Merge remote-tracking branch 'origin/main' into fix/430-stale-scope

# Conflicts: # web/js/workspace/images.mjs
2026-10-28 15:38:26 -07:00 · 2026-10-28 14:33:14 -07:00 · 2026-10-28 14:02:26 -07:00
420 changed files with 3509 additions and 38872 deletions
@@ -1,9 +1,9 @@
-name: Windows
+name: Windows and macOS

 permissions:
  contents: read

-# Non-blocking Windows runs (#420; macOS dropped from CI in #571): never on pull requests or in the merge queue, and no context
+# Non-blocking portability runs (#420): never on pull requests or in the merge queue, and no context
 # here is a required check. A red run is fixed at its cause before the workspace cutover (#334).
 on:
  push:
@@ -21,23 +21,19 @@ env:
  PYTHONFAULTHANDLER: "1"

 # Time limit rule as in test.yml: ceil(1.5 x the slowest of three recent green runs on main) + 3
-# minutes, never under 5, timed as whole-job wall time. One matrix job, so the slowest leg of each
-# run counts (tests/vendor/ci-workflow.test.mjs recomputes it, #493).
-# Measured 2026-10-29 on main runs 40935337099 (dd247e3), 40938407252 (dd247e3), 40941240624 (dd247e3):
-#   slowest leg: 7m24s (py3.12 windows) / 7m31s (py3.13 windows) / 7m32s (py3.14 windows) -> 15 min
-#     (windows 4m56s-7m32s)
-#   native-trash-linux (#543) has no green main runs yet: it installs the dev requirements and runs
-#     one test module, about 1 minute by the same estimate, so ceil(1.5 x 2) + 3 gives it 6 minutes.
-#     Recalibrate after three green runs.
+# minutes, never under 5. Measured 2026-10-26 in test.yml on runs 40257217681 (3be0ada),
+# 40240706568 (fb9134f), 40228167328 (f9835aa), before these legs moved here in #420:
+#   slowest py3.10 on windows-latest: 12m43s / 15m54s / 14m53s -> 27 min
+#     (macos 6m14s-8m30s, windows 11m42s-15m54s)
 jobs:
  test:
    name: py${{ matrix.python-version }} on ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
-    timeout-minutes: 15
+    timeout-minutes: 27
    strategy:
      fail-fast: false
      matrix:
-        os: [windows-latest]
+        os: [windows-latest, macos-latest]
        python-version: ["3.12", "3.13", "3.14"]

    steps:
@@ -55,63 +51,5 @@ jobs:
          python -m pip install --upgrade pip
          pip install -r requirements-dev.txt

-      # The runner's TEMP is on C:, the OS disk, where a flush took about 6 ms
-      # and a test database's create-to-delete about 111 ms; on the D: work
-      # disk the same took 0.5 ms and 23 ms. Tests write their
-      # databases under TEMP, so it moves to a folder on D: (measured in #487,
-      # run 40915866444). The runner's TEMP was an 8.3 short name
-      # (C:\Users\RUNNER~1\...), so the new one is spelled by its short name too
-      # and paths still have to be resolved. D: makes no short names by default
-      # (run 40922502209), so they are switched on for it first.
-      - name: Keep test files on the work disk (Windows)
-        if: runner.os == 'Windows'
-        shell: pwsh
-        run: |
-          fsutil 8dot3name set D: 0
-          $folder = New-Item -ItemType Directory -Force -Path (Join-Path $env:RUNNER_TEMP "PromptManagerTests")
-          $short = (New-Object -ComObject Scripting.FileSystemObject).GetFolder($folder.FullName).ShortPath
-          Write-Output "test TEMP: $short (long name $($folder.FullName))"
-          if ($short -eq $folder.FullName) { Write-Output "::warning::D: gave the test TEMP no 8.3 short name" }
-          "TEMP=$short" >> $env:GITHUB_ENV
-          "TMP=$short" >> $env:GITHUB_ENV
-
      - name: Run tests
-        env:
-          PM_TEST_SLOWEST: "40"
        run: python -m tests.run_suite -v
-
-  # The same tests as the fake mount table, on a real ext4 mount used as the output root (#543). A
-  # runner can mount with sudo; the tests run as the normal user, so owner and mode checks are real.
-  native-trash-linux:
-    name: native trash on a real mount
-    runs-on: ubuntu-latest
-    timeout-minutes: 6
-
-    steps:
-      - uses: actions/checkout@v7
-
-      - name: Set up Python
-        uses: actions/setup-python@v7
-        with:
-          python-version: "3.12"
-          cache: pip
-          cache-dependency-path: requirements-dev.txt
-
-      - name: Install dependencies
-        run: |
-          python -m pip install --upgrade pip
-          pip install -r requirements-dev.txt
-
-      - name: Mount an ext4 image
-        run: |
-          truncate -s 64M "$RUNNER_TEMP/drive.img"
-          mkfs.ext4 -q "$RUNNER_TEMP/drive.img"
-          mkdir "$RUNNER_TEMP/drive"
-          sudo mount -o loop "$RUNNER_TEMP/drive.img" "$RUNNER_TEMP/drive"
-          sudo rmdir "$RUNNER_TEMP/drive/lost+found"
-          sudo chown "$(id -u):$(id -g)" "$RUNNER_TEMP/drive"
-          findmnt "$RUNNER_TEMP/drive"
-
-      - name: Native trash proof
-        timeout-minutes: 4
-        run: PM_TRASH_MOUNT="$RUNNER_TEMP/drive" python -m unittest tests.test_trash_mount_root -v
@@ -28,8 +28,8 @@ env:
 #   py matrix, slowest py3.10 on windows-latest: 12m43s / 15m54s / 14m53s -> 27 min
 #     (ubuntu 5m27s-6m27s, macos 6m14s-8m30s, windows 11m42s-15m54s)
 #     3.10 and 3.11 left the matrix and 3.14 joined it in #356; re-measure after three green main runs.
-#     Windows moved to portability.yml (#420; macOS left CI in #571), which has its own measured limit (#493);
-#     this Linux-only matrix keeps 27 minutes until it is re-measured.
+#     Windows and macOS moved to portability.yml (#420), which keeps this 27-minute limit; this
+#     Linux-only matrix keeps it too until it is re-measured.
 #   real ComfyUI compatibility: 13m32s / 8m55s / 11m46s -> 24 min
 #   coverage gate (85%): 7m26s / 7m22s / 7m54s -> 15 min
 #   perf budget 30s / 29s / 27s, black and flake8 39s / 37s / 39s,
@@ -39,7 +39,7 @@ env:
 # Pull requests run a fast subset (#420): Python 3.12 on ubuntu-latest, coverage, lint and frontend
 # modules. The merge queue (merge_group), pushes to main and manual runs add Python 3.13 and 3.14 on
 # Linux and the real ComfyUI job. "all tests" is the required gate that holds the queue to that set.
-# Windows runs in portability.yml (push to main, nightly, on demand) and never gate a merge.
+# Windows and macOS run in portability.yml (push to main, nightly, on demand) and never gate a merge.
 jobs:
  test:
    name: py${{ matrix.python-version }} on ${{ matrix.os }}
@@ -36,18 +36,9 @@ concurrency:
 # 12m53s, node units and the viewer suite before 11.8m of workflows), so coverage is the tight one
 # in its 18 minutes. This holds only when the npm cache hits: a cold cache adds up to 5m to npm ci,
 # and then the job limit can still end the job before the step limit does.
-# #473: firefox/webkit shard 1/2 reached its 18-minute step limit (queue run 40866252975: webkit 622 tests
-# passed in 17m56s, 48.5 worker-minutes vs 28.0 in shard 2/2; recent shard 1/2 jobs 13.7m-18.9m, shard 2/2
-# 7.3m-12.2m), because --shard splits by test count and the slow concept specs sort into shard 1. The page
-# workflows now run in three shards per browser with the limits unchanged; the per-shard times are
-# re-measured after three green main runs.
-# #563: coverage shards reached their 18-minute step limit three times on 2026-10-31 with no failing
-# test (PR #560 shard 2/3: 814 passed in 17.9m; queue run 41206495451 shard 1/3: 827 passed; PR #564
-# shard 2/3 twice), against recent green shards of 11m-17m. Coverage now runs in four shards with the
-# limits unchanged; the per-shard times are re-measured after three green main runs.
 jobs:
  frontend-coverage:
-    name: frontend coverage (shard ${{ matrix.shard }}/4)
+    name: frontend coverage (shard ${{ matrix.shard }}/3)
    runs-on: ubuntu-latest
    # Layout comparisons depend on the fonts each browser falls back to, so browser jobs run in the
    # same pinned Playwright image as local runs (tag = @playwright/test in tools/vendor/package-lock.json;
@@ -63,7 +54,7 @@ jobs:
    strategy:
      fail-fast: false
      matrix:
-        shard: [1, 2, 3, 4]
+        shard: [1, 2, 3]
    steps:
      - uses: actions/checkout@v7
      # The image's own Python 3.12 and Node 24: setup-python/setup-node install the runner's toolcache
@@ -92,13 +83,13 @@ jobs:
      - run: npm ci --prefix tools/vendor --ignore-scripts
      # Shard 1 also runs the node units and the viewer suite, so the vendor pins and the tooling tests
      # run on the lightest shard instead.
-      - if: matrix.shard == 4
+      - if: matrix.shard == 3
        run: npm run --prefix tools/vendor check
-      - if: matrix.shard == 4
+      - if: matrix.shard == 3
        run: npm run --prefix tools/vendor test
-      - name: Page workflows with coverage, shard ${{ matrix.shard }}/4
+      - name: Page workflows with coverage, shard ${{ matrix.shard }}/3
        timeout-minutes: 18
-        run: npm run --prefix tools/vendor test:coverage:shard -- ${{ matrix.shard }}/4
+        run: npm run --prefix tools/vendor test:coverage:shard -- ${{ matrix.shard }}/3
      - name: Upload raw coverage
        uses: actions/upload-artifact@v7
        with:
@@ -140,13 +131,13 @@ jobs:
        with:
          pattern: coverage-raw-*
          path: ${{ runner.temp }}/coverage-raw
-      # coverage:merge only checks that raw files exist; merging three of four shards would report
+      # coverage:merge only checks that raw files exist; merging two of three shards would report
      # partial coverage, so a missing or empty shard artifact fails here.
      - name: Verify every shard's raw coverage arrived
        shell: bash
        env:
          STAGED_RAW: ${{ runner.temp }}/coverage-raw
-          EXPECTED_SHARDS: 4
+          EXPECTED_SHARDS: 3
        run: |
          found=0
          for shard in $(seq 1 "$EXPECTED_SHARDS"); do
@@ -184,7 +175,7 @@ jobs:
          retention-days: 14

  browser-workflows:
-    name: page workflows (${{ matrix.browser }}, shard ${{ matrix.shard }}/3)
+    name: page workflows (${{ matrix.browser }}, shard ${{ matrix.shard }}/2)
    # Merge queue, main and manual runs only (#420); pull requests run the Chromium/touch coverage shards.
    if: github.event_name != 'pull_request'
    runs-on: ubuntu-latest
@@ -203,7 +194,7 @@ jobs:
      fail-fast: false
      matrix:
        browser: [firefox, webkit]
-        shard: [1, 2, 3]
+        shard: [1, 2]
    steps:
      - uses: actions/checkout@v7
      # The image's own Python 3.12 and Node 24: setup-python/setup-node install the runner's toolcache
@@ -230,9 +221,9 @@ jobs:
          path: ~/.npm
          key: npm-${{ runner.os }}-playwright-v1.64.1-${{ hashFiles('tools/vendor/package-lock.json') }}
      - run: npm ci --prefix tools/vendor --ignore-scripts
-      - name: Page workflows in ${{ matrix.browser }}, shard ${{ matrix.shard }}/3
+      - name: Page workflows in ${{ matrix.browser }}, shard ${{ matrix.shard }}/2
        timeout-minutes: 18
-        run: npm run --prefix tools/vendor test:workflows -- --project ${{ matrix.browser }} --shard ${{ matrix.shard }}/3
+        run: npm run --prefix tools/vendor test:workflows -- --project ${{ matrix.browser }} --shard ${{ matrix.shard }}/2
      # Traces and the blob report (test-results/blob/) of a failed, timed-out or cancelled step.
      - name: Upload browser traces
        if: always()
@@ -92,20 +92,10 @@ try:
    routes = config.routes
    api = PromptManagerAPI()
    api.add_routes(routes)
-
-    # The thumbnail location's startup check (#320), then the temp files of
-    # preview writes a crash interrupted (#317), off the import path: the
-    # walk may cover a large thumbnails folder.
-    # #320: the configured thumbnail location is in force before any request
-    # (no I/O); the thread below checks it.
-    api.use_preview_location()
-
-    def _preview_startup():
-        api.start_preview_location()
-        api.sweep_thumbnail_temps()
-
+    # Temp files of preview writes a crash interrupted (#317), off the
+    # import path: the walk may cover a large thumbnails folder.
    threading.Thread(
-        target=_preview_startup,
+        target=api.sweep_thumbnail_temps,
        name="PromptManagerPreviewTempSweep",
        daemon=True,
    ).start()
@@ -130,7 +120,6 @@ except Exception as e:
        logger = get_logger("prompt_manager.init")
        logger.error(f"Failed to register API routes: {e}")
    except Exception:
-        # logging failed too; a report must never stop the node loading
        pass

 # Shared database, set up with the monitoring system below. Stays None when that
@@ -290,11 +279,11 @@ def _teardown_logger():


 def _stop_background_work():
-    """Stop the image monitor, the preview worker, the job worker threads
-    and the prompt cleanup thread against one TEARDOWN_SECONDS deadline, once.
+    """Stop the image monitor, the preview worker and the prompt cleanup
+    thread against one TEARDOWN_SECONDS deadline, once.

-    Returns ``{"monitor", "thumbnails", "workers", "tracker"}`` booleans
-    (True: it stopped), leaving out parts that never started. Later calls return a
+    Returns ``{"monitor", "thumbnails", "tracker"}`` booleans (True: it
+    stopped), leaving out parts that never started. Later calls return a
    copy of the first result. A Ctrl+C inside a step is logged and the
    step is False; one between steps is re-raised after the result (parts
    not reached are False) is stored and the ``atexit`` entry removed.
@@ -308,14 +297,11 @@ def _stop_background_work():
            api,
            _global_prompt_tracker,
        )
-        from .utils import parallel
-
        # A part whose global is set has started; False until its step says
        # otherwise, so an interrupt between steps leaves an honest result.
        started = (
            ("monitor", monitor),
            ("thumbnails", thumbnails),
-            ("workers", parallel.job_pool_started() or None),
            ("tracker", tracker),
        )
        result = {name: False for name, part in started if part is not None}
@@ -358,16 +344,6 @@ def _stop_background_work():
                result["thumbnails"] = _teardown_step(
                    "the preview worker", close_previews, logger
                )
-            if "workers" in result:
-
-                def stop_workers():
-                    from .utils.parallel import JOB_POOL_JOIN_SECONDS
-
-                    return parallel.shutdown_job_pool(left(JOB_POOL_JOIN_SECONDS))
-
-                result["workers"] = _teardown_step(
-                    "the job worker threads", stop_workers, logger
-                )
            if tracker is not None:

                def stop_tracker():
@@ -435,7 +411,6 @@ except Exception as e:
            f"Failed to register the exit signal: {e}"
        )
    except Exception:
-        # logging failed too; a report must never stop the node loading
        pass

 try:
@@ -453,14 +428,16 @@ except Exception as e:
            f"Failed to register the background work teardown: {e}"
        )
    except Exception:
-        # logging failed too; a report must never stop the node loading
        pass

 __all__ = ["NODE_CLASS_MAPPINGS", "NODE_DISPLAY_NAME_MAPPINGS", "WEB_DIRECTORY"]

-# One startup line. ASCII only: a Windows console using a legacy code page
-# cannot print emoji, and a UnicodeEncodeError here would abort loading the node.
-print(
-    f"\033[94m[ComfyUI-PromptManager] Version:\033[0m {get_version()}"
-    f" - {len(NODE_CLASS_MAPPINGS)} tools loaded"
-)
+# Print startup message with loaded tools
+print()
+print(f"\033[94m[ComfyUI-PromptManager] Version:\033[0m {get_version()}")
+for node_key, display_name in NODE_DISPLAY_NAME_MAPPINGS.items():
+    # ASCII only: a Windows console using a legacy code page cannot print emoji,
+    # and a UnicodeEncodeError here would abort loading the whole node.
+    print(f"  \033[94mLoaded:\033[0m {display_name}")
+print(f"\033[94mTotal: {len(NODE_CLASS_MAPPINGS)} tools loaded\033[0m")
+print()
@@ -40,7 +40,6 @@ from .annotation_schema import (
    METADATA_TABLE,
 )
 from .autotag_schema import AUTOTAG_TABLE
-from .image_removal_schema import clear_marks
 from .library_commands import _UUID, LibraryCommandError, _validate_epoch
 from .models import utc_now_iso
 from .vocabulary import validate_vocabulary_tag_name
@@ -237,9 +236,6 @@ class AnnotationOperations:

    @staticmethod
    def _annotation_owner(conn: sqlite3.Connection, locator: str, now: str) -> str:
-        # A file with image tags or Needs review state is in the library: a
-        # removal mark never hides it (#480).
-        clear_marks(conn, [locator])
        row = conn.execute(_OWNER, (locator,)).fetchone()
        if row is not None:
            return row[0]
@@ -7,11 +7,6 @@ from typing import Callable, ContextManager, Iterator

 try:
    from ..utils.execution_history_events import RunFinish, encode_command
-    from ..utils.hashing import (
-        generate_prompt_hash,
-        stored_prompt_text,
-        stored_prompt_text_sql,
-    )
    from ..utils.execution_contexts import (
        CAPTURE_REASONS,
        ContextBundle,
@@ -20,11 +15,6 @@ try:
    )
 except ImportError:
    from utils.execution_history_events import RunFinish, encode_command
-    from utils.hashing import (
-        generate_prompt_hash,
-        stored_prompt_text,
-        stored_prompt_text_sql,
-    )
    from utils.execution_contexts import (
        CAPTURE_REASONS,
        ContextBundle,
@@ -144,8 +134,7 @@ def _insert_exact(

 def _role_hints(role: str) -> str:
    return (
-        f"SELECT r.{role}_prompt_id, tx.text_value, "
-        f"{stored_prompt_text_sql('tx.text_value')} "
+        f"SELECT r.{role}_prompt_id, tx.text_value "
        "FROM execution_run_contexts r "
        "JOIN execution_contexts c ON c.context_id = r.context_id "
        f"JOIN execution_prompt_snapshots s ON s.snapshot_id = c.{role}_snapshot_id "
@@ -157,78 +146,57 @@ def _role_hints(role: str) -> str:

 # Set form of the read-time prompt-hint rule in get_execution_contexts():
 # a stored role hint is live only in the current storage epoch, and only when
-# the hinted prompt is the one match of _prompt_hint: by text (the raw
-# snapshot text or its stored form, outer whitespace stripped, #438), or, only
-# when no prompt has either text, by dedup hash (case folded too, #460).
-# The hash is a fallback, so a hint #438 kept is never made ambiguous.
-# Needs register_prompt_functions (pm_prompt_hash). The hint rows are the
-# outer loop (CROSS JOIN), so each prompts lookup is by index.
+# its exact raw snapshot text matches exactly one prompt, which is the hinted
+# one (_prompt_hint). Evaluated once per statement, never per prompt row.
 # Defines the CTE ``live_hint_prompts(prompt_id)``; prefix it with WITH.
 LIVE_HINT_CTES = (
-    "stored_hints(prompt_id, raw, stored) AS ("
+    "stored_hints(prompt_id, raw) AS ("
    + _role_hints("positive")
    + " UNION "
    + _role_hints("negative")
-    + "), hint_matches(prompt_id, raw, stored, match_id) AS ("
-    "SELECT h.prompt_id, h.raw, h.stored, p.id FROM stored_hints h "
-    "CROSS JOIN prompts p ON p.text COLLATE BINARY IN (h.raw, h.stored) "
-    "UNION ALL "
-    "SELECT h.prompt_id, h.raw, h.stored, p.id FROM stored_hints h "
-    "CROSS JOIN prompts p ON p.hash = pm_prompt_hash(h.raw) "
-    "WHERE NOT EXISTS (SELECT 1 FROM prompts q "
-    "WHERE q.text COLLATE BINARY IN (h.raw, h.stored))"
+    + "), unique_hint_texts(prompt_id, raw) AS ("
+    "SELECT MIN(id), text COLLATE BINARY FROM prompts "
+    "WHERE text COLLATE BINARY IN (SELECT raw FROM stored_hints) "
+    "GROUP BY text COLLATE BINARY HAVING COUNT(*) = 1"
    "), live_hint_prompts(prompt_id) AS ("
-    "SELECT prompt_id FROM hint_matches GROUP BY prompt_id, raw, stored "
-    "HAVING COUNT(*) = 1 AND MIN(match_id) = prompt_id)"
+    "SELECT h.prompt_id FROM stored_hints h JOIN unique_hint_texts u "
+    "ON u.prompt_id = h.prompt_id AND u.raw = h.raw COLLATE BINARY)"
 )
 LIVE_HINT_PROMPT_IDS_SQL = (
    "WITH " + LIVE_HINT_CTES + " SELECT DISTINCT prompt_id FROM live_hint_prompts"
 )

-_BY_TEXT = "SELECT id FROM prompts WHERE text COLLATE BINARY IN (?,?) LIMIT 2"
-
-
-def _text_matches(conn: sqlite3.Connection, raw: str) -> list:
-    return [row[0] for row in conn.execute(_BY_TEXT, (raw, stored_prompt_text(raw)))]
-

 def _prompt_hint(conn: sqlite3.Connection, raw: str | None) -> int | None:
-    """The one prompt that stores ``raw`` (#438), else the one it counts toward.
-
-    By text first: ``raw`` or ``raw.strip()`` (the exact form keeps hints of
-    older rows that kept outer whitespace). Only when no prompt has either
-    text, by the dedup hash, which also folds case (#460).
-    """
    if raw is None:
        return None
-    matches = _text_matches(conn, raw)
-    if not matches:
-        matches = [
-            row[0]
-            for row in conn.execute(
-                "SELECT id FROM prompts WHERE hash=? LIMIT 2",
-                (generate_prompt_hash(raw),),
-            )
-        ]
-    return matches[0] if len(matches) == 1 else None
+    rows = conn.execute(
+        "SELECT id FROM prompts WHERE text=? COLLATE BINARY LIMIT 2", (raw,)
+    ).fetchall()
+    return rows[0][0] if len(rows) == 1 else None


 def _hints(
    conn: sqlite3.Connection, positive: str | None, negative: str | None
 ) -> tuple:
    pos_id, neg_id = _prompt_hint(conn, positive), _prompt_hint(conn, negative)
-    stored = None if negative is None else stored_prompt_text(negative)
    pair_id = None
-    # A known negative that names no prompt because several share its text
    negative_ambiguous = (
-        stored is not None and neg_id is None and bool(_text_matches(conn, negative))
+        negative is not None
+        and neg_id is None
+        and conn.execute(
+            "SELECT 1 FROM prompts WHERE text=? COLLATE BINARY LIMIT 1", (negative,)
+        ).fetchone()
+        is not None
    )
-    if pos_id is not None and stored is not None and not negative_ambiguous:
+    if pos_id is not None and negative is not None and not negative_ambiguous:
        rows = conn.execute(
-            "SELECT pp.id FROM prompt_pairs pp "
+            "SELECT pp.id FROM prompt_pairs pp LEFT JOIN prompts n ON "
+            "n.id=pp.negative_prompt_id "
            "WHERE pp.positive_prompt_id=? AND ((pp.negative_prompt_id IS NULL AND "
-            "?='') OR pp.negative_prompt_id=?) LIMIT 2",
-            (pos_id, stored, neg_id),
+            "?='') "
+            "OR (pp.negative_prompt_id=? AND n.text=? COLLATE BINARY)) LIMIT 2",
+            (pos_id, negative, neg_id, negative),
        ).fetchall()
        if len(rows) == 1:
            pair_id = rows[0][0]
@@ -23,10 +23,10 @@ from pathlib import PurePosixPath, PureWindowsPath
 from urllib.parse import quote

 try:
-    from ..utils.hashing import register_prompt_functions
+    from ..utils.hashing import generate_prompt_hash
    from .models import normalize_image_path
 except ImportError:
-    from utils.hashing import register_prompt_functions
+    from utils.hashing import generate_prompt_hash
    from database.models import normalize_image_path

 logger = logging.getLogger("prompt_manager.database.health")
@@ -125,8 +125,12 @@ def _foreign_keys(conn, _roots):
    )


+def _prompt_hash(text):
+    return generate_prompt_hash(text) if isinstance(text, str) else None
+
+
 def _canonical_hashes(conn, _roots):
-    register_prompt_functions(conn)  # pm_prompt_hash, shared with history (#460)
+    conn.create_function("pm_prompt_hash", 1, _prompt_hash, deterministic=True)
    return _counted(
        f"Prompt {row[0]}: the stored hash does not match its text"
        for row in conn.execute(
@@ -15,11 +15,6 @@ from .execution_history import HistoryEpochChanged
 from .execution_outputs import _capture, _REFERENCE_COLUMNS
 from .library import _ELIGIBLE

-try:
-    from ..utils.hashing import prompt_key, stored_prompt_text
-except ImportError:
-    from utils.hashing import prompt_key, stored_prompt_text
-
 RunKey = tuple[int, str, int, str]


@@ -105,43 +100,14 @@ _ORDER = (
 )
 # Stale-hint rows a newest-pair lookup inspects before it reports none.
 _PAIR_RUN_CANDIDATES = 16
-# The recorded texts of one scope, as a JSON array parameter (_scope_text_ids).
-_IN_SCOPE = "IN (SELECT value FROM json_each(?))"
 _MATCHING = (
    "SELECT DISTINCT rc.run_id FROM execution_prompt_snapshots s "
    "JOIN execution_contexts c ON c.positive_snapshot_id=s.snapshot_id "
    "JOIN execution_run_contexts rc ON rc.context_id=c.context_id "
-    f"WHERE s.raw_text_id {_IN_SCOPE}"
+    "WHERE s.raw_text_id=?"
 )


-def _scope_text_ids(conn: sqlite3.Connection, key: str) -> str:
-    """Every recorded raw text whose prompt key is ``key``, as a JSON array.
-
-    A run keeps its exact raw text, while the Library saves and counts it as
-    the prompt with its key (outer whitespace #438, case #460). The values are
-    compared, never only their digests; ``pm_prompt_key`` is Python's key.
-    """
-    return json.dumps(
-        [
-            row[0]
-            for row in conn.execute(
-                # Only snapshot raw texts: effective and affix texts are skipped
-                "SELECT t.text_id FROM (SELECT DISTINCT raw_text_id AS text_id "
-                "FROM execution_prompt_snapshots) s CROSS JOIN "
-                "execution_context_texts t WHERE t.text_id=s.text_id AND "
-                "pm_prompt_key(t.text_value)=? COLLATE BINARY",
-                (key,),
-            )
-        ]
-    )
-
-
-def _scope_text_id(raw: str | None) -> str | None:
-    """The scope digest of a raw text: that of its prompt key."""
-    return None if raw is None else content_digest("text", (prompt_key(raw),))
-
-
 def _limit(limit: int) -> None:
    if type(limit) is not int or not 1 <= limit <= 100:
        raise ValueError("History limit must be an integer from 1 to 100")
@@ -289,15 +255,8 @@ class HistoryReadOperations:
        if saved is None:
            return None
        text = saved["text"]
-        raw_id = _scope_text_id(text)
-        # A position from before #460 names the scope by the stripped text
-        # alone; it is the same scope, so a page open across the upgrade resumes.
-        legacy_id = (
-            None
-            if text is None
-            else content_digest("text", (stored_prompt_text(text),))
-        )
-        if after is not None and after.raw_text_id not in (raw_id, legacy_id):
+        raw_id = None if text is None else content_digest("text", (text,))
+        if after is not None and after.raw_text_id != raw_id:
            raise ValueError("History position text scope changed")
        group = {
            "positive_id": positive_id,
@@ -314,11 +273,18 @@ class HistoryReadOperations:
            next_position=None,
            resume_position=None,
        )
-        if raw_id is None:
+        if (
+            raw_id is None
+            or conn.execute(
+                "SELECT 1 FROM execution_context_texts WHERE text_id=? "
+                "AND text_value=? COLLATE BINARY",
+                (raw_id, text),
+            ).fetchone()
+            is None
+        ):
            return result
-        scope = _scope_text_ids(conn, prompt_key(text))
        where = f"r.run_id IN ({_MATCHING})"
-        params = [scope]
+        params = [raw_id]
        if after is not None:
            where += f" AND {_KEY}<=(?,?,?,?)"
            params.extend(after.upper)
@@ -372,9 +338,9 @@ class HistoryReadOperations:
            "LEFT JOIN execution_prompt_snapshots n "
            "ON n.snapshot_id=c.negative_snapshot_id "
            "LEFT JOIN execution_context_texts t ON t.text_id=n.raw_text_id "
-            f"WHERE rc.run_id IN ({placeholders}) AND p.raw_text_id {_IN_SCOPE} "
+            f"WHERE rc.run_id IN ({placeholders}) AND p.raw_text_id=? "
            "ORDER BY rc.anchor_id COLLATE BINARY,rc.run_id COLLATE BINARY",
-            (*by_run, scope),
+            (*by_run, raw_id),
        )
        summaries = {}
        evidence_by_context = {}
@@ -472,7 +438,6 @@ class HistoryReadOperations:
        if saved["text"] is None:
            return {"run": None}
        epoch = self.get_execution_epoch()
-        key = prompt_key(saved["text"])
        candidates = conn.execute(
            "SELECT r.run_id,rc.anchor_id,rc.context_id,"
            "c.positive_snapshot_id,c.negative_snapshot_id "
@@ -480,11 +445,10 @@ class HistoryReadOperations:
            "ON rc.run_id=r.run_id JOIN execution_contexts c "
            "ON c.context_id=rc.context_id JOIN execution_prompt_snapshots s "
            "ON s.snapshot_id=c.positive_snapshot_id "
-            f"WHERE s.raw_text_id {_IN_SCOPE} AND rc.pair_id=? "
-            "AND rc.reference_epoch=? "
+            "WHERE s.raw_text_id=? AND rc.pair_id=? AND rc.reference_epoch=? "
            f"ORDER BY {_ORDER},rc.anchor_id COLLATE BINARY LIMIT ?",
            (
-                _scope_text_ids(conn, key),
+                content_digest("text", (saved["text"],)),
                pair_id,
                epoch,
                _PAIR_RUN_CANDIDATES,
@@ -493,11 +457,7 @@ class HistoryReadOperations:
        for row in candidates:
            positive = _values(conn, row["positive_snapshot_id"])
            negative = _values(conn, row["negative_snapshot_id"])
-            if (
-                positive is None
-                or positive["raw"] is None
-                or prompt_key(positive["raw"]) != key
-            ):
+            if positive is None or positive["raw"] != saved["text"]:
                continue
            hints = _hints(conn, positive["raw"], negative["raw"] if negative else None)
            if hints[2] == pair_id:
@@ -517,9 +477,11 @@ class HistoryReadOperations:
        snapshots = {
            row["anchor_id"]: row
            for row in conn.execute(
-                "SELECT rc.anchor_id,c.positive_snapshot_id,c.negative_snapshot_id "
+                "SELECT rc.anchor_id,c.positive_snapshot_id,c.negative_snapshot_id,"
+                "p.raw_text_id AS positive_raw_text_id "
                "FROM execution_run_contexts rc JOIN execution_contexts c "
-                "ON c.context_id=rc.context_id WHERE rc.run_id=?",
+                "ON c.context_id=rc.context_id LEFT JOIN execution_prompt_snapshots p "
+                "ON p.snapshot_id=c.positive_snapshot_id WHERE rc.run_id=?",
                (run_id,),
            )
        }
@@ -529,12 +491,12 @@ class HistoryReadOperations:
            context.update(
                {
                    key: row[key]
-                    for key in ("positive_snapshot_id", "negative_snapshot_id")
-                },
-                # The history scope this context belongs to (#438)
-                positive_raw_text_id=_scope_text_id(
-                    (context["positive"] or {}).get("raw")
-                ),
+                    for key in (
+                        "positive_snapshot_id",
+                        "negative_snapshot_id",
+                        "positive_raw_text_id",
+                    )
+                }
            )
            pair = context["pair_id"]
            context["navigation"] = {
@@ -221,7 +221,6 @@ class ImageCategoryOperations:
        sources. Returns ``{updated, unchanged}``; a file that already had
        exactly this value is ``unchanged`` and keeps its ``updated_at``.
        """
-        from .image_removal_schema import clear_marks_of_keys
        from .models import utc_now_iso  # models imports this module's schema

        keys = list(dict.fromkeys(tuple(key) for key in file_keys))
@@ -235,7 +234,6 @@ class ImageCategoryOperations:
                    continue
                conn.execute(UPSERT_SQL, (*key, category, now))
                counts["updated"] += 1
-            clear_marks_of_keys(conn, keys)  # #480: a categorized file is listed
        return counts

    def clear_image_categories(self, file_keys) -> int:
@@ -402,7 +402,6 @@ class ImageCollectionOperations:
        is created only when at least one item is inserted. Returns
        ``{collection, created, added, already}``.
        """
-        from .image_removal_schema import clear_marks_of_keys
        from .models import utc_now_iso  # models imports this module's schema

        if (collection_id is None) == (name is None):
@@ -439,7 +438,6 @@ class ImageCollectionOperations:
                ).rowcount
                for root, path in pairs
            )
-            clear_marks_of_keys(conn, pairs)  # #480: a collected file is listed
        return {
            "collection": collection,
            "created": created,
@@ -104,14 +104,11 @@ class ImageFavoriteOperations:
        """Mark one file as a favorite; repeating it is a no-op. Returns True."""
        from .models import utc_now_iso  # models imports this module's schema

-        from .image_removal_schema import clear_marks_of_keys
-
        with self.model.get_connection() as conn:
            conn.execute(
                "INSERT OR IGNORE INTO image_favorites VALUES (?, ?, ?)",
                (root_key, relative_path, utc_now_iso()),
            )
-            clear_marks_of_keys(conn, [(root_key, relative_path)])  # #480
        return True

