Commit Graph
35 Commits
Author SHA1 Message Date
Miguel Angel Simon Sierra d84e999f72 fix(parsers): preserve authored keyframe intent 2026-07-25 14:12:17 +02:00
James Russo 42055296ee fix(studio): make sdk cutover transactional (#2155) 2026-07-15 10:29:22 -04:00
Miguel Ángelandukimsanov df29fa7a5e feat(studio): revamps Studio + improves code quality (#2291)
* feat(studio): glue API coexistence layer for the NLE swap

What: extends 21 glue files so the OLD timeline/canvas engine and the NEW
NLE components type-check side by side: playerStore (multi-select setters,
zoom pin, snap toggle, non-reactive scale scratch), drag-state types gain
optional NLE fields, timelineLayout/timelineAssetDrop/timelineEditingHelpers/
timelineEditing/timelineElementHelpers/studioHelpers/assetHelpers gain the
NLE exports, DomEditOverlay + gestures + AssetContextMenu + Timeline props
gain optional callbacks/params, contexts gain *Optional hooks, and
TimelineEditCallbacks.onMoveElements becomes a bivariant method accepting
both engines' change shapes. patchDocumentRootDuration's test rides along.

Why: this is the keystone that dissolves the old "welded glue" problem —
every symbol the NLE components need is ADDED next to what the old engine
still uses, so the engine components and the swaps can land as separate
reviewable PRs.

How: 15 authored intermediate files (main content + additive symbols; no
behavior changes — new fields optional, new callbacks unused until wired)
plus 6 files whose final content is already purely additive. New exports
without consumers yet carry TEMP(studio-dnd) ignoreExports entries, removed
by the app-shell swap.

Test plan: tsc --noEmit in studio + studio-server (verifies BOTH engines
compile); bunx vitest run (full suite green incl. the 6 new
patchDocumentRootDuration tests); fallow audit clean.

* feat(studio): timeline interaction hooks and lanes component (unwired)

What: the timeline-side wiring layer, unwired: TimelineLanes (the lane
renderer driving drag/resize/marquee), timelineMarquee (+tests),
useTimelineStackingSync, useTimelineGeometry, useTimelineEditPinning,
useTimelineEditingDrops.

Why: everything between the pure drag math and <Timeline> itself; the
timeline-glue swap PR then only rewires Timeline/TimelineCanvas onto these.

How: new files, tsc-clean against the coexistence layer. Unwired components
carry TEMP(studio-dnd) entry registrations, removed at the app-shell swap.

Test plan: bunx vitest run timelineMarquee.test.ts; tsc --noEmit; fallow
audit clean.

* feat(studio): NLE shell assembly (unwired)

What: EditorShell (the full editor layout replacing NLELayout +
StudioPreviewArea), TimelinePane (timeline host with sub-comp rebasing) and
useTimelineEditCallbacks (the callback bag bridging store edits to the
timeline), all unwired.

Why: the shell that App swaps to in the final step; reviewing it standalone
keeps that swap PR small.

How: new files against the coexistence layer; TEMP(studio-dnd) entries
until App mounts EditorShell in the app-shell swap.

Test plan: tsc --noEmit; bunx vitest run (suite unchanged); fallow audit
clean.

* feat(studio): timeline glue swap — Timeline/TimelineCanvas onto the NLE engine

What: flips the timeline glue to its final form (23 files): Timeline and
TimelineCanvas rebuilt on TimelineLanes/TimelineOverlays, useTimelineClipDrag
drives preview/commit through the new drag engine, range selection goes
multi-select, playback loop moves to useTimelinePlayerLoop. Deletes the 9
old-engine files this orphans (group drag, marquee selection, snap targets,
layer gutter, selection overlays + their suites) — each is compile- or
gate-forced by this swap, verified by probe.

Why: second swap step; timeline-only, canvas and App untouched.

How: modified files to final content + forced deletions.
playerStore/timelineEditing/timelineCallbacks stay at their coexistence
form until the app swap (the old App still runs on them).

Test plan: tsc --noEmit; bunx vitest run (full suite); fallow audit clean.

* feat(studio): clip thumbnail modules

What: ImageThumbnail (+tests) and thumbnailUtils (+tests) — frame decode
with SVG/AVIF format fallbacks and rounded-corner clipping — plus
VideoThumbnail updates.

Why: the decode layer for timeline clip thumbnails, ahead of the visual
refresh that renders them.

How: new modules + one modified file; purely presentational.

Test plan: bunx vitest run on both test files; tsc --noEmit; fallow audit
clean.

* feat(studio): assets/blocks panel behaviors + preview helpers

What: blocks tab install flow, right-panel and global drag-overlay polish,
music beat analysis and clip-content rendering hooks, and the
preview-helper utilities backing asset preview.

Why: completes the studio NLE stack on top of the visual refresh.

How: modified files only (kept as one PR: splitting further would produce
sub-150-LOC fragments of interdependent panel glue).

