diff --git a/TESTING.md b/TESTING.md
index 16a22edb..3512e465 100644
--- a/TESTING.md
+++ b/TESTING.md
@@ -2458,6 +2458,29 @@ files to the system trash. **No code path unlinks or overwrites a media file.**
   back records of files that are in the trash (Missing-file links cleans them up). The
   legacy gallery lists every file on disk, removed or not. Hard links have one mark per
   path, and on FAT/exFAT/SMB a same-size replacement can stay hidden.
+  Since #501 the thumbnail jobs (System › Thumbnails' counts and its missing, rebuild and
+  convert runs, and the previews after a scan) and the legacy `GET /scan_output_dir`
+  listing skip hidden files too; an on-demand preview the legacy gallery asks for is still
+  made, and a one-image auto-tag (`/autotag/single` + `/autotag/apply`) is an explicit
+  write that shows the file again. System › Maintenance **Missing-file links** also
+  forgets the marks that hide nothing any more (the file is gone from a folder that still
+  exists, or its bytes changed), counted in its scope ("K removed images whose files are
+  gone or changed") and job line, judged only under a source that is readable and lists
+  something (an unplugged drive's empty mount point keeps its marks), never for a source
+  no longer configured, and re-checked at apply (`plan-changed`). The sidebar's Images,
+  Favorites and Needs review counts and the collection counts are read again when an
+  `image_delete` job ends in the tab that followed it (`JOB_END_COUNTS`, `state.mjs`).
+  Tests: `tests/test_image_removal_gaps.py`, the sidebar case in
+  `tests/browser/workspace-images-delete.spec.mjs`.
+- **Trash folders inside an output root** (#501, `utils/media_folders.py`): no walker
+  descends a folder below a root named `.Trash`, `.Trash-<digits>`, `.Trashes` or
+  `$RECYCLE.BIN` (any case), as none descends `thumbnails`: the workspace and legacy
+  listings (`_walk_media`, `_settled_entry`), the metadata scan and duplicate find
+  (`_collect_media_files`), the legacy auto-tag listing (`_collect_scan_files`) and the
+  delete review (`trash-folder`). The image monitor tests every folder of the new file's
+  absolute path, so it also ignores outputs written into a source that itself lies
+  inside such a folder. Tests: `tests/test_media_folders.py`,
+  `tests/test_image_removal_gaps.py`.
 - **Trash backends** (`utils/trash.py`, no dependency): Linux and BSD implement the
   freedesktop Trash specification (home trash on the same mount, else the mount's
   `.Trash/$uid` or `.Trash-$uid`), reserve the name with `O_EXCL` and move with
diff --git a/database/image_removal.py b/database/image_removal.py
index 3360433c..58099e03 100644
--- a/database/image_removal.py
+++ b/database/image_removal.py
@@ -144,6 +144,23 @@ def removed_from_library(conn, path) -> bool:
     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())
 
diff --git a/database/maintenance.py b/database/maintenance.py
index a76d2d9c..6fddc494 100644
--- a/database/maintenance.py
+++ b/database/maintenance.py
@@ -15,6 +15,8 @@ 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
@@ -41,6 +43,8 @@ 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
 
@@ -187,6 +191,8 @@ 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)."""
@@ -289,6 +295,90 @@ 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)
@@ -431,8 +521,11 @@ class MaintenanceOperations:
         if operation == "workflow_storage":
             return self._plan_workflow_storage()
         if operation == "missing_links":
-            rows = _read_snapshot(self.model.db_path, self._link_rows)
-            return self._plan_missing_links(rows, roots)
+            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))
         reader = (
             self._plan_duplicate_prompts
             if operation == "duplicate_prompts"
@@ -563,13 +656,15 @@ class MaintenanceOperations:
         )
 
     @staticmethod
-    def _links_fingerprint(candidates):
+    def _links_fingerprint(candidates, stale=()):
         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):
+    def _plan_missing_links(self, rows, roots, stale=()):
         readable = readable_roots(roots)
         candidates, unavailable, outside = [], 0, 0
         for row, owner, state in link_states(rows, roots, readable):
@@ -597,29 +692,47 @@ 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),
+            fingerprint=self._links_fingerprint(candidates, stale),
             targets=[row[0] for row, _owner in candidates],
             scope={
-                "count": count,
-                "label": (
-                    _plural(count, "link to a missing file", "links to missing files")
-                    if count
-                    else "No links to missing files"
-                ),
+                "count": count + len(stale),
+                "label": "; ".join(parts) or "No links to missing files",
             },
             protected={"count": unavailable + outside, "reasons": reasons},
             media={"deletes_files": False, "label": LINKS_ONLY},
-            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]
-            ],
+            details=details[:MAX_DETAILS],
+            marks=[locator for locator, _owner in stale],
         )
 
     def _plan_optimize(self):
@@ -669,14 +782,18 @@ class MaintenanceOperations:
 