    def clear_image_favorite(self, root_key: str, relative_path: str) -> bool:
@@ -1,348 +0,0 @@
-"""Remove a file's records from the library, and its removal mark (#480).
-
-A *removal* describes one physical file the way the API resolved it from the
-walked listing (``py/api/image_delete.py``):
-
- ``spellings``: every path string records may name it by
-  (``duplicate_spellings.Spellings.of``);
- ``locator``: its private canonical locator;
- ``favorites``: ``(root key, relative key)`` under every listed root holding
-  it, the keys of its favorite and its collection memberships;
- ``category``: its own category's file key, or None.
-
-``remove_image_records`` deletes, in one ``BEGIN IMMEDIATE`` transaction:
-
- its image records (``generated_images``) under every spelling, plus legacy
-  rows matched by ``image_path``; their saved-pair links go by cascade and the
-  workflow documents they held are released;
- the image tags and auto-tag marks of its byte records. The annotation file
-  and byte rows go too, unless a Needs review item still cites them
-  (``media_review_items.byte_id`` is ``ON DELETE RESTRICT``): a decided or
-  revised item keeps its decision;
- its pending, undecided Needs review items (settled as duplicate removal
-  settles them);
- its own category, favorite and collection memberships.
-
-With ``mark`` it also writes the file's removal mark (library-only removal):
-the file stays on disk, hidden until its bytes change. Prompts, recorded runs
-and the media file itself are never touched here.
-"""
-
-import os
-
-from .annotation_schema import BYTES_TABLE, FILES_TABLE
-from .annotations import _BUMP_INDEX
-from .autotag_schema import AUTOTAG_TABLE
-from .duplicate_copies import (
-    DELETE_FAVORITE_SQL,
-    DELETE_LINK_SQL,
-    DELETE_MEMBERSHIPS_SQL,
-    _file_link_rows,
-)
-from .image_categories import DELETE_SQL as DELETE_CATEGORY_SQL
-from .image_removal_schema import (
-    META_TABLE,
-    TABLE,
-    bump_generation,
-    clear_marks,
-    has_marks_table,
-    mark_of,
-    write_mark as _write_mark,
-)
-from .library import display_title
-from .models import utc_now_iso
-from .review import _BUMP_REVIEW_INDEX, _PENDING_OF_LOCATOR, _SETTLE_ITEM
-from .review_changes import notify_review_change
-from .workflow_documents import documents_of_rows, release_documents
-
-BYTES_OF_LOCATOR_SQL = (
-    f"SELECT b.id FROM {FILES_TABLE} f JOIN {BYTES_TABLE} b "  # nosec B608
-    "ON b.file_id=f.id WHERE f.locator=?"
-)
-TAG_COUNT_SQL = "SELECT COUNT(*) FROM media_image_tags WHERE byte_id=?"
-AUTOTAG_COUNT_SQL = (
-    f"SELECT COUNT(*) FROM {AUTOTAG_TABLE} WHERE byte_id=?"  # nosec B608
-)
-CLEAR_TAGS_SQL = "DELETE FROM media_image_tags WHERE byte_id=?"
-CLEAR_AUTOTAG_SQL = f"DELETE FROM {AUTOTAG_TABLE} WHERE byte_id=?"  # nosec B608
-BUMP_TAG_REVISION_SQL = (
-    f"UPDATE {BYTES_TABLE} SET tag_revision=tag_revision+1 WHERE id=?"  # nosec B608
-)
-REVIEW_REFS_SQL = (
-    f"SELECT COUNT(*) FROM {FILES_TABLE} f "  # nosec B608
-    f"JOIN {BYTES_TABLE} b ON b.file_id=f.id "
-    "JOIN media_review_items i ON i.byte_id=b.id WHERE f.locator=?"
-)
-DELETE_FILE_SQL = f"DELETE FROM {FILES_TABLE} WHERE locator=?"  # nosec B608
-FILE_EXISTS_SQL = f"SELECT 1 FROM {FILES_TABLE} WHERE locator=?"  # nosec B608
-FAVORITE_EXISTS_SQL = (
-    "SELECT COUNT(*) FROM image_favorites WHERE root_key=? AND relative_path=?"
-)
-MEMBERSHIP_COUNT_SQL = (
-    "SELECT COUNT(*) FROM image_collection_items WHERE root_key=? AND relative_path=?"
-)
-CATEGORY_EXISTS_SQL = (
-    "SELECT COUNT(*) FROM image_categories WHERE root_key=? AND relative_path=?"
-)
-PAIR_LINK_COUNT_SQL = "SELECT COUNT(*) FROM image_prompt_pairs WHERE image_id=?"
-PROMPT_LINKS_SQL = "SELECT id FROM generated_images WHERE prompt_id=?"
-PROMPT_TITLE_SQL = (
-    "SELECT p.text, s.title FROM prompts p "
-    "LEFT JOIN prompt_library_state s ON s.prompt_id=p.id WHERE p.id=?"
-)
-MARKS_SQL = f"SELECT locator, size, mtime_ns FROM {TABLE}"  # nosec B608
-REVISION_SQL = f"SELECT revision FROM {META_TABLE} WHERE singleton_id=1"  # nosec B608
-MAX_ORPHAN_TITLES = 3
-RECORD_KINDS = (
-    "prompt_links",
-    "pair_links",
-    "image_tags",
-    "auto_tagged",
-    "categories",
-    "collections",
-    "favorites",
-    "review_items",
-)
-
-
-def _link_ids(conn, removal):
-    """``{image id: prompt id}`` of the records naming the file, any spelling."""
-    found = {}
-    for spelled in dict.fromkeys(removal["spellings"]):
-        for image_id, prompt_id in _file_link_rows(conn, spelled):
-            found[image_id] = prompt_id
-    return found
-
-
-def _byte_ids(conn, locator):
-    return [row[0] for row in conn.execute(BYTES_OF_LOCATOR_SQL, (locator,))]
-
-
-def file_locator(path) -> str:
-    """The locator of an absolute path (``normcase(realpath)``)."""
-    return os.path.normcase(os.path.realpath(str(path)))
-
-
-def removed_from_library(conn, path) -> bool:
-    """Whether *path* is hidden by a removal mark whose bytes still match.
-
-    A mark whose file changed (other size or ``mtime_ns``) or is gone is
-    stale: it is deleted on *conn* (the caller's write transaction), and the
-    file is not hidden.
-    """
-    locator = file_locator(path)
-    mark = mark_of(conn, locator)
-    if mark is None:
-        return False
-    try:
-        info = os.lstat(path)
-    except OSError:
-        clear_marks(conn, [locator])
-        return False
-    if (info.st_size, info.st_mtime_ns) == tuple(mark):
-        return True
-    clear_marks(conn, [locator])
-    return False
-
-
-def mark_hides(marks: dict, locator: str, path) -> bool:
-    """Whether a removal mark in *marks* hides the file at *path* (blocking).
-
-    *marks* is ``{locator: (size, mtime_ns)}``. The mark of *locator* hides
-    the file while ``os.lstat(path)`` still has the size and ``mtime_ns`` it
-    was removed with; a file that cannot be looked at is not hidden.
-    """
-    mark = marks.get(locator)
-    if mark is None:
-        return False
-    try:
-        info = os.lstat(path)
-    except OSError:
-        return False
-    return (info.st_size, info.st_mtime_ns) == tuple(mark)
-
-
-def write_mark(conn, locator, size, mtime_ns):
-    _write_mark(conn, locator, size, mtime_ns, utc_now_iso())
-
-
-class ImageRemovalOperations:
-    """PromptDatabase mixin: remove a file's records; removal marks."""
-
-    def count_removal_records(self, removals) -> dict:
-        """Counts of what removing *removals* deletes, in one read snapshot.
-
-        ``{records: {kind: n}, orphaned_prompts: {count, titles}}``: prompts
-        whose every image record is among these files lose their last image
-        (they stay in the Library).
-        """
-        from .maintenance import _read_snapshot
-
-        def read(conn):
-            totals = dict.fromkeys(RECORD_KINDS, 0)
-            links = {}
-            for removal in removals:
-                found = _link_ids(conn, removal)
-                links.update(found)
-                for image_id in found:
-                    totals["pair_links"] += conn.execute(
-                        PAIR_LINK_COUNT_SQL, (image_id,)
-                    ).fetchone()[0]
-                tagged = autotagged = False
-                for byte_id in _byte_ids(conn, removal["locator"]):
-                    tagged |= bool(
-                        conn.execute(TAG_COUNT_SQL, (byte_id,)).fetchone()[0]
-                    )
-                    autotagged |= bool(
-                        conn.execute(AUTOTAG_COUNT_SQL, (byte_id,)).fetchone()[0]
-                    )
-                totals["image_tags"] += int(tagged)
-                totals["auto_tagged"] += int(autotagged)
-                totals["review_items"] += len(
-                    conn.execute(_PENDING_OF_LOCATOR, (removal["locator"],)).fetchall()
-                )
-                totals["favorites"] += int(
-                    any(
-                        conn.execute(FAVORITE_EXISTS_SQL, key).fetchone()[0]
-                        for key in removal["favorites"]
-                    )
-                )
-                totals["collections"] += sum(
-                    conn.execute(MEMBERSHIP_COUNT_SQL, key).fetchone()[0]
-                    for key in removal["favorites"]
-                )
-                if removal.get("category"):
-                    totals["categories"] += conn.execute(
-                        CATEGORY_EXISTS_SQL, removal["category"]
-                    ).fetchone()[0]
-            totals["prompt_links"] = len(links)
-            return {
-                "records": totals,
-                "orphaned_prompts": self._orphaned_prompts(conn, links),
-            }
-
-        return _read_snapshot(self.model.db_path, read)
-
-    @staticmethod
-    def _orphaned_prompts(conn, links):
-        removed = set(links)
-        orphans = []
-        for prompt_id in dict.fromkeys(links.values()):
-            remaining = [
-                row[0]
-                for row in conn.execute(PROMPT_LINKS_SQL, (prompt_id,))
-                if row[0] not in removed
-            ]
-            if not remaining:
-                orphans.append(prompt_id)
-        titles = []
-        for prompt_id in orphans[:MAX_ORPHAN_TITLES]:
-            row = conn.execute(PROMPT_TITLE_SQL, (prompt_id,)).fetchone()
-            if row is not None:
-                titles.append(display_title((row[1],), row[0]) or "")
-        return {"count": len(orphans), "titles": titles}
-
-    def remove_image_records(self, removal, *, mark=None) -> dict:
-        """Delete every record of one file (one transaction); see the module.
-
-        ``mark``: ``(size, mtime_ns)`` to write the file's removal mark, or
-        None (the file was moved to the trash). Returns the counts deleted.
-        """
-        counts = dict.fromkeys(RECORD_KINDS, 0)
-        locator = removal["locator"]
-        with self._pair_transaction() as conn:
-            links = _link_ids(conn, removal)
-            if links:
-                documents = documents_of_rows(conn, "id", list(links))
-                for image_id in links:
-                    counts["pair_links"] += conn.execute(
-                        PAIR_LINK_COUNT_SQL, (image_id,)
-                    ).fetchone()[0]
-                    conn.execute(DELETE_LINK_SQL, (image_id,))
-                release_documents(conn, documents)
-            counts["prompt_links"] = len(links)
-            counts.update(self._remove_annotations(conn, locator))
-            for key in removal["favorites"]:
-                counts["favorites"] += conn.execute(DELETE_FAVORITE_SQL, key).rowcount
-                counts["collections"] += conn.execute(
-                    DELETE_MEMBERSHIPS_SQL, key
-                ).rowcount
-            if removal.get("category"):
-                counts["categories"] += conn.execute(
-                    DELETE_CATEGORY_SQL, tuple(removal["category"])
-                ).rowcount
-            if mark is not None:
-                write_mark(conn, locator, *mark)
-        if counts["review_items"]:
-            notify_review_change(self.model.db_path)
-        return counts
-
-    def _remove_annotations(self, conn, locator) -> dict:
-        """Tags, auto-tag marks, pending review items and, when free, the rows."""
-        counts = {"image_tags": 0, "auto_tagged": 0, "review_items": 0}
-        bytes_ = _byte_ids(conn, locator)
-        for byte_id in bytes_:
-            tags = conn.execute(CLEAR_TAGS_SQL, (byte_id,)).rowcount
-            autotags = conn.execute(CLEAR_AUTOTAG_SQL, (byte_id,)).rowcount
-            if tags:
-                conn.execute(BUMP_TAG_REVISION_SQL, (byte_id,))
-            counts["image_tags"] |= bool(tags)
-            counts["auto_tagged"] |= bool(autotags)
-        for (item_id,) in conn.execute(_PENDING_OF_LOCATOR, (locator,)).fetchall():
-            counts["review_items"] += conn.execute(_SETTLE_ITEM, (item_id,)).rowcount
-        if counts["review_items"]:
-            conn.execute(_BUMP_REVIEW_INDEX)
-        if conn.execute(FILE_EXISTS_SQL, (locator,)).fetchone():
-            if not conn.execute(REVIEW_REFS_SQL, (locator,)).fetchone()[0]:
-                conn.execute(DELETE_FILE_SQL, (locator,))
-            conn.execute(_BUMP_INDEX)
-        counts["image_tags"] = int(counts["image_tags"])
-        counts["auto_tagged"] = int(counts["auto_tagged"])
-        return counts
-
-    def removal_marks(self) -> dict:
-        """``{locator: (size, mtime_ns)}`` of every removal mark (one read)."""
-        conn = self.model.get_connection()
-        if not has_marks_table(conn):
-            return {}
-        return {row[0]: (row[1], row[2]) for row in conn.execute(MARKS_SQL)}
-
-    def removal_revision(self) -> int:
-        conn = self.model.get_connection()
-        if not has_marks_table(conn):
-            return 0
-        row = conn.execute(REVISION_SQL).fetchone()
-        return row[0] if row else 0
-
-    def clear_removal_marks(self, locators) -> int:
-        """Show these files again (their marks go); the count removed."""
-        locators = list(locators)
-        if not locators:
-            return 0
-        with self._pair_transaction() as conn:
-            removed = clear_marks(conn, locators)
-        # #498: again after the commit, so a reader that cached the marks
-        # between the in-transaction bump and the commit reloads them.
-        bump_generation()
-        return removed
-
-    def clear_hiding_marks(self, files) -> set:
-        """Delete the marks that still hide their file (#498, Return to library).
-
-        *files* are ``(locator, path)`` pairs. In one ``BEGIN IMMEDIATE``
-        transaction each mark is read again and deleted only while the file at
-        *path* still has its size and ``mtime_ns``. Returns the locators whose
-        marks went.
-        """
-        cleared = set()
-        files = list(files)
-        if not files:
-            return cleared
-        with self._pair_transaction() as conn:
-            for locator, path in files:
-                mark = mark_of(conn, locator)
-                if mark is not None and mark_hides({locator: mark}, locator, path):
-                    cleared.add(locator)
-            clear_marks(conn, sorted(cleared))
-        bump_generation()
-        return cleared
@@ -1,213 +0,0 @@
-"""Removal marks (#480): files removed from the library that stay on disk.
-
-``image_removals`` holds one row per hidden file: its private canonical
-locator (the ``media_annotation_files.locator`` form) and the ``size`` and
-``mtime_ns`` it had when it was removed. A file at that locator with other
-bytes is a new file and shows again. ``image_removals_meta`` is one row, the
-marks revision, bumped in the same transaction as every mark change so the
-workspace listing caches can tell marks changed.
-
-The group installs like ``image_favorites``: optional in old backups,
-required once a database is current. Older builds ignore it.
-"""
-
-import os
-import re
-import sqlite3
-
-from .annotation_schema import MAX_LOCATOR_LENGTH
-
-TABLE = "image_removals"
-META_TABLE = "image_removals_meta"
-TABLES = (TABLE, META_TABLE)
-_TABLE_DDL = {
-    TABLE: (
-        f"CREATE TABLE {TABLE} (locator TEXT PRIMARY KEY, "
-        "size INTEGER NOT NULL CHECK(size>=0), mtime_ns INTEGER NOT NULL, "
-        "removed_at TEXT NOT NULL) WITHOUT ROWID"
-    ),
-    META_TABLE: (
-        f"CREATE TABLE {META_TABLE} (singleton_id INTEGER PRIMARY KEY "
-        "CHECK(singleton_id=1), revision INTEGER NOT NULL DEFAULT 0 "
-        "CHECK(revision>=0))"
-    ),
-}
-_SEED_META = (
-    f"INSERT OR IGNORE INTO {META_TABLE} (singleton_id, revision) VALUES (1, 0)"
-)
-_COLUMNS = {
-    TABLE: (
-        ("locator", "TEXT", 1, 1),
-        ("size", "INTEGER", 1, 0),
-        ("mtime_ns", "INTEGER", 1, 0),
-        ("removed_at", "TEXT", 1, 0),
-    ),
-    META_TABLE: (
-        ("singleton_id", "INTEGER", 0, 1),
-        ("revision", "INTEGER", 1, 0),
-    ),
-}
-_AUTOINDEX = f"sqlite_autoindex_{TABLE}_1"
-
-
-def _compact(sql: str) -> str:
-    return re.sub(r"\s+", "", sql or "").lower()
-
-
-def _structure_error(conn: sqlite3.Connection, allow_missing: bool) -> str | None:
-    rows = conn.execute(
-        "SELECT type,name,tbl_name,sql FROM sqlite_master WHERE name IN (?,?) "
-        "OR tbl_name IN (?,?)",
-        TABLES + TABLES,
-    ).fetchall()
-    if not rows:
-        return None if allow_missing else "Missing image removal marks schema"
-    tables = {name: sql for kind, name, _tbl, sql in rows if kind == "table"}
-    others = {(kind, name) for kind, name, _tbl, _sql in rows if kind != "table"}
-    if set(tables) != set(TABLES) or others - {("index", _AUTOINDEX)}:
-        return "Image removal marks name is reserved by an unsupported schema object"
-    for table in TABLES:
-        if _compact(tables[table]) != _compact(_TABLE_DDL[table]):
-            return "Image removal marks have an invalid table definition"
-        columns = tuple(
-            (row[1], row[2].upper(), row[3], row[5])
-            for row in conn.execute(f"PRAGMA table_info({table})")
-        )
-        if columns != _COLUMNS[table]:
-            return "Image removal marks have invalid columns"
-    return None
-
-
-def _values_error(conn: sqlite3.Connection) -> str | None:
-    limit = MAX_LOCATOR_LENGTH * 4
-    if conn.execute(
-        f"SELECT 1 FROM {TABLE} WHERE typeof(locator) != 'text' "  # nosec B608
-        f"OR length(CAST(locator AS BLOB)) > {limit} OR locator = '' "
-        "OR typeof(size) != 'integer' OR typeof(mtime_ns) != 'integer' "
-        "OR typeof(removed_at) != 'text' OR length(CAST(removed_at AS BLOB)) > 64 "
-        "LIMIT 1"
-    ).fetchone():
-        return "Image removal marks contain invalid values"
-    meta = conn.execute(
-        f"SELECT singleton_id, typeof(revision) FROM {META_TABLE}"  # nosec B608
-    ).fetchall()
-    if meta != [(1, "integer")]:
-        return "Image removal marks have an invalid revision"
-    return None
-
-
-def image_removals_schema_error(
-    conn: sqlite3.Connection, *, allow_missing: bool = True
-) -> str | None:
-    """Reject unsupported schemas and invalid persisted values (reads only)."""
-    error = _structure_error(conn, allow_missing)
-    if error:
-        return error
-    exists = conn.execute(
-        "SELECT 1 FROM sqlite_master WHERE type='table' AND name=?", (TABLE,)
-    ).fetchone()
-    return _values_error(conn) if exists else None
-
-
-def migrate_image_removals(conn: sqlite3.Connection) -> None:
-    """Install both tables atomically; validate before and after."""
-    conn.execute("SAVEPOINT image_removals_schema")
-    try:
-        error = image_removals_schema_error(conn)
-        if error:
-            raise sqlite3.DatabaseError(error)
-        for sql in _TABLE_DDL.values():
-            conn.execute(sql.replace("CREATE TABLE", "CREATE TABLE IF NOT EXISTS", 1))
-        conn.execute(_SEED_META)
-        error = image_removals_schema_error(conn, allow_missing=False)
-        if error:
-            raise sqlite3.DatabaseError(error)
-        conn.execute("RELEASE image_removals_schema")
-    except BaseException:
-        conn.execute("ROLLBACK TO image_removals_schema")
-        conn.execute("RELEASE image_removals_schema")
-        raise
-
-
-_UNMARK_SQL = f"DELETE FROM {TABLE} WHERE locator=?"  # nosec B608
-_MARK_SQL = (
-    f"INSERT OR REPLACE INTO {TABLE} "  # nosec B608
-    "(locator, size, mtime_ns, removed_at) VALUES (?, ?, ?, ?)"
-)
-_MARK_OF_SQL = f"SELECT size, mtime_ns FROM {TABLE} WHERE locator=?"  # nosec B608
-BUMP_MARKS_SQL = (
-    f"UPDATE {META_TABLE} SET revision=revision+1 WHERE singleton_id=1"  # nosec B608
-)
-
-
-# Bumped whenever this process writes or clears a mark (even in a transaction
-# that later rolls back): readers that cache the marks reload when it moves.
-_generation = 0
-
-
-def generation() -> int:
-    """The marks generation of this process (see ``_generation``)."""
-    return _generation
-
-
-def _bump() -> None:
-    global _generation
-    _generation += 1
-
-
-def bump_generation() -> None:
-    """Move the generation after a commit (a cached read made before it reloads)."""
-    _bump()
-
-
-def has_marks_table(conn: sqlite3.Connection) -> bool:
-    return (
-        conn.execute(
-            "SELECT 1 FROM sqlite_master WHERE type='table' AND name=?", (TABLE,)
-        ).fetchone()
-        is not None
-    )
-
-
-def locator_of_key(root_key: str, relative_key: str) -> str:
-    """The locator of a favorite-style file key (root key + relative key)."""
-    return os.path.normcase(os.path.join(root_key, *relative_key.split("/")))
-
-
-def mark_of(conn: sqlite3.Connection, locator: str):
-    """``(size, mtime_ns)`` of the file's removal mark, or None."""
-    if not has_marks_table(conn):
-        return None
-    row = conn.execute(_MARK_OF_SQL, (locator,)).fetchone()
-    return (row[0], row[1]) if row else None
-
-
-def write_mark(
-    conn: sqlite3.Connection, locator: str, size: int, mtime_ns: int, now: str
-):
-    conn.execute(_MARK_SQL, (locator, int(size), int(mtime_ns), now))
-    conn.execute(BUMP_MARKS_SQL)
-    _bump()
-
-
-def clear_marks(conn: sqlite3.Connection, locators) -> int:
-    """Delete the marks of *locators* on *conn* (no commit); the count removed.
-
-    Every record write for a file calls this (#480): a file with records is
-    in the library, so it is never hidden.
-    """
-    locators = list(dict.fromkeys(locators))
-    if not locators or not has_marks_table(conn):
-        return 0
-    removed = 0
-    for locator in locators:
-        removed += conn.execute(_UNMARK_SQL, (locator,)).rowcount
-    if removed:
-        conn.execute(BUMP_MARKS_SQL)
-        _bump()
-    return removed
-
-
-def clear_marks_of_keys(conn: sqlite3.Connection, file_keys) -> int:
-    """``clear_marks`` for favorite-style ``(root key, relative key)`` pairs."""
-    return clear_marks(conn, [locator_of_key(*key) for key in file_keys])
@@ -5,9 +5,7 @@ import sqlite3
 from collections.abc import Iterator
 from contextlib import contextmanager

-from .library_folders import folder_condition, list_library_folders
 from .library_tokens import library_edit_token
-from .prompt_archive import ARCHIVED, SHELVED

 _ELIGIBLE = """(EXISTS(SELECT 1 FROM prompt_pairs ep WHERE ep.positive_prompt_id=p.id)
 OR EXISTS(SELECT 1 FROM generated_images eg WHERE eg.prompt_id=p.id)
@@ -107,12 +105,6 @@ ARCHIVE_SCOPES = {
 }


-# Shelves (#443): the parents on the shelf, or the archived ones.
-PARENT_SCOPES = {"active": SHELVED, "archived": ARCHIVED}
-# A positive pair owner that is on the shelf, as a condition on alias pp.
-SHELVED_PAIR = SHELVED.replace("p.id", "pp.positive_prompt_id")
-
-
 def _escape(value: str) -> str:
    return value.replace("\\", "\\\\").replace("%", "\\%").replace("_", "\\_")

@@ -129,54 +121,7 @@ def _archive(value: str) -> str:
    return ARCHIVE_SCOPES[value]


-# How the Tags filter matches (#444): every tag (AND), any of them (OR), or
-# parents without any tag.
-TAG_MODES = ("all", "any", "untagged")
-# A parent that no tag's Browse returns (#444 "Untagged prompts"): no tag of its
-# own and no active pair carrying one. The vocabulary's untagged count uses it too.
-UNTAGGED = (
-    "NOT EXISTS(SELECT 1 FROM prompt_tags ut WHERE ut.prompt_id=p.id) "
-    "AND NOT EXISTS(SELECT 1 FROM prompt_pairs up JOIN prompt_pair_tags upt "
-    "ON upt.pair_id=up.id WHERE up.positive_prompt_id=p.id AND up.archived=0)"
-)
-
-
-def _tag_mode(tag_mode: object, tags: list[str]) -> str:
-    if not isinstance(tag_mode, str) or tag_mode not in TAG_MODES:
-        raise ValueError("tag_mode must be one of " + ", ".join(TAG_MODES))
-    if tag_mode == "untagged" and tags:
-        raise ValueError("Untagged prompts cannot also filter by tags")
-    return tag_mode
-
-
-def _tag_conditions(tags: list[str], any_tag: bool) -> tuple[list, list, list]:
-    """Parent-arm and pair-arm tag conditions and the tags' parameters."""
-    parent_exists = (
-        "EXISTS(SELECT 1 FROM prompt_tags pt JOIN tags t ON t.id=pt.tag_id "
-        "WHERE pt.prompt_id=p.id AND t.name{test})"
-    )
-    pair_exists = (
-        "EXISTS(SELECT 1 FROM prompt_pair_tags pt JOIN tags t ON t.id=pt.tag_id "
-        "WHERE pt.pair_id=pp.id AND t.name{test})"
-    )
-    if any_tag and tags:
-        # One condition per arm: the card, or one active pair, carries any tag.
-        test = " IN (" + ",".join("?" for _ in tags) + ")"
-        return [parent_exists.format(test=test)], [pair_exists.format(test=test)], tags
-    return (
-        [parent_exists.format(test="=?") for _ in tags],
-        [pair_exists.format(test="=?") for _ in tags],
-        tags,
-    )
-
-
-def _filter(
-    text: str,
-    category: str | None,
-    tags: list[str],
-    tag_mode: str = "all",
-    folder_prefixes: list[str] | None = None,
-) -> tuple[str, list]:
+def _filter(text: str, category: str | None, tags: list[str]) -> tuple[str, list]:
    if not isinstance(text, str) or len(text) > 500:
        raise ValueError("Search text must be a string of at most 500 characters")
    if category is not None and (not isinstance(category, str) or len(category) > 200):
@@ -187,8 +132,6 @@ def _filter(
        or any(not isinstance(tag, str) or not tag or len(tag) > 200 for tag in tags)
    ):
        raise ValueError("Invalid library tags")
-    mode = _tag_mode(tag_mode, tags)
-    untagged = mode == "untagged"
    parent, pair, parent_params, pair_params = [], ["pp.archived=0"], [], []
    if text:
        parent.append("(p.text LIKE ? ESCAPE '\\' OR ls.title LIKE ? ESCAPE '\\')")
@@ -203,11 +146,17 @@ def _filter(
        pair.append("pp.category=?")
        parent_params.append(category)
        pair_params.append(category)
-    parent_tags, pair_tags, tag_params = _tag_conditions(tags, mode == "any")
-    parent.extend(parent_tags)
-    pair.extend(pair_tags)
-    parent_params.extend(tag_params)
-    pair_params.extend(tag_params)
+    for tag in tags:
+        parent.append(
+            "EXISTS(SELECT 1 FROM prompt_tags pt JOIN tags t ON t.id=pt.tag_id "
+            "WHERE pt.prompt_id=p.id AND t.name=?)"
+        )
+        pair.append(
+            "EXISTS(SELECT 1 FROM prompt_pair_tags pt JOIN tags t ON t.id=pt.tag_id "
+            "WHERE pt.pair_id=pp.id AND t.name=?)"
+        )
+        parent_params.append(tag)
+        pair_params.append(tag)
    condition = (
        "("
        + (" AND ".join(parent) or "1=1")
@@ -219,17 +168,7 @@ def _filter(
        + " AND ".join(pair)
        + ")"
    )
-    if untagged:
-        # A whole-card condition: inside the parent-or-pair OR an untagged pair
-        # would let a tagged parent through.
-        condition = f"({condition}) AND {UNTAGGED}"
-    params = [*parent_params, *pair_params]
-    if folder_prefixes:
-        # A whole-card condition around both arms: images link to the parent.
-        folder, folder_params = folder_condition(folder_prefixes)
-        condition = f"({condition}) AND {folder}"
-        params.extend(folder_params)
-    return f"({_ELIGIBLE}) AND ({condition})", params
+    return f"({_ELIGIBLE}) AND ({condition})", [*parent_params, *pair_params]


 class LibraryOperations:
@@ -277,8 +216,6 @@ class LibraryOperations:
        rows = conn.execute(
            "SELECT p.id,p.text,ls.title,p.category,p.rating,p.notes,p.created_at,"
            "p.run_count,p.last_used_at,"
-            + ARCHIVED
-            + " AS archived,"
            + (f"{sort_expression} AS _sort," if sort_expression else "")
            + "(SELECT COUNT(*) FROM prompt_pairs v WHERE v.positive_prompt_id=p.id "
            "AND v.archived=0) AS variant_count,"
@@ -302,7 +239,6 @@ class LibraryOperations:
            # Usage is shown, never compared: the token hashes owner fields only.
            row["run_count"] = row["run_count"] if type(row["run_count"]) is int else 0
            row["last_used_at"] = utc_iso(row["last_used_at"])
-            row["archived"] = bool(row["archived"])
            row["edit_token"] = library_edit_token(epoch, row)
        return result

@@ -315,21 +251,14 @@ class LibraryOperations:
        text: str = "",
        category: str | None = None,
        tags: list[str] | None = None,
-        tag_mode: str = "all",
-        folder_prefixes: list[str] | None = None,
        sort: str = "newest",
        limit: int = 40,
        after: dict | None = None,
-        shelf: str = "active",
    ) -> dict:
        _limit(limit)
        if sort not in _ORDERS:
            raise ValueError("Unknown library sort order")
-        if not isinstance(shelf, str) or shelf not in PARENT_SCOPES:
-            raise ValueError("shelf must be active or archived")
-        where, params = _filter(
-            text, category, [] if tags is None else tags, tag_mode, folder_prefixes
-        )
+        where, params = _filter(text, category, [] if tags is None else tags)
        if after is not None:
            if (
                not isinstance(after, dict)
@@ -341,18 +270,15 @@ class LibraryOperations:
            ceiling = after["ceiling"]
        where += " AND p.id<=?"
        params.append(ceiling)
-        # One SELECT counts the filtered parents of this scope, their active
-        # variants, and the filtered archived parents (Show archived, #443).
-        scope = PARENT_SCOPES[shelf]
-        total, variant_total, archived_total = conn.execute(
-            f"SELECT COALESCE(SUM({scope}),0),"
-            f"COALESCE(SUM(CASE WHEN {scope} THEN (SELECT COUNT(*) "
-            "FROM prompt_pairs v WHERE v.positive_prompt_id=p.id "
-            "AND v.archived=0) ELSE 0 END),0),"
-            f"COALESCE(SUM({ARCHIVED}),0) FROM " + _FROM + " WHERE " + where,
+        # One SELECT counts the filtered parents and their active variants.
+        total, variant_total = conn.execute(
+            "SELECT COUNT(*),COALESCE(SUM((SELECT COUNT(*) FROM prompt_pairs v "
+            "WHERE v.positive_prompt_id=p.id AND v.archived=0)),0) FROM "
+            + _FROM
+            + " WHERE "
+            + where,
            params,
        ).fetchone()
-        where += f" AND {scope}"
        expression, direction = _ORDERS[sort]
        if after is not None:
            operator = ">" if direction == "ASC" else "<"
@@ -385,9 +311,6 @@ class LibraryOperations:
            "items": rows,
            "total": total,
            "variant_total": variant_total,
-            "archived_total": archived_total,
-            # Echoed so a client can tell this read applied its tag match.
-            "tag_mode": tag_mode,
            "has_more": has_more,
            "next_key": next_key,
        }
@@ -398,12 +321,9 @@ class LibraryOperations:
        text: str = "",
        category: str | None = None,
        tags: list[str] | None = None,
-        tag_mode: str = "all",
-        folder_prefixes: list[str] | None = None,
        sort: str = "newest",
        limit: int = 40,
        after: dict | None = None,
-        shelf: str = "active",
    ) -> dict:
        with self.library_snapshot(include_ceiling=True) as (conn, epoch, ceiling):
            return self._list_library(
@@ -413,12 +333,9 @@ class LibraryOperations:
                text=text,
                category=category,
                tags=tags,
-                tag_mode=tag_mode,
-                folder_prefixes=folder_prefixes,
                sort=sort,
                limit=limit,
                after=after,
-                shelf=shelf,
            )

    def _is_library_positive(self, conn: sqlite3.Connection, positive_id: int) -> bool:
@@ -546,13 +463,9 @@ class LibraryOperations:
            "categories": [row["category"] for row in rows],
        }

-    def get_library_options(self, folder_roots=None) -> dict:
-        """Categories; with *folder_roots* (root spellings) also ``folders``."""
+    def get_library_options(self) -> dict:
        with self.library_snapshot() as (conn, epoch, _ceiling):
-            result = self._get_library_options(conn, epoch)
-            if folder_roots is not None:
-                result["folders"] = list_library_folders(conn, folder_roots, _ELIGIBLE)
-            return result
+            return self._get_library_options(conn, epoch)

    def get_library_previews(self, positive_ids: list[int]) -> dict[int, list[dict]]:
        """Read at most two links per parent in one bounded page query."""
@@ -663,9 +576,7 @@ class LibraryOperations:
            owners = {}
            order = []
            for row in conn.execute(
-                "SELECT p.id,p.text,ls.title,p.category,p.rating,p.notes,"
-                + ARCHIVED
-                + " AS archived FROM "
+                "SELECT p.id,p.text,ls.title,p.category,p.rating,p.notes FROM "
                + _FROM
                + " WHERE "
                + _ELIGIBLE
@@ -678,7 +589,6 @@ class LibraryOperations:
                    "tags": [],
                    "rating": row["rating"],
                    "notes": row["notes"],
-                    "archived": bool(row["archived"]),
                    "variants": [],
                }
                order.append(row["id"])
@@ -723,9 +633,8 @@ class LibraryOperations:
        """System › Overview counts from one snapshot, writing nothing.

        ``positive_prompts`` and ``negative_variants`` are the unfiltered
-        Library's ``total`` and ``variant_total``: eligible parents on the
-        shelf (not archived, #443) and their active pairs (every pair's
-        positive is eligible). ``images`` counts indexed
+        Library's ``total`` and ``variant_total``: eligible parents and active
+        pairs (every pair's positive is eligible). ``images`` counts indexed
        ``generated_images`` rows, not files on disk. An image has no rating
        of its own (it shows its linked prompt's), so ``rated_images`` counts
        the indexed images whose linked prompt is rated. ``review_pending`` is
@@ -733,14 +642,8 @@ class LibraryOperations:
        """
        with self.library_snapshot() as (conn, _epoch, _ceiling):
            row = conn.execute(
-                "SELECT (SELECT COUNT(*) FROM prompts p WHERE "
-                + _ELIGIBLE
-                + " AND "
-                + SHELVED
-                + "),"
-                "(SELECT COUNT(*) FROM prompt_pairs pp WHERE pp.archived=0 AND "
-                + SHELVED_PAIR
-                + "),"
+                "SELECT (SELECT COUNT(*) FROM prompts p WHERE " + _ELIGIBLE + "),"
+                "(SELECT COUNT(*) FROM prompt_pairs WHERE archived=0),"
                "(SELECT COUNT(*) FROM generated_images),"
                "(SELECT COUNT(*) FROM generated_images gi JOIN prompts r "
                "ON r.id=gi.prompt_id WHERE r.rating IS NOT NULL),"
@@ -1,473 +0,0 @@
-"""Delete selected Library prompts; archive the paired ones (#443, D152).
-
-A selected Library parent is classified, in this order, as ``not_found``
-(missing, or not a Library parent), ``protected`` (tagged ``__protected__``;
-never changed), ``already_archived``, ``archive`` (the positive or negative of
-any saved pair, archived pair or not: archiving hides it from the shelf and
-removes nothing) or ``delete`` (in no pair: deleted exactly as the legacy
-delete does, through ``delete_prompt_rows``). Every command checks the
-storage epoch first and runs in one ``BEGIN IMMEDIATE`` transaction.
-
-The write executes what the user reviewed: it is given the reviewed archive
-and delete lists, and deletes only reviewed deletes the route backed up
-(``candidates``) whose fingerprint is unchanged since that backup.
-"""
-
-import hashlib
-import json
-import re
-import sqlite3
-from typing import Iterable
-
-from .library import _ELIGIBLE
-from .library_commands import _validate_bulk_ids, _validate_epoch
-from .models import utc_now_iso
-from .prompt_archive import ARCHIVED as _ARCHIVED
-from .prompt_archive import TABLE as ARCHIVE
-from .workflow_documents import documents_of_rows, release_documents
-
-try:
-    from ..utils.hashing import generate_prompt_hash
-except ImportError:
-    from utils.hashing import generate_prompt_hash
-
-# Ids bound per statement: the pair check binds each id twice, which stays
-# under SQLite's historical 999-variable limit (maintenance.py ID_BATCH).
-ID_BATCH = 400
-_PROTECTED = (
-    "EXISTS(SELECT 1 FROM prompt_tags pt JOIN tags t ON t.id=pt.tag_id "
-    "WHERE pt.prompt_id=p.id AND t.name='__protected__')"
-)
-_PAIRED = (
-    "EXISTS(SELECT 1 FROM prompt_pairs pp "
-    "WHERE pp.positive_prompt_id=p.id OR pp.negative_prompt_id=p.id)"
-)
-# #482: used as the negative of another positive's pair (archived or not):
-# never deleted, so that positive's variant stays (archive only).
-_NEGATIVE_OF_OTHER = (
-    "EXISTS(SELECT 1 FROM prompt_pairs op "
-    "WHERE op.negative_prompt_id=p.id AND op.positive_prompt_id!=p.id)"
-)
-# Classes in the order a prompt is tested; the first that holds wins.
-CLASSES = (
-    "not_found",
-    "protected",
-    "already_archived",
-    "not_archived",
-    "archive",
-    "delete",
-)
-# #492: the shelf a Delete… runs on. On the archived shelf an archived prompt is
-# classified by its pairs, and one restored since is ``not_archived``.
-SHELVES = ("active", "archived")
-
-
-def _check_shelf(shelf: str) -> bool:
-    """Whether ``shelf`` is the archived shelf (ValueError when unknown)."""
-    if shelf not in SHELVES:
-        raise ValueError("shelf must be active or archived")
-    return shelf == "archived"
-
-
-_DIGEST = re.compile(r"^[0-9a-f]{64}$")
-
-
-def _batches(ids: list) -> Iterable[list]:
-    for start in range(0, len(ids), ID_BATCH):
-        yield ids[start : start + ID_BATCH]
-
-
-def delete_prompt_rows(conn: sqlite3.Connection, prompt_ids: list[int]) -> int:
-    """Delete prompts and their image link rows; return the prompts deleted.
-
-    The legacy delete's statements (``delete_prompt``, ``bulk_delete_prompts``)
-    in the caller's transaction: image link rows first (``image_prompt_pairs``
-    cascades, review decisions keep a NULL image), then the prompts (tags and
-    Library state cascade), then the workflow documents no row references.
-    Image files are never touched. The caller checks pairs first.
-    """
-    documents = documents_of_rows(conn, "prompt_id", prompt_ids)
-    deleted = 0
-    for chunk in _batches(list(prompt_ids)):
-        marks = ",".join("?" for _ in chunk)
-        conn.execute(
-            f"DELETE FROM generated_images WHERE prompt_id IN ({marks})",  # nosec
-            chunk,
-        )
-        deleted += conn.execute(
-            f"DELETE FROM prompts WHERE id IN ({marks})", chunk  # nosec B608
-        ).rowcount
-    release_documents(conn, documents)
-    return deleted
-
-
-class LibraryArchiveOperations:
-    """PromptDatabase mixin: classify, archive or delete, and restore parents."""
-
-    def _classify_library_delete(
-        self, conn: sqlite3.Connection, prompt_ids: list[int], shelf: str = "active"
-    ) -> dict:
-        on_archived_shelf = _check_shelf(shelf)
-        found, deletable = {}, set()
-        for chunk in _batches(prompt_ids):
-            marks = ",".join("?" for _ in chunk)
-            for row in conn.execute(
-                f"SELECT p.id,{_PROTECTED},{_ARCHIVED},{_PAIRED},"  # nosec B608
-                f"{_NEGATIVE_OF_OTHER} "
-                f"FROM prompts p WHERE p.id IN ({marks}) AND {_ELIGIBLE}",
-                chunk,
-            ):
-                protected, archived, paired, negative_of_other = row[1:5]
-                if protected:
-                    found[row[0]] = "protected"
-                elif on_archived_shelf and not archived:
-                    found[row[0]] = "not_archived"
-                elif archived and not on_archived_shelf:
-                    found[row[0]] = "already_archived"
-                elif paired:
-                    found[row[0]] = "archive"
-                    if not negative_of_other:
-                        deletable.add(row[0])
-                else:
-                    found[row[0]] = "delete"
-        classes = {name: [] for name in CLASSES}
-        for pid in prompt_ids:
-            classes[found.get(pid, "not_found")].append(pid)
-        # #482: the archive ids Delete permanently may delete with their pairs.
-        classes["deletable"] = [pid for pid in classes["archive"] if pid in deletable]
-        return classes
-
-    @staticmethod
-    def _image_links(conn: sqlite3.Connection, prompt_ids: list[int]) -> int:
-        total = 0
-        for chunk in _batches(prompt_ids):
-            marks = ",".join("?" for _ in chunk)
-            total += conn.execute(
-                "SELECT COUNT(*) FROM generated_images "  # nosec B608
-                f"WHERE prompt_id IN ({marks})",
-                chunk,
-            ).fetchone()[0]
-        return total
-
-    @staticmethod
-    def _fingerprints(conn: sqlite3.Connection, prompt_ids: list[int]) -> dict:
-        """What a safety backup holds of each prompt a delete would remove.
-
-        The prompt row (usage included), its tag ids, its Library title and
-        its image link rows (count and newest id), as a JSON-safe list.
-        """
-        prints = {}
-        for chunk in _batches(prompt_ids):
-            marks = ",".join("?" for _ in chunk)
-            for row in conn.execute(
-                "SELECT p.id,p.text,p.hash,p.category,p.rating,p.notes,"  # nosec
-                "p.updated_at,p.run_count,p.last_used_at,"
-                "(SELECT group_concat(tag_id) FROM (SELECT tag_id FROM prompt_tags "
-                "WHERE prompt_id=p.id ORDER BY tag_id)),"
-                "(SELECT title FROM prompt_library_state WHERE prompt_id=p.id),"
-                "(SELECT COUNT(*) FROM generated_images WHERE prompt_id=p.id),"
-                "(SELECT MAX(id) FROM generated_images WHERE prompt_id=p.id) "
-                f"FROM prompts p WHERE p.id IN ({marks})",
-                chunk,
-            ):
-                prints[row[0]] = [
-                    value if isinstance(value, (int, str, type(None))) else repr(value)
-                    for value in tuple(row)[1:]
-                ]
-        return prints
-
-    @staticmethod
-    def _distinct_images(conn: sqlite3.Connection, prompt_ids: list[int]) -> int:
-        """Image rows of ``prompt_ids`` (each image once; #482 deletes them)."""
-        return LibraryArchiveOperations._image_links(conn, prompt_ids)
-
-    @staticmethod
-    def _pair_prints(conn: sqlite3.Connection, prompt_ids: list[int]) -> dict:
-        """#482: each prompt's own saved pairs, as the review saw them.
-
-        Per pair (by id): its negative, archived flag, metadata, usage, ordered
-        tag ids and its image-pair links (count and newest id).
-        """
-        prints = {pid: [] for pid in prompt_ids}
-        for chunk in _batches(prompt_ids):
-            marks = ",".join("?" for _ in chunk)
-            for row in conn.execute(
-                "SELECT pp.positive_prompt_id,pp.id,pp.negative_prompt_id,"  # nosec
-                "pp.archived,pp.title,pp.category,pp.rating,pp.notes,pp.run_count,"
-                "pp.last_used_at,pp.updated_at,"
-                "(SELECT group_concat(tag_id) FROM (SELECT tag_id FROM "
-                "prompt_pair_tags WHERE pair_id=pp.id ORDER BY tag_id)),"
-                "(SELECT COUNT(*) FROM image_prompt_pairs WHERE pair_id=pp.id),"
-                "(SELECT MAX(id) FROM image_prompt_pairs WHERE pair_id=pp.id) "
-                f"FROM prompt_pairs pp WHERE pp.positive_prompt_id IN ({marks}) "
-                "ORDER BY pp.id",
-                chunk,
-            ):
-                prints[row[0]].append(
-                    [
-                        v if isinstance(v, (int, str, type(None))) else repr(v)
-                        for v in tuple(row)[1:]
-                    ]
-                )
-        return prints
-
-    @classmethod
-    def _review_digests(cls, conn: sqlite3.Connection, prompt_ids: list[int]) -> dict:
-        """#482: one digest per deletable prompt of its row and its pairs."""
-        prompts = cls._fingerprints(conn, prompt_ids)
-        pairs = cls._pair_prints(conn, prompt_ids)
-        return {
-            pid: hashlib.sha256(
-                json.dumps(
-                    [prompts.get(pid), pairs[pid]], separators=(",", ":")
-                ).encode("utf-8")
-            ).hexdigest()
-            for pid in prompt_ids
-        }
-
-    @staticmethod
-    def _paired_counts(
-        conn: sqlite3.Connection, prompt_ids: list[int], selected: list[int]
-    ) -> dict:
-        """#482: what Delete permanently would remove with ``prompt_ids``."""
-        pairs = archived = variants = 0
-        negatives = set()
-        for chunk in _batches(prompt_ids):
-            marks = ",".join("?" for _ in chunk)
-            for archived_flag, negative, positive in conn.execute(
-                "SELECT archived,negative_prompt_id,positive_prompt_id "  # nosec
-                f"FROM prompt_pairs WHERE positive_prompt_id IN ({marks})",
-                chunk,
-            ):
-                pairs += 1
-                archived += 1 if archived_flag else 0
-                if negative is not None:
-                    variants += 1
-                    if negative != positive:
-                        negatives.add(negative)
-        return {
-            "pairs": pairs,
-            "archived_pairs": archived,
-            "variants": variants,
-            "kept_negatives": len(negatives - set(selected)),
-        }
-
-    @staticmethod
-    def _checked_ids(prompt_ids: list[int], expected_epoch: str) -> list[int]:
-        _validate_epoch(expected_epoch)
-        _validate_bulk_ids(prompt_ids)
-        return list(dict.fromkeys(prompt_ids))
-
-    def classify_library_delete(
-        self, prompt_ids: list[int], *, expected_epoch: str, shelf: str = "active"
-    ) -> dict:
-        """What a delete of ``prompt_ids`` would do now (reads only).
-
-        Returns the id lists per class, in request order, ``image_links``
-        (the image link rows the ``delete`` class would remove) and
-        ``fingerprints`` of the ``delete`` class (``_fingerprints``). On the
-        archived ``shelf`` (#492) archived prompts are classified by their pairs.
-        """
-        _check_shelf(shelf)
-        prompt_ids = self._checked_ids(prompt_ids, expected_epoch)
-        with self.library_snapshot() as (conn, _epoch, _ceiling):
-            epoch = self._library_epoch(conn, expected_epoch)
-            classes = self._classify_library_delete(conn, prompt_ids, shelf)
-            deletable = classes["deletable"]
-            return {
-                "library_epoch": epoch,
-                **classes,
-                "image_links": self._image_links(conn, classes["delete"]),
-                "fingerprints": self._fingerprints(conn, classes["delete"]),
-                # #482: Delete permanently, with the deletable prompts' pairs.
-                "review_digests": self._review_digests(conn, deletable),
-                "paired_counts": self._paired_counts(conn, deletable, prompt_ids),
-                "paired_image_links": self._distinct_images(conn, deletable),
-            }
-
-    @staticmethod
-    def _repair_hash(conn: sqlite3.Connection, prompt_id: int) -> None:
-        """Give an archived prompt its canonical hash, so ingestion finds it.
-
-        Scans, the monitor and node saves resolve prompts by hash; a stale or
-        missing one would make them insert a visible copy (Q3). When another
-        row already holds the canonical hash, lookups find that row and no new
-        copy is made, so nothing is written.
-        """
-        text, stored = conn.execute(
-            "SELECT text,hash FROM prompts WHERE id=?", (prompt_id,)
-        ).fetchone()
-        canonical = generate_prompt_hash(text) if isinstance(text, str) else None
-        if canonical is None or stored == canonical:
-            return
-        if conn.execute(
-            "SELECT 1 FROM prompts WHERE hash=? AND id!=?", (canonical, prompt_id)
-        ).fetchone():
-            return
-        conn.execute("UPDATE prompts SET hash=? WHERE id=?", (canonical, prompt_id))
-
-    def archive_or_delete_library_prompts(
-        self,
-        archive_ids: list[int],
-        delete_ids: list[int],
-        *,
-        expected_epoch: str,
-        candidates: dict | None,
-        delete_paired: dict | None = None,
-        shelf: str = "active",
-    ) -> dict:
-        """Archive and delete what the user reviewed, all or nothing.
-
-        ``archive_ids`` and ``delete_ids`` are the reviewed classes.
-        ``candidates`` maps each reviewed delete the route backed up to its
-        fingerprint then (None: every reviewed delete, unchecked; tests and
-        callers without a backup). A reviewed delete is deleted only when it
-        still classifies ``delete`` and its fingerprint is unchanged; one that
-        is now paired, and a reviewed archive now unpaired, are archived (the
-        restorable direction); anything else is kept and counted.
-
-        ``delete_paired`` (#482) maps reviewed archive ids the user chose to
-        Delete permanently to their review digest. Each is deleted with its
-        own saved pairs only while it is still deletable and its digest is
-        unchanged; otherwise it is archived and counted ``changed``.
-
-        On the archived ``shelf`` (#492) the ids are archived already: nothing
-        is archived or rewritten, every reviewed id not deleted (protected or
-        changed) counts ``changed``, and one restored since ``not_archived``.
-        """
-        on_archived_shelf = _check_shelf(shelf)
-        _validate_epoch(expected_epoch)
-        for ids in (archive_ids, delete_ids):
-            if not isinstance(ids, list) or any(
-                type(pid) is not int or not 1 <= pid <= 2**63 - 1 for pid in ids
-            ):
-                raise ValueError("prompt ids must be lists of positive integers")
-        reviewed_delete = set(delete_ids)
-        delete_paired = {} if delete_paired is None else delete_paired
-        if not isinstance(delete_paired, dict) or any(
-            type(pid) is not int
-            or not isinstance(digest, str)
-            or not _DIGEST.match(digest)
-            for pid, digest in delete_paired.items()
-        ):
-            raise ValueError("delete_paired must map prompt ids to review digests")
-        if not set(delete_paired) <= set(archive_ids):
-            raise ValueError("A permanent delete must be a reviewed archive id")
-        if not archive_ids and not delete_ids:
-            raise ValueError("Nothing to delete or archive")
-        if reviewed_delete & set(archive_ids):
-            raise ValueError("A prompt cannot be both archived and deleted")
-        prompt_ids = list(dict.fromkeys([*archive_ids, *delete_ids]))
-        with self._pair_transaction() as conn:
-            epoch = self._library_epoch(conn, expected_epoch)
-            classes = self._classify_library_delete(conn, prompt_ids, shelf)
-            now_prints = self._fingerprints(conn, classes["delete"])
-            deletes, archives, changed = [], [], 0
-            paired_now = set(classes["deletable"])
-            chosen = [pid for pid in classes["archive"] if pid in delete_paired]
-            digests = self._review_digests(
-                conn, [pid for pid in chosen if pid in paired_now]
-            )
-            paired_deletes = []
-            for pid in classes["archive"]:
-                if pid not in delete_paired:
-                    archives.append(pid)
-                elif digests.get(pid) == delete_paired[pid]:
-                    paired_deletes.append(pid)
-                else:
-                    archives.append(pid)  # changed since the review: restorable
-                    changed += 1
-            for pid in classes["delete"]:
-                if pid not in reviewed_delete:
-                    archives.append(pid)  # reviewed as archive, now unpaired
-                    changed += 1 if pid in delete_paired else 0
-                elif candidates is None or candidates.get(pid) == now_prints[pid]:
-                    deletes.append(pid)
-                else:
-                    changed += 1
-            changed += len(classes["protected"])
-            if on_archived_shelf:
-                # Already archived: the rest stay as they are, each one counted.
-                archives = []
-                changed = len(prompt_ids) - len(deletes) - len(paired_deletes)
-                changed -= len(classes["not_found"]) + len(classes["not_archived"])
-            image_links = self._image_links(conn, [*deletes, *paired_deletes])
-            now = utc_now_iso()
-            for pid in archives:
-                self._repair_hash(conn, pid)
-            conn.executemany(
-                f"INSERT INTO {ARCHIVE}(prompt_id, archived_at) VALUES (?, ?)",
-                [(pid, now) for pid in archives],
-            )
-            # A changed row is the newest edit the restore fingerprint reads.
-            conn.executemany(
-                "UPDATE prompts SET updated_at=? WHERE id=?",
-                [(now, pid) for pid in archives],
-            )
-            # #482: the image-pair links (RESTRICT) go first, then the pairs
-            # (pair tags CASCADE, review decisions SET NULL), then the prompts.
-            pairs_removed = 0
-            for chunk in _batches(paired_deletes):
-                marks = ",".join("?" for _ in chunk)
-                pairs_of = (
-                    "SELECT id FROM prompt_pairs "  # nosec B608
-                    f"WHERE positive_prompt_id IN ({marks})"
-                )
-                conn.execute(
-                    f"DELETE FROM image_prompt_pairs WHERE pair_id IN ({pairs_of})",
-                    chunk,
-                )
-                pairs_removed += conn.execute(
-                    "DELETE FROM prompt_pairs "  # nosec B608
-                    f"WHERE positive_prompt_id IN ({marks})",
-                    chunk,
-                ).rowcount
-            deleted = delete_prompt_rows(conn, [*deletes, *paired_deletes])
-            return {
-                "library_epoch": epoch,
-                "deleted": deleted,
-                "archived": len(archives),
-                "already_archived": len(classes["already_archived"]),
-                "not_archived": len(classes["not_archived"]),
-                "not_found": len(classes["not_found"]),
-                "changed": changed,
-                "image_links": image_links,
-                "pairs_removed": pairs_removed,
-            }
-
-    def restore_library_prompts(
-        self, prompt_ids: list[int], *, expected_epoch: str
-    ) -> dict:
-        """Put archived prompts back on the shelf, all or nothing.
-
-        Every requested id with an archive row is restored, whatever its
-        protection or Library parent state: restoring only un-hides it.
-        """
-        prompt_ids = self._checked_ids(prompt_ids, expected_epoch)
-        with self._pair_transaction() as conn:
-            epoch = self._library_epoch(conn, expected_epoch)
-            restored, existing = [], set()
-            for chunk in _batches(prompt_ids):
-                marks = ",".join("?" for _ in chunk)
-                for pid, archived in conn.execute(
-                    f"SELECT p.id,{_ARCHIVED} FROM prompts p "  # nosec B608
-                    f"WHERE p.id IN ({marks})",
-                    chunk,
-                ):
-                    existing.add(pid)
-                    if archived:
-                        restored.append(pid)
-            now = utc_now_iso()
-            conn.executemany(
-                f"DELETE FROM {ARCHIVE} WHERE prompt_id=?", [(pid,) for pid in restored]
-            )
-            conn.executemany(
-                "UPDATE prompts SET updated_at=? WHERE id=?",
-                [(now, pid) for pid in restored],
-            )
-            return {
-                "library_epoch": epoch,
-                "restored": len(restored),
-                "unchanged": len(existing) - len(restored),
-                "not_found": len(prompt_ids) - len(existing),
-            }
@@ -21,10 +21,6 @@ _UUID = re.compile(r"[0-9a-f]{8}(?:-[0-9a-f]{4}){3}-[0-9a-f]{12}")
 _TOKEN = re.compile(r"[0-9a-f]{64}")
 # Parent metadata stored on the prompt row; title lives in prompt_library_state.
 _PROMPT_COLUMNS = ("category", "rating", "notes")
-# Ids per IN (...) read: well under SQLite's oldest bound-parameter limit (999).
-_BULK_CHUNK = 500
-# The tags one prompt may carry: what the editor's save accepts (``validate_tags``).
-MAX_LIBRARY_TAGS = 20


 class LibraryCommandError(Exception):
@@ -89,13 +85,6 @@ def _validate_epoch(expected_epoch: str) -> None:
        raise ValueError("expected_epoch must be a canonical UUID")


