test: exercise real page workflows and enforce frontend coverage

* fix: keep edited prompt hashes consistent

Fixes #176

* fix: align gallery auto-tag review with scoped image APIs

Fixes #177

* fix: keep Tags prompt results on the current filter

Fixes #178

* fix: ignore stale metadata in admin image viewers

Fixes #179

* test: compare canonical gallery paths on macOS

.github/branch-protection.json

@@ -0,0 +1,25 @@
+{
+  "required_status_checks": {
+    "strict": true,
+    "contexts": [
+      "py3.10 on ubuntu-latest",
+      "py3.11 on ubuntu-latest",
+      "py3.12 on ubuntu-latest",
+      "py3.10 on windows-latest",
+      "py3.11 on windows-latest",
+      "py3.12 on windows-latest",
+      "py3.10 on macos-latest",
+      "py3.11 on macos-latest",
+      "py3.12 on macos-latest",
+      "coverage gate (85%)",
+      "black and flake8",
+      "frontend modules",
+      "viewerjs"
+    ]
+  },
+  "enforce_admins": true,
+  "required_pull_request_reviews": null,
+  "restrictions": null,
+  "allow_force_pushes": false,
+  "allow_deletions": false
+}

.github/dependabot.yml

@@ -46,3 +46,15 @@ updates:
         update-types:
           - "minor"
           - "patch"
+
+  # Maintainer browser test dependencies; Viewer.js itself has an asset-aware updater.
+  - package-ecosystem: "npm"
+    directory: "/tools/vendor"
+    schedule:
+      interval: "weekly"
+    allow:
+      - dependency-name: "@playwright/test"
+    labels:
+      - "dependencies"
+    commit-message:
+      prefix: "deps(vendor-tools)"

.github/workflows/viewerjs-check.yml

@@ -0,0 +1,47 @@
+name: Viewer.js vendor and compatibility
+
+on:
+  pull_request:
+    branches: [main]
+  push:
+    branches: [main]
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  viewerjs:
+    runs-on: ubuntu-latest
+    timeout-minutes: 15
+    steps:
+      - uses: actions/checkout@v7
+      - uses: actions/setup-python@v7
+        with:
+          python-version: '3.12'
+          cache: pip
+          cache-dependency-path: requirements-dev.txt
+      - run: python -m pip install -r requirements-dev.txt
+      - uses: actions/setup-node@v7
+        with:
+          node-version: '24'
+          cache: npm
+          cache-dependency-path: tools/vendor/package-lock.json
+      - run: npm ci --prefix tools/vendor --ignore-scripts
+      - run: npm run --prefix tools/vendor check
+      - run: npm run --prefix tools/vendor test
+      - run: npx --prefix tools/vendor playwright install --with-deps chromium firefox webkit
+      - name: Frontend unit, viewer, workflow, and coverage checks
+        run: npm run --prefix tools/vendor test:coverage
+      - name: Firefox and WebKit page workflows
+        run: npm run --prefix tools/vendor test:workflows -- --project firefox --project webkit
+      - name: Upload browser traces and frontend coverage
+        if: always()
+        uses: actions/upload-artifact@v7
+        with:
+          name: frontend-test-reports
+          path: |
+            tools/vendor/test-results/
+            coverage/js/
+            !coverage/js/raw/**
+          retention-days: 14

.github/workflows/viewerjs-update.yml

@@ -0,0 +1,83 @@
+name: Update vendored Viewer.js
+
+on:
+  schedule:
+    - cron: '30 7 * * *'
+  workflow_dispatch:
+    inputs:
+      version:
+        description: 'Stable version to vendor; leave blank for the latest npm release'
+        required: false
+        type: string
+
+permissions:
+  contents: read
+
+concurrency:
+  group: viewerjs-update
+  cancel-in-progress: false
+
+jobs:
+  update:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      pull-requests: write
+      actions: write
+    env:
+      GH_TOKEN: ${{ github.token }}
+    steps:
+      - uses: actions/checkout@v7
+        with:
+          ref: ${{ github.event.repository.default_branch }}
+      - uses: actions/setup-node@v7
+        with:
+          node-version: '24'
+          cache: npm
+          cache-dependency-path: tools/vendor/package-lock.json
+      - run: npm ci --prefix tools/vendor --ignore-scripts
+      - name: Update the dependency and regenerate assets
+        env:
+          VIEWER_VERSION: ${{ inputs.version }}
+        run: |
+          if [ -n "$VIEWER_VERSION" ]; then
+            npm run --prefix tools/vendor update -- --version "$VIEWER_VERSION"
+          else
+            npm run --prefix tools/vendor update
+          fi
+      - name: Detect changes
+        id: changes
+        run: |
+          if git diff --quiet -- tools/vendor/package.json tools/vendor/package-lock.json web/lib/viewerjs; then
+            echo 'changed=false' >> "$GITHUB_OUTPUT"
+          else
+            echo 'changed=true' >> "$GITHUB_OUTPUT"
+          fi
+      - if: steps.changes.outputs.changed == 'true'
+        run: |
+          npm run --prefix tools/vendor check
+          npm run --prefix tools/vendor test
+          node --test tests/js/*.test.js
+          npx --prefix tools/vendor playwright install --with-deps chromium
+          npm run --prefix tools/vendor test:browser
+      - name: Open the update PR
+        if: steps.changes.outputs.changed == 'true'
+        env:
+          BASE_BRANCH: ${{ github.event.repository.default_branch }}
+        run: |
+          version=$(node -p "require('./web/lib/viewerjs/provenance.json').version")
+          branch="deps/viewerjs-$version"
+          existing=$(gh pr list --repo "$GITHUB_REPOSITORY" --state all --head "$branch" --json number --jq 'length')
+          if [ "$existing" != '0' ]; then
+            echo "A PR already exists for Viewer.js $version; leaving it for review."
+            exit 0
+          fi
+          remote=$(git ls-remote origin "refs/heads/$branch")
+          if [ -z "$remote" ]; then
+            git switch -c "$branch"
+            git add tools/vendor/package.json tools/vendor/package-lock.json web/lib/viewerjs
+            git -c user.name='github-actions[bot]' -c user.email='41898282+github-actions[bot]@users.noreply.github.com' commit -m "deps: update vendored Viewer.js to $version"
+            git push origin "HEAD:refs/heads/$branch"
+          fi
+          gh pr create --repo "$GITHUB_REPOSITORY" --base "$BASE_BRANCH" --head "$branch" --title "deps: update vendored Viewer.js to $version" --body-file tools/vendor/update-pr.md
+          gh workflow run viewerjs-check.yml --repo "$GITHUB_REPOSITORY" --ref "$branch"

.gitignore

@@ -200,3 +200,11 @@ cython_debug/
 
 # PyPI configuration file
 .pypirc
+
+# Maintainer-only JavaScript tooling and browser test artifacts
+node_modules/
+test-results/
+playwright-report/
+
+# Combined frontend coverage reports
+coverage/

README.md

@@ -139,6 +139,9 @@ The comprehensive gallery system provides complete management of all ComfyUI out
 
 _Powered by [ViewerJS](https://github.com/fengyuanchen/viewerjs) for professional image viewing capabilities._
 
+Viewer.js is vendored locally. See [Viewer.js maintenance](tools/vendor/README.md)
+for reproducible updates, verification, and automated update PRs.
+
 ### 🔬 ComfyUI Workflow Analysis
 
 - **PNG Metadata Parsing**: Advanced PNG chunk analysis to extract embedded ComfyUI data

TESTING.md

@@ -0,0 +1,83 @@
+# Testing and merge confidence
+
+Routine changes should merge after the required checks pass and the diff is
+reviewed. Add a regression test for each bug; prove it fails before the fix.
+
+## What runs
+
+| Layer | Real components | Replaced boundaries |
+| --- | --- | --- |
+| Python tests | Domain logic, SQLite, API handlers, filesystem checks | ComfyUI host and ML runtimes where needed |
+| JavaScript tests | Frontend modules and controller methods | DOM/network fixtures for focused edge cases |
+| Viewer checks | Production Viewer.js and frontend methods in Chromium desktop/touch | Controlled images and page fixtures |
+| Page workflows | Production HTML, startup, click handlers, HTTP routes, SQLite, PNG files, thumbnails | ComfyUI host services and the tagging model |
+
+Page workflows cover save/edit/reload, duplicate-edit rejection, gallery image
+identity, Tags selection and viewer cleanup, delayed responses, auto-tag review
+and persistence, and infinite scrolling without replacing existing cards.
+They run in Chromium, Firefox, WebKit, and Chromium touch emulation. No GPU,
+model downloads, running ComfyUI instance, or personal configuration is required.
+The server binds to localhost and creates disposable directories and a database;
+its reset endpoint exists only in the test harness.
+
+## Run locally
+
+Use a Python environment containing `requirements-dev.txt` and Node.js 24:
+
+```sh
+python -m unittest discover -s tests -q
+npm ci --prefix tools/vendor --ignore-scripts
+npx --prefix tools/vendor playwright install --with-deps chromium firefox webkit
+npm run --prefix tools/vendor test
+npm run --prefix tools/vendor test:coverage
+npm run --prefix tools/vendor test:workflows -- --project firefox --project webkit
+```
+
+`PM_TEST_PYTHON` selects the Python executable; `PM_TEST_PORT` selects the local
+port (default 8765). Set these environment variables when Python is outside PATH
+or the port is occupied. Test servers are never reused. On unsupported Linux
+distributions, browser system dependencies may need manual installation; CI uses
+Ubuntu. For a quick browser run, use `test:workflows -- --project chromium`.
+
+## Coverage and failures
+
+Python CI enforces 85% combined statement/branch coverage. Frontend coverage merges
+Node V8 unit coverage with Chromium page-workflow coverage through c8. Every
+`web/js/*.js` file appears, including untouched files at zero coverage. The
+controller tests provide V8 filenames so their executed code is counted too.
+
+`tools/vendor/frontend-coverage-baseline.json` holds a floor for every file and
+metric. CI rejects regressions, missing measurements, and new files without a
+reviewed baseline. These floors reflect current coverage, with two percentage
+points of allowance for runtime/timing differences; they do not claim 80% coverage
+of the large controllers. New files need at least 80% line coverage when added via
+the baseline updater. Raise floors with `npm run --prefix tools/vendor
+coverage:update`; it reruns the suites and cannot lower an existing floor.
+Review baseline changes like code changes.
+
+The `viewerjs` check runs on every PR, including backend-only changes. GitHub
+artifacts named `frontend-test-reports` contain HTML coverage, a JSON summary,
+and failure screenshots/traces. Open traces with Playwright's `show-trace` tool.
+
+Live checks remain useful for ComfyUI host compatibility, real inference/GPU or
+model dependency changes, and visual design changes. The automated fixtures do
+not certify those environments or every existing product feature.
+
+## Required merge checks
+
+`.github/branch-protection.json` records the required checks: all nine Python/OS
+combinations, Python coverage, formatting, frontend modules, and `viewerjs`.
+The branch must be current with main, and administrators follow the same checks.
+It does not require an additional human approval.
+
+A repository administrator applies the configuration after the new workflow is
+passing, then verifies it:
+
+```sh
+gh api --method PUT repos/ComfyAssets/ComfyUI_PromptManager/branches/main/protection \
+  --input .github/branch-protection.json
+gh api repos/ComfyAssets/ComfyUI_PromptManager/branches/main/protection/required_status_checks
+```
+
+Update the manifest whenever required job names change. Keep the frontend check
+free of path filters so a required check is never silently skipped.

database/operations.py

@@ -13,12 +13,14 @@ from .models import PromptModel, normalize_image_path, utc_now_iso
 # Import logging system
 try:
     from ..utils.logging_config import get_logger
+    from ..utils.hashing import generate_prompt_hash
 except ImportError:
     import sys
 
     current_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
     sys.path.insert(0, current_dir)
     from utils.logging_config import get_logger
+    from utils.hashing import generate_prompt_hash
 
 
 # Subquery to fetch tags from junction table, embedded in SELECT statements
@@ -1854,16 +1856,20 @@ class PromptDatabase:
             }
 
     def update_prompt_text(self, prompt_id: int, new_text: str) -> bool:
-        """Update only the text of a prompt.
+        """Update prompt text and its deduplication hash atomically.
 
         Returns:
             True if a row was updated.
+
+        Raises:
+            sqlite3.IntegrityError: Another prompt already has the new hash.
         """
         with self.model.get_connection() as conn:
             cursor = conn.execute(
-                "UPDATE prompts SET text = ?, updated_at = ? WHERE id = ?",
+                "UPDATE prompts SET text = ?, hash = ?, updated_at = ? WHERE id = ?",
                 (
                     new_text,
+                    generate_prompt_hash(new_text),
                     datetime.datetime.now(datetime.timezone.utc).isoformat(),
                     prompt_id,
                 ),
@@ -1967,23 +1973,27 @@ class PromptDatabase:
             conn.commit()
         return count
 
-    def get_image_prompt_info(self, image_path: str) -> Optional[Dict[str, Any]]:
+    def get_image_prompt_info(
+        self, image_path: str, allow_filename_fallback: bool = True
+    ) -> Optional[Dict[str, Any]]:
         """Look up prompt + image metadata for a given image path.
 
         Returns a dict with prompt_id, text, category, tags, rating, notes,
-        workflow_data, prompt_metadata, generation_time — or None.
+        workflow_data, prompt_metadata, generation_time, parameters — or None.
         """
         with self.model.get_connection() as conn:
             cursor = conn.execute(
                 """SELECT gi.prompt_id, p.text, p.category, p.rating, p.notes,
-                          gi.workflow_data, gi.prompt_metadata, gi.generation_time
+                          gi.workflow_data, gi.prompt_metadata, gi.generation_time,
+                          gi.parameters
                    FROM generated_images gi
                    JOIN prompts p ON gi.prompt_id = p.id
                    WHERE gi.image_path = ? OR gi.file_path = ?
-                      OR gi.image_path LIKE ? ESCAPE '\\'""",
+                      OR (? AND gi.image_path LIKE ? ESCAPE '\\')""",
                 (
                     image_path,
                     normalize_image_path(image_path),
+                    allow_filename_fallback,
                     f"%{escape_like(os.path.basename(image_path))}",
                 ),
             )
@@ -2009,6 +2019,7 @@ class PromptDatabase:
                 "workflow_data": workflow,
                 "prompt_metadata": prompt_meta,
                 "generation_time": row[7],
+                "parameters": row[8] if len(row) > 8 else None,
             }
 
     def get_prompt_id_for_image(self, image_path: str) -> Optional[int]:

py/api/__init__.py

@@ -703,18 +703,43 @@ class PromptManagerAPI(
             "negative_prompt": None,
         }
 
-        # Check for A1111 style parameters first (like parse-metadata.py)
+        # Check for A1111/Forge style parameters first.
+        # The chunk is one block: a possibly multi-line positive prompt, then a
+        # "Negative prompt:" section, then a trailing "Steps: ..." settings line.
+        # Taking lines[0] as the positive prompt truncates any multi-line prompt
+        # to one line, so split on the settings line instead.
         if "parameters" in metadata:
+            import re as _re
+
             params = metadata["parameters"]
-            lines = params.splitlines()
-            if lines:
-                result["positive_prompt"] = lines[0].strip()
-            for line in lines:
-                if line.lower().startswith("negative prompt:"):
-                    result["negative_prompt"] = line.split(":", 1)[1].strip()
-                    break
+            body = params
+            settings = ""
+            _sm = _re.search(r"\nSteps:\s", body)
+            if _sm:
+                settings = body[_sm.start() + 1 :].strip()
+                body = body[: _sm.start()]
+            negative = None
+            _nm = _re.search(r"(?im)^\s*negative prompt:\s*", body)
+            if _nm:
+                negative = body[_nm.end() :].strip()
+                body = body[: _nm.start()]
+            elif body.lower().lstrip().startswith("negative prompt:"):
+                negative = body.lower().lstrip()[len("negative prompt:") :].strip()
+                body = ""
+            result["positive_prompt"] = body.strip() or None
+            if negative:
+                result["negative_prompt"] = negative
             # Store raw parameters too
             result["parameters"]["parameters"] = params
+            if settings:
+                for _f in ("Steps", "Sampler", "Schedule type", "CFG scale", "Seed"):
+                    _fm = _re.search(
+                        r"(?i)(?:^|,\s*)" + _re.escape(_f) + r":\s*([^,]+)", settings
+                    )
+                    if _fm:
+                        result["parameters"][_f.lower().replace(" ", "_")] = _fm.group(
+                            1
+                        ).strip()
 
         # If no A1111 format found, proceed with ComfyUI parsing
         if result["positive_prompt"] is None:

py/api/autotag_routes.py

@@ -484,6 +484,22 @@ class AutotagRoutesMixin:
         if not raw_path or not isinstance(raw_path, str):
             return None, None, self._bad_request("image_id or path is required")
 
+        if "root_index" in data:
+            root_index = data["root_index"]
+            if isinstance(root_index, bool) or not isinstance(root_index, int):
+                return None, None, self._bad_request("root_index must be an integer")
+            roots = self._get_all_output_dirs()
+            if not 0 <= root_index < len(roots):
+                return None, None, self._forbidden(raw_path)
+            root = roots[root_index]
+            if Path(raw_path).is_absolute() or ".." in raw_path.replace(
+                "\\", "/"
+            ).split("/"):
+                return None, None, self._forbidden(raw_path)
+            raw_path = str(Path(root) / raw_path)
+            if not path_is_within(raw_path, root):
+                return None, None, self._forbidden(raw_path)
+
         resolved = self._resolve_allowed_image_path(raw_path)
         if resolved is None:
             return None, None, self._forbidden(raw_path)

py/api/images.py

@@ -214,9 +214,9 @@ def _thumbnail_complete_payload(total, stats, start, remaining=0, processed=None
 
 
 def _thumbnail_is_fresh(src, dst):
-    """True when ``dst`` exists and is newer than ``src`` (blocking stat)."""
+    """True when ``dst`` exists and is at least as new as ``src`` (blocking stat)."""
     try:
-        return dst.stat().st_mtime > src.stat().st_mtime
+        return dst.stat().st_mtime >= src.stat().st_mtime
     except OSError:
         return False
 
@@ -316,6 +316,9 @@ def _output_image_entry(media_path, output_path, root_index, public_root=None):
         f"{'.jpg' if is_video else extension}"
     )
     thumbnail_url = thumbnail_url_for(thumb_rel, output_path / thumb_rel)
+    if thumbnail_url is not None:
+        thumbnail_url += f"&root={root_index}"
+    encoded_path = urllib.parse.quote(rel_path.as_posix(), safe="/")
 
     return {
         "id": hashlib.sha1(str(media_path).encode("utf-8")).hexdigest()[:16],
@@ -324,7 +327,7 @@ def _output_image_entry(media_path, output_path, root_index, public_root=None):
         "relative_path": str(rel_path),
         "root_dir": public_root,
         "root_index": root_index,
-        "url": f"/prompt_manager/images/serve/{rel_path.as_posix()}",
+        "url": f"/prompt_manager/images/serve/{encoded_path}?root={root_index}",
         "thumbnail_url": thumbnail_url,
         "size": stat.st_size,
         "modified_time": stat.st_mtime,
@@ -382,6 +385,10 @@ class ImageRoutesMixin:
         async def delete_image_route(request):
             return await self.delete_image(request)
 
+        @routes.get("/prompt_manager/images/thumbnails/status")
+        async def thumbnail_status_route(request):
+            return await self.get_thumbnail_status(request)
+
         @routes.post("/prompt_manager/images/generate-thumbnails")
         async def generate_thumbnails_route(request):
             return await self.generate_thumbnails(request)
@@ -699,10 +706,10 @@ class ImageRoutesMixin:
         try:
             idx = int(root_param)
         except ValueError:
-            return output_dirs
+            return []
         if 0 <= idx < len(output_dirs):
             return [output_dirs[idx]]
-        return output_dirs
+        return []
 
     async def serve_output_image(self, request):
         """Serve a media file from the ComfyUI output folder(s)."""
@@ -815,19 +822,15 @@ class ImageRoutesMixin:
                 return error
             thumbnail_size = self._thumbnail_size(data.get("quality", "medium"))
 
-            output_dir = self._find_comfyui_output_dir()
-            if not output_dir:
+            output_dirs = self._get_all_output_dirs()
+            if not output_dirs:
                 return web.json_response(
                     {"success": False, "error": "ComfyUI output directory not found"},
                     status=404,
                 )
 
-            output_path = Path(output_dir)
             result = await self._run_in_executor(
-                self._generate_thumbnails_sync,
-                output_path,
-                output_path / "thumbnails",
-                thumbnail_size,
+                self._generate_gallery_thumbnails_sync, output_dirs, thumbnail_size
             )
             self.invalidate_gallery_cache()
             return web.json_response(result)
@@ -842,6 +845,22 @@ class ImageRoutesMixin:
         """Blocking thumbnail generation loop (run in executor)."""
         start = _time.monotonic()
         plan = self._plan_thumbnails(output_path, thumbnails_dir)
+        payload = self._execute_thumbnail_plan(plan, thumbnail_size, start)
+        payload["thumbnails_path"] = _public_path(thumbnails_dir)
+        return payload
+
+    def _generate_gallery_thumbnails_sync(
+        self, output_dirs: list[Path], thumbnail_size: tuple[int, int]
+    ) -> dict:
+        start = _time.monotonic()
+        plan = self._plan_gallery_thumbnails(output_dirs)
+        payload = self._execute_thumbnail_plan(plan, thumbnail_size, start)
+        payload["thumbnails_path"] = _public_path(output_dirs[0] / "thumbnails")
+        return payload
+
+    def _execute_thumbnail_plan(
+        self, plan: dict, thumbnail_size: tuple[int, int], start: float
+    ) -> dict:
         targets = plan["targets"]
         stats = _new_thumbnail_stats()
         stats["skipped"] = plan["skipped"]
@@ -855,10 +874,50 @@ class ImageRoutesMixin:
             processed=len(targets),
         )
         payload["success"] = True
-        payload["thumbnails_path"] = _public_path(thumbnails_dir)
         self.logger.info(payload["message"])
         return payload
 
+    def _plan_gallery_thumbnails(self, output_dirs: list[Path]) -> dict:
+        """Plan every gallery root with one shared per-run generation cap."""
+        combined = {"targets": [], "skipped": 0, "remaining": 0}
+        for root in output_dirs:
+            root = Path(root)
+            plan = self._plan_thumbnails(root, root / "thumbnails")
+            available = max(0, MAX_THUMBNAIL_FILES - len(combined["targets"]))
+            combined["targets"].extend(plan["targets"][:available])
+            combined["skipped"] += plan["skipped"]
+            combined["remaining"] += plan["remaining"] + max(
+                0, len(plan["targets"]) - available
+            )
+        return combined
+
+    async def get_thumbnail_status(self, request: web.Request) -> web.Response:
+        """Count pending thumbnails off-loop without generating files."""
+        try:
+            output_dirs = self._get_all_output_dirs()
+            plan = await self._run_in_executor(
+                self._plan_gallery_thumbnails, output_dirs
+            )
+            pending = len(plan["targets"]) + plan["remaining"]
+            collection = json.dumps(sorted(str(_canonical(p)) for p in output_dirs))
+            return web.json_response(
+                {
+                    "success": True,
+                    "total_images": pending + plan["skipped"],
+                    "pending": pending,
+                    "ready": plan["skipped"],
+                    "collection_id": hashlib.sha256(collection.encode()).hexdigest()[
+                        :16
+                    ],
+                },
+                headers={"Cache-Control": "no-store"},
+            )
+        except Exception as exc:
+            self.logger.exception("Thumbnail status failed")
+            return web.json_response(
+                {"success": False, "error": _safe_error(exc)}, status=500
+            )
+
     def _plan_thumbnails(self, output_path, thumbnails_dir):
         """Decide which media files need a thumbnail (blocking walk).
 