     # ── apply ─────────────────────────────────────────────────────────
 
-    def apply_maintenance(self, operation, fingerprint, targets, roots=()) -> dict:
+    def apply_maintenance(
+        self, operation, fingerprint, targets, roots=(), marks=()
+    ) -> 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}``).
+        (``{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.
         """
         if operation not in MAINTENANCE_OPERATIONS or operation == "workflow_storage":
             raise ValueError(f"Unknown maintenance operation {operation!r}")
@@ -689,9 +806,12 @@ 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):
@@ -720,7 +840,7 @@ class MaintenanceOperations:
         ]
         return {"changed": changed, "rows": rows}
 
-    def _apply_missing_links(self, conn, fingerprint, targets, roots):
+    def _apply_missing_links(self, conn, fingerprint, targets, roots, marks):
         rows = []
         for batch in _batches(sorted(targets)):
             rows.extend(
@@ -737,10 +857,14 @@ class MaintenanceOperations:
             if state != "missing":  # back, or its source went away
                 raise PlanChanged("missing_links")
             candidates.append((row, owner))
-        if self._links_fingerprint(candidates) != fingerprint:
+        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:
             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]],
         }
diff --git a/py/api/admin.py b/py/api/admin.py
index a6b123d2..a9f820e2 100644
--- a/py/api/admin.py
+++ b/py/api/admin.py
@@ -36,10 +36,13 @@ except ImportError:
 
 try:
     from ...utils import exit_signal
+    from ...utils.media_folders import is_skipped_folder
 except ImportError:
     from utils import exit_signal
+    from utils.media_folders import 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,
@@ -60,6 +63,7 @@ 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,
@@ -118,10 +122,11 @@ 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``
-    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.
+    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.
     """
     wanted = {ext.lower() for ext in extensions}
     found = []
@@ -136,7 +141,7 @@ def _collect_media_files(output_dirs, extensions):
             dirnames[:] = sorted(
                 d
                 for d in dirnames
-                if d != "thumbnails"
+                if not is_skipped_folder(d)
                 and depth < MAX_SCAN_DEPTH
                 and not os.path.islink(os.path.join(current, d))
             )
@@ -893,11 +898,8 @@ class AdminRoutesMixin:
                     stat = os.stat(path)
                 except OSError:
                     continue
-                mark = marks.get(os.path.normcase(os.path.realpath(str(path))))
-                if mark is not None and tuple(mark) == (
-                    stat.st_size,
-                    stat.st_mtime_ns,
-                ):
+                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:
diff --git a/py/api/autotag_routes.py b/py/api/autotag_routes.py
index edc8ca82..d3ff1629 100644
--- a/py/api/autotag_routes.py
+++ b/py/api/autotag_routes.py
@@ -23,6 +23,11 @@ from .prompts import thumbnail_url_for
 from . import thumbnail_settings
 from .. import model_gate
 
+try:
+    from ...utils.media_folders import is_skipped_folder
+except ImportError:
+    from utils.media_folders import is_skipped_folder
+
 from aiohttp import web
 
 _INTERNAL_ERROR = "An internal error occurred. Check server logs for details."
@@ -1319,8 +1324,9 @@ 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``
-        trees and symlinked files, and stops after ``_SCAN_MAX_FILES`` files.
+        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.
         Returns ``(paths, truncated)``.
         """
         found = []
@@ -1330,7 +1336,7 @@ class AutotagRoutesMixin:
             dirnames[:] = sorted(
                 name
                 for name in dirnames
-                if name != "thumbnails" and depth + 1 <= _SCAN_MAX_DEPTH
+                if not is_skipped_folder(name) and depth + 1 <= _SCAN_MAX_DEPTH
             )
             for name in sorted(filenames):
                 if Path(name).suffix.lower() not in _MEDIA_EXTENSIONS:
@@ -1357,6 +1363,10 @@ 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
+            )
             has_thumbnails = (output_path / "thumbnails").is_dir()
 
             images = []
diff --git a/py/api/image_delete.py b/py/api/image_delete.py
index fe011149..44d38737 100644
--- a/py/api/image_delete.py
+++ b/py/api/image_delete.py
@@ -47,12 +47,16 @@ from .maintenance import MAINTENANCE_PREVIEW_LEASE, _fail_job, _failure, backup_
 
