Merge main into #1339; keep both sides of effects_presets.rs, settings.rs

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

docs/agents.md

@@ -10,15 +10,6 @@ user can do, an agent can do too. There are three ways in:
 | **CLI** (`effectcraft-cli exec/get/set/...`) | one-shot scripting and CI; JSON output with `--json` | no |
 | **Control channel** (`effectcraft --control 9877`) | driving and seeing the live UI; see [control-protocol.md](control-protocol.md) | yes |
 
-## Find the presets folder
-
-The native Effects & Presets panel's options menu includes **Copy Presets Folder Path**. It copies
-the folder the panel scans: `EC_PRESETS_DIR` when set, otherwise `~/Documents/EffectCraft/Presets`
-using `HOME` or `USERPROFILE`. Relative paths are resolved to an absolute path. The folder may
-not exist yet; this action does not create it.
-Over the live UI control channel, `ui.menu.invoke {"id":"effects.copyPresetsFolderPath"}` copies
-the same path and returns `{path}`. The web app reports that it has no local presets folder.
-
 ## MCP setup
 
 Build once with `cargo build --release -p effectcraft-cli`, then register the server. For Claude
@@ -52,6 +43,11 @@ Desktop, Cursor and the like) take the same `command` and `args`.
 - **Bridge** (`["mcp", "--bridge", "9877"]`): drives a running `effectcraft --control 9877`, so you
   see every change live. Bridge mode adds `screenshot` and the `ui_*` tools.
 
+After a broken connection, the bridge retries explicitly read-only control queries once.
+Engine commands, UI edits and unknown methods whose transmission or reply fails report an
+unknown outcome: the app may already have applied them. Inspect the app before explicitly
+retrying. A later call reconnects; timeouts and malformed replies are never automatically resent.
+
 ### From an installed release
 
 The release packages ship `effectcraft-cli` alongside the desktop app, so no build is needed:
@@ -714,3 +710,12 @@ open the demo project; without it the app starts with an empty project) and use
 mode or the raw control channel. A good loop is: `ui_elements` to find an id, `ui_click` or `ui_drag`
 to act, then `screenshot {"panel":"Timeline"}` to check the result. `render_frame` shows the
 composition itself at any zoom.
+
+### Effects & Presets
+
+The native Effects & Presets panel's options menu includes **Copy Presets Folder Path**. It copies
+the folder the panel scans: `EC_PRESETS_DIR` when set, otherwise `~/Documents/EffectCraft/Presets`
+using `HOME` or `USERPROFILE`. Relative paths are resolved to an absolute path. The folder may
+not exist yet; this action does not create it.
+Over the live UI control channel, `ui.menu.invoke {"id":"effects.copyPresetsFolderPath"}` copies
+the same path and returns `{path}`. The web app reports that it has no local presets folder.

docs/architecture.md

@@ -721,3 +721,5 @@ JSON parsing is now the bulk of open), and rendering 5,000-layer comps faster.
 | Date | Change | Summary |
 |---|---|---|
 | 2026-10-10 | minor | Status line added; crate table checked against `crates/` (every crate listed); effect count and VP9 encoder description corrected |
+
+PDF document structure uses the `craft-pdf` read feature through an app-owned bounded object adapter. EffectCraft retains its drawing tree, fonts, content/image filters and EPS interpreter; ordinary object/xref limits remain 256 MiB on 64-bit and 64 MiB on 32-bit/WASM, including repair.