-def _validate_bulk_ids(prompt_ids: list[int]) -> None:
-    if not isinstance(prompt_ids, list) or not prompt_ids:
-        raise ValueError("prompt_ids must be a non-empty list")
-    if any(type(pid) is not int or not 1 <= pid <= 2**63 - 1 for pid in prompt_ids):
-        raise ValueError("prompt_ids must be positive integers")
-
-
 def _validate_guards(positive_id: int, expected_epoch: str, if_match: str) -> None:
    if type(positive_id) is not int or not 1 <= positive_id <= 2**63 - 1:
        raise ValueError("Invalid positive prompt ID")
@@ -319,134 +308,3 @@ class LibraryCommandOperations:
                positive_created=False,
                pair_created=pair_created,
            )
-
-    def bulk_set_library_category(
-        self, prompt_ids: list[int], category: str, *, expected_epoch: str
-    ) -> dict:
-        """Set one category on many Library parents, all or nothing (#437).
-
-        Guarded by the storage epoch the page read. Only rows whose category
-        differs are written (their ``updated_at`` and edit token change) and
-        registered as Library parents, as the editor's PATCH does; ids
-        that are missing or are not Library parents count as not found.
-        """
-        _validate_epoch(expected_epoch)
-        _validate_bulk_ids(prompt_ids)
-        prompt_ids = list(dict.fromkeys(prompt_ids))
-        if not isinstance(category, str) or not category.strip():
-            raise ValueError("Category is required")
-        validate_category(category)
-        category = category.strip()
-        with self._pair_transaction() as conn:
-            epoch = self._library_epoch(conn, expected_epoch)
-            current = {}
-            for start in range(0, len(prompt_ids), _BULK_CHUNK):
-                chunk = prompt_ids[start : start + _BULK_CHUNK]
-                marks = ",".join("?" for _ in chunk)
-                current.update(
-                    conn.execute(
-                        f"SELECT p.id,p.category FROM prompts p "  # nosec B608
-                        f"WHERE p.id IN ({marks}) AND {_ELIGIBLE}",
-                        chunk,
-                    ).fetchall()
-                )
-            changed = [pid for pid, value in current.items() if value != category]
-            for pid in changed:
-                self._ensure_library_parent(conn, pid)
-            now = utc_now_iso()
-            conn.executemany(
-                "UPDATE prompts SET category=?,updated_at=? WHERE id=?",
-                [(category, now, pid) for pid in changed],
-            )
-            return {
-                "library_epoch": epoch,
-                "category": category,
-                "updated": len(changed),
-                "unchanged": len(current) - len(changed),
-                "not_found": len(prompt_ids) - len(current),
-            }
-
-    def bulk_add_library_tags(
-        self, prompt_ids: list[int], tags: list[str], *, expected_epoch: str
-    ) -> dict:
-        """Add tags to many Library parents, all or nothing (#442).
-
-        Names are normalized once (trim, the vocabulary name rules, casefold
-        repeats folded, at most 20). A parent is given only the names it lacks,
-        compared with ``casefold`` against its own tags; registry rows are
-        found and inserted by their exact name, and only for names some parent
-        gets. A parent whose tags would pass 20 is skipped (``over_limit``) so
-        the editor can still save it. Pair and image tags are not touched.
-        """
-        from .annotations import ImageTagLimitError, normalize_image_tags
-
-        _validate_epoch(expected_epoch)
-        _validate_bulk_ids(prompt_ids)
-        prompt_ids = list(dict.fromkeys(prompt_ids))
-        too_many = f"At most {MAX_LIBRARY_TAGS} tags can be added at once"
-        try:
-            tags = normalize_image_tags(tags)
-        except ImageTagLimitError:
-            # Its message names images; this is a prompt route.
-            raise ValueError(too_many) from None
-        if not tags:
-            raise ValueError("tags must name at least one tag")
-        if len(tags) > MAX_LIBRARY_TAGS:
-            raise ValueError(too_many)
-        with self._pair_transaction() as conn:
-            epoch = self._library_epoch(conn, expected_epoch)
-            held = self._library_parent_tags(conn, prompt_ids)
-            additions, over_limit = {}, 0
-            for pid, names in held.items():
-                present = {name.casefold() for name in names}
-                missing = [name for name in tags if name.casefold() not in present]
-                if not missing:
-                    continue
-                if len(names) + len(missing) > MAX_LIBRARY_TAGS:
-                    over_limit += 1
-                    continue
-                additions[pid] = missing
-            wanted = list(
-                dict.fromkeys(n for names in additions.values() for n in names)
-            )
-            tag_ids = self._ensure_tags(conn, wanted)
-            now = utc_now_iso()
-            for pid, names in additions.items():
-                conn.executemany(
-                    "INSERT OR IGNORE INTO prompt_tags (prompt_id, tag_id) "
-                    "VALUES (?, ?)",
-                    [(pid, tag_ids[name]) for name in names],
-                )
-                self._ensure_library_parent(conn, pid)
-                conn.execute("UPDATE prompts SET updated_at=? WHERE id=?", (now, pid))
-            return {
-                "library_epoch": epoch,
-                "tags": tags,
-                "updated": len(additions),
-                "unchanged": len(held) - len(additions) - over_limit,
-                "not_found": len(prompt_ids) - len(held),
-                "over_limit": over_limit,
-            }
-
-    def _library_parent_tags(
-        self, conn: sqlite3.Connection, prompt_ids: list[int]
-    ) -> dict[int, list[str]]:
-        """The Library parents among ``prompt_ids`` and their own tag names."""
-        held: dict[int, list[str]] = {}
-        for start in range(0, len(prompt_ids), _BULK_CHUNK):
-            chunk = prompt_ids[start : start + _BULK_CHUNK]
-            marks = ",".join("?" for _ in chunk)
-            for (pid,) in conn.execute(
-                f"SELECT p.id FROM prompts p WHERE p.id IN ({marks}) "  # nosec B608
-                f"AND {_ELIGIBLE}",
-                chunk,
-            ):
-                held[pid] = []
-            for pid, name in conn.execute(
-                "SELECT pt.prompt_id,t.name FROM prompt_tags pt "  # nosec B608
-                f"JOIN tags t ON t.id=pt.tag_id WHERE pt.prompt_id IN ({marks})",
-                chunk,
-            ):
-                if pid in held:
-                    held[pid].append(name)
-        return held
@@ -1,114 +0,0 @@
-"""Library output-folder filter (#444): folder names, root prefixes and listing.
-
-A folder is a ``/``-joined path relative to an output root, as Images' folder
-filter and the legacy ``/prompt_manager/subfolders`` name them. A parent
-matches a folder when one of its linked images (``generated_images.prompt_id``,
-the link its previews and image count read) lies in that folder or below it,
-under any spelling of any output root.
-
-Matching compares ``generated_images.file_path``, which is always
-``normcase(normpath(abspath(path)))`` (``models.normalize_image_path``), with
-prefixes built by the same normalization here, so case folding is the
-platform's own on both sides (Windows folds non-ASCII too, unlike SQLite's
-``lower()``) and the comparison is an exact ``substr`` with no wildcards.
-"""
-
-import os
-import sqlite3
-
-_MAX_FOLDER = 1024
-_MAX_PREFIXES = 64
-
-
-def normalize_folder(value: object, pathmod=os.path) -> str:
-    """The folder as ``a/b``, outer slashes dropped; empty means no filter.
-
-    ``/`` always separates. ``\\`` separates only on Windows (``ntpath``): on
-    POSIX it is an ordinary character of a folder's name, and the listing
-    (``relative_folder``) names such a folder with it, so both agree.
-    ``.``/``..``/empty segments, control characters and (on Windows) a drive
-    are refused: the value only ever names a folder below a root.
-    """
-    if not isinstance(value, str) or len(value) > _MAX_FOLDER:
-        raise ValueError(f"folder must be text of at most {_MAX_FOLDER} characters")
-    windows = pathmod.sep == "\\"
-    folder = (value.replace("\\", "/") if windows else value).strip("/")
-    if not folder:
-        return ""
-    parts = folder.split("/")
-    if (
-        any(part in ("", ".", "..") for part in parts)
-        or (windows and ":" in parts[0])
-        or any(ord(char) < 32 or ord(char) == 127 for char in folder)
-    ):
-        raise ValueError("folder must be a folder below an output root")
-    return folder
-
-
-def _base(root: object, pathmod) -> str:
-    return pathmod.normcase(pathmod.normpath(str(root)))
-
-
-def folder_prefixes(roots, folder: str, pathmod=os.path) -> list[str]:
-    """One ``file_path`` prefix per root spelling for a normalized folder."""
-    prefixes = []
-    for root in roots:
-        joined = pathmod.join(_base(root, pathmod), *folder.split("/"))
-        prefix = pathmod.normcase(pathmod.normpath(joined)) + pathmod.sep
-        if prefix not in prefixes:
-            prefixes.append(prefix)
-    if not prefixes or len(prefixes) > _MAX_PREFIXES:
-        raise ValueError("No output folder to filter by")
-    return prefixes
-
-
-def folder_condition(prefixes: list[str]) -> tuple[str, list]:
-    """A condition on alias ``p``: one linked image under any prefix."""
-    tests = " OR ".join("substr(fg.file_path,1,?)=?" for _ in prefixes)
-    params = [value for prefix in prefixes for value in (len(prefix), prefix)]
-    return (
-        "EXISTS(SELECT 1 FROM generated_images fg WHERE fg.prompt_id=p.id "
-        f"AND ({tests}))",
-        params,
-    )
-
-
-def relative_folder(image_path: str, roots, pathmod=os.path) -> str | None:
-    """The folder of *image_path* below the first root spelling holding it.
-
-    The spelling of the stored path is kept (its case on Windows); ``None``
-    for an image directly in a root or outside every root.
-    """
-    directory = pathmod.normpath(pathmod.dirname(image_path))
-    folded = pathmod.normcase(directory)
-    for root in roots:
-        base = _base(root, pathmod)
-        start = base if base.endswith(pathmod.sep) else base + pathmod.sep
-        if not folded.startswith(start):
-            continue
-        # normcase keeps the length for ordinary names; else show the folded form.
-        rest = (directory if len(directory) == len(folded) else folded)[len(start) :]
-        parts = rest.split(pathmod.sep)
-        if any(part in ("", ".", "..") for part in parts):
-            return None
-        return "/".join(parts)
-    return None
-
-
-def list_library_folders(
-    conn: sqlite3.Connection, roots, eligible: str, pathmod=os.path
-) -> list[str]:
-    """Every folder (and ancestor) holding an image of an eligible parent."""
-    folders = set()
-    for (image_path,) in conn.execute(
-        "SELECT DISTINCT g.image_path FROM generated_images g "
-        "JOIN prompts p ON p.id=g.prompt_id WHERE " + eligible
-    ):
-        if not isinstance(image_path, str) or not image_path:
-            continue
-        folder = relative_folder(image_path, roots, pathmod)
-        if folder is None:
-            continue
-        parts = folder.split("/")
-        folders.update("/".join(parts[:index]) for index in range(1, len(parts) + 1))
-    return sorted(folders, key=lambda value: (value.casefold(), value))
@@ -78,10 +78,6 @@ MESSAGES = {
    ),
    "same-folder": "The new folder is the node folder itself.",
    "target-invalid": "The new folder cannot hold the library.",
-    "data-dir-served": (
-        "The new folder is inside Prompt Manager's thumbnail folder. Nothing was "
-        "moved."
-    ),
    "target-has-library": (
        "The new folder already holds a Prompt Manager library. Nothing was moved."
    ),
@@ -594,7 +590,6 @@ class _Move:
            try:
                os.rmdir(self.plan.target_dir)
            except OSError:
-                # not empty or already gone: the undo leaves it alone
                pass


@@ -15,8 +15,6 @@ change:
  ``cleanup_orphaned_images``), counted only under a source that can be read
  now, as the health check's ``missing_files`` judges them
  (``health.link_states``). It deletes database rows only, never a file.
-  It also forgets the removal marks (#480) that hide nothing any more: the
-  file is gone or changed, under a readable source (#501, ``_stale_marks``).

 ``preview_maintenance`` reads one snapshot on its own ``mode=ro`` connection
 (``health.readonly_uri``) and closes it in ``finally``; files are looked at
@@ -43,16 +41,9 @@ from pathlib import Path

 from .execution_contexts import LIVE_HINT_CTES
 from .health import BATCH_ROWS, link_states, readable_roots, readonly_uri
-from .image_removal_schema import TABLE as MARKS_TABLE
-from .image_removal_schema import clear_marks, has_marks_table
 from .pairs import PairDependencyError
 from .workflow_documents import documents_of_rows, release_documents

-try:
-    from ..utils.hashing import register_prompt_functions
-except ImportError:
-    from utils.hashing import register_prompt_functions
-
 MAINTENANCE_OPERATIONS = (
    "duplicate_prompts",
    "optimize",
@@ -89,12 +80,6 @@ PROTECTIONS = (
        "with Library state (a title or an explicit parent)",
        "with Library state (a title or an explicit parent)",
    ),
-    (
-        # #443: an archived prompt is restorable, never pruned.
-        "EXISTS (SELECT 1 FROM prompt_archive pa WHERE pa.prompt_id = p.id)",
-        "archived in the Library",
-        "archived in the Library",
-    ),
    (
        "p.id IN (SELECT prompt_id FROM live_hint_prompts)",
        "used by recorded runs",
@@ -103,8 +88,7 @@ PROTECTIONS = (
 )

 # Exempt references: images, pairs, the __protected__ tag, Library parent
-# state, the Library archive, and live recorded-run hints (computed once,
-# see LIVE_HINT_CTES).
+# state, and live recorded-run hints (computed once, see LIVE_HINT_CTES).
 ORPHANED_PROMPTS_SQL = (
    "WITH "
    + LIVE_HINT_CTES
@@ -198,8 +182,6 @@ class MaintenanceDraft:
    protected: dict
    media: dict
    details: list = field(default_factory=list)
-    # missing_links only: locators of removal marks whose file is gone (#501).
-    marks: list = field(default_factory=list)

    def public(self):
        """The plan fields a response may carry (no fingerprint, no targets)."""
@@ -302,96 +284,11 @@ def _delete_ids(conn, table, ids):
    return removed


-def _mark_rows(conn, only=None):
-    """``[(locator, size, mtime_ns)]`` of the removal marks (all, or those
-    among *only*), sorted by locator."""
-    if not has_marks_table(conn):
-        return []
-    sql = f"SELECT locator, size, mtime_ns FROM {MARKS_TABLE}"  # nosec B608
-    if only is None:
-        return sorted(tuple(row) for row in conn.execute(sql))
-    found = []
-    for batch in _batches(sorted(only)):
-        found.extend(
-            tuple(row)
-            for row in conn.execute(
-                f"{sql} WHERE locator IN ({_marks(batch)})", batch  # nosec B608
-            )
-        )
-    return sorted(found)
-
-
-def _lists_something(folder):
-    """Whether *folder* holds at least one entry (an unplugged drive's mount
-    point, or an unbound volume, is an empty folder that reads fine)."""
-    try:
-        with os.scandir(folder) as entries:
-            return next(entries, None) is not None
-    except OSError:
-        return False
-
-
-def _name_listed(path):
-    """Whether *path*'s folder lists its name, compared under ``normcase``.
-
-    A locator is ``normcase``d; on a case-sensitive NTFS folder ``lstat`` of
-    the lower-cased spelling fails for a file that is there.
-    """
-    folder, name = os.path.split(path)
-    wanted = os.path.normcase(name)
-    try:
-        with os.scandir(folder) as entries:
-            return any(os.path.normcase(entry.name) == wanted for entry in entries)
-    except OSError:
-        return True  # cannot tell: keep the mark
-
-
-def _stale_mark(locator, size, mtime_ns):
-    """Whether the file of a mark is gone or has other bytes (blocking)."""
-    try:
-        info = os.lstat(locator)
-    except (FileNotFoundError, NotADirectoryError):
-        return os.path.isdir(os.path.dirname(locator)) and not _name_listed(locator)
-    except OSError:
-        return False
-    return (info.st_size, info.st_mtime_ns) != (size, mtime_ns)
-
-
-def _stale_marks(marks, roots):
-    """``[(locator, owner)]`` of the marks that hide nothing any more (#501).
-
-    *marks* are ``(locator, size, mtime_ns)`` rows. A mark is stale when its
-    file was changed, or is gone from a folder that still exists. Only marks
-    under a source that can be read now and lists something are judged (an
-    unplugged drive's marks, or its empty mount point's, stay); any doubt
-    keeps the mark. *owner* is the index of the longest source holding it.
-    Locators are ``normcase(realpath)`` paths, so the sources are too.
-    """
-    readable = readable_roots(roots)
-    prefixes = [
-        os.path.normcase(os.path.realpath(root)).rstrip("\\/") + os.sep
-        for root in roots
-    ]
-    judged = {}
-    stale = []
-    for locator, size, mtime_ns in marks:
-        owners = [i for i, prefix in enumerate(prefixes) if locator.startswith(prefix)]
-        if not owners:
-            continue  # under no source now (a source removed from the settings)
-        owner = max(owners, key=lambda i: len(prefixes[i]))
-        if owner not in judged:
-            judged[owner] = readable[owner] and _lists_something(roots[owner])
-        if judged[owner] and _stale_mark(locator, size, mtime_ns):
-            stale.append((locator, owner))
-    return stale
-
-
 def _read_snapshot(db_path, read):
    """``read(conn)`` on one ``mode=ro`` snapshot; the connection always closes."""
    conn = sqlite3.connect(readonly_uri(db_path), uri=True)
    try:
        conn.row_factory = sqlite3.Row
-        register_prompt_functions(conn)  # LIVE_HINT_CTES calls them (#460)
        conn.execute("BEGIN")  # one read snapshot for the whole plan
        return read(conn)
    finally:
@@ -528,11 +425,8 @@ class MaintenanceOperations:
        if operation == "workflow_storage":
            return self._plan_workflow_storage()
        if operation == "missing_links":
-            rows, marks = _read_snapshot(
-                self.model.db_path,
-                lambda conn: (self._link_rows(conn), _mark_rows(conn)),
-            )
-            return self._plan_missing_links(rows, roots, _stale_marks(marks, roots))
+            rows = _read_snapshot(self.model.db_path, self._link_rows)
+            return self._plan_missing_links(rows, roots)
        reader = (
            self._plan_duplicate_prompts
            if operation == "duplicate_prompts"
@@ -663,15 +557,13 @@ class MaintenanceOperations:
        )

    @staticmethod
-    def _links_fingerprint(candidates, stale=()):
+    def _links_fingerprint(candidates):
        fingerprint = _Fingerprint("missing_links")
        for row, owner in candidates:
            fingerprint.add([row[0], row[1], row[3], owner])
-        for locator, owner in stale:
-            fingerprint.add(["mark", locator, owner])
        return fingerprint.hexdigest()

-    def _plan_missing_links(self, rows, roots, stale=()):
+    def _plan_missing_links(self, rows, roots):
        readable = readable_roots(roots)
        candidates, unavailable, outside = [], 0, 0
        for row, owner, state in link_states(rows, roots, readable):
@@ -699,47 +591,29 @@ class MaintenanceOperations:
                )
            )
        count = len(candidates)
-        parts = []
-        if count:
-            parts.append(
-                _plural(count, "link to a missing file", "links to missing files")
-            )
-        if stale:
-            parts.append(
-                _plural(
-                    len(stale),
-                    "removed image whose file is gone or changed",
-                    "removed images whose files are gone or changed",
-                )
-            )
-        details = [
-            {
-                "label": _relative(row[1], roots[owner]),
-                "detail": f"{_source_name(roots[owner], owner)} · the file is missing",
-            }
-            for row, owner in candidates
-        ] + [
-            {
-                "label": _relative(locator, os.path.realpath(roots[owner])),
-                "detail": (
-                    f"{_source_name(roots[owner], owner)} · removed image, "
-                    "the file is gone or changed"
-                ),
-            }
-            for locator, owner in stale
-        ]
        return MaintenanceDraft(
            operation="missing_links",
-            fingerprint=self._links_fingerprint(candidates, stale),
+            fingerprint=self._links_fingerprint(candidates),
            targets=[row[0] for row, _owner in candidates],
            scope={
-                "count": count + len(stale),
-                "label": "; ".join(parts) or "No links to missing files",
+                "count": count,
+                "label": (
+                    _plural(count, "link to a missing file", "links to missing files")
+                    if count
+                    else "No links to missing files"
+                ),
            },
            protected={"count": unavailable + outside, "reasons": reasons},
            media={"deletes_files": False, "label": LINKS_ONLY},
-            details=details[:MAX_DETAILS],
-            marks=[locator for locator, _owner in stale],
+            details=[
+                {
+                    "label": _relative(row[1], roots[owner]),
+                    "detail": (
+                        f"{_source_name(roots[owner], owner)} · the file is missing"
+                    ),
+                }
+                for row, owner in candidates[:MAX_DETAILS]
+            ],
        )

    def _plan_optimize(self):
@@ -789,18 +663,14 @@ class MaintenanceOperations:

    # ── apply ─────────────────────────────────────────────────────────

-    def apply_maintenance(
-        self, operation, fingerprint, targets, roots=(), marks=()
-    ) -> dict:
+    def apply_maintenance(self, operation, fingerprint, targets, roots=()) -> dict:
        """Apply a reviewed plan exactly, or raise PlanChanged (blocking).

        Inside ``BEGIN IMMEDIATE`` the fingerprint is computed again on the
        write connection; when it differs nothing is written. ``targets`` and
        ``roots`` are the plan's. Returns ``{changed, rows}``: how many
        records changed and up to ``MAX_RESULT_ROWS`` descriptions of them
-        (``{prompt_id[, kept_id]}`` or ``{image_path}``). ``marks`` are a
-        missing-links plan's stale removal marks; that apply also returns
-        ``marks``, how many it forgot.
+        (``{prompt_id[, kept_id]}`` or ``{image_path}``).
        """
        if operation not in MAINTENANCE_OPERATIONS or operation == "workflow_storage":
            raise ValueError(f"Unknown maintenance operation {operation!r}")
@@ -813,12 +683,9 @@ class MaintenanceOperations:
        appliers = {
            "duplicate_prompts": self._apply_duplicate_prompts,
            "unused_components": self._apply_unused_components,
+            "missing_links": self._apply_missing_links,
        }
        with self._pair_transaction() as conn:
-            if operation == "missing_links":
-                return self._apply_missing_links(
-                    conn, fingerprint, targets, roots, list(marks)
-                )
            return appliers[operation](conn, fingerprint, targets, roots)

    def _apply_duplicate_prompts(self, conn, fingerprint, targets, _roots):
@@ -847,7 +714,7 @@ class MaintenanceOperations:
        ]
        return {"changed": changed, "rows": rows}

-    def _apply_missing_links(self, conn, fingerprint, targets, roots, marks):
+    def _apply_missing_links(self, conn, fingerprint, targets, roots):
        rows = []
        for batch in _batches(sorted(targets)):
            rows.extend(
@@ -864,14 +731,10 @@ class MaintenanceOperations:
            if state != "missing":  # back, or its source went away
                raise PlanChanged("missing_links")
            candidates.append((row, owner))
-        stale = _stale_marks(_mark_rows(conn, marks) if marks else [], roots)
-        if [locator for locator, _owner in stale] != marks:  # a mark went or is valid
-            raise PlanChanged("missing_links")
-        if self._links_fingerprint(candidates, stale) != fingerprint:
+        if self._links_fingerprint(candidates) != fingerprint:
            raise PlanChanged("missing_links")
        changed = _delete_ids(conn, "generated_images", [row[0] for row in rows])
        return {
            "changed": changed,
-            "marks": clear_marks(conn, marks),
            "rows": [{"image_path": row[1]} for row in rows[:MAX_RESULT_ROWS]],
        }
@@ -35,51 +35,38 @@ from __future__ import annotations

 import contextlib
 import logging
-import operator
-import sys
 import threading
 import time
 import weakref
-from collections import deque
-from typing import Any, Callable, Iterable, Iterator, List, Optional
+from typing import Iterable, Iterator, List, Optional

 import sqlite3

 CLOSED_MESSAGE = "Cannot operate on a closed database."
 # Rows fetched per step when a cursor is iterated: the connection is marked
 # in use once per chunk instead of once per row (iteration costs about what
-# a plain cursor costs). Prefetched rows belong to the cursor so iteration
-# and explicit fetches always advance the same position.
+# a plain cursor costs). A loop that stops early leaves up to this many rows
+# fetched; ``fetchone``/``fetchmany`` after a partial loop skip them.
 ITER_CHUNK = 128


 class ManagedCursor(sqlite3.Cursor):
    """A cursor whose calls into SQLite count as its connection being in use."""

-    def __init__(self, *args: Any, **kwargs: Any) -> None:
-        super().__init__(*args, **kwargs)
-        self._pending = deque()
-        self._closed = False
-
    def execute(self, sql, parameters=(), /):
-        return self._run_statement(super().execute, sql, parameters)
-
-    def executemany(self, sql, seq_of_parameters, /):
-        return self._run_statement(super().executemany, sql, seq_of_parameters)
-
-    def _run_statement(self, operation: Callable, *args: Any) -> ManagedCursor:
        conn = self.connection
        conn._enter()
-        description = self.description
-        completed = False
        try:
-            result = operation(*args)
-            completed = True
-            return result
+            return super().execute(sql, parameters)
+        finally:
+            conn._leave()
+
+    def executemany(self, sql, seq_of_parameters, /):
+        conn = self.connection
+        conn._enter()
+        try:
+            return super().executemany(sql, seq_of_parameters)
        finally:
-            # Argument parsing can fail before SQLite replaces the old statement.
-            if completed or self.description is not description:
-                self._pending.clear()
            conn._leave()

    def executescript(self, sql_script, /):
@@ -94,8 +81,6 @@ class ManagedCursor(sqlite3.Cursor):
        conn = self.connection
        conn._enter()
        try:
-            if self._pending and not self._closed:
-                return self._pending.popleft()
            return super().fetchone()
        finally:
            conn._leave()
@@ -104,20 +89,7 @@ class ManagedCursor(sqlite3.Cursor):
        conn = self.connection
        conn._enter()
        try:
-            # Let SQLite validate the original arguments, including version-specific
-            # handling of zero/negative sizes, before touching prefetched rows.
-            rows = super().fetchmany(*args, **kwargs)
-            if not self._pending:
-                return rows
-            size = operator.index(
-                kwargs.get("size", args[0] if args else self.arraysize)
-            )
-            # Python 3.12 reads all rows for size=0; 3.13+ reads none.
-            if size == 0 and sys.version_info >= (3, 13):
-                return rows
-            self._pending.extend(rows)
-            count = len(self._pending) if size <= 0 else min(size, len(self._pending))
-            return [self._pending.popleft() for _ in range(count)]
+            return super().fetchmany(*args, **kwargs)
        finally:
            conn._leave()

@@ -125,31 +97,25 @@ class ManagedCursor(sqlite3.Cursor):
        conn = self.connection
        conn._enter()
        try:
-            rows = super().fetchall()
-            pending = list(self._pending)
-            self._pending.clear()
-            return pending + rows
+            return super().fetchall()
        finally:
            conn._leave()

    def __iter__(self) -> Iterator:
-        return self
+        return self._chunks()
+
+    def _chunks(self) -> Iterator:
+        while True:
+            rows = self.fetchmany(ITER_CHUNK)
+            if not rows:
+                return
+            yield from rows

    def __next__(self):
        conn = self.connection
-        pending = self._pending
-        # Buffered Python rows need no SQLite lock, but retirement and cursor
-        # close must still stop an iterator obtained before either operation.
-        if conn._retired or self._closed:
-            raise sqlite3.ProgrammingError(CLOSED_MESSAGE)
-        if pending:
-            return pending.popleft()
        conn._enter()
        try:
-            pending.extend(super().fetchmany(ITER_CHUNK))
-            if not pending:
-                raise StopIteration
-            return pending.popleft()
+            return super().__next__()
        finally:
            conn._leave()

@@ -160,10 +126,7 @@ class ManagedCursor(sqlite3.Cursor):
        except sqlite3.ProgrammingError:
            return super().close()  # the connection is closed or closing
        try:
-            result = super().close()
-            self._pending = deque()
-            self._closed = True
-            return result
+            return super().close()
        finally:
            conn._leave()

@@ -330,9 +293,6 @@ class ManagedConnection(sqlite3.Connection):
            cursors = list(self._cursors)
        try:
            for cursor in cursors:
-                if isinstance(cursor, ManagedCursor):
-                    cursor._pending = deque()
-                    cursor._closed = True
                with contextlib.suppress(sqlite3.Error):
                    sqlite3.Cursor.close(cursor)
            super().close()
@@ -38,14 +38,7 @@ from .review_schema import (
    review_without_annotations_error,
 )
 from .saved_views import migrate_saved_views, saved_views_schema_error
-
-try:
-    from ..utils.hashing import register_prompt_functions
-except ImportError:
-    from utils.hashing import register_prompt_functions
 from .image_categories import image_categories_schema_error, migrate_image_categories
-from .image_removal_schema import image_removals_schema_error, migrate_image_removals
-from .prompt_archive import migrate_prompt_archive, prompt_archive_schema_error
 from .workflow_documents import (
    DOCUMENT_ID_COLUMNS,
    migrate_workflow_documents,
@@ -160,15 +153,12 @@ def configure_connection(conn: sqlite3.Connection) -> None:
    (common on Windows) let other writers' polling busy handlers starve past
    BUSY_TIMEOUT_SECONDS and fail with "database is locked" (#242). Without
    WAL (for example an in-memory database) SQLite's FULL default is kept.
-    It also registers the prompt-key SQL functions (register_prompt_functions).
    """
    journal_mode = conn.execute("PRAGMA journal_mode = WAL").fetchone()[0]
    conn.execute("PRAGMA foreign_keys = ON")
    conn.execute(f"PRAGMA busy_timeout = {BUSY_TIMEOUT_SECONDS * 1000}")
    if str(journal_mode).lower() == "wal":
        conn.execute("PRAGMA synchronous = NORMAL")
-    # History reads and the live-hint rule call Python's prompt key (#460)
-    register_prompt_functions(conn)


 class PromptModel:
@@ -368,10 +358,6 @@ class PromptModel:
        migrate_autotag_state(conn)
        # Image categories (#332): independent of every table above.
        migrate_image_categories(conn)
-        # The Library parent archive (#443): independent of every table above.
-        migrate_prompt_archive(conn)
-        # Removal marks (#480): independent of every table above.
-        migrate_image_removals(conn)
        # Last: the older generated_images rebuilds run only before file_path.
        migrate_workflow_documents(conn)

@@ -1248,16 +1234,6 @@ class PromptModel:
            )
            if categories_error:
                return False, categories_error
-            archive_error = prompt_archive_schema_error(
-                conn, allow_missing=not require_library_state
-            )
-            if archive_error:
-                return False, archive_error
-            removals_error = image_removals_schema_error(
-                conn, allow_missing=not require_library_state
-            )
-            if removals_error:
-                return False, removals_error
            views_error = saved_views_schema_error(
                conn, allow_missing=not require_library_state
            )
@@ -18,14 +18,12 @@ from .models import PromptModel, normalize_image_path, utc_now_iso
 from .pairs import PairDependencyError, PairOperations  # noqa: F401 (re-exported)
 from .library import LibraryOperations, titled
 from .image_favorites import ImageFavoriteOperations
-from .image_removal import ImageRemovalOperations, removed_from_library
 from .image_collections import ImageCollectionOperations
 from .annotations import AnnotationOperations
 from .review import ReviewOperations
 from .review_decisions import ReviewDecisionOperations
 from .saved_views import SavedViewOperations
 from .library_commands import LibraryCommandOperations
-from .library_archive import LibraryArchiveOperations, delete_prompt_rows
 from .vocabulary import VocabularyOperations
 from .execution_history import ExecutionHistoryOperations
 from .execution_contexts import ExecutionContextOperations
@@ -34,7 +32,7 @@ from .history_reads import HistoryReadOperations
 from .health import HealthOperations, iter_consistency_issues
 from .duplicate_copies import DuplicateCopyOperations
 from .workflow_storage import WorkflowStorageOperations
-from .category_import import CategoryImportOperations
+from .category_import import CategoryImportOperations, EmptyReplacement  # noqa: F401
 from .image_categories import ImageCategoryOperations
 from .workflow_documents import (
    DocumentReader,
@@ -450,7 +448,6 @@ class PromptDatabase(
    PairOperations,
    LibraryOperations,
    LibraryCommandOperations,
-    LibraryArchiveOperations,
    VocabularyOperations,
    ExecutionHistoryOperations,
    ExecutionContextOperations,
@@ -468,7 +465,6 @@ class PromptDatabase(
    WorkflowStorageOperations,
    CategoryImportOperations,
    ImageCategoryOperations,
-    ImageRemovalOperations,
 ):
    """Database operations class for managing prompts."""

@@ -1810,11 +1806,6 @@ class PromptDatabase(
        """
        if not isinstance(metadata, dict):
            metadata = {}
-        if removed_from_library(conn, image_path):
-            # #480: the user removed this exact file from the library; its
-            # bytes are unchanged, so nothing links it again.
-            self.logger.debug("Not linking a file removed from the library")
-            return 0
        filename = os.path.basename(image_path)
        file_path = normalize_image_path(image_path)
        file_size, width, height, image_format = _coerce_file_info(metadata)
@@ -2353,10 +2344,16 @@ class PromptDatabase(
        Returns:
            Number of prompts actually deleted.
        """
+        count = 0
        with self._pair_transaction() as conn:
            self._ensure_prompts_unpaired(conn, prompt_ids)
-            # The workspace Library's delete runs the same statements (#443).
-            count = delete_prompt_rows(conn, list(dict.fromkeys(prompt_ids)))
+            documents = documents_of_rows(conn, "prompt_id", prompt_ids)
+            for pid in prompt_ids:
+                conn.execute("DELETE FROM generated_images WHERE prompt_id = ?", (pid,))
+                cursor = conn.execute("DELETE FROM prompts WHERE id = ?", (pid,))
+                if cursor.rowcount > 0:
+                    count += 1
+            release_documents(conn, documents)
            conn.commit()
        return count

@@ -112,14 +112,8 @@ class PairOperations:
        tags: Optional[List[str]] = None,
        rating: Optional[int] = None,
        notes: Optional[str] = None,
-        fill_new_positive: bool = False,
    ) -> int:
-        """Save an ordered pair atomically; repeat saves preserve its metadata.
-
-        ``fill_new_positive`` also gives the positive prompt the category and
-        tags, only if this save inserted its row (#546). An existing prompt
-        never changes, so a cleared category stays cleared.
-        """
+        """Save an ordered pair atomically; repeat saves preserve its metadata."""
        with self._pair_transaction() as conn:
            return self._save_pair(
                conn,
@@ -130,7 +124,6 @@ class PairOperations:
                tags=tags,
                rating=rating,
                notes=notes,
-                fill_new_positive=fill_new_positive,
            )

    def _save_pair(
@@ -144,7 +137,6 @@ class PairOperations:
        tags: Optional[List[str]] = None,
        rating: Optional[int] = None,
        notes: Optional[str] = None,
-        fill_new_positive: bool = False,
    ) -> int:
        """Save an ordered pair atomically; repeat saves preserve its metadata."""
        if not isinstance(positive_text, str) or not positive_text.strip():
@@ -152,13 +144,8 @@ class PairOperations:
        if not isinstance(negative_text, str):
            raise ValueError("Negative prompt text must be a string; use '' for empty")
        # Validate metadata before any component insertion.
-        tags = _validate_metadata(title, category, tags, rating, notes)
-        positive, created = self._pair_component_outcome(conn, positive_text)
-        if created and fill_new_positive:
-            conn.execute(
-                "UPDATE prompts SET category = ? WHERE id = ?", (category, positive)
-            )
-            self._sync_prompt_tags(conn, positive, tags or [])
+        _validate_metadata(title, category, tags, rating, notes)
+        positive = self._pair_component(conn, positive_text)
        negative = (
            self._pair_component(conn, negative_text) if negative_text.strip() else None
        )
@@ -1,107 +0,0 @@
-"""Library parent archive (#443, D152): prompts hidden from the shelf, restorable.
-
-A row means the Library parent is archived; no row means it is on the shelf.
-Nothing else about the prompt changes: its text, metadata, tags, run count,
-image links, pairs and recorded runs stay. Restore deletes the row. Deleting
-the prompt (any path) drops the row by cascade.
-
-A table of its own, not a column: ``prompt_library_state`` is validated by its
-exact definition, so a new column there would make older builds refuse the
-upgraded database, while older builds ignore an unknown table (they show the
-archived prompts again and keep the rows). Optional in old backups, required
-once a database is current.
-"""
-
-import re
-import sqlite3
-
-TABLE = "prompt_archive"
-MAX_STAMP_BYTES = 64
-# What ``utc_now_iso`` writes starts with a date; anything else was not written here.
-_STAMP_GLOB = "[0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9]T*"
-_DDL = (
-    f"CREATE TABLE {TABLE} (prompt_id INTEGER PRIMARY KEY, "
-    "archived_at TEXT NOT NULL, "
-    "FOREIGN KEY(prompt_id) REFERENCES prompts(id) ON DELETE CASCADE)"
-)
-_COLUMNS = (("prompt_id", "INTEGER", 0, 1), ("archived_at", "TEXT", 1, 0))
-_FOREIGN_KEYS = {("prompt_id", "prompts", "id", "CASCADE")}
-# A predicate on ``p`` (the prompts alias): the parent is not archived.
-SHELVED = f"NOT EXISTS(SELECT 1 FROM {TABLE} pa WHERE pa.prompt_id=p.id)"
-ARCHIVED = f"EXISTS(SELECT 1 FROM {TABLE} pa WHERE pa.prompt_id=p.id)"
-
-
-def _compact(sql: str) -> str:
-    return re.sub(r"\s+", "", sql or "").lower()
-
-
-def _structure_error(conn: sqlite3.Connection, allow_missing: bool) -> str | None:
-    objects = conn.execute(
-        "SELECT type,sql FROM sqlite_master WHERE name=? "
-        "OR (type IN ('index','trigger') AND tbl_name=?)",
-        (TABLE, TABLE),
-    ).fetchall()
-    if not objects:
-        return None if allow_missing else "Missing prompt archive schema"
-    tables = [sql for kind, sql in objects if kind == "table"]
-    if len(tables) != 1 or len(objects) != 1:
-        return "Prompt archive name is reserved by an unsupported schema object"
-    if _compact(tables[0]) != _compact(_DDL):
-        return "Prompt archive has an invalid table definition"
-    columns = tuple(
-        (row[1], row[2].upper(), row[3], row[5])
-        for row in conn.execute(f"PRAGMA table_info({TABLE})")
-    )
-    if columns != _COLUMNS:
-        return "Prompt archive has invalid columns"
-    foreign_keys = {
-        (row[3], row[2], row[4], row[6])
-        for row in conn.execute(f"PRAGMA foreign_key_list({TABLE})")
-    }
-    if foreign_keys != _FOREIGN_KEYS:
-        return "Prompt archive has invalid foreign key definitions"
-    return None
-
-
-def prompt_archive_schema_error(
-    conn: sqlite3.Connection, *, allow_missing: bool = True
-) -> str | None:
-    """Reject an unsupported archive schema or values; reads only.
-
-    A missing table is acceptable for backups that predate it unless
-    ``allow_missing`` is false.
-    """
-    error = _structure_error(conn, allow_missing)
-    if error is not None:
-        return error
-    if not conn.execute(
-        "SELECT 1 FROM sqlite_master WHERE type='table' AND name=?", (TABLE,)
-    ).fetchone():
-        return None
-    if conn.execute(f"PRAGMA foreign_key_check({TABLE})").fetchone():
-        return "Prompt archive contains foreign key violations"
-    if conn.execute(
-        f"SELECT 1 FROM {TABLE} WHERE typeof(archived_at)!='text' "  # nosec B608
-        f"OR length(CAST(archived_at AS BLOB))>{MAX_STAMP_BYTES} "
-        f"OR archived_at NOT GLOB '{_STAMP_GLOB}' LIMIT 1"
-    ).fetchone():
-        return "Prompt archive contains invalid values"
-    return None
-
-
-def migrate_prompt_archive(conn: sqlite3.Connection) -> None:
-    """Install the table atomically; validate before and after (no backfill)."""
-    conn.execute("SAVEPOINT prompt_archive_schema")
-    try:
-        error = _structure_error(conn, True)
-        if error:
-            raise sqlite3.DatabaseError(error)
-        conn.execute(_DDL.replace("CREATE TABLE", "CREATE TABLE IF NOT EXISTS", 1))
-        error = _structure_error(conn, False)
-        if error:
-            raise sqlite3.DatabaseError(error)
-        conn.execute("RELEASE prompt_archive_schema")
-    except BaseException:
-        conn.execute("ROLLBACK TO prompt_archive_schema")
-        conn.execute("RELEASE prompt_archive_schema")
-        raise
@@ -149,7 +149,6 @@ def library_summary(conn: sqlite3.Connection) -> Dict[str, int]:
    collections (#331).
    """
    from .library import _ELIGIBLE
-    from .prompt_archive import SHELVED, TABLE as ARCHIVE

    has_state = conn.execute(
        "SELECT 1 FROM sqlite_master WHERE type='table' AND "
@@ -158,15 +157,9 @@ def library_summary(conn: sqlite3.Connection) -> Dict[str, int]:
    has_pairs = conn.execute(
        "SELECT 1 FROM sqlite_master WHERE type='table' AND name='prompt_pairs'"
    ).fetchone()
-    has_archive = conn.execute(
-        "SELECT 1 FROM sqlite_master WHERE type='table' AND name=?", (ARCHIVE,)
-    ).fetchone()
    if has_state and has_pairs:
-        # Archived parents (#443) are off the shelf, as in library_counts.
        positives = conn.execute(
-            "SELECT COUNT(*) FROM prompts p WHERE "
-            + _ELIGIBLE
-            + (" AND " + SHELVED if has_archive else "")
+            "SELECT COUNT(*) FROM prompts p WHERE " + _ELIGIBLE
        ).fetchone()[0]
    else:
        positives = _count(conn, "prompts")
@@ -5,12 +5,8 @@ A decision is one row of ``media_review_decisions`` for one item revision.
 ingester's compatible-only rules (``_ingest_resolved_pair_in``) in the same
 ``_pair_transaction`` as the decision row, the item's new state and revision
 and the review index revision; any conflict or later failure rolls all of it
-back. ``manual`` (#536) is the same but for a Library prompt the reviewer chose:
-its link's provenance names a manual choice and carries no prompt sides, so it
-cannot pose as file evidence, and the decision's ``candidate_hash`` (the table
-requires one) is the digest of that choice. ``unresolved`` records the decision
-and links nothing. No decision counts a run, touches usage or calls an execution
-writer.
+back. ``unresolved`` records the decision and links nothing. No decision
+counts a run, touches usage or calls an execution writer.