@@ -923,7 +982,7 @@ class ImageRoutesMixin:
         try:
             if not src.is_file():
                 return {**result, "action": "error", "error": "File no longer exists"}
-            if dst.exists() and dst.stat().st_mtime > src.stat().st_mtime:
+            if _thumbnail_is_fresh(src, dst):
                 return {**result, "action": "skipped"}
             dst.parent.mkdir(parents=True, exist_ok=True)
             if is_video:
@@ -957,21 +1016,20 @@ class ImageRoutesMixin:
         )
         await response.prepare(request)
         try:
-            output_dir = self._find_comfyui_output_dir()
-            if not output_dir:
+            output_dirs = self._get_all_output_dirs()
+            if not output_dirs:
                 await self._emit_sse(
                     response, "error", {"error": "ComfyUI output directory not found"}
                 )
                 return response
 
-            output_path = Path(output_dir)
             await self._emit_sse(
                 response,
                 "status",
                 {"phase": "scanning", "message": "Scanning for images and videos..."},
             )
             plan = await self._run_in_executor(
-                self._plan_thumbnails, output_path, output_path / "thumbnails"
+                self._plan_gallery_thumbnails, output_dirs
             )
             await self._stream_thumbnails(
                 response,
@@ -1196,119 +1254,109 @@ class ImageRoutesMixin:
             )
             return False
 
-    async def clear_thumbnails(self, request):
-        """Safely clear only our generated thumbnails, never touch original images."""
-        try:
+    async def clear_thumbnails(self, request: web.Request) -> web.Response:
+        """Clear generated thumbnails across gallery roots, preserving originals.
 
-            # Find ComfyUI output directory
-            output_dir = self._find_comfyui_output_dir()
-            if not output_dir:
+        Invalid thumbnail directories return 400; unavailable gallery roots
+        return 404, and unexpected filesystem failures return 500.
+        """
+        try:
+            output_dirs = self._get_all_output_dirs()
+            if not output_dirs:
                 return web.json_response(
                     {"success": False, "error": "ComfyUI output directory not found"},
                     status=404,
                 )
-
-            output_path = Path(output_dir)
-            thumbnails_dir = output_path / "thumbnails"
-
-            if not thumbnails_dir.exists():
-                return web.json_response(
-                    {
-                        "success": True,
-                        "message": "No thumbnails directory found - nothing to clear",
-                        "cleared_files": 0,
-                    }
-                )
-
-            # Verify this is actually our thumbnails directory: a real child
-            # of the output root (symlinks resolved), not merely a path that
-            # shares its prefix such as "<root>2/thumbnails".
-            try:
-                if (
-                    not _is_within(thumbnails_dir, output_path)
-                    or thumbnails_dir.name != "thumbnails"
-                ):
-                    self.logger.error(
-                        "Safety check failed: thumbnails directory path invalid: "
-                        f"{thumbnails_dir}"
-                    )
-                    return web.json_response(
-                        {
-                            "success": False,
-                            "error": "Safety check failed: invalid thumbnails "
-                            "directory path",
-                        },
-                        status=400,
-                    )
-
-            except Exception as e:
-                self.logger.error(f"Path validation failed: {e}")
-                return web.json_response(
-                    {"success": False, "error": "Path validation failed"}, status=500
-                )
-
-            # Count files before deletion
-            cleared_count = 0
-            cleared_size = 0
-
-            for root, dirs, files in os.walk(thumbnails_dir):
-                for file in files:
-                    file_path = Path(root) / file
-
-                    if "_thumb" in file.lower() and any(
-                        file.lower().endswith(ext)
-                        for ext in [".png", ".jpg", ".jpeg", ".webp", ".gif"]
-                    ):
-                        try:
-                            file_size = file_path.stat().st_size
-                            file_path.unlink()
-                            cleared_count += 1
-                            cleared_size += file_size
-                            self.logger.debug(f"Cleared thumbnail: {file_path}")
-                        except Exception as e:
-                            self.logger.warning(
-                                f"Failed to delete thumbnail {file_path}: {e}"
-                            )
-
-            # Remove empty directories within thumbnails folder
-            try:
-                for root, dirs, files in os.walk(thumbnails_dir, topdown=False):
-                    if root != str(thumbnails_dir):
-                        try:
-                            Path(root).rmdir()
-                        except OSError:
-                            pass
-            except Exception as e:
-                self.logger.debug(f"Directory cleanup info: {e}")
-
-            def format_size(bytes_size):
-                for unit in ["B", "KB", "MB", "GB"]:
-                    if bytes_size < 1024.0:
-                        return f"{bytes_size:.1f} {unit}"
-                    bytes_size /= 1024.0
-                return f"{bytes_size:.1f} TB"
-
-            self.logger.info(
-                f"Thumbnail cleanup: cleared {cleared_count} files "
-                f"({format_size(cleared_size)})"
+            cleared_count, cleared_size = await self._run_in_executor(
+                self._clear_gallery_thumbnails_sync, output_dirs
             )
+            self.invalidate_gallery_cache()
 
+            def format_size(bytes_size: int) -> str:
+                size = float(bytes_size)
+                for unit in ["B", "KB", "MB", "GB"]:
+                    if size < 1024.0:
+                        return f"{size:.1f} {unit}"
+                    size /= 1024.0
+                return f"{size:.1f} TB"
+
+            size_formatted = format_size(cleared_size)
+            self.logger.info(
+                f"Thumbnail cleanup: cleared {cleared_count} files ({size_formatted})"
+            )
             return web.json_response(
                 {
                     "success": True,
                     "cleared_files": cleared_count,
                     "cleared_size": cleared_size,
-                    "cleared_size_formatted": format_size(cleared_size),
+                    "cleared_size_formatted": size_formatted,
                     "message": f"Cleared {cleared_count} thumbnail files "
-                    "({format_size(cleared_size)})",
+                    f"({size_formatted})",
                 }
             )
-
-        except Exception as e:
-            self.logger.error(f"Clear thumbnails error: {e}")
+        except ValueError as exc:
+            self.logger.error(f"Thumbnail path validation failed: {exc}")
             return web.json_response(
-                {"success": False, "error": _safe_error(e)}, status=500
+                {"success": False, "error": _safe_error(exc)}, status=400
             )
+        except Exception as exc:
+            self.logger.error(f"Clear thumbnails error: {exc}")
+            return web.json_response(
+                {"success": False, "error": _safe_error(exc)}, status=500
+            )
+
+    def _clear_gallery_thumbnails_sync(
+        self, output_dirs: list[Path]
+    ) -> tuple[int, int]:
+        """Validate all thumbnail directories before deleting generated files.
+
+        Raises ValueError for symlinked or out-of-root thumbnail directories.
+        Filesystem errors during path validation propagate to the route.
+        """
+        directories = []
+        for output_path in output_dirs:
+            output_path = Path(output_path)
+            thumbnails_dir = output_path / "thumbnails"
+            if not thumbnails_dir.exists() and not thumbnails_dir.is_symlink():
+                continue
+            if (
+                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"
+                )
+            directories.append(thumbnails_dir)
+
+        cleared_count = 0
+        cleared_size = 0
+        for thumbnails_dir in directories:
+            for root, _dirs, files in os.walk(thumbnails_dir):
+                for name in files:
+                    path = Path(root) / name
+                    if (
+                        "_thumb" not in name.lower()
+                        or path.suffix.lower() not in GALLERY_IMAGE_EXTENSIONS
+                        or path.is_symlink()
+                    ):
+                        continue
+                    try:
+                        size = path.stat().st_size
+                        path.unlink()
+                        cleared_count += 1
+                        cleared_size += size
+                    except OSError as exc:
+                        self.logger.warning(f"Failed to delete thumbnail {path}: {exc}")
+            for root, _dirs, _files in os.walk(thumbnails_dir, topdown=False):
+                if Path(root) != thumbnails_dir:
+                    try:
+                        Path(root).rmdir()
+                    except OSError as exc:
+                        self.logger.debug(
+                            "Keeping thumbnail directory %s: %s", root, exc
+                        )
+        return cleared_count, cleared_size
 
     @staticmethod
     def _resolve_client_media_path(raw_path, allowed_dirs):
@@ -1389,7 +1437,7 @@ class ImageRoutesMixin:
         try:
             # Get the image path from URL
             raw_image_path = request.match_info.get("image_path", "")
-            image_path = urllib.parse.unquote(raw_image_path)
+            image_path = raw_image_path
 
             if not image_path:
                 return web.json_response(
@@ -1397,15 +1445,26 @@ class ImageRoutesMixin:
                 )
 
             # Convert relative path to absolute if needed
-            if not os.path.isabs(image_path):
+            if "root" in request.query:
+                roots = self._select_root(
+                    self._get_all_output_dirs(), request.query["root"]
+                )
+                if not roots:
+                    return _forbidden()
+                if not os.path.isabs(image_path):
+                    image_path = str(Path(roots[0]) / image_path)
+                if not _is_within(image_path, roots[0]):
+                    return _forbidden()
+            elif not os.path.isabs(image_path):
                 output_dir = self._find_comfyui_output_dir()
                 if output_dir:
                     image_path = str(Path(output_dir) / image_path)
 
             # Look up the image in generated_images table
             try:
+                args = (image_path, False) if "root" in request.query else (image_path,)
                 prompt_data = await self._run_in_executor(
-                    self.db.get_image_prompt_info, image_path
+                    self.db.get_image_prompt_info, *args
                 )
                 if prompt_data:
                     prompt_data["image_path"] = _public_path(image_path)

py/api/prompts.py

@@ -3,6 +3,7 @@
 import datetime
 import json
 import os
+import sqlite3
 
 from aiohttp import web
 from urllib.parse import quote
@@ -839,6 +840,11 @@ class PromptRoutesMixin:
                     {"success": False, "error": "Prompt not found"}, status=404
                 )
 
+        except sqlite3.IntegrityError:
+            return web.json_response(
+                {"success": False, "error": "Another prompt already has this text"},
+                status=409,
+            )
         except ValueError:
             return web.json_response(
                 {"success": False, "error": "Invalid prompt ID"}, status=400

requirements-dev.txt

@@ -1,14 +1,14 @@
 # Runtime dependencies
 watchdog>=6.0.0
 Pillow>=12.3.0
-aiohttp>=3.14.4
+aiohttp>=3.14.5
 
 # Tests and coverage
 coverage>=7.16.2
 numpy>=2.2.6  # WD14 engine tests
 
 # Code quality
-black>=26.10.0
+black>=26.10.1
 flake8>=7.4.1
 
 # Security scanning

tests/browser/__init__.py

@@ -0,0 +1 @@
+"""Browser workflow fixtures; never imported by production code."""

tests/browser/server.py

@@ -0,0 +1,154 @@
+"""Serve production pages and API routes with disposable state for browser tests."""
+
+import argparse
+import json
+import os
+import shutil
+from pathlib import Path
+import sys
+import tempfile
+import time
+import types
+
+from aiohttp import web
+from PIL import Image
+from PIL.PngImagePlugin import PngInfo
+
+
+class TestModel:
+    default_prompt = "Describe the image"
+    wd14_general_threshold = 0.35
+    wd14_character_threshold = 0.85
+    custom_prompt = ""
+    loaded = None
+
+    def get_models_status(self) -> dict:
+        return {
+            name: {"downloaded": True, "loaded": self.loaded == name}
+            for name in ("gguf", "wd14-vit", "wd14-convnext", "wd14-swinv2")
+        }
+
+    def is_model_loaded(self) -> bool:
+        return self.loaded is not None
+
+    def get_loaded_model_type(self) -> str | None:
+        return self.loaded
+
+    def load_model(self, model_type: str, use_gpu: bool = True) -> bool:
+        self.loaded = model_type
+        return True
+
+    def unload_model(self) -> None:
+        self.loaded = None
+
+    def generate_tags(self, image_path: str, **kwargs: object) -> list[str]:
+        return ["generated", Path(image_path).parent.parent.name]
+
+
+def create_app(root: Path) -> web.Application:
+    os.environ["PROMPT_MANAGER_CONFIG_PATH"] = str(root / "config.json")
+    os.chdir(root)
+    app = web.Application()
+    routes = web.RouteTableDef()
+    server = types.ModuleType("server")
+    server.PromptServer = types.SimpleNamespace(
+        instance=types.SimpleNamespace(app=app, routes=routes)
+    )
+    sys.modules["server"] = server
+    folder_paths = types.ModuleType("folder_paths")
+    folder_paths.base_path = str(root)
+    folder_paths.models_dir = str(root / "models")
+    for name in ("output", "input", "temp", "user"):
+        directory = root / name
+        directory.mkdir()
+        setattr(folder_paths, f"get_{name}_directory", lambda path=directory: str(path))
+    sys.modules["folder_paths"] = folder_paths
+
+    from py.config import GalleryConfig, PromptManagerConfig
+
+    PromptManagerConfig.DEFAULT_DB_PATH = str(root / "browser.db")
+    GalleryConfig.MONITORING_DIRECTORIES = [str(root / "output"), str(root / "input")]
+
+    from py.api import PromptManagerAPI
+    from py import autotag
+    from utils.hashing import generate_prompt_hash
+
+    model = TestModel()
+    autotag.get_autotag_service = lambda: model
+    api = PromptManagerAPI()
+    api.add_routes(routes)
+
+    def seed(extra_images: int = 0) -> None:
+        with api.db.model.get_connection() as conn:
+            for table in ("generated_images", "prompt_tags", "tags", "prompts"):
+                conn.execute(f"DELETE FROM {table}")
+        for name in ("output", "input"):
+            shutil.rmtree(root / name)
+            (root / name).mkdir()
+        for index, (directory, text, tag) in enumerate(
+            [("output", "Cat portrait", "cats"), ("input", "Dog landscape", "dogs")]
+        ):
+            image_path = root / directory / "shared" / "same.png"
+            image_path.parent.mkdir(exist_ok=True)
+            info = PngInfo()
+            info.add_text(
+                "prompt",
+                json.dumps(
+                    {"1": {"class_type": "CLIPTextEncode", "inputs": {"text": text}}}
+                ),
+            )
+            with Image.new("RGB", (64, 64), (index * 255, 64, 128)) as image:
+                image.save(image_path, pnginfo=info)
+            stamp = time.time() - index * 10
+            os.utime(image_path, (stamp, stamp))
+            pid = api.db.save_prompt(
+                text, tags=[tag], prompt_hash=generate_prompt_hash(text)
+            )
+            api.db.link_image_to_prompt(pid, str(image_path))
+            if index == 0:
+                for number in range(extra_images):
+                    extra = root / directory / "bulk" / f"{number:04}.png"
+                    extra.parent.mkdir(exist_ok=True)
+                    shutil.copyfile(image_path, extra)
+                    api.db.link_image_to_prompt(pid, str(extra))
+        api._generate_gallery_thumbnails_sync(api._get_all_output_dirs(), (150, 150))
+        api.invalidate_gallery_cache()
+
+    @routes.post("/__test__/reset")
+    async def reset(request: web.Request) -> web.Response:
+        data = await request.json() if request.can_read_body else {}
+        extra = data.get("extra_images", 0)
+        if (
+            isinstance(extra, bool)
+            or not isinstance(extra, int)
+            or not 0 <= extra <= 200
+        ):
+            raise web.HTTPBadRequest()
+        await api._run_in_executor(seed, extra)
+        return web.json_response({"success": True})
+
+    @routes.get("/api/settings/Comfy.ColorPalette")
+    async def palette(request: web.Request) -> web.Response:
+        return web.json_response("dark")
+
+    async def cleanup(application: web.Application) -> None:
+        api.db.close_all()
+
+    seed()
+    app.on_cleanup.append(cleanup)
+    app.add_routes(routes)
+    return app
+
+
+def main() -> None:
+    parser = argparse.ArgumentParser()
+    parser.add_argument("--port", type=int, default=8765)
+    args = parser.parse_args()
+    with tempfile.TemporaryDirectory(prefix="pm-browser-") as directory:
+        web.run_app(
+            create_app(Path(directory).resolve()), host="127.0.0.1", port=args.port
+        )
+
+
+if __name__ == "__main__":
+    main()

tests/browser/workflows.spec.mjs

@@ -0,0 +1,141 @@
+import { startCoverage, saveCoverage } from '../../tools/vendor/browser-coverage.mjs';
+import { test, expect } from '../../tools/vendor/node_modules/@playwright/test/index.mjs';
+
+test.beforeEach(async ({ request, page, browserName }) => {
+    await startCoverage(page, browserName);
+    await expect(await request.post('/__test__/reset')).toBeOK();
+    page.workflowErrors = [];
+    page.on('pageerror', error => page.workflowErrors.push(error.message));
+    page.on('response', response => {
+        if (response.status() >= 500 && response.url().includes('/prompt_manager/')) {
+            page.workflowErrors.push(`${response.status()} ${response.url()}`);
+        }
+    });
+    await page.addInitScript(() => { localStorage.setItem('pm_update_notice_dismissed', '3.2.0'); });
+});
+
+test.afterEach(async ({ page, browserName }) => {
+    await saveCoverage(page, browserName);
+    expect(page.workflowErrors).toEqual([]);
+});
+
+test('actual gallery form saves a prompt that the admin page can edit and reload', async ({ page, request }) => {
+    await page.goto('/prompt_manager/gallery');
+    await page.locator('#addPromptBtn').click();
+    await page.locator('#addPromptText').fill('Browser saved landscape');
+    await page.locator('#addPromptCategory').fill('Browser tests');
+    await page.locator('#addPromptTagInput').fill('browser-tag');
+    await page.locator('#addPromptTagInput').press('Enter');
+    await page.locator('#saveNewPromptBtn').click();
+    await expect(page.locator('#addPromptModal')).toBeHidden();
+    await page.goto('/prompt_manager/admin');
+    const text = page.locator('.prompt-text').filter({ hasText: 'Browser saved landscape' });
+    await expect(text).toBeVisible();
+    const id = await text.getAttribute('data-id');
+    await page.locator(`[data-action="edit"][data-prompt-id="${id}"]`).click();
+    const editor = page.locator(`.prompt-text[data-id="${id}"]`);
+    await editor.fill('Browser edited portrait');
+    await editor.press('Enter');
+    await expect(page.locator('.prompt-text').filter({ hasText: 'Browser edited portrait' })).toBeVisible();
+    await page.reload();
+    await expect(page.locator('.prompt-text').filter({ hasText: 'Browser edited portrait' })).toBeVisible();
+    const saved = await request.post('/prompt_manager/save', { data: { text: 'Browser saved landscape' } });
+    expect((await saved.json()).prompt_id).not.toBe(Number(id));
+});
+
+test('actual gallery review generates and persists tags for the selected root', async ({ page, request }) => {
+    await page.goto('/prompt_manager/gallery');
+    await expect(page.locator('#galleryGrid .image-item')).toHaveCount(2);
+    await page.locator('#autoTagBtn').click();
+    const generated = page.waitForResponse(response => response.url().endsWith('/prompt_manager/autotag/single'));
+    await page.locator('#startReviewBtn').click();
+    const generation = await generated;
+    expect(generation.request().postDataJSON().root_index).toBe(0);
+    await expect(page.locator('#reviewTagsContainer')).toContainText('generated');
+    const result = page.waitForResponse(response => response.url().endsWith('/prompt_manager/autotag/apply'));
+    await page.locator('#applyReviewBtn').click();
+    expect((await (await result).json()).success).toBe(true);
+    const data = await (await request.get('/prompt_manager/recent?limit=20')).json();
+    expect(data.results.find(prompt => prompt.text === 'Cat portrait').tags).toContain('generated');
+    expect(data.results.find(prompt => prompt.text === 'Dog landscape').tags).not.toContain('generated');
+});
+
+test('actual Tags page reloads the selected filter and opens its image viewer', async ({ page }) => {
+    await page.goto('/prompt_manager/admin#/tags');
+    await page.locator('[data-tag-name="cats"]').click();
+    await expect(page.locator('#tagPromptsGrid')).toContainText('Cat portrait');
+    await page.locator('[data-tag-name="dogs"]').click();
+    await expect(page.locator('#tagPromptsGrid')).toContainText('Dog landscape');
+    await expect(page.locator('#tagPromptsGrid')).not.toContainText('Cat portrait');
+    await page.locator('#tagPromptsGrid img').first().click();
+    await expect(page.locator('.viewer-canvas img')).toBeVisible();
+    await page.locator('.viewer-container').getByRole('button', { name: 'Close', exact: true }).click();
+    await expect(page.locator('.viewer-container')).toHaveCount(0);
+});
+
+test('actual gallery serves colliding filenames and shows the matching prompt', async ({ page }) => {
+    await page.goto('/prompt_manager/gallery');
+    await expect(page.locator('#galleryGrid .image-item')).toHaveCount(2);
+    const images = page.locator('#galleryGrid img[data-original]');
+    const first = await images.nth(0).getAttribute('data-original');
+    const second = await images.nth(1).getAttribute('data-original');
+    expect(first).not.toBe(second);
+    await page.locator('#galleryGrid .image-item[data-image-index="0"]').click();
+    await expect(page.locator('#metadata-content')).toContainText('Cat portrait');
+    await page.keyboard.press('ArrowRight');
+    await expect(page.locator('#metadata-content')).toContainText('Dog landscape');
+    await page.keyboard.press('Escape');
+    await expect(page.locator('#metadata-sidebar')).toHaveCount(0);
+});
+
+test('an edit collision is rejected by the backend and the page restores the original text', async ({ page }) => {
+    await page.goto('/prompt_manager/admin');
+    const original = page.locator('.prompt-text').filter({ hasText: 'Cat portrait' });
+    const id = await original.getAttribute('data-id');
+    await page.locator(`[data-action="edit"][data-prompt-id="${id}"]`).click();
+    const editor = page.locator(`.prompt-text[data-id="${id}"]`);
+    await editor.fill('Dog landscape');
+    const rejected = page.waitForResponse(response => response.request().method() === 'PUT' && response.url().endsWith(`/prompts/${id}`));
+    await editor.press('Enter');
+    expect((await rejected).status()).toBe(409);
+    await expect(editor).toHaveText('Cat portrait');
+    await page.reload();
+    await expect(page.locator(`.prompt-text[data-id="${id}"]`)).toHaveText('Cat portrait');
+});
+
+test('a delayed real Tags response cannot replace a newer selection', async ({ page }) => {
+    let release;
+    const delayed = new Promise(resolve => { release = resolve; });
+    let received;
+    const waiting = new Promise(resolve => { received = resolve; });
+    await page.route('**/prompt_manager/tags/cats/prompts?*', async route => {
+        const response = await route.fetch();
+        received();
+        await delayed;
+        await route.fulfill({ response });
+    });
+    await page.goto('/prompt_manager/admin#/tags');
+    await page.locator('[data-tag-name="cats"]').click();
+    await waiting;
+    await page.locator('[data-tag-name="dogs"]').click();
+    await expect(page.locator('#tagPromptsGrid')).toContainText('Dog landscape');
+    const completed = page.waitForResponse(response => response.url().includes('/tags/cats/prompts?'));
+    release();
+    await completed;
+    await expect(page.locator('#tagPromptsGrid')).not.toContainText('Cat portrait');
+});
+
+test('gallery infinite scroll appends a real backend page while retaining existing cards', async ({ page, request }) => {
+    await expect(await request.post('/__test__/reset', { data: { extra_images: 108 } })).toBeOK();
+    await page.goto('/prompt_manager/gallery');
+    await expect(page.locator('#galleryGrid .image-item')).toHaveCount(100);
+    await page.locator('#settingsBtn').click();
+    await page.locator('#infiniteScrollToggle').check();
+    await page.locator('#saveSettingsBtn').click();
+    await expect(page.locator('#settingsModal')).toBeHidden();
+    const first = page.locator('#galleryGrid .image-item').first();
+    await first.evaluate(element => { element.dataset.preserved = 'yes'; });
+    await page.locator('#galleryScroll').evaluate(element => { element.scrollTop = element.scrollHeight; });
+    await expect(page.locator('#galleryGrid .image-item')).toHaveCount(110);
+    await expect(first).toHaveAttribute('data-preserved', 'yes');
+});

tests/js/admin-metadata.test.js

@@ -0,0 +1,50 @@
+const test = require('node:test');
+const assert = require('node:assert/strict');
+const fs = require('node:fs');
+const path = require('node:path');
+const vm = require('node:vm');
+function fixture() {
+    const panel = { innerHTML: '', isConnected: true };
+    const requests = new Map();
+    const context = vm.createContext({ document: { readyState: 'loading', addEventListener() {},
+        getElementById: id => id === 'metadata-content' ? panel : null },
+        window: {}, console: { error() {} },
+    });
+    const Admin = vm.runInContext(fs.readFileSync(path.join(__dirname, '../../web/js/admin.js'), 'utf8') + '\nPromptAdmin;', context, { filename: path.join(__dirname, '../../web/js/admin.js') });
+    const manager = Object.create(Admin.prototype);
+    manager.extractImageMetadata = url => new Promise((resolve, reject) => requests.set(url, { resolve, reject }));
+    manager.updateMetadataSidebar = metadata => { panel.innerHTML = metadata?.imagePath || 'No metadata'; };
+    manager.hideModal = () => {};
+    const load = url => manager.loadMetadataForImage({ getAttribute: () => url });
+    return { manager, panel, requests, load };
+}
+test('admin metadata and copy actions stay on the selected image', async () => {
+    const { manager, panel, requests, load } = fixture();
+    const old = load('old.png');
+    const current = load('current.png');
+    requests.get('current.png').resolve({ imagePath: 'current.png' }); await current;
+    requests.get('old.png').resolve({ imagePath: 'old.png' }); await old;
+    assert.equal(panel.innerHTML, 'current.png');
+    assert.equal(manager.currentMetadata.imagePath, 'current.png');
+});
+test('navigation clears old action data and late errors cannot replace current metadata', async () => {
+    const { manager, panel, requests, load } = fixture();
+    manager.currentMetadata = { imagePath: 'previous.png' };
+    const old = load('old.png');
+    assert.equal(manager.currentMetadata, null);
+    const current = load('current.png');
+    requests.get('current.png').resolve({ imagePath: 'current.png' }); await current;
+    requests.get('old.png').reject(new Error('old error')); await old;
+    assert.equal(panel.innerHTML, 'current.png');
+});
+for (const close of ['close gallery', 'detach sidebar']) {
+    test(`${close} prevents pending admin metadata from restoring copy state`, async () => {
+        const { manager, panel, requests, load } = fixture();
+        const pending = load('old.png');
+        if (close === 'close gallery') manager.closeGallery();
+        else panel.isConnected = false;
+        requests.get('old.png').resolve({ imagePath: 'old.png' }); await pending;
+        assert.equal(manager.currentMetadata, null);
+        assert.notEqual(panel.innerHTML, 'old.png');
+    });
+}

tests/js/gallery-metadata.test.js

@@ -0,0 +1,76 @@
+const test = require('node:test');
+const assert = require('node:assert/strict');
+const fs = require('node:fs');
+const vm = require('node:vm');
+const path = require('node:path');
+
+function deferred() {
+    let resolve, reject;
+    const promise = new Promise((yes, no) => { resolve = yes; reject = no; });
+    return { promise, resolve, reject };
+}
+
+function fixture() {
+    const context = vm.createContext({ document: { addEventListener() {}, getElementById() {} },
+        window: {}, console: { error() {} }, escapeHtml: value => value });
+    const Manager = vm.runInContext(fs.readFileSync(path.join(__dirname, '../../web/js/gallery.js'), 'utf8') + '\nGalleryManager;', context, { filename: path.join(__dirname, '../../web/js/gallery.js') });
+    const manager = Object.create(Manager.prototype);
+    const requests = new Map();
+    manager.extractImageMetadata = url => {
+        const pending = deferred();
+        requests.set(url, pending);
+        return pending.promise;
+    };
+    manager.displayMetadata = (metadata, panel) => {
+        panel.innerHTML = metadata?.positivePrompt || 'No metadata';
+        manager.currentMetadata = metadata;
+    };
+    manager.stopViewerSlideshow = () => {};
+    return { manager, requests, panel: { innerHTML: '', isConnected: true } };
+}
+
+test('a late response cannot overwrite the selected image or copy state', async () => {
+    const { manager, requests, panel } = fixture();
+    const first = manager.loadImageMetadata('old.png', panel);
+    const second = manager.loadImageMetadata('new.png', panel);
+    requests.get('new.png').resolve({ positivePrompt: 'new prompt' });
+    await second;
+    requests.get('old.png').resolve({ positivePrompt: 'old prompt' });
+    await first;
+    assert.equal(panel.innerHTML, 'new prompt');
+    assert.equal(manager.currentMetadata.positivePrompt, 'new prompt');
+});
+
+test('navigation clears old action data while the new request is pending', async () => {
+    const { manager, requests, panel } = fixture();
+    manager.currentMetadata = { positivePrompt: 'old prompt' };
+    const pending = manager.loadImageMetadata('new.png', panel);
+    assert.equal(manager.currentMetadata, null);
+    requests.get('new.png').resolve(null);
+    await pending;
+    assert.equal(manager.currentMetadata, null);
+});
+
+test('a stale error cannot replace newer metadata', async () => {
+    const { manager, requests, panel } = fixture();
+    const first = manager.loadImageMetadata('old.png', panel);
+    const second = manager.loadImageMetadata('new.png', panel);
+    requests.get('new.png').resolve({ positivePrompt: 'new prompt' });
+    await second;
+    requests.get('old.png').reject(new Error('old request failed'));
+    await first;
+    assert.equal(panel.innerHTML, 'new prompt');
+});
+
+for (const close of ['destroy viewer', 'remove modal']) {
+    test(`closing via ${close} prevents pending metadata from restoring action data`, async () => {
+        const { manager, requests, panel } = fixture();
+        const pending = manager.loadImageMetadata('old.png', panel);
+        if (close === 'destroy viewer') manager.destroyViewer();
+        else panel.isConnected = false;
+        requests.get('old.png').resolve({ positivePrompt: 'closed prompt' });
+        await pending;
+        assert.equal(manager.currentMetadata, null);
+        assert.notEqual(panel.innerHTML, 'closed prompt');
+    });
+}

tests/js/gallery-performance.test.js

@@ -47,7 +47,7 @@ function fixture(count = 2000) {
         ListState: { nextPageState: (state, next) => ({ ...state, ...next }) },
     });
     const source = fs.readFileSync(path.join(__dirname, '../../web/js/gallery.js'), 'utf8');
-    const Manager = vm.runInContext(source + '\nGalleryManager;', context);
+    const Manager = vm.runInContext(source + '\nGalleryManager;', context, { filename: path.join(__dirname, '../../web/js/gallery.js') });
     const manager = Object.create(Manager.prototype);
     Object.assign(manager, { images: Array.from({ length: count }, (_, i) => ({
         filename: `${i}.png`, url: `/original/${i}.png`, thumbnail_url: `/thumb/${i}.jpg`,

tests/js/gallery-review.test.js

@@ -0,0 +1,88 @@
+const test = require('node:test');
+const assert = require('node:assert/strict');
+const fs = require('node:fs');
+const path = require('node:path');
+const vm = require('node:vm');
+const ImageHelpers = require('../../web/js/image-helpers.js');
+function deferred() {
+    let resolve;
+    const promise = new Promise(yes => { resolve = yes; });
+    return { promise, resolve };
+}
+function fixture() {
+    const elements = new Map();
+    const requests = [];
+    const document = { addEventListener() {}, getElementById(id) {
+        if (!elements.has(id)) elements.set(id, {});
+        return elements.get(id);
+    } };
+    const context = vm.createContext({ document, window: {}, ImageHelpers,
+        escapeHtml: value => value, console: { error() {} },
+        ApiClient: { resolveUrl: value => value, fetchUrl: (url, options) => {
+            const request = deferred();
+            requests.push({ url, body: JSON.parse(options.body), ...request });
+            return request.promise;
+        } },
+    });
+    const Manager = vm.runInContext(fs.readFileSync(path.join(__dirname, '../../web/js/gallery.js'), 'utf8') + '\nGalleryManager;', context, { filename: path.join(__dirname, '../../web/js/gallery.js') });
+    const manager = Object.create(Manager.prototype);
+    const notifications = [];
+    Object.assign(manager, { autoTagState: { reviewImages: [
+        { id: 'digest', path: 'same.png', root_index: 1, url: '/same.png' },
+        { id: 'other', path: 'next.png', root_index: 0, url: '/next.png' },
+    ], reviewIndex: 0, currentTags: [], modelType: 'gguf' },
+    renderReviewTags() {}, showNotification: (...args) => notifications.push(args), hideModal() {}, loadImages() {},
+    });
+    const reply = (index, data) => requests[index].resolve({ json: async () => data });
+    return { manager, requests, reply, notifications };
+}
+test('gallery review retains root identity and applies tags with the returned prompt ID', async () => {
+    const { manager, requests, reply } = fixture();
+    const load = manager.loadNextReviewImage();
+    assert.equal(requests[0].body.root_index, 1);
+    reply(0, { success: true, prompt_id: 42, tags: ['smile'] });
+    await load;
+    manager.loadNextReviewImage = () => {};
+    const apply = manager.applyReviewTags();
+    assert.deepEqual(requests[1].body, { prompt_id: 42, tags: ['smile'] });
+    reply(1, { success: true });
+    await apply;
+});
+test('unlinked images do not submit an invalid apply request or advance', async () => {
+    const { manager, requests, reply } = fixture();
+    const load = manager.loadNextReviewImage();
+    reply(0, { success: true, prompt_id: null, tags: ['smile'] });
+    await load;
+    const apply = manager.applyReviewTags();
+    if (requests[1]) reply(1, { success: false, error: "Unexpected apply" });
+    await apply;
+    assert.equal(requests.length, 1);
+    assert.equal(manager.autoTagState.reviewIndex, 0);
+});
+test('a failed apply keeps the current image available for retry', async () => {
+    const { manager, requests, reply } = fixture();
+    const load = manager.loadNextReviewImage();
+    reply(0, { success: true, prompt_id: 42, tags: ['smile'] });
+    await load;
+    const apply = manager.applyReviewTags();
+    reply(1, { success: false, error: 'Try again' });
+    await apply;
+    assert.equal(manager.autoTagState.reviewIndex, 0);
+    assert.equal(requests.length, 2);
+});
+test('late generation responses cannot restore tags from a skipped or closed image', async () => {
+    const { manager, reply } = fixture();
+    const first = manager.loadNextReviewImage();
+    manager.autoTagState.reviewIndex = 1;
+    const second = manager.loadNextReviewImage();
+    reply(1, { success: true, prompt_id: 2, tags: ['current'] });
+    await second;
+    reply(0, { success: true, prompt_id: 1, tags: ['stale'] });
+    await first;
+    assert.deepEqual(Array.from(manager.autoTagState.currentTags), ['current']);
+    const third = manager.loadNextReviewImage();
+    manager.cancelReview();
+    reply(2, { success: true, prompt_id: 2, tags: ['closed'] });
+    await third;
+    assert.equal(manager.autoTagState.currentTags.length, 0);
+});

tests/js/gallery-root-metadata.test.js

@@ -0,0 +1,30 @@
+const test = require('node:test');
+const assert = require('node:assert/strict');
+const fs = require('node:fs');
+const vm = require('node:vm');
+const path = require('node:path');
+const ImageHelpers = require('../../web/js/image-helpers.js');
+
+test('gallery metadata requests retain root identity without including cache parameters in filenames', async () => {
+    const requests = [];
+    const context = vm.createContext({ document: { addEventListener() {} }, window: {}, console,
+        ImageHelpers, ApiClient: { fetchUrl: async url => {
+            requests.push(url);
+            return { ok: true, json: async () => ({ success: true, prompt: { text: url } }) };
+        } },
+    });
+    const Manager = vm.runInContext(fs.readFileSync(path.join(__dirname, '../../web/js/gallery.js'), 'utf8') + '\nGalleryManager;', context, { filename: path.join(__dirname, '../../web/js/gallery.js') });
+    const manager = Object.create(Manager.prototype);
+    manager.extractImageMetadata = async () => null;
+    manager.displayMetadata = (metadata, panel) => { panel.prompt = metadata.positivePrompt; };
+    for (const root of [0, 1]) {
+        const panel = {};
+        const expected = `/prompt_manager/images/prompt/sub%2Fsame.png?root=${root}`;
+        await manager.loadImageMetadata(`/prompt_manager/images/serve/sub/same.png?v=123&root=${root}`, panel);
+        assert.equal(panel.prompt, expected);
+    }
+    assert.deepEqual(requests, [
+        '/prompt_manager/images/prompt/sub%2Fsame.png?root=0',
+        '/prompt_manager/images/prompt/sub%2Fsame.png?root=1',
+    ]);
+});

tests/js/gallery-thumbnails.test.js

@@ -0,0 +1,90 @@
+const test = require('node:test');
+const assert = require('node:assert/strict');
+const fs = require('node:fs');
+const path = require('node:path');
+const vm = require('node:vm');
+
+function fixture(status, settings = {}) {
+    const timers = [];
+    const prompts = [];
+    const requests = [];
+    const buttons = {};
+    const storage = new Map();
+    const document = {
+        addEventListener() {},
+        createElement: () => ({ addEventListener() {} }),
+        body: { appendChild() {}, removeChild() {} },
+        getElementById: id => buttons[id] ||= { addEventListener(type, handler) { this[type] = handler; } },
+    };
+    const context = vm.createContext({ document, window: {}, console: { debug() {}, warn() {} },
+        setTimeout: callback => timers.push(callback),
+        localStorage: { setItem: (key, value) => storage.set(key, value) },
+        ApiClient: { fetchUrl: async () => ({ json: async () => ({ success: true,
+            total: 10000, images: Array.from({ length: 50 }, () => ({ thumbnail_url: null })),
+        }) }) },
+    });
+    const Manager = vm.runInContext(fs.readFileSync(path.join(__dirname, '../../web/js/gallery.js'), 'utf8') + '\nGalleryManager;', context, { filename: path.join(__dirname, '../../web/js/gallery.js') });
+    const manager = Object.create(Manager.prototype);
+    Object.assign(manager, { getSettings: () => ({ checkThumbnailsAtStartup: true, ...settings }),
+        api: { get: async url => { requests.push(url); return status; } },
+    });
+    const originalPrompt = manager.showThumbnailGenerationPrompt.bind(manager);
+    manager.showThumbnailGenerationPrompt = (...args) => prompts.push(args);
+    async function check() {
+        await manager.checkThumbnailsAtStartup();
+        await timers.shift()();
+    }
+    return { manager, check, prompts, requests, settings, buttons, storage, originalPrompt };
+}
+
+test('startup uses exact collection counts instead of extrapolating the newest 50 images', async () => {
+    const f = fixture({ success: true, total_images: 10000, pending: 50, ready: 9950, collection_id: 'a' });
+    await f.check();
+    assert.deepEqual(f.requests, ['/prompt_manager/images/thumbnails/status']);
+    assert.equal(f.prompts.length, 0);
+});
+
+test('startup prompt reports the actual number needing generation', async () => {
+    const f = fixture({ success: true, total_images: 10000, pending: 1200, collection_id: 'a' });
+    await f.check();
+    assert.equal(f.prompts.length, 1);
+    assert.deepEqual(f.prompts[0].slice(0, 2), [10000, 1200]);
+});
+
+test('a complete collection never prompts again', async () => {
+    const f = fixture({ success: true, total_images: 10000, pending: 0, collection_id: 'a' });
+    await f.check();
+    await f.check();
+    assert.equal(f.prompts.length, 0);
+});
+
+test('Not Now persists the collection state and suppresses the unchanged prompt', async () => {
+    const status = { success: true, total_images: 100, pending: 30, collection_id: 'a' };
+    const f = fixture(status);
+    await f.check();
+    f.originalPrompt(...f.prompts[0]);
+    f.buttons.thumbnailPromptNo.click();
+    Object.assign(f.settings, JSON.parse(f.storage.get('gallerySettings')));
+    f.prompts.length = 0;
+    await f.check();
+    assert.equal(f.prompts.length, 0);
+    status.pending = 40;
+    await f.check();
+    assert.equal(f.prompts.length, 1);
+});
+
+test('disabled checks do not request collection status', async () => {
+    const f = fixture({}, { checkThumbnailsAtStartup: false });
+    await f.check();
+    assert.equal(f.requests.length, 0);
+    assert.equal(f.prompts.length, 0);
+});
+
+test('saving gallery settings retains the remembered thumbnail dismissal', () => {
+    const f = fixture({}, { thumbnailPromptDismissed: 'remembered-state' });
+    f.manager.showNotification = () => {};
+    f.manager.hideSettings = () => {};
+    f.manager.applySettings = () => {};
+    f.manager.saveSettings();
+    assert.equal(JSON.parse(f.storage.get('gallerySettings')).thumbnailPromptDismissed, 'remembered-state');
+});

