* perf(canvas): add traced navigation benchmarks
- Record and replay timestamped pan and zoom gestures through DOM and CDP input paths\n- Correlate input, viewport, render, long-task, and retained-backing events in Chromium traces\n- Report frame pacing, latency, jump, anchor drift, and crisp-settlement metrics
* perf(canvas): stabilize navigation comparisons
- Separate low-overhead metric runs from optional CPU-profile traces\n- Warm scenarios before recording and use a consistent SwiftShader browser configuration\n- Add a canonical momentum-pan reversal gesture alongside pinch reversal
* fix(canvas): require hardware GPU navigation benchmarks
- Run macOS performance captures through Metal-backed ANGLE and reject accidental SwiftShader fallback\n- Record the GL renderer and reserve software GPU mode for portable correctness smoke runs
* perf(canvas): cache shadow rasters for crisp backing
- Rasterize local drop and inner shadows only while constructing retained scene backing\n- Bound native image memory and invalidate cached entries with node and renderer lifecycle changes\n- Quantize zoom-aware raster resolution and reuse nearby scales without lowering normal scene quality
* test(canvas): verify retained shadow raster fidelity
- Compare settled retained-backing shadow output with direct CanvasKit rendering\n- Keep backdrop blur on the picture fallback and exercise graph-driven cache invalidation\n- Cover updates, deletion, and reparenting through actual SceneGraph events
* perf(canvas): benchmark real FIG fixtures
- Serve exact local fixture bytes through an isolated Playwright route for production preview runs\n- Wait for document loading and page population before zooming to fit and recording navigation\n- Record the resolved fixture path in benchmark environment artifacts
* fix(canvas): preserve nested effect subtree pictures
- Keep deeply nested shadow documents on one retained subtree picture instead of exploding them into per-node image draws\n- Restrict shadow raster acceleration to effect-bearing page children\n- Cover nested shadow fallback and restore gold-preview FIG pinch performance to master levels
* refactor(canvas): share recorded wheel sample type
* perf(canvas): defer backing settlement across zoom reversals
- Track explicit navigation phases and gesture generations instead of inferring idle from viewport timing\n- Cancel or defer retained backing construction while pan, zoom, momentum, or tentative settlement is active\n- Add a repeated short-pause pinch reversal fixture based on the user trace
* perf(canvas): index bounded render chunks
- Split oversized painter subtrees into self-paint and bounded descendant chunks without dropping container visuals\n- Bulk-load chunk visual bounds into RBush for selective world-space queries\n- Cover bounded updates and gold-preview build/query complexity before tile rendering consumes the index
* refactor(canvas): namespace render chunk coverage
* perf(canvas): model chunk paint context
- Preserve ancestor transform and clip dependencies for independently renderable chunks\n- Keep opacity, blend, blur, and mask isolation subtrees atomic until command-level splitting exists\n- Report oversized atomic chunks and lock gold-preview to bounded painter units
* perf(canvas): record pixel-correct render chunks
- Record interruptible chunks in world coordinates with ancestor transforms, clips, and chunk-local culling bounds\n- Draw opacity, blend, blur, and mask isolation chunks directly into destination surfaces in painter order\n- Compare composited chunk output with direct CanvasKit rendering instead of relaxing visual thresholds
* perf(canvas): render selective world tiles
- Map world regions to fixed 256-device-pixel tile targets and quantized sharpness levels\n- Query only intersecting render chunks and preserve atomic destination compositing\n- Match multi-tile CanvasKit output against direct rendering and measure gold-preview tile cost
* perf(canvas): cache chunk pictures across tiles
- Reuse world-space chunk command pictures for every intersecting tile\n- Pool 256-pixel tile surfaces and expose allocation, draw, flush, and snapshot timings\n- Keep expensive atomic foreground blur visible as an over-budget scheduler constraint
* perf(canvas): schedule cached tile rendering
- Bound tile images with an LRU cache and reuse pooled CanvasKit surfaces\n- Plan mandatory holes, stale visible refreshes, and overscan by navigation and content generation\n- Stop jobs at a strict deadline while reporting fallbacks, stale work, overruns, and over-budget effects
* perf(canvas): integrate progressive tiled rendering
- Keep retained scene output as the interaction fallback while exact tiles refine only after navigation becomes idle
- Centralize runtime URL flags and pass renderer selection through the typed Vue canvas API
- Replace benchmark sleeps with explicit mode-aware renderer settlement and report exact tiled coverage