 Callers verify the file first (the capture must be the item's bytes and the
 current file must still hash to them); nothing here reads the filesystem.
@@ -21,7 +17,6 @@ import sqlite3

 from .annotation_schema import BYTES_TABLE
 from .annotations import _new_id
-from .library import _ELIGIBLE, _FROM, SHELVED
 from .library_commands import LibraryCommandError
 from .models import utc_now_iso
 from .review import (
@@ -35,28 +30,9 @@ from .review import (
    same_name_rows,
 )
 from .review_changes import notify_review_change
-from .review_schema import (
-    DECISIONS_TABLE,
-    ITEMS_TABLE,
-    canonical_evidence,
-    evidence_digest,
-)
+from .review_schema import DECISIONS_TABLE, ITEMS_TABLE, canonical_evidence

 DECISION_KIND = "user-selection"
-MANUAL_KIND = "manual-link"
-_MANUAL_POSITIVE = (
-    f"SELECT p.id,p.text FROM {_FROM} "  # nosec B608
-    f"WHERE p.id=? AND {_ELIGIBLE} AND {SHELVED}"
-)
-_MANUAL_PAIR = (
-    "SELECT COALESCE(n.text,'') AS negative FROM prompt_pairs pp "
-    "LEFT JOIN prompts n ON n.id=pp.negative_prompt_id "
-    "WHERE pp.id=? AND pp.positive_prompt_id=? AND pp.archived=0"
-)
-_ARCHIVED_BARE_PAIR = (
-    "SELECT 1 FROM prompt_pairs WHERE positive_prompt_id=? "
-    "AND negative_prompt_id IS NULL AND archived=1"
-)
 _INSERT_DECISION = (
    f"INSERT INTO {DECISIONS_TABLE}(id,item_id,decision_revision,"  # nosec B608
    "created_at,outcome,candidate_hash,evidence,pair_id,image_id) "
@@ -83,8 +59,6 @@ class ReviewCommandError(LibraryCommandError):
    ``fingerprint`` the current dependency fingerprint, when known;
    ``changed`` marks an association conflict caused by links that changed
    since the reviewer read them (rather than an incompatible choice).
-    ``prompt-missing``: the Library prompt or recipe of a manual link is gone,
-    archived or not that prompt's.
    """

    def __init__(
@@ -119,7 +93,6 @@ class ReviewDecisionOperations:
        sha256: str,
        outcome: str,
        candidate: dict | None = None,
-        manual: dict | None = None,
        image_path: str | None = None,
        metadata: dict | None = None,
        expected_fingerprint: str | None = None,
@@ -128,9 +101,7 @@ class ReviewDecisionOperations:
    ) -> dict:
        """Record the decision; return ``{item, total, pair}``.

-        ``selected`` needs the evidence ``candidate`` (with its ``hash``) or
-        ``manual`` (``{positive_id, pair_id}``; a null ``pair_id`` is no
-        negative), the
+        ``selected`` needs the evidence ``candidate`` (with its ``hash``), the
        ``image_path`` the scan and the monitor link under, the captured
        ``metadata`` and the ``expected_fingerprint`` the reviewer saw.
        ``aliases`` are the other spellings legacy rows of the same physical
@@ -144,12 +115,9 @@ class ReviewDecisionOperations:
        if outcome not in ("selected", "unresolved"):
            raise ValueError("outcome must be selected or unresolved")
        if outcome == "selected" and (
-            (not isinstance(candidate, dict)) == (not isinstance(manual, dict))
-            or not image_path
+            not isinstance(candidate, dict) or not image_path
        ):
-            raise ValueError(
-                "A selected decision needs one candidate or manual choice and a file"
-            )
+            raise ValueError("A selected decision needs a candidate and a file")
        try:
            with self._pair_transaction() as conn:
                decided = self._decide_in(
@@ -160,7 +128,6 @@ class ReviewDecisionOperations:
                    sha256=sha256,
                    outcome=outcome,
                    candidate=candidate,
-                    manual=manual,
                    image_path=image_path,
                    metadata=metadata or {},
                    expected_fingerprint=expected_fingerprint,
@@ -191,24 +158,13 @@ class ReviewDecisionOperations:
            raise _Rollback(ReviewCommandError("file-changed", epoch))
        decision_id = _new_id()
        pair = None
-        selected = command["outcome"] == "selected"
-        candidate = command["candidate"] if selected else None
-        manual = command["manual"] if selected else None
-        candidate_hash = candidate["hash"] if candidate is not None else None
+        candidate = command["candidate"] if command["outcome"] == "selected" else None
        if candidate is not None:
            pair = self._apply_candidate(
                conn, epoch, current, decision_id, total, **command
            )
-        elif manual is not None:
-            pair = self._apply_manual(
-                conn, epoch, current, decision_id, total, **command
-            )
-            manual = {"positive_id": manual["positive_id"], "pair_id": pair["id"]}
-            candidate_hash = evidence_digest(
-                canonical_evidence({"kind": MANUAL_KIND, **manual})
-            )
        evidence = {
-            "kind": MANUAL_KIND if manual is not None else DECISION_KIND,
+            "kind": DECISION_KIND,
            "decision_id": decision_id,
            "outcome": command["outcome"],
            "reviewed_digest": command["sha256"],
@@ -218,8 +174,6 @@ class ReviewDecisionOperations:
            "dependency_fingerprint": command["expected_fingerprint"],
            "pair": pair,
        }
-        if manual is not None:
-            evidence["manual"] = manual
        now = utc_now_iso()
        self._insert_review_decision(
            conn,
@@ -229,7 +183,7 @@ class ReviewDecisionOperations:
                current["revision"] + 1,
                now,
                command["outcome"],
-                candidate_hash,
+                candidate["hash"] if candidate is not None else None,
                canonical_evidence(evidence),
                pair["id"] if pair else None,
                pair["image_id"] if pair else None,
@@ -250,77 +204,6 @@ class ReviewDecisionOperations:
        self, conn, epoch, current, decision_id, total, **command
    ) -> dict:
        """Link the candidate's pair, compatible-only; raise on any conflict."""
-        candidate = command["candidate"]
-        positive, negative = candidate["positive"], candidate["negative"]
-        provenance = {
-            "kind": DECISION_KIND,
-            "decision_id": decision_id,
-            "reviewed_digest": command["sha256"],
-            "candidate_hash": candidate["hash"],
-            "resolver_version": current["resolver_version"],
-            "positive": positive,
-            "negative": negative,
-        }
-        return self._link_compatible(
-            conn, epoch, current, total, positive, negative, provenance, command
-        )
-
-    def _apply_manual(self, conn, epoch, current, decision_id, total, **command):
-        """Link the chosen Library prompt, compatible-only; raise otherwise."""
-        missing = _Rollback(
-            ReviewCommandError("prompt-missing", epoch, item=current, total=total)
-        )
-        positive_id = command["manual"]["positive_id"]
-        pair_id = command["manual"]["pair_id"]
-        row = conn.execute(_MANUAL_POSITIVE, (positive_id,)).fetchone()
-        if row is None:
-            raise missing
-        positive_text, negative_text = row[1], ""
-        if pair_id is not None:
-            chosen = conn.execute(_MANUAL_PAIR, (pair_id, positive_id)).fetchone()
-            if chosen is None:
-                raise missing
-            negative_text = chosen[0]
-        elif conn.execute(_ARCHIVED_BARE_PAIR, (positive_id,)).fetchone():
-            raise missing
-        provenance = {
-            "kind": MANUAL_KIND,
-            "decision_id": decision_id,
-            "reviewed_digest": command["sha256"],
-            "resolver_version": current["resolver_version"],
-            "positive_id": positive_id,
-            "pair_id": pair_id,
-        }
-        # The sides name no provenance: only the ingester reads them.
-        pair = self._link_compatible(
-            conn,
-            epoch,
-            current,
-            total,
-            {"text": positive_text},
-            {"text": negative_text},
-            provenance,
-            command,
-        )
-        # A prompt whose stored hash is stale reaches another row: never link that.
-        reached = conn.execute(
-            "SELECT positive_prompt_id FROM prompt_pairs WHERE id=?", (pair["id"],)
-        ).fetchone()[0]
-        if reached != positive_id or pair_id not in (None, pair["id"]):
-            raise missing
-        return pair
-
-    def _link_compatible(
-        self,
-        conn,
-        epoch,
-        current,
-        total,
-        positive,
-        negative,
-        provenance,
-        command,
-    ) -> dict:
        # Imported here: pair_ingestion imports operations, which composes this.
        from .pair_ingestion import _ingest_resolved_pair_in

@@ -359,6 +242,17 @@ class ReviewDecisionOperations:
            # Enrich the one row of this file under the spelling it was
            # linked with, so the ingester's compatibility rules see it.
            image_path = rows[0][1]
+        candidate = command["candidate"]
+        positive, negative = candidate["positive"], candidate["negative"]
+        provenance = {
+            "kind": DECISION_KIND,
+            "decision_id": decision_id,
+            "reviewed_digest": command["sha256"],
+            "candidate_hash": candidate["hash"],
+            "resolver_version": current["resolver_version"],
+            "positive": positive,
+            "negative": negative,
+        }
        result = _ingest_resolved_pair_in(
            conn,
            self,
@@ -46,7 +46,6 @@ def remove_quietly(*paths):
            if path and os.path.exists(path):
                os.remove(path)
        except OSError:
-            # cleanup after a failure must not replace that failure
            pass


@@ -33,9 +33,6 @@ MAX_TAG_LENGTH = 50
 _IMAGE_SORTS = ("newest", "oldest", "name", "name-desc", "rating")
 _LIBRARY_SORTS = ("newest", "oldest", "name", "rating")
 _MEDIA = ("all", "image", "video")
-# How a Library view's Tags match (#444): every tag, any of them, or parents
-# without tags ("untagged" never goes with tags; the listing refuses both).
-_TAG_MODES = ("all", "any", "untagged")
 _CONTROL = re.compile(r"[\x00-\x1f\x7f]")
 _SOURCE = re.compile(r"all|0|[1-9][0-9]{0,8}")
 # A collection id as the listing's ``collection`` query takes it (#331): none
@@ -70,9 +67,6 @@ _STATE_FIELDS = {
        "category": ("text", 100, ""),
        "sort": ("choice", _LIBRARY_SORTS, "newest"),
        "tags": ("tags", None, ()),
-        # #444: the Tags match and the output folder (relative, "/"-joined).
-        "tag_mode": ("choice", _TAG_MODES, "all"),
-        "folder": ("text", 1024, ""),
    },
 }

@@ -158,8 +152,6 @@ def encode_state(page: object, state: object) -> str:
        _validate_value(key, kind, limit, state[key])
    if state.get("favorites") is True and state.get("collection"):
        raise SavedViewInvalid("A view cannot filter by favorites and a collection")
-    if state.get("tag_mode") == "untagged" and state.get("tags"):
-        raise SavedViewInvalid("A view cannot list untagged prompts and filter tags")
    encoded = json.dumps(
        {key: state[key] for key in fields}, ensure_ascii=False, separators=(",", ":")
    )
@@ -203,9 +195,6 @@ def normalize_state(page: str, raw: object) -> dict:
    # as the listing does for a URL with both (#331 D140).
    if state.get("favorites") is True and state.get("collection"):
        state["favorites"] = False
-    # Never written by this build either: the tags win.
-    if state.get("tag_mode") == "untagged" and state.get("tags"):
-        state["tag_mode"] = "all"
    return state


@@ -20,8 +20,7 @@ counted, hashed into the token and renamed with the prompts and pairs.

 import sqlite3

-from .library import _ELIGIBLE, SHELVED_PAIR, UNTAGGED, _escape, _limit
-from .prompt_archive import SHELVED
+from .library import _ELIGIBLE, _limit
 from .library_commands import _TOKEN, LibraryCommandError, _validate_epoch
 from .library_tokens import canonical_token
 from .models import utc_now_iso
@@ -39,75 +38,30 @@ _IMAGE_FILES = (
 )


-def _tag_rows(page: str, order: str = "page.id") -> str:
+def _tag_rows(page: str) -> str:
    """Count rows for the registry rows selected by ``page`` (id, name)."""
-    # Eligible parent components on the shelf carrying a tag in the page,
-    # plus the positive parent of every active pair carrying it (always
-    # eligible) when that parent is on the shelf: archived parents (#443)
-    # are hidden with their pairs, so Browse lists what was counted.
+    # Eligible parent components carrying a tag in the page, plus the
+    # positive parent of every active pair carrying it (always eligible).
    return (
        "WITH page AS (" + page + "),"
        "owners(tag_id,pid) AS ("
        "SELECT pt.tag_id,p.id FROM prompts p "
        "JOIN prompt_tags pt ON pt.prompt_id=p.id "
        "WHERE pt.tag_id IN (SELECT id FROM page) AND " + _ELIGIBLE + " "
-        "AND " + SHELVED + " "
        "UNION SELECT ppt.tag_id,pp.positive_prompt_id FROM prompt_pairs pp "
        "JOIN prompt_pair_tags ppt ON ppt.pair_id=pp.id "
-        "WHERE pp.archived=0 AND " + SHELVED_PAIR + " "
-        "AND ppt.tag_id IN (SELECT id FROM page)),"
+        "WHERE pp.archived=0 AND ppt.tag_id IN (SELECT id FROM page)),"
        "images(tag_id,n) AS (" + _IMAGE_FILES + " "
        "WHERE mit.tag_id IN (SELECT id FROM page) GROUP BY mit.tag_id) "
        "SELECT page.id,page.name,COUNT(DISTINCT owners.pid) AS prompt_count,"
        "COALESCE(MAX(images.n),0) AS image_count "
        "FROM page LEFT JOIN owners ON owners.tag_id=page.id "
        "LEFT JOIN images ON images.tag_id=page.id "
-        "GROUP BY page.id ORDER BY " + order
+        "GROUP BY page.id ORDER BY page.id"
    )


-# #444 tag sorts: sort -> (key expression on tags/counted, direction). Ties and
-# "created" follow the id, so every order is total and keyset pages are exact.
-TAG_SORTS = {
-    "created": (None, "ASC"),
-    "name": ("name COLLATE NOCASE", "ASC"),
-    "name-desc": ("name COLLATE NOCASE", "DESC"),
-    "prompts": ("prompt_count", "DESC"),
-    "prompts-asc": ("prompt_count", "ASC"),
-}
-_MAX_SEARCH = 200
-_TAG_SEARCH = "name LIKE ? ESCAPE '\\'"
-# Every matching tag ranked by the prompt count its row shows (the owners rule
-# of ``_tag_rows``), then one keyset page of it with its image counts.
-_RANKED_TAG_PAGE = (
-    "WITH owners(tag_id,pid) AS ("
-    "SELECT pt.tag_id,p.id FROM prompts p "
-    "JOIN prompt_tags pt ON pt.prompt_id=p.id WHERE " + _ELIGIBLE + " "
-    "AND " + SHELVED + " "
-    "UNION SELECT ppt.tag_id,pp.positive_prompt_id FROM prompt_pairs pp "
-    "JOIN prompt_pair_tags ppt ON ppt.pair_id=pp.id WHERE pp.archived=0 "
-    "AND " + SHELVED_PAIR + "),"
-    "counted AS (SELECT t.id,t.name,COUNT(DISTINCT o.pid) AS prompt_count "
-    "FROM tags t LEFT JOIN owners o ON o.tag_id=t.id WHERE {search} "
-    "GROUP BY t.id),"
-    "page AS (SELECT id,name,prompt_count FROM counted WHERE {after} "
-    "ORDER BY prompt_count {direction},id LIMIT ?),"
-    "images(tag_id,n) AS (" + _IMAGE_FILES + " "
-    "WHERE mit.tag_id IN (SELECT id FROM page) GROUP BY mit.tag_id) "
-    "SELECT page.id,page.name,page.prompt_count,"
-    "COALESCE(images.n,0) AS image_count FROM page "
-    "LEFT JOIN images ON images.tag_id=page.id "
-    "ORDER BY page.prompt_count {direction},page.id"
-)
-_UNTAGGED_COUNT = (
-    "SELECT COUNT(*) FROM prompts p WHERE ("
-    + _ELIGIBLE
-    + ") AND "
-    + UNTAGGED
-    # Untagged prompts opens the shelf, which hides archived parents (#443).
-    + " AND "
-    + SHELVED
-)
+_TAG_PAGE = _tag_rows("SELECT id,name FROM tags WHERE id>? ORDER BY id LIMIT ?")
 _TAG_ONE = _tag_rows("SELECT id,name FROM tags WHERE id=?")
 # Every owner kind a tag can sit on, for the delete confirmation.
 _TAG_IMPACT = (
@@ -146,9 +100,7 @@ def _validate_tag_id(tag_id: object) -> None:


 # Category values in Tags & categories (#332 §7): the prompt-backed values
-# (nonblank values on eligible parents or on active pairs; ``prompt_count``
-# counts only parents on the shelf, so a value only archived parents (#443)
-# hold stays listed with 0, as a tag does; grouped exactly, so
+# (nonblank values on eligible parents or on active pairs, grouped exactly, so
 # whitespace and case variants stay distinct; /library/options lists the same
 # prompt-backed set with its own query) plus the values only image rows hold.
 # A prompt-backed value is ordered by its oldest owning positive; an image-only
@@ -157,17 +109,15 @@ def _validate_tag_id(tag_id: object) -> None:
 # files missing on disk. No FULL OUTER JOIN, so it runs on SQLite 3.31+.
 _IMAGE_ONLY_FIRST_PID = 2**63 - 1
 _CATEGORY_ROWS = (
-    "WITH owners(value,pid,shelved) AS ("
-    "SELECT p.category,p.id," + SHELVED + " FROM prompts p "
-    "WHERE p.category IS NOT NULL AND TRIM(p.category)!='' AND " + _ELIGIBLE + " "
-    "UNION SELECT pp.category,pp.positive_prompt_id," + SHELVED_PAIR + " "
-    "FROM prompt_pairs pp "
+    "WITH owners(value,pid) AS ("
+    "SELECT p.category,p.id FROM prompts p WHERE p.category IS NOT NULL "
+    "AND TRIM(p.category)!='' AND " + _ELIGIBLE + " "
+    "UNION SELECT pp.category,pp.positive_prompt_id FROM prompt_pairs pp "
    "WHERE pp.archived=0 AND pp.category IS NOT NULL AND TRIM(pp.category)!=''),"
    "image_values(value,image_count) AS ("
    "SELECT category,COUNT(*) FROM image_categories GROUP BY category),"
    "grouped(value,first_pid,prompt_count) AS ("
-    "SELECT value,MIN(pid),COUNT(DISTINCT CASE WHEN shelved THEN pid END) "
-    "FROM owners GROUP BY value "
+    "SELECT value,MIN(pid),COUNT(DISTINCT pid) FROM owners GROUP BY value "
    "UNION ALL SELECT value," + str(_IMAGE_ONLY_FIRST_PID) + ",0 FROM image_values "
    "WHERE value NOT IN (SELECT value FROM owners)),"
    "counted AS (SELECT g.value,g.first_pid,g.prompt_count,"
@@ -260,28 +210,6 @@ def _tag_after(after: object) -> int:
    return after


-def _tag_search(search: object) -> str:
-    if not isinstance(search, str) or len(search) > _MAX_SEARCH:
-        raise ValueError(f"Tag search must be text of at most {_MAX_SEARCH} characters")
-    return search.strip()
-
-
-def _sorted_tag_after(after: object, sort: str) -> tuple | None:
-    """The ``[key, id]`` cursor of a name or prompt-count sort."""
-    if after is None:
-        return None
-    key_type = str if sort.startswith("name") else int
-    if (
-        not isinstance(after, list)
-        or len(after) != 2
-        or type(after[0]) is not key_type
-        or type(after[1]) is not int
-        or after[1] <= 0
-    ):
-        raise ValueError("Invalid vocabulary cursor")
-    return after[0], after[1]
-
-
 def _category_after(after: object) -> tuple[int, str] | None:
    if after is None:
        return None
@@ -503,80 +431,22 @@ class VocabularyOperations:
        epoch: str,
        *,
        limit: int = 100,
-        after: object = None,
-        search: str = "",
-        sort: str = "created",
+        after: int | None = None,
    ) -> dict:
-        """One page of tags matching ``search`` (a literal, case-insensitive
-        substring) in ``sort`` order, with the untagged parents' count."""
        _limit(limit)
-        search = _tag_search(search)
-        if not isinstance(sort, str) or sort not in TAG_SORTS:
-            raise ValueError("sort must be one of " + ", ".join(TAG_SORTS))
-        where, params = "1=1", []
-        if search:
-            where, params = _TAG_SEARCH, [f"%{_escape(search)}%"]
-        total, untagged = conn.execute(
-            f"SELECT (SELECT COUNT(*) FROM tags WHERE {where}),({_UNTAGGED_COUNT})",
-            params,
-        ).fetchone()
-        rows = [
-            dict(row) for row in self._tag_page(conn, where, params, sort, after, limit)
-        ]
+        start = _tag_after(after)
+        total = conn.execute("SELECT COUNT(*) FROM tags").fetchone()[0]
+        rows = [dict(row) for row in conn.execute(_TAG_PAGE, (start, limit + 1))]
        has_more = len(rows) > limit
        rows = rows[:limit]
-        key, _direction = TAG_SORTS[sort]
-        next_key = None
-        if has_more:
-            last = rows[-1]
-            next_key = (
-                last["id"]
-                if key is None
-                else [
-                    last["prompt_count" if key == "prompt_count" else "name"],
-                    last["id"],
-                ]
-            )
        return {
            "library_epoch": epoch,
            "tags": rows,
            "total": total,
-            "untagged_count": untagged,
-            # Echoed so a client can tell this read applied its search and sort.
-            "search": search,
-            "sort": sort,
            "has_more": has_more,
-            "next_key": next_key,
+            "next_key": rows[-1]["id"] if has_more else None,
        }

-    @staticmethod
-    def _tag_page(conn, where, params, sort, after, limit):
-        key, direction = TAG_SORTS[sort]
-        if key is None:
-            page = (
-                f"SELECT id,name FROM tags WHERE {where} AND id>? ORDER BY id LIMIT ?"
-            )
-            return conn.execute(
-                _tag_rows(page), [*params, _tag_after(after), limit + 1]
-            )
-        cursor = _sorted_tag_after(after, sort)
-        operator = ">" if direction == "ASC" else "<"
-        keyset, keys = "1=1", []
-        if cursor is not None:
-            keyset = f"({key}{operator}? OR ({key}=? AND id>?))"
-            keys = [cursor[0], cursor[0], cursor[1]]
-        if key == "prompt_count":
-            sql = _RANKED_TAG_PAGE.format(
-                search=where, after=keyset, direction=direction
-            )
-            return conn.execute(sql, [*params, *keys, limit + 1])
-        page = (
-            f"SELECT id,name FROM tags WHERE {where} AND {keyset} "
-            f"ORDER BY {key} {direction},id LIMIT ?"
-        )
-        order = f"page.{key} {direction},page.id"
-        return conn.execute(_tag_rows(page, order), [*params, *keys, limit + 1])
-
    def _vocabulary_categories(
        self,
        conn: sqlite3.Connection,
@@ -620,18 +490,9 @@ class VocabularyOperations:
            ),
        }

-    def list_vocabulary_tags(
-        self,
-        *,
-        limit: int = 100,
-        after: object = None,
-        search: str = "",
-        sort: str = "created",
-    ):
+    def list_vocabulary_tags(self, *, limit: int = 100, after: int | None = None):
        with self.library_snapshot() as (conn, epoch, _ceiling):
-            return self._vocabulary_tags(
-                conn, epoch, limit=limit, after=after, search=search, sort=sort
-            )
+            return self._vocabulary_tags(conn, epoch, limit=limit, after=after)

    def list_vocabulary_categories(
        self, *, limit: int = 100, after: list | None = None
@@ -12,8 +12,7 @@ code. This plan proposes implementation order and acceptance gates.
 - The native Prompt Library merged in [#210](https://github.com/ComfyAssets/ComfyUI_PromptManager/pull/210) for [#208](https://github.com/ComfyAssets/ComfyUI_PromptManager/issues/208): one positive parent, saved negative variants, full selected text and a shared filtered image gallery. It does not invent chronological runs from counters or scan dates.
 - [Durable history storage](prompt-history-storage.md) records job attempts and outcomes from [#212](https://github.com/ComfyAssets/ComfyUI_PromptManager/pull/212), frozen prompt contexts from [#213](https://github.com/ComfyAssets/ComfyUI_PromptManager/pull/213), and observed run-owned output locators from [#214](https://github.com/ComfyAssets/ComfyUI_PromptManager/pull/214). Those locators do not verify file bytes or establish gallery-image associations. That association contract and the chronological execution timeline remain pending under [#209](https://github.com/ComfyAssets/ComfyUI_PromptManager/issues/209).
 - [#215](https://github.com/ComfyAssets/ComfyUI_PromptManager/issues/215) brings the shell, Images and natural-height Prompt Library presentation into the approved geometry and themes while retaining their existing operations. [#216](https://github.com/ComfyAssets/ComfyUI_PromptManager/issues/216) adds the shared current-file inspector with exact generation facts, scoped provenance, raw/download evidence and loaded-collection viewer controls, including a slideshow that pauses at native video. This delivery does not establish whole-application parity, change the default entry point or constitute a release. Recorded chronological run/context browsing continues under [#209](https://github.com/ComfyAssets/ComfyUI_PromptManager/issues/209); image tagging/review, System consolidation and remaining organization capabilities continue under #196.
- Local Inspect (#249, PRs L1–L3) replaces the `#/inspect` handoff with the concept's native "Inspect a file" page: one local image or video previews inline and opens the shared viewer and full inspector on a record read entirely in the browser, with nothing uploaded, imported or stored. The legacy metadata page (`web/metadata.html`, served at `/prompt_manager/gallery.html`) stays reachable from Overview; its capabilities map to the shared inspector, including its one-click COPY ALL summary, which is the shared inspector's "Copy settings summary" (D117, LI-4). PR L3 ([#286](https://github.com/ComfyAssets/ComfyUI_PromptManager/pull/286)) shipped that button and local roles equal to the server's resolver (`web/js/workspace/local-resolver.mjs`, TESTING.md "Local roles (#249 PR L3, decision LI-1)"). Recorded deviations D60–D66 and D117 are in [TESTING.md](../TESTING.md).
- Collections ([#331](https://github.com/ComfyAssets/ComfyUI_PromptManager/issues/331), three PRs) adds named, hand-picked groups of images, stored in the library database by file location as favorites are: a COLLECTIONS sidebar group whose rows open Images filtered to one collection (`#/collection/<id>`) with rename and delete, Add to collection and Remove from collection in the Images selection bar, a Collections… checklist in the shared inspector for the side panel and the viewer, and saved views that keep a collection. Membership survives restarts, source reordering and System › Maintenance duplicate cleanup; no file is copied, moved or changed.
+- Local Inspect (#249, PRs L1–L2) replaces the `#/inspect` handoff with the concept's native "Inspect a file" page: one local image or video previews inline and opens the shared viewer and full inspector on a record read entirely in the browser, with nothing uploaded, imported or stored. The legacy metadata page (`web/metadata.html`, served at `/prompt_manager/gallery.html`) stays reachable from Overview; its capabilities map to the shared inspector, except its one-click COPY ALL summary, whose ruled replacement ("Copy settings summary") is pending. Recorded deviations D60–D66 are in [TESTING.md](../TESTING.md). Local roles equal to the server's resolver follow in PR L3.

 ## Scope and compatibility

@@ -18,13 +18,9 @@ protocol and peer checks reject unrelated messages. Same-origin scripts are
 trusted; this transport is not authentication against other scripts on that origin.
 Unsupported messaging is reported without breaking existing ComfyUI nodes.

-Apply works in one click: without a preview, the sender requests the ticket itself
-and applies it. Preview remains optional, and shows the exact change first.
-
 An apply timeout or abort after posting means the outcome is unknown. It cannot
 prove the host cancelled the write. The sender must inspect a fresh destination
-preview or choose the destination again before sending again; automatic retry must
-not overwrite edits. An error the host returned is a refusal: nothing was written.
+preview before deciding to send again; automatic retry must not overwrite edits.

 ## PromptManager adapter

@@ -35,9 +31,7 @@ field. Unknown/ambiguous metadata must not become an empty string.

 Previews show original and requested text plus positive prepend/append composition.
 Connected composition is marked unknown rather than guessing upstream values.
-Connected destination fields reject writes. The sender compares the destination's revision
-(node object and graph version) from discovery with the one at the preview, and refuses if the workflow changed.
-Applying rechecks graph, node, widgets,
+Connected destination fields reject writes. Applying rechecks graph, node, widgets,
 values and connections. Ordinary serialization cache synchronization is accepted
 only when it preserves live values. Both requested roles are checked before writing.

@@ -275,12 +275,7 @@ class PromptManager(PromptManagerBase, ComfyNodeABC):
        record_runtime_context(
            type(self).__name__, text, prepend_text, append_text, encoding_text
        )
-        self._record_cached_item(
-            unique_id,
-            (encoding_text,),
-            storage_text,
-            fields=((text, prepend_text, append_text),),
-        )
+        self._record_cached_item(unique_id, (encoding_text,), storage_text)
        return result

    @classmethod
@@ -243,24 +243,14 @@ class PromptManagerBase:
            return False

    def _record_cached_item(
-        self,
-        unique_id: Any,
-        outputs: tuple,
-        text: Any,
-        negative_text: Any = None,
-        fields: Optional[tuple] = None,
+        self, unique_id: Any, outputs: tuple, text: Any, negative_text: Any = None
    ) -> None:
-        """Remember this execution's outputs and stored text for cached jobs (#347).
-
-        ``fields`` are the ``(raw, prepend, append)`` texts this execution gave
-        ``record_runtime_context`` for each output, so a cached job's history
-        can record them too (#403).
-        """
+        """Remember this execution's outputs and stored text for cached jobs (#347)."""
        if unique_id is None:
            return
        try:
            self._cached_runs().record_item(
-                unique_id, outputs, stored_facts(text, negative_text), fields
+                unique_id, outputs, stored_facts(text, negative_text)
            )
        except Exception as error:
            self.logger.debug(f"Could not record the cached-run receipt: {error}")
@@ -198,11 +198,7 @@ class PromptManagerPair(PromptManagerFocused):
            type(self).__name__, negative_text, "", "", negative_text, role="negative"
        )
        self._record_cached_item(
-            unique_id,
-            (positive, negative_text),
-            text,
-            negative_text,
-            fields=((text, prepend_text, append_text), (negative_text, "", "")),
+            unique_id, (positive, negative_text), text, negative_text
        )
        return result

@@ -230,8 +226,6 @@ class PromptManagerPair(PromptManagerFocused):
            negative_text,
            category=category.strip() or None,
            tags=self._parse_tags(tags),
-            # The Library shows the prompt's own category and tags, not the pair's.
-            fill_new_positive=True,
        )
        pair = self.db.get_prompt_pair(pair_id)
        prompt_id = pair["positive_prompt_id"]
@@ -246,12 +246,7 @@ class PromptManagerText(PromptManagerBase, ComfyNodeABC):
        record_runtime_context(
            type(self).__name__, text, prepend_text, append_text, final_text
        )
-        self._record_cached_item(
-            unique_id,
-            (final_text,),
-            storage_text,
-            fields=((text, prepend_text, append_text),),
-        )
+        self._record_cached_item(unique_id, (final_text,), storage_text)
        return result

    @classmethod
@@ -11,7 +11,6 @@ Split into domain-specific mixins for maintainability:
 - JobRoutesMixin: the session job registry behind Activity (py/api/jobs.py)
 - ImageTagJobsMixin: bulk Add tags / Auto-tag as image-tags jobs
 - ThumbnailJobsMixin: thumbnail plan, thumbnail job and the gallery stream on it
- ThumbnailLocationMixin: the thumbnail location check and payloads (#320)
 - ThumbnailConvertMixin: Convert outdated thumbnails (#317), a thumbnail job mode
 - AutoThumbnailMixin: previews made on first view, on capture and after a scan
 - ReviewRoutesMixin: the Needs review queue, item detail and decisions
@@ -20,7 +19,6 @@ Split into domain-specific mixins for maintainability:
 - SystemRoutesMixin: System health check, Overview and usage statistics
 - LibraryLocationRoutesMixin: where the library lives, Move library, Keep it here
 - MaintenanceRoutesMixin: reviewed maintenance plans (preview, apply)
- LibraryDeleteRoutesMixin: the Library's Delete… (archive paired) and Restore
 - WorkflowStorageRoutesMixin: store each workflow once, then Reclaim space
 - DuplicateFilesMixin: duplicate image files as find and removal jobs
 - LoraImportRoutesMixin: the reviewed, staged LoRA reference import job
@@ -42,10 +40,8 @@ from aiohttp import web
 from PIL import Image

 from .prompts import PromptRoutesMixin
-from .revalidation import revalidated_response
 from .pairs import PairRoutesMixin
 from .library import LibraryRoutesMixin
-from .library_delete import LibraryDeleteRoutesMixin
 from .vocabulary import VocabularyRoutesMixin
 from .annotations import AnnotationRoutesMixin
 from .review import ReviewRoutesMixin
@@ -61,7 +57,6 @@ from .settings_routes import SettingsRoutesMixin
 from .job_routes import JobRoutesMixin
 from .image_tag_jobs import ImageTagJobsMixin
 from .thumbnail_jobs import ThumbnailJobsMixin
-from .thumbnail_location import ThumbnailLocationMixin
 from .thumbnail_convert import ThumbnailConvertMixin
 from .thumbnail_auto import AutoThumbnailMixin
 from .system import SystemRoutesMixin
@@ -79,16 +74,12 @@ from .autotag_routes import AutotagRoutesMixin
 from .lora_integration import LoraIntegrationMixin
 from .lora_import_routes import LoraImportRoutesMixin
 from .image_categories import ImageCategoryRoutesMixin
-from .image_delete import ImageDeleteMixin
-from .image_return import ImageReturnMixin
 from .source_rescope import SourceRescopeMixin

 try:
    from ...database.operations import PromptDatabase
    from ...utils.file_prompt import parse_comfyui_prompt
    from ...utils.logging_config import get_logger
-    from ...utils.native_memory import release_free_memory
-    from ...utils.png_text import png_text
    from ...utils.video_metadata import is_video_path, read_video_metadata
 except ImportError:
    import sys
@@ -99,8 +90,6 @@ except ImportError:
    from database.operations import PromptDatabase
    from utils.file_prompt import parse_comfyui_prompt
    from utils.logging_config import get_logger
-    from utils.native_memory import release_free_memory
-    from utils.png_text import png_text
    from utils.video_metadata import is_video_path, read_video_metadata


@@ -324,7 +313,6 @@ async def _gzip_middleware(request, handler):
 class PromptManagerAPI(
    PairRoutesMixin,
    LibraryRoutesMixin,
-    LibraryDeleteRoutesMixin,
    VocabularyRoutesMixin,
    AnnotationRoutesMixin,
    ReviewRoutesMixin,
@@ -340,7 +328,6 @@ class PromptManagerAPI(
    JobRoutesMixin,
    ImageTagJobsMixin,
    ThumbnailJobsMixin,
-    ThumbnailLocationMixin,
    ThumbnailConvertMixin,
    AutoThumbnailMixin,
    SystemRoutesMixin,
@@ -356,8 +343,6 @@ class PromptManagerAPI(
    LoraIntegrationMixin,
    LoraImportRoutesMixin,
    ImageCategoryRoutesMixin,
-    ImageDeleteMixin,
-    ImageReturnMixin,
    SourceRescopeMixin,
 ):
    """REST API handler for PromptManager operations and web interface.
@@ -438,12 +423,6 @@ class PromptManagerAPI(
        # Reviewed maintenance plans under single-use tokens; a restart
        # forgets them (py/api/maintenance.py).
        self._maintenance_plans = PlanStore()
-        # #480: the removal marks the workspace listing hides, read once now so
-        # a listing page reads no table until a mark or the database changes.
-        try:
-            self._removal_marks()
-        except Exception:
-            self.logger.warning("Removal marks could not be read", exc_info=True)

        # A safety backup interrupted by a crash leaves its temp copy behind.
        try:
@@ -533,14 +512,6 @@ class PromptManagerAPI(
            return await loop.run_in_executor(None, call)
        return await loop.run_in_executor(None, func, *args)

-    async def _release_job_memory(self):
-        """After a scan or thumbnail job: glibc's free heap pages go back to
-        the OS once (``malloc_trim(0)``; nothing elsewhere, #523)."""
-        try:
-            await self._run_in_executor(release_free_memory)
-        except Exception:  # best effort: the job's result already stands
-            self.logger.debug("Releasing free memory failed", exc_info=True)
-
    def _root_listing(self, root) -> RootListing:
        """The shared listing record of one output root (created empty)."""
        return self._root_listings.setdefault(str(root), RootListing())
@@ -682,45 +653,40 @@ class PromptManagerAPI(

        @routes.get("/prompt_manager/workspace")
        async def serve_workspace_ui(request: web.Request) -> web.Response:
-            return self._serve_html_page(request, "workspace.html", "Workspace")
+            return self._serve_html_page("workspace.html", "Workspace")

        @routes.get("/prompt_manager/web")
        async def serve_web_ui(request):
-            return self._serve_html_page(request, "index.html", "Web UI", cache=False)
+            return self._serve_html_page("index.html", "Web UI", cache=False)

        @routes.get("/prompt_manager/gallery.html")
        async def serve_gallery_ui(request):
-            return self._serve_html_page(request, "metadata.html", "Gallery")
+            return self._serve_html_page("metadata.html", "Gallery")

        @routes.get("/prompt_manager/admin")
        async def serve_admin_ui(request):
-            return self._serve_html_page(request, "admin.html", "Admin UI")
+            return self._serve_html_page("admin.html", "Admin UI")

        @routes.get("/prompt_manager/gallery")
        async def serve_gallery_admin_ui(request):
-            return self._serve_html_page(request, "gallery.html", "Gallery")
+            return self._serve_html_page("gallery.html", "Gallery")

        # ── Static file serving ───────────────────────────────────────

        @routes.get("/prompt_manager/lib/{filepath:.*}")
        async def serve_lib_static(request):
            """Serve static library files (JS, CSS) from web/lib directory."""
-            return self._serve_static_file(
-                request, "lib", request.match_info.get("filepath")
-            )
+            return self._serve_static_file("lib", request.match_info.get("filepath"))

        @routes.get("/prompt_manager/js/{filepath:.*}")
        async def serve_js_static(request):
            """Serve static JavaScript files from web/js directory."""
-            return self._serve_static_file(
-                request, "js", request.match_info.get("filepath")
-            )
+            return self._serve_static_file("js", request.match_info.get("filepath"))

        # ── Register domain-specific routes from mixins ───────────────

        self._register_pair_routes(routes)
        self._register_library_routes(routes)
-        self._register_library_delete_routes(routes)
        self._register_vocabulary_routes(routes)
        self._register_annotation_routes(routes)
        self._register_review_routes(routes)
@@ -744,8 +710,6 @@ class PromptManagerAPI(
        self._register_lora_routes(routes)
        self._register_lora_import_routes(routes)
        self._register_image_category_routes(routes)
-        self._register_image_delete_routes(routes)
-        self._register_image_return_routes(routes)
        self._register_rescope_routes(routes)

        # Register gzip compression middleware (once)
@@ -762,11 +726,8 @@ class PromptManagerAPI(

        self.logger.info("All routes registered with decorator pattern")

-    def _serve_static_file(self, request, subdir, filepath):
-        """Serve ``web/<subdir>/<filepath>``; 403 outside it, 404 when missing.
-
-        A served file is revalidated on every reuse (#478, ``revalidation``).
-        """
+    def _serve_static_file(self, subdir, filepath):
+        """Serve ``web/<subdir>/<filepath>``; 403 outside it, 404 when missing."""
        root = os.path.join(_get_project_root(), "web", subdir)
        exact = STATIC_EXACT_FILES.get((subdir, filepath))
        # An exact file passes the same containment check, its extension only.
@@ -781,13 +742,10 @@ class PromptManagerAPI(
            return web.Response(text="Not Found", status=404)
        with open(file_path, "rb") as f:
            content = f.read()
-        return revalidated_response(request, content, content_type)
+        return web.Response(body=content, content_type=content_type)

-    def _serve_html_page(self, request, filename, title, cache=True):
-        """Serve ``web/<filename>``; 404 when missing, 500 when unreadable.
-
-        A served page is revalidated on every reuse (#478, ``revalidation``).
-        """
+    def _serve_html_page(self, filename, title, cache=True):
+        """Serve ``web/<filename>``; 404 when missing, 500 when unreadable."""
        html_path = os.path.join(_get_project_root(), "web", filename)
        try:
            if cache and html_path in self._html_cache:
@@ -804,9 +762,7 @@ class PromptManagerAPI(
                    content_type="text/html",
                    status=404,
                )
-            return revalidated_response(
-                request, content.encode("utf-8"), "text/html", charset="utf-8"
-            )
+            return web.Response(text=content, content_type="text/html", charset="utf-8")
        except Exception:
            self.logger.exception(f"Failed to load {title}")
            return web.Response(
@@ -855,11 +811,20 @@ class PromptManagerAPI(
                        f"{url_quote(rel_path.as_posix(), safe='/')}"
                    )

-                    # Any preview the file owns, the current format first
-                    # (#317); no store I/O here in folder mode (#320).
-                    from .images import listing_thumbnail_url
+                    # Any preview the file owns, the current format first (#317)
+                    from . import thumbnail_settings
+                    from .prompts import thumbnail_url_for

-                    thumbnail_url = listing_thumbnail_url(output_path, rel_path)
+                    existing = thumbnail_settings.existing_thumbnail(
+                        output_path, rel_path
+                    )
+                    thumbnail_url = None
+                    if existing is not None:
+                        thumb_rel = (
+                            thumbnail_settings.thumbnail_stem_rel(rel_path)
+                            + existing.suffix
+                        )
+                        thumbnail_url = thumbnail_url_for(thumb_rel, existing)
                    if thumbnail_url:
                        image["thumbnail_url"] = thumbnail_url
                    break  # Found matching root, stop searching
@@ -1054,8 +1019,6 @@ class PromptManagerAPI(
    def _extract_comfyui_metadata(self, image_path):
        """Embedded ComfyUI metadata of an image (PNG text chunks) or a video.

-        PNG text is read without decoding the pixels (``utils.png_text``, #523).
-
        Videos go through ffprobe (see utils/video_metadata). Unreadable files
        are a warning, not an error: a scan over a large output tree meets
        truncated and foreign files, and it carries on past them.
@@ -1064,7 +1027,7 @@ class PromptManagerAPI(
            return read_video_metadata(image_path)
        try:
            with Image.open(image_path) as img:
-                return png_text(img)
+                return dict(getattr(img, "text", None) or {})
        except Exception as e:
            self.logger.warning(
                f"Unreadable image {os.path.basename(str(image_path))}: {e}"
@@ -36,21 +36,10 @@ except ImportError:

 try:
    from ...utils import exit_signal
-    from ...utils.media_folders import (
-        in_trash_below_roots,
-        in_trash_folder,
-        is_skipped_folder,
-    )
 except ImportError:
    from utils import exit_signal
-    from utils.media_folders import (
-        in_trash_below_roots,
-        in_trash_folder,
-        is_skipped_folder,
-    )

 try:
-    from ...database.image_removal import mark_hides
    from ...database.pair_ingestion import SCAN_MARKS, ingest_resolved_pair
    from ...database.run_attribution import (
        RecordedOutput,
@@ -71,7 +60,6 @@ try:
        decide_file_prompt,
    )
 except ImportError:
-    from database.image_removal import mark_hides
    from database.pair_ingestion import SCAN_MARKS, ingest_resolved_pair
    from database.run_attribution import (
        RecordedOutput,
@@ -130,11 +118,10 @@ DUPLICATE_FIND_LEGACY_TITLE = "Find duplicate image files (gallery page)"
 def _collect_media_files(output_dirs, extensions):
    """Media files under ``output_dirs`` (blocking), bounded and symlink-free.

-    Walks each root without following symlinks, skips ``thumbnails`` and
-    trash folders (``utils.media_folders``) and symlinked files, never
-    descends more than MAX_SCAN_DEPTH levels and stops after MAX_SCAN_FILES
-    files in total. Extensions match case-insensitively and each path is
-    listed once.
+    Walks each root without following symlinks, skips ``thumbnails``
+    directories and symlinked files, never descends more than MAX_SCAN_DEPTH
+    levels and stops after MAX_SCAN_FILES files in total. Extensions match
+    case-insensitively and each path is listed once.
    """
    wanted = {ext.lower() for ext in extensions}
    found = []
@@ -149,7 +136,7 @@ def _collect_media_files(output_dirs, extensions):
            dirnames[:] = sorted(
                d
                for d in dirnames
-                if not is_skipped_folder(d)
+                if d != "thumbnails"
                and depth < MAX_SCAN_DEPTH
                and not os.path.islink(os.path.join(current, d))
            )
@@ -176,7 +163,7 @@ def _physical_file_key(path, stat):
    volumes on Windows) falls back to the resolved, case-folded path.
    """
    if stat.st_ino:
-        return ("inode", (stat.st_dev, stat.st_ino))
+        return ("inode", stat.st_dev, stat.st_ino)
    return ("path", os.path.normcase(os.path.realpath(str(path))))


@@ -249,12 +236,7 @@ SCAN_FINAL_STATES = {
    "error": "failed",
 }
 # The scope as the scan log's first line names it (the review dialog's words).
-SCAN_SCOPE_LOG = {
-    "new": "new and unresolved files",
-    "all": "all files",
-    "returned": "images returned to the library",
-}
-RETURN_JOB_TITLE = "Return images to the library"  # #498
+SCAN_SCOPE_LOG = {"new": "new and unresolved files", "all": "all files"}
 MIN_BATCHES_FOR_ESTIMATE = 2  # "about X min left" waits for this many batches
 # Log line prefix per outcome group (spec: + added, = known, ? review, ! error,
 # - no usable metadata).
@@ -539,7 +521,6 @@ def _diagnose_output_dirs(configured_dirs, public_path=None):

        candidates.append(folder_paths.get_output_directory())
    except ImportError:
-        # outside ComfyUI there is no output folder to add
        pass

    output_dirs = []
@@ -902,8 +883,6 @@ class AdminRoutesMixin:
        extensions = IMAGE_EXTENSIONS + VIDEO_EXTENSIONS
        media_files = []
        seen = set()
-        # #480: a file removed from the library is never a copy or a keeper.
-        marks = self._removal_marks()
        for slot, root in enumerate(roots):
            for path in _collect_media_files([root], extensions):
                try:
@@ -912,9 +891,6 @@ class AdminRoutesMixin:
                    stat = os.stat(path)
                except OSError:
                    continue
-                locator = os.path.normcase(os.path.realpath(str(path)))
-                if locator in marks and mark_hides(marks, locator, path):
-                    continue
                key = _physical_file_key(path, stat)
                if key not in seen:
                    seen.add(key)
@@ -1098,21 +1074,13 @@ class AdminRoutesMixin:
        return result

    def _delete_one_duplicate(self, image_path, output_path):
-        """Delete one file and its thumbnail; return a failure reason or None.
-
-        What is removed is exactly the folder's real path plus the name: a
-        link is removed itself, never its target, and the preview removed is
-        that name's. Both the link's place and what it leads to are checked.
-        """
+        """Delete one file and its thumbnail; return a failure reason or None."""
        file_path = Path(image_path)
        if not file_path.is_absolute():
            file_path = output_path / file_path

        try:
-            real_root = output_path.resolve()
-            rel_path = file_path.resolve().relative_to(real_root)
-            exact = Path(os.path.realpath(file_path.parent)) / file_path.name
-            exact_rel = exact.relative_to(real_root)
+            rel_path = file_path.resolve().relative_to(output_path.resolve())
        except ValueError:
            self.logger.warning(
                f"Attempted to delete file outside output directory: {image_path}"
@@ -1121,19 +1089,15 @@ class AdminRoutesMixin:

        if file_path.suffix.lower() not in DELETABLE_MEDIA_EXTENSIONS:
            return "not a media file"
-        if "thumbnails" in rel_path.parts or "thumbnails" in exact_rel.parts:
+        if "thumbnails" in rel_path.parts:
            return "thumbnails are managed by the gallery"
-        if in_trash_below_roots(file_path, [output_path]) or in_trash_folder(
-            str(exact_rel)
-        ):
-            return "it is in a trash folder"  # never unlinked from a trash (#543)

        if not file_path.is_file():
            return "file not found"

-        os.remove(exact)
+        os.remove(file_path)
        self.logger.info(f"Deleted duplicate image: {image_path}")
-        _remove_thumbnail(real_root, exact_rel, self.logger)
+        _remove_thumbnail(output_path.resolve(), rel_path, self.logger)
        return None

    async def get_statistics(self, request):
@@ -1407,17 +1371,13 @@ class AdminRoutesMixin:
            }
        )

-    def _start_scan_job(
-        self, files=DEFAULT_SCAN_SCOPE, roots=None, output_dirs=None, returned=None
-    ):
+    def _start_scan_job(self, files=DEFAULT_SCAN_SCOPE, roots=None, output_dirs=None):
        """Register the scan job synchronously; its runner starts on the loop.

        ``files`` is the scope (``SCAN_SCOPES``). ``roots`` selects sources by
        their index in ``output_dirs`` (the effective sources the caller
        resolved); None scans every source, resolved when the job starts.
-        Raises JobBusy while another record-changing job runs. ``returned``
-        (#498, ``[(path, locator)]``) makes it "Return images to the library":
-        those files' removal marks go first, then only they are scanned.
+        Raises JobBusy while another record-changing job runs.
        """
        if files not in SCAN_SCOPES:
            raise ValueError(f"Unknown scan scope: {files!r}")
@@ -1425,26 +1385,20 @@ class AdminRoutesMixin:
            output_dirs is None or not roots or max(roots) >= len(output_dirs)
        ):
            raise ValueError("A scoped scan needs the sources its roots index")
-        scope = {"files": files, "roots": None if roots is None else list(roots)}
-        if returned is not None:
-            scope = {"files": "returned", "roots": None, "images": len(returned)}
        job = self._jobs.start(
            SCAN_JOB_KIND,
-            SCAN_JOB_TITLE if returned is None else RETURN_JOB_TITLE,
+            SCAN_JOB_TITLE,
            record_changing=True,
-            scope=scope,
-            runner=functools.partial(
-                self._run_scan_job, output_dirs=output_dirs, returned=returned
-            ),
+            scope={"files": files, "roots": None if roots is None else list(roots)},
+            runner=functools.partial(self._run_scan_job, output_dirs=output_dirs),
            groups=SCAN_GROUP_NAMES,
        )
        self._scan_job = job
        return job

-    async def _run_scan_job(self, job, output_dirs=None, returned=None):
+    async def _run_scan_job(self, job, output_dirs=None):
        final = None
-        extra = {} if returned is None else {"returned": returned}
-        async for payload in self._scan_images_events(job, output_dirs, **extra):
+        async for payload in self._scan_images_events(job, output_dirs):
            job.publish(payload)
            final = payload.get("type")
        state = SCAN_FINAL_STATES.get(final, "finished")
@@ -1454,7 +1408,6 @@ class AdminRoutesMixin:
            verb = "cancelled" if state == "cancelled" else "finished"
            job.log_line(f"Scan {verb} · {_plural(job.processed, 'file')} processed")
        job.finish(state)
-        await self._release_job_memory()
        if state == "finished":
            # After the scan, so the guarded thumbnail job is admitted (#249).
            await self._hand_off_scan_thumbnails(job, output_dirs)
@@ -1483,7 +1436,7 @@ class AdminRoutesMixin:
            )
        return response

-    async def _scan_images_events(self, job, output_dirs=None, returned=None):
+    async def _scan_images_events(self, job, output_dirs=None):
        """Yield progress payloads while scanning the output directories.

        Every effective source is walked, or only those ``job.scope["roots"]``
@@ -1521,16 +1474,9 @@ class AdminRoutesMixin:
                0, f"Scanning {len(walked)} directory(ies) for media files..."
            )

-            if returned is None:
-                media_files = await self._run_in_executor(
-                    self._collect_output_media_sync, walked
-                )
-            else:
-                # #498: only the files whose marks this job deleted.
-                media_files = await self._run_in_executor(
-                    self._clear_returned_marks, returned
-                )
-                job.log_line(f"Returned {_plural(len(media_files), 'image')}")
+            media_files = await self._run_in_executor(
+                self._collect_output_media_sync, walked
+            )
            counts = dict.fromkeys(SCAN_COUNT_KEYS, 0)
            job.update(
                total=len(media_files),
@@ -1605,13 +1551,8 @@ class AdminRoutesMixin:
            if job.cancelled:
                return
            batch = media_files[batch_start : batch_start + SCAN_BATCH_SIZE]
-            # #480: a file removed from the library is not read or linked
-            # again while its bytes are unchanged.
-            removed = await self._run_in_executor(self._removed_paths, batch)
-            skipped = [f for f in batch if str(f) in known or str(f) in removed]
-            to_read = [
-                f for f in batch if str(f) not in known and str(f) not in removed
-            ]
+            skipped = [f for f in batch if str(f) in known]
+            to_read = [f for f in batch if str(f) not in known]
            outcomes = [_scan_outcome(f, roots, "skipped") for f in skipped]
            counts["processed"] += len(skipped)
            counts["unchanged"] += len(skipped)
@@ -1669,10 +1610,9 @@ class AdminRoutesMixin:
    def _extract_batch_metadata_sync(self, file_batch):
        """Extract metadata from a batch of files in one executor call.

-        Files are read on the long-lived job pool of
-        ``PromptManagerConfig.WORKER_THREADS`` threads (#523).
-        PNG text is read chunk by chunk without decoding pixels (#523); file
-        reads and ffprobe release the GIL.
+        Files are read on ``PromptManagerConfig.WORKER_THREADS`` threads:
+        Pillow decodes the whole image to reach trailing text chunks and
+        releases the GIL while doing so.
        """
        from ..config import PromptManagerConfig

@@ -13,6 +13,7 @@ import math
 from ..tagging_defaults import (  # noqa: F401 - re-exported for the route
    LLM_MODEL_TYPES as LLM_MODELS,
    MAX_INSTRUCTION_BYTES,
+    MAX_INSTRUCTION_CHARS,
    MODEL_TYPES,
    WD14_MODEL_TYPES as WD14_MODELS,
    validate_template,
@@ -19,15 +19,10 @@ from .jobs import (
 )

 from .maintenance import disk_plan
-from .images import listing_thumbnail_url
-from . import preview_store
+from .prompts import thumbnail_url_for
+from . import thumbnail_settings
 from .. import model_gate

-try:
-    from ...utils.media_folders import in_trash_below_roots, is_skipped_folder
-except ImportError:
-    from utils.media_folders import in_trash_below_roots, is_skipped_folder
-
 from aiohttp import web

 _INTERNAL_ERROR = "An internal error occurred. Check server logs for details."
@@ -424,7 +419,6 @@ class AutotagRoutesMixin:
        title = f"Tagging model download · {label}"
        _download_titles.clear()
        _download_titles[owner] = title
-        admitted = False
        try:
            job = self._jobs.start(
                MODEL_DOWNLOAD_JOB_KIND,
@@ -440,13 +434,13 @@ class AutotagRoutesMixin:
                    self._run_model_download, service, model_type, owner
                ),
            )
-            admitted = True
-        except JobBusy as refused:
-            return None, busy_response(refused)
-        finally:
-            if not admitted:  # JobBusy, or anything else: give the gate back.
-                model_gate.release(owner)
-                _download_titles.pop(owner, None)
+        except BaseException as refused:
+            # JobBusy, or anything else the registry raised: give the gate back.
+            model_gate.release(owner)
+            _download_titles.pop(owner, None)
+            if isinstance(refused, JobBusy):
+                return None, busy_response(refused)
+            raise

        def ended(_task):
            model_gate.release(owner)
@@ -850,12 +844,9 @@ class AutotagRoutesMixin:
        """Return the real path when it is a media file inside an output directory."""
        if Path(str(raw_path)).suffix.lower() not in _MEDIA_EXTENSIONS:
            return None
-        roots = list(self._get_all_output_dirs())
-        for output_dir in roots:
+        for output_dir in self._get_all_output_dirs():
            if path_is_within(raw_path, output_dir):
                real = os.path.realpath(raw_path)
-                if in_trash_below_roots(real, roots):
-                    return None  # thrown away, not an output (#543)
                return real if os.path.isfile(real) else None
        return None

@@ -1042,12 +1033,12 @@ class AutotagRoutesMixin:
                return self._bad_request('existing must be "skip" or "merge"')
            try:
                options = self._single_options(data, model_type)
-            except OptionError as error:
-                return self._bad_request(str(error))
            except (ValueError, TypeError):
                return self._bad_request(
                    "general_threshold and character_threshold must be numeric"
                )
+            except OptionError as error:
+                return self._bad_request(str(error))
            target, error = await self._select_autotag_target(data)
            if error is not None:
                return error
@@ -1328,9 +1319,8 @@ class AutotagRoutesMixin:
    def _collect_scan_files(output_path: Path):
        """Media files under ``output_path`` from a bounded, symlink-free walk.

-        Descends at most ``_SCAN_MAX_DEPTH`` levels, skips ``thumbnails`` and
-        trash folders (``utils.media_folders``) and symlinked files, and stops
-        after ``_SCAN_MAX_FILES`` files.
+        Descends at most ``_SCAN_MAX_DEPTH`` levels, skips ``thumbnails``
+        trees and symlinked files, and stops after ``_SCAN_MAX_FILES`` files.
        Returns ``(paths, truncated)``.
        """
        found = []
@@ -1340,7 +1330,7 @@ class AutotagRoutesMixin:
            dirnames[:] = sorted(
                name
                for name in dirnames
-                if not is_skipped_folder(name) and depth + 1 <= _SCAN_MAX_DEPTH
+                if name != "thumbnails" and depth + 1 <= _SCAN_MAX_DEPTH
            )
            for name in sorted(filenames):
                if Path(name).suffix.lower() not in _MEDIA_EXTENSIONS:
@@ -1367,25 +1357,23 @@ class AutotagRoutesMixin:
            files, truncated = await self._run_in_executor(
                self._collect_scan_files, output_path
            )
-            # #501: a file removed from the library is not offered for tagging.
-            files = await self._run_in_executor(
-                self._without_removed, output_path, files
-            )
-            location = preview_store.current()
-            if location.mode == preview_store.FOLDER_MODE:
-                has_thumbnails = location.available  # no store I/O here (#320)
-            else:
-                store = preview_store.store_dir(output_path)
-                has_thumbnails = store is not None and store.is_dir()
+            has_thumbnails = (output_path / "thumbnails").is_dir()

            images = []
            for image_path in files:
                rel_path = image_path.relative_to(output_path)
                thumbnail_url = None
                if has_thumbnails:
-                    # Any preview the file owns, the current format first
-                    # (#317); in folder mode without store I/O (#320).
-                    thumbnail_url = listing_thumbnail_url(output_path, rel_path)
+                    # Any preview the file owns, the current format first (#317)
+                    existing = thumbnail_settings.existing_thumbnail(
+                        output_path, rel_path
+                    )
+                    if existing is not None:
+                        thumb_rel = (
+                            thumbnail_settings.thumbnail_stem_rel(rel_path)
+                            + existing.suffix
+                        )
+                        thumbnail_url = thumbnail_url_for(thumb_rel, existing)
                images.append(
                    {
                        "filename": image_path.name,
@@ -971,7 +971,6 @@ class BackupRestoreRoutesMixin:
        line = restored_line(staged.summary)
        job.log_line(line)
        job.update(progress=100, status_line=line)
-        return None


 async def _outlive_cancel(future):
@@ -213,8 +213,6 @@ def public_config():
            "max_image_age_days": GalleryConfig.MAX_IMAGE_AGE_DAYS,
            "max_concurrent_processing": GalleryConfig.MAX_CONCURRENT_PROCESSING,
            "metadata_extraction_timeout": GalleryConfig.METADATA_EXTRACTION_TIMEOUT,
-            # config.json gallery.monitoring.save_foreign_runs (#247)
-            "save_foreign_runs": GalleryConfig.SAVE_FOREIGN_RUNS,
        },
        "integrations": {
            "lora_manager_enabled": bool(IntegrationConfig.LORA_MANAGER_ENABLED),
@@ -574,13 +574,12 @@ class DuplicateFilesMixin:
            return _fail_job(job, "sources-changed", SOURCES_CHANGED)
        ok, backup = await self._safety_backup_step(job, db, backup_on)
        if not ok:
-            return None
+            return
        try:
            await self._remove_duplicates(job, db, plan, backup)
        finally:
            if backup:
                await self._prune_backup_pool(job, db)
-        return None

    async def _remove_duplicates(self, job, db, plan, backup):
        targets = plan.payload["targets"]
@@ -16,11 +16,6 @@ from pathlib import Path
 from .admin import DELETABLE_MEDIA_EXTENSIONS
 from .maintenance import DUPLICATE_FILES

-try:
-    from ...utils.media_folders import in_trash_below_roots, is_trash_folder
-except ImportError:
-    from utils.media_folders import in_trash_below_roots, is_trash_folder
-
 # Keep entries one review takes; with paths of a few hundred characters the
 # list stays inside the preview body cap (DUPLICATE_PREVIEW_BODY_MAX, 1 MiB).
 MAX_KEEP = 2000
@@ -202,8 +197,6 @@ def file_problem(
    parts = Path(os.path.relpath(lexical, base)).parts
    if "thumbnails" in parts or ".." in parts:
        return OUTSIDE_SOURCE
-    if any(is_trash_folder(part) for part in parts[:-1]):
-        return OUTSIDE_SOURCE  # never removed from a trash folder (#543)
    if os.path.splitext(lexical)[1].lower() not in DELETABLE_MEDIA_EXTENSIONS:
        return OUTSIDE_SOURCE
    try:
@@ -219,8 +212,6 @@ def file_problem(
    try:
        if not _lexically_inside(_canonical_path(path), [_canonical_path(root)]):
            return OUTSIDE_SOURCE  # a linked folder on the way
-        if in_trash_below_roots(path, [root]):
-            return OUTSIDE_SOURCE  # a linked folder into a trash folder
        if keeper is not None:
            same = keeper_problem(path, root, info, keeper, keeper_root)
            if same:
@@ -27,7 +27,7 @@ def _identity(path):
    except OSError:
        return None
    if info.st_ino:
-        return ("inode", (info.st_dev, info.st_ino))
+        return ("inode", info.st_dev, info.st_ino)
    return ("path", os.path.normcase(os.path.realpath(str(path))))


@@ -27,11 +27,7 @@ from .history_current import (
    resolve_current_candidate,
    snapshot_current_output_scope,
 )
-from .inspection_service import (
-    CurrentFileChanged,
-    image_tags_reader,
-    inspect_current_file,
-)
+from .inspection_service import CurrentFileChanged, inspect_current_file
 from .images import image_category_key

 try:
@@ -782,14 +778,6 @@ class HistoryRoutesMixin:
                            ),
                            own,
                        ),
-                        # The file's own image tags, keyed as the Tag dialog
-                        # keys them: the normcased realpath (#457).
-                        image_tags=image_tags_reader(
-                            db,
-                            str(resolved.canonical_target),
-                            self.logger,
-                            close=True,
-                        ),
                        recorded=recorded_output_lookup(
                            db, close=True, reference=receipt["reference"]
                        ),
@@ -843,10 +831,7 @@ class HistoryRoutesMixin:
                raise

        async def execute():
-            # An inspection reads the file's header and text: the
-            # interactive image pool (#523); media stays on the default.
-            run = self._run_image if kind == "inspection" else self._run_in_executor
-            pending = asyncio.create_task(run(project))
+            pending = asyncio.create_task(self._run_in_executor(project))
            try:
                return await asyncio.shield(pending)
            except asyncio.CancelledError:
@@ -15,10 +15,9 @@ from typing import BinaryIO

 from aiohttp import web

-from . import preview_store, thumbnail_settings
+from . import thumbnail_settings
 from .images import _canonical, _public_path, SERVABLE_EXTENSIONS, VIDEO_EXTENSIONS
-from .images import in_trash_below_roots
-from .images import existing_media_thumbnail, media_preview_path
+from .images import existing_media_thumbnail, media_thumbnail_rel

 try:
    from ...utils.execution_outputs import (
@@ -199,9 +198,6 @@ def resolve_current_candidate(
        if namespace is None or not namespace.is_dir():
            return _unavailable("root_unavailable")
        target = _canonical(lexical)
-        if in_trash_below_roots(target, [namespace]):
-            # Every kind and the outputs listing come through here (#543).
-            return _unavailable("missing")
        if not _authorized(target, namespace, scope):
            return _unavailable("not_authorized")
        if target.suffix.lower() not in SERVABLE_EXTENSIONS:
@@ -244,36 +240,15 @@ def resolve_current_candidate(
        return _unavailable("temporary_unavailable", error=True)


-def _target_authorized(target, namespace, scope, store_root=None) -> bool:
-    """A preview in the thumbnail folder (#320, folder mode) is authorized by
-    the store of its source (``preview_store.owns``: inside the key folder,
-    no link); everything else by the output namespace and the roots."""
-    if (
-        store_root is not None
-        and preview_store.current().mode == preview_store.FOLDER_MODE
-    ):
-        return preview_store.owns(store_root, target)
-    return _authorized(target, namespace, scope)
-
-
 def _open_current_target(
-    target: Path,
-    namespace: Path,
-    scope: CurrentOutputScope,
-    preview: bool = False,
-    store_root: Path | None = None,
+    target: Path, namespace: Path, scope: CurrentOutputScope, preview: bool = False
 ) -> BinaryIO:
    """Open only the canonical target and verify authority against the actual handle.

-    A *preview* (a file under ``thumbnails/``) may also be JPEG XL (#317); in
-    folder mode it is authorized by the store of *store_root* (#320)."""
+    A *preview* (a file under ``thumbnails/``) may also be JPEG XL (#317)."""
    if _canonical(target) != target:
        raise CurrentLocationUnavailable("not_authorized", stale=True)
-    if in_trash_below_roots(target, [namespace]):
-        # Also at the open: the cover chooses its preview after the candidate
-        # check, and a preview can be a link into a trash folder (#543).
-        raise CurrentLocationUnavailable("missing")
-    if not _target_authorized(target, namespace, scope, store_root):
+    if not _authorized(target, namespace, scope):
        raise CurrentLocationUnavailable("not_authorized")
    suffix = target.suffix.lower()
    if suffix not in SERVABLE_EXTENSIONS and not (
@@ -306,7 +281,7 @@ def _open_current_target(
        if (
            _canonical(target) != target
            or (observed.st_dev, observed.st_ino) != (current.st_dev, current.st_ino)
-            or not _target_authorized(target, namespace, scope, store_root)
+            or not _authorized(target, namespace, scope)
        ):
            raise CurrentLocationUnavailable("not_authorized", stale=True)
        return os.fdopen(fd, "rb")
@@ -343,10 +318,12 @@ class _OpenedCurrentMedia:


 def _preview_writable(root: Path, preview: Path) -> bool:
-    """A preview may be written: the store of *root* and every link segment
-    of the preview's folder resolve inside it (the serve route's rule, #249;
-    ``preview_store.owns``)."""
-    return preview_store.owns(root, preview)
+    """A preview may be written: ``thumbnails`` and every link segment of the
+    preview's folder resolve inside *root* (the serve route's rule, #249)."""
+    folder = root / "thumbnails"
+    return _canonical(folder).is_relative_to(_canonical(root)) and _canonical(
+        preview
+    ).is_relative_to(_canonical(folder))


 def _is_jxl(path) -> bool:
@@ -396,12 +373,8 @@ def _cover_target(resolved, ensure_preview, placeholder, accepts_jxl):
        return _canonical(preview)
    if preview is not None:
        return _canonical(preview)
-    preview = media_preview_path(resolved.gallery_root, relative, create=True)
-    if (
-        ensure_preview is not None
-        and preview is not None
-        and _preview_writable(resolved.gallery_root, preview)
-    ):
+    preview = resolved.gallery_root / media_thumbnail_rel(relative)
+    if ensure_preview is not None and _preview_writable(resolved.gallery_root, preview):
        ensure_preview(target, preview, is_video)
    if is_video and placeholder is not None:
        return _placeholder_media(placeholder)
@@ -437,13 +410,7 @@ def _prepare_current_media(
            return chosen
        if chosen is not None:
            target, is_preview = chosen, True
-    handle = _open_current_target(
-        target,
-        resolved.namespace,
-        scope,
-        is_preview,
-        resolved.gallery_root if is_preview else None,
-    )
+    handle = _open_current_target(target, resolved.namespace, scope, is_preview)
    try:
        return _OpenedCurrentMedia(
            handle,
@@ -232,17 +232,15 @@ class ImageCategoryRoutesMixin:
            return None, _coded(400, "too-many-images", TOO_MANY)
        return tuple(selection.targets), None

-    async def _category_request(self, request, fields: frozenset, data=None):
+    async def _category_request(self, request, fields: frozenset):
        """``(data, targets, roots, None)`` or ``(None, None, None, error)``.

        The images are ``items`` (1 to 500 targets) or ``filter`` (all images
-        an Images listing filter admits), besides *fields*. *data* is the body
-        when the caller has already read it (a body is read once).
+        an Images listing filter admits), besides *fields*.
        """
-        if data is None:
-            data, error = await _json_body_or_error(request)
-            if error is not None:
-                return None, None, None, error
+        data, error = await _json_body_or_error(request)
+        if error is not None:
+            return None, None, None, error
        names = set(data) - fields
        if set(data) & fields != fields or names not in ({"items"}, {"filter"}):
            return (
@@ -1,522 +0,0 @@
-"""Delete selected images: remove them from the library, or trash them (#480).
-
-``POST /prompt_manager/images/delete/preview {items | filter}`` reviews the
-selection for both modes at once and answers a reviewed plan (the System ›
-Maintenance contract, ``py/api/maintenance.py``): the token, the counts of
-the records each file loses, the refused files with a coded reason (both
-modes, and the trash-only ones), the prompts that lose their last image and
-the safety backup. It writes nothing. ``items`` are Images listing identities
-(at most 500); ``filter`` is "Select all N matching". Each target is matched
-to its entry in the current listing (``not-listed`` otherwise), so every
-later step uses the walked spelling, never the request's text.
-
-``POST /prompt_manager/maintenance/apply {token, mode}`` runs the plan as the
-``image_delete`` job (admission ``records``, not cancellable): the sources
-are checked, the promised safety backup is taken, then each file is checked
-again (containment and fingerprint) and
-
- ``mode="library"``: its records are deleted and its removal mark written
-  in one transaction; the file stays on disk, hidden;
- ``mode="trash"``: it is moved to the trash first (``utils/trash.py``); a
-  refused move leaves the file and its records alone; after a move its
-  records are deleted.
-
-No path here unlinks a media file. A failed records write stops the job; the
-files after it are not attempted.
-"""
-
-import hashlib
-import json
-import os
-import stat as stat_module
-from pathlib import Path
-
-from .admin import DELETABLE_MEDIA_EXTENSIONS, _remove_thumbnail
-from .duplicate_review import (
-    CHANGED_CONTENT,
-    GONE,
-    LINK,
-    OUTSIDE_SOURCE,
-    UNREADABLE,
-    file_problem,
-)
-from .images import _favorite_relative_key, _favorite_root_key
-from .jobs import IMAGE_DELETE_GROUP_NAMES, IMAGE_DELETE_JOB_KIND, JobBusy
-from .job_routes import busy_response
-from .maintenance import MAINTENANCE_PREVIEW_LEASE, _fail_job, _failure, backup_note
-
-try:
-    from ...database import image_removal_schema
-    from ...database.image_removal import mark_hides
-    from ...database.annotation_schema import MAX_LOCATOR_LENGTH
-    from ...utils import trash
-    from ...utils.media_folders import is_trash_folder
-except ImportError:
-    from database import image_removal_schema
-    from database.image_removal import mark_hides
-    from database.annotation_schema import MAX_LOCATOR_LENGTH
-    from utils import trash
-    from utils.media_folders import is_trash_folder
-
-IMAGE_DELETE = "delete_images"
-MODES = ("library", "trash")
-TITLES = {
-    "library": "Delete images (remove from the library)",
-    "trash": "Delete images (move to the trash)",
-}
-MAX_DETAIL_ROWS = 50
-# The system moved the file but its place in a trash could not be shown (#499).
-TRASH_UNCONFIRMED = "trash-unconfirmed"
-RECORDS_FAILED_CODE = "records-failed"
-
-# Reason codes (design §4.4) and the sentence each shows.
-REASONS = {
-    "not-listed": "No longer listed in Images.",
-    "outside": "Outside the output folders.",
-    "link": "A link, not a file.",
-    "gone": "The file no longer exists.",
-    "unreadable": "The file can't be read.",
-    "thumbnail": "A generated preview, not an image.",
-    "not-media": "Not a media file.",
-    "trash-folder": "Inside a trash folder.",
-    "path-too-long": "The path is too long.",
-    "changed": "The file changed after the review.",
-    trash.NO_TRASH: "This drive has no trash.",
-    trash.NETWORK: "Network drives can't use the trash.",
-    trash.TRASH_IN_ROOT: "This drive's trash is inside an output folder.",
-    trash.LOCKED: "The file is open in another program. Close it and try again.",
-    trash.FAILED: "The file could not be moved to the trash.",
-    trash.NO_PERMISSION: (
-        "PromptManager isn't allowed to move this file (no permission, or it is "
-        "locked in Finder)."
-    ),
-    trash.CLOUD_SYNC: (
-        "Files in iCloud Drive or a cloud-synced folder can't be moved to the "
-        "trash here."
-    ),
-    TRASH_UNCONFIRMED: (
-        "Moved by macOS, but its place in the trash could not be confirmed."
-    ),
-    trash.WINDOWS_RECYCLE: (
-        "Moving files to the Recycle Bin isn't available on Windows: files larger "
-        "than the bin's capacity would be deleted permanently."
-    ),
-    "not-attempted": "Not attempted: the job stopped after an error.",
-}
-_PROBLEM_CODES = {
-    OUTSIDE_SOURCE: "outside",
-    LINK: "link",
-    GONE: "gone",
-    UNREADABLE: "unreadable",
-    CHANGED_CONTENT: "changed",
-}
-SOURCES_CHANGED = "The sources changed since the review; nothing was changed."
-RECORDS_FAILED = "The image records could not be removed; the job stopped."
-
-
-def lexical_problem(relative: str) -> str | None:
-    """The refusal code a root-relative POSIX path earns before any file access."""
-    parts = relative.split("/")
-    if "thumbnails" in parts[:-1]:
-        return "thumbnail"
-    if any(is_trash_folder(part) for part in parts[:-1]):
-        return "trash-folder"
-    if os.path.splitext(parts[-1])[1].lower() not in DELETABLE_MEDIA_EXTENSIONS:
-        return "not-media"
-    return None
-
-
-def file_check(path, root, relative, *, expected=None):
-    """``(code, lstat)``: why *path* may not be deleted, or ``(None, lstat)``.
-
-    Text first (inside the root, not a preview or trash folder, a media
-    file), then ``duplicate_review.file_problem``: a regular file, not a
-    link, whose resolved path is still inside the resolved root. With
-    *expected* (``{size, mtime_ns, inode}`` from the review) the file must
-    still be those bytes. Every handle is closed when this returns.
-    """
-    code = lexical_problem(relative)
-    if code:
-        return code, None
-    try:
-        info = os.lstat(path)
-    except FileNotFoundError:
-        return "gone", None
-    except OSError:
-        return "unreadable", None
-    if getattr(info, "st_file_attributes", 0) & getattr(
-        stat_module, "FILE_ATTRIBUTE_REPARSE_POINT", 0
-    ):
-        return "link", info
-    if expected is None:
-        problem = file_problem(path, root, None, info.st_size, hash_check=False)
-    else:
-        problem = file_problem(
-            path,
-            root,
-            None,
-            expected["size"],
-            hash_check=False,
-            mtime_ns=expected["mtime_ns"],
-            inode=expected["inode"],
-        )
-    if problem:
-        return _PROBLEM_CODES.get(problem, "outside"), info
-    if len(os.path.normcase(os.path.realpath(path))) > MAX_LOCATOR_LENGTH:
-        return "path-too-long", info
-    return None, info
-
-
-def _row(target, code):
-    return {
-        "path": target["rel"],
-        "root_label": target["root_label"],
-        "code": code,
-        "detail": REASONS[code],
-    }
-
-
-def _summary(rows):
-    counts = {}
-    for row in rows:
-        counts[row["code"]] = counts.get(row["code"], 0) + 1
-    return {"count": len(rows), "counts": counts, "rows": rows[:MAX_DETAIL_ROWS]}
-
-
-def _fingerprint(targets) -> str:
-    material = [
-        (t["root_index"], t["rel"], t["size"], t["mtime_ns"], t["inode"])
-        for t in targets
-    ]
-    return hashlib.sha256(json.dumps(material).encode("utf-8")).hexdigest()
-
-
-class ImageDeleteMixin:
-    """The Images Delete… review and its apply job (#480)."""
-
-    def _register_image_delete_routes(self, routes):
-        # A fixed path beside the dynamic /images/{image_id} routes: aiohttp
-        # (3.10+) looks fixed paths up first (see image_categories.py).
-        @routes.post("/prompt_manager/images/delete/preview")
-        async def preview_image_delete_route(request):
-            return await self.preview_image_delete(request)
-
-    # ── review ────────────────────────────────────────────────────────
-
-    async def preview_image_delete(self, request):
-        """Review the selection under the maintenance preview lease."""
-        try:
-            async with self._jobs.lease(MAINTENANCE_PREVIEW_LEASE):
-                return await self._preview_image_delete(request)
-        except JobBusy as busy:
-            return busy_response(busy)
-
-    async def _preview_image_delete(self, request):
-        _data, targets, roots, error = await self._category_request(
-            request, frozenset()
-        )
-        if error is not None:
-            return error
-        db = self.db
-        identity = self._database_identity(db)
-        try:
-            files = {}
-            for index in dict.fromkeys(t[0] for t in targets):
-                files[index] = await self._get_gallery_files(roots[index])
-            review = await self._run_in_executor(
-                self._review_image_delete, db, roots, targets, files
-            )
-        except Exception:
-            self.logger.exception("Image delete review failed")
-            return _failure("The review failed. Check server logs for details.", 500)
-        return await self._plan_response(
-            db,
-            identity,
-            IMAGE_DELETE,
-            _fingerprint(review["targets"]),
-            review["public"],
-            {"targets": review["targets"]},
-        )
-
-    def _review_image_delete(self, db, roots, targets, files):
-        """Every target checked now (blocking); ``{targets, public}``."""
-        listings, seen = {}, set()
-        acted, refused, trash_refused = [], [], []
-        spellings = self._source_spellings()
-        root_texts = [str(root) for root in roots]
-        for index, _scope, relative in targets:
-            root = roots[index]
-            if index not in listings:
-                listings[index] = self._favorite_listing(root, files[index])
-            spelled = listings[index].get(_favorite_relative_key(relative))
-            target = {
-                "root_index": index,
-                "root_scope": _scope,
-                "root": str(root),
-                "root_label": self._public_path(root),
-                "rel": spelled or relative,
-            }
-            if spelled is None:
-                refused.append(_row(target, "not-listed"))
-                continue
-            absolute = os.path.join(str(root), *spelled.split("/"))
-            code, info = file_check(absolute, str(root), spelled)
-            if code:
-                refused.append(_row(target, code))
-                continue
-            identity = (info.st_dev, info.st_ino)
-            if identity in seen:
-                continue  # one physical file named twice (nested roots, hardlinks)
-            seen.add(identity)
-            target.update(self._removal_of(absolute, info, spellings))
-            target["trash"] = trash.trash_available(absolute, root_texts)
-            if target["trash"]:
-                trash_refused.append(_row(target, target["trash"]))
-            acted.append(target)
-        counted = db.count_removal_records([t["removal"] for t in acted])
-        library_count = len(acted)
-        public = {
-            "operation": IMAGE_DELETE,
-            "scope": {"count": library_count, "label": "images"},
-            "library": {"count": library_count},
-            "trash": {"count": library_count - len(trash_refused)},
-            "protected": {"count": len(refused), "reasons": []},
-            "refused": _summary(refused),
-            "trash_refused": _summary(trash_refused),
-            "records": counted["records"],
-            "orphaned_prompts": counted["orphaned_prompts"],
-            "media": {"deletes_files": False, "label": "Chosen in the review"},
-            "details": [],
-        }
-        return {"targets": acted, "public": public}
-
-    @staticmethod
-    def _removal_of(absolute, info, spellings):
-        favorites = [
-            (_favorite_root_key(root), _favorite_relative_key(relative))
-            for root, relative in spellings.favorites(absolute).items()
-        ]
-        return {
-            "abs": absolute,
-            "size": info.st_size,
-            "mtime_ns": info.st_mtime_ns,
-            "inode": [info.st_dev, info.st_ino],
-            "removal": {
-                "spellings": list(spellings.of(absolute).values()),
-                "locator": os.path.normcase(os.path.realpath(absolute)),
-                "favorites": favorites,
-                "category": spellings.category_key(absolute),
-            },
-        }
-
-    # ── apply ─────────────────────────────────────────────────────────
-
-    def _start_image_delete(self, db, plan, mode, backup_on):
-        """Register the delete job for a reviewed plan (on the loop)."""
-        return self._jobs.start(
-            IMAGE_DELETE_JOB_KIND,
-            TITLES[mode],
-            admission="records",
-            cancellable=False,
-            scope={"operation": IMAGE_DELETE, "mode": mode},
-            groups=IMAGE_DELETE_GROUP_NAMES,
-            runner=lambda job: self._run_image_delete(job, db, plan, mode, backup_on),
-        )
-
-    async def _run_image_delete(self, job, db, plan, mode, backup_on):
-        targets = plan.payload["targets"]
-        unchanged = await self._run_in_executor(self._sources_unchanged, targets)
-        if not unchanged:
-            return _fail_job(job, "sources-changed", SOURCES_CHANGED)
-        ok, backup = await self._safety_backup_step(job, db, backup_on)
-        if not ok:
-            return None
-        try:
-            await self._delete_images(job, db, targets, mode, backup)
-        finally:
-            if backup:
-                await self._prune_backup_pool(job, db)
-        return None
-
-    async def _delete_images(self, job, db, targets, mode, backup):
-        job.update(total=len(targets), status_line=TITLES[mode])
-        roots = [str(root) for root in self._get_all_output_dirs()]
-        done_group = "trashed" if mode == "trash" else "removed"
-        changed, failed = 0, None
-        for done, target in enumerate(targets, start=1):
-            if failed:
-                self._record_delete(job, "not_changed", target, "not-attempted")
-                continue
-            group, code, label = await self._run_in_executor(
-                self._delete_one_image, db, target, mode, roots
-            )
-            if group == "errors":
-                failed = code or RECORDS_FAILED_CODE
-                text = REASONS[code] if code else RECORDS_FAILED
-                job.record(
-                    "errors",
-                    {
-                        "path": target["rel"],
-                        "root": target["root_label"],
-                        "root_index": target["root_index"],
-                        "root_scope": target["root_scope"],
-                        "detail": text,
-                    },
-                    f"! {target['root_label']}/{target['rel']} · {text}",
-                )
-            elif group == done_group:
-                changed += 1
-                detail = (
-                    f"Moved to the {label}" if label else "Removed from the library"
-                )
-                self._record_delete(job, group, target, None, detail)
-            else:
-                self._record_delete(job, group, target, code)
-            job.update(processed=done, progress=int(done / len(targets) * 100))
-        if changed:
-            self.invalidate_gallery_cache()
-        verb = "Moved" if mode == "trash" else "Removed"
-        where = "to the trash" if mode == "trash" else "from the library"
-        line = f"{verb} {changed:,} of {len(targets):,} images {where}"
-        job.log_line(line)
-        job.update(progress=100, status_line=f"{line} · {backup_note(backup)}")
-        if failed:
-            # "records-failed" names every stop at an errors row (the page's
-            # "Stopped after N of M" toast); the row says which error it was.
-            job.scope["failure"] = RECORDS_FAILED_CODE
-            job.publish({"type": "error", "code": failed, "message": line})
-            job.finish("failed")
-
-    @staticmethod
-    def _record_delete(job, group, target, code, detail=None):
-        text = detail or REASONS[code]
-        row = {
-            "path": target["rel"],
-            "root": target["root_label"],
-            "root_index": target["root_index"],
-            "root_scope": target["root_scope"],
-            "code": code,
-            "detail": text,
-        }
-        mark = {"removed": "-", "trashed": "-"}.get(group, "=")
-        job.record(
-            group, row, f"{mark} {target['root_label']}/{target['rel']} · {text}"
-        )
-
-    def _delete_one_image(self, db, target, mode, roots):
-        """``(group, code, trash label)`` for one reviewed file (blocking)."""
-        code, _info = file_check(
-            target["abs"],
-            target["root"],
-            target["rel"],
-            expected={
-                "size": target["size"],
-                "mtime_ns": target["mtime_ns"],
-                "inode": target["inode"],
-            },
-        )
-        if code:
-            return "not_changed", code, None
-        label = None
-        if mode == "trash":
-            try:
-                label = trash.move_to_trash(target["abs"], roots)
-            except trash.TrashRefused as refused:
-                code = refused.code if refused.code in REASONS else trash.FAILED
-                self.logger.info(
-                    "Not moved to the trash (%s): %s %s",
-                    code,
-                    target["rel"],
-                    refused.detail,
-                )
-                return "not_changed", code, None
-            except trash.TrashUnconfirmed as unconfirmed:
-                # The file left its folder: keep its records, stop the job.
-                self.logger.warning(
-                    "Trash move not confirmed: %s %s", target["rel"], unconfirmed.detail
-                )
-                return "errors", TRASH_UNCONFIRMED, None
-            mark = None
-        else:
-            mark = (target["size"], target["mtime_ns"])
-        try:
-            db.remove_image_records(target["removal"], mark=mark)
-        except Exception:
-            self.logger.exception("Removing an image's records failed")
-            return "errors", None, label
-        _remove_thumbnail(Path(target["root"]), Path(target["rel"]), self.logger)
-        return ("trashed" if mode == "trash" else "removed"), None, label
-
-    # ── the workspace listing ─────────────────────────────────────────
-
-    def _removal_marks(self) -> dict:
-        """The removal marks, cached until a mark changes or the database does.
-
-        A listing page reads no table while nothing changed: the cache follows
-        this process's marks generation and the database identity (a restore).
-        """
-        key = (self._database_identity(self.db), image_removal_schema.generation())
-        cached = getattr(self, "_marks_cache", None)
-        if cached is None or cached[0] != key:
-            cached = (key, self.db.removal_marks())
-            self._marks_cache = cached
-        return cached[1]
-
-    def _hidden_entries(self, listings) -> set:
-        """Normalized paths of listed files a removal mark hides (blocking).
-
-        Only marked locators are looked at, and only those files are
-        ``lstat``'ed: a mark hides a file while its size and ``mtime_ns`` are
-        still the ones it was removed with.
-        """
-        marks = self._removal_marks()
-        if not marks:
-            return set()
-        located = self._workspace_locators(listings)
-        return {
-            entry.normalized
-            for locator, entry in ((locator, located.get(locator)) for locator in marks)
-            if entry is not None and mark_hides(marks, locator, entry.path)
-        }
-
-    def _removed_paths(self, paths) -> set:
-        """The absolute paths among *paths* a removal mark hides (blocking)."""
-        marks = self._removal_marks()
-        if not marks:
-            return set()
-        return {
-            str(path)
-            for path in paths
-            if mark_hides(marks, os.path.normcase(os.path.realpath(str(path))), path)
-        }
-
-    def _removal_check_under(self, root):
-        """``hidden(path) -> bool`` for files a walk of *root* found (blocking).
-
-        A walk never follows a link below *root*, so a file's locator is
-        ``normcase(join(realpath(root), relative))``: no ``realpath`` per
-        file, and an ``lstat`` only for a marked one. Without marks it
-        answers False at once.
-        """
-        marks = self._removal_marks()
-        if not marks:
-            return lambda _path: False
-        root = os.fspath(root)
-        real = os.path.realpath(root)
-
-        def hidden(path):
-            relative = os.path.relpath(os.fspath(path), root)
-            locator = os.path.normcase(os.path.join(real, relative))
-            return mark_hides(marks, locator, path)
-
-        return hidden
-
-    def _without_removed(self, root, paths) -> list:
-        """*paths* found by a walk of *root*, less the hidden ones (blocking)."""
-        removed = self._removal_check_under(root)
-        return [path for path in paths if not removed(path)]
-
-
-def parse_mode(value):
-    """The apply's ``mode``, or None when it is not one of MODES."""
-    return value if isinstance(value, str) and value in MODES else None
@@ -1,148 +0,0 @@
-"""Return removed images to the library (#498).
-
-``POST /prompt_manager/images/removed/return {items | filter}`` names files a
-removal mark hides (#480, "Remove from the library only"): ``items`` are 1 to
-500 listing identities, ``filter`` the removed view's listing query
-(``removed: "1"`` plus the view's other parameters, at most 500 images). Only
-this route takes ``removed``: every other bulk route refuses it, because an
-explicit write there would show a file again without re-reading it.
-
-The route answers 202 ``{job, returned, not_removed}`` after starting a
-``scan`` job titled "Return images to the library" (admission ``records``:
-409 ``busy`` beside a scan, restore or delete, nothing changed). The job
-first deletes the marks that still hide their file (same size and
-``mtime_ns``), in one transaction, then scans exactly those files with the
-scan's own pipeline: prompts, links, pairs and Needs review items come back
-from the files' embedded metadata. Image tags, auto-tag marks, the own
-category, collection memberships and the favorite were deleted by the remove
-and do not come back. No file is moved, written or deleted.
-"""
-
-import os
-from pathlib import Path
-
-from aiohttp import web
-
-from .image_categories import TOO_MANY, _coded
-from .images import (
-    ListingSourceChanged,
-    _favorite_relative_key,
-    _json_body_or_error,
-    parse_listing_filter,
-)
-from .image_tag_jobs import MAX_JOB_TARGETS
-from .jobs import JobBusy
-from .job_routes import busy_response
-
-try:
-    from ...database.image_removal import mark_hides
-except ImportError:
-    from database.image_removal import mark_hides
-
-NONE_REMOVED = "None of the selected images are removed from the library."
-SOURCE_CHANGED = "The image sources changed. Reload Images and try again."
-
-
-def _bad(message):
-    return web.json_response({"success": False, "error": message}, status=400)
-
-
-class ImageReturnMixin:
-    """Return to library (#498): clear the marks, then scan those files."""
-
-    def _register_image_return_routes(self, routes):
-        # A fixed path beside the dynamic /images/{image_id} routes.
-        @routes.post("/prompt_manager/images/removed/return")
-        async def return_removed_images_route(request):
-            return await self.return_removed_images(request)
-
-    async def return_removed_images(self, request):
-        data, error = await _json_body_or_error(request)
-        if error is not None:
-            return error
-        if set(data) == {"filter"}:
-            targets, roots, error = await self._removed_filter_targets(data["filter"])
-        else:
-            _data, targets, roots, error = await self._category_request(
-                request, frozenset(), data=data
-            )
-        if error is not None:
-            return error
-        files = {}
-        for index in dict.fromkeys(t[0] for t in targets):
-            files[index] = await self._get_gallery_files(roots[index])
-        returned, not_removed = await self._run_in_executor(
-            self._hidden_targets, roots, targets, files
-        )
-        if not returned:
-            return _coded(400, "no-images", NONE_REMOVED)
-        try:
-            job = self._start_scan_job(
-                files="all", output_dirs=list(roots), returned=returned
-            )
-        except JobBusy as busy:
-            return busy_response(busy)
-        return web.json_response(
-            {
-                "success": True,
-                "job": job.summary(),
-                "returned": len(returned),
-                "not_removed": not_removed,
-            },
-            status=202,
-        )
-
-    async def _removed_filter_targets(self, raw):
-        """``(targets, roots, None)`` for the removed view's filter, else an error."""
-        if not isinstance(raw, dict) or raw.get("removed") != "1":
-            return None, None, _bad('filter must hold removed: "1"')
-        rest = {key: value for key, value in raw.items() if key != "removed"}
-        try:
-            parse_listing_filter(rest)
-            selection = await self.resolve_listing_filter(
-                {**rest, "removed": "1"}, MAX_JOB_TARGETS
-            )
-        except ListingSourceChanged:
-            return None, None, _coded(409, "source-changed", SOURCE_CHANGED)
-        except ValueError as exc:
-            return None, None, _bad(str(exc))
-        if selection.truncated:
-            return None, None, _coded(400, "too-many-images", TOO_MANY)
-        if not selection.targets:
-            return None, None, _coded(400, "no-images", NONE_REMOVED)
-        return tuple(selection.targets), list(self._get_all_output_dirs()), None
-
-    def _hidden_targets(self, roots, targets, files):
-        """``([(path, locator)], not_removed)``: the targets a mark hides now.
-
-        Each target is matched to its listed spelling (the walk's). One
-        physical file named twice (nested roots) is returned once; a target
-        that is not listed or not hidden counts in ``not_removed``.
-        """
-        marks = self._removal_marks()
-        listings, seen, returned, not_removed = {}, set(), [], 0
-        for index, _scope, relative in targets:
-            root = roots[index]
-            if index not in listings:
-                listings[index] = self._favorite_listing(root, files[index])
-            spelled = listings[index].get(_favorite_relative_key(relative))
-            if spelled is None:
-                not_removed += 1
-                continue
-            path = os.path.join(str(root), *spelled.split("/"))
-            locator = os.path.normcase(os.path.realpath(path))
-            if locator in seen:
-                continue
-            if not mark_hides(marks, locator, path):
-                not_removed += 1
-                continue
-            seen.add(locator)
-            returned.append((Path(path), locator))
-        return returned, not_removed
-
-    def _clear_returned_marks(self, returned) -> list:
-        """The paths whose marks this deleted (blocking; one transaction)."""
-        cleared = self.db.clear_hiding_marks(
-            [(locator, str(path)) for path, locator in returned]
-        )
-        return [path for path, locator in returned if locator in cleared]
@@ -488,11 +488,7 @@ class ImageTagJobsMixin:
                    _still_targets, self, index, root, files, seen
                )
            )
-        # #480: a file removed from the library is never tagged by a batch.
-        hidden = await self._run_in_executor(
-            self._removed_paths, [target.path for target in found]
-        )
-        return [target for target in found if target.path not in hidden]
+        return found

    async def _start_autotag(
        self, *, model_type, existing, options, keep_in_memory, title, owner_kind
@@ -531,7 +527,6 @@ class ImageTagJobsMixin:
        run = AutotagRun(
            model_type, existing, options, keep_in_memory, backup_on, owner
        )
-        admitted = False
        try:
            job = self._jobs.start(
                AUTOTAG_BATCH_JOB_KIND,
@@ -542,12 +537,11 @@ class ImageTagJobsMixin:
                groups=AUTOTAG_GROUP_NAMES,
                runner=functools.partial(self._run_autotag_batch, run),
            )
-            admitted = True
-        except JobBusy as refused:
-            return None, _busy_refusal(refused)
-        finally:
-            if not admitted:
-                model_gate.release(owner)
+        except BaseException as refused:
+            model_gate.release(owner)
+            if isinstance(refused, JobBusy):
+                return None, _busy_refusal(refused)
+            raise
        job.task.add_done_callback(lambda _task: model_gate.release(owner))
        return job, None

@@ -34,14 +34,15 @@ from .gallery_listing import (
    WalkOutcome,
    walk_root,
 )
-from . import preview_store, thumbnail_settings
-from .thumbnail_location import location_refusal
+from . import thumbnail_settings
 from .thumbnail_encode import (
    PREVIEW_HELD,
    EncoderClosed,
    PreviewWriteHeld,
+    replace_unless_held,
    run_encoder,
    sweep_stray_temps,
+    temp_sibling,
    thumbnail_frame,
    writer_settings,
    write_thumbnail,
@@ -54,7 +55,6 @@ from .inspection_service import (
    IMAGE_EXTENSIONS as _IMAGE_EXTENSIONS,
    SERVABLE_EXTENSIONS,
    VIDEO_EXTENSIONS,
-    image_tags_reader,
    inspect_current_file,
 )

@@ -65,12 +65,6 @@ try:
    from ...database.models import normalize_image_path
    from ...database.run_attribution import recorded_output_lookup
    from ...utils.card_seed import card_seed, header_params, parsed_positive
-    from ...utils.media_folders import (
-        in_skipped_folder,
-        in_trash_below_roots,
-        in_trash_folder,
-        is_skipped_folder,
-    )
    from ...utils.parallel import map_parallel
    from ...utils.json_strict import dumps_strict
    from ...utils.inspection_response import (
@@ -84,7 +78,7 @@ try:
        OpenerUnavailable,
        RevealGate,
        RevealTargetChanged,
-        is_same_origin_request,
+        is_local_request,
        reveal_executor,
        reveal_in_file_manager,
    )
@@ -96,12 +90,6 @@ except ImportError:
    from database.models import normalize_image_path
    from database.run_attribution import recorded_output_lookup
    from utils.card_seed import card_seed, header_params, parsed_positive
-    from utils.media_folders import (
-        in_skipped_folder,
-        in_trash_below_roots,
-        in_trash_folder,
-        is_skipped_folder,
-    )
    from utils.parallel import map_parallel
    from utils.json_strict import dumps_strict
    from utils.inspection_response import (
@@ -115,7 +103,7 @@ except ImportError:
        OpenerUnavailable,
        RevealGate,
        RevealTargetChanged,
-        is_same_origin_request,
+        is_local_request,
        reveal_executor,
        reveal_in_file_manager,
    )
@@ -286,20 +274,10 @@ def _forbidden(message="Access denied"):
    return web.json_response({"success": False, "error": message}, status=403)


-def _file_not_found():
-    return web.json_response(
-        {"success": False, "error": "Image file not found"},
-        status=404,
-        headers={"Cache-Control": "no-store"},
-    )
-
-
 def _media_access_error(path, allowed_dirs):
-    """The response refusing *path*, or None when it may be read.
+    """Return a 403 response when *path* must not be served, else None.

-    Fails closed: an empty *allowed_dirs* denies everything (403). A file in a
-    trash folder below its root is thrown away, not an output: a 404, as if it
-    were not there (#543), also through a link or another spelling.
+    Fails closed: an empty *allowed_dirs* denies everything.
    """
    if Path(path).suffix.lower() not in SERVABLE_EXTENSIONS:
        return _forbidden("Only media files can be served")
@@ -307,8 +285,6 @@ def _media_access_error(path, allowed_dirs):
        return _forbidden("No allowed image directories configured")
    if not any(_is_within(path, root) for root in allowed_dirs):
        return _forbidden()
-    if in_trash_below_roots(path, allowed_dirs):
-        return _file_not_found()
    return None


@@ -338,6 +314,11 @@ def _thumbnail_batch_size(workers):
    return max(4, workers * 2)


+# Preview files are written by thumbnail_encode in the configured format
+# (thumbnail_settings, #317); these names stay importable from here.
+_temp_sibling = temp_sibling
+_replace_unless_held = replace_unless_held
+
 # A preview that could not be replaced (#249 S5 M6). Windows refuses to rename
 # over a file another process has open (WinError 5 or 32), such as a preview
 # the gallery is serving; the old preview stays and the file counts as an error.
@@ -390,7 +371,6 @@ def _video_placeholder_image(thumbnail_size):
            font=font,
        )
    except (OSError, AttributeError):
-        # a placeholder without its label still works
        pass
    return img

@@ -494,7 +474,6 @@ def _preview_names(folders, folder):
                    except OSError:
                        continue
        except OSError:
-            # an unreadable folder lists as empty; nothing there to cache
            pass
        folders[folder] = names
    return names
@@ -813,12 +792,12 @@ def _reveal_not_found():
    )


-def _not_same_origin():
+def _not_local():
    return web.json_response(
        {
            "success": False,
-            "code": "not-same-origin",
-            "error": "This page's address does not match the server's.",
+            "code": "not-local",
+            "error": "Show in folder works only on the computer running ComfyUI.",
        },
        status=403,
    )
@@ -935,8 +914,7 @@ def _name_suffix(name):
 def _walk_media(output_path, max_files):
    """Yield the ``os.DirEntry`` of each media file under *output_path*.

-    Symlinks are never followed, ``thumbnails/`` and trash folders are
-    skipped (``utils.media_folders``, #501), descent stops
+    Symlinks are never followed, ``thumbnails/`` is skipped, descent stops
    at MAX_SCAN_DEPTH and at most *max_files* entries are produced. The order
    is ``os.walk``'s (top-down, subfolders in ``os.scandir`` order, files by
    name), which the gallery's ties in mtime keep. Each entry's type comes
@@ -948,6 +926,8 @@ def _walk_media(output_path, max_files):
    produced = 0
    while stack:
        top, rel_parts = stack.pop()
+        if "thumbnails" in rel_parts:
+            continue
        dirs, files = [], []
        try:
            with os.scandir(top) as entries:
@@ -971,7 +951,7 @@ def _walk_media(output_path, max_files):
        if len(rel_parts) >= MAX_SCAN_DEPTH:
            continue
        for entry in reversed(dirs):
-            if not entry.is_symlink() and not is_skipped_folder(entry.name):
+            if not entry.is_symlink():
                stack.append((entry.path, rel_parts + (entry.name,)))


@@ -995,10 +975,8 @@ def _settled_entry(root, relative):
    *folders, name = relative.split(os.sep)
    if _name_suffix(name).lower() not in MEDIA_EXTENSIONS:
        return None
-    if in_skipped_folder(folders) or len(folders) > MAX_SCAN_DEPTH:
+    if "thumbnails" in folders or len(folders) > MAX_SCAN_DEPTH:
        return None
-    if in_trash_below_roots(path, [root]):
-        return None  # a linked folder on the way leads into a trash folder
    folder = os.fspath(root)
    for part in ("", *folders):
        folder = os.path.join(folder, part) if part else folder
@@ -1069,24 +1047,13 @@ def _iter_media_files(output_path, max_files):


 def media_thumbnail_rel(rel_path, settings=None):
-    """``thumbnails/<rel>_thumb<ext>`` (POSIX URL text) for the media file
-    *rel_path*: the name the preview gets when it is written now (#317),
-    images and videos alike (``writer_settings``' extension). Where it is on
-    disk is ``media_preview_path``."""
+    """``thumbnails/<rel>_thumb<ext>`` (POSIX) for the media file *rel_path*:
+    the name the preview gets when it is written now (#317), images and
+    videos alike (``writer_settings``' extension)."""
    settings = settings or writer_settings()
    return thumbnail_settings.thumbnail_rel(rel_path, settings.extension)


-def media_preview_path(output_path, rel_path, settings=None, *, create=False):
-    """Where the preview of *rel_path* is written now (``preview_store``);
-    *create* for a writer (a new source gets its key). None when nothing
-    may be written (the thumbnail folder is unavailable)."""
-    settings = settings or writer_settings()
-    return preview_store.preview_path(
-        output_path, rel_path, settings.extension, create=create
-    )
-
-
 def existing_media_thumbnail(output_path, rel_path):
    """The existing preview *rel_path* owns that a listing or cover shows
    (the format written now first, then older ones), or None. The Images
@@ -1096,27 +1063,6 @@ def existing_media_thumbnail(output_path, rel_path):
    )


-def listing_thumbnail_url(output_path, rel_path):
-    """The thumbnail URL of an older listing (``_enrich_images``, the
-    auto-tag scan), or None. These run on the event loop: in folder mode
-    (#320) the store is never touched there, so the URL names the preview
-    as it is written now and the serve route finds or makes it off the loop
-    (None while the thumbnail folder is unavailable)."""
-    from .prompts import thumbnail_url_for
-
-    location = preview_store.current()
-    if location.mode == preview_store.FOLDER_MODE:
-        if not location.available:
-            return None
-        quoted = urllib.parse.quote(media_thumbnail_rel(rel_path), safe="/")
-        return f"/prompt_manager/images/serve/{quoted}"
-    existing = thumbnail_settings.existing_thumbnail(output_path, rel_path)
-    if existing is None:
-        return None
-    thumb_rel = thumbnail_settings.thumbnail_stem_rel(rel_path) + existing.suffix
-    return thumbnail_url_for(thumb_rel, existing)
-
-
 def media_thumbnail(output_path, rel_path, root_index, *, root_scope=None):
    """``(thumbnail_url, ready)`` for *rel_path* under *output_path* (a few
    blocking stats). The Images listing, the Needs review queue cards and the
@@ -1212,10 +1158,7 @@ def _workspace_filters(query: Mapping) -> dict:
    the linked positive, and ``favorites=1`` keeps only favorites (the
    Favorites page, #249 D51). ``collection=<id>`` (1 to 9 digits) keeps only
    that collection's members (#331); it wins over ``favorites`` (a page never
-    sets both). ``removed=1`` lists only the files a removal mark hides (#498,
-    Show removed images); such a file has no records, so it never combines
-    with ``favorites``, ``collection``, ``category``, ``tags`` or the rating
-    sort. Raises ValueError for any unknown or oversized value.
+    sets both). Raises ValueError for any unknown or oversized value.
    """
    text = query.get("q", "").strip()
    folded = text.casefold()
@@ -1230,12 +1173,6 @@ def _workspace_filters(query: Mapping) -> dict:
    )
    favorites = query.get("favorites", "0")
    collection = query.get("collection", "")
-    removed = query.get("removed", "0")
-    if removed not in ("0", "1") or (
-        removed == "1"
-        and (favorites == "1" or collection or category or tags or order == "rating")
-    ):
-        raise ValueError("Invalid gallery filters")
    if (
        favorites not in ("0", "1")
        or (collection != "" and _COLLECTION_ID.fullmatch(collection) is None)
@@ -1263,7 +1200,6 @@ def _workspace_filters(query: Mapping) -> dict:
        "tags": tags,
        "favorites": favorites == "1" and not collection,
        "collection": int(collection) if collection else None,
-        "removed": removed == "1",
    }


@@ -1566,7 +1502,7 @@ class ImageRoutesMixin:
        async def clear_image_favorite_route(request):
            return await self.update_image_favorite(request, favorite=False)

-        # POST, same-origin: opens the server computer's file manager (D38).
+        # POST, local-only: opens this computer's file manager (D38).
        @routes.post("/prompt_manager/images/reveal")
        async def reveal_image_route(request):
            return await self.reveal_image(request)
@@ -2135,7 +2071,6 @@ class ImageRoutesMixin:
                        filters["tags"],
                        filters["favorites"],
                        filters["collection"],
-                        filters["removed"],
                    ]
                ).encode()
            ).hexdigest()
@@ -2165,11 +2100,6 @@ class ImageRoutesMixin:
                    self._select_workspace_page, listings, filters, after, limit, scope
                )
            )
-            # #498: Show removed images (N), every removed file in the selected
-            # source(s) whatever the filters (the hidden set is cached work).
-            removed_total = len(
-                await self._run_in_executor(self._hidden_entries, listings)
-            )
        except CollectionMissing:
            return collection_not_found()
        except Exception:
@@ -2196,7 +2126,6 @@ class ImageRoutesMixin:
            "limit": limit,
            "has_more": has_more,
            "next_cursor": next_cursor,
-            "removed_total": removed_total,
        }
        if positive_count is _COUNT_OMITTED:
            del result["positive_count"]
@@ -2520,13 +2449,6 @@ class ImageRoutesMixin:
            def key(entry):
                return _workspace_key(entry, order)

-        # #480: files removed from the library stay on disk, hidden here; the
-        # removed view (#498) lists only them.
-        hidden = self._hidden_entries(listings)
-        if filters.get("removed"):
-            entries = [entry for entry in entries if entry.normalized in hidden]
-        elif hidden:
-            entries = [entry for entry in entries if entry.normalized not in hidden]
        return (
            entries,
            key,
@@ -2813,9 +2735,6 @@ class ImageRoutesMixin:
            if _has_traversal(filepath):
                return _forbidden()
            suffix = Path(filepath).suffix.lower()
-            if in_trash_folder(filepath):
-                # Before any file access, so no preview is made for it (#543).
-                return _file_not_found()
            if suffix not in SERVABLE_EXTENSIONS and not (
                # A JPEG XL preview is served from thumbnails/ only (#317).
                suffix in thumbnail_settings.THUMBNAIL_EXTENSIONS
@@ -2831,59 +2750,14 @@ class ImageRoutesMixin:
                    output_dirs[0], filepath, int(root_param), len(outputs)
                )

-            # Preview text is mapped by the resolver (#320); any other text,
-            # ``Thumbnails/...`` media on a case-sensitive disk included,
-            # keeps the plain join.
-            preview_parts = (
-                tuple(filepath.split("/"))
-                if preview_store.is_preview_text(filepath)
-                else None
-            )
-            location = preview_store.current()
-            if location.mode == preview_store.FOLDER_MODE:
-                if preview_parts is None and await self._run_image(
-                    self._in_source_thumbnails, output_dirs, filepath
-                ):
-                    # Previews live in the thumbnail folder: anything else
-                    # under a source's thumbnails/ is a leftover (#320), in
-                    # any case on a case-insensitive disk.
-                    return _forbidden()
-                if preview_parts is not None:
-                    # Store I/O never runs on the event loop (a share may
-                    # stall): the lookup runs on the image pool.
-                    found = await self._run_image(
-                        self._find_preview, output_dirs, preview_parts, location
-                    )
-                    if found == "forbidden":
-                        return _forbidden()
-                    if found is not None:
-                        return self._file_response(found)
            for output_path in output_dirs:
-                if (
-                    preview_parts is not None
-                    and location.mode == preview_store.FOLDER_MODE
-                ):
-                    break  # looked up above
-                if preview_parts is None:
-                    image_path = output_path / filepath
-                else:
-                    image_path = preview_store.request_path(output_path, preview_parts)
-                    if image_path is None:
-                        continue
+                image_path = output_path / filepath
                if not image_path.exists():
                    continue
-                # A symlink that points outside the root (a preview: outside
-                # the folder holding its store) is a hard deny, not a
-                # fall-through to the next root.
-                container = (
-                    output_path
-                    if preview_parts is None
-                    else preview_store.store_container(output_path)
-                )
-                if not _is_within(image_path, container):
+                # A symlink that points outside the root is a hard deny, not
+                # a fall-through to the next root.
+                if not _is_within(image_path, output_path):
                    return _forbidden()
-                if in_trash_below_roots(image_path, output_dirs):
-                    return _file_not_found()
                if image_path.is_file():
                    return self._file_response(image_path)

@@ -2906,48 +2780,6 @@ class ImageRoutesMixin:
                {"success": False, "error": _safe_error(e)}, status=500
            )

-    @staticmethod
-    def _in_source_thumbnails(output_dirs, filepath):
-        """Whether *filepath* lies in a source's ``thumbnails`` folder: its
-        first part is ``thumbnails`` exactly, or another case of it that is
-        the same folder (a case-insensitive disk). ``Thumbnails/`` media on
-        a case-sensitive disk is another folder and stays served."""
-        first = filepath.split("/", 1)[0]
-        if first == "thumbnails":
-            return True
-        if first.casefold() != "thumbnails":
-            return False
-        for output_path in output_dirs:
-            spelled = output_path / first
-            cache = preview_store.source_folder(output_path)
-            try:
-                if spelled.is_dir() and cache.is_dir() and spelled.samefile(cache):
-                    return True
-            except OSError:
-                continue
-        return False
-
-    @staticmethod
-    def _find_preview(output_dirs, parts, location):
-        """The preview file *parts* names in folder mode, ``"forbidden"``
-        (it resolves out of its store or through a link) or None (blocking;
-        the first root whose store holds it, in ``_select_root`` order)."""
-        for output_path in output_dirs:
-            image_path = preview_store.request_path(output_path, parts, location)
-            if image_path is None:
-                continue
-            try:
-                with preview_store.store_io():
-                    if not os.path.lexists(image_path):
-                        continue
-                    if not preview_store.owns(output_path, image_path, location):
-                        return "forbidden"
-                    if image_path.is_file():
-                        return image_path
-            except OSError:
-                return None
-        return None
-
    def _is_recorded_media(self, path) -> bool:
        """Whether the database records ``path`` as a linked image.

@@ -2977,9 +2809,8 @@ class ImageRoutesMixin:
        if _is_thumbnail_cache_path(filepath):
            return _forbidden()
        image_path = root / filepath
-        denied = _media_access_error(image_path, [root])
-        if denied is not None:
-            return denied
+        if not _is_within(image_path, root):
+            return _forbidden()
        if not image_path.is_file():
            return web.json_response(
                {"success": False, "error": "Image file not found"}, status=404
@@ -3074,9 +2905,6 @@ class ImageRoutesMixin:
        data, error = await _json_body_or_error(request)
        if error is not None:
            return error
-        refused = location_refusal()
-        if refused is not None:
-            return refused
        return await self._run_held(
            THUMBNAILS_JOB_KIND,
            THUMBNAIL_GENERATION_TITLE,
@@ -3096,7 +2924,6 @@ class ImageRoutesMixin:
            result = await self._run_in_executor(
                self._generate_gallery_thumbnails_sync, output_dirs
            )
-            await self._release_job_memory()
            return web.json_response(result)

        except Exception as e:
@@ -3109,7 +2936,6 @@ class ImageRoutesMixin:
        """Blocking thumbnail generation loop (run in executor)."""
        settings = writer_settings(settings)
        start = _time.monotonic()
-        thumbnails_dir = preview_store.given_store(output_path, thumbnails_dir)
        plan = self._plan_thumbnails(output_path, thumbnails_dir, settings=settings)
        payload = self._execute_thumbnail_plan(plan, settings, start)
        payload["thumbnails_path"] = _public_path(thumbnails_dir)
@@ -3122,8 +2948,7 @@ class ImageRoutesMixin:
        start = _time.monotonic()
        plan = self._plan_gallery_thumbnails(output_dirs, settings=settings)
        payload = self._execute_thumbnail_plan(plan, settings, start)
-        store = preview_store.store_dir(output_dirs[0])
-        payload["thumbnails_path"] = None if store is None else _public_path(store)
+        payload["thumbnails_path"] = _public_path(output_dirs[0] / "thumbnails")
        return payload

    def _execute_thumbnail_plan(self, plan: dict, settings, start: float) -> dict:
@@ -3166,12 +2991,9 @@ class ImageRoutesMixin:
            if stop is not None and stop():
                break
            root = Path(root)
-            store = preview_store.ensure_store(root)
-            if store is None:
-                continue  # the thumbnail folder is unavailable
            plan = self._plan_thumbnails(
                root,
-                store,
+                root / "thumbnails",
                mode=mode,
                stop=stop,
                settings=settings,
@@ -3210,8 +3032,6 @@ class ImageRoutesMixin:
                    "format": writer_settings().format,
                    # Files whose automatic preview failed this session (#249).
                    "failed": self._auto_thumbnail_failures(),
-                    # #320: where previews live (no path here, D6A).
-                    "location": self._thumbnail_location_payload(with_path=False),
                    "collection_id": hashlib.sha256(collection.encode()).hexdigest()[
                        :16
                    ],
@@ -3250,27 +3070,20 @@ class ImageRoutesMixin:
        no symlinks), each preview folder is listed once, and at most
        MAX_THUMBNAIL_FILES targets are queued per batch (a job plans again
        after each batch); ``remaining`` counts the targets beyond that cap.
-        Sources in *exclude* (worked on by an earlier batch) are left out, and
-        so are files removed from the library (#501: a removal mark hides
-        them, and their previews went with their records).
+        Sources in *exclude* (worked on by an earlier batch) are left out.
        ``stop()`` true ends the walk before the next file.
        """
        settings = writer_settings(settings)
        output_path = Path(output_path)
-        thumbnails_dir = preview_store.given_store(output_path, thumbnails_dir)
+        thumbnails_dir = Path(thumbnails_dir)
        plan = {key: 0 for key in _PLAN_COUNTS}
        plan.update(targets=[], fresh_files=[])
-        if thumbnails_dir is None:
-            return plan  # the thumbnail folder is unavailable
        folders = {}
-        removed = self._removal_check_under(output_path)
        for src in _iter_media_files(output_path, MAX_GALLERY_FILES):
            if stop is not None and stop():
                break
            if exclude and src in exclude:
                continue
-            if removed(src):
-                continue
            rel_no_ext = src.relative_to(output_path).with_suffix("")
            stem = f"{rel_no_ext.name}{thumbnail_settings.THUMB_SUFFIX}"
            dst = thumbnails_dir / rel_no_ext.parent / (stem + settings.extension)
@@ -3351,9 +3164,6 @@ class ImageRoutesMixin:
            "dir": src.parent.name,
            "type": "video" if is_video else "image",
        }
-        # Taken when the write starts: a thumbnail location switched since
-        # then drops the write at its rename (#320).
-        guard = preview_store.write_guard(guard)
        dst = Path(dst)
        if dst.suffix != settings.extension:
            dst = dst.with_suffix(settings.extension)
@@ -3364,7 +3174,7 @@ class ImageRoutesMixin:
                return {**result, "action": "error", "error": "File no longer exists"}
            if not rebuild and _thumbnail_is_fresh(src, dst):
                return {**result, "action": "skipped", "path": str(dst)}
-            preview_store.make_parent(dst)
+            dst.parent.mkdir(parents=True, exist_ok=True)
            if is_video:
                made = self._generate_video_thumbnail(
                    src,
@@ -3569,12 +3379,8 @@ class ImageRoutesMixin:

        Invalid thumbnail directories return 400; unavailable gallery roots
        return 404, and unexpected filesystem failures return 500. Holds the
-        registry as guarded work, like generation. Refused (409) while the
-        thumbnail folder is unavailable (#320).
+        registry as guarded work, like generation.
        """
-        refused = location_refusal()
-        if refused is not None:
-            return refused
        return await self._run_held(
            THUMBNAILS_JOB_KIND,
            THUMBNAIL_CLEAR_TITLE,
@@ -3638,12 +3444,8 @@ class ImageRoutesMixin:
            self.logger.debug(f"No roots to sweep for preview temp files: {exc}")
            return 0
        for output_path in output_dirs:
-            folder = preview_store.store_dir(output_path)
-            if (
-                folder is None
-                or preview_store.store_is_link(folder)
-                or not folder.is_dir()
-            ):
+            folder = Path(output_path) / "thumbnails"
+            if folder.is_symlink() or not folder.is_dir():
                continue
            removed += sweep_stray_temps(folder)[0]
        if removed:
@@ -3661,16 +3463,13 @@ class ImageRoutesMixin:
        directories = []
        for output_path in output_dirs:
            output_path = Path(output_path)
-            thumbnails_dir = preview_store.store_dir(output_path)
-            if thumbnails_dir is None:
-                continue
+            thumbnails_dir = output_path / "thumbnails"
            if not thumbnails_dir.exists() and not thumbnails_dir.is_symlink():
                continue
-            container = preview_store.store_container(output_path)
            if (
-                preview_store.store_is_link(thumbnails_dir)
-                or not _is_within(thumbnails_dir, container)
-                or _canonical(thumbnails_dir) == _canonical(container)
+                thumbnails_dir.is_symlink()
+                or not _is_within(thumbnails_dir, output_path)
+                or _canonical(thumbnails_dir) == _canonical(output_path)
            ):
                raise ValueError(
                    "Safety check failed: invalid thumbnails directory path"
@@ -3685,15 +3484,7 @@ class ImageRoutesMixin:
            temps, temp_bytes = sweep_stray_temps(thumbnails_dir, min_age=0)
            cleared_count += temps
            cleared_size += temp_bytes
-            folder_mode = preview_store.current().mode == preview_store.FOLDER_MODE
-            for root, dirs, files in os.walk(thumbnails_dir):
-                if folder_mode:
-                    # Never into a junction or reparse point (#320).
-                    dirs[:] = [
-                        d
-                        for d in dirs
-                        if not preview_store.store_is_link(Path(root) / d)
-                    ]
+            for root, _dirs, files in os.walk(thumbnails_dir):
                for name in files:
                    path = Path(root) / name
                    if (
@@ -3701,7 +3492,6 @@ class ImageRoutesMixin:
                        or path.suffix.lower()
                        not in thumbnail_settings.THUMBNAIL_EXTENSIONS
                        or path.is_symlink()
-                        or not preview_store.may_write(path)
                    ):
                        continue
                    try:
@@ -3861,12 +3651,12 @@ class ImageRoutesMixin:
    async def reveal_image(self, request):
        """POST ``{root_index, root_scope, path}``: show the file in its folder.

-        Same-origin and JSON-only, directly or through a proxy: the folder
-        opens on the computer running ComfyUI, wherever the browser is
-        (maintainer decision, #533). One reveal at a time (429 busy).
+        Local-only (a same-origin browser request from a loopback client, no
+        forwarding header) and JSON-only: the browser must run on the
+        computer whose file manager opens. One reveal at a time (429 busy).
        """
-        if not is_same_origin_request(request.headers, request.scheme):
-            return _not_same_origin()
+        if not is_local_request(request.remote, request.headers, request.scheme):
+            return _not_local()
        if request.content_type != "application/json":
            # A non-JSON POST is a CORS "simple" request with no preflight.
            return web.json_response(
@@ -3944,9 +3734,7 @@ class ImageRoutesMixin:
                {
                    "success": False,
                    "code": "unavailable",
-                    "error": (
-                        "No file manager is available on the computer running ComfyUI."
-                    ),
+                    "error": "No file manager is available on this computer.",
                },
                status=501,
            )
@@ -4151,8 +3939,7 @@ class ImageRoutesMixin:
                    **observed,
                )

-            # Header and text reads: the interactive image pool (#523).
-            body = await self._run_image(inspect)
+            body = await self._run_in_executor(inspect)
            if body is None:
                return web.json_response(
                    {
@@ -4175,9 +3962,28 @@ class ImageRoutesMixin:
            )

    def _inspection_image_tags(self, root: Path, parts: tuple) -> Callable:
-        """The inspector's ``image_tags`` reader for one rooted file (S1)."""
+        """The inspector's ``image_tags`` reader for one rooted file (S1).
+
+        The returned function takes the inspection's own stable stat and
+        answers ``current`` only for a byte record verified at exactly that
+        ``(size, mtime_ns)``; a failed read is ``unavailable``, never an error.
+        """
        locator = os.path.normcase(os.path.join(os.path.realpath(root), *parts))
-        return image_tags_reader(self.db, locator, self.logger)
+
+        def read(size: int, mtime_ns: int) -> dict:
+            try:
+                found = self.db.current_image_tags({locator: (size, mtime_ns)})
+            except Exception:
+                self.logger.warning(
+                    "Inspection image tags could not be read", exc_info=True
+                )
+                return {"state": "unavailable", "tags": []}
+            tags = found.get(locator)
+            if tags is None:
+                return {"state": "none", "tags": []}
+            return {"state": "current", "tags": list(tags)}
+
+        return read

    def _read_own_category(self, sources, path):
        """One file's own category, None, or OWN_CATEGORY_UNREAD (blocking).
@@ -4365,22 +4171,6 @@ class ImageRoutesMixin:
        # (which Windows refuses on open files) is not held up by it.
        return _CardFacts(width, height, *self._card_parse(path, records))

-    def _cached_card_facts(self, entry: tuple) -> _CardFacts | None:
-        path, mtime, root, index = entry[:4]
-        return self._workspace_card_cache.get((index, str(root)), {}).get((path, mtime))
-
-    def _card_facts_of(self, entries: list, *, parse: bool) -> list[_CardFacts]:
-        """Card facts of *entries*, in order; files not cached yet are read on
-        the interactive image pool (#523), cached ones answer here."""
-        found = [self._cached_card_facts(entry) for entry in entries]
-        missing = [i for i, facts in enumerate(found) if facts is None]
-        read = self._map_image(
-            lambda i: self._card_facts(entries[i], parse=parse), missing
-        )
-        for i, facts in zip(missing, read):
-            found[i] = facts
-        return found
-
    def _card_facts(self, entry: tuple, *, parse: bool) -> _CardFacts:
        """One listed image's card facts, read once per ``(path, mtime)``.