docs/control-protocol.md

@@ -37,6 +37,7 @@ printf '{"id":1,"method":"engine.execute","params":{"command":"comp.new","params
 |---|---|---|
 | `engine.execute` | `{command, params?}` | The command's result. Every engine command (`effectcraft-cli commands`) runs exactly as it does headless, so it never opens a dialog: `comp.new {}` creates a default comp. UI-only ids (`tool.*`, `view.*`, `window.*`, `playback.*`, `timeline.*`, `app.*`) fall through to the menu dispatcher. Unknown top-level params are rejected, and the error lists the accepted keys. |
 | `ui.menu.invoke` | `{id, params?}` | Like a menu click: commands with empty params may open their dialog (New Composition, Solid Settings, file pickers). |
+| Copy a Media Browser source path | `ui.menu.invoke {id: "mediaBrowser.copySourcePath", params: {path}}` | Copies the exact non-empty path string to the clipboard and returns `{path}`. Supports file/folder paths and virtual source identifiers. Missing, empty or non-string paths return an error. |
 | UI commands (via either) | | `timeline.column {column, visible?}` (av, keys, label, num, comment, switches, modes, parent, in, out, duration, stretch), `timeline.sourceName {value?}`, `timeline.search {query}`, `timeline.reveal.<kind>` / `timeline.revealAdd.<kind>` (the property shortcuts and Shift+shortcut: position, scale, rotation, opacity, anchor, effects, masks, feather, levels, animated, and the double-press sets maskPath, maskOpacity, timeRemap, expressions, material, paint, selected, missingEffects, waveform), `timeline.keyAt.<anchor\|position\|scale\|rotation\|opacity>` (Alt+Shift+A/P/S/R/T), `timeline.twirlSelected` (Ctrl/Cmd+`), `timeline.collapseAll`, `flowchart.options {layers?, effects?, solids?, direction?: lr\|tb, comp?}`, `flowchart.graph {comp?}` → `{nodes, edges}`, `window.workspace {name}` (all After Effects workspaces). |
 | `engine.commands` | `{filter?, enabledOnly?}` | `[{id, label, menu, shortcut, params, enabled, why}]` |
 | `ui.menu.list` | `{}` | The menu tree with enablement. |

docs/effects.md

@@ -149,7 +149,7 @@ Effects are addressed by id (`ec.<category>.<name>`) or display name in commands
 | Corner Pin | `ec.distort.cornerpin` | 4 | GPU | 32 | Implemented |
 | Detail-preserving Upscale | `ec.distort.upscale` | 4 |  | 32 | Implemented |
 | Displacement Map | `ec.distort.displacementmap` | 8 | GPU | 32 | Implemented |
-| Liquify | `ec.distort.liquify` | 12 | GPU | 32 | Implemented |
+| Liquify | `ec.distort.liquify` | 13 | GPU | 32 | Implemented |
 | Magnify | `ec.distort.magnify` | 10 | GPU | 32 | Implemented |
 | Mesh Warp | `ec.distort.meshwarp` | 3 | GPU | 32 | Implemented |
 | Mirror | `ec.distort.mirror` | 2 | GPU | 32 | Implemented |

docs/file-format-parity.md

@@ -43,7 +43,7 @@ trips and renders, checked by tests, not against After Effects), **partial** (na
 | TIFF | R/W | yes | yes (sequence) | good |
 | OpenEXR (multi-layer, Cryptomatte) | R/W | yes | yes (32-bit sequence) | good; HTJ2K compression fails (#482); EXRs without an unnamed RGB layer decode twice (#474) |
 | Photoshop PSD / PSB | R (footage, composition) / W (layers, sequence) | yes (layers, groups, masks, styles, smart objects) | Save Frame As ▸ Photoshop Layers; no Photoshop sequence output | good, from Adobe's published spec |
-| Illustrator `.ai`, PDF, EPS | R | yes (vector, Continuously Rasterize, Create Shapes) | — | partial: no JPX / JBIG2 images, no Illustrator procset EPS |
+| Illustrator `.ai`, PDF, EPS | R | yes (vector, Continuously Rasterize, Create Shapes; Composition and Composition - Retain Layer Sizes, #1536) | — | partial: no JPX / JBIG2 images, no Illustrator procset EPS |
 | SVG | R | yes | — | good; SVG markup on the clipboard pastes as a shape layer (26.3, #738); Illustrator's own clipboard data (PDF/AI) doesn't |
 | GIF | R/W | yes | yes (animated) | good |
 | BMP | R | yes | — | good |