- Preserve bounded scheduler metrics, generation cancellation, native resource cleanup, and shared visual-bounds logic
* refactor(app): centralize runtime query configuration
- Parse collaboration, recent-files, benchmark, presentation, and renderer flags in one typed app module
- Remove ad hoc URL parsing from workspace and collaboration runtime consumers
- Cover supported values and production-safe defaults without adding a repository lint rule
* fix(canvas): replace fallback pixels with exact tiles
- Render opaque page-background tile cells and install them with source replacement instead of double-compositing translucent scene content
- Exercise the live progressive controller against direct rendering across masks, effects, blend isolation, images, fallback text, transforms, and clipping
- Preserve the bounded reversal path with zero Long Tasks and exact settlement near 128 ms on gold-preview.fig
* perf(canvas): invalidate tiled content selectively
- Index chunk dependencies across contained nodes and transform or clipping ancestors
- Re-record affected chunk pictures and invalidate tiles intersecting old or new visual bounds
- Advance unaffected cached tiles to the new scene generation instead of rebuilding the full chunk index and tile cache
- Keep structural graph mutations on the safe full-rebuild path and cover selective refresh end to end
* perf(canvas): bound atomic blur tile refresh
- Render atomic blur chunks with tile-local isolation bounds and blur halos instead of replaying full-subtree layers
- Keep content refresh behind the retained fallback, cap GPU submissions to four tile jobs per frame, and adapt estimates from measured work
- Preserve large-radius CPU over-budget visibility while preventing Metal-backed refresh bursts and deferred GPU overload
- Add deterministic node-mutation benchmarks and summarize scheduler throughput, job duration, overruns, and exact content settlement
* perf(canvas): cancel obsolete tile refresh generations
- Count and report queued jobs removed by content or navigation generation changes
- Add deterministic mutation-then-reversal benchmark support without sleeps
- Assert exact tile work remains suspended during navigation and resumes for the final viewport
- Summarize cancellation alongside scheduler throughput, overruns, and settlement metrics
* test(canvas): cover live tiled blur settlement
- Load gold-preview.fig through the real tiled canvas surface and wait on explicit renderer settlement
- Commit the settled radius-210 large-blur browser snapshot
- Replay the canonical zoom reversal during refresh and require byte-identical final canvas convergence
* fix(canvas): harden renderer resource lifecycle
- Release tiled surfaces, images, pictures, and queued work across surface, font, graph, page, structure, and renderer lifecycle boundaries
- Restore pooled canvas, viewport, and backing state through exception-safe native recording and raster paths
- Rebuild tiled chunk topology only when isolation requirements actually change, preserving selective blur mutation performance
- Document deterministic active-renderer settlement and add lifecycle, graph replacement, cache failure, and surface replacement regressions
* test(canvas): remove source-matching renderer claims
- Delete the autopsy suite that inferred runtime correctness from source text, regexes, line placement, and symbol counts
- Keep renderer ordering, cache cleanup, effect behavior, and pixel fidelity covered by executable behavioral and lifecycle tests
* perf(canvas): present retained backing during tiled navigation
- Profile production reversal traces and attribute tiled p95 cost to GPU command-buffer flushes from full-scene fallback replay and tile presentation
- Use the retained backing as the moving fallback while tile scheduling and cached lookup remain allocation-free
- Defer tile image presentation until idle and expose visible versus presented tile counts in navigation telemetry
- Reduce tiled reversal render p95 from about 8ms to 0.3ms while preserving exact idle replacement and visual parity
* perf(canvas): prioritize visible tile settlement
- Profile per-tile allocation, draw, flush, snapshot, and chunk costs through scheduler telemetry
- Defer overscan until all visible exact tiles are covered
- Replace the four-job idle cap with a higher safety ceiling while the measured five-millisecond deadline controls cheap work
- Reduce mutation-plus-reversal exact settlement from about 272ms to 160ms without Long Tasks, overruns, or over-budget jobs
* refactor(canvas): clarify renderer lifecycle boundaries
- Extract retained backing state types and navigation preview timing\n- Isolate tiled scheduler telemetry from frame orchestration\n- Document settlement and CanvasKit ownership invariants\n- Preserve hot drawing loops, budgets, cache limits, and rendering decisions
* fix(canvas): preserve current label rendering
Retain the merged paragraph-label cache lifecycle and substituted-font readiness while reconstructing the renderer stack on current master.
* test(canvas): keep tile benchmark assertions deterministic
Keep performance timing in benchmark telemetry while asserting structural tile selectivity and cache behavior in CI.
* feat(canvas): expose experimental tiled rendering
- Persist retained or tiled canvas mode in General settings\n- Keep retained rendering as the default and apply changes after reload\n- Preserve URL overrides for deterministic benchmarks and support reproduction
* refactor(app): centralize renderer preference state
Expose renderer override provenance from runtime configuration and keep the settings control's derived state separate from its explicit persistence action.
* refactor(app): share settings layout anatomy
Reuse slot-based section headers and bordered groups while keeping each settings control row explicit.
* fix(canvas): harden tiled renderer boundaries
- Bound low-zoom tile planning and handle failed tile surface allocation\n- Preserve effect raster dependencies, runtime-safe clocks, and navigation timing contracts\n- Keep benchmarks deterministic, backward compatible, and accurately localized
* fix(canvas): invalidate dependent node pictures
Track first-child shadow dependencies for retained node pictures so child geometry updates cannot leave stale parent shadows.
* fix(text): prepare browser fonts atomically
- Fetch approved Fontsource resources directly in browsers with bounded responses and retryable provider failures
- Limit page font resolution concurrency and retain live Inter substitution paragraphs after baked glyph invalidation
- Shape frame, section, and component labels through a bounded native Paragraph cache
- Cover real Geist, Geist Mono, and Roboto Mono browser loading plus substitution and cache lifecycle behavior
* test(canvas): cover substitution and label shaping
- Capture baked missing-font text before editing, live Inter substitution on first input, and visible undo output
- Assert text-picture and derived-glyph invalidation with finalized substituted readiness
- Cover shaped frame, rotated frame, section, component, component-set, ellipsis, kerning, and zoom label presentation
* fix(text): preserve same-origin fetches during font resolution
- Route same-origin application and fixture requests through native fetch while Unifont temporarily proxies global HTTP requests
- Keep the external provider HTTPS allowlist enforced for cross-origin font resources
- Cover the production race discovered while loading gold-preview.fig during provider initialization
* fix(text): preserve substituted path glyphs
- Keep imported derived curved glyphs for text-on-path layers when exact fonts finalize as substituted
- Cover substituted path rendering through the runtime renderer and refresh the corrected visual oracle
- Update shaped Inter measurement badges and merged typography panel snapshots after visual inspection
- Search virtualized font catalogs explicitly and restore the canvas screenshot helper used by broad E2E coverage
* fix(text): use browser font transport without desktop warning
- Keep the browser provider implementation aligned with current settings behavior after splitting from preparation
* test(text): inject same-origin browser font context
- Keep the transport test deterministic outside a Window global
* fix(text): preserve final browser font transport hardening
- Carry the same-origin large-document bypass and bounded cross-origin provider checks from the preserved integration snapshot
* fix(text): initialize font transport outside Window contexts
- Keep unit and headless module imports safe while browsers use their current origin
* test(text): satisfy async visual fixture contract
- Return from the resolver setup continuation after requesting render
* test(canvas): include paragraph cache lifecycle
* fix(text): cancel queued browser font loads
- Race serialized provider work against preparation cancellation\n- Release queue slots after cancelled waiters without disturbing active requests\n- Reuse one section-title paragraph cache entry for measurement and drawing
* fix(text): close font queue cancellation races
- Release reserved proxy queue slots when cancellation lands after queue acquisition\n- Skip paragraph work for zero-width section labels
* fix(text): abort active provider resolution
- Race active provider resolution against its preparation signal and restore the temporary fetch proxy promptly\n- Forward cancellation through proxied provider requests\n- Align the renderer font-readiness facade with substituted text
- Dispose parent outline paint during renderer teardown
- Dispose section and component label fonts with other renderer-owned fonts
- Cover renderer teardown for label resources
Co-authored-by: Joseph Cumines <joeycumines@gmail.com>
Danila Poyarkov