@@ -4389,11 +4179,11 @@ class ImageRoutesMixin:
        and drops the rest, and a roots change drops them all. Only files of
        the current scan are stored, so the cache is bounded by the listing.
        """
-        cached = self._cached_card_facts(entry)
-        if cached is not None:
-            return cached
        path, mtime, root, index = entry[:4]
        root_key, key = (index, str(root)), (path, mtime)
+        cached = self._workspace_card_cache.get(root_key, {}).get(key)
+        if cached is not None:
+            return cached
        facts = self._read_card_facts(path, parse=parse)
        if facts is None:
            # Not stored: a locked or half-written file may read next time.
@@ -4419,17 +4209,15 @@ class ImageRoutesMixin:
            if linked
            else {}
        )
-        # Videos: the card reads no video metadata. Library previews show
-        # no card facts, so they skip the parse (``parse=linked``).
-        stills = [image for image in images if not image["is_video"]]
-        read = self._card_facts_of(
-            [entries[(image["root_index"], image["path"])] for image in stills],
-            parse=linked,
-        )
-        facts_of = {id(image): facts for image, facts in zip(stills, read)}
        for image in images:
            entry = entries[(image["root_index"], image["path"])]
-            facts = facts_of.get(id(image), _NO_CARD_FACTS)
+            # Videos: the card reads no video metadata. Library previews show
+            # no card facts, so they skip the parse (``parse=linked``).
+            facts = (
+                _NO_CARD_FACTS
+                if image["is_video"]
+                else self._card_facts(entry, parse=linked)
+            )
            image["width"], image["height"] = facts.width, facts.height
            if not linked:
                continue
@@ -93,35 +93,6 @@ def _in_host_temp(path: Path) -> bool:
        return False


-def image_tags_reader(
-    db: Any, locator: str, logger: Any, *, close: bool = False
-) -> Callable[[int, int], dict]:
-    """The inspector's ``image_tags`` reader for one file *locator* (S1).
-
-    The returned function takes the inspection's own stable stat and answers
-    ``current`` only for a byte record verified at exactly that
-    ``(size, mtime_ns)``; a failed read is ``unavailable``, never an error.
-    ``close`` closes the calling thread's connection afterwards, for routes
-    that close theirs after reading (History).
-    """
-
-    def read(size: int, mtime_ns: int) -> dict:
-        try:
-            found = db.current_image_tags({locator: (size, mtime_ns)})
-        except Exception:
-            logger.warning("Inspection image tags could not be read", exc_info=True)
-            return {"state": "unavailable", "tags": []}
-        finally:
-            if close:
-                db.model.close()
-        tags = found.get(locator)
-        if tags is None:
-            return {"state": "none", "tags": []}
-        return {"state": "current", "tags": list(tags)}
-
-    return read
-
-
 def inspect_current_file(
    path: Path,
    *,
@@ -250,7 +250,7 @@ class JobRoutesMixin:
        try:
            await response.write(_summary_event(job))
            async with contextlib.aclosing(job.events()) as events:
-                async for _ in events:
+                async for _payload in events:
                    await response.write(_summary_event(job))
            # The last event is published before the job takes its final state.
            await response.write(_summary_event(job))
@@ -123,11 +123,6 @@ MODEL_DOWNLOAD_JOB_KIND = "model_download"
 DUPLICATES_JOB_KIND = "duplicates"
 DUPLICATE_GROUP_NAMES = ("groups_found",)
 DUPLICATE_CLEANUP_GROUP_NAMES = ("removed", "kept", "errors")
-# The workspace Library's Delete… (#443, py/api/library_delete.py): a
-# ``records`` hold around its safety backup and write.
-PROMPT_DELETE_JOB_KIND = "prompt_delete"
-IMAGE_DELETE_JOB_KIND = "image_delete"  # #480
-IMAGE_DELETE_GROUP_NAMES = ("trashed", "removed", "not_changed", "errors")
 # The System health check (py/api/system.py): a read-only ``read`` job with
 # no file outcomes, so it may run beside a scan.
 HEALTH_JOB_KIND = "health"
@@ -21,11 +21,9 @@ from .pairs import pair_response
 try:
    from ...database.library import ARCHIVE_SCOPES
    from ...database.library_commands import LibraryCommandError
-    from ...database.library_folders import folder_prefixes, normalize_folder
 except ImportError:
    from database.library import ARCHIVE_SCOPES
    from database.library_commands import LibraryCommandError
-    from database.library_folders import folder_prefixes, normalize_folder

 _SECRET = os.urandom(32)

@@ -157,13 +155,6 @@ def _archive_scope(request: web.Request) -> str:
    return value


-def _shelf(request: web.Request) -> str:
-    value = request.query.get("shelf", "active")
-    if value not in ("active", "archived"):
-        raise ValueError("shelf must be active or archived")
-    return value
-
-
 def _missing() -> web.Response:
    return web.json_response(
        {"success": False, "error": "Positive prompt not found"}, status=404
@@ -292,87 +283,36 @@ class LibraryRoutesMixin:
        outputs = list(self._get_all_output_dirs())
        return self._media_roots(outputs), len(outputs)

-    def _library_root_spellings(self) -> list[str]:
-        """Every spelling of each output root (#444 folder filter): the
-        validated, resolved root and each configured or detected path that
-        resolves to it, so images saved through a symlinked root match."""
-        from ..config import GalleryConfig
-
-        roots = [str(root) for root in self._get_all_output_dirs()]
-        candidates = [
-            *GalleryConfig.MONITORING_DIRECTORIES,
-            self._find_comfyui_output_dir(),
-            *self._comfyui_output_dir_list(),
-        ]
-        spellings = []
-        for root in roots:
-            for value in (root, *candidates):
-                if not value or not isinstance(value, (str, os.PathLike)):
-                    continue
-                value = str(value)
-                same = value == root or os.path.normcase(
-                    os.path.realpath(value)
-                ) == os.path.normcase(root)
-                if same and value not in spellings:
-                    spellings.append(value)
-        return spellings
-
    @pair_response
    async def get_library_options(self, request: web.Request) -> web.Response:
-        include = request.query.get("include", "")
-        if include not in ("", "folders"):
-            raise ValueError("include must be empty or 'folders'")
-        if include:
-            # Folders are read only when Refine opens (a walk of linked paths).
-            roots = await self._run_in_executor(self._library_root_spellings)
-            result = await self._run_in_executor(self.db.get_library_options, roots)
-        else:
-            result = await self._run_in_executor(self.db.get_library_options)
+        result = await self._run_in_executor(self.db.get_library_options)
        return web.json_response({"success": True, **result})

    @pair_response
    async def list_library(self, request: web.Request) -> web.Response:
-        folder = normalize_folder(request.query.get("folder", ""))
        options = {
            "text": request.query.get("text", ""),
            "category": request.query.get("category"),
            "tags": sorted(set(request.query.getall("tag", []))),
-            "tag_mode": request.query.get("tag_mode", "all"),
            "sort": request.query.get("sort", "newest"),
-            # #443: which shelf; part of the cursor scope, so a cursor never
-            # crosses shelves. Not the variant ``archive`` scope of /{id}.
-            "shelf": _shelf(request),
        }
        limit = _page_limit(request)
        cursor = request.query.get("cursor")
-        roots = (
-            await self._run_in_executor(self._library_root_spellings) if folder else []
-        )
-        prefixes = folder_prefixes(roots, folder) if folder else None

        def read() -> tuple[dict, dict]:
            with self.db.library_snapshot(include_ceiling=True) as snapshot:
                conn, epoch, ceiling = snapshot
-                # The folder and the roots it was resolved under join the scope.
                scope = _scope(
-                    {
-                        "kind": "parents",
-                        "projection": 2,
-                        "epoch": epoch,
-                        **options,
-                        **({"folder": folder, "roots": roots} if folder else {}),
-                    }
+                    {"kind": "parents", "projection": 2, "epoch": epoch, **options}
                )
                result = self.db._list_library(
                    conn,
                    epoch,
                    ceiling,
                    **options,
-                    folder_prefixes=prefixes,
                    limit=limit,
                    after=_decode(cursor, scope),
                )
-                result["folder"] = folder
                records = self.db.get_library_previews(
                    [parent["id"] for parent in result["items"]]
                )
@@ -1,321 +0,0 @@
-"""Delete or archive selected Library prompts, and restore archived ones (#443).
-
-The workspace Prompt library's Delete… (D152). The legacy ``POST
-/prompt_manager/bulk/delete`` and ``DELETE /prompt_manager/delete/{id}`` are
-separate and unchanged.
-
- ``POST /prompt_manager/library/delete/preview {prompt_ids, expected_epoch}``
-  classifies the selection (reads only, under a lease): the ids to ``delete``
-  (in no saved pair), to ``archive`` (paired), the ``protected`` ones (tagged
-  ``__protected__``, kept), counts of ``already_archived`` and ``not_found``,
-  the ``image_links`` a delete removes, the safety ``backup`` policy and,
-  when a backup would be taken, the ``disk`` it needs.
- ``POST /prompt_manager/library/delete {archive_ids, delete_ids,
-  expected_epoch, backup}`` executes that review under a ``records`` hold
-  (refused 409 ``busy`` beside a scan, restore, maintenance, move or
-  Optimize). When a delete remains and a backup was promised (the reviewed
-  ``backup`` was "on" or the policy is on now) it checks the disk (507
-  ``insufficient-space``) and takes a verified safety backup (500
-  ``backup-failed``); then one transaction deletes the reviewed deletes whose
-  fingerprint is unchanged since the backup and archives the paired ones.
- ``POST /prompt_manager/library/restore {prompt_ids, expected_epoch}``
-  removes the archive mark (under a lease).
-
-A changed storage epoch answers 409 ``storage-changed``; nothing is written.
-"""
-
-import sqlite3
-
-from aiohttp import web
-
-try:
-    from ...database.library_commands import LibraryCommandError
-    from ...database.safety_backup import SafetyBackupFailed
-except ImportError:
-    from database.library_commands import LibraryCommandError
-    from database.safety_backup import SafetyBackupFailed
-
-from . import maintenance as _maintenance
-from .admin import _prune_safety_backups
-from .job_routes import busy_response
-from .jobs import PROMPT_DELETE_JOB_KIND, JobBusy
-from .prompts import parse_bulk_prompt_ids
-
-PREVIEW_URL = "/prompt_manager/library/delete/preview"
-DELETE_URL = "/prompt_manager/library/delete"
-RESTORE_URL = "/prompt_manager/library/restore"
-DELETE_TITLE = "Delete prompts (Library)"
-_SELECTION_KEYS = frozenset({"prompt_ids", "expected_epoch"})
-_DELETE_KEYS = frozenset({"archive_ids", "delete_ids", "expected_epoch", "backup"})
-# #482: Delete permanently, with its digests; both or neither (a #443 body).
-_PAIRED_KEYS = frozenset({"delete_paired_ids", "paired_digests"})
-# #492: the shelf the Delete… runs on, optional on its own (default "active").
-_SHELF_KEYS = frozenset({"shelf"})
-STORAGE_CHANGED = "Prompt storage was restored; refresh the library"
-
-
-def _failure(status, code, error, **extra):
-    return web.json_response(
-        {"success": False, "code": code, "error": error, **extra}, status=status
-    )
-
-
-def _invalid(message):
-    return _failure(400, "invalid-request", message)
-
-
-def _storage_changed(exc):
-    return _failure(409, exc.code, STORAGE_CHANGED, library_epoch=exc.epoch)
-
-
-async def _body(request, keys, *groups):
-    """The JSON object with exactly ``keys``, plus all or none of each group."""
-    try:
-        data = await request.json()
-    except ValueError:
-        raise ValueError("Expected a JSON object") from None
-    if not isinstance(data, dict):
-        raise ValueError("Expected a JSON object")
-    extra = set(data) - keys
-    partial = False
-    for group in groups:
-        if extra & group:
-            partial = partial or not group <= extra
-            extra -= group
-    if not keys <= set(data) or extra or partial:
-        raise ValueError("Request must contain exactly " + ", ".join(sorted(keys)))
-    return data
-
-
-def _shelf(data):
-    """#492: the shelf a Delete… was reviewed on."""
-    shelf = data.get("shelf", "active")
-    if shelf not in ("active", "archived"):
-        raise ValueError("shelf must be active or archived")
-    return shelf
-
-
-def _paired_delete(data, archive_ids):
-    """#482: the reviewed archive ids to delete with their pairs -> digest."""
-    if "delete_paired_ids" not in data:
-        return {}
-    ids = _reviewed_ids(data["delete_paired_ids"], "delete_paired_ids")
-    digests = data["paired_digests"]
-    if not isinstance(digests, dict):
-        raise ValueError("paired_digests must map prompt ids to digests")
-    if not set(ids) <= set(archive_ids):
-        raise ValueError("delete_paired_ids must be reviewed archive ids")
-    chosen = {}
-    for pid in ids:
-        digest = digests.get(str(pid))
-        if not isinstance(digest, str) or len(digest) != 64:
-            raise ValueError("Every delete_paired_ids entry needs its review digest")
-        chosen[pid] = digest
-    return chosen
-
-
-def _reviewed_ids(value, name):
-    """A reviewed id list: possibly empty, else as ``parse_bulk_prompt_ids``."""
-    if value == []:
-        return []
-    try:
-        return parse_bulk_prompt_ids(value)
-    except ValueError as exc:
-        raise ValueError(str(exc).replace("prompt_ids", name)) from None
-
-
-class LibraryDeleteRoutesMixin:
-    """Mixin providing the workspace Library's delete, archive and restore."""
-
-    def _register_library_delete_routes(self, routes):
-        routes.post(PREVIEW_URL)(self.preview_library_delete)
-        routes.post(DELETE_URL)(self.delete_library_prompts)
-        routes.post(RESTORE_URL)(self.restore_library_prompts)
-
-    async def preview_library_delete(self, request):
-        try:
-            data = await _body(request, _SELECTION_KEYS, _SHELF_KEYS)
-            ids = parse_bulk_prompt_ids(data["prompt_ids"])
-            shelf = _shelf(data)
-        except ValueError as exc:
-            return _invalid(str(exc))
-        db = self.db
-        policy = self._safety_backup_policy()
-        try:
-            async with self._jobs.lease("Library delete review"):
-                review = await self._run_in_executor(
-                    db.classify_library_delete,
-                    ids,
-                    expected_epoch=data["expected_epoch"],
-                    shelf=shelf,
-                )
-                disk = None
-                if (review["delete"] or review["deletable"]) and policy == "on":
-                    public, short, _size = await self._run_in_executor(
-                        _maintenance.disk_plan,
-                        db.model.db_path,
-                        backup=True,
-                        vacuum=False,
-                    )
-                    disk = {
-                        **public,
-                        "message": (
-                            None
-                            if short is None
-                            else _maintenance.short_space_message(short)
-                        ),
-                    }
-        except JobBusy as busy:
-            return busy_response(busy)
-        except LibraryCommandError as exc:
-            return _storage_changed(exc)
-        except ValueError as exc:
-            return _invalid(str(exc))
-        except (OSError, sqlite3.Error):
-            self.logger.exception("Library delete review failed")
-            return _failure(500, "review-failed", "The delete could not be reviewed")
-        return web.json_response(
-            {
-                "success": True,
-                "library_epoch": review["library_epoch"],
-                "delete": review["delete"],
-                "archive": review["archive"],
-                "protected": review["protected"],
-                "already_archived": len(review["already_archived"]),
-                "not_archived": len(review["not_archived"]),
-                "not_found": len(review["not_found"]),
-                "image_links": review["image_links"],
-                # #482: the archive ids Delete permanently may delete with pairs.
-                "deletable": review["deletable"],
-                "review_digests": {
-                    str(pid): digest for pid, digest in review["review_digests"].items()
-                },
-                "paired_counts": review["paired_counts"],
-                "paired_image_links": review["paired_image_links"],
-                "backup": policy,
-                "disk": disk,
-            }
-        )
-
-    async def delete_library_prompts(self, request):
-        try:
-            data = await _body(request, _DELETE_KEYS, _PAIRED_KEYS, _SHELF_KEYS)
-            shelf = _shelf(data)
-            archive_ids = _reviewed_ids(data["archive_ids"], "archive_ids")
-            delete_ids = _reviewed_ids(data["delete_ids"], "delete_ids")
-            if not archive_ids and not delete_ids:
-                raise ValueError("Nothing to delete or archive")
-            if len(archive_ids) + len(delete_ids) > 1000:
-                raise ValueError("At most 1000 prompts can be changed at once")
-            if set(archive_ids) & set(delete_ids):
-                raise ValueError("A prompt cannot be both archived and deleted")
-            if data["backup"] not in ("on", "off"):
-                raise ValueError("backup must be on or off")
-            paired = _paired_delete(data, archive_ids)
-        except ValueError as exc:
-            return _invalid(str(exc))
-        busy = self._jobs.blocker(PROMPT_DELETE_JOB_KIND, admission="records")
-        if busy is not None:
-            return busy_response(JobBusy(busy))
-        try:
-            async with self._jobs.hold(
-                PROMPT_DELETE_JOB_KIND, DELETE_TITLE, admission="records"
-            ) as job:
-                response = await self._held_library_delete(
-                    self.db, data, archive_ids, delete_ids, paired, shelf
-                )
-                if response.status >= 400:
-                    job.finish("failed")
-                return response
-        except JobBusy as busy:
-            return busy_response(busy)
-
-    async def _held_library_delete(
-        self, db, data, archive_ids, delete_ids, paired, shelf="active"
-    ):
-        epoch = data["expected_epoch"]
-        promised = data["backup"] == "on" or self._safety_backup_policy() == "on"
-        backup = None
-        try:
-            candidates = None
-            if delete_ids or paired:
-                review = await self._run_in_executor(
-                    db.classify_library_delete,
-                    [*delete_ids, *paired],
-                    expected_epoch=epoch,
-                    # #492: the same shelf, or archived ids would skip the backup.
-                    shelf=shelf,
-                )
-                candidates = review["fingerprints"]
-                # #482: a permanent delete of a prompt in a saved pair is backed up too.
-                if (candidates or review["deletable"]) and promised:
-                    _disk, short, _size = await self._run_in_executor(
-                        _maintenance.disk_plan,
-                        db.model.db_path,
-                        backup=True,
-                        vacuum=False,
-                    )
-                    if short is not None:
-                        return _failure(
-                            507,
-                            "insufficient-space",
-                            _maintenance.short_space_message(short),
-                        )
-                    backup = await self._run_in_executor(
-                        _maintenance.take_safety_backup, db.model
-                    )
-            result = await self._run_in_executor(
-                db.archive_or_delete_library_prompts,
-                archive_ids,
-                delete_ids,
-                expected_epoch=epoch,
-                candidates=candidates if candidates is not None else {},
-                delete_paired=paired,
-                shelf=shelf,
-            )
-        except LibraryCommandError as exc:
-            return _storage_changed(exc)
-        except SafetyBackupFailed as error:
-            self.logger.error("Safety backup before a Library delete failed")
-            return _failure(
-                500, "backup-failed", _maintenance.backup_failed_message(error)
-            )
-        except ValueError as exc:
-            return _invalid(str(exc))
-        except (OSError, sqlite3.Error):
-            self.logger.exception("Library delete failed")
-            return _failure(500, "delete-failed", "The prompts could not be changed")
-        finally:
-            if backup is not None:
-                await self._prune_after_delete(db)
-        return web.json_response({"success": True, **result, "backup": backup})
-
-    async def _prune_after_delete(self, db):
-        try:
-            await self._run_in_executor(_prune_safety_backups, db.model.db_path)
-        except Exception:  # pruning old copies never fails the delete
-            self.logger.exception("Could not prune old safety backups")
-
-    async def restore_library_prompts(self, request):
-        try:
-            data = await _body(request, _SELECTION_KEYS)
-            ids = parse_bulk_prompt_ids(data["prompt_ids"])
-        except ValueError as exc:
-            return _invalid(str(exc))
-        try:
-            async with self._jobs.lease("Library restore"):
-                result = await self._run_in_executor(
-                    self.db.restore_library_prompts,
-                    ids,
-                    expected_epoch=data["expected_epoch"],
-                )
-        except JobBusy as busy:
-            return busy_response(busy)
-        except LibraryCommandError as exc:
-            return _storage_changed(exc)
-        except ValueError as exc:
-            return _invalid(str(exc))
-        except (OSError, sqlite3.Error):
-            self.logger.exception("Library restore failed")
-            return _failure(500, "restore-failed", "The prompts could not be restored")
-        return web.json_response({"success": True, **result})
@@ -50,7 +50,6 @@ _REFUSAL_STATUS = {
    "not-movable": 400,
    "same-folder": 400,
    "target-invalid": 400,
-    "data-dir-served": 400,
    "target-has-library": 409,
    "target-conflict": 409,
    "insufficient-space": 507,
@@ -75,16 +74,6 @@ def _failure(message, status, code):
    )


-def _inside_thumbnail_folder(path):
-    """Whether *path* lies in the thumbnail folder in use (#320)."""
-    from . import preview_store
-
-    setting = preview_store.setting()
-    if setting.mode != preview_store.FOLDER_MODE or not setting.path:
-        return False
-    return ll._inside_any(path, [setting.path])
-
-
 def _plural(count, one, many=None):
    return f"{count:,} {one if count == 1 else (many or one + 's')}"

@@ -218,7 +207,6 @@ class LibraryLocationRoutesMixin:
        try:
            size = os.path.getsize(location.db_path)
        except OSError:
-            # no library file yet: report size 0
            pass
        return {
            "path": self._library_public_path(location.db_path),
@@ -283,8 +271,6 @@ class LibraryLocationRoutesMixin:
    def _plan_library_move(self):
        """The checked plan (blocking); raises MoveFailed."""
        plan = lm.plan_move(self._live_location())
-        if _inside_thumbnail_folder(plan.target_dir):
-            raise lm.MoveFailed("data-dir-served")
        if lm.space_problem(plan) is not None:
            raise lm.MoveFailed("insufficient-space")
        return plan
@@ -387,7 +373,6 @@ class LibraryLocationRoutesMixin:
        line += ". Logs move at the next restart."
        job.log_line(line)
        job.update(progress=100, status_line=line)
-        return None

    @staticmethod
    def _fail_library_move(job, code, message):
@@ -205,4 +205,3 @@ class LogCleanupMixin:
            line += f", {failed} could not be deleted"
        job.log_line(line)
        job.update(processed=len(files), progress=100, status_line=line)
-        return None
@@ -436,7 +436,7 @@ class LoraImportRoutesMixin:
            job.log_line(f"{CANCELLED} {CACHE_NOTE}")
            job.update(status_line=CANCELLED)
            job.finish("cancelled")
-            return None
+            return
        except Exception:
            self.logger.exception("LoRA import staging failed")
            return _fail_job(job, "import-failed", f"{FAILED} {CACHE_NOTE}")
@@ -455,10 +455,10 @@ class LoraImportRoutesMixin:
            job.log_line(f"{CANCELLED} {CACHE_NOTE}")
            job.update(status_line=CANCELLED)
            job.finish("cancelled")
-            return None
+            return
        ok, _backup = await self._safety_backup_step(job, db, backup_on)
        if not ok:
-            return None
+            return
        # I1: the files are listed and fingerprinted again right before the
        # replace, so a file changed, removed or added while the downloads ran
        # (LoraManager refreshing its CivitAI info) aborts with nothing deleted.
@@ -466,7 +466,6 @@ class LoraImportRoutesMixin:
            return _fail_job(job, "plan-changed", f"{SOURCE_CHANGED} {CACHE_NOTE}")
        job.update(status_line="Replacing the LoRA collection", progress=95)
        await self._replace_in_job(job, db, plan, staged)
-        return None

    def _count_downloads(self, job, staged):
        downloaded = staged.stats.get("downloaded", 0)
@@ -519,4 +518,3 @@ class LoraImportRoutesMixin:
            staged.stats.get("download_errors", 0),
        )
        job.update(progress=100, processed=job.total, status_line=line)
-        return None
@@ -44,7 +44,6 @@ _FILES_CHANGED = (
    "The LoRA metadata files changed during the scan; the previous imports "
    "were kept. Run the scan again."
 )
-_LORA_SCAN_FAILED = "The LoRA import failed. Check the server log for details."
 _IMPORTS_CHANGED = (
    "The imported LoRA prompts changed during the scan; the previous imports "
    "were kept. Run the scan again."
@@ -408,21 +407,10 @@ class LoraIntegrationMixin:
            return
        if isinstance(error, PlanChanged):
            message = _IMPORTS_CHANGED
-        elif isinstance(
-            error,
-            (
-                LoraFilesChanged,
-                LoraSettingsUnusable,
-                EmptyReplacement,
-                PairDependencyError,
-            ),
-        ):
+        elif isinstance(error, (LoraFilesChanged, LoraSettingsUnusable)):
            message = str(error)
-        elif isinstance(error, OSError):
-            # Reduced to its reason and the file's basename.
-            message = self._public_error(error)
        else:
-            message = _LORA_SCAN_FAILED
+            message = self._public_error(error)
        if isinstance(
            error,
            (
@@ -548,7 +536,6 @@ class LoraIntegrationMixin:
                except asyncio.CancelledError:
                    interrupted = True
                except Exception:
-                    # the await after this loop raises it for the caller
                    pass
            if interrupted:
                raise asyncio.CancelledError
@@ -281,7 +281,7 @@ def short_space_message(short):
    )


-def _changed_line(operation, count, marks=0):
+def _changed_line(operation, count):
    if operation == "optimize":
        return "Optimized the database"
    if operation == "duplicate_prompts":
@@ -291,11 +291,7 @@ def _changed_line(operation, count, marks=0):
        noun = "unused prompt component" if count == 1 else "unused prompt components"
        return f"Removed {count:,} {noun}"
    noun = "link to a missing file" if count == 1 else "links to missing files"
-    line = f"Removed {count:,} {noun}"
-    if marks:
-        gone = "removed image" if marks == 1 else "removed images"
-        line += f"; forgot {marks:,} {gone} whose files are gone or changed"
-    return line
+    return f"Removed {count:,} {noun}"


 def take_safety_backup(model, label="backup"):
@@ -423,7 +419,6 @@ class MaintenanceRoutesMixin:
            draft.public(),
            {
                "targets": draft.targets,
-                "marks": draft.marks,
                "roots": roots,
                "protected": draft.protected["count"],
                "rows": draft.scope["count"],
@@ -493,9 +488,7 @@ class MaintenanceRoutesMixin:
    # ── apply ─────────────────────────────────────────────────────────

    async def apply_maintenance_plan(self, request):
-        from .image_delete import IMAGE_DELETE, parse_mode
-
-        data, error = await self._read_maintenance_body(request, ("token", "mode"))
+        data, error = await self._read_maintenance_body(request, ("token",))
        if error is not None:
            return error
        token = data.get("token")
@@ -504,13 +497,6 @@ class MaintenanceRoutesMixin:
        plan, refused = self._peek_plan(token)
        if refused is not None:
            return refused
-        mode = None
-        if plan.operation == IMAGE_DELETE:
-            mode = parse_mode(data.get("mode"))
-            if mode is None:
-                return _invalid('mode must be "library" or "trash"')
-        elif "mode" in data:
-            return _invalid("Unknown field: mode")
        store = self._maintenance_plans
        if plan.operation == ROTATED_LOGS:
            # Log files only: no database identity, backup or disk check.
@@ -558,8 +544,6 @@ class MaintenanceRoutesMixin:
        try:
            if plan.operation == DUPLICATE_FILES:
                job = self._start_duplicate_cleanup(db, plan, backup)
-            elif plan.operation == IMAGE_DELETE:
-                job = self._start_image_delete(db, plan, mode, backup)
            elif plan.operation == WORKFLOW_STORAGE:
                job = self._start_workflow_storage(db, backup)
            else:
@@ -658,7 +642,6 @@ class MaintenanceRoutesMixin:
                plan.fingerprint,
                payload["targets"],
                payload["roots"],
-                payload.get("marks", ()),
            )
        except PlanChanged:
            return _fail_job(job, "plan-changed", PLAN_CHANGED)
@@ -670,10 +653,9 @@ class MaintenanceRoutesMixin:
        )
        job.record_counted("changed", result["changed"], rows)
        job.record_counted("protected", payload["protected"])
-        line = _changed_line(plan.operation, result["changed"], result.get("marks", 0))
+        line = _changed_line(plan.operation, result["changed"])
        job.log_line(line)
        job.update(progress=100, status_line=f"{line} · {backup_note(backup)}")
-        return None

    def _maintenance_rows(self, operation, described):
        """Outcome rows for the changed records (root-relative paths only)."""
@@ -9,15 +9,13 @@ by the caller.
 import os
 import re

-from .images import _file_not_found, _forbidden, _has_traversal
+from .images import _forbidden, _has_traversal
 from .prompts import bad_request

 try:
    from ...utils.media_capture import CAPTURE_EXTENSIONS
-    from ...utils.media_folders import in_trash_folder
 except ImportError:
    from utils.media_capture import CAPTURE_EXTENSIONS
-    from utils.media_folders import in_trash_folder