docs/gaps.md

@@ -77,7 +77,7 @@ are grouped by area; the issue tracker has the rest.
 | 18 | **Relative paths and relinking** | Projects store absolute footage paths; no relink when a project moves | Moving or sharing a project breaks it | 6–12 h | G4 · [file-format-parity.md](file-format-parity.md) |
 | 19 | **Plug-in ecosystem** | No After Effects SDK hosting (#600, #327 OpenFX, #334, #376 plug-in manager); our WebAssembly API has no third-party plug-ins | Many pro projects depend on Trapcode, Element, Saber… | 40–80 h for API growth; SDK hosting needs an owner decision | G8 · [scripting-parity.md](scripting-parity.md) |
 | 20 | **Multi-monitor and video output** | #486: any panel can move into a native window of its own (panel menu ▸ Move Panel to New Window, `window.panelWindow`) and so onto another screen, restored with the workspace; still missing: dragging tabs between those windows, app shortcuts while one has the focus, named workspaces remembering them, Mercury Transmit to video hardware (we have a second preview window only) | Two-screen setups are standard for professionals | 10–20 h | G2 · [hardware-parity.md](hardware-parity.md) |
-| 21 | **Small 26.x features** | Proportional Scrubbing (26.2), pasting Illustrator's own clipboard data as shapes (26.3; SVG markup on the clipboard pastes as a shape layer, #738), variable-font filter (26.3), the rebuilt Effect Controls (26.5). Percentage guides (View ▸ Add Percentage Guide, Convert Guides to Percentage / Pixels) and effect colour labels (Effect Controls header bar and right-click Label menu, `effect.setLabel`) are in (#1095), built from the release notes' one-line descriptions and never compared with After Effects: the Timeline shows no effect label, and the labels' exact UI there is unknown | Users of the current version expect them | 10–20 h left | — · [ui-parity.md](ui-parity.md) |
+| 21 | **Small 26.x features** | Proportional Scrubbing (26.2), pasting Illustrator's own clipboard data as shapes (26.3; SVG markup on the clipboard pastes as a shape layer, #738), variable-font filter (26.3), the rebuilt Effect Controls (26.5). Percentage guides (View ▸ Add Percentage Guide, Convert Guides to Percentage / Pixels) and effect colour labels (Effect Controls header bar and right-click Label menu, `effect.setLabel`) are in (#1095), built from the release notes' one-line descriptions and never compared with After Effects: the Timeline's effect rows wear the label as a colour bar on the left edge (#1509), but After Effects' exact UI there is unknown | Users of the current version expect them | 10–20 h left | — · [ui-parity.md](ui-parity.md) |
 | 22 | **Encoder efficiency** | HEVC / AV1 have no B-frames, multi-reference or SAO / CDEF; Opus no FEC / DTX; single-file intermediates are 8-bit uncompressed QuickTime only (#372 closed by #778: no 16-bpc, AVI or lossless-compressed codec); #325 render over existing file | Larger files than After Effects + Media Encoder | 20–40 h | G6 · [file-format-parity.md](file-format-parity.md) |
 | 23 | **Essential Graphics interchange** | Templates are `.ectemplate`, not `.mogrt`; #338 and #611 closed | Premiere editors can't use our templates | 15–30 h | — · [file-format-parity.md](file-format-parity.md) |
 | 24 | **Timeline depth requests** | #601 expand precomps in place, #602 reorderable render stack, #604 guide-only effects, #425 keyframe confusion (#355 and #428 closed) | Power-user speed | 15–30 h | G2 · [ui-parity.md](ui-parity.md) |
@@ -117,7 +117,8 @@ The most important missing piece: it turns every other estimate here into a meas
 - Regression evidence for [#66](https://github.com/storytold/effectcraft/issues/66): scripted
   pointer tests in `ui_viewer` and `ui_text_edit`, checked headlessly on Linux, cover viewer clicks,
   marquee selection and text picking when layers are hidden or excluded by solo. They also check
-  hidden/locked solo layers and solo layers outside their active time range.
+  hidden/locked solo layers, and that solo still excludes the other layers while the soloed
+  layer is outside its active time range (as in After Effects, so nothing is picked there).
 - Regression evidence for [#67](https://github.com/storytold/effectcraft/issues/67): scripted
   input tests in `ui_project_delete`, checked headlessly on Linux, cover Delete/Backspace on
   Project items, multiple selection and undo. They check that an unrelated Timeline layer stays,