tests/js/image-helpers.test.js

@@ -108,3 +108,16 @@ test("fallbackImageSource gives up when the original itself failed or was alread
     assert.equal(fallbackImageSource("/serve/t.png", {}), null);
     assert.equal(fallbackImageSource("/serve/t.png", undefined), null);
 });
+
+const { metadataLookupUrl } = require('../../web/js/image-helpers.js');
+
+test('metadata lookup keeps root identity and strips thumbnail cache query parameters', () => {
+    assert.equal(metadataLookupUrl('/prompt_manager/images/serve/sub/a.png?root=1&v=123'), '/prompt_manager/images/prompt/sub%2Fa.png?root=1');
+    assert.equal(metadataLookupUrl('/prompt_manager/images/serve/a.png?root=0'), '/prompt_manager/images/prompt/a.png?root=0');
+});
+
+test('metadata lookup preserves encoded filename characters and works behind a proxy', () => {
+    assert.equal(metadataLookupUrl('https://example.test/ComfyBackendDirect/prompt_manager/images/serve/space%20%23%3F%2520%20caf%C3%A9.png?root=1'), '/prompt_manager/images/prompt/space%20%23%3F%2520%20caf%C3%A9.png?root=1');
+    assert.equal(metadataLookupUrl('/prompt_manager/images/serve/a.png?v=123'), '/prompt_manager/images/prompt/a.png');
+    assert.equal(metadataLookupUrl('/elsewhere/a.png'), null);
+});

tests/js/tags-prompts-race.test.js

@@ -0,0 +1,71 @@
+const test = require('node:test');
+const assert = require('node:assert/strict');
+const fs = require('node:fs');
+const path = require('node:path');
+const vm = require('node:vm');
+function fixture() {
+    const requests = [];
+    const grid = { replaceChildren() {}, appendChild() {} };
+    const context = vm.createContext({ window: {}, URLSearchParams, console: { error() {} },
+        requestAnimationFrame() {}, document: { getElementById: id => id === 'tagPromptsGrid' ? grid : null,
+            querySelector: () => null, createElement: () => ({ appendChild() {} }) },
+    });
+    const Manager = vm.runInContext(fs.readFileSync(path.join(__dirname, '../../web/js/tags-page.js'), 'utf8') + '\nTagsPageManager;', context, { filename: path.join(__dirname, '../../web/js/tags-page.js') });
+    const manager = Object.create(Manager.prototype);
+    Object.assign(manager, { selectedTags: ['cats'], filterMode: 'and', promptLimit: 20,
+        promptOffset: 0, isLoadingPrompts: false, prompts: [], hasMorePrompts: false,
+        fetchJson(url) { return new Promise((resolve, reject) => requests.push({ url, resolve, reject })); },
+        renderTagPrompts() {}, appendTagPrompts() {}, updatePromptCountBadge() {}, updateLoadMoreButton() {},
+    });
+    const reply = (index, text, more = false) => requests[index].resolve({ success: true,
+        prompts: [{ text }], pagination: { has_more: more, total: more ? 40 : 1 } });
+    return { manager, requests, reply };
+}
+test('changing a filter starts a new request and late results cannot overwrite it', async () => {
+    const { manager, requests, reply } = fixture();
+    const old = manager.loadTagPrompts();
+    manager.selectedTags = ['dogs'];
+    const current = manager.loadTagPrompts();
+    assert.equal(requests.length, 2);
+    assert.match(requests[1].url, /dogs/);
+    reply(1, 'dog prompt'); await current;
+    reply(0, 'cat prompt', true); await old;
+    assert.equal(manager.prompts[0].text, 'dog prompt');
+    assert.equal(manager.promptTotal, 1);
+    assert.equal(manager.hasMorePrompts, false);
+});
+test('clearing selection invalidates pending results', async () => {
+    const { manager, reply } = fixture();
+    const old = manager.loadTagPrompts();
+    manager.selectedTags = [];
+    manager.clearPrompts();
+    reply(0, 'cat prompt'); await old;
+    assert.equal(manager.prompts.length, 0);
+    assert.equal(manager.promptTotal, 0);
+    assert.equal(manager.isLoadingPrompts, false);
+});
+test('a stale pagination response cannot append rows from the previous filter', async () => {
+    const { manager, requests, reply } = fixture();
+    Object.assign(manager, { prompts: [{ text: 'cat first page' }], hasMorePrompts: true, promptOffset: 20 });
+    const old = manager.loadMoreTagPrompts();
+    manager.selectedTags = ['dogs'];
+    const current = manager.loadTagPrompts();
+    assert.equal(requests.length, 2);
+    reply(1, 'dog prompt'); await current;
+    reply(0, 'cat second page', true); await old;
+    assert.equal(manager.prompts.length, 1);
+    assert.equal(manager.prompts[0].text, 'dog prompt');
+    assert.equal(manager.promptOffset, 20);
+});
+test('a stale failure cannot finish the new request or clear its loading state', async () => {
+    const { manager, requests, reply } = fixture();
+    const old = manager.loadTagPrompts();
+    manager.selectedTags = ['dogs'];
+    const current = manager.loadTagPrompts();
+    assert.equal(requests.length, 2);
+    requests[0].reject(new Error('old failure')); await old;
+    assert.equal(manager.isLoadingPrompts, true);
+    reply(1, 'dog prompt'); await current;
+    assert.equal(manager.isLoadingPrompts, false);
+    assert.equal(manager.prompts[0].text, 'dog prompt');
+});

tests/test_api_autotag.py

@@ -1049,3 +1049,72 @@ class TestScanOutputDir(AutotagAPITestCase):
 
 if __name__ == "__main__":
     unittest.main()
+
+
+class TestGalleryReviewContract(AutotagAPITestCase):
+    async def test_root_relative_gallery_targets_generate_and_apply_to_their_prompt(
+        self,
+    ):
+        second = self.tmp_root / "second-output"
+        second.mkdir()
+        roots = [self.output_dir, second]
+        self.api._get_all_output_dirs = lambda: roots
+        for index, root in enumerate(roots):
+            pid = self._save_prompt(f"root {index}")
+            self._link_image(pid, self._make_image(root, "same.png"))
+            response = await self._post_json(
+                "/prompt_manager/autotag/single",
+                {"path": "same.png", "root_index": index, "model_type": "gguf"},
+            )
+            self.assertEqual(response.status, 200)
+            data = await response.json()
+            self.assertEqual(data["prompt_id"], pid)
+            self.assertEqual(
+                self.service.generate_calls[-1][0], str((root / "same.png").resolve())
+            )
+            response = await self._post_json(
+                "/prompt_manager/autotag/apply",
+                {"prompt_id": data["prompt_id"], "tags": data["tags"]},
+            )
+            self.assertEqual(response.status, 200)
+            self.assertEqual(
+                set(self.api.db.get_prompt_by_id(pid)["tags"]), set(data["tags"])
+            )
+
+    async def test_gallery_unlinked_image_returns_no_prompt_id(self):
+        self._make_image(self.output_dir)
+        response = await self._post_json(
+            "/prompt_manager/autotag/single", {"path": "img.png", "root_index": 0}
+        )
+        self.assertEqual(response.status, 200)
+        self.assertIsNone((await response.json())["prompt_id"])
+
+    async def test_gallery_root_selection_rejects_invalid_roots_and_escapes(self):
+        self._make_image(self.output_dir)
+        for root, path, expected in [
+            (9, "img.png", 403),
+            (-1, "img.png", 403),
+            (True, "img.png", 400),
+            ([], "img.png", 400),
+            (0, "../secret/img.png", 403),
+            (0, str(self.secret_dir / "img.png"), 403),
+        ]:
+            with self.subTest(root=root, path=path):
+                response = await self._post_json(
+                    "/prompt_manager/autotag/single", {"path": path, "root_index": root}
+                )
+                self.assertEqual(response.status, expected)
+
+    async def test_gallery_root_selection_rejects_symlink_into_another_root(self):
+        second = self.tmp_root / "second-output"
+        second.mkdir()
+        target = self._make_image(second)
+        try:
+            (self.output_dir / "link.png").symlink_to(target)
+        except (OSError, NotImplementedError):
+            self.skipTest("symlinks unavailable")
+        self.api._get_all_output_dirs = lambda: [self.output_dir, second]
+        response = await self._post_json(
+            "/prompt_manager/autotag/single", {"path": "link.png", "root_index": 0}
+        )
+        self.assertEqual(response.status, 403)

tests/test_api_images.py

@@ -224,7 +224,7 @@ class TestServeOutputImage(ImageAPITestCase):
 
             self.assertEqual(hit.status, 200)
             self.assertEqual(miss.status, 404)
-            self.assertEqual(bad_index.status, 200)
+            self.assertEqual(bad_index.status, 403)
             for resp in (hit, miss, bad_index):
                 await resp.read()  # release the served file before the directory goes
 
@@ -486,7 +486,7 @@ class TestThumbnailProgressStream(ThumbnailTestCase):
         # PIL work ran in the executor in batches (never on the loop), plus the scan.
         self.assertGreaterEqual(calls.count("_generate_batch"), 1)
         self.assertNotIn("_generate_one", calls)
-        self.assertIn("_plan_thumbnails", calls)
+        self.assertIn("_plan_gallery_thumbnails", calls)
 
     async def test_capped_run_reports_remaining_and_the_next_run_finishes(self):
         for name in ("a", "b", "c"):
@@ -573,7 +573,7 @@ class TestThumbnailProgressStream(ThumbnailTestCase):
         self.assertEqual(events[-1][1]["total_images"], 0)
 
     async def test_missing_output_dir_sends_error_event(self):
-        self.api._find_comfyui_output_dir = lambda: None
+        self.api._get_all_output_dirs = lambda: []
 
         resp = await self.client.request("POST", self.PROGRESS_URL)
 
@@ -616,7 +616,7 @@ class TestGenerateThumbnailsPost(ThumbnailTestCase):
         self.assertEqual(data2["count"], 0)
 
     async def test_missing_output_dir_is_404(self):
-        self.api._find_comfyui_output_dir = lambda: None
+        self.api._get_all_output_dirs = lambda: []
 
         resp = await self.client.request(
             "POST", "/prompt_manager/images/generate-thumbnails", json={}
@@ -849,7 +849,7 @@ class TestThumbnailFilesAreNeverSeenHalfWritten(ThumbnailTestCase):
         )
         self.assertRegex(
             entry["thumbnail_url"],
-            r"^/prompt_manager/images/serve/thumbnails/a_thumb\.png\?v=\d+$",
+            r"^/prompt_manager/images/serve/thumbnails/a_thumb\.png\?v=\d+&root=0$",
         )
         first = int(re.search(r"v=(\d+)", entry["thumbnail_url"]).group(1))
         self.assertEqual(first, int(thumb.stat().st_mtime))
@@ -1189,12 +1189,12 @@ class TestServeErrorBranches(ImageRouteCoverageCase):
         status, _ = await self._json("GET", "/prompt_manager/images/serve/x.png")
         self.assertEqual(status, 500)
 
-    async def test_out_of_range_root_index_searches_all_roots(self):
+    async def test_out_of_range_root_index_is_rejected(self):
         make_png(self.output_dir / "r.png")
         resp = await self.client.request(
             "GET", "/prompt_manager/images/serve/r.png?root=7"
         )
-        self.assertEqual(resp.status, 200)
+        self.assertEqual(resp.status, 403)
 
     async def test_directory_named_like_media_is_404(self):
         (self.output_dir / "dir.png").mkdir()
@@ -1420,7 +1420,7 @@ class TestThumbnailUnits(ImageRouteCoverageCase):
         self.assertEqual(events[-1][0], "error")
 
     async def test_post_generate_reports_internal_failure(self):
-        self.api._find_comfyui_output_dir = _raise
+        self.api._get_all_output_dirs = _raise
         status, _ = await self._json(
             "POST", "/prompt_manager/images/generate-thumbnails", json={}
         )
@@ -1536,7 +1536,7 @@ class TestClearThumbnails(ImageRouteCoverageCase):
     URL = "/prompt_manager/images/clear-thumbnails"
 
     async def test_missing_output_dir_is_404(self):
-        self.api._find_comfyui_output_dir = lambda: None
+        self.api._get_all_output_dirs = lambda: []
         status, _ = await self._json("POST", self.URL)
         self.assertEqual(status, 404)
 
@@ -1569,7 +1569,7 @@ class TestClearThumbnails(ImageRouteCoverageCase):
         self.assertEqual(data["cleared_files"], 0)
 
     async def test_internal_failure_is_500(self):
-        self.api._find_comfyui_output_dir = _raise
+        self.api._get_all_output_dirs = _raise
         status, _ = await self._json("POST", self.URL)
         self.assertEqual(status, 500)
 
@@ -1581,7 +1581,7 @@ class TestClearThumbnails(ImageRouteCoverageCase):
         out.mkdir()
         sibling = make_png(self.comfy_dir / "out2" / "thumbnails" / "a_thumb.png")
         self._make_symlink(sibling.parent, out / "thumbnails")
-        self.api._find_comfyui_output_dir = lambda: str(out)
+        self.api._get_all_output_dirs = lambda: [out]
 
         status, data = await self._json("POST", self.URL)
 
@@ -1589,6 +1589,79 @@ class TestClearThumbnails(ImageRouteCoverageCase):
         self.assertFalse(data["success"])
         self.assertTrue(sibling.is_file())
 
+    async def test_clears_all_roots_and_combines_counts_without_touching_originals(
+        self,
+    ):
+        second = self.comfy_dir / "extra-output"
+        roots = [self.output_dir, second]
+        self.api._get_all_output_dirs = lambda: roots
+        expected_size = 0
+        for root in roots:
+            make_png(root / "original_thumb.png")
+            thumb = make_png(root / "thumbnails" / "sub" / "generated_thumb.png")
+            expected_size += thumb.stat().st_size
+            (root / "thumbnails" / "notes.txt").write_text("keep")
+        status, data = await self._json("POST", self.URL)
+        self.assertEqual(status, 200)
+        self.assertEqual(data["cleared_files"], 2)
+        self.assertEqual(data["cleared_size"], expected_size)
+        self.assertNotIn("{format_size", data["message"])
+        for root in roots:
+            self.assertTrue((root / "original_thumb.png").is_file())
+            self.assertTrue((root / "thumbnails" / "notes.txt").is_file())
+            self.assertFalse((root / "thumbnails" / "sub").exists())
+
+    async def test_missing_thumbnails_in_first_root_does_not_skip_later_roots(self):
+        second = self.comfy_dir / "extra-output"
+        thumb = make_png(second / "thumbnails" / "a_thumb.png")
+        self.api._get_all_output_dirs = lambda: [self.output_dir, second]
+        status, data = await self._json("POST", self.URL)
+        self.assertEqual(status, 200)
+        self.assertEqual(data["cleared_files"], 1)
+        self.assertFalse(thumb.exists())
+
+    async def test_invalid_later_root_is_rejected_before_deleting_any_files(self):
+        first_thumb = make_png(self.output_dir / "thumbnails" / "a_thumb.png")
+        second = self.comfy_dir / "extra-output"
+        second.mkdir()
+        outside = make_png(self.comfy_dir / "elsewhere" / "a_thumb.png")
+        self._make_symlink(outside.parent, second / "thumbnails")
+        self.api._get_all_output_dirs = lambda: [self.output_dir, second]
+        status, data = await self._json("POST", self.URL)
+        self.assertEqual(status, 400)
+        self.assertFalse(data["success"])
+        self.assertTrue(first_thumb.is_file())
+        self.assertTrue(outside.is_file())
+
+    async def test_thumbnail_symlink_back_to_root_cannot_delete_originals(self):
+        original = make_png(self.output_dir / "original_thumb.png")
+        self._make_symlink(self.output_dir, self.output_dir / "thumbnails")
+        status, data = await self._json("POST", self.URL)
+        self.assertEqual(status, 400)
+        self.assertFalse(data["success"])
+        self.assertTrue(original.is_file())
+
+    async def test_cleanup_runs_off_loop_and_invalidates_gallery_cache(self):
+        import threading
+
+        make_png(self.output_dir / "thumbnails" / "a_thumb.png")
+        loop_thread = threading.get_ident()
+        deletion_threads = []
+        original_unlink = Path.unlink
+
+        def unlink(path, *args, **kwargs):
+            deletion_threads.append(threading.get_ident())
+            return original_unlink(path, *args, **kwargs)
+
+        self.api._gallery_cache = {"previous": object()}
+        with patch.object(Path, "unlink", unlink):
+            status, data = await self._json("POST", self.URL)
+        self.assertEqual(status, 200)
+        self.assertEqual(data["cleared_files"], 1)
+        self.assertTrue(deletion_threads)
+        self.assertNotIn(loop_thread, deletion_threads)
+        self.assertEqual(self.api._gallery_cache, {})
+
 
 class TestImagePromptLookup(ImageRouteCoverageCase):
 
@@ -1819,3 +1892,179 @@ class TestOutputScanHelpers(ImageAPITestCase):
         targets = [(Path(f"/x/{i}.png"), Path(f"/x/t{i}.jpg"), False) for i in range(3)]
         await self.api._stream_thumbnails(GoneResponse(), targets, (256, 256))
         self.assertEqual(generated, [])
+
+
+class TestThumbnailStartupStatus(ThumbnailTestCase):
+    """Startup counts and generation cover the same configured collection."""
+
+    STATUS_URL = "/prompt_manager/images/thumbnails/status"
+
+    async def test_status_reports_exact_pending_count_without_generating(self):
+        for name in ("ready", "missing", "outdated"):
+            make_png(self.output_dir / f"{name}.png")
+        thumbs = self.output_dir / "thumbnails"
+        ready = make_png(thumbs / "ready_thumb.png")
+        outdated = make_png(thumbs / "outdated_thumb.png")
+        source_time = (self.output_dir / "ready.png").stat().st_mtime
+        os.utime(ready, (source_time + 10, source_time + 10))
+        os.utime(outdated, (source_time - 10, source_time - 10))
+        calls = self._spy_executor()
+
+        response = await self.client.get(self.STATUS_URL)
+
+        self.assertEqual(response.status, 200)
+        data = await response.json()
+        self.assertTrue(data["success"])
+        self.assertEqual(data["total_images"], 3)
+        self.assertEqual(data["pending"], 2)
+        self.assertEqual(data["ready"], 1)
+        self.assertTrue(data["collection_id"])
+        self.assertIn("_plan_gallery_thumbnails", calls)
+        self.assertFalse((thumbs / "missing_thumb.png").exists())
+
+    async def test_both_generation_routes_cover_all_gallery_roots(self):
+        second = self.comfy_dir / "another-output"
+        make_png(self.output_dir / "a.png")
+        make_png(second / "b.png")
+        self.api._get_all_output_dirs = lambda: [self.output_dir, second]
+        for route in (
+            "/prompt_manager/images/generate-thumbnails",
+            self.PROGRESS_URL,
+        ):
+            with self.subTest(route=route):
+                for root in (self.output_dir, second):
+                    for thumb in (root / "thumbnails").glob("*_thumb.png"):
+                        thumb.unlink()
+                response = await self.client.post(route, json={})
+                if route == self.PROGRESS_URL:
+                    data = dict(parse_sse(await response.text()))["complete"]
+                else:
+                    data = await response.json()
+                self.assertEqual(data["count"], 2)
+                self.assertTrue((second / "thumbnails" / "b_thumb.png").exists())
+                status = await (await self.client.get(self.STATUS_URL)).json()
+                self.assertEqual(status["pending"], 0)
+                self.assertEqual(status["total_images"], 2)
+
+    async def test_pending_count_includes_files_beyond_the_generation_cap(self):
+        for name in ("a", "b", "c"):
+            make_png(self.output_dir / f"{name}.png")
+        with patch.object(images_module, "MAX_THUMBNAIL_FILES", 1):
+            response = await self.client.get(self.STATUS_URL)
+            self.assertEqual(response.status, 200)
+            data = await response.json()
+        self.assertEqual(data["pending"], 3)
+
+    async def test_generation_cap_is_shared_across_roots(self):
+        second = self.comfy_dir / "another-output"
+        make_png(self.output_dir / "a.png")
+        make_png(second / "b.png")
+        self.api._get_all_output_dirs = lambda: [self.output_dir, second]
+        with patch.object(images_module, "MAX_THUMBNAIL_FILES", 1):
+            response = await self.client.post(self.PROGRESS_URL)
+            data = dict(parse_sse(await response.text()))["complete"]
+        self.assertEqual(data["count"], 1)
+        self.assertEqual(data["remaining"], 1)
+        self.assertEqual(data["total_images"], 2)
+
+    async def test_equal_timestamps_do_not_regenerate_existing_thumbnails(self):
+        source = make_png(self.output_dir / "ready.png")
+        thumb = make_png(self.output_dir / "thumbnails" / "ready_thumb.png")
+        timestamp = int(source.stat().st_mtime)
+        os.utime(source, (timestamp, timestamp))
+        os.utime(thumb, (timestamp, timestamp))
+        response = await self.client.post(self.PROGRESS_URL)
+        data = dict(parse_sse(await response.text()))["complete"]
+        self.assertEqual(data["count"], 0)
+        self.assertEqual(data["skipped"], 1)
+
+
+class TestGalleryRootIdentity(ThumbnailTestCase):
+    async def test_colliding_original_and_thumbnail_urls_serve_their_own_roots(self):
+        roots = [self.output_dir, self.comfy_dir / "second-output"]
+        for index, root in enumerate(roots):
+            make_png(root / "same.png", color=(index * 255, 0, 255 - index * 255))
+        self.api._get_all_output_dirs = lambda: roots
+        await self.client.post("/prompt_manager/images/generate-thumbnails", json={})
+        data = await (await self.client.get("/prompt_manager/images/output")).json()
+        self.assertEqual(len({image["url"] for image in data["images"]}), 2)
+        self.assertEqual(len({image["thumbnail_url"] for image in data["images"]}), 2)
+        for image in data["images"]:
+            root = roots[image["root_index"]]
+            for key, path in (
+                ("url", root / "same.png"),
+                ("thumbnail_url", root / "thumbnails" / "same_thumb.png"),
+            ):
+                response = await self.client.get(image[key])
+                self.assertEqual(response.status, 200)
+                self.assertEqual(await response.read(), path.read_bytes())
+
+    async def test_root_scoped_prompt_lookup_uses_the_matching_database_image(self):
+        roots = [self.output_dir, self.comfy_dir / "second-output"]
+        for index, root in enumerate(roots):
+            self._link_image(make_png(root / "same.png"), text=f"root {index} prompt")
+        self.api._get_all_output_dirs = lambda: roots
+        for index in range(2):
+            response = await self.client.get(
+                f"/prompt_manager/images/prompt/same.png?root={index}"
+            )
+            self.assertEqual(response.status, 200)
+            data = await response.json()
+            self.assertEqual(data["prompt"]["text"], f"root {index} prompt")
+
+    async def test_special_characters_in_paths_survive_serving_and_prompt_lookup(self):
+        from urllib.parse import quote
+
+        filenames = ["space #%20 café.png"]
+        if os.name != "nt":
+            filenames.append("space #?%20 café.png")
+        for filename in filenames:
+            self._link_image(make_png(self.output_dir / filename), text="special path")
+        for filename in filenames:
+            with self.subTest(filename=filename):
+                original = self.output_dir / filename
+                data = await (
+                    await self.client.get("/prompt_manager/images/output")
+                ).json()
+                entry = next(
+                    image for image in data["images"] if image["filename"] == filename
+                )
+                response = await self.client.get(entry["url"])
+                self.assertEqual(response.status, 200)
+                self.assertEqual(await response.read(), original.read_bytes())
+                response = await self.client.get(
+                    f"/prompt_manager/images/prompt/{quote(filename, safe='')}?root=0"
+                )
+                data = await response.json()
+                self.assertEqual(data["prompt"]["text"], "special path")
+
+    async def test_invalid_explicit_roots_never_fall_back_to_another_image(self):
+        self._link_image(make_png(self.output_dir / "same.png"), text="first root")
+        for root in ("bad", "-1", "7", ""):
+            for route in ("serve", "prompt"):
+                with self.subTest(root=root, route=route):
+                    response = await self.client.get(
+                        f"/prompt_manager/images/{route}/same.png?root={root}"
+                    )
+                    self.assertEqual(response.status, 403)
+
+    async def test_explicit_root_prompt_lookup_rejects_paths_outside_that_root(self):
+        from urllib.parse import quote
+
+        outside = make_png(self.comfy_dir / "outside.png")
+        self._link_image(outside, text="outside")
+        response = await self.client.get(
+            f"/prompt_manager/images/prompt/{quote(str(outside), safe='')}?root=0"
+        )
+        self.assertEqual(response.status, 403)
+
+    async def test_unlinked_image_does_not_inherit_a_prompt_from_another_root(self):
+        second = self.comfy_dir / "second-output"
+        self._link_image(make_png(self.output_dir / "same.png"), text="first root")
+        make_png(second / "same.png")
+        self.api._get_all_output_dirs = lambda: [self.output_dir, second]
+        response = await self.client.get(
+            "/prompt_manager/images/prompt/same.png?root=1"
+        )
+        self.assertEqual(response.status, 200)
+        self.assertFalse((await response.json())["success"])

tests/test_api_prompts.py

@@ -894,3 +894,49 @@ class TestBulkRoutes(RouteCoverageCase):
 
 if __name__ == "__main__":
     unittest.main()
+
+
+class TestPromptEditHash(PromptAPITestCase):
+    async def test_edit_moves_the_hash_and_original_text_can_be_saved_again(self):
+        original_id = self._save_prompt("Original landscape")
+        response = await self.client.put(
+            f"/prompt_manager/prompts/{original_id}", json={"text": "Edited portrait"}
+        )
+        self.assertEqual(response.status, 200)
+        row = self.api.db.get_prompt_by_id(original_id)
+        self.assertEqual(row["hash"], generate_prompt_hash("Edited portrait"))
+        self.assertIsNone(
+            self.api.db.get_prompt_by_hash(generate_prompt_hash("Original landscape"))
+        )
+        response = await self.client.post(
+            "/prompt_manager/save", json={"text": "Original landscape"}
+        )
+        self.assertEqual(response.status, 200)
+        self.assertNotEqual((await response.json())["prompt_id"], original_id)
+        response = await self.client.post(
+            "/prompt_manager/save", json={"text": "Edited portrait"}
+        )
+        self.assertEqual((await response.json())["prompt_id"], original_id)
+
+    async def test_duplicate_edit_returns_conflict_without_changing_either_prompt(self):
+        first = self._save_prompt("Original landscape", tags=["landscape"])
+        second = self._save_prompt("Existing portrait", tags=["portrait"])
+        before = [self.api.db.get_prompt_by_id(pid) for pid in (first, second)]
+        response = await self.client.put(
+            f"/prompt_manager/prompts/{first}", json={"text": "  EXISTING PORTRAIT  "}
+        )
+        self.assertEqual(response.status, 409)
+        self.assertFalse((await response.json())["success"])
+        self.assertEqual(
+            [self.api.db.get_prompt_by_id(pid) for pid in (first, second)], before
+        )
+
+    async def test_edit_with_same_normalized_hash_keeps_its_identity(self):
+        pid = self._save_prompt("Original landscape")
+        response = await self.client.put(
+            f"/prompt_manager/prompts/{pid}", json={"text": "ORIGINAL LANDSCAPE"}
+        )
+        self.assertEqual(response.status, 200)
+        self.assertEqual(
+            self.api.db.get_prompt_by_id(pid)["text"], "ORIGINAL LANDSCAPE"
+        )

tests/vendor/frontend-coverage.test.mjs

@@ -0,0 +1,22 @@
+import test from 'node:test';
+import assert from 'node:assert/strict';
+import { join } from 'node:path';
+const sourceRoot = join(process.cwd(), 'web/js');
+import { checkCoverage } from '../../tools/vendor/frontend-coverage.mjs';
+const metrics = value => Object.fromEntries(['lines', 'branches', 'functions', 'statements'].map(key => [key, { pct: value }]));
+const summary = { total: metrics(90), [join(sourceRoot, 'a.js')]: metrics(85) };
+const baseline = { 'a.js': { lines: 80, branches: 80, functions: 80, statements: 80 } };
+test('coverage gate accepts measured files at or above their reviewed floor', () => {
+    assert.deepEqual(checkCoverage(summary, baseline, sourceRoot, ['a.js']), []);
+});
+test('coverage gate rejects a regression even when the aggregate percentage is high', () => {
+    assert.match(checkCoverage({ ...summary, [join(sourceRoot, 'a.js')]: metrics(70) }, baseline, sourceRoot, ['a.js']).join('\n'), /a.js.*lines/);
+});
+test('coverage gate rejects absent source files and unreviewed new files', () => {
+    assert.match(checkCoverage({ total: metrics(100) }, baseline, sourceRoot, ['a.js']).join('\n'), /missing.*a.js/i);
+    assert.match(checkCoverage(summary, baseline, sourceRoot, ['a.js', 'new.js']).join('\n'), /baseline.*new.js/i);
+});
+test('coverage gate rejects invalid baselines and missing metrics', () => {
+    assert.throws(() => checkCoverage(summary, { 'a.js': { lines: -1 } }, sourceRoot, ['a.js']), /baseline/i);
+    assert.match(checkCoverage({ total: metrics(100), [join(sourceRoot, 'a.js')]: {} }, baseline, sourceRoot, ['a.js']).join('\n'), /lines/);
+});

tests/vendor/vendor-viewerjs.test.mjs

@@ -0,0 +1,107 @@
+import test from 'node:test';
+import assert from 'node:assert/strict';
+import { mkdtempSync, mkdirSync, writeFileSync, readFileSync, rmSync } from 'node:fs';
+import { tmpdir } from 'node:os';
+import { join } from 'node:path';
+import { createHash } from 'node:crypto';
+import { syncViewer } from '../../tools/vendor/vendor-viewerjs.mjs';
+import { updateViewer } from '../../tools/vendor/update-viewerjs.mjs';
+
+function fixture(t) {
+    const root = mkdtempSync(join(tmpdir(), 'pm-vendor-'));
+    t.after(() => rmSync(root, { recursive: true, force: true }));
+    const tooling = join(root, 'tools/vendor');
+    const dependency = join(tooling, 'node_modules/viewerjs');
+    mkdirSync(join(dependency, 'dist'), { recursive: true });
+    writeFileSync(join(tooling, 'package.json'), JSON.stringify({ devDependencies: { viewerjs: '1.15.2' } }));
+    writeFileSync(join(tooling, 'package-lock.json'), JSON.stringify({ packages: {
+        'node_modules/viewerjs': { version: '1.15.2', resolved: 'https://registry.npmjs.org/viewerjs/-/viewerjs-1.15.2.tgz', integrity: 'sha512-fixture' },
+    } }));
+    writeFileSync(join(dependency, 'package.json'), JSON.stringify({ name: 'viewerjs', version: '1.15.2', license: 'MIT' }));
+    for (const name of ['viewer.min.js', 'viewer.min.css']) {
+        writeFileSync(join(dependency, 'dist', name), `/*! Viewer.js v1.15.2 */\n${name}`);
+    }
+    writeFileSync(join(dependency, 'LICENSE'), 'The MIT License (MIT)\nCopyright Chen Fengyuan\n');
+    return { root, tooling, dependency, destination: join(root, 'web/lib/viewerjs') };
+}
+
+test('sync copies pristine assets and license and records locked provenance deterministically', t => {
+    const f = fixture(t);
+    syncViewer({ root: f.root });
+    const first = readFileSync(join(f.destination, 'provenance.json'), 'utf8');
+    const record = JSON.parse(first);
+    assert.equal(record.version, '1.15.2');
+    assert.equal(record.integrity, 'sha512-fixture');
+    for (const [target, source] of Object.entries({ 'viewer.min.js': 'dist/viewer.min.js', 'viewer.min.css': 'dist/viewer.min.css', LICENSE: 'LICENSE' })) {
+        const original = readFileSync(join(f.dependency, source));
+        assert.deepEqual(readFileSync(join(f.destination, target)), original);
+        assert.equal(record.files[target].sha256, createHash('sha256').update(original).digest('hex'));
+    }
+    syncViewer({ root: f.root });
+    assert.equal(readFileSync(join(f.destination, 'provenance.json'), 'utf8'), first);
+    syncViewer({ root: f.root, check: true });
+});
+
+test('check rejects drift without overwriting local changes', t => {
+    const f = fixture(t);
+    syncViewer({ root: f.root });
+    writeFileSync(join(f.destination, 'viewer.min.js'), 'local edit');
+    assert.throws(() => syncViewer({ root: f.root, check: true }), /viewer.min.js/);
+    assert.equal(readFileSync(join(f.destination, 'viewer.min.js'), 'utf8'), 'local edit');
+    rmSync(join(f.destination, 'LICENSE'));
+    assert.throws(() => syncViewer({ root: f.root, check: true }), /LICENSE/);
+});
+
+test('sync refuses mismatched installed versions and unpinned dependencies', t => {
+    const f = fixture(t);
+    writeFileSync(join(f.dependency, 'package.json'), JSON.stringify({ name: 'viewerjs', version: '1.11.6', license: 'MIT' }));
+    assert.throws(() => syncViewer({ root: f.root }), /version/i);
+    writeFileSync(join(f.tooling, 'package.json'), JSON.stringify({ devDependencies: { viewerjs: '^1.15.2' } }));
+    assert.throws(() => syncViewer({ root: f.root }), /exact|pin/i);
+});
+
+test('sync validates every upstream asset before writing anything', t => {
+    const f = fixture(t);
+    writeFileSync(join(f.dependency, 'dist/viewer.min.css'), '/*! Viewer.js v1.11.6 */');
+    assert.throws(() => syncViewer({ root: f.root }), /version|banner/i);
+    assert.throws(() => readFileSync(join(f.destination, 'viewer.min.js')), /ENOENT/);
+});
+
+test('updater resolves the stable release and installs it exactly with lifecycle scripts disabled', t => {
+    const f = fixture(t);
+    const calls = [];
+    let synced = false;
+    const run = (args, options) => {
+        calls.push({ args, options });
+        return args[0] === 'view' ? '"1.15.3"' : '';
+    };
+    assert.equal(updateViewer({ root: f.root, run, sync: () => { synced = true; } }), '1.15.3');
+    assert.deepEqual(calls[1].args, ['install', '--save-dev', '--save-exact', '--ignore-scripts', 'viewerjs@1.15.3']);
+    assert.equal(calls[1].options.cwd, f.tooling);
+    assert.equal(synced, true);
+});
+
+test('updater is a no-op at the current release and rejects invalid version arguments', t => {
+    const f = fixture(t);
+    const run = () => { throw new Error('must not install'); };
+    assert.equal(updateViewer({ root: f.root, version: '1.15.2', run }), null);
+    for (const version of ['latest', '1.15.3-beta.1', '1.15.3;anything', '--global']) {
+        assert.throws(() => updateViewer({ root: f.root, version, run }), /version/i);
+    }
+});
+
+test('failed installation never copies vendor assets', t => {
+    const f = fixture(t);
+    let synced = false;
+    assert.throws(() => updateViewer({ root: f.root, version: '1.15.3', run: () => { throw new Error('offline'); }, sync: () => { synced = true; } }), /offline/);
+    assert.equal(synced, false);
+});
+
+test('updater accepts a single registry result array and rejects ambiguous metadata', t => {
+    const f = fixture(t);
+    const calls = [];
+    const run = args => { calls.push(args); return '["1.15.2"]'; };
+    assert.equal(updateViewer({ root: f.root, run }), null);
+    assert.equal(calls.length, 1);
+    assert.throws(() => updateViewer({ root: f.root, run: () => '["1.15.2", "1.15.3"]' }), /version/i);
+});

tools/vendor/README.md

@@ -0,0 +1,80 @@
+# Viewer.js maintenance
+
+ComfyUI serves the committed files in `web/lib/viewerjs/`. Node and npm are only
+needed by maintainers and CI. Keep upstream files pristine; application behavior
+belongs in `web/js/`, and theme overrides belong in `comfyui-theme.css`.
+
+## Install and verify
+
+Use Node 24 or newer. From the repository root:
+
+```sh
+npm ci --prefix tools/vendor --ignore-scripts
+npm run --prefix tools/vendor check
+npm run --prefix tools/vendor test
+node --test tests/js/*.test.js
+npx --prefix tools/vendor playwright install chromium
+npm run --prefix tools/vendor test:browser
+```
+
+On Linux, use `playwright install --with-deps chromium` when browser system
+libraries are missing. The browser tests use synthetic images and mock the
+ComfyUI API boundary; they run production viewer methods and the committed
+Viewer.js JS/CSS, without a running ComfyUI instance.
+
+`check` is read-only and fails if any JS, CSS, license, or provenance file differs
+from the installed package. The manifest, lockfile, installed package, and asset
+version banners must agree. The lockfile records npm's archive integrity;
+`provenance.json` records the upstream source, package integrity, and SHA-256 of
+each copied file. A normal `npm ci --ignore-scripts` verifies archive integrity.
+
+Full-page workflows, frontend coverage gates, and required merge checks are
+documented in [TESTING.md](../../TESTING.md). The `viewerjs` CI check runs both
+the fixture tests above and the real-page workflows on every PR.
+
+## Update
+
+```sh
+npm run --prefix tools/vendor update
+# Or select a specific stable version:
+npm run --prefix tools/vendor update -- --version 1.15.2
+```
+
+The command installs an exact version with lifecycle scripts disabled and copies
+`dist/viewer.min.js`, `dist/viewer.min.css`, and `LICENSE`. It writes deterministic
+provenance with no timestamps. Repeat the checks above and commit the manifest,
+lockfile, and all vendor files together. To regenerate files from the current
+pin without changing versions, run `npm run --prefix tools/vendor sync`.
+
+## Automated update PRs
+
+`Update vendored Viewer.js` checks npm's stable release daily at 07:30 UTC and
+supports **Actions → Update vendored Viewer.js → Run workflow**, with an optional
+version. It tests the generated update before opening `deps/viewerjs-X.Y.Z`.
+Existing open or closed PRs for that release are left alone. A failed test does
+not publish a branch or PR. Changes require review; the workflow never merges
+or approves PRs.
+
+The organization and repository must enable **Actions → General → Workflow
+permissions → Allow GitHub Actions to create and approve pull requests**.
+Keep default workflow permissions read-only. Only the update job requests
+`contents: write`, `pull-requests: write`, and `actions: write`.
+
+The workflow uses `GITHUB_TOKEN`; no personal token is needed. Because bot-token
+pushes do not normally trigger other workflows, it explicitly dispatches the
+read-only `Viewer.js vendor and compatibility` workflow on the update branch.
+Both workflow files must be merged into the default branch before scheduling or
+manual dispatch becomes available.
+
+## Compatibility checklist
+
+Check gallery grid/list views, navigation across 100-image windows, metadata,
+slideshow/fullscreen, keyboard navigation, Escape and focus cleanup. Check the
+admin gallery/filmstrip and tag viewer. On touch devices, test long swipes,
+short drags, and pinch/rotate gestures. Confirm the ComfyUI theme remains usable.
+
+The gallery keeps its bounded viewer and custom slideshow. Upstream navbar
+windowing is not a replacement for bounding the supplied image list: native
+slideshow playback can still preload every supplied original. Review new
+preloading defaults, gesture behavior, CSS changes, and any adapter use of
+Viewer.js internal methods before adopting another release.

tools/vendor/browser-coverage.mjs

@@ -0,0 +1,22 @@
+import { mkdirSync, writeFileSync } from 'node:fs';
+import { join } from 'node:path';
+import { pathToFileURL } from 'node:url';
+import { randomUUID } from 'node:crypto';
+import { repositoryRoot } from './vendor-viewerjs.mjs';
+
+export async function startCoverage(page, browserName) {
+    if (process.env.PM_JS_COVERAGE && browserName === 'chromium') {
+        await page.coverage.startJSCoverage({ resetOnNavigation: false });
+    }
+}
+export async function saveCoverage(page, browserName) {
+    if (!process.env.PM_JS_COVERAGE || browserName !== 'chromium') return;
+    const entries = await page.coverage.stopJSCoverage();
+    const result = [];
+    for (const entry of entries) {
+        const match = entry.url.match(/\/prompt_manager\/js\/([a-z0-9-]+\.js)(?:\?.*)?$/i);
+        if (match) result.push({ ...entry, url: pathToFileURL(join(repositoryRoot, 'web/js', match[1])).href });
+    }
+    mkdirSync(process.env.PM_JS_COVERAGE, { recursive: true });
+    writeFileSync(join(process.env.PM_JS_COVERAGE, `browser-${randomUUID()}.json`), JSON.stringify({ result }));
+}

tools/vendor/frontend-coverage-baseline.json

@@ -0,0 +1,104 @@
+{
+  "admin.js": {
+    "lines": 24,
+    "branches": 53,
+    "functions": 20,
+    "statements": 24
+  },
+  "api-client.js": {
+    "lines": 98,
+    "branches": 94,
+    "functions": 98,
+    "statements": 98
+  },
+  "comfy-metadata.js": {
+    "lines": 97,
+    "branches": 90,
+    "functions": 98,
+    "statements": 97
+  },
+  "data-actions.js": {
+    "lines": 98,
+    "branches": 98,
+    "functions": 98,
+    "statements": 98
+  },
+  "gallery-settings.js": {
+    "lines": 98,
+    "branches": 90,
+    "functions": 98,
+    "statements": 98
+  },
+  "gallery.js": {
+    "lines": 39,
+    "branches": 63,
+    "functions": 43,
+    "statements": 39
+  },
+  "html-escape.js": {
+    "lines": 98,
+    "branches": 98,
+    "functions": 98,
+    "statements": 98
+  },
+  "image-helpers.js": {
+    "lines": 96,
+    "branches": 91,
+    "functions": 98,
+    "statements": 96
+  },
+  "list-state.js": {
+    "lines": 98,
+    "branches": 92,
+    "functions": 98,
+    "statements": 98
+  },
+  "png-metadata.js": {
+    "lines": 98,
+    "branches": 90,
+    "functions": 98,
+    "statements": 98
+  },
+  "prompt-list-sort.js": {
+    "lines": 98,
+    "branches": 98,
+    "functions": 98,
+    "statements": 98
+  },
+  "scan-progress.js": {
+    "lines": 97,
+    "branches": 91,
+    "functions": 98,
+    "statements": 97
+  },
+  "sse-stream.js": {
+    "lines": 98,
+    "branches": 90,
+    "functions": 98,
+    "statements": 98
+  },
+  "tag-autocomplete.js": {
+    "lines": 98,
+    "branches": 94,
+    "functions": 98,
+    "statements": 98
+  },
+  "tags-page.js": {
+    "lines": 57,
+    "branches": 48,
+    "functions": 56,
+    "statements": 57
+  },
+  "theme-bridge.js": {
+    "lines": 90,
+    "branches": 53,
+    "functions": 98,
+    "statements": 90
+  },
+  "view-router.js": {
+    "lines": 98,
+    "branches": 98,
+    "functions": 98,
+    "statements": 98
+  }
+}

tools/vendor/frontend-coverage.mjs

@@ -0,0 +1,76 @@
+import { readFileSync, readdirSync, mkdirSync, rmSync, writeFileSync } from 'node:fs';
+import { dirname, join, relative } from 'node:path';
+import { fileURLToPath, pathToFileURL } from 'node:url';
+import { spawnSync } from 'node:child_process';
+import { repositoryRoot } from './vendor-viewerjs.mjs';
+
+const metrics = ['lines', 'branches', 'functions', 'statements'];
+export function checkCoverage(summary, baseline, sourceRoot, files) {
+    const failures = [];
+    for (const file of files) {
+        const floor = baseline[file];
+        if (!floor) { failures.push(`Missing baseline for ${file}`); continue; }
+        const measured = summary[join(sourceRoot, file)];
+        if (!measured) { failures.push(`Missing coverage for ${file}`); continue; }
+        for (const metric of metrics) {
+            if (!Number.isFinite(floor[metric]) || floor[metric] < 0 || floor[metric] > 100) {
+                throw new Error(`Invalid baseline for ${file}: ${metric}`);
+            }
+            if (!Number.isFinite(measured[metric]?.pct) || measured[metric].pct < floor[metric]) {
+                failures.push(`${file} ${metric}: ${measured[metric]?.pct ?? 'missing'} < ${floor[metric]}`);
+            }
+        }
+    }
+    return failures;
+}
+
+function run(args, env = {}) {
+    const result = spawnSync(process.execPath, args, { cwd: repositoryRoot, stdio: 'inherit',
+        env: { ...process.env, ...env } });
+    if (result.status !== 0) throw new Error(`Command failed (${result.status}): ${args.join(' ')}`);
+}
+
+async function main() {
+    const tools = dirname(fileURLToPath(import.meta.url));
+    const reportRoot = join(repositoryRoot, 'coverage/js');
+    const raw = join(reportRoot, 'raw');
+    const sourceRoot = join(repositoryRoot, 'web/js');
+    const files = readdirSync(sourceRoot).filter(file => file.endsWith('.js')).sort();
+    rmSync(reportRoot, { recursive: true, force: true });
+    mkdirSync(raw, { recursive: true });
+    const tests = readdirSync(join(repositoryRoot, 'tests/js')).filter(file => file.endsWith('.test.js')).map(file => `tests/js/${file}`);
+    run(['--test', ...tests], { NODE_V8_COVERAGE: raw });
+    const playwright = join(tools, 'node_modules/@playwright/test/cli.js');
+    run([playwright, 'test', '--config', join(tools, 'playwright.config.mjs')]);
+    run([playwright, 'test', '--config', join(tools, 'playwright.workflows.config.mjs'),
+        '--project', 'chromium', '--project', 'touch'], { PM_JS_COVERAGE: raw });
+    run([join(tools, 'node_modules/c8/bin/c8.js'), 'report', '--all', '--src', sourceRoot,
+        '--include', 'web/js/*.js', '--temp-directory', raw, '--reports-dir', reportRoot,
+        '--reporter', 'text', '--reporter', 'json-summary', '--reporter', 'html']);
+    const summary = JSON.parse(readFileSync(join(reportRoot, 'coverage-summary.json'), 'utf8'));
+    const baselinePath = join(tools, 'frontend-coverage-baseline.json');
+    if (process.argv.includes('--update-baseline')) {
+        const previous = JSON.parse(readFileSync(baselinePath, 'utf8'));
+        const failures = checkCoverage(summary, previous, sourceRoot, files.filter(file => previous[file]));
+        if (failures.length) throw new Error(`Baseline updates cannot lower coverage:\n${failures.join('\n')}`);
+        const next = Object.fromEntries(files.map(file => {
+            const measured = summary[join(sourceRoot, file)];
+            if (!measured || metrics.some(metric => !Number.isFinite(measured[metric]?.pct))) {
+                throw new Error(`Missing coverage for ${file}`);
+            }
+            if (Object.keys(previous).length && !previous[file] && measured.lines.pct < 80) {
+                throw new Error(`New frontend files need at least 80% line coverage: ${file}`);
+            }
+            return [file, Object.fromEntries(metrics.map(metric => [metric, Math.max(previous[file]?.[metric] || 0, Math.floor(measured[metric].pct) - 2, 0)]))];
+        }));
+        writeFileSync(baselinePath, JSON.stringify(next, null, 2) + '\n');
+    } else {
+        const baseline = JSON.parse(readFileSync(baselinePath, 'utf8'));
+        const failures = checkCoverage(summary, baseline, sourceRoot, files);
+        if (failures.length) throw new Error(`Frontend coverage regressed:\n${failures.join('\n')}`);
+    }
+    console.log(`Frontend coverage passed for ${files.length} files. Report: ${relative(repositoryRoot, reportRoot)}/index.html`);
+}
+if (process.argv[1] && import.meta.url === pathToFileURL(process.argv[1]).href) {
+    main().catch(error => { console.error(error.message); process.exitCode = 1; });
+}

tools/vendor/package-lock.json

@@ -0,0 +1,792 @@
+{
+  "name": "promptmanager-vendor-tools",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "promptmanager-vendor-tools",
+      "version": "1.0.0",
+      "devDependencies": {
+        "@playwright/test": "1.64.1",
+        "c8": "12.0.0",
+        "viewerjs": "1.15.2"
+      }
+    },
+    "node_modules/@bcoe/v8-coverage": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/@bcoe/v8-coverage/-/v8-coverage-1.0.2.tgz",
+      "integrity": "sha512-6zABk/ECA/QYSCQ1NGiVwwbQerUCZ+TQbp64Q3AgmfNvurHH0j8TtXa1qbShXA6qqkpAj4V5W8pP6mLe1mcMqA==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=18"
+      }
+    },
+    "node_modules/@istanbuljs/schema": {
+      "version": "0.1.6",
+      "resolved": "https://registry.npmjs.org/@istanbuljs/schema/-/schema-0.1.6.tgz",
+      "integrity": "sha512-+Sg6GCR/wy1oSmQDFq4LQDAhm3ETKnorxN+y5nbLULOR3P0c14f2Wurzj3/xqPXtasLFfHd5iRFQ7AJt4KH2cw==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=8"
+      }
+    },
+    "node_modules/@jridgewell/resolve-uri": {
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/@jridgewell/resolve-uri/-/resolve-uri-3.1.2.tgz",
+      "integrity": "sha512-bRISgCIjP20/tbWSPWMEi54QVPRZExkuD9lJL+UIxUKtwVJA8wW1Trb1jMs1RFXo1CBTNZ/5hpC9QvmKWdopKw==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=6.0.0"
+      }
+    },
+    "node_modules/@jridgewell/sourcemap-codec": {
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/@jridgewell/sourcemap-codec/-/sourcemap-codec-1.6.0.tgz",
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+      "dev": true,
+      "license": "MIT"
+    },
+    "node_modules/@jridgewell/trace-mapping": {
+      "version": "0.3.31",
+      "resolved": "https://registry.npmjs.org/@jridgewell/trace-mapping/-/trace-mapping-0.3.31.tgz",
+      "integrity": "sha512-zzNR+SdQSDJzc8joaeP8QQoCQr8NuYx2dIIytl1QeBEZHJ9uW6hebsrYgbz8hJwUQao3TWCMtmfV8Nu1twOLAw==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@jridgewell/resolve-uri": "^3.1.0",
+        "@jridgewell/sourcemap-codec": "^1.4.14"
+      }
+    },
+    "node_modules/@playwright/test": {
+      "version": "1.64.1",
+      "resolved": "https://registry.npmjs.org/@playwright/test/-/test-1.64.1.tgz",
+      "integrity": "sha512-IaYGml/nSOiZWROfPtuIL7neuu9qDOZ3TNvNljUIrhDMxiGTgPjzj/g9p9RxpS2tSepPDRY+UwAaEeiKtUvIAg==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "dependencies": {
+        "playwright": "1.64.1"
+      },
+      "bin": {
+        "playwright": "cli.js"
+      },
+      "engines": {
+        "node": ">=20"
+      }
+    },
+    "node_modules/@types/istanbul-lib-coverage": {
+      "version": "2.0.6",
+      "resolved": "https://registry.npmjs.org/@types/istanbul-lib-coverage/-/istanbul-lib-coverage-2.0.6.tgz",
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+      "dev": true,
+      "license": "MIT"
+    },
+    "node_modules/ansi-regex": {
+      "version": "6.4.0",
+      "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-6.4.0.tgz",
+      "integrity": "sha512-KzTVk2tCWAHtYrvvvaP8bJKJq2pVinhLcGEQdtLIYPbmNGNyYe8QwNaTUYQp2J7/vIsUKt5QCqAfUkYyG9DkOw==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/chalk/ansi-regex?sponsor=1"
+      }
+    },
+    "node_modules/ansi-styles": {
+      "version": "6.2.3",
+      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-6.2.3.tgz",
+      "integrity": "sha512-4Dj6M28JB+oAH8kFkTLUo+a2jwOFkuqb3yucU0CANcRRUbxS0cP0nZYCGjcc3BNXwRIsUVmDGgzawme7zvJHvg==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/chalk/ansi-styles?sponsor=1"
+      }
+    },
+    "node_modules/balanced-match": {
+      "version": "4.0.4",
+      "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-4.0.4.tgz",
+      "integrity": "sha512-BLrgEcRTwX2o6gGxGOCNyMvGSp35YofuYzw9h1IMTRmKqttAZZVU67bdb9Pr2vUHA8+j3i2tJfjO6C6+4myGTA==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": "18 || 20 || >=22"
+      }
+    },
+    "node_modules/brace-expansion": {
+      "version": "5.0.12",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-5.0.12.tgz",
+      "integrity": "sha512-YovQ3rzhaLMIrDjNDMkNS01tea93qhEhG5xy8f6+R0l+dw3Ki+5sCoIoI942iuLZTHWogWktgwVDhU09iNEimQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "balanced-match": "^4.0.2"
+      },
+      "engines": {
+        "node": "20 || >=22"
+      }
+    },
+    "node_modules/c8": {
+      "version": "12.0.0",
+      "resolved": "https://registry.npmjs.org/c8/-/c8-12.0.0.tgz",
+      "integrity": "sha512-4zpJvrd1nKWutnnKC2pXkFmb6iM1l+ffN//o1CzlTNwW7GSOs9a1xrLqkC48nU8oEkjmPZLPiwMsIaOvoF4Pqg==",
+      "dev": true,
+      "license": "ISC",
+      "dependencies": {
+        "@bcoe/v8-coverage": "^1.0.1",
+        "@istanbuljs/schema": "^0.1.3",
+        "find-up": "^5.0.0",
+        "foreground-child": "^3.1.1",
+        "istanbul-lib-coverage": "^3.2.0",
+        "istanbul-lib-report": "^3.0.1",
+        "istanbul-reports": "^3.1.6",
+        "test-exclude": "^8.0.0",
+        "v8-to-istanbul": "^9.0.0",
+        "yargs": "^18.0.0",
+        "yargs-parser": "^21.1.1"
+      },
+      "bin": {
+        "c8": "bin/c8.js"
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+      "license": "MIT",
+      "dependencies": {
+        "has-flag": "^4.0.0"
+      },
+      "engines": {
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+      "dependencies": {
+        "@istanbuljs/schema": "^0.1.2",
+        "glob": "^13.0.6",
+        "minimatch": "^10.2.2"
+      },
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+        "@types/istanbul-lib-coverage": "^2.0.1",
+        "convert-source-map": "^2.0.0"
+      },
+      "engines": {
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+      }
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+      "resolved": "https://registry.npmjs.org/viewerjs/-/viewerjs-1.15.2.tgz",
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+      "dev": true,
+      "license": "MIT"
+    },
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+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
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+      "dev": true,
+      "license": "ISC",
+      "dependencies": {
+        "isexe": "^2.0.0"
+      },
+      "bin": {
+        "node-which": "bin/node-which"
+      },
+      "engines": {
+        "node": ">= 8"
+      }
+    },
+    "node_modules/wrap-ansi": {
+      "version": "9.0.2",
+      "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-9.0.2.tgz",
+      "integrity": "sha512-42AtmgqjV+X1VpdOfyTGOYRi0/zsoLqtXQckTmqTeybT+BDIbM/Guxo7x3pE2vtpr1ok6xRqM9OpBe+Jyoqyww==",
+      "dev": true,
+      "license": "MIT",
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+        "string-width": "^7.0.0",
+        "strip-ansi": "^7.1.0"
+      },
+      "engines": {
+        "node": ">=18"
+      },
+      "funding": {
+        "url": "https://github.com/chalk/wrap-ansi?sponsor=1"
+      }
+    },
+    "node_modules/wrap-ansi/node_modules/string-width": {
+      "version": "7.2.0",
+      "resolved": "https://registry.npmjs.org/string-width/-/string-width-7.2.0.tgz",
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+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "emoji-regex": "^10.3.0",
+        "get-east-asian-width": "^1.0.0",
+        "strip-ansi": "^7.1.0"
+      },
+      "engines": {
+        "node": ">=18"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/y18n": {
+      "version": "5.0.8",
+      "resolved": "https://registry.npmjs.org/y18n/-/y18n-5.0.8.tgz",
+      "integrity": "sha512-0pfFzegeDWJHJIAmTLRP2DwHjdF5s7jo9tuztdQxAhINCdvS+3nGINqPd00AphqJR/0LhANUS6/+7SCb98YOfA==",
+      "dev": true,
+      "license": "ISC",
+      "engines": {
+        "node": ">=10"
+      }
+    },
+    "node_modules/yargs": {
+      "version": "18.2.0",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-18.2.0.tgz",
+      "integrity": "sha512-9OpKOLeaoNFecEp7P6iYbzze/5CqWoH7N3SMs/6y1XF4nMvFMspEGZzJ6uFi9MmQwXhyzqYoSEKO3tvA3Z/o2w==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "cliui": "^9.0.1",
+        "escalade": "^3.1.1",
+        "get-caller-file": "^2.0.5",
+        "string-width": "^8.2.1",
+        "y18n": "^5.0.5",
+        "yargs-parser": "^22.0.0"
+      },
+      "engines": {
+        "node": "^20.19.0 || ^22.12.0 || >=23"
+      }
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+      "version": "21.1.1",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-21.1.1.tgz",
+      "integrity": "sha512-tVpsJW7DdjecAiFpbIB1e3qxIQsE6NoPc5/eTdrbbIC4h0LVsWhnoa3g+m2HclBIujHzsxZ4VJVA+GUuc2/LBw==",
+      "dev": true,
+      "license": "ISC",
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/yargs/node_modules/yargs-parser": {
+      "version": "22.0.0",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-22.0.0.tgz",
+      "integrity": "sha512-rwu/ClNdSMpkSrUb+d6BRsSkLUq1fmfsY6TOpYzTwvwkg1/NRG85KBy3kq++A8LKQwX6lsu+aWad+2khvuXrqw==",
+      "dev": true,
+      "license": "ISC",
+      "engines": {
+        "node": "^20.19.0 || ^22.12.0 || >=23"
+      }
+    },
+    "node_modules/yocto-queue": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/yocto-queue/-/yocto-queue-0.1.0.tgz",
+      "integrity": "sha512-rVksvsnNCdJ/ohGc6xgPwyN8eheCxsiLM8mxuE/t/mOVqJewPuO1miLpTHQiRgTKCLexL4MeAFVagts7HmNZ2Q==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    }
+  }
+}

tools/vendor/package.json

@@ -0,0 +1,21 @@
+{
+  "name": "promptmanager-vendor-tools",
+  "private": true,
+  "version": "1.0.0",
+  "description": "Maintainer-only tools for reproducible browser dependencies",
+  "scripts": {
+    "sync": "node vendor-viewerjs.mjs",
+    "check": "node vendor-viewerjs.mjs --check",
+    "update": "node update-viewerjs.mjs",
+    "test": "node --test ../../tests/vendor/*.test.mjs",
+    "test:browser": "playwright test --config playwright.config.mjs",
+    "test:workflows": "playwright test --config playwright.workflows.config.mjs",
+    "test:coverage": "node frontend-coverage.mjs",
+    "coverage:update": "node frontend-coverage.mjs --update-baseline"
+  },
+  "devDependencies": {
+    "@playwright/test": "1.64.1",
+    "c8": "12.0.0",
+    "viewerjs": "1.15.2"
+  }
+}

tools/vendor/playwright.config.mjs

@@ -0,0 +1,17 @@
+import { defineConfig } from '@playwright/test';
+
+export default defineConfig({
+    testDir: './tests',
+    outputDir: './test-results/viewer',
+    testMatch: '*.spec.mjs',
+    fullyParallel: true,
+    workers: 2,
+    forbidOnly: Boolean(process.env.CI),
+    retries: process.env.CI ? 1 : 0,
+    reporter: 'list',
+    use: { browserName: 'chromium', headless: true, trace: 'retain-on-failure' },
+    projects: [
+        { name: 'desktop', use: { viewport: { width: 1280, height: 800 } } },
+        { name: 'touch', use: { viewport: { width: 800, height: 700 }, hasTouch: true, isMobile: true } },
+    ],
+});

tools/vendor/playwright.workflows.config.mjs

@@ -0,0 +1,27 @@
+import { defineConfig, devices } from '@playwright/test';
+import { repositoryRoot } from './vendor-viewerjs.mjs';
+const port = Number(process.env.PM_TEST_PORT || 8765);
+export default defineConfig({
+    testDir: '../../tests/browser',
+    outputDir: './test-results/workflows',
+    testMatch: '*.spec.mjs',
+    workers: 1,
+    fullyParallel: false,
+    forbidOnly: Boolean(process.env.CI),
+    retries: 0,
+    reporter: 'list',
+    use: { baseURL: `http://127.0.0.1:${port}`, trace: 'retain-on-failure', screenshot: 'only-on-failure' },
+    webServer: {
+        command: `node tools/vendor/start-browser-server.mjs --port ${port}`,
+        cwd: repositoryRoot,
+        url: `http://127.0.0.1:${port}/prompt_manager/test`,
+        reuseExistingServer: false,
+        gracefulShutdown: { signal: 'SIGTERM', timeout: 5000 },
+    },
+    projects: [
+        { name: 'chromium', use: { browserName: 'chromium' } },
+        { name: 'firefox', use: { browserName: 'firefox' } },
+        { name: 'webkit', use: { browserName: 'webkit' } },
+        { name: 'touch', use: { ...devices['Pixel 7'], browserName: 'chromium' } },
+    ],
+});

tools/vendor/start-browser-server.mjs

@@ -0,0 +1,8 @@
+import { spawn } from 'node:child_process';
+const child = spawn(process.env.PM_TEST_PYTHON || 'python',
+    ['-m', 'tests.browser.server', ...process.argv.slice(2)], { stdio: 'inherit' });
+child.on('error', error => { console.error(error.message); process.exitCode = 1; });
+child.on('exit', code => { process.exitCode = code ?? 1; });
+for (const signal of ['SIGTERM', 'SIGINT']) {
+    process.once(signal, () => child.kill(signal));
+}

tools/vendor/tests/viewer.spec.mjs

@@ -0,0 +1,270 @@
+import { test, expect } from '@playwright/test';
+import { readFileSync } from 'node:fs';
+import { join } from 'node:path';
+import { repositoryRoot as root } from '../vendor-viewerjs.mjs';
+
+const source = file => readFileSync(join(root, file), 'utf8');
+
+async function waitForImage(page, index) {
+    await expect.poll(() => page.evaluate(() => window.gallery.viewer?.viewed)).toBe(true);
+    await expect.poll(() => page.evaluate(() => window.gallery.lastMetadata)).toContain(`/original/${index}.svg`);
+}
+
+async function loadGallery(page) {
+    await page.addScriptTag({ content: source('web/js/gallery.js') + '\nwindow.TestGallery = GalleryManager;' });
+    await page.evaluate(() => {
+        const manager = window.gallery = Object.create(TestGallery.prototype);
+        Object.assign(manager, {
+            viewer: null, viewMode: 'grid',
+            images: Array.from({ length: 2000 }, (_, i) => ({ filename: `${i}.svg`,
+                url: `http://viewer.test/original/${i}.svg`, thumbnail_url: `http://viewer.test/thumb/${i}.svg`,
+                relative_path: `${i}.svg`, size: 100, modified_time: 1 })),
+            getSettings: () => ({ showImageInfo: true }),
+            loadImageMetadata(url, content) { this.lastMetadata = url; content.textContent = url; },
+        });
+        manager.renderGallery();
+    });
+}
+
+test.beforeEach(async ({ page }) => {
+    page.viewerErrors = [];
+    page.on('pageerror', error => page.viewerErrors.push(error.message));
+    await page.route('http://viewer.test/**', route => route.request().resourceType() === 'document'
+        ? route.fulfill({ contentType: 'text/html', body: '<head><meta name="viewport" content="width=device-width, initial-scale=1"></head><body><button id="outside">Outside</button><div id="galleryGrid"></div><div id="galleryList"></div><div id="loadingState"></div><div id="errorState"></div><div id="galleryContent"></div><div id="galleryEmpty"></div><h1 id="galleryTitle"></h1></body>' })
+        : route.fulfill({ contentType: 'image/svg+xml', body: '<svg xmlns="http://www.w3.org/2000/svg" width="128" height="128"><rect width="128" height="128" fill="teal"/></svg>' }));
+    await page.goto('http://viewer.test/');
+    await page.addStyleTag({ path: join(root, 'web/lib/tailwind/comfyui-theme.css') });
+    await page.addStyleTag({ path: join(root, 'web/lib/tailwind/styles.css') });
+    await page.addStyleTag({ path: join(root, 'web/lib/viewerjs/viewer.min.css') });
+    await page.addStyleTag({ content: '.hidden{display:none} #galleryGrid{display:grid;grid-template-columns:repeat(8,1fr)} #galleryGrid img{width:100px;height:100px}' });
+    for (const file of ['web/lib/viewerjs/viewer.min.js', 'web/js/html-escape.js', 'web/js/image-helpers.js', 'web/js/api-client.js']) {
+        await page.addScriptTag({ path: join(root, file) });
+    }
+});
+
+test.afterEach(async ({ page }) => {
+    expect(page.viewerErrors).toEqual([]);
+});
+
+test('gallery retains cards and navigates across bounded windows with correct metadata', async ({ page }) => {
+    await loadGallery(page);
+    await page.locator('[data-image-index="1500"]').click();
+    await waitForImage(page, 1500);
+    expect(await page.evaluate(() => gallery.viewer.length)).toBeLessThanOrEqual(100);
+    expect(await page.evaluate(() => {
+        const first = document.querySelector('.image-item');
+        gallery.images.push({ ...gallery.images[0], filename: 'appended.svg' });
+        gallery.renderGallery({ from: 2000 });
+        return first === document.querySelector('.image-item');
+    })).toBe(true);
+    await page.evaluate(() => gallery.viewer.view(99));
+    await waitForImage(page, 1549);
+    await page.keyboard.press('ArrowRight');
+    await waitForImage(page, 1550);
+    await page.keyboard.press('ArrowLeft');
+    await waitForImage(page, 1549);
+    await page.keyboard.press('Escape');
+    await expect.poll(() => page.evaluate(() => gallery.viewer.isShown)).toBe(false);
+    await expect(page.locator('#metadata-sidebar')).toHaveCount(0);
+    await page.locator('#outside').focus();
+    await expect(page.locator('#outside')).toBeFocused();
+});
+
+test('gallery slideshow advances without preloading the collection and cleans up on close', async ({ page }) => {
+    await loadGallery(page);
+    await page.evaluate(() => gallery.openViewer(1500));
+    await waitForImage(page, 1500);
+    await page.clock.install();
+    await page.locator('[data-viewer-action="play"]').click();
+    expect(await page.evaluate(() => gallery.slideshowPlaying)).toBe(true);
+    await expect(page.locator('.viewer-player img')).toHaveCount(0);
+    await page.clock.fastForward(5000);
+    await waitForImage(page, 1501);
+    await page.locator('[data-viewer-action="play"]').click();
+    expect(await page.evaluate(() => gallery.slideshowPlaying)).toBe(false);
+    await page.keyboard.press('Escape');
+    await expect.poll(() => page.evaluate(() => gallery.viewer.isShown)).toBe(false);
+    await page.evaluate(() => gallery.destroyViewer());
+    await expect(page.locator('.viewer-container')).toHaveCount(0);
+});
+
+test('admin gallery and filmstrip use the real viewer events and destroy temporary containers', async ({ page }) => {
+    // Exercise the production class without starting the ComfyUI dashboard bootstrap.
+    const adminSource = source('web/js/admin.js');
+    await page.addScriptTag({ content: adminSource.slice(0, adminSource.indexOf('        function startAdmin()')) + '\nwindow.TestAdmin = PromptAdmin;' });
+    await page.evaluate(async () => {
+        const admin = window.admin = Object.create(TestAdmin.prototype);
+        const images = Array.from({ length: 3 }, (_, i) => ({ filename: `${i}.svg`, url: `http://viewer.test/original/${i}.svg`, size: 100, created_at: 1 }));
+        Object.assign(admin, {
+            prompts: [{ id: 1, text: 'test' }],
+            getImageUrl: image => image.url,
+            loadFilmStripImages: async () => images,
+            addMetadataSidebar() {},
+            loadMetadataForImage(image) { this.lastMetadata = image.src; },
+        });
+        await admin.openFilmStripViewer(1, 1);
+    });
+    await expect.poll(() => page.evaluate(() => admin.lastMetadata)).toContain('/1.svg');
+    await page.keyboard.press('ArrowRight');
+    await expect.poll(() => page.evaluate(() => admin.lastMetadata)).toContain('/2.svg');
+    await page.keyboard.press('Escape');
+    await expect(page.locator('#filmStripViewerContainer')).toHaveCount(0);
+    await expect(page.locator('.viewer-container')).toHaveCount(0);
+    await page.evaluate(() => admin.renderGallery([{ filename: 'a.svg', url: 'http://viewer.test/original/0.svg', size: 100, created_at: 1 }], 1));
+    await expect.poll(() => page.evaluate(() => Boolean(admin.galleryViewer))).toBe(true);
+    await page.evaluate(() => admin.galleryViewer.show());
+    await expect.poll(() => page.evaluate(() => admin.galleryViewer.viewed)).toBe(true);
+    await page.keyboard.press('Escape');
+    await expect.poll(() => page.evaluate(() => admin.galleryViewer.isShown)).toBe(false);
+    await page.evaluate(() => admin.galleryViewer.destroy());
+});
+
+test('tag viewer opens at the selected image and cleans up on Escape', async ({ page }) => {
+    await page.addScriptTag({ path: join(root, 'web/js/tags-page.js') });
+    await page.evaluate(async () => {
+        const tags = Object.create(TagsPageManager.prototype);
+        tags.admin = { getImageUrl: image => image.url };
+        await tags.openImageViewer({ images: [0, 1, 2].map(i => ({ filename: `${i}.svg`, url: `http://viewer.test/original/${i}.svg` })), image_count: 3 }, 1);
+    });
+    await expect(page.locator('.viewer-canvas img')).toHaveAttribute('src', /\/1.svg$/);
+    await page.keyboard.press('ArrowRight');
+    await expect(page.locator('.viewer-canvas img')).toHaveAttribute('src', /\/2.svg$/);
+    await page.keyboard.press('Escape');
+    await expect(page.locator('.viewer-container')).toHaveCount(0);
+});
+
+test('touch swipes navigate the gallery and restore short drags', async ({ page, isMobile }) => {
+    test.skip(!isMobile, 'Touch interaction project');
+    await loadGallery(page);
+    await page.evaluate(() => gallery.openViewer(1500));
+    await waitForImage(page, 1500);
+    await page.locator('.metadata-collapse-btn').click();
+    await expect(page.locator('.metadata-sidebar')).toHaveClass(/collapsed/);
+    const session = await page.context().newCDPSession(page);
+    const width = await page.evaluate(() => gallery.viewer.viewerData.width);
+    const swipe = async distance => {
+        await session.send('Input.dispatchTouchEvent', { type: 'touchStart', touchPoints: [{ x: width * 0.9, y: 220 }] });
+        for (let step = 1; step <= 8; step++) {
+            await session.send('Input.dispatchTouchEvent', { type: 'touchMove', touchPoints: [{ x: width * 0.9 - distance * step / 8, y: 220 }] });
+        }
+        await session.send('Input.dispatchTouchEvent', { type: 'touchEnd', touchPoints: [] });
+    };
+    await swipe(width * 0.8);
+    await waitForImage(page, 1501);
+    const initialX = await page.evaluate(() => gallery.viewer.imageData.x);
+    await swipe(width * 0.1);
+    await waitForImage(page, 1501);
+    await expect.poll(() => page.evaluate(() => gallery.viewer.imageData.x)).toBe(initialX);
+});
+
+test('touch pinch zoom and rotation remain usable', async ({ page, isMobile }) => {
+    test.skip(!isMobile, 'Touch interaction project');
+    await loadGallery(page);
+    await page.evaluate(() => gallery.openViewer(1500));
+    await waitForImage(page, 1500);
+    await page.locator('.metadata-collapse-btn').click();
+    await expect(page.locator('.metadata-sidebar')).toHaveClass(/collapsed/);
+    const session = await page.context().newCDPSession(page);
+    const points = (radius, angle = 0) => [-1, 1].map((sign, id) => ({
+        id, x: 400 + sign * radius * Math.cos(angle), y: 220 + sign * radius * Math.sin(angle),
+    }));
+    await session.send('Input.dispatchTouchEvent', { type: 'touchStart', touchPoints: points(30) });
+    for (let step = 1; step <= 6; step++) {
+        await session.send('Input.dispatchTouchEvent', { type: 'touchMove', touchPoints: points(30 + step * 8) });
+    }
+    await session.send('Input.dispatchTouchEvent', { type: 'touchEnd', touchPoints: [] });
+    await expect.poll(() => page.evaluate(() => gallery.viewer.imageData.ratio > 1.2)).toBe(true);
+    await session.send('Input.dispatchTouchEvent', { type: 'touchStart', touchPoints: points(70) });
+    for (let step = 1; step <= 8; step++) {
+        await session.send('Input.dispatchTouchEvent', { type: 'touchMove', touchPoints: points(70, Math.PI / 2 * step / 8) });
+    }
+    await session.send('Input.dispatchTouchEvent', { type: 'touchEnd', touchPoints: [] });
+    await expect.poll(() => page.evaluate(() => Math.abs(gallery.viewer.imageData.rotate))).toBe(90);
+});
+
+test('metadata follows the selected image when responses finish out of order', async ({ page }) => {
+    await loadGallery(page);
+    await page.evaluate(() => {
+        delete gallery.loadImageMetadata;
+        window.metadataRequests = new Map();
+        gallery.extractImageMetadata = url => new Promise(resolve => metadataRequests.set(url, resolve));
+        gallery.openViewer(0);
+    });
+    await expect.poll(() => page.evaluate(() => metadataRequests.has('http://viewer.test/original/0.svg'))).toBe(true);
+    await page.evaluate(() => gallery.viewer.next());
+    await expect.poll(() => page.evaluate(() => metadataRequests.has('http://viewer.test/original/1.svg'))).toBe(true);
+    await page.evaluate(() => metadataRequests.get('http://viewer.test/original/1.svg')({ positivePrompt: 'Selected prompt' }));
+    await expect(page.locator('#metadata-content')).toContainText('Selected prompt');
+    await page.evaluate(() => metadataRequests.get('http://viewer.test/original/0.svg')({ positivePrompt: 'Stale prompt' }));
+    await expect(page.locator('#metadata-content')).toContainText('Selected prompt');
+    await expect(page.locator('#metadata-content')).not.toContainText('Stale prompt');
+    expect(await page.evaluate(() => gallery.currentMetadata.positivePrompt)).toBe('Selected prompt');
+    await page.evaluate(() => gallery.viewer.next());
+    await expect.poll(() => page.evaluate(() => metadataRequests.has('http://viewer.test/original/2.svg'))).toBe(true);
+    await page.keyboard.press('Escape');
+    await expect(page.locator('#metadata-sidebar')).toHaveCount(0);
+    await page.evaluate(() => metadataRequests.get('http://viewer.test/original/2.svg')({ positivePrompt: 'Closed prompt' }));
+    expect(await page.evaluate(() => gallery.currentMetadata)).toBeNull();
+});
+
+for (const mode of ['gallery', 'filmstrip']) {
+    test(`admin ${mode} metadata ignores stale responses and clears copy state on close`, async ({ page }) => {
+        const urlFor = index => mode === 'gallery' ? `http://viewer.test/prompt_manager/images/${index}/file` : `http://viewer.test/original/${index}.svg`;
+        const adminSource = source('web/js/admin.js');
+        await page.addScriptTag({ content: adminSource.slice(0, adminSource.indexOf('        function startAdmin()')) + '\nwindow.TestAdmin = PromptAdmin;' });
+        await page.evaluate(async mode => {
+            const admin = window.admin = Object.create(TestAdmin.prototype);
+            const images = Array.from({ length: 3 }, (_, i) => ({ id: i, filename: `${i}.svg`, url: `http://viewer.test/original/${i}.svg`, size: 100, created_at: 1 }));
+            window.pendingMetadata = new Map();
+            Object.assign(admin, { prompts: [{ id: 1, text: 'test' }],
+                getImageUrl: image => image.url, loadFilmStripImages: async () => images,
+                extractImageMetadata: url => new Promise(resolve => pendingMetadata.set(url, resolve)),
+            });
+            if (mode === 'gallery') {
+                admin.renderGallery(images, 1);
+            } else {
+                await admin.openFilmStripViewer(1, 0);
+            }
+        }, mode);
+        if (mode === 'gallery') {
+            await expect.poll(() => page.evaluate(() => Boolean(admin.galleryViewer))).toBe(true);
+            await page.evaluate(() => admin.galleryViewer.show());
+        }
+        await expect.poll(() => page.evaluate(url => pendingMetadata.has(url), urlFor(0))).toBe(true);
+        await page.keyboard.press('ArrowRight');
+        await expect.poll(() => page.evaluate(url => pendingMetadata.has(url), urlFor(1))).toBe(true);
+        await page.evaluate(url => pendingMetadata.get(url)({ positivePrompt: 'Selected prompt', negativePrompt: '', imagePath: '1.svg' }), urlFor(1));
+        await expect(page.locator('#metadata-content')).toContainText('Selected prompt');
+        await page.evaluate(url => pendingMetadata.get(url)({ positivePrompt: 'Stale prompt', negativePrompt: '', imagePath: '0.svg' }), urlFor(0));
+        await expect(page.locator('#metadata-content')).not.toContainText('Stale prompt');
+        expect(await page.evaluate(() => admin.currentMetadata.imagePath)).toBe('1.svg');
+        await page.keyboard.press('ArrowRight');
+        await expect.poll(() => page.evaluate(url => pendingMetadata.has(url), urlFor(2))).toBe(true);
+        await page.keyboard.press('Escape');
+        await expect(page.locator('#metadata-sidebar')).toHaveCount(0);
+        await page.evaluate(url => pendingMetadata.get(url)({ positivePrompt: 'Closed prompt', negativePrompt: '', imagePath: '2.svg' }), urlFor(2));
+        expect(await page.evaluate(() => admin.currentMetadata)).toBeNull();
+    });
+}
+
+test('Tags selection stays current during a delayed prompt response', async ({ page }) => {
+    await page.addScriptTag({ path: join(root, 'web/js/tags-page.js') });
+    await page.evaluate(() => {
+        const grid = document.createElement('div'); grid.id = 'tagPromptsGrid'; document.body.append(grid);
+        const manager = window.tagsManager = Object.create(TagsPageManager.prototype);
+        window.pendingTagPrompts = [];
+        Object.assign(manager, { selectedTags: ['cats'], filterMode: 'and', promptLimit: 20, prompts: [],
+            fetchJson: url => new Promise(resolve => pendingTagPrompts.push({ url, resolve })),
+            renderTagPrompts() { grid.textContent = this.prompts.map(prompt => prompt.text).join(','); },
+            updatePromptCountBadge() {}, updateLoadMoreButton() {}, refreshPromptObserver() {},
+        });
+        manager.loadTagPrompts();
+        manager.selectedTags = ['dogs'];
+        manager.loadTagPrompts();
+    });
+    expect(await page.evaluate(() => pendingTagPrompts.length)).toBe(2);
+    await page.evaluate(() => pendingTagPrompts[1].resolve({ success: true, prompts: [{ text: 'dog prompt' }], pagination: { total: 1, has_more: false } }));
+    await expect(page.locator('#tagPromptsGrid')).toHaveText('dog prompt');
+    await page.evaluate(() => pendingTagPrompts[0].resolve({ success: true, prompts: [{ text: 'cat prompt' }], pagination: { total: 1, has_more: false } }));
+    await expect(page.locator('#tagPromptsGrid')).toHaveText('dog prompt');
+});

tools/vendor/update-pr.md

@@ -0,0 +1,8 @@
+Update the exact Viewer.js dependency pin and lockfile, pristine JavaScript and CSS, MIT license, and provenance hashes together.
+
+Validation completed before this PR was opened:
+- Vendored assets match the installed locked package.
+- Vendoring tooling and existing frontend tests pass.
+- Chromium desktop and touch compatibility checks pass for the gallery, admin, and tag viewers.
+
+Review the [upstream releases](https://github.com/fengyuanchen/viewerjs/releases) for behavioral changes. This PR requires review and is not automatically merged.

tools/vendor/update-viewerjs.mjs

@@ -0,0 +1,34 @@
+import { execFileSync } from 'node:child_process';
+import { readFileSync } from 'node:fs';
+import { join, resolve } from 'node:path';
+import { pathToFileURL } from 'node:url';
+import { repositoryRoot, stableVersion, syncViewer } from './vendor-viewerjs.mjs';
+
+function npm(args, options) {
+    if (!process.env.npm_execpath) throw new Error('Run the updater through npm run update');
+    return execFileSync(process.execPath, [process.env.npm_execpath, ...args], options);
+}
+
+export function updateViewer({ root = repositoryRoot, version, run = npm, sync = syncViewer } = {}) {
+    const cwd = join(root, 'tools/vendor');
+    const current = JSON.parse(readFileSync(join(cwd, 'package.json'), 'utf8')).devDependencies.viewerjs;
+    const result = version ?? JSON.parse(run(['view', 'viewerjs', 'version', '--json'], { cwd, encoding: 'utf8' }));
+    const target = Array.isArray(result) && result.length === 1 ? result[0] : result;
+    if (typeof target !== 'string' || !stableVersion.test(target)) throw new Error('Expected a stable Viewer.js version such as 1.15.2');
+    if (target === current) return null;
+    run(['install', '--save-dev', '--save-exact', '--ignore-scripts', `viewerjs@${target}`], { cwd, stdio: 'inherit' });
+    sync({ root });
+    return target;
+}
+
+if (process.argv[1] && import.meta.url === pathToFileURL(resolve(process.argv[1])).href) {
+    try {
+        const args = process.argv.slice(2);
+        if (args.length && (args.length !== 2 || args[0] !== '--version')) throw new Error('Usage: npm run update -- [--version X.Y.Z]');
+        const version = updateViewer({ version: args[1] });
+        console.log(version ? `Updated Viewer.js to ${version}` : 'Viewer.js is already current');
+    } catch (error) {
+        console.error(error.message);
+        process.exitCode = 1;
+    }
+}

tools/vendor/vendor-viewerjs.mjs

@@ -0,0 +1,70 @@
+import { createHash } from 'node:crypto';
+import { readFileSync, writeFileSync, mkdirSync } from 'node:fs';
+import { resolve, join } from 'node:path';
+import { fileURLToPath, pathToFileURL } from 'node:url';
+
+export const repositoryRoot = fileURLToPath(new URL('../..', import.meta.url));
+export const stableVersion = /^\d+\.\d+\.\d+$/;
+const readJson = path => JSON.parse(readFileSync(path, 'utf8'));
+
+export function syncViewer({ root = repositoryRoot, check = false } = {}) {
+    const tooling = join(root, 'tools/vendor');
+    const manifest = readJson(join(tooling, 'package.json'));
+    const version = manifest.devDependencies.viewerjs;
+    if (!stableVersion.test(version)) throw new Error('Viewer.js must use an exact stable version pin');
+    const locked = readJson(join(tooling, 'package-lock.json')).packages['node_modules/viewerjs'];
+    const installed = join(tooling, 'node_modules/viewerjs');
+    const info = readJson(join(installed, 'package.json'));
+    if (locked?.version !== version || info.version !== version) {
+        throw new Error('Viewer.js version mismatch: run npm ci --ignore-scripts in tools/vendor');
+    }
+    if (!locked.integrity || !locked.resolved || info.name !== 'viewerjs' || info.license !== 'MIT') {
+        throw new Error('Viewer.js package identity, integrity, or license is missing');
+    }
+    const files = {};
+    const output = new Map();
+    for (const [target, source] of Object.entries({
+        'viewer.min.js': 'dist/viewer.min.js',
+        'viewer.min.css': 'dist/viewer.min.css',
+        LICENSE: 'LICENSE',
+    })) {
+        const content = readFileSync(join(installed, source));
+        if (target !== 'LICENSE' && !content.toString('utf8').includes(`Viewer.js v${version}\n`) &&
+            !content.toString('utf8').includes(`Viewer.js v${version} */`)) {
+            throw new Error(`Viewer.js version banner mismatch in ${source}`);
+        }
+        files[target] = { source, sha256: createHash('sha256').update(content).digest('hex') };
+        output.set(target, content);
+    }
+    output.set('provenance.json', Buffer.from(JSON.stringify({
+        name: info.name,
+        version,
+        source: `https://github.com/fengyuanchen/viewerjs/tree/v${version}`,
+        resolved: locked.resolved,
+        integrity: locked.integrity,
+        files,
+    }, null, 2) + '\n'));
+    const destination = join(root, 'web/lib/viewerjs');
+    if (check) {
+        const drift = [...output].filter(([name, content]) => {
+            try { return !readFileSync(join(destination, name)).equals(content); }
+            catch (error) { if (error.code === 'ENOENT') return true; throw error; }
+        }).map(([name]) => name);
+        if (drift.length) throw new Error(`Vendored Viewer.js drift: ${drift.join(', ')}. Run npm run sync in tools/vendor.`);
+    } else {
+        mkdirSync(destination, { recursive: true });
+        for (const [name, content] of output) writeFileSync(join(destination, name), content);
+    }
+    return version;
+}
+
+if (process.argv[1] && import.meta.url === pathToFileURL(resolve(process.argv[1])).href) {
+    try {
+        const args = process.argv.slice(2);
+        if (args.some(arg => arg !== '--check')) throw new Error('Usage: vendor-viewerjs.mjs [--check]');
+        console.log(`Viewer.js ${syncViewer({ check: args.includes('--check') })}: ${args.includes('--check') ? 'verified' : 'synced'}`);
+    } catch (error) {
+        console.error(error.message);
+        process.exitCode = 1;
+    }
+}

web/js/admin.js

@@ -1656,6 +1656,7 @@
                 // Initialize ViewerJS for the gallery after DOM is updated
                 setTimeout(() => {
                     if (this.galleryViewer) {
+                        this.invalidateMetadataRequest();
                         this.galleryViewer.destroy();
                     }
                     
@@ -1699,6 +1700,7 @@
                         viewed: (event) => {
                             this.loadMetadataForImage(event.detail.image);
                         },
+                        hide: () => this.invalidateMetadataRequest(),
                         hidden: () => {
                             const sidebar = document.getElementById('metadata-sidebar');
                             if (sidebar) sidebar.remove();
@@ -1711,7 +1713,13 @@
 
 
 
+            invalidateMetadataRequest() {
+                this.metadataRequest = null;
+                this.currentMetadata = null;
+            }
+
             closeGallery() {
+                this.invalidateMetadataRequest();
                 this.hideModal("galleryModal");
             }
 
@@ -2896,6 +2904,11 @@
                 const metadataContent = document.getElementById('metadata-content');
                 if (!metadataContent) return;
 
+                const request = {};
+                this.metadataRequest = request;
+                this.currentMetadata = null;
+                const isCurrent = () => this.metadataRequest === request && metadataContent.isConnected !== false;
+
                 // Show loading state
                 metadataContent.innerHTML = `
                     <div class="metadata-loading">
@@ -2911,9 +2924,11 @@
 
                 try {
                     const metadata = await this.extractImageMetadata(imageUrl);
+                    if (!isCurrent()) return;
                     this.currentMetadata = metadata;
                     this.updateMetadataSidebar(metadata);
                 } catch (error) {
+                    if (!isCurrent()) return;
                     console.error('Failed to load metadata:', error);
                     metadataContent.innerHTML = `
                         <div class="text-center text-pm-error py-8">
@@ -3515,6 +3530,7 @@ Seed: ${this.currentMetadata.seed || 'Unknown'}`;
                     viewed: (event) => {
                         this.loadMetadataForImage(event.detail.image);
                     },
+                    hide: () => this.invalidateMetadataRequest(),
                     hidden: () => {
                         const sidebar = document.getElementById('metadata-sidebar');
                         if (sidebar) sidebar.remove();

web/js/gallery.js

@@ -583,6 +583,8 @@
             }
 
             destroyViewer({ keepSlideshow = false } = {}) {
+                this.metadataRequest = null;
+                this.currentMetadata = null;
                 if (!keepSlideshow) this.stopViewerSlideshow();
                 if (this.viewer) {
                     this.viewer.clearEnforceFocus();
@@ -647,6 +649,8 @@
                         }
                     },
                     hide: () => {
+                        this.metadataRequest = null;
+                        this.currentMetadata = null;
                         this.viewer?.clearEnforceFocus();
                         this.stopViewerSlideshow();
                         const sidebar = document.getElementById('metadata-sidebar');
@@ -1189,15 +1193,18 @@
             }
 
             async loadImageMetadata(imageUrl, container) {
+                const request = {};
+                this.metadataRequest = request;
+                this.currentMetadata = null;
+                container.textContent = 'Loading metadata...';
+                const isCurrent = () => this.metadataRequest === request && container.isConnected !== false;
                 try {
                     // First try to get linked prompt from database
                     let databasePrompt = null;
                     try {
-                        // Extract relative path from the URL for the API call
-                        const urlParts = imageUrl.split('/prompt_manager/images/serve/');
-                        if (urlParts.length > 1) {
-                            const relativePath = urlParts[1];
-                            const response = await ApiClient.fetchUrl(`/prompt_manager/images/prompt/${encodeURIComponent(relativePath)}`);
+                        const metadataUrl = ImageHelpers.metadataLookupUrl(imageUrl);
+                        if (metadataUrl) {
+                            const response = await ApiClient.fetchUrl(metadataUrl);
                             if (response.ok) {
                                 const data = await response.json();
                                 if (data.success && data.prompt) {
@@ -1256,8 +1263,9 @@
                         }
                     }
                     
-                    this.displayMetadata(metadata, container);
+                    if (isCurrent()) this.displayMetadata(metadata, container);
                 } catch (error) {
+                    if (!isCurrent()) return;
                     console.error('Error loading metadata:', error);
                     container.innerHTML = `
                         <div class="bg-pm-error-tint border border-pm-error rounded-pm-md p-4">
@@ -1758,6 +1766,7 @@ Seed: ${this.currentMetadata.seed || 'Unknown'}`;
                     debugMode: document.getElementById('debugModeToggle').checked,
                     apiTimeout: parseInt(document.getElementById('apiTimeoutInput').value),
                     thumbnailsGenerated: this.getSettings().thumbnailsGenerated, // Preserve this
+                    thumbnailPromptDismissed: this.getSettings().thumbnailPromptDismissed,
                     checkThumbnailsAtStartup: document.getElementById('checkThumbnailsAtStartup').checked,
                     // Video settings
                     videoAutoplay: document.getElementById('videoAutoplayToggle').checked,
@@ -2514,37 +2523,16 @@ Seed: ${this.currentMetadata.seed || 'Unknown'}`;
                     }
                     
                     try {
-                        // Check a sample of images to see if any are missing thumbnails
-                        const response = await ApiClient.fetchUrl('/prompt_manager/images/output?limit=50&offset=0');
-                        const data = await response.json();
-                        
-                        console.debug('Checking images for missing thumbnails:', data);
-                        
-                        if (data.success && data.images && data.images.length > 0) {
-                            // Count images missing thumbnails
-                            let missingThumbnails = 0;
-                            for (const image of data.images) {
-                                if (!image.thumbnail_url) {
-                                    missingThumbnails++;
-                                }
-                            }
-                            
-                            console.debug(`Found ${missingThumbnails} images without thumbnails in sample of ${data.images.length}`);
-                            
-                            // If more than 10% of sampled images are missing thumbnails, show prompt
-                            const missingPercentage = (missingThumbnails / data.images.length) * 100;
-                            if (missingThumbnails > 0 && missingPercentage > 10) {
-                                // Estimate total missing based on sample
-                                const estimatedMissing = Math.round((missingThumbnails / data.images.length) * data.total);
-                                console.debug(`Estimated ${estimatedMissing} total images missing thumbnails (${missingPercentage.toFixed(1)}% of sample)`);
-                                this.showThumbnailGenerationPrompt(data.total, estimatedMissing);
-                            } else if (missingThumbnails > 0) {
-                                console.debug(`Only ${missingPercentage.toFixed(1)}% of images missing thumbnails, not showing prompt`);
-                            } else {
-                                console.debug('All sampled images have thumbnails');
-                            }
-                        } else {
-                            console.debug('No images found or failed to fetch images');
+                        const data = await this.api.get('/prompt_manager/images/thumbnails/status');
+                        const total = data.total_images;
+                        const pending = data.pending;
+                        if (!data.success || !Number.isSafeInteger(total) ||
+                            !Number.isSafeInteger(pending) || total <= 0 ||
+                            pending <= 0 || pending > total) return;
+                        const signature = JSON.stringify([data.collection_id, total, pending]);
+                        if (settings.thumbnailPromptDismissed === signature) return;
+                        if (pending / total > 0.1) {
+                            this.showThumbnailGenerationPrompt(total, pending, signature);
                         }
                     } catch (error) {
                         console.debug('Could not check for missing thumbnails at startup:', error);
@@ -2552,7 +2540,7 @@ Seed: ${this.currentMetadata.seed || 'Unknown'}`;
                 }, 1000); // Wait 1 second for page to settle
             }
 
-            showThumbnailGenerationPrompt(imageCount, missingCount = imageCount) {
+            showThumbnailGenerationPrompt(imageCount, missingCount = imageCount, signature = null) {
                 const modal = document.createElement('div');
                 modal.className = 'fixed inset-0 bg-black/50 flex items-center justify-center z-50';
                 modal.innerHTML = `
@@ -2563,10 +2551,10 @@ Seed: ${this.currentMetadata.seed || 'Unknown'}`;
                                 Generate Thumbnails?
                             </h3>
                             <p class="text-pm-secondary mb-4">
-                                Found ${missingCount} images without thumbnails (${imageCount} total images). Would you like to generate thumbnails for faster loading?
+                                ${missingCount} images need new or updated thumbnails (${imageCount} total images). Generate them for faster loading?
                             </p>
                             <p class="text-sm text-pm-muted mb-3">
-                                💡 Thumbnails speed up gallery loading significantly. You can change this setting in Gallery Settings.
+                                Only missing or outdated thumbnails will be generated. Existing current thumbnails will be kept. You can change startup checks in Gallery Settings.
                             </p>
                             <div class="flex space-x-3">
                                 <button id="thumbnailPromptNo" class="flex-1 px-4 py-2 bg-pm-input hover:bg-pm-hover text-pm rounded-pm-md transition-colors">
@@ -2582,11 +2570,20 @@ Seed: ${this.currentMetadata.seed || 'Unknown'}`;
                 
                 document.body.appendChild(modal);
                 
-                // Handle button clicks
-                document.getElementById('thumbnailPromptNo').addEventListener('click', () => {
+                const dismiss = () => {
+                    if (signature) {
+                        try {
+                            const settings = this.getSettings();
+                            settings.thumbnailPromptDismissed = signature;
+                            localStorage.setItem('gallerySettings', JSON.stringify(settings));
+                        } catch (error) {
+                            console.warn('Could not save thumbnail prompt dismissal:', error);
+                        }
+                    }
                     document.body.removeChild(modal);
-                });
-                
+                };
+                document.getElementById('thumbnailPromptNo').addEventListener('click', dismiss);
+
                 document.getElementById('thumbnailPromptYes').addEventListener('click', () => {
                     // Don't remove modal yet - transform it to show progress
                     this.startThumbnailGenerationInModal(modal, imageCount, missingCount);
@@ -2595,7 +2592,7 @@ Seed: ${this.currentMetadata.seed || 'Unknown'}`;
                 // Close on outside click
                 modal.addEventListener('click', (e) => {
                     if (e.target === modal) {
-                        document.body.removeChild(modal);
+                        dismiss();
                     }
                 });
             }
@@ -3545,6 +3542,10 @@ Seed: ${this.currentMetadata.seed || 'Unknown'}`;
             }
 
             async loadNextReviewImage() {
+                const request = {};
+                this.reviewRequest = request;
+                this.autoTagState.currentTags = [];
+                this.autoTagState.reviewPromptId = null;
                 if (this.autoTagState.reviewIndex >= this.autoTagState.reviewImages.length) {
                     this.hideModal("autoTagReviewModal");
                     this.showNotification('Review complete!', 'success');
@@ -3570,7 +3571,9 @@ Seed: ${this.currentMetadata.seed || 'Unknown'}`;
 
                     const data = await response.json();
 
+                    if (this.reviewRequest !== request) return;
                     if (data.success) {
+                        this.autoTagState.reviewPromptId = data.prompt_id ?? null;
                         this.autoTagState.currentTags = data.tags;
                         this.renderReviewTags();
                     } else {
@@ -3578,6 +3581,7 @@ Seed: ${this.currentMetadata.seed || 'Unknown'}`;
                             `<div class="text-pm-error">Error: ${escapeHtml(data.error)}</div>`;
                     }
                 } catch (error) {
+                    if (this.reviewRequest !== request) return;
                     console.error('Error generating tags:', error);
                     document.getElementById('reviewTagsContainer').innerHTML =
                         '<div class="text-pm-error">Failed to generate tags</div>';
@@ -3615,28 +3619,41 @@ Seed: ${this.currentMetadata.seed || 'Unknown'}`;
                     return;
                 }
 
-                const image = this.autoTagState.reviewImages[this.autoTagState.reviewIndex];
+                const promptId = this.autoTagState.reviewPromptId;
+                if (!promptId) {
+                    this.showNotification('This image has no linked prompt. Scan the output folder first.', 'warning');
+                    return;
+                }
+                const request = this.reviewRequest;
+                if (this.reviewApplying === request) return;
+                this.reviewApplying = request;
 
                 try {
                     const response = await ApiClient.fetchUrl('/prompt_manager/autotag/apply', {
                         method: 'POST',
                         headers: { 'Content-Type': 'application/json' },
                         body: JSON.stringify({
-                            image_path: image.path,
+                            prompt_id: promptId,
                             tags: this.autoTagState.currentTags
                         })
                     });
 
                     const data = await response.json();
 
+                    if (this.reviewRequest !== request) return;
                     if (data.success) {
                         this.showNotification(`Applied ${this.autoTagState.currentTags.length} tags`, 'success');
                     } else {
                         this.showNotification(data.error || 'Failed to apply tags', 'warning');
+                        return;
                     }
                 } catch (error) {
+                    if (this.reviewRequest !== request) return;
                     console.error('Error applying tags:', error);
                     this.showNotification('Failed to apply tags', 'error');
+                    return;
+                } finally {
+                    if (this.reviewApplying === request) this.reviewApplying = null;
                 }
 
                 this.autoTagState.reviewIndex++;
@@ -3644,6 +3661,8 @@ Seed: ${this.currentMetadata.seed || 'Unknown'}`;
             }
 
             cancelReview() {
+                this.reviewRequest = null;
+                this.autoTagState.reviewPromptId = null;
                 this.autoTagState.reviewImages = [];
                 this.autoTagState.reviewIndex = 0;
                 this.autoTagState.currentTags = [];

web/js/image-helpers.js

@@ -79,6 +79,9 @@
             typeof entry.path === "string" && entry.path && !Number.isInteger(entry.id)
                 ? { path: entry.path }
                 : { image_id: entry.id };
+        if ("path" in target && Number.isInteger(entry.root_index)) {
+            target.root_index = entry.root_index;
+        }
         const modelType = String(settings.modelType || "");
         const params = modelType.startsWith("wd14")
             ? {
@@ -103,7 +106,23 @@
         return original;
     }
 
-    const api = { formatImageCaption, workflowDocumentHtml, autotagSingleBody, fallbackImageSource };
+    function metadataLookupUrl(imageUrl) {
+        try {
+            const url = new URL(imageUrl, 'http://prompt-manager.invalid');
+            const marker = '/prompt_manager/images/serve/';
+            const index = url.pathname.indexOf(marker);
+            if (index < 0) return null;
+            const relativePath = decodeURIComponent(url.pathname.slice(index + marker.length));
+            const query = new URLSearchParams();
+            if (url.searchParams.has('root')) query.set('root', url.searchParams.get('root'));
+            const suffix = query.size ? `?${query}` : '';
+            return `/prompt_manager/images/prompt/${encodeURIComponent(relativePath)}${suffix}`;
+        } catch {
+            return null;
+        }
+    }
+
+    const api = { formatImageCaption, workflowDocumentHtml, autotagSingleBody, fallbackImageSource, metadataLookupUrl };
     if (typeof module !== "undefined" && module.exports) module.exports = api;
     else root.ImageHelpers = api;
 })(typeof window !== "undefined" ? window : globalThis);

web/js/tags-page.js

@@ -583,8 +583,12 @@ class TagsPageManager {
     // ── Prompts Display ───────────────────────────────────────
 
     async loadTagPrompts() {
-        if (this.isLoadingPrompts) return;
-        if (this.selectedTags.length === 0) return;
+        if (this.selectedTags.length === 0) {
+            this.clearPrompts();
+            return;
+        }
+        const request = {};
+        this.promptRequest = request;
 
         this.isLoadingPrompts = true;
         this.promptOffset = 0;
@@ -622,6 +626,7 @@ class TagsPageManager {
             }
 
             const data = await this.fetchJson(url);
+            if (this.promptRequest !== request) return;
 
             if (data.success) {
                 this.prompts = data.prompts;
@@ -634,6 +639,7 @@ class TagsPageManager {
                 requestAnimationFrame(() => this.refreshPromptObserver());
             }
         } catch (err) {
+            if (this.promptRequest !== request) return;
             console.error('Failed to load tag prompts:', err);
             if (grid) {
                 grid.replaceChildren();
@@ -643,12 +649,14 @@ class TagsPageManager {
                 grid.appendChild(errDiv);
             }
         } finally {
-            this.isLoadingPrompts = false;
+            if (this.promptRequest === request) this.isLoadingPrompts = false;
         }
     }
 
     async loadMoreTagPrompts() {
         if (this.isLoadingPrompts || !this.hasMorePrompts) return;
+        const request = {};
+        this.promptRequest = request;
         this.isLoadingPrompts = true;
 
         const spinner = document.querySelector('#tagPromptsLoader .prompts-loader-spinner');
@@ -675,6 +683,7 @@ class TagsPageManager {
             }
 
             const data = await this.fetchJson(url);
+            if (this.promptRequest !== request) return;
 
             if (data.success) {
                 const startIndex = this.prompts.length;
@@ -685,13 +694,16 @@ class TagsPageManager {
                 this.updatePromptCountBadge();
             }
         } catch (err) {
+            if (this.promptRequest !== request) return;
             console.error('Failed to load more prompts:', err);
             this.hasMorePrompts = false;
         } finally {
-            this.isLoadingPrompts = false;
-            if (spinner) spinner.classList.add('hidden');
-            this.updateLoadMoreButton();
-            requestAnimationFrame(() => this.refreshPromptObserver());
+            if (this.promptRequest === request) {
+                this.isLoadingPrompts = false;
+                if (spinner) spinner.classList.add('hidden');
+                this.updateLoadMoreButton();
+                requestAnimationFrame(() => this.refreshPromptObserver());
+            }
         }
     }
 
@@ -987,6 +999,9 @@ class TagsPageManager {
     }
 
     clearPrompts() {
+        this.promptRequest = null;
+        this.isLoadingPrompts = false;
+        this.promptOffset = 0;
         this.prompts = [];
         this.promptTotal = 0;
         this.hasMorePrompts = false;
@@ -1091,6 +1106,7 @@ class TagsPageManager {
     }
 
     destroy() {
+        this.promptRequest = null;
         this.destroyInfiniteScroll();
         this.hideContextMenu();
         clearTimeout(this.searchTimer);

web/lib/viewerjs/LICENSE

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright 2015-present Chen Fengyuan
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

web/lib/viewerjs/provenance.json

@@ -0,0 +1,21 @@
+{
+  "name": "viewerjs",
+  "version": "1.15.2",
+  "source": "https://github.com/fengyuanchen/viewerjs/tree/v1.15.2",
+  "resolved": "https://registry.npmjs.org/viewerjs/-/viewerjs-1.15.2.tgz",
+  "integrity": "sha512-CYEqSFfPUSnmn1PjrhYxXOScaUC7n8+NpSqI+MrOSM8wcKPe35MlwQYwksuD5rjFkYv/ePmY5NsUa51uRNN2jA==",
+  "files": {
+    "viewer.min.js": {
+      "source": "dist/viewer.min.js",
+      "sha256": "490580be4988dff2e05cd9c81c4161b82ce0c3715d268fadf8f7193853f40031"
+    },
+    "viewer.min.css": {
+      "source": "dist/viewer.min.css",
+      "sha256": "24a43eb0b188c824bb5b32e4d95c08b6162ec01eaa709ca8f0823d9512d0913d"
+    },
+    "LICENSE": {
+      "source": "LICENSE",
+      "sha256": "eb917650781dcf06a60b97cba9b05bf583931ec2d311d8a5548a8dca90a57e0f"
+    }
+  }
+}