 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")
@@ -61,7 +65,6 @@ TITLES = {
     "trash": "Delete images (move to the trash)",
 }
 MAX_DETAIL_ROWS = 50
-TRASH_FOLDERS = frozenset({".trash", ".trashes", "$recycle.bin"})
 
 # Reason codes (design §4.4) and the sentence each shows.
 REASONS = {
@@ -93,19 +96,12 @@ SOURCES_CHANGED = "The sources changed since the review; nothing was changed."
 RECORDS_FAILED = "The image records could not be removed; the job stopped."
 
 
-def _is_trash_folder(name: str) -> bool:
-    folded = name.casefold()
-    return folded in TRASH_FOLDERS or (
-        folded.startswith(".trash-") and folded[7:].isdigit()
-    )
-
-
 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]):
+    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"
@@ -443,37 +439,49 @@ class ImageDeleteMixin:
         if not marks:
             return set()
         located = self._workspace_locators(listings)
-        hidden = set()
-        for locator, (size, mtime_ns) in marks.items():
-            entry = located.get(locator)
-            if entry is None:
-                continue
-            try:
-                info = os.lstat(entry.path)
-            except OSError:
-                continue
-            if (info.st_size, info.st_mtime_ns) == (size, mtime_ns):
-                hidden.add(entry.normalized)
-        return hidden
+        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()
-        hidden = set()
-        for path in paths:
-            mark = marks.get(os.path.normcase(os.path.realpath(str(path))))
-            if mark is None:
-                continue
-            try:
-                info = os.lstat(path)
-            except OSError:
-                continue
-            if (info.st_size, info.st_mtime_ns) == tuple(mark):
-                hidden.add(str(path))
+        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."""
diff --git a/py/api/images.py b/py/api/images.py
index 38286e2e..eb5636d9 100644
--- a/py/api/images.py
+++ b/py/api/images.py
@@ -66,6 +66,7 @@ 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, is_skipped_folder
     from ...utils.parallel import map_parallel
     from ...utils.json_strict import dumps_strict
     from ...utils.inspection_response import (
@@ -91,6 +92,7 @@ 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, is_skipped_folder
     from utils.parallel import map_parallel
     from utils.json_strict import dumps_strict
     from utils.inspection_response import (
@@ -915,7 +917,8 @@ 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/`` is skipped, descent stops
+    Symlinks are never followed, ``thumbnails/`` and trash folders are
+    skipped (``utils.media_folders``, #501), 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
@@ -927,8 +930,6 @@ 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:
@@ -952,7 +953,7 @@ 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():
+            if not entry.is_symlink() and not is_skipped_folder(entry.name):
                 stack.append((entry.path, rel_parts + (entry.name,)))
 
 
@@ -976,7 +977,7 @@ def _settled_entry(root, relative):
     *folders, name = relative.split(os.sep)
     if _name_suffix(name).lower() not in MEDIA_EXTENSIONS:
         return None
-    if "thumbnails" in folders or len(folders) > MAX_SCAN_DEPTH:
+    if in_skipped_folder(folders) or len(folders) > MAX_SCAN_DEPTH:
         return None
     folder = os.fspath(root)
     for part in ("", *folders):
@@ -3075,7 +3076,9 @@ 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.
+        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).
         ``stop()`` true ends the walk before the next file.
         """
         settings = writer_settings(settings)
@@ -3084,11 +3087,14 @@ class ImageRoutesMixin:
         plan = {key: 0 for key in _PLAN_COUNTS}
         plan.update(targets=[], fresh_files=[])
         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)
diff --git a/py/api/maintenance.py b/py/api/maintenance.py
index 4a518efd..e7d34020 100644
--- a/py/api/maintenance.py
+++ b/py/api/maintenance.py
@@ -281,7 +281,7 @@ def short_space_message(short):
     )
 