docs/target-app-parity.md

@@ -426,7 +426,7 @@ the disk cache in the formats wave; the 3D Camera Tracker in M12.6.)
 | Layers | 88% | 4.8 | motion blur of collapsed precomps (their own motion and the parent camera's) and of animated layer content (lock-aware layer commands, delete keeping children in place, step-by-step Arrange, Transform keeping depth and separated dimensions and links kept on duplicate / paste landed in M3.11; frame blending, collapse transformations and slip edit in M4.3–M4.4) |
 | Output | 97% | 0.8 | Render Settings complete (field render + 3:2 pulldown, effects/solo/guide/depth/blending/blur overrides, time sampling, storage overflow), Output Module crop/ROI/resize, alpha modes, post-render actions, PCM formats, templates with defaults, render logs, Notify (M10.2); WebM VP9 key + inter frames with motion search, loop filter and rate control; M13.4: HEVC export (MP4 `hvc1`, `effectcraft-hevcenc`: Main / Main 10, IDR + P slices, quarter-pel motion, deblocking, bit-exact with ffmpeg) and AV1 export (MP4 `av01` and WebM, `effectcraft-av1enc`: 8/10-bit key + inter frames, quarter-pel motion, loop filter, bit-exact with libdav1d) with profile, level, bitrate / constant-quality and key-frame interval options; Opus SILK (NB/MB/WB, mid/side stereo) and hybrid (SWB/FB) modes chosen by bitrate and Audio/Voice tuning, with the Opus bitrate in the Output Module. HEVC/AV1 import decodes through FilmCraft (MP4/MOV/MKV/WebM); WebM VP9 alpha (BlockAdditions) imports as straight alpha. Left: HEVC/AV1 have no B-frames, multi-reference, SAO/CDEF/restoration or alpha (compression below mature encoders); Opus has no FEC/DTX and only 20 ms frames; Photoshop sequence output, overflow for movies only checks at file creation |
 | Audio | 85% | 0.5 | audio to keyframes |
-| Import | 97% | 0.5 | JPX / JBIG2 images and predefined non-Identity CJK CMaps inside PDF/AI files, Illustrator EPS relying on Adobe procsets, PSD 3D layers (M13.12: mesh shadings — free-form / lattice Gouraud triangles, Coons and tensor patches — and function-based shadings, CCITT G3 / G4 images, knockout / isolated transparency groups with group alpha and soft masks on the group's result, `/W2` vertical metrics, EPS text with embedded Type 1 / CFF or bundled fonts, and Create Shapes from Vector Layer keeping images as parented footage layers in paint order; M13.6: PDF/AI text with embedded TrueType / CFF / Type 1 / Type 3 fonts and standard-14 fallback to the bundled fonts, Flate / DCT / inline / stencil images with soft masks, Indexed and ICC alternates, luminosity / alpha soft masks, the 16 blend modes, tiling patterns, calculator functions, any page via `file.import page` and the Import dialog, clip groups kept by Create Shapes from Vector Layer as layer masks / Merge Paths; PSD smart-object perspective quads and placed-layer warps — named styles and custom quilt meshes — baked as placed; PDF / PDF-compatible AI / EPS vector footage with Continuously Rasterize, layered composition import and Create Shapes from Vector Layer, and PSD smart objects with embedded files landed in M13.2; PSD as footage/composition/retain layer sizes, SVG footage earlier) |
+| Import | 97% | 0.5 | JPX / JBIG2 images and predefined non-Identity CJK CMaps inside PDF/AI files, Illustrator EPS relying on Adobe procsets, PSD 3D layers (M13.12: mesh shadings — free-form / lattice Gouraud triangles, Coons and tensor patches — and function-based shadings, CCITT G3 / G4 images, knockout / isolated transparency groups with group alpha and soft masks on the group's result, `/W2` vertical metrics, EPS text with embedded Type 1 / CFF or bundled fonts, and Create Shapes from Vector Layer keeping images as parented footage layers in paint order; M13.6: PDF/AI text with embedded TrueType / CFF / Type 1 / Type 3 fonts and standard-14 fallback to the bundled fonts, Flate / DCT / inline / stencil images with soft masks, Indexed and ICC alternates, luminosity / alpha soft masks, the 16 blend modes, tiling patterns, calculator functions, any page via `file.import page` and the Import dialog, clip groups kept by Create Shapes from Vector Layer as layer masks / Merge Paths; PSD smart-object perspective quads and placed-layer warps — named styles and custom quilt meshes — baked as placed; PDF / PDF-compatible AI / EPS vector footage with Continuously Rasterize, layered composition import and Create Shapes from Vector Layer, and PSD smart objects with embedded files landed in M13.2; PSD as footage/composition/retain layer sizes, SVG footage earlier; PDF / AI Composition - Retain Layer Sizes crops each layer to its artwork in place, #1536) |
 | Automation | ≈ 99% | 0.1 | `.jsxbin` (AUT-2: concave / self-intersecting `onDraw` fills, real images in `drawImage`, image controls and icon buttons landed in M13.11; ScriptUI resource strings, `onDraw`/ScriptUIGraphics, live `onChanging`, `Socket`, Essential Graphics hooks — `addToMotionGraphicsTemplate(As)`, `canAddToMotionGraphicsTemplate`, `exportAsMotionGraphicsTemplate`, `motionGraphicsTemplateName`, controller count/names — and Watch Folder landed in M13.7; the core object model landed in M14.4; ScriptUI windows/dialogs/dockable panels with `scriptui.*` agent commands, File ▸ Scripts install + sample scripts, and the effect plug-in API (EFF-6, WebAssembly) landed in M13.1) |
 | Shapes | ≈ 80% | 1.5 | Lottie can't carry stroke taper/wave (stroke Taper and Wave, Dash 2/Gap 2/Dash 3/Gap 3 and radial-gradient Highlight Length/Angle landed in M13.5; pen tool for shape paths and vertex editing in M6.5) |
 | Compositions | ≈ 81% | 3.3 | Mocha-style planar tracks for templates; nested comp markers on the precomp layer bar (Preserve frame rate / resolution when nested and nested comps showing nothing past their end landed in M4.9–M4.10; Pre-compose keeping the comp's settings and New Comp from Selection's dialog in M3.12; CMP-7: Essential Graphics mirrored and linked properties landed in M13.11; Font and uniform Scale controls, Composition ▸ Open in Essential Graphics, Save Frame As ▸ Photoshop Layers / ProEXR and the VR Comp Editor landed in M13.7; the marker dialog, Composition Flowchart, Essential Graphics with master properties, `.ectemplate` templates and Responsive Design — Time landed: CMP-6, CMP-7) |