Test plan: bunx vitest run studioPreviewHelpers/studioUrlState suites; tsc
--noEmit; fallow audit clean.

* fix(studio): restore timeline playback loop

* fix(studio): restore missing GSAP helpers module

* refactor(studio): split timeline GSAP helpers

* style(studio): keep timeline helper under size limit

* fix(studio): restore timeline overlays module

* fix(studio): remove stale GSAP import

* fix(studio): restore canonical timeline dependencies

* style(studio): format restored timeline helpers

* style(studio): satisfy helper line limit

* fix(studio): repair rebuilt timeline integration

* feat(studio): complete rebuilt NLE cutover

* fix(studio): guard project and timeline race boundaries

* fix(studio): preserve graded resize and crop geometry

* fix(studio): log resize/rotate commit failures, move anchor accumulator to resize-local

* fix(studio): treat duration-0 tweens as static holds and settle resize position before persist

Instant holds (to()/fromTo() with duration 0) were classified as animated
tweens by every commit route, so resizing or rotating them converted the
hold into a corrupt duration-0 keyframes tween (new value at 0%, old at
100%) that GSAP drops; panel edits appended a losing set. A shared
isInstantHold() now routes them through the static replace-in-place path,
and percentage math guards zero-duration windows.

Separately, anchored-corner resizes painted 3-5 frames at the new size but
old position while the offset persist round-tripped the server. The commit
path now applies the corrected GSAP position synchronously before awaiting
the offset persist, mirroring the scale route's settle.

* feat(studio): gesture-transaction seam with commit observability

Introduce runGestureTransaction — one owner for a gesture commit's
settle -> persist -> record lifecycle. It settles the live DOM
synchronously before any async persist, folds every mutation into one
undo entry via a per-transaction coalesceKey, restores pre-gesture state
exactly once on failure, and asserts (dev console) + reports (PostHog:
commit_transaction / commit_invariant_violation / commit_transaction_failed)
that a persist never changes pixels. The box-size resize path is migrated
onto it; the ad hoc per-route coalesceKey/reload handling is removed.

Extract the resize draft-rect math into resizeDraft.ts to keep the
gesture-handler file under the size cap.

Also: keep url_hash telemetry to the route slug only (drop the query
string, which carried the user's selected element id/selector), and gate
the [hf-resize] diagnostics behind localStorage hf-resize-debug so they
ship as opt-in tracing rather than console noise.

* fix(studio): transaction owns the undo label

The coalesced history entry took the last sub-mutation's label, so a
resize surfaced as "Move layer" (the offset persist) in undo/redo. The
seam now stamps tx.label on every wrapped mutation, so the folded entry
reads as the gesture.

* fix(studio): atomic static size/position commits (no data loss)

Static resize/position holds updated an existing set via delete+add — two
undo entries, and a delete that succeeded before a failed add lost the
hold on disk. Use one in-place update-properties mutation when a set
exists (one undo entry, no partial-failure window). The keyframed-hold
heal that can't be expressed as a property update now adds before it
deletes, so any single failure leaves a recoverable duplicate, never a
lost hold. Transaction-owned commits are tracked via a WeakSet so the
heal path never double-wraps an already-wrapped gesture.

* fix(core): restore timed-clip visibility after a forced timeline rebind

__hfForceTimelineRebind force-rendered the re-registered timeline but never
re-ran the per-[data-start] visibility pass, so after undo or soft reload
every clip rendered regardless of its time window until a full page reload.
Extract the visibility loop into syncTimedElementVisibility and call it from
both syncMediaForCurrentState (unchanged) and the rebind.

* fix(studio): atomic z-order/keyframe/split commits, one undo entry each

Three edit-commit paths hardened onto the one-transaction invariant:

- Z-order reorder (useElementLifecycleOps): N per-element writes now fold
  into one undo entry (coalesceMs Infinity) and, on a failed persist,
  restore already-written files to disk so no partial reorder survives.
- Enable-keyframes (useEnableKeyframes/useGsapKeyframeOps): the intermediate
  convert phase no longer full-reloads the preview (skipReload), killing the
  black-flash remount; convert + edit share one coalesce key = one undo entry.
- Razor split-all (useRazorSplit): snapshot before the batch and restore on
  any failure, so a mid-batch error never leaves un-revertable partial splits.

Shared file-history helpers (RecordEditInput, DomEditCommitBaseParams,
readProjectFileContent, restoreFilesToOriginal) dedupe the rollback/commit
logic across these paths. Commit options thread as one partial object rather
than field-by-field. Test setup extracted into colocated helpers.

* fix(studio): fold multi-step edits into one undo entry; guard text revert

- Gesture recording (useGestureCommit): the per-property-group commits now
  share one coalesce key and only the last reloads, so a recording is one
  undo entry and one preview reload instead of up to four.
- Delete selected keyframes (deleteSelectedKeyframes, split out of
  timelineEditingHelpers): N removals fold into one coalesced undo entry
  with a single reload.
- Text-field commit (useDomEditTextCommits): commitDomTextFields now uses
  the same version-guarded revert as handleDomTextCommit, so a stale failed
  commit can no longer stomp a newer successful one.

* feat(studio): batch a gesture's mutations into one atomic server write

A transaction that emits N mutations previously did N sequential POSTs,
each rewriting the file and soft-reloading — the root of the multi-phase
persist window. Add a gsap-mutations-batch endpoint that validates every
mutation up front, applies them in one in-memory rewrite chain, and writes
the file once (all-or-nothing: an invalid entry rejects the whole batch,
no partial write). The seam buffers a transaction's commits and, when more
than one targets the same file, dispatches a single batch — one write, one
history entry, one reload. The batch capability rides on the existing
commit-function reference; no option fields are threaded through callers.

* fix(studio): soften off-canvas indicator outline to 30% opacity

The dashed off-canvas selection outline at 60% was noisy with many
protruding elements on screen; drop the resting opacity to 30% (hover
still restores full opacity so it stays discoverable).

* fix(studio): drop off-canvas indicator outline to 10% opacity

Follow-up to the 30% softening — 10% resting opacity reads much calmer
with many protruding elements; hover still restores full opacity.

* fix(studio): gate [hf-commit] console traces to dev only

The start/settled/persisted/restore lifecycle traces logged on every
gesture commit in all environments — console noise for end users. Route
them through a dev-only traceCommit helper (matching the pixel-violation
error's existing DEV gate). The commit_* PostHog events stay always on;
they are the production observability, the console lines are a dev aid.

* fix(studio): count actual reloads, not softReload requests, in commit telemetry

A resize's size and offset persists both request softReload; the seam
counted each request, so a batched gesture reported reload_count 2 even
though the batch is one write and one reload. Compute the count from what
dispatchBufferedCommits actually did — one for a batch, the request count
for the sequential fallback.

* fix(studio): rotate hover + off-canvas overlays with the element; flicker-free crop

- Hover overlay applied the element's rotation only to the selection chrome,
  not the hover box; it now rotates about center like the selection, via a
  shared orientedGroupAwareOverlayRect router (one owner for rotation-aware
  overlay geometry across hover/selection/off-canvas).
- Off-canvas indicator was axis-aligned; it now rotates with the element and
  inverse-rotates the canvas-exclusion clip into the element's local frame,
  so the protruding-sliver clip stays correct for rotated elements.
- Crop commit re-lifted the element only in the commit's .then(), so one
  frame painted the cropped state (the flicker). Re-lift synchronously right
  after onStyleCommit (which applies the clip before its first await), so the
  cropped state never paints; the persisted file value is unchanged.

* fix(studio): address code-review findings across the commit-hardening campaign

Correctness (would ship green, bite under latency):
- Enable-keyframes phase 2 now carries coalesceMs: Infinity, so the convert
  folds into one undo entry instead of splitting past the 300ms default.
- The SDK keyframe persist path forwards coalesceMs (CutoverOptions gains the
  field); multi-keyframe delete and convert coalesce correctly when SDK-routed.
- Razor split-all's rollback is guarded so a failing restore can't swallow the
  error toast that tells the user the split failed.

Simplification (single source of truth / no dead flexibility):
- Decompose resolveResizeDraftRect (drops a fallow-ignore suppression).
- Delegate the third readProjectFileContent copy to the shared helper.
- Inline setPatchFromUpdateProperties (its only caller passes one mutation).
- One toSdkPersistOptions translates gesture overrides to SDK options.
- Bundle the reorder-rollback deps into one object (was 7-9 positional args).
- Dedupe the 'last group reloads' ternary; type gesture options as
  CommitMutationOptions; drop a Map+array wrapper around a single write.

* feat(studio): atomic z-order reorder via batch patch-element endpoint

Z-order reorder issued N per-element inline-style patches (one server
write each), so a mid-chain failure could leave a partial reorder on disk.
Add a patch-elements-batch endpoint that validates every patch, folds them
over the file in one in-memory rewrite, and writes once (all-or-nothing;
unsafe input rejects with no write). The reorder now sends one batch per
source file and records one undo entry. Because a failed atomic write
persists nothing, the interim disk-write-back rollback (restoreReorderedFile
/ restoreFulfilledReorderFiles / ReorderRollbackDeps) is deleted — failure
rolls back only live DOM/store state. Closes the last disk-atomicity gap.

* fix(studio): razor-split undo no longer silently no-ops

The split clone was written to disk without a data-hf-id, so the split
endpoint recorded that unstamped HTML as the undo entry's afterHash. The
next reloadPreview() ran the preview route's ensureHfIds write-back, which
minted a fresh id and persisted DIFFERENT bytes — so at undo time the disk
hash no longer matched afterHash and editHistory's content-mismatch guard
silently refused the undo (no write, no network, no error). Stamp the split
output via ensureHfIds in splitElementInHtml before it is written/returned,
so the preview write-back is a no-op and the recorded afterHash always
equals the final on-disk bytes. Fixes at the source rather than relaxing the
mismatch guard. Corrects the stale comment that credited forceReloadSdkSession.

* feat(studio): closed-hand grab cursor on the rotate handle

The rotate handle used the default arrow cursor; show a grabbing
(closed-hand) cursor on hover to signal it's grabbed and dragged to rotate.

* fix(studio): dropping a dragged element over another no longer selects it

A moved drag's release fired the box click, which re-selected whatever now
sat under the pointer via the hover cache — so dropping an element over a
higher-z one selected the drop target instead of keeping the dragged
element selected. The drag-move branch now suppresses the next box click,
mirroring the resize branch.

* fix(studio): group drag is one undo entry, not one per element

Dragging a multi-selected group committed each member's position write as
its own undo entry, so reverting took N Cmd+Z presses. Force a shared
coalesceKey (infinite window) across every member's commit so they fold
into a single undo entry, like the other multi-step commit paths.

* fix(studio): undo of a split no longer leaves a ghost clip in the timeline

The file and the composition iframe revert correctly on undo, but the
timeline panel kept a ghost node for the split clone. The element-merge
that repopulates the timeline preserves elements the fresh scan dropped —
intended for enriched sub-composition children a bare DOM re-scan misses,
but it also preserved a genuinely-removed TOP-LEVEL element (the split
clone after undo), leaving a phantom clip. Restrict the preserve to
elements with a compositionSrc (the enriched sub-comp children); a
top-level element missing from the fresh scan was truly removed.

---------

Co-authored-by: ukimsanov <ular.kimsanov@heygen.com>
2026-07-13 02:55:36 -04:00
Miguel Angel Simon Sierra 5d1cafff82 fix(studio): address review findings on graded-element editing
Review follow-ups (both reviewers, all findings):

- resize captures scope to the resize group: convert-to-keyframes
  resolvedFromValues and the whole-offset backfill pass the group filter,
  so an opacity-touching intro tween can't ride into a converted scale
  tween (the rotation fix's contract, now uniform across intercepts)
- commitStaticSet resolves every group's target set BEFORE committing and
  coalesces groups landing on the same legacy mixed set into one commit —
  the second commit can no longer chase a stale group-derived id
- installAuthoredOpacityCapture also stamps an element the moment it GAINS
  data-color-grading at runtime (attributeFilter), not just at insertion
- both writer twins now share the same emitted-set dedupe shape
- applySoftReload's positional tail becomes a SoftReloadOptions object
- readAllAnimatedProperties builds the group-filtered key set immutably
  instead of deleting from the set mid-iteration
- applyAuthoredInlineOpacity documents the priority-lossy round-trip
- the marquee hit-test reads activeCompositionPathRef like its neighbors

New tests: resize intercept (scale route + group filter + non-uniform
longhands), after-write-HTML / stamp / empty-stamp opacity restore, the
no-op-commit-with-missed-instant-patch soft-reload contract, and the
runtime-gained-grading stamp.
2026-07-11 15:18:49 -04:00
Miguel Angel Simon Sierra 5cc14c2221 fix(studio): stop tween re-inits from baking runtime opacity transients
Editing commits made elements vanish or dim permanently: invalidating the
whole timeline (or re-running the composition script on soft reload) made
GSAP re-capture tween bounds while runtime transients were live — the
grading hide's opacity 0, or a mid-flight tween value — so from()/to()
bounds got poisoned and the element rendered invisible from then on.

- patch only the edited tween in place, never timeline.invalidate()
- soft reload restores every animated element's authored inline opacity
  (after-write HTML first, parse-time stamp as fallback) before the script
  re-runs and re-captures
- a paired x/y commit whose second half is a no-op (changed=false) still
  applies its instant patch, so panel edits reflect without deselecting
2026-07-11 03:34:21 -04:00
Miguel Angel Simon Sierra 70606f840d fix(studio): re-sync soft-reloaded timelines to the studio's own scrub time
Dragging a motion-path keyframe node committed correctly, but the soft
reload that refreshes the preview re-seeked the freshly rebuilt GSAP
timeline using the iframe's raw __player.getTime(), which can lag the
studio's authoritative currentTime right after a keyframe drag parks the
playhead. The stale seek left the element (and its selection/motion-path
overlay) rendered at an unrelated position after the edit.

applySoftReload now takes the caller's currentTime instead of trusting the
iframe's own clock, and the re-seek runs before __hfForceTimelineRebind so
its internal force-render picks up the correct time.
2026-07-01 21:34:38 -07:00
Miguel Ángel 364992203e feat(studio): motion editing — speed-curve editor, class-tween attribution, per-keyframe size & ease (#1705)
Speed-curve editor: a fixed-square cubic-bezier graph (grid, linear reference,
draggable handles, live preview) for editing eases; conventional preset grid.

Class/selector tweens: attribute `gsap.from(".dot", …)`-style tweens to every
matching element so they surface in the inspector and keep their timeline
keyframe diamonds when the clip is selected.

Apply-to-all easing: a "Set all…" control sets easeEach and strips every
per-keyframe ease override in one mutation (AE select-all + F9). Implemented in
BOTH gsap writers — the acorn writer and the recast writer (the default server
path); the recast side was missing resetKeyframeEases, so "Set all" set easeEach
but left per-keyframe eases in place.

Per-keyframe size: resizing an animated element writes a width/height keyframe
at the playhead — other keyframes keep their size — instead of a global
gsap.set hold; static elements keep the simple global resize. The extra size
tween exposed a motion-path bug (the overlay read whichever tween contained the
playhead), fixed with an opt-in requireChannels filter so the path only reads
the positional tween.

Inferred Timing: derive Start/End/Duration from an element's animations when it
has no authored clip range, instead of showing 0.00s.

Ease labels now surface the raw GSAP token (power2.out, back.out, …) instead of
invented names ("Smooth slowdown") that confused authors.

Also pass the preview iframe to the inspector's animation hook so element
resolution runs, and remove the unused editDebugLog facility.
2026-06-24 23:38:13 -04:00
Miguel Ángel 091137e3c3 feat(studio): instant, flicker-free manual editing (#1605)
* chore(producer): shim __filename/__dirname in the CJS banner

Bundled CJS deps like wawoff2 call __dirname; without the shim they throw
"__dirname is not defined in ES module" at render time. Also ignore .zed/.

* chore(producer): use a template literal for the CJS banner (review nit)

* feat(core): add GSAP keyframe + motion-path source mutations

Array-form keyframe removal in both the recast and acorn writers, plus
update/add/remove-motion-path-point and add-motion-path. Exclude _auto and
data from tween property-group classification.

* fix(core): address #1554 review — data-exclusion test, split-fix doc, motion-path sentinel, parity blocks

- Regression test for the `data` GSAP-key exclusion (parallel to _auto).
- splitAnimationsInScript: documented that .fromTo()/.to() correctly stay out of the
  from-branch (only .from() reverts) and the <= boundary; added mid-flight straddle tests.
- addMotionPathToScript failure path returns id: null (was empty-string sentinel); caller updated.
- Parity blocks for addKeyframeToScript array-form + updateKeyframeInScript (mirroring
  removeKeyframeFromScript). Surfaced a latent acorn array-form partial-props merge bug —
  documented as it.skip with a ready assertion (acorn cutover follow-up).

* feat(core): route motion-path mutations through studio-api + fix clip stamping

Wire the new mutations into the file save route. Only authored clips suppress
descendant stamping, so auto-stamped animated scenes can inline-expand.

Hide in-flow timed clips with `display:none` only when they are LEAF clips (no
nested timed clips). `display:none` on a container removes its whole subtree,
hiding descendants that are still inside their own visibility window — e.g. an
in-flow composition root whose effective window clamps to the timeline end would
black out a child video that should still show (the hdr-hlg regression).
Containers keep `visibility:hidden`, which a visible descendant can override; only
leaves leave the flow, which is all the split-overlap case needs.

* feat(core): strip legacy path-offset/rotation + drop obsolete studio lint rule

A position or rotation add/set mutation makes the GSAP timeline the single source of
truth for that channel, so any lingering --hf-studio-offset / --hf-studio-rotation CSS
var must be cleared to avoid double-applying. stripStudioEditsFromTarget now clears both
channels, and the add-strip fires for the position AND rotation property groups.

Also removes the obsolete `gsap_studio_edit_blocked` lint rule: it warned that Studio
cannot save drag/resize edits to elements in a registered timeline — the exact premise
the single-source work inverts (the timeline is now the edit target). Removed the rule,
its now-unused TIMELINE_REGISTRY_ASSIGN_PATTERN import, and its 5 tests.

* fix(core): address #1555 review — complete hold-sync, invalidate clip cache, strip rotation channel

- HOLD_SYNC_MUTATION_TYPES: add add-motion-path (load-bearing — addMotionPathToScript
  authors past t=0 → first-frame snap-to-(0,0) without the hold), update-meta,
  shift-positions, scale-positions, split-animations. (add stays out: flat tweens
  only, syncPositionHoldsBeforeKeyframes is a no-op for non-keyframed tweens.)
- init.ts: timedClip in-flow/leaf WeakMaps now invalidate on clipTreeSignature change;
  visible/hidden branches both go through isTimedClipInFlow (was .get() by accident).
- keyframesWriteRotation mirrors keyframesWritePosition so a rotation-only keyframe set
  strips the stale --hf-studio-rotation channel.

* feat(studio): GSAP runtime read layer + shared helpers

* fix(studio): address #1607 review — cold-parse vs fetch-error budgets, isZeroDurationSet, array-ease tests

- useGsapAnimationFetchFallback: discriminate resolved/fetch-error/cold; only the cold
  (warm-but-zero) race gets the full ~600ms retry budget — a hard fetch error retries once.
- Extract isZeroDurationSet (was !(duration>0) duplicated); rejects NaN, documents intent.
- parsePercentageKeyframes: cite GSAP even-index spread; tests that a per-entry/interior
  ease is stripped without shifting the other keyframes' percentages.

* feat(studio): GSAP drag/commit/bridge editing infra

* fix(studio): address #1608 review — facade awaits commit, strict stale-parse guard, clearProps restore

BLOCKER: useSafeGsapCommitMutation now RETURNS the (.catch-chained) commit promise and the
commitMutation facade awaits it — so await session.commitMutation(...) resolves AFTER the
server save, fixing both consumers (useEnableKeyframes + useGestureCommit's
showToast/requestSeek/idle, which were firing before the save landed). SafeGsapCommitMutation
return type widened void→Promise<void> (fire-and-forget consumers ignore it).
- stale-parse guard uses hasNonHoldTweenForElement (a leftover hold set no longer counts as live).
- commitFlatViaKeyframes snapshots dragged gsap values before clearProps + restores after seek,
  so a failed commit leaves the dropped pose, not a cleared element.

* feat(studio): motion-path geometry + commit helpers

* docs(studio): address #1609 review — document occlusion fade-in invariant, donut limit, nearestPointOnPath t-semantics

* feat(studio): on-canvas motion-path overlay

* fix(studio): address #1610 review — scope dblclick to pan-surface, kind-aware geometry guard, gate createMode, screen-space drag threshold

* feat(studio): keyframes flag, gesture recording + timeline/selection refinements

* fix(studio): address #1611 review — fetch-first keyframe path, gated hydration, dev-gated debug + gesture warn, per-group gesture tweens

- useEnableKeyframes: parse current source first (null-vs-[] distinction) so a delete-all's
  empty parse isn't overridden by a stale selectedGsapAnimations cache.
- useStudioUrlState: freeze the hydration effect's time dep once hydrated (was re-running every tick).
- useGestureRecording: dev-gated console.warn when the live-preview runtime throws (was silent).
- playerStore: gate window.__playerStore behind dev (guarded import.meta.env.DEV).
- useGestureCommit: partition recorded keyframes by property group → one add-with-keyframes per
  group, so a mixed gesture no longer yields an untagged legacy tween.

* feat(studio): single-source manual offset + rotation via the GSAP timeline

Dragging or rotating an element writes into the GSAP timeline (the single source of
truth) instead of a parallel --hf-studio-offset / --hf-studio-rotation CSS var: static
elements commit a tl.set (idempotent on re-edit), tweened elements edit keyframes, and
the live preview moves via gsap.set so what you see equals what is written and renders.
Removes the dual-channel CSS-var/transform reconciliation behind the
fling / disappear / runaway / double-stack / wrong-start bug class — for BOTH position
and rotation (gesture base read from the gsap transform, gsap.set live preview, tl.set/
keyframe commit, dropped the handleDom*Commit CSS fallbacks).

Subcompositions edit the same single-source way, which surfaced and fixes:
- resolve a subcomp element's source file via the composition-id map (the runtime drops
  the source linkage when inlining the subcomposition);
- a selected element's selection box AND motion path use basic visibility, not the
  occlusion heuristic (a backgroundless opacity-1 scene above it is not an opaque cover);
- soft reload rebuilds ONLY the committed composition's timeline, leaving other
  compositions' timelines intact (no cross-composition revert);
- read keyframes from the element's OWN composition timeline (scan all timelines, not
  the first unstable key);
- delete-all uses a soft reload too, so editing no longer hard-reloads the iframe.

* fix(studio): address #1567 review — drop drag-intercept flag, harden softReload onerror, tighten runtime ladder, per-group gestures

- DROP STUDIO_GSAP_DRAG_INTERCEPT_ENABLED: single-source GSAP intercept is the only
  position/rotation channel; the false branch silently killed drag+rotate (and let GSAP
  elements into the keyframe-corrupting CSS path). Removed flag + dead branch + env def + tests.
- gsapSoftReload: plugin onerror no longer fakes success — signals onAsyncFailure so the caller
  full-reloads; honors __hfMotionPathPluginLoading so a concurrent reload can't queue a dup script.
- gsapDragCommit: resolveDragRuntime narrows the as-any ladder; a mid-seek throw logs + drops
  partial reads (no phantom identity) and re-applies the drag override in finally.
- MotionPathOverlay: park-timer cleanup keyed on animId change.
- useGestureCommit: partitionKeyframesByGroup wraps the add-with-keyframes sites (per #1611 review).

* feat(studio): patchRuntimeTweenInPlace — update a tween's values in place

Defensive runtime helper: locate the element's tween in window.__timelines via the
shared resolveRuntimeTween scan, update its set/keyframe vars, invalidate, and re-seek
the playhead — without re-running the whole composition. Returns false (caller falls
back to soft reload) for any shape it can't safely patch (no tween, dynamic/computed
keyframes, motionPath arc, channel mismatch, or any error). Foundation for instant,
flicker-free manual edits.

* fix(studio): address #1612 review — channel-aware set resolution + decline dynamic-expression patches

- resolveRuntimeTween gains an optional channels[] hint; for kind:set it prefers the set whose
  vars carry one of the patched channels and never returns a disjoint-only set (e.g. won't write
  {x,y} into a co-located {rotation} set). patchRuntimeTweenInPlace derives channels from the props.
- patchSet declines (returns false → soft reload) when overwriting a string/dynamic vars[ch],
  instead of silently dropping the computed expression.

* feat(studio): instantPatch fast path in runCommit

A commit carrying an instantPatch option tries patchRuntimeTweenInPlace first; on
success the preview updates in place with NO reload (instant), on false it falls back
to the existing soft reload. Extracts the preview-sync tail into a testable
applyPreviewSync helper. No behavior change when instantPatch is absent.

* feat(studio): route static position/rotation set drags through instantPatch

Static-element position and rotation set commits now attach instantPatch{selector,
change:{kind:set}} so the drag updates in place with no reload. Structural ops (new
tween add, delete-all, convert/split/materialize) and keyframe edits deliberately omit
it and keep the soft reload — keyframe instant-patch needs object-form keyframe support
in patchRuntimeTweenInPlace (deferred).

* fix(studio): address #1613 review — derive instantPatch from the mutation, patch both coalesced commits, wire onAsyncFailure

- commitStaticGsapPosition/Rotation derive instantPatch.change.props from the actual
  update-property mutation(s) sent (one source of truth → findUnsafeMutationValues-validated
  values flow into the patch; can't drift).
- Coalesced x/y: the intermediate x commit also carries instantPatch{x}, the y commit {x,y},
  so a second-POST failure still leaves the preview patched for what persisted.
- applyPreviewSync passes reloadPreview as onAsyncFailure (plugin-CDN load error → full reload);
  per U4 the synchronous false still does NOT escalate.
- (channel disambiguation from #1612 verified end-to-end: {x,y}→position set, {rotation}→rotation set.)

* feat(studio): no full iframe remount for soft-reloadable edits

A softReload edit (and the SDK single-script refresh) no longer escalates to a full
reloadPreview() iframe remount when applySoftReload returns false — the live gsap.set
already shows the value, and a remount is the worst flash + re-inlines subcomps
(reverting their keyframes). verifyTimelinesPopulated now checks the expected target
keys the re-run registers, so a correct scoped re-run doesn't spuriously report empty.
Full reload stays only for the structural (no-softReload) and ambiguous-script paths.

* feat(studio): pre-load MotionPathPlugin so motion-path edits don't async-flash

ensureMotionPathPluginLoaded() runs once at the preview iframe-load seam (NLELayout
onIframeLoad), eagerly loading + registering MotionPathPlugin without killing the
timeline. So when a user adds a motion path to a composition that didn't originally
use one, the soft reload runs synchronously instead of taking the kill-then-await-CDN
async path (the flash). Idempotent + defensive; the existing async fallback stays for
genuine cold-start/CDN-failure.

* fix(studio): don't re-save + reload when source editor syncs externally

The SourceEditor's CodeMirror update listener fired onChange on ANY docChanged —
including the programmatic dispatch that syncs external content (e.g. a manual-edit
commit writing the source back into the open editor). That made the editor re-save the
file and bump refreshKey, fully reloading the preview iframe on every drag/keyframe
edit — defeating the in-place instant patch and causing the flash. Annotate the
programmatic sync (ExternalSync) and skip onChange for it, so only real keystrokes save.

* fix(core): inject MotionPathPlugin into preview when a composition uses motionPath

A studio-created motion path writes a gsap motionPath tween into the single-source
timeline, but the preview HTML only loaded gsap core — so the first render threw
"Invalid property motionPath ... Missing plugin?". Detect motionPath usage and inject
MotionPathPlugin right after the composition's gsap script, version-matched to it.

* fix(studio): dedup __hfMotionPathPluginLoading type decl (restack artifact)

* fix(studio): address #1605 review — distinguish soft-reload failure modes + observability, SourceEditor focus guard

BLOCKER: applySoftReload now returns SoftReloadResult ('applied' | 'verify-failed' |
'cannot-soft-reload') instead of a bare bool. applyPreviewSync + sdkRefresh escalate to a full
reloadPreview() on the PERMANENT 'cannot-soft-reload' (no gsap/rebind hook/scopable key/script,
or sync re-run threw) — fixing the silent-stale-preview U4 dropped — but still suppress the
TRANSIENT 'verify-failed' (live gsap.set is correct). Telemetry: gsap_soft_reload_outcome
(origin/result/escalated) + gsap_instant_patch_fallback, so the U4 invariant is enforced, not asserted.
- SourceEditor: skip the programmatic external-sync replace while the editor is focused, so an
  in-flight commit doesn't clobber the user's uncommitted keystrokes (ExternalSync kept for unfocused).
- Verified ensureMotionPathPluginLoaded already guards __hfMotionPathPluginLoading (no double-append).

* fix(core): align __clipTree and __clipManifest ids via stableClipId

Timeline inline expansion was dead for nested children inside index.html:
the tree keyed id-less elements by a synthetic __clip-N while the manifest
keyed them null, so parent<->child never joined. Both now resolve identity
through stableClipId (id || data-hf-id), which every generated element has.

* fix(core): strip baked runtime + tag comp root in preview assembly

Comps that ship a baked inline runtime were double-loaded (preview injects
its own) and the baked copy failed to parse inline (Unexpected token '<').
Strip it in buildSubCompositionHtml + the disk-fallback preview path. Also
tag the comp root with data-composition-file so the studio resolves a comp's
top-level elements to the right source file instead of defaulting to
index.html (which made the GSAP panel parse the wrong, multi-timeline file).

* feat(studio): set motion-path destination from a toolbar toggle

Replaces the double-click-on-canvas UX (which painted text over the preview)
with a 'Set motion destination' toggle next to Snap/Grid, shown only when the
selected element can take a path. While armed, one canvas press places the
destination. Also removes the dead TimelinePropertyRows component.

* fix(studio): center timeline keyframe diamonds on their percentage

Dropped clampDiamondLeft, which forced boundary keyframes fully inside the
clip so a 0% diamond sat half a diamond right of the 0% point. Each diamond's
midpoint now sits exactly on its % (the clip is overflow-visible).

* fix(studio): resize static elements via tl.set, not a single-stop keyframes tween

Resizing an element with no size animation wrote keyframes:{ <playhead%>:
{width,height} } — one mid-point stop GSAP can't interpolate, so it rendered
NaN/0 dimensions at every other frame and the element vanished (worst off 0%).
Added commitStaticGsapSize (mirrors commitStaticGsapPosition): a static resize
now writes tl.set({width,height}), held at all frames; re-resizing updates it
in place.

* fix(studio): negative-cache failed media probes

Only successful probes were cached, so CORS/404 cross-origin media was
re-probed every rAF-driven timeline re-derive, flooding the console. Remember
failed URLs and skip them.

* fix(studio): type window.setTimeout handle as number

ReturnType<typeof window.setTimeout> infers NodeJS.Timeout when @types/node is
present and clashes with the DOM number the call returns. Type it number.

* fix(studio): drag/resize disappearance, stale-ID duplicates, soft-reload clearProps

- Fix soft-reload clearProps destroying element inline styles — save cssText,
  clear, restore, strip only transform
- Fix resize no-op on re-resize: delete+add instead of two update-property
- Route set tweens through static resize path (convertToKeyframes skips sets)
- Re-fetch animation ID before drag commit to prevent stale-ID duplicates
- Guard editDebugLog for Node test environments
- Fix NLELayout setState-during-render (move reset to useEffect)
- Stop SnapToolbar pointer events propagating to canvas deselect handler
- Enable click-to-add waypoints on cubic motion paths
- Add whole-path drag offset (Alt+drag shifts all keyframes together)
- Add Canvas shortcuts section to ShortcutsPanel
- Extract useMotionPathData + commitGsapPositionFromDrag (filesize compliance)
- Delete dead code (getElementDepth, isElementVisibleInPreview, unused exports)
2026-06-22 01:21:18 -04:00
Vance IngallsandClaude Opus 4.8 8c981a451a fix(studio): restore timeline move/resize fallback parity (review #1466) (#1539)
* fix(studio): restore timeline move/resize fallback parity (review #1466)

The §3.2 sdkTimingPersist rewrite regressed the non-SDK fallback path vs the
pre-cutover behavior. Restored, on both fallback entry points (no-session and
sdkTimingPersist-returned-unhandled):

- Resize live DOM patch dropped the conditional data-playback-start/media-start
  attr — restored so a start-trim updates the preview's in-point immediately.
- Move/resize fallback dropped the GSAP-position sync (shift/scaleGsapPositions)
  + reloadPreview — restored so server-path edits keep GSAP tweens in sync and
  refresh the preview (the SDK path folds both into setTiming).
- Undo-coalesce drift: fallback enqueueEdit carried no coalesceKey while the SDK
  branch did — plumbed coalesceKey through persistTimelineEdit so undo
  granularity is identical on either path.
- Documented the hasPbsAdjustment second clause + sdkTimingPersist before-capture
  transition limitation.

Flag-off (dark launch) so this lands as one fix PR at the stack tip rather than
restacking the mid-stack §3.2 commit. #1500 review items: parity-harness gap
already closed at the tip (arc/unroll recast-vs-acorn parity added); blockRemoveRange
flagged 'potential' but verified correct (no comma residue on any block position).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

* fix(sdk): retire duplicate removeGsapKeyframe keyframeIndex variant (review #1498)

EditOp had two removeGsapKeyframe members with the same discriminant but
different shapes (keyframeIndex vs percentage) — TS can't discriminate them and
a handler could get the wrong shape. Per both reviewers (option 2): retire the
keyframeIndex variant. It had no production caller (Studio dispatches percentage
only); removed the dead by-index handleRemoveGsapKeyframe + simplified the