 MAX_TARGET_PATH = 1024
 TARGET_FIELDS = frozenset({"root_index", "root_scope", "path"})
@@ -31,9 +29,7 @@ def media_target(data: object, *, media_message: str = TAGGING_MEDIA_MESSAGE):
    Only the listing identity is accepted: an int root index, the root's
    64-hex scope and a bounded root-relative POSIX media path, never an
    absolute, drive-qualified, backslash or ``..`` path (a 400 for a malformed
-    shape, a 403 for an unsafe or non-media path, carrying *media_message*, a
-    404 for a path in a trash folder, #543). A link or a short-name spelling
-    is refused later by the capture store's alias check.
+    shape, a 403 for an unsafe or non-media path, carrying *media_message*).
    """
    if not isinstance(data, dict) or set(data) != TARGET_FIELDS:
        return None, bad_request("target must name root_index, root_scope and path")
@@ -55,6 +51,4 @@ def media_target(data: object, *, media_message: str = TAGGING_MEDIA_MESSAGE):
        return None, _forbidden()
    if os.path.splitext(parts[-1])[1].lower() not in CAPTURE_EXTENSIONS:
        return None, _forbidden(media_message)
-    if in_trash_folder(relative):
-        return None, _file_not_found()
    return (index, scope, relative), None
@@ -102,12 +102,7 @@ class PairRoutesMixin:
            validate_prompt_text(negative)
        fields = metadata_fields(data)
        pair_id = await self._run_in_executor(
-            self.db.save_prompt_pair,
-            positive,
-            negative,
-            # The node's Save pair button: as a run, a new prompt gets the metadata.
-            fill_new_positive=True,
-            **fields,
+            self.db.save_prompt_pair, positive, negative, **fields
        )
        pair = await self._run_in_executor(self.db.get_prompt_pair, pair_id)
        return web.json_response({"success": True, "pair": pair})
@@ -1,643 +0,0 @@
-"""The thumbnail location setting (#320): parsing, validation, source keys
-and the thumbnail folder's marker.
-
-``preview_store`` holds the runtime state and maps paths; this module holds
-the rules it applies. Nothing here keeps state.
-
-Schema (config.json ``thumbnails.location``)::
-
-    {"mode": "folder", "path": "D:\\\\Thumbs", "id": "<uuid4>",
-     "install": "<uuid4>", "cleanup": []}
-
-The default (and a missing key) is ``{"mode": "source"}``: previews inside
-each source. An invalid value never falls back to the sources: it parses as
-a folder location with problem ``invalid``, so nothing is written anywhere.
-
-Layout in folder mode: ``<folder>/<source key>/<rel dir>/<stem>_thumb<ext>``.
-A source key is a readable slug plus a short hash of the source's identity
-(``output-3f9a2c1b``), assigned once and stored in the marker
-``.promptmanager-thumbnails.json`` with the identity it belongs to.
-"""
-
-import errno
-import hashlib
-import json
-import logging
-import ntpath
-import os
-import posixpath
-import re
-import stat as stat_module
-import threading
-import unicodedata
-import uuid
-from dataclasses import dataclass, field
-
-try:
-    from ...utils import library_location
-except ImportError:  # tests import the package top-level
-    from utils import library_location
-
-logger = logging.getLogger("prompt_manager.thumbnails")
-
-SOURCE_MODE = "source"
-FOLDER_MODE = "folder"
-MARKER_NAME = ".promptmanager-thumbnails.json"
-MARKER_VERSION = 1
-# A source key: one folder name, a slug and a 8-16 hex hash (``source_key``).
-KEY_PATTERN = re.compile(r"^[a-z0-9_-]{1,24}-[0-9a-f]{8,16}$")
-# A marker is a few keys; anything larger is not ours.
-MAX_MARKER_BYTES = 4 * 2**20
-# OS metadata files a folder may hold and still count as empty.
-OS_METADATA = frozenset({"thumbs.db", "desktop.ini", ".ds_store"})
-KEY_HASH_LENGTHS = (8, 12, 16)
-SLUG_LENGTH = 24
-# Folder + the longest key (24 + 1 + 16) + this margin must fit (Windows).
-WINDOWS_FOLDER_LIMIT = 247
-LONGEST_KEY = SLUG_LENGTH + 1 + KEY_HASH_LENGTHS[-1]
-PATH_MARGIN = 40
-# A validation stat on a share that does not answer in time is unavailable.
-VALIDATION_TIMEOUT = 5.0
-FILE_ATTRIBUTE_REPARSE_POINT = 0x400
-
-_RESERVED = re.compile(r"^(con|prn|aux|nul|com[1-9]|lpt[1-9])(\..*)?$", re.IGNORECASE)
-_BAD_CHARS = re.compile(r'[<>:"|?*\x00-\x1f]')
-
-# Problem codes, their HTTP status and the text the UI shows (no path).
-MESSAGES = {
-    "location-not-absolute": (
-        400,
-        "Enter a full folder path, such as D:\\Thumbnails or /mnt/fast/thumbnails.",
-    ),
-    "location-device-path": (
-        400,
-        "Enter the folder as a drive letter or \\\\server\\share path, "
-        "without \\\\?\\.",
-    ),
-    "location-invalid-name": (
-        400,
-        "This folder name can't be used on Windows. Choose another name.",
-    ),
-    "location-too-broad": (
-        400,
-        "Choose a folder inside a drive or share, not the drive itself.",
-    ),
-    "location-served": (
-        400,
-        "Choose a folder outside your image sources and ComfyUI's output, input "
-        "and temp folders.",
-    ),
-    "location-node-folder": (
-        400,
-        "Choose a folder outside the Prompt Manager node folder.",
-    ),
-    "location-contains-source": (
-        400,
-        "This folder contains an image source. Choose a folder beside it instead.",
-    ),
-    "location-same": (400, "Thumbnails are already stored here."),
-    "location-parent-missing": (
-        400,
-        "The folder that would hold it doesn't exist. Check the path and that its "
-        "drive is connected.",
-    ),
-    "location-unavailable": (
-        409,
-        "This folder can't be reached right now. Check that its drive or share is "
-        "connected.",
-    ),
-    "location-not-empty": (
-        409,
-        "This folder already holds other files. Choose an empty folder or one "
-        "Prompt Manager used before.",
-    ),
-    "location-not-writable": (
-        409,
-        "Prompt Manager can't write to this folder. Check its permissions.",
-    ),
-    "location-path-too-long": (
-        400,
-        "This path is too long for Windows. Choose a shorter folder path.",
-    ),
-    "location-needs-move": (
-        409,
-        "Use Move thumbnails in System › Sources & scans.",
-    ),
-}
-HOLDS_THUMBNAILS_REASON = "This folder holds Prompt Manager's thumbnails."
-
-
-def message(code):
-    """``(status, text)`` of a problem code."""
-    return MESSAGES[code]
-
-
-# ── parsing ──────────────────────────────────────────────────────────
-
-
-@dataclass(frozen=True)
-class ParsedLocation:
-    """A ``thumbnails.location`` value, checked as data (no filesystem)."""
-
-    mode: str = SOURCE_MODE
-    path: str | None = None
-    id: str | None = None
-    install: str | None = None
-    cleanup: tuple = field(default_factory=tuple)
-    problem: str | None = None
-
-    def to_config(self):
-        """The config.json form (``invalid`` values are never written)."""
-        if self.mode == SOURCE_MODE:
-            value = {"mode": SOURCE_MODE}
-        else:
-            value = {"mode": FOLDER_MODE, "path": self.path, "id": self.id}
-        if self.install:
-            value["install"] = self.install
-        value["cleanup"] = list(self.cleanup)
-        return value
-
-
-def _cleanup(value):
-    if not isinstance(value, list):
-        return ()
-    return tuple(item for item in value if isinstance(item, dict))
-
-
-def parse_location(value, *, flavor=os.path):
-    """The location a ``thumbnails.location`` value names.
-
-    Missing: inside each source. Anything else that is not a well-formed
-    location (an unknown mode, a relative path, a missing id) becomes a
-    folder location with problem ``invalid``: never a silent fall-back.
-    """
-    if value is None:
-        return ParsedLocation()
-    if not isinstance(value, dict):
-        return ParsedLocation(mode=FOLDER_MODE, problem="invalid")
-    mode = value.get("mode", SOURCE_MODE)
-    install = value.get("install") if isinstance(value.get("install"), str) else None
-    cleanup = _cleanup(value.get("cleanup"))
-    if mode == SOURCE_MODE:
-        return ParsedLocation(install=install, cleanup=cleanup)
-    if mode != FOLDER_MODE:
-        return ParsedLocation(mode=FOLDER_MODE, problem="invalid", cleanup=cleanup)
-    path, marker_id = value.get("path"), value.get("id")
-    if (
-        not isinstance(path, str)
-        or form_problem(path, flavor=flavor) is not None
-        or not isinstance(marker_id, str)
-        or not marker_id.strip()
-    ):
-        return ParsedLocation(
-            mode=FOLDER_MODE,
-            path=path if isinstance(path, str) else None,
-            problem="invalid",
-            cleanup=cleanup,
-        )
-    return ParsedLocation(
-        mode=FOLDER_MODE,
-        path=flavor.abspath(path),
-        id=marker_id,
-        install=install,
-        cleanup=cleanup,
-    )
-
-
-# ── form (text only) ─────────────────────────────────────────────────
-
-
-def _is_windows(flavor):
-    return flavor is ntpath or getattr(flavor, "__name__", "") == "ntpath"
-
-
-def form_problem(path, *, flavor=os.path):
-    """The text-only problem of *path*, or None (no filesystem access).
-
-    ``\\\\?\\`` and ``\\\\.\\`` prefixes, relative, drive-relative (``C:x``)
-    and root-relative (``\\x``) spellings, and names Windows cannot hold
-    (checked on every OS: the folder may be moved to Windows).
-    """
-    if not isinstance(path, str) or not path.strip() or path != path.lstrip():
-        return "location-not-absolute"
-    if path.replace("/", "\\").startswith(("\\\\?\\", "\\\\.\\")):
-        return "location-device-path"
-    if _is_windows(flavor):
-        drive, rest = ntpath.splitdrive(path)
-        if not drive or not rest.startswith(("\\", "/")):
-            return "location-not-absolute"
-    elif not posixpath.isabs(path):
-        return "location-not-absolute"
-    drive, rest = flavor.splitdrive(path)
-    for part in re.split(r"[\\/]+", rest):
-        if not part:
-            continue
-        if (
-            _RESERVED.match(part)
-            or part.endswith((".", " "))
-            or _BAD_CHARS.search(part)
-        ):
-            return "location-invalid-name"
-    return None
-
-
-def is_too_broad(path, *, home=None, flavor=os.path):
-    """A filesystem or share root, or the home folder itself."""
-    normalized = flavor.normpath(path)
-    drive, rest = flavor.splitdrive(normalized)
-    if rest in ("", "\\", "/"):
-        return True
-    home = home if home is not None else os.path.expanduser("~")
-    return bool(home) and flavor.normcase(normalized) == flavor.normcase(
-        flavor.normpath(home)
-    )
-
-
-def too_long_for_windows(path, long_paths=None):
-    """Folder + the longest key + a margin over the folder limit (Windows
-    without long paths; *long_paths* injects the registry answer)."""
-    if long_paths is None:
-        long_paths = long_paths_enabled()
-    if long_paths:
-        return False
-    return len(path) + 1 + LONGEST_KEY + PATH_MARGIN > WINDOWS_FOLDER_LIMIT
-
-
-def long_paths_enabled():
-    """``LongPathsEnabled`` on Windows (True on other systems)."""
-    if os.name != "nt":
-        return True
-    try:
-        import winreg
-
-        with winreg.OpenKey(
-            winreg.HKEY_LOCAL_MACHINE,
-            r"SYSTEM\CurrentControlSet\Control\FileSystem",
-        ) as key:
-            return winreg.QueryValueEx(key, "LongPathsEnabled")[0] == 1
-    except OSError:
-        return False
-
-
-# ── links ────────────────────────────────────────────────────────────
-
-
-def is_link_like(path):
-    """A symlink, a junction or any reparse point (one lstat), or missing.
-
-    Raises OSError other than "not found" (an unreachable share).
-    """
-    try:
-        info = os.lstat(path)
-    except FileNotFoundError:
-        return False
-    if stat_module.S_ISLNK(info.st_mode):
-        return True
-    attributes = getattr(info, "st_file_attributes", 0)
-    if attributes & FILE_ATTRIBUTE_REPARSE_POINT:
-        return True
-    is_junction = getattr(os.path, "isjunction", None)
-    return bool(is_junction and is_junction(path))
-
-
-# ── source keys ──────────────────────────────────────────────────────
-
-
-def slug(name):
-    """``NFKD`` to ASCII, lower case, runs outside ``[a-z0-9_]`` as ``-``,
-    trimmed and cut to 24 characters; empty becomes ``source``."""
-    text = unicodedata.normalize("NFKD", str(name))
-    text = text.encode("ascii", "ignore").decode("ascii").lower()
-    text = re.sub(r"[^a-z0-9_]+", "-", text).strip("-")
-    text = text[:SLUG_LENGTH].strip("-")
-    return text or "source"
-
-
-def source_key(spelling, identity, taken):
-    """The key of a source: ``slug(basename) + "-" + sha256(identity)[:n]``.
-
-    *taken* maps existing keys to their identity; a key taken by another
-    identity grows its hash to 12, then 16 characters.
-    """
-    base = slug(ntpath.basename(str(spelling).rstrip("\\/")))
-    digest = hashlib.sha256(str(identity).encode("utf-8")).hexdigest()
-    for length in KEY_HASH_LENGTHS:
-        key = f"{base}-{digest[:length]}"
-        owner = taken.get(key)
-        if owner is None or owner == identity:
-            return key
-    raise ValueError("no free source key")
-
-
-def file_identity(path):
-    """``[st_dev, st_ino]`` of an existing folder, or None (no file ids)."""
-    try:
-        info = os.stat(path)
-    except (OSError, ValueError):
-        return None
-    if not info.st_ino:
-        return None
-    return [info.st_dev, info.st_ino]
-
-
-def find_key(keys, spelling, identity, dev_ino):
-    """The marker key of a source: the same configured spelling, then the
-    same identity text, then the same file id; or None."""
-    keys = {k: v for k, v in keys.items() if valid_key(k) and isinstance(v, dict)}
-    for key, entry in keys.items():
-        if entry.get("path") == spelling:
-            return key
-    for key, entry in keys.items():
-        if entry.get("identity") == identity:
-            return key
-    if dev_ino:
-        for key, entry in keys.items():
-            if entry.get("dev_ino") == list(dev_ino):
-                return key
-    return None
-
-
-# ── the marker ───────────────────────────────────────────────────────
-
-
-def marker_path(folder):
-    return os.path.join(folder, MARKER_NAME)
-
-
-def read_marker(folder):
-    """The marker in *folder* as a dict, or None (absent or unreadable as
-    ours). OSError other than "not found" propagates (an unreachable share)."""
-    try:
-        with open(marker_path(folder), "r", encoding="utf-8") as handle:
-            text = handle.read(MAX_MARKER_BYTES + 1)
-    except FileNotFoundError:
-        return None
-    except (ValueError, UnicodeDecodeError):
-        return None
-    if len(text) > MAX_MARKER_BYTES:
-        return None
-    try:
-        data = json.loads(text)
-    except ValueError:
-        return None
-    if not isinstance(data, dict) or not isinstance(data.get("id"), str):
-        return None
-    data["keys"] = valid_keys(data.get("keys"))
-    return data
-
-
-def valid_key(key):
-    """Whether *key* can name a source's folder: one folder name of the
-    ``source_key`` form, never a separator, ``..`` or a drive."""
-    return isinstance(key, str) and KEY_PATTERN.fullmatch(key) is not None
-
-
-def valid_keys(keys):
-    """The marker's keys that are safe to join onto the folder; a hand-edited
-    or foreign entry that is not is dropped (and logged), never followed."""
-    if not isinstance(keys, dict):
-        return {}
-    kept = {}
-    for key, entry in keys.items():
-        if valid_key(key) and isinstance(entry, dict):
-            kept[key] = entry
-        else:
-            logger.warning(
-                "Ignoring a thumbnail folder marker entry that is not a source " "key"
-            )
-    return kept
-
-
-def write_marker(folder, mutate):
-    """Re-read the marker, apply ``mutate(marker)`` and write it atomically
-    (a temp sibling renamed over it). Callers hold ``preview_store.write_lock``.
-    Returns the marker written."""
-    current = read_marker(folder) or {}
-    marker = {
-        "version": MARKER_VERSION,
-        "id": current.get("id"),
-        "created_by_pm": bool(current.get("created_by_pm", False)),
-        "keys": dict(current.get("keys") or {}),
-    }
-    mutate(marker)
-    if not marker.get("id"):
-        raise ValueError("a marker needs an id")
-    target = marker_path(folder)
-    temp = os.path.join(
-        folder, f".{MARKER_NAME}.{os.getpid()}-{threading.get_ident()}.tmp"
-    )
-    try:
-        with open(temp, "w", encoding="utf-8") as handle:
-            json.dump(marker, handle, indent=2, sort_keys=True)
-            handle.flush()
-            os.fsync(handle.fileno())
-        os.replace(temp, target)
-    finally:
-        try:
-            os.unlink(temp)
-        except OSError:
-            pass  # gone with the rename; a leftover is swept with the temps
-    return marker
-
-
-def new_id():
-    return str(uuid.uuid4())
-
-
-def init_folder(folder, *, created_by_pm=False):
-    """The marker id of *folder*: an existing marker is adopted; a folder
-    without one gets a new marker (new id, no keys)."""
-    existing = read_marker(folder)
-    if existing is not None:
-        return existing["id"]
-
-    def create(marker):
-        if not marker.get("id"):
-            marker["id"] = new_id()
-            marker["created_by_pm"] = created_by_pm
-
-    return write_marker(folder, create)["id"]
-
-
-def folder_state(path, expected_id):
-    """``(available, problem, marker)`` of a configured thumbnail folder.
-
-    Available: the folder exists, is a directory and not a link, junction or
-    reparse point, and holds our marker with *expected_id*. Raises OSError
-    when the folder cannot be reached (an I/O error other than not found).
-    """
-    try:
-        info = os.lstat(path)
-    except FileNotFoundError:
-        return False, "missing", None
-    except OSError as error:
-        if error.errno in (errno.ENOENT, errno.ENOTDIR):
-            return False, "missing", None
-        raise
-    if is_link_like(path):
-        return False, "invalid", None
-    if not stat_module.S_ISDIR(info.st_mode):
-        return False, "invalid", None
-    marker = read_marker(path)
-    if marker is None:
-        return False, "missing", None
-    if marker["id"] != expected_id:
-        return False, "marker-mismatch", marker
-    return True, None, marker
-
-
-def holds_only_metadata(path):
-    """Whether an existing folder is empty but for OS metadata files."""
-    with os.scandir(path) as entries:
-        for entry in entries:
-            name = entry.name.lower()
-            if name in OS_METADATA or name.startswith("._"):
-                continue
-            return False
-    return True
-
-
-# ── validation ───────────────────────────────────────────────────────
-
-
-@dataclass(frozen=True)
-class Context:
-    """What a location is checked against (gathered by the caller)."""
-
-    roots: tuple = ()  # every image source of every root list
-    contained: tuple = ()  # ComfyUI output/input/temp and the library folder
-    node_folder: str | None = None
-    default_path: str | None = None
-    current_path: str | None = None  # the folder in use (folder mode)
-    home: str | None = None
-    flavor: object = os.path
-    long_paths: bool | None = None
-    environ: object = None
-    # ComfyUI's folder_paths module (None: none; unset: imported).
-    folder_paths: object = library_location._UNSET
-
-
-def _timed(func, timeout):
-    """``func()`` on a daemon thread; raises TimeoutError past *timeout*.
-    A stuck call is left to finish on its own thread."""
-    result = {}
-    done = threading.Event()
-
-    def run():
-        try:
-            result["value"] = func()
-        except BaseException as error:  # handed to the caller
-            result["error"] = error
-        finally:
-            done.set()
-
-    threading.Thread(target=run, name="pm-preview-stat", daemon=True).start()
-    if not done.wait(timeout):
-        raise TimeoutError("the folder did not answer in time")
-    if "error" in result:
-        raise result["error"]
-    return result.get("value")
-
-
-def _inside(path, folders):
-    return library_location._inside_any(path, folders)
-
-
-def _same(first, second):
-    return library_location.same_folder(first, second) or os.path.normcase(
-        os.path.realpath(first)
-    ) == os.path.normcase(os.path.realpath(second))
-
-
-def _served(path, context):
-    environ = os.environ if context.environ is None else context.environ
-    return (
-        library_location.data_dir_problem(
-            path,
-            folder_paths=context.folder_paths,
-            environ=environ,
-            gallery_roots=list(context.roots),
-        )
-        == "data-dir-served"
-    )
-
-
-def _probe_write(path):
-    """Create and delete a probe file in *path*; False when refused."""
-    probe = os.path.join(path, f".pm-probe-{uuid.uuid4().hex[:8]}.tmp")
-    try:
-        with open(probe, "wb") as handle:
-            handle.write(b"")
-    except OSError:
-        return False
-    try:
-        os.unlink(probe)
-    except OSError:
-        return False
-    return True
-
-
-def location_problem(path, *, purpose, context, timeout=VALIDATION_TIMEOUT):
-    """Why *path* cannot be the thumbnail folder, as a code, or None.
-
-    *purpose*: ``move`` (every rule), ``startup`` (no ``same``, ``empty``,
-    ``writable`` or parent rules: availability covers them) or ``recreate``
-    (the folder is missing and is made again).
-    """
-    flavor = context.flavor
-    code = form_problem(path, flavor=flavor)
-    if code is not None:
-        return code
-    path = flavor.abspath(path)
-    default = bool(context.default_path) and flavor.normcase(path) == flavor.normcase(
-        flavor.abspath(context.default_path)
-    )
-    if is_too_broad(path, home=context.home, flavor=flavor):
-        return "location-too-broad"
-    try:
-        return _timed(
-            lambda: _filesystem_problem(path, purpose, context, default), timeout
-        )
-    except (TimeoutError, OSError):
-        return "location-unavailable"
-
-
-def _filesystem_problem(path, purpose, context, default):
-    if _served(path, context):
-        return "location-served"
-    if context.node_folder and not default and _inside(path, [context.node_folder]):
-        return "location-node-folder"
-    inner = list(context.roots) + list(context.contained)
-    if any(folder and _inside(folder, [path]) for folder in inner):
-        if not default:
-            return "location-contains-source"
-    if (
-        purpose == "move"
-        and context.current_path
-        and (
-            os.path.normcase(path) == os.path.normcase(context.current_path)
-            or (os.path.isdir(path) and _same(path, context.current_path))
-        )
-    ):
-        return "location-same"
-    # Windows, or a test injecting its limit (``long_paths=False``).
-    if os.name == "nt" or context.long_paths is False:
-        if too_long_for_windows(path, context.long_paths):
-            return "location-path-too-long"
-    if purpose == "startup":
-        return None
-    if is_link_like(path):
-        # Never through a link: the folder itself must be a real folder.
-        return "location-not-empty"
-    exists = os.path.isdir(path)
-    if not exists:
-        if os.path.lexists(path):
-            return "location-not-empty"
-        if not default and not os.path.isdir(os.path.dirname(path)):
-            return "location-parent-missing"
-        return None
-    if read_marker(path) is None and not holds_only_metadata(path):
-        return "location-not-empty"
-    if not _probe_write(path):
-        return "location-not-writable"
-    return None
@@ -1,671 +0,0 @@
-"""Where previews live on disk (#320): the one resolver.
-
-Every mapping between an image source (a "root"), one of its media files and
-that file's preview on disk goes through this module. URL text stays in
-``thumbnail_settings`` (``thumbnail_rel``: ``thumbnails/<rel>_thumb<ext>``,
-the shape the serve route, ``inspection-state.mjs`` and ``admin.js`` share);
-this module answers where such a preview is on disk.
-
-The store of a source is where its previews live. With the default location
-(mode ``source``, "Inside each source") it is ``<source>/thumbnails``, exactly
-the folder every caller joined by hand before, so nothing moves.
-
-Writes and the switch: every preview writer takes ``write_guard`` when it
-starts (it records the location's ``generation``); the final rename runs
-under ``write_lock`` and only when the generation is unchanged and no hold
-applies (``thumbnail_encode.replace_unless_held``). Changing the location
-bumps the generation under the same lock, so no write that began before can
-land in the old store afterwards. Nothing reads or commits config while
-``write_lock`` is held. The hold check runs under it too, so hold checks take
-no lock (the job registry's ``running()`` is a lock-free snapshot) and
-``bump_generation`` is never called with a registry or config lock held.
-
-All functions are blocking: call them off the event loop.
-"""
-
-import errno
-import logging
-import os
-import threading
-import time
-from contextlib import contextmanager
-from dataclasses import dataclass, replace
-from pathlib import Path
-
-from . import preview_location, thumbnail_settings
-
-try:
-    from ...utils.media_folders import PREVIEW_FOLDER
-except ImportError:  # tests import the package top-level
-    from utils.media_folders import PREVIEW_FOLDER
-
-logger = logging.getLogger("prompt_manager.thumbnails")
-
-SOURCE_MODE = preview_location.SOURCE_MODE
-FOLDER_MODE = preview_location.FOLDER_MODE
-# The probe checks the folder this often, and a check (or a store call)
-# taking longer than the budget marks it unreachable.
-PROBE_INTERVAL = 5.0
-IO_BUDGET = 2.0
-PROBE_THREAD = "pm-preview-probe"
-
-
-@dataclass(frozen=True)
-class Location:
-    """One snapshot of the thumbnail location (take one per request or job)."""
-
-    mode: str = SOURCE_MODE
-    path: str | None = None
-    available: bool = True
-    problem: str | None = None
-    generation: int = 0
-
-
-write_lock = threading.Lock()
-_generation = 0
-# The runtime location: the parsed setting, availability and the marker keys
-# last read. Swapped as a whole; readers take one snapshot.
-_state_lock = threading.Lock()
-_parsed = preview_location.ParsedLocation()
-_available = True
-_problem = None
-_keys = {}
-_key_cache = {}
-_clock = time.monotonic
-
-
-def current():
-    """The thumbnail location now."""
-    with _state_lock:
-        parsed, available, problem, generation_now = (
-            _parsed,
-            _available,
-            _problem,
-            _generation,
-        )
-    if parsed.mode == SOURCE_MODE:
-        return Location(generation=generation_now)
-    return Location(FOLDER_MODE, parsed.path, available, problem, generation_now)
-
-
-def setting():
-    """The parsed setting in use (``preview_location.ParsedLocation``)."""
-    return _parsed
-
-
-def generation():
-    return _generation
-
-
-def bump_generation():
-    """Invalidate every write that started before (under ``write_lock``)."""
-    global _generation
-    with write_lock:
-        _generation += 1
-        return _generation
-
-
-def _canonical(path):
-    """Resolved and case-folded, so paths compare on every OS."""
-    return Path(os.path.normcase(os.path.realpath(str(path))))
-
-
-def _within(path, folder):
-    return _canonical(path).is_relative_to(_canonical(folder))
-
-
-# ── the setting and availability ─────────────────────────────────────
-
-
-def configure(value, *, context=None, check=True):
-    """Use the ``thumbnails.location`` *value* (config.json) from now on.
-
-    A folder location is validated against *context* (``startup`` rules: a
-    problem other than an unreachable folder makes it ``invalid``), then
-    checked once; the probe keeps checking it. Swapped under ``write_lock``
-    with a generation bump, so no write that started before lands.
-    """
-    global _parsed, _available, _problem, _generation
-    parsed = preview_location.parse_location(value)
-    problem = parsed.problem
-    if parsed.mode == FOLDER_MODE and problem is None and context is not None:
-        code = preview_location.location_problem(
-            parsed.path, purpose="startup", context=context
-        )
-        if code == "location-unavailable":
-            problem = "unreachable"
-        elif code is not None:
-            problem = "invalid"
-            parsed = preview_location.ParsedLocation(
-                mode=FOLDER_MODE,
-                path=parsed.path,
-                id=parsed.id,
-                install=parsed.install,
-                cleanup=parsed.cleanup,
-                problem="invalid",
-            )
-    with write_lock:
-        with _state_lock:
-            _parsed = parsed
-            _available = parsed.mode == SOURCE_MODE
-            _problem = problem if parsed.mode == FOLDER_MODE else None
-            _keys.clear()
-            _key_cache.clear()
-        _generation += 1
-    if parsed.mode == FOLDER_MODE:
-        if check and parsed.problem is None:
-            refresh()
-        _probe.start()
-    else:
-        _probe.stop()
-    return current()
-
-
-def refresh():
-    """Check the folder now (bounded by IO_BUDGET); returns availability."""
-    parsed = _parsed
-    if parsed.mode != FOLDER_MODE or parsed.problem is not None:
-        return parsed.mode == SOURCE_MODE
-    try:
-        available, problem, marker = _probe.check(parsed.path, parsed.id)
-    except (OSError, TimeoutError, RuntimeError):
-        available, problem, marker = False, "unreachable", None
-    _set_state(parsed, available, problem, marker)
-    return available
-
-
-def _set_keys(parsed, marker):
-    """Take the keys of a marker just written (availability unchanged)."""
-    with _state_lock:
-        if _parsed is not parsed:
-            return
-        keys = dict((marker or {}).get("keys") or {})
-        if keys != _keys:
-            _keys.clear()
-            _keys.update(keys)
-            _key_cache.clear()
-
-
-def mark_invalid():
-    """The setting cannot be used (a startup check that failed): folder
-    mode stays in force, unavailable, so nothing is written anywhere."""
-    global _parsed, _available, _problem
-    with _state_lock:
-        if _parsed.mode != FOLDER_MODE:
-            _parsed = preview_location.ParsedLocation(
-                mode=FOLDER_MODE, problem="invalid"
-            )
-        else:
-            _parsed = replace(_parsed, problem="invalid")
-        _available, _problem = False, "invalid"
-
-
-def _set_state(parsed, available, problem, marker):
-    global _available, _problem
-    with _state_lock:
-        if _parsed is not parsed:
-            return  # the setting changed meanwhile
-        _available, _problem = available, problem
-        keys = dict((marker or {}).get("keys") or {})
-        if keys != _keys:
-            _keys.clear()
-            _keys.update(keys)
-            _key_cache.clear()
-
-
-def note_failure():
-    """A store call failed or stalled: unreachable until the probe finds the
-    folder again (requests do no store I/O meanwhile)."""
-    global _available, _problem
-    if _parsed.mode != FOLDER_MODE:
-        return
-    with _state_lock:
-        _available, _problem = False, "unreachable"
-    _probe.wake()
-
-
-@contextmanager
-def store_io():
-    """Around a store call in folder mode: an I/O error (other than a file
-    that is not there) or a call over IO_BUDGET marks the folder
-    unreachable."""
-    if _parsed.mode != FOLDER_MODE:
-        yield
-        return
-    started = _clock()
-    try:
-        yield
-    except OSError as error:
-        if not isinstance(error, (FileNotFoundError, NotADirectoryError)):
-            note_failure()
-        raise
-    finally:
-        if _clock() - started > IO_BUDGET:
-            note_failure()
-
-
-class _Probe:
-    """The background check of the thumbnail folder (one thread, one check
-    at a time; a stuck check is left to finish on its own thread)."""
-
-    def __init__(self):
-        self._lock = threading.Lock()
-        self._wake = threading.Event()
-        self._stop = threading.Event()
-        self._thread = None
-        self._checking = None
-
-    def check(self, path, expected_id):
-        """``folder_state`` within IO_BUDGET; raises TimeoutError. A check
-        already running (the probe's, or a stuck one) is joined, never run
-        twice at once."""
-        with self._lock:
-            pending = self._checking
-            if pending is None or pending[0] != (path, expected_id):
-                pending = self._start_check(path, expected_id)
-        key, done, result = pending
-        if not done.wait(IO_BUDGET):
-            raise TimeoutError("the thumbnail folder did not answer in time")
-        with self._lock:
-            if self._checking is pending:
-                self._checking = None
-        if "error" in result:
-            raise result["error"]
-        return result["value"]
-
-    def _start_check(self, path, expected_id):
-        """Start one check on its own thread (lock held)."""
-        result = {}
-        done = threading.Event()
-
-        def run():
-            try:
-                result["value"] = preview_location.folder_state(path, expected_id)
-            except BaseException as error:  # handed to the caller
-                result["error"] = error
-            finally:
-                done.set()
-
-        pending = ((path, expected_id), done, result)
-        self._checking = pending
-        threading.Thread(target=run, name=PROBE_THREAD + "-check", daemon=True).start()
-        return pending
-
-    def start(self):
-        with self._lock:
-            if self._thread is not None and self._thread.is_alive():
-                return
-            # Each thread has its own stop: a stopped one never resumes.
-            stop = self._stop = threading.Event()
-            thread = threading.Thread(
-                target=self._run, args=(stop,), name=PROBE_THREAD, daemon=True
-            )
-            try:
-                thread.start()
-            except RuntimeError:
-                return  # refused at interpreter exit: no probe
-            self._thread = thread
-
-    def _run(self, stop):
-        while not stop.is_set():
-            self._wake.wait(PROBE_INTERVAL)
-            self._wake.clear()
-            if stop.is_set():
-                return
-            try:
-                refresh()
-            except Exception:  # one failed check never stops the probe
-                logger.debug("Thumbnail folder check failed", exc_info=True)
-
-    def wake(self):
-        self._wake.set()
-
-    def stop(self, timeout=2.0):
-        """Stop the probe; True when its thread ended."""
-        with self._lock:
-            thread, self._thread = self._thread, None
-        self._stop.set()
-        self._wake.set()
-        if thread is None or thread is threading.current_thread():
-            return True
-        thread.join(timeout)
-        return not thread.is_alive()
-
-
-_probe = _Probe()
-
-
-def stop_probe(timeout=2.0):
-    """Stop the folder probe (the package teardown, tests)."""
-    return _probe.stop(timeout)
-
-
-# ── stores ───────────────────────────────────────────────────────────
-
-
-def source_folder(root):
-    """``<source>/thumbnails``: the store in source mode, a leftover in
-    folder mode."""
-    return Path(root) / PREVIEW_FOLDER
-
-
-def store_container(root, location=None):
-    """The folder a store of *root* must stay inside: the source itself, or
-    the thumbnail folder in folder mode."""
-    location = location or current()
-    if location.mode == FOLDER_MODE:
-        return Path(location.path) if location.path else None
-    return Path(root)
-
-
-def _identity(root):
-    return os.path.normcase(os.path.realpath(str(root)))
-
-
-def _lookup_key(root):
-    spelling = str(root)
-    with _state_lock:
-        if spelling in _key_cache:
-            return _key_cache[spelling]
-        keys = dict(_keys)
-    key = preview_location.find_key(
-        keys,
-        spelling,
-        _identity(root),
-        preview_location.file_identity(root),
-    )
-    if key is not None:
-        with _state_lock:
-            _key_cache[spelling] = key
-    return key
-
-
-def store_dir(root, location=None):
-    """The store of *root*: ``<source>/thumbnails``, or in folder mode
-    ``<folder>/<key>`` (None while the folder is unavailable or before the
-    source has a key: a reader then finds no preview)."""
-    location = location or current()
-    if location.mode == SOURCE_MODE:
-        return Path(root) / PREVIEW_FOLDER
-    if not location.available or not location.path:
-        return None
-    key = _lookup_key(root)
-    return None if key is None else _key_folder(location.path, key)
-
-
-def _key_folder(folder, key):
-    """``<folder>/<key>``, only for a key that is one folder name directly
-    below the thumbnail folder (a marker is data, never a path)."""
-    if not preview_location.valid_key(key):
-        return None
-    store = Path(folder) / key
-    if store.parent != Path(folder) or store.name != key:
-        return None
-    return store
-
-
-def ensure_store(root, location=None, *, create=False):
-    """``store_dir`` for a writer: in folder mode a source without a key gets
-    one (recorded in the marker); with *create* its key folder is made (never
-    the thumbnail folder itself). None while the folder is unavailable."""
-    location = location or current()
-    store = store_dir(root, location)
-    if location.mode == SOURCE_MODE or (store is None and not location.available):
-        return store
-    if store is None:
-        store = _assign_key(root, location)
-        if store is None:
-            return None
-    if create:
-        try:
-            with store_io():
-                os.mkdir(store)
-        except FileExistsError:
-            pass
-        except OSError:
-            return None
-    return store
-
-
-def _assign_key(root, location):
-    parsed = _parsed
-    if location.path != parsed.path:
-        return None
-    spelling = str(root)
-    identity = _identity(root)
-    dev_ino = preview_location.file_identity(root)
-    assigned = {}
-
-    def add(marker):
-        if marker.get("id") != parsed.id:
-            raise ValueError("another folder's marker")  # marker-mismatch
-        keys = marker["keys"]
-        key = preview_location.find_key(keys, spelling, identity, dev_ino)
-        if key is None:
-            taken = {k: v.get("identity") for k, v in keys.items()}
-            key = preview_location.source_key(spelling, identity, taken)
-            keys[key] = {
-                "path": spelling,
-                "identity": identity,
-                "dev_ino": dev_ino,
-                "install": parsed.install,
-            }
-        assigned["key"] = key
-
-    try:
-        with write_lock, store_io():
-            marker = preview_location.write_marker(location.path, add)
-    except (OSError, ValueError):
-        return None
-    _set_keys(parsed, marker)
-    return _key_folder(location.path, assigned["key"])
-
-
-def may_write(path, location=None):
-    """The one ownership check every preview write and delete passes.
-
-    Source mode: True (the callers' own root rules apply, as before). Folder
-    mode: *path* lies below a source key folder of the thumbnail folder,
-    lexically and resolved, and no link, junction or reparse point sits
-    anywhere from the key folder down to it (the file itself included).
-    """
-    location = location or current()
-    if location.mode == SOURCE_MODE:
-        return True
-    if not location.path:
-        return False
-    folder = Path(os.path.abspath(location.path))
-    path = Path(os.path.abspath(path))
-    try:
-        relative = path.relative_to(folder)
-    except ValueError:
-        return False
-    if len(relative.parts) < 2 or ".." in relative.parts:
-        return False
-    store = _key_folder(folder, relative.parts[0])
-    if store is None or not _within(path, folder):
-        return False
-    try:
-        return _no_link_below(store, path)
-    except OSError:
-        note_failure()
-        return False
-
-
-def make_parent(dst, location=None):
-    """Make the folders a preview *dst* is written into. In folder mode only
-    folders below the thumbnail folder are made, never the folder itself,
-    and only while it holds this install's marker (an unplugged drive or an
-    unmounted mount point raises FileNotFoundError); a *dst* that does not
-    pass ``may_write`` raises PermissionError."""
-    location = location or current()
-    dst = Path(dst)
-    if location.mode == SOURCE_MODE or not location.path:
-        if location.mode != SOURCE_MODE:
-            raise FileNotFoundError(errno.ENOENT, "thumbnail folder unavailable")
-        dst.parent.mkdir(parents=True, exist_ok=True)
-        return
-    folder = Path(os.path.abspath(location.path))
-    with store_io():
-        if not location.available or not folder.is_dir():
-            raise FileNotFoundError(errno.ENOENT, "thumbnail folder unavailable")
-        marker = preview_location.read_marker(str(folder))
-        if marker is None or marker.get("id") != _parsed.id:
-            note_failure()
-            raise FileNotFoundError(errno.ENOENT, "thumbnail folder unavailable")
-        if not may_write(dst, location):
-            raise PermissionError(errno.EACCES, "outside the thumbnail folder")
-        current_folder = folder
-        for part in Path(os.path.abspath(dst.parent)).relative_to(folder).parts:
-            current_folder = current_folder / part
-            try:
-                os.mkdir(current_folder)
-            except FileExistsError:
-                pass
-            if preview_location.is_link_like(current_folder):
-                raise PermissionError(errno.EACCES, "a link in the thumbnail folder")
-
-
-def store_is_link(store, location=None):
-    """Whether a store folder is a link (a junction or reparse point too in
-    folder mode): it is skipped by sweeps and refused by clears."""
-    location = location or current()
-    if location.mode == SOURCE_MODE:
-        return Path(store).is_symlink()
-    return preview_location.is_link_like(store)
-
-
-def given_store(root, store):
-    """A caller's explicit store argument: the default spelling
-    (``<root>/thumbnails``) means the resolver's store; another folder (only
-    tests pass one) is used as given."""
-    store = Path(store)
-    if store == Path(root) / PREVIEW_FOLDER:
-        return store_dir(root)
-    return store
-
-
-def preview_path(root, media_rel, ext=None, location=None, *, create=False):
-    """Where the preview of *media_rel* (relative to *root*) is, or is to be
-    written (*create*: a writer, which gives a new source its key), in *ext*
-    (the extension written now when None)."""
-    if create:
-        store = ensure_store(root, location)
-    else:
-        store = store_dir(root, location)
-    if store is None:
-        return None
-    if ext is None:
-        from .thumbnail_encode import writer_settings
-
-        ext = writer_settings().extension
-    return store / (thumbnail_settings.preview_stem(media_rel) + ext)
-
-
-def request_path(root, parts, location=None):
-    """The disk path of the URL parts ``("thumbnails", ...)``, or None when
-    *parts* is not under an exact ``thumbnails`` first part or the store has
-    no place for it. The text is checked before (``is_preview_text``)."""
-    parts = tuple(parts)
-    if len(parts) < 2 or parts[0] != PREVIEW_FOLDER:
-        return None
-    store = store_dir(root, location)
-    if store is None:
-        return None
-    return store.joinpath(*parts[1:])
-
-
-def _no_link_below(store, path):
-    """No folder from *store* down to *path* (and *store* itself) is a link,
-    junction or reparse point (lexical walk, one lstat each)."""
-    store = Path(os.path.abspath(store))
-    path = Path(os.path.abspath(path))
-    try:
-        relative = path.relative_to(store)
-    except ValueError:
-        return False
-    current = store
-    for part in ("",) + relative.parts:
-        current = current / part if part else current
-        if preview_location.is_link_like(current):
-            return False
-    return True
-
-
-def owns(root, path, location=None):
-    """Whether *path* lies inside the store of *root*, resolved: the store
-    stays inside its container and no link takes *path* out of the store.
-    In folder mode no link, junction or reparse point may sit anywhere from
-    the store down to *path*."""
-    location = location or current()
-    store = store_dir(root, location)
-    if store is None:
-        return False
-    container = store_container(root, location)
-    if not (_within(store, container) and _within(path, store)):
-        return False
-    if location.mode == SOURCE_MODE:
-        return True
-    return may_write(path, location)
-
-
-# ── preview text ─────────────────────────────────────────────────────
-
-
-def is_preview_text(filepath):
-    """URL text naming a preview: ``thumbnails/<...>/<name>_thumb<ext>``.
-
-    Text only, before any join: no backslash, drive or stream colon, and no
-    empty, ``.`` or ``..`` segment; ``thumbnails`` exactly as the first part
-    and nowhere else among the folders; the extension, in any case, one a
-    preview may carry (``X_thumb.JPG`` of an older release included).
-    """
-    if not filepath or "\\" in filepath or ":" in filepath:
-        return False
-    parts = filepath.split("/")
-    if len(parts) < 2 or parts[0] != PREVIEW_FOLDER:
-        return False
-    if any(part in ("", ".", "..") for part in parts):
-        return False
-    if PREVIEW_FOLDER in parts[1:-1]:
-        return False
-    stem, extension = os.path.splitext(parts[-1])
-    return (
-        stem.endswith(thumbnail_settings.THUMB_SUFFIX)
-        and len(stem) > len(thumbnail_settings.THUMB_SUFFIX)
-        and extension.lower() in thumbnail_settings.THUMBNAIL_EXTENSIONS
-    )
-
-
-# ── writes ───────────────────────────────────────────────────────────
-
-
-class _WriteGuard:
-    """``guard()`` for one preview write: true while the location has not
-    changed since the write started and *hold* (if any) allows it."""
-
-    __slots__ = ("generation", "_hold")
-
-    def __init__(self, hold=None):
-        self.generation = _generation
-        self._hold = hold
-
-    def __call__(self):
-        if self.generation != _generation:
-            return False
-        return self._hold is None or bool(self._hold())
-
-
-def write_guard(hold=None):
-    """Take when a preview write starts; hand to its final rename."""
-    if isinstance(hold, _WriteGuard):
-        return hold
-    return _WriteGuard(hold)
-
-
-@contextmanager
-def committed(guard=None):
-    """Around a preview's final rename: holds ``write_lock`` and yields
-    whether the write may land (``guard()``, re-checked under the lock)."""
-    with write_lock:
-        yield guard is None or bool(guard())
@@ -8,10 +8,8 @@ import sqlite3
 from aiohttp import web

 try:
-    from ...database.library_commands import LibraryCommandError
    from ...database.pairs import PairDependencyError
 except ImportError:
-    from database.library_commands import LibraryCommandError
    from database.pairs import PairDependencyError
 from urllib.parse import quote

@@ -1130,14 +1128,7 @@ class PromptRoutesMixin:
    async def bulk_add_tags(self, request):
        """Bulk add tags to prompts."""
        try:
-            try:
-                data = await request.json()
-            except ValueError:
-                return bad_request("Invalid JSON body")
-            if not isinstance(data, dict):
-                return bad_request("Expected a JSON object")
-            if "expected_epoch" in data:
-                return await self._bulk_library_tags(data)
+            data = await request.json()
            prompt_ids = data.get("prompt_ids", [])
            new_tags = data.get("tags", [])

@@ -1189,8 +1180,6 @@ class PromptRoutesMixin:
                )
            if "images_filter" in data:
                return await self._bulk_category_by_filter(data)
-            if "expected_epoch" in data:
-                return await self._bulk_library_category(data)
            if not data.get("prompt_ids"):
                return web.json_response(
                    {"success": False, "error": "No prompt IDs provided"}, status=400
@@ -1227,54 +1216,6 @@ class PromptRoutesMixin:
                status=500,
            )

-    async def _bulk_library_tags(self, data: dict) -> web.Response:
-        """The workspace Library's fenced form (#442).
-
-        ``{prompt_ids, tags, expected_epoch}``: prompt tags only, never image tags.
-        """
-        return await self._fenced_library_write(
-            data, "tags", self.db.bulk_add_library_tags
-        )
-
-    async def _fenced_library_write(
-        self, data: dict, field: str, write
-    ) -> web.Response:
-        """One fenced Library bulk write: exact keys, checked ids, 409 on a restore."""
-        fields = {"prompt_ids", field, "expected_epoch"}
-        if set(data) != fields:
-            return bad_request(
-                "Request must contain exactly " + ", ".join(sorted(fields))
-            )
-        try:
-            prompt_ids = parse_bulk_prompt_ids(data["prompt_ids"])
-            result = await self._run_in_executor(
-                write, prompt_ids, data[field], expected_epoch=data["expected_epoch"]
-            )
-        except LibraryCommandError as exc:
-            return web.json_response(
-                {
-                    "success": False,
-                    "code": exc.code,
-                    "library_epoch": exc.epoch,
-                    "error": "Prompt storage was restored; refresh the library",
-                },
-                status=409,
-            )
-        except ValueError as exc:
-            return bad_request(str(exc))
-        return web.json_response({"success": True, **result})
-
-    async def _bulk_library_category(self, data: dict) -> web.Response:
-        """The workspace Library's fenced form (#437).
-
-        ``{prompt_ids, category, expected_epoch}``: a non-blank category on
-        the selected Library parents, refused with 409 ``storage-changed``
-        when prompt storage was restored since the page read its epoch.
-        """
-        return await self._fenced_library_write(
-            data, "category", self.db.bulk_set_library_category
-        )
-
    async def _bulk_category_by_filter(self, data: dict) -> web.Response:
        """Set the category on every linked positive a listing filter admits.

@@ -1,47 +0,0 @@
-"""Revalidated responses for the pages and static files PromptManager serves.
-
-``Cache-Control: no-cache`` lets the browser keep a copy but makes it ask the
-server before every reuse, so a PromptManager update reaches the browser on a
-normal reload (#478). The ETag lets an unchanged file answer 304 without a
-body, which keeps that reload cheap.
-
-The tag hashes the bytes rather than the file's mtime and size: an update can
-keep both (an archive extract, a same-length edit within one clock tick), and
-the handlers read the whole file anyway. It is weak because the gzip
-middleware may send the same content in a different encoding.
-"""
-
-import hashlib
-
-from aiohttp import web
-
-REVALIDATE = "no-cache"
-
-
-def entity_tag(body: bytes) -> str:
-    """Weak ETag for ``body``."""
-    return f'W/"{hashlib.sha256(body).hexdigest()[:32]}"'
-
-
-def etag_matches(if_none_match, etag: str) -> bool:
-    """True when an If-None-Match header names ``etag`` (weak comparison)."""
-    if not if_none_match:
-        return False
-    if if_none_match.strip() == "*":
-        return True
-    opaque = etag.removeprefix("W/")
-    return any(
-        candidate.strip().removeprefix("W/") == opaque
-        for candidate in if_none_match.split(",")
-    )
-
-
-def revalidated_response(request, body: bytes, content_type: str, charset=None):
-    """200 with ``body``, or 304 when the request already holds this version."""
-    etag = entity_tag(body)
-    headers = {"Cache-Control": REVALIDATE, "ETag": etag}
-    if etag_matches(request.headers.get("If-None-Match"), etag):
-        return web.Response(status=304, headers=headers)
-    return web.Response(
-        body=body, content_type=content_type, charset=charset, headers=headers
-    )
@@ -9,10 +9,7 @@ candidates and the dependency fingerprint. ``POST .../items/{id}/decision``
 records one explicit decision: Apply links the chosen sampler's pair only
 when the capture is the item's bytes, the current file still hashes to them,
 the evidence they yield is unchanged and the ingester's compatible-only rules
-allow it; Leave unresolved links nothing. ``POST .../items/{id}/link`` (#536)
-links a Library prompt the reviewer chose, under the same capture and
-compatibility guards; it is their choice, so what the bytes resolve to is not
-asked.
+allow it; Leave unresolved links nothing.

 Targets are formatted from the recorded spelling against the current roots
 (no file access beyond the roots' real paths); a file under no current root
@@ -31,13 +28,12 @@ import urllib.parse

 from aiohttp import web

-from .annotations import _capture_error, _error
+from .annotations import _HEX64, _TOKEN, _UUID, _capture_error, _error
 from .images import media_thumbnail_url
 from .inspection_service import VIDEO_EXTENSIONS
 from .job_routes import busy_response
 from .jobs import JobBusy
 from .prompts import bad_request
-from .review_guards import UNRESOLVED, _decision_guards, _link_guards

 try:
    from ...database.library import display_title
@@ -63,6 +59,17 @@ MAX_CURSOR = 4096
 MAX_BODY_BYTES = 64 * 1024
 # The serialized detail stays under this; past it the detail is ``limited``.
 MAX_DETAIL_BYTES = 8 * 1024 * 1024
+UNRESOLVED = "unresolved"
+_DECISION_FIELDS = frozenset(
+    {
+        "expected_epoch",
+        "expected_revision",
+        "capture_token",
+        "sha256",
+        "dependency_fingerprint",
+        "choice",
+    }
+)
 _CURSOR_SECRET = os.urandom(32)
 # The real path of a spelling; module-level so a test can fake a junction.
 _realpath = os.path.realpath
@@ -77,7 +84,6 @@ _STATUS = {
    "storage-changed": 409,
    "source-changed": 409,
    "capture-expired": 409,
-    "prompt-missing": 409,
 }
 _MESSAGES = {
    "review-missing": "This review item no longer exists. Reload the queue.",
@@ -89,9 +95,6 @@ _MESSAGES = {
        "sampler path cannot be attached safely. The existing links were "
        "preserved."
    ),
-    "prompt-missing": (
-        "That prompt or recipe is no longer in the Library. Search again."
-    ),
    "dependencies-changed": (
        "The image's saved links changed since this item was opened. Reopen it "
        "to see the current association."
@@ -248,7 +251,6 @@ class ReviewRoutesMixin:
        routes.get(ITEMS_URL)(self.list_review_items)
        routes.get(ITEMS_URL + "/{item_id}")(self.get_review_item)
        routes.post(ITEMS_URL + "/{item_id}/decision")(self.decide_review_item)
-        routes.post(ITEMS_URL + "/{item_id}/link")(self.link_review_item)

    # -- shared ----------------------------------------------------------------

@@ -462,43 +464,6 @@ class ReviewRoutesMixin:
        except JobBusy as busy:
            return busy_response(busy)

-    async def link_review_item(self, request: web.Request) -> web.Response:
-        """POST the Library prompt the reviewer chose for one pending item.
-
-        Under the same lease as a decision. The capture must be the item's
-        current bytes; the choice and the file's links are checked in the
-        decision's transaction.
-        """
-        try:
-            async with self._jobs.lease(REVIEW_DECISION_LEASE):
-                return await self._link_review_item(request)
-        except JobBusy as busy:
-            return busy_response(busy)
-
-    async def _link_review_item(self, request: web.Request) -> web.Response:
-        data, error = await self._read_json_body(request, max_bytes=MAX_BODY_BYTES)
-        if error is not None:
-            return error
-        guards, error = _link_guards(data)
-        if error is not None:
-            return error
-        try:
-            item = await self._run_in_executor(
-                self.db.review_item, request.match_info["item_id"]
-            )
-        except Exception:
-            self.logger.exception("Review item read failed")
-            return _failed()
-        if item is None:
-            return _coded("review-missing")
-        verified, error = await self._verified_review_capture(
-            item, guards, need_metadata=True
-        )
-        if error is not None:
-            return error
-        manual = {"positive_id": guards["positive_id"], "pair_id": guards["pair_id"]}
-        return await self._record_decision(item, guards, None, verified, manual)
-
    async def _decide_review_item(self, request: web.Request) -> web.Response:
        data, error = await self._read_json_body(request, max_bytes=MAX_BODY_BYTES)
        if error is not None:
@@ -584,25 +549,22 @@ class ReviewRoutesMixin:
            return None, _coded("file-changed")
        metadata = None
        if need_metadata:
-            # A manual link has no ``choice``: it rests on the bytes alone.
-            if captured is None or (
-                "choice" in guards
-                and not _candidate_still_offered(captured[1], guards["choice"])
+            if captured is None or not _candidate_still_offered(
+                captured[1], guards["choice"]
            ):
                return None, _coded("review-conflict", "evidence-changed")
            metadata = captured[0]
        image_path = os.path.join(str(root), *relative.split("/"))
        return (capture, facts, image_path, metadata), None

-    def _decide_sync(self, item, guards, candidate, verified, manual=None):
+    def _decide_sync(self, item, guards, candidate, verified):
        """Worker thread: resolve the file's spellings, decide, build the view.

        Returns ``(result, view)``; a refusal raises with ``exc.view`` set.
        """
        _capture, facts, image_path, metadata = verified or (None, None, None, None)
        aliases, known = (), None
-        selected = candidate is not None or manual is not None
-        if selected:
+        if candidate is not None:
            aliases, known = physical_spellings(self.db, image_path, item["locator"])
        try:
            result = self.db.decide_review_item(
@@ -611,9 +573,8 @@ class ReviewRoutesMixin:
                expected_revision=guards["expected_revision"],
                # The bytes the re-hash proved, or the body's for Leave unresolved.
                sha256=facts.sha256 if facts is not None else guards["sha256"],
-                outcome="selected" if selected else UNRESOLVED,
+                outcome="selected" if candidate is not None else UNRESOLVED,
                candidate=candidate,
-                manual=manual,
                image_path=image_path,
                metadata=metadata,
                expected_fingerprint=guards["dependency_fingerprint"],
@@ -628,11 +589,11 @@ class ReviewRoutesMixin:
        roots, real_roots = self._review_roots()
        return result, self._review_view(result["item"], roots, real_roots)

-    async def _record_decision(self, item, guards, candidate, verified, manual=None):
+    async def _record_decision(self, item, guards, candidate, verified):
        capture = verified[0] if verified else None
        try:
            result, view = await self._run_in_executor(
-                self._decide_sync, item, guards, candidate, verified, manual
+                self._decide_sync, item, guards, candidate, verified
            )
        except ReviewCommandError as exc:
            return self._decision_refused(exc)
@@ -668,6 +629,36 @@ class ReviewRoutesMixin:
        return _coded(exc.code, message, **extra)


+def _decision_guards(data: dict):
+    """The validated decision fields, or ``(None, error)``."""
+    if set(data) != _DECISION_FIELDS:
+        return None, bad_request(
+            "Request must contain exactly " + ", ".join(sorted(_DECISION_FIELDS))
+        )
+    epoch, revision = data["expected_epoch"], data["expected_revision"]
+    if not isinstance(epoch, str) or _UUID.fullmatch(epoch) is None:
+        return None, bad_request("expected_epoch must be a canonical UUID")
+    if type(revision) is not int or revision < 0:
+        return None, bad_request("expected_revision must be a non-negative integer")
+    token = data["capture_token"]
+    if token is not None and (
+        not isinstance(token, str) or _TOKEN.fullmatch(token) is None
+    ):
+        return None, bad_request("Invalid capture token")
+    for name in ("sha256", "dependency_fingerprint"):
+        value = data[name]
+        if not isinstance(value, str) or _HEX64.fullmatch(value) is None:
+            return None, bad_request(
+                f"{name} must be 64 lowercase hexadecimal characters"
+            )
+    choice = data["choice"]
+    if not isinstance(choice, str) or (
+        choice != UNRESOLVED and _HEX64.fullmatch(choice) is None
+    ):
+        return None, bad_request("choice must be a candidate hash or unresolved")
+    return {**data}, None
+
+
 def _verify_and_read(store, capture, item, root, need_metadata: bool):
    """Worker thread: ``(relative, facts, captured)``, or None off the root.

@@ -1,66 +0,0 @@
-"""Body validation of Needs review decisions and manual links (#249 E3, #536)."""
-
-from .annotations import _HEX64, _TOKEN, _UUID
-from .prompts import bad_request
-
-UNRESOLVED = "unresolved"
-_GUARD_FIELDS = frozenset(
-    {
-        "expected_epoch",
-        "expected_revision",
-        "capture_token",
-        "sha256",
-        "dependency_fingerprint",
-    }
-)
-_DECISION_FIELDS = _GUARD_FIELDS | {"choice"}
-_LINK_FIELDS = _GUARD_FIELDS | {"positive_id", "pair_id"}
-
-
-def _guard_error(data: dict, fields: frozenset):
-    """The first problem with a decision's shared fields, as a response."""
-    if set(data) != fields:
-        return bad_request("Request must contain exactly " + ", ".join(sorted(fields)))
-    epoch, revision = data["expected_epoch"], data["expected_revision"]
-    if not isinstance(epoch, str) or _UUID.fullmatch(epoch) is None:
-        return bad_request("expected_epoch must be a canonical UUID")
-    if type(revision) is not int or revision < 0:
-        return bad_request("expected_revision must be a non-negative integer")
-    token = data["capture_token"]
-    if token is not None and (
-        not isinstance(token, str) or _TOKEN.fullmatch(token) is None
-    ):
-        return bad_request("Invalid capture token")
-    for name in ("sha256", "dependency_fingerprint"):
-        value = data[name]
-        if not isinstance(value, str) or _HEX64.fullmatch(value) is None:
-            return bad_request(f"{name} must be 64 lowercase hexadecimal characters")
-    return None
-
-
-def _decision_guards(data: dict):
-    """The validated decision fields, or ``(None, error)``."""
-    error = _guard_error(data, _DECISION_FIELDS)
-    if error is not None:
-        return None, error
-    choice = data["choice"]
-    if not isinstance(choice, str) or (
-        choice != UNRESOLVED and _HEX64.fullmatch(choice) is None
-    ):
-        return None, bad_request("choice must be a candidate hash or unresolved")
-    return {**data}, None
-
-
-def _link_guards(data: dict):
-    """The validated manual link fields, or ``(None, error)``."""
-    error = _guard_error(data, _LINK_FIELDS)
-    if error is not None:
-        return None, error
-    if data["capture_token"] is None:
-        return None, bad_request("A link needs a capture of the file")
-    positive, pair = data["positive_id"], data["pair_id"]
-    if type(positive) is not int or positive < 1:
-        return None, bad_request("positive_id must be a positive integer")
-    if pair is not None and (type(pair) is not int or pair < 1):
-        return None, bad_request("pair_id must be a positive integer or null")
-    return {**data}, None
@@ -8,8 +8,7 @@ is shared with the LoRA integration's save.
 GET also reports the image sources and the monitor (``sources.py``). A save
 that changes the sources runs as a ``source_change`` registry hold, so it is
 refused while a record-changing job (a scan) runs. ``monitoring_enabled``
-takes effect at the next restart; ``save_foreign_runs`` (#247) at once, since
-the monitor reads it for every file. ``POST /prompt_manager/settings/validate-source``
+takes effect at the next restart. ``POST /prompt_manager/settings/validate-source``
 checks one path and writes nothing.
 """

@@ -30,7 +29,6 @@ from . import thumbnail_settings
 from .admin import _current_image_monitor
 from .job_routes import busy_response
 from .jobs import THUMBNAILS_JOB_KIND, JobBusy
-from .thumbnail_location import needs_move_response

 try:
    from ...utils.validators import validate_result_timeout, validate_worker_threads
@@ -45,7 +43,6 @@ _SETTINGS_FILE_KEYS = {
    "INFINITE_SCROLL": ("web_ui", "infinite_scroll"),
    "WORKER_THREADS": ("performance", "worker_threads"),
    "MONITORING_ENABLED": ("gallery", "monitoring", "enabled"),
-    "SAVE_FOREIGN_RUNS": ("gallery", "monitoring", "save_foreign_runs"),
    "SAFETY_BACKUP": ("maintenance", "safety_backup"),
    "THUMBNAIL_FORMAT": ("thumbnails", "format"),
    "THUMBNAIL_QUALITY": ("thumbnails", "quality"),
@@ -61,7 +58,7 @@ _SETTINGS_FILE_KEYS = {
 # The thumbnail settings a running Convert outdated job fixes (#317).
 _THUMBNAIL_SETTINGS = ("THUMBNAIL_FORMAT", "THUMBNAIL_QUALITY", "THUMBNAIL_EDGE")
 # Attributes that live on GalleryConfig; the others on PromptManagerConfig.
-_GALLERY_SETTINGS = frozenset({"MONITORING_ENABLED", "SAVE_FOREIGN_RUNS"})
+_GALLERY_SETTINGS = frozenset({"MONITORING_ENABLED"})
 # Attributes that live on AutotagConfig, named without the AUTOTAG_ prefix.
 _AUTOTAG_SETTINGS = frozenset(
    name for name in _SETTINGS_FILE_KEYS if name.startswith("AUTOTAG_")
@@ -265,15 +262,8 @@ class SettingsRoutesMixin:
                    "sources": source_status,
                    "monitor": monitor,
                    "thumbnail_encoders": encoders,
-                    # #320: the full path only here (D6A).
-                    "thumbnail_location": await self._run_in_executor(
-                        functools.partial(
-                            self._thumbnail_location_payload, with_path=True
-                        )
-                    ),
                    "settings": {
                        "monitoring_enabled": GalleryConfig.MONITORING_ENABLED,
-                        "save_foreign_runs": GalleryConfig.SAVE_FOREIGN_RUNS,
                        "result_timeout": PromptManagerConfig.RESULT_TIMEOUT,
                        "webui_display_mode": PromptManagerConfig.WEBUI_DISPLAY_MODE,
                        "infinite_scroll": PromptManagerConfig.INFINITE_SCROLL,
@@ -384,9 +374,6 @@ class SettingsRoutesMixin:
            if error_response is not None:
                return error_response

-            if "thumbnail_location" in data:
-                # #320: only the Move thumbnails job changes the location.
-                return needs_move_response()
            expected_revision = data.get("expected_revision")
            if expected_revision is not None and not isinstance(expected_revision, str):
                return web.json_response(
@@ -639,10 +626,6 @@ class SettingsRoutesMixin:
            if not isinstance(data["monitoring_enabled"], bool):
                raise ValueError("monitoring_enabled must be true or false")
            updates["MONITORING_ENABLED"] = data["monitoring_enabled"]
-        if "save_foreign_runs" in data:
-            if not isinstance(data["save_foreign_runs"], bool):
-                raise ValueError("save_foreign_runs must be true or false")
-            updates["SAVE_FOREIGN_RUNS"] = data["save_foreign_runs"]
        if "safety_backup" in data:
            if not isinstance(data["safety_backup"], bool):
                raise ValueError("safety_backup must be true or false")
@@ -41,13 +41,6 @@ def _coded(status: int, code: str, message: str) -> web.Response:
    )


-def _missing_if_not_found(response: web.Response) -> web.Response:
-    """A file in a trash folder answers as a missing file does (#543)."""
-    if response.status == 404:
-        return _coded(404, "file-missing", "Image file not found")
-    return response
-
-
 def _no_store(response: web.Response) -> web.Response:
    response.headers["Cache-Control"] = "no-store"
    return response
@@ -78,7 +71,7 @@ class SourceRescopeMixin:
        path = root / relative
        denied = _media_access_error(path, [root])
        if denied is not None:
-            return _missing_if_not_found(denied)
+            return denied
        try:
            mtime = path.stat().st_mtime if path.is_file() else None
        except OSError:
@@ -96,7 +89,7 @@ class SourceRescopeMixin:
            return bad_request("Send exactly one target")
        target, error = media_target(data["target"])
        if error is not None:
-            return _missing_if_not_found(error)
+            return error
        old_index, scope, relative = target
        if old_index > MAX_ROOT_INDEX:
            return bad_request("Invalid gallery root")
--- a/Show More
+++ b/Show More