docs/testing.md

@@ -70,3 +70,9 @@ date, load average, scenario, settings, metrics); `--compare OLD.jsonl` prints t
 the latest matching runs there, `--compare OLD --with NEW` compares two files without rendering.
 The table notes the 1-minute load average: on a busy machine wall time is noise, so compare
 peak memory and instructions retired, and rerun when the load differs a lot.
+
+Results files allow blank lines; corrupt records or invalid comparison fields report the file
+and line instead of being discarded. `--fail-over PCT` requires the same run keys on both sides,
+successful latest runs, and at least one comparable resource metric per run. Failed latest runs,
+missing coverage, empty results and wall-time-only measurements cannot pass the gate. Omit
+`--fail-over` for an exploratory partial comparison; failed latest runs remain visible.

docs/ui-parity.md

@@ -17,13 +17,13 @@ feel and platform differences, and the 26.x interface changes are not in yet.
 |---|---|---:|---|
 | Menu bar | After Effects' menus, order, submenus and labels; native on macOS; keyboard-operable in-window bar | 95% | 587 entries in `crates/engine/src/menus.rs`; Adobe-service entries omitted by design; `ui_menus` tests (#279) |
 | Panels and workspaces | Every After Effects panel; all standard workspaces; drag-to-dock, tabs, floating panels, maximise | 75% | `ui_tabs`, `ui_panels`; panels move into their own native windows on any screen (#486 open: no dragging tabs between those windows); #302, #301 and #320 (docking, stacked-panel headers, workspace persistence) are closed |
-| Timeline | Switches, modes, parent & link, twirl-downs, reveal shortcuts (U, UU, P, S, R, T, A, E, M, F, Alt+Shift…), pick whips, graph editor, work area, markers | 75% | `ui_keyframes`, `ui_timeline_*`; expand precomps in place (#601); #456, #457, #569 and #355 (Graph Editor jitter and buttons, negative rotation, bulk keyframing) are closed; Proportional Scrubbing (26.2: Ctrl+Alt / Cmd+Opt scrub of hot text spreads the change over the selected layers by selection order, #770) matched for layers selected as a whole, not yet for individually selected properties |
+| Timeline | Switches, modes, parent & link, twirl-downs, reveal shortcuts (U, UU, P, S, R, T, A, E, M, F, Alt+Shift…), pick whips, graph editor, work area, markers | 75% | `ui_keyframes`, `ui_timeline_*`; expand precomps in place (#601); #456, #457, #569 and #355 (Graph Editor jitter and buttons, negative rotation, bulk keyframing) are closed; Proportional Scrubbing (26.2: Ctrl+Alt / Cmd+Opt scrub of hot text spreads the change over the selected layers by selection order, #770) matched for layers selected as a whole, not yet for individually selected properties; every layer has the Video switch, nulls, cameras and lights included (a null with its eye off has no box or handles in the viewer and isn't picked there) |
 | Composition viewer | Selection, handles with direction-aware cursors, rulers, guides, grids, snapping, channels, exposure, region of interest, snapshots, 3D views, Spacebar hand | 70% | `ui_viewer`, `ui_viewers`; Cmd/Ctrl +/− doesn't zoom (#570); anchor point grab on Linux (#492); #352 (snapping) is closed; no 3D transform gizmos (#392, #347); percentage guides (26.5) exist as View ▸ Add Percentage Guide and Convert Guides to Percentage / Pixels (a guide stores a percent of the comp, so it follows comp-size changes; behaviour inferred from the release note, not compared with After Effects); Copy Frame to Clipboard (26.3) is in the Composition menu and the viewer's context menu |