 
-def _changed_line(operation, count):
+def _changed_line(operation, count, marks=0):
     if operation == "optimize":
         return "Optimized the database"
     if operation == "duplicate_prompts":
@@ -291,7 +291,11 @@ def _changed_line(operation, count):
         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"
-    return f"Removed {count:,} {noun}"
+    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
 
 
 def take_safety_backup(model, label="backup"):
@@ -419,6 +423,7 @@ class MaintenanceRoutesMixin:
             draft.public(),
             {
                 "targets": draft.targets,
+                "marks": draft.marks,
                 "roots": roots,
                 "protected": draft.protected["count"],
                 "rows": draft.scope["count"],
@@ -653,6 +658,7 @@ class MaintenanceRoutesMixin:
                 plan.fingerprint,
                 payload["targets"],
                 payload["roots"],
+                payload.get("marks", ()),
             )
         except PlanChanged:
             return _fail_job(job, "plan-changed", PLAN_CHANGED)
@@ -664,7 +670,7 @@ class MaintenanceRoutesMixin:
         )
         job.record_counted("changed", result["changed"], rows)
         job.record_counted("protected", payload["protected"])
-        line = _changed_line(plan.operation, result["changed"])
+        line = _changed_line(plan.operation, result["changed"], result.get("marks", 0))
         job.log_line(line)
         job.update(progress=100, status_line=f"{line} · {backup_note(backup)}")
 
diff --git a/tests/browser/workspace-images-delete.spec.mjs b/tests/browser/workspace-images-delete.spec.mjs
index bf727731..7051166b 100644
--- a/tests/browser/workspace-images-delete.spec.mjs
+++ b/tests/browser/workspace-images-delete.spec.mjs
@@ -73,6 +73,19 @@ for (const mode of ['library', 'trash']) {
     });
 }
 
+// #501: the sidebar's Images count (read once at mount) follows a finished delete without a reload.
+test('a finished delete re-reads the sidebar Images count', async ({ page }) => {
+    await openImages(page);
+    const badge = page.locator('#primary-nav a[data-route="images"] .nav-count');
+    await expect(badge).toHaveText(/^\d[\d,]*$/);
+    const before = Number((await badge.textContent()).replace(/,/g, ''));
+    await check(page, 0);
+    const { primary } = await deleteChecked(page, 'library');
+    await primary.click();
+    await expect(toast(page)).toContainText('Removed 1 image from the library.');
+    await expect(badge).toHaveText((before - 1).toLocaleString('en-US'));
+});
+
 test('Cancel changes nothing', async ({ page }) => {
     const before = await openImages(page);
     await check(page, 0);
diff --git a/tests/test_image_removal_gaps.py b/tests/test_image_removal_gaps.py
new file mode 100644
index 00000000..cb961720
--- /dev/null
+++ b/tests/test_image_removal_gaps.py
@@ -0,0 +1,251 @@
+"""Removal-mark gaps after #480, and trash folders inside output roots (#501).
+
+- Thumbnail jobs and the legacy auto-tag listing skip a library-removed file.
+- Missing-file links also forgets the marks of files that are gone (only under
+  a source that can be read now).
+- Every walker skips a trash folder that sits inside an output root.
+"""
+
+import asyncio
+import os
+import shutil
+import sqlite3
+from pathlib import Path
+from unittest.mock import patch
+
+try:
+    from tests.disk_waits import DISK_BOUND_SECONDS
+    from tests.test_image_delete_routes import ImageDeleteTestCase
+except ImportError:  # discovered with tests/ as the top-level directory
+    from disk_waits import DISK_BOUND_SECONDS
+    from test_image_delete_routes import ImageDeleteTestCase
+
+from py.api import images as images_module
+from py.api.admin import _collect_media_files
+from py.api.autotag_routes import AutotagRoutesMixin
+from utils.image_monitor import ImageGenerationHandler
+
+MAINTENANCE_PREVIEW = "/prompt_manager/maintenance/preview"
+MAINTENANCE_APPLY = "/prompt_manager/maintenance/apply"
+
+
+class _GapCase(ImageDeleteTestCase):
+    def marks(self):
+        conn = sqlite3.connect(self.api.db.model.db_path)
+        try:
+            return [
+                row[0] for row in conn.execute("SELECT locator FROM image_removals")
+            ]
+        finally:
+            conn.close()
+
+    def revision(self):
+        conn = sqlite3.connect(self.api.db.model.db_path)
+        try:
+            return conn.execute(
+                "SELECT revision FROM image_removals_meta WHERE singleton_id=1"
+            ).fetchone()[0]
+        finally:
+            conn.close()
+
+
+class TestThumbnailJobsSkipHiddenFiles(_GapCase):
+    async def test_missing_and_rebuild_plans_leave_a_removed_file_out(self):
+        self.write("hidden.png", b"hidden bytes", mtime=1_000_000)
+        self.write("shown.png", b"shown bytes", mtime=2_000_000)
+        await self.delete(["hidden.png"], "library")
+        thumbs = self.output_dir / "thumbnails"
+        for mode in ("missing", "rebuild"):
+            with self.subTest(mode=mode):
+                plan = self.api._plan_thumbnails(self.output_dir, thumbs, mode=mode)
+                sources = [src.name for src, _dst, _video in plan["targets"]]
+                self.assertEqual(sources, ["shown.png"])
+                self.assertEqual(plan["missing"], 1)
+
+    async def test_a_changed_file_gets_its_preview_again(self):
+        self.write("hidden.png", b"hidden bytes", mtime=1_000_000)
+        await self.delete(["hidden.png"], "library")
+        self.write("hidden.png", b"new and longer bytes", mtime=3_000_000)
+        plan = self.api._plan_thumbnails(
+            self.output_dir, self.output_dir / "thumbnails"
+        )
+        self.assertEqual([t[0].name for t in plan["targets"]], ["hidden.png"])
+
+
+class TestLegacyAutotagListing(_GapCase):
+    async def test_scan_output_dir_leaves_a_removed_file_out(self):
+        self.write("hidden.png", b"hidden bytes", mtime=1_000_000)
+        self.write("shown.png", b"shown bytes", mtime=2_000_000)
+        await self.delete(["hidden.png"], "library")
+        with patch.object(
+            self.api, "_find_comfyui_output_dir", return_value=str(self.output_dir)
+        ):
+            response = await self.client.get("/prompt_manager/scan_output_dir")
+            body = await response.json()
+        self.assertEqual([image["filename"] for image in body["images"]], ["shown.png"])
+
+
+class TestMissingFileLinksPrunesMarks(_GapCase):
+    async def links_review(self, status=200):
+        return await self.post(
+            MAINTENANCE_PREVIEW, {"operation": "missing_links", "options": {}}, status
+        )
+
+    async def apply(self, token, status=202):
+        body = await self.post(MAINTENANCE_APPLY, {"token": token}, status)
+        if status != 202:
+            return body
+        job = self.api._jobs.get(body["job"]["id"])
+        await asyncio.wait_for(asyncio.shield(job.task), DISK_BOUND_SECONDS)
+        return job
+
+    async def removed(self, name):
+        self.write("other.png", b"another output")  # the source lists something
+        self.write(name, f"bytes of {name}".encode(), mtime=1_000_000)
+        await self.delete([name], "library")
+        self.assertEqual(len(self.marks()), 1)
+
+    async def test_the_mark_of_a_gone_file_is_counted_and_forgotten(self):
+        await self.removed("gone.png")
+        # Not an unlink by PromptManager: the user deleted it elsewhere.
+        os.remove(self.output_dir / "gone.png")
+        plan = await self.links_review()
+        self.assertEqual(plan["scope"]["count"], 1)
+        self.assertEqual(
+            plan["scope"]["label"], "1 removed image whose file is gone or changed"
+        )
+        before = self.revision()
+        job = await self.apply(plan["token"])
+        self.assertEqual(job.state, "finished", job.summary())
+        self.assertEqual(self.marks(), [])
+        self.assertGreater(self.revision(), before)
+
+    async def test_the_mark_of_a_present_file_stays(self):
+        await self.removed("kept.png")
+        plan = await self.links_review()
+        self.assertEqual(plan["scope"]["count"], 0)
+        self.assertEqual(plan["scope"]["label"], "No links to missing files")
+        self.assertEqual(len(self.marks()), 1)
+
+    async def test_a_mark_under_an_unreadable_source_stays(self):
+        await self.removed("away.png")
+        os.remove(self.output_dir / "away.png")
+        with patch(
+            "database.maintenance.readable_roots",
+            side_effect=lambda r: [False] * len(r),
+        ):
+            plan = await self.links_review()
+            self.assertEqual(plan["scope"]["count"], 0)
+        self.assertEqual(len(self.marks()), 1)
+
+    async def test_the_mark_of_a_changed_file_is_forgotten(self):
+        await self.removed("changed.png")
+        self.write("changed.png", b"other and longer bytes", mtime=4_000_000)
+        plan = await self.links_review()
+        self.assertEqual(plan["scope"]["count"], 1)
+        job = await self.apply(plan["token"])
+        self.assertEqual(job.state, "finished", job.summary())
+        self.assertEqual(self.marks(), [])
+
+    async def test_marks_under_an_empty_source_stay(self):
+        # An unplugged drive leaves its mount point: an empty, readable folder.
+        await self.removed("mounted.png")
+        for child in list(self.output_dir.iterdir()):
+            if child.is_dir():
+                shutil.rmtree(child)
+            else:
+                os.remove(child)
+        plan = await self.links_review()
+        self.assertEqual(plan["scope"]["count"], 0)
+        self.assertEqual(len(self.marks()), 1)
+
+    async def test_a_name_the_folder_still_lists_is_not_gone(self):
+        # A case-sensitive NTFS folder: lstat of the normcased locator fails.
+        await self.removed("Listed.png")
+        real_lstat = os.lstat
+        locator = self.marks()[0]
+
+        def lstat(path, *args, **kwargs):
+            if os.fspath(path) == locator:
+                raise FileNotFoundError(path)
+            return real_lstat(path, *args, **kwargs)
+
+        with (
+            patch("database.maintenance.os.lstat", side_effect=lstat),
+            patch("database.maintenance.os.path.normcase", side_effect=str.lower),
+        ):
+            from database.maintenance import _stale_marks
+
+            stale = _stale_marks([(locator, 1, 1)], [str(self.output_dir)])
+        self.assertEqual(stale, [])
+
+    async def test_a_file_back_before_the_apply_changes_the_plan(self):
+        await self.removed("back.png")
+        path = self.output_dir / "back.png"
+        saved = Path(self.tmpdir) / "saved.png"
+        shutil.copy2(path, saved)
+        os.remove(path)
+        plan = await self.links_review()
+        shutil.copy2(saved, path)
+        job = await self.apply(plan["token"])
+        self.assertEqual(job.state, "failed", job.summary())
+        self.assertEqual(len(self.marks()), 1)
+
+
+class TestWalkersSkipTrashFolders(_GapCase):
+    def seed(self):
+        self.write("kept.png", b"kept")
+        self.write(
+            "x.png", b"trashed x", folder=self.output_dir / ".Trash-1000" / "files"
+        )
+        self.write(
+            "y.png", b"trashed y", folder=self.output_dir / "sub" / "$RECYCLE.BIN"
+        )
+        self.write("z.png", b"trashed z", folder=self.output_dir / ".Trashes")
+
+    def test_walk_media_and_the_settled_entry(self):
+        self.seed()
+        walked = sorted(
+            Path(entry.path).name
+            for entry in images_module._walk_media(self.output_dir, 100)
+        )
+        self.assertEqual(walked, ["kept.png"])
+        for relative in (
+            os.path.join(".Trash-1000", "files", "x.png"),
+            os.path.join("sub", "$RECYCLE.BIN", "y.png"),
+        ):
+            with self.subTest(relative=relative):
+                self.assertIsNone(
+                    images_module._settled_entry(self.output_dir, relative)
+                )
+
+    def test_scan_duplicate_and_autotag_walkers(self):
+        self.seed()
+        collected = [
+            Path(p).name for p in _collect_media_files([self.output_dir], [".png"])
+        ]
+        self.assertEqual(collected, ["kept.png"])
+        found, _truncated = AutotagRoutesMixin._collect_scan_files(self.output_dir)
+        self.assertEqual([p.name for p in found], ["kept.png"])
+
+    def test_the_image_monitor(self):
+        monitor = ImageGenerationHandler.__new__(ImageGenerationHandler)
+        monitor.supported_extensions = (".png",)
+        base = str(self.output_dir)
+        self.assertTrue(monitor.is_image_file(os.path.join(base, "a.png")))
+        for folder in (".Trash-1000", "$Recycle.Bin", ".Trashes", ".trash"):
+            with self.subTest(folder=folder):
+                self.assertFalse(
+                    monitor.is_image_file(os.path.join(base, folder, "files", "a.png"))
+                )
+
+    async def test_the_workspace_listing(self):
+        self.seed()
+        self.assertEqual(await self.listed(), ["kept.png"])
+
+    def test_a_root_named_like_a_trash_folder_still_lists(self):
+        root = Path(self.tmpdir) / ".Trash-1000"
+        (root / "inner").mkdir(parents=True)
+        (root / "inner" / "a.png").write_bytes(b"a")
+        walked = [Path(e.path).name for e in images_module._walk_media(root, 10)]
+        self.assertEqual(walked, ["a.png"])
diff --git a/tests/test_media_folders.py b/tests/test_media_folders.py
new file mode 100644
index 00000000..d866aa93
--- /dev/null
+++ b/tests/test_media_folders.py
@@ -0,0 +1,41 @@
+"""The shared folder skip every media walker uses (#501)."""
+
+import unittest
+
+from utils.media_folders import in_skipped_folder, is_skipped_folder, is_trash_folder
+
+
+class TrashFolderNameTests(unittest.TestCase):
+    def test_trash_folder_names_in_any_case(self):
+        for name in (
+            ".Trash",
+            ".trash",
+            ".Trash-1000",
+            ".trash-0",
+            ".Trashes",
+            "$RECYCLE.BIN",
+            "$Recycle.Bin",
+        ):
+            with self.subTest(name=name):
+                self.assertTrue(is_trash_folder(name))
+                self.assertTrue(is_skipped_folder(name))
+
+    def test_other_names_are_not_trash(self):
+        for name in (".Trash-abc", ".Trash-", "trash", "Recycle", "RECYCLE.BIN", "x"):
+            with self.subTest(name=name):
+                self.assertFalse(is_trash_folder(name))
+
+    def test_thumbnails_is_skipped_exactly(self):
+        self.assertTrue(is_skipped_folder("thumbnails"))
+        self.assertFalse(is_skipped_folder("Thumbnails"))
+        self.assertFalse(is_trash_folder("thumbnails"))
+
+    def test_folder_parts(self):
+        self.assertTrue(in_skipped_folder(("a", ".Trash-1000", "files")))
+        self.assertTrue(in_skipped_folder(("thumbnails",)))
+        self.assertFalse(in_skipped_folder(("a", "b")))
+        self.assertFalse(in_skipped_folder(()))
+
+
+if __name__ == "__main__":
+    unittest.main()
diff --git a/utils/image_monitor.py b/utils/image_monitor.py
index d2fc1c19..18c62c1f 100644
--- a/utils/image_monitor.py
+++ b/utils/image_monitor.py
@@ -45,6 +45,7 @@ from .foreign_runs import (
     store_foreign,
 )
 from .hashing import generate_prompt_hash
+from .media_folders import in_skipped_folder
 from .metadata_extractor import ComfyUIMetadataExtractor
 from .parallel import note_refusal, refused_at_shutdown
 from .logging_config import get_logger
@@ -428,11 +429,12 @@ class ImageGenerationHandler(FileSystemEventHandler):
 
         Returns:
             True if the file has a supported image extension and is not
-            inside a thumbnails directory, False otherwise
+            inside a thumbnails or trash folder, False otherwise
         """
-        # Skip files in thumbnails directory - those are derivatives, not
-        # generated images
-        if "/thumbnails/" in filepath or "\\thumbnails\\" in filepath:
+        # Previews are derivatives, and a trash folder inside an output
+        # folder holds thrown-away files (#501): neither is a new output.
+        folders = filepath.replace("\\", "/").split("/")[:-1]
+        if in_skipped_folder(folders):
             return False
         return filepath.lower().endswith(self.supported_extensions)
 
diff --git a/utils/media_folders.py b/utils/media_folders.py
new file mode 100644
index 00000000..6052a001
--- /dev/null
+++ b/utils/media_folders.py
@@ -0,0 +1,31 @@
+"""The folders no media walker lists below an output root (#501).
+
+``thumbnails`` holds PromptManager's own previews. A trash folder that sits
+inside an output root (``D:\\$RECYCLE.BIN`` when ``D:\\`` is a root,
+``.Trash-1000`` at a mount point, ``.Trashes`` on a macOS volume) holds files
+the user threw away: they are not outputs, so they are never listed, scanned,
+linked, tagged or previewed. Every walker asks these predicates instead of
+testing names itself; only folders *below* a root are tested.
+"""
+
+TRASH_FOLDER_NAMES = frozenset({".trash", ".trashes", "$recycle.bin"})
+PREVIEW_FOLDER = "thumbnails"
+
+
+def is_trash_folder(name: str) -> bool:
+    """A trash folder name, in any case: ``.Trash``, ``.Trash-<uid>``,
+    ``.Trashes`` or ``$RECYCLE.BIN``."""
+    folded = name.casefold()
+    if folded in TRASH_FOLDER_NAMES:
+        return True
+    return folded.startswith(".trash-") and folded[7:].isdigit()
+
+
+def is_skipped_folder(name: str) -> bool:
+    """A folder no walker descends: ``thumbnails`` (exact) or a trash folder."""
+    return name == PREVIEW_FOLDER or is_trash_folder(name)
+
+
+def in_skipped_folder(parts) -> bool:
+    """Whether any of the folder names *parts* is skipped."""
+    return any(is_skipped_folder(part) for part in parts)
diff --git a/web/js/workspace/index.mjs b/web/js/workspace/index.mjs
index ad50c0db..951abd1c 100644
--- a/web/js/workspace/index.mjs
+++ b/web/js/workspace/index.mjs
@@ -1,7 +1,8 @@
 import '../api-client.js';
 import { createButton, createScope } from '../shared/toolkit/core.js';
 import { routes, mountRouter, summarizeStats, routeTitle, loadNavCounts, navigateTo, COLLECTION_ROUTE,
-    LIBRARY_WRITE_COUNTS, NAV_COUNT_ROUTES, FAVORITE_WRITE_COUNTS, FAVORITE_COUNT_DELAY_MS, REVIEW_WRITE_COUNTS } from './state.mjs';
+    LIBRARY_WRITE_COUNTS, NAV_COUNT_ROUTES, FAVORITE_WRITE_COUNTS, FAVORITE_COUNT_DELAY_MS, REVIEW_WRITE_COUNTS,
+    JOB_END_COUNTS } from './state.mjs';
 import { mountWorkspaceTheme } from './theme.mjs';
 import { forgetImagesVisit, mountImages, onFavoriteChange } from './images.mjs';
 import { forgetLibraryVisit, mountLibrary, mountNewPromptAction, onLibraryWrite } from './library.mjs';
@@ -170,16 +171,20 @@ function mountWorkspace() {
         favoriteCountTimer = setTimeout(() => refreshCounts(FAVORITE_WRITE_COUNTS), FAVORITE_COUNT_DELAY_MS);
     }));
     scope.cleanup(() => clearTimeout(favoriteCountTimer));
-    // A metadata scan that ends may have added items to Needs review: re-read its count once per ended scan.
-    const runningScans = new Set();
+    // A job that ends re-reads the counts it can change, once per ended job: a metadata scan may have added items to
+    // Needs review; deleting images (#480) hides or trashes them, with their favorites, review items and collection
+    // memberships (#501).
+    const runningJobs = new Map();
     scope.cleanup(activity.subscribe(() => {
-        let ended = false;
+        const ended = new Set();
         for (const job of activity.jobs()) {
-            if (job.kind !== 'scan') continue;
-            if (job.state === 'running') runningScans.add(job.id);
-            else if (runningScans.delete(job.id)) ended = true;
+            if (!JOB_END_COUNTS[job.kind]) continue;
+            if (job.state === 'running') runningJobs.set(job.id, job.kind);
+            else if (runningJobs.delete(job.id)) ended.add(job.kind);
         }
-        if (ended) refreshCounts(REVIEW_WRITE_COUNTS);
+        if (!ended.size) return;
+        refreshCounts([...new Set([...ended].flatMap(kind => JOB_END_COUNTS[kind]))]);
+        if (ended.has('image_delete')) collections.load();
     }));
     refreshCounts(NAV_COUNT_ROUTES);
     // S9: a finished restore replaced the library. The cached visits are dropped, the counts and saved views read
diff --git a/web/js/workspace/state.mjs b/web/js/workspace/state.mjs
index 9af7739c..a2b056c9 100644
--- a/web/js/workspace/state.mjs
+++ b/web/js/workspace/state.mjs
@@ -129,6 +129,11 @@ export const LIBRARY_WRITE_COUNTS = Object.freeze(['library', 'tags']);
 export const FAVORITE_WRITE_COUNTS = Object.freeze(['favorites']);
 /** The count a review decision or a finished metadata scan can change. */
 export const REVIEW_WRITE_COUNTS = Object.freeze(['review']);
+/** Job kind -> the counts re-read once when such a job ends (a scan feeds Needs review; #501: a delete hides images). */
+export const JOB_END_COUNTS = Object.freeze({
+    scan: REVIEW_WRITE_COUNTS,
+    image_delete: Object.freeze(['images', 'favorites', 'review']),
+});
 // Trailing delay that coalesces quick star toggles into one Favorites count read (#249 M1).
 export const FAVORITE_COUNT_DELAY_MS = 300;