 | Tools panel | All After Effects tools; long-press flyouts; Tool Creates Shape / Mask; Fill / Stroke options | 80% | #213, #227 fixed; #553 (pen and vertex tools on motion paths) is closed |
 | Nudging and modifiers | Arrow nudge (1 px, Shift 10 px), Alt/Option duplicates and slips, Shift constrains | 75% | #290 nudging fixed; #491 (Linux multi-layer edits) is closed |
 | Numeric entry | Scrubbable values, typed entry with Tab / Shift+Tab, angle revolutions, Escape cancels, non-finite rejected | 85% | `ui_angles`, `ui_inline_edit` (#93, #141, #361); rename arrows on Linux (#488) |
-| Effect Controls | After Effects' twirl-downs, angle dial, point crosshair, eyedropper, curves/levels editors, effect menu on right-click | 70% | `ui_effect_controls`, `ui_fx_editors`; 26.5 rebuilt this panel with icon controls and effect colour labels: labels exist (a colour bar on the effect header, right-click Label menu, `effect.setLabel`; not in the Timeline), the rebuilt controls are not matched |
-| Context menus | Layer, property, Project, Timeline empty area, work area, labels with colours | 80% | `ui_blank_context_menus`, `ui_project_rows`; #227, #290, #407 fixed; a comp's Project row menu has Composition Settings… (#1058) |
+| Effect Controls | After Effects' twirl-downs, angle dial, point crosshair, eyedropper, curves/levels editors, effect menu on right-click | 70% | `ui_effect_controls`, `ui_fx_editors`; 26.5 rebuilt this panel with icon controls and effect colour labels: labels exist (a colour bar on the effect header and on the effect's Timeline row, right-click Label menu, `effect.setLabel`), the rebuilt controls are not matched |
+| Context menus | Layer, property, Project, Timeline empty area, work area, labels with colours | 80% | `ui_blank_context_menus`, `ui_project_rows`; #227, #290, #407 fixed; a comp's Project row menu has Composition Settings… (#1058); layer context menu has Layer Styles (#1611) |
 | Keyboard shortcuts | After Effects' defaults; Keyboard Shortcuts editor that rebinds and saves sets | 75% | Shortcut editor in Settings; #467 (adding shortcuts on Linux), #428 and #336 are closed; no shortcuts for scripts |
 | Drag and drop | Project → Timeline / viewer / New Comp / Render Queue; effects onto layers; files from the OS | 65% | `ui_drag_drop`; OS drops fail on Wayland (winit) and some Linux setups (#268); #552, #351 (multi-file drops) and #511 (crash dragging over the import dialog) are closed |
 | Text editing on canvas | Point and paragraph text, per-character styles, Character / Paragraph panels, OpenType and variable axes | 70% | `ui_text_edit`, `ui_font_search`; paragraph alignment inverted (#316); toolbar font options (#550); font search by typing (#583) is closed; the font menus' variable-font filter (26.3) landed (#741) |

docs/web.md

@@ -413,7 +413,8 @@ no npm packages): load, the GPU path (WebGPU → GPU compositor, viewer on the G
 in the viewer, `render.frame`, Render Queue GIF and PNG sequence (`.zip`) downloads, a background
 render in a worker while measuring the page's event-loop gaps (must stay under 400 ms) and its
 progress, the AudioContext starting on a (simulated) key press and a tone playing through it
-with the meters moving, Save As and re-opening the saved project, persistence across a reload
+with the meters moving, Save As and re-opening the saved project, a script opening a file from
+browser storage and the footage check finding stored media, persistence across a reload
 (session snapshot, a stored project, imported media, a setting, Open Recent) and an offline
 reload through the service worker. It writes screenshots and `report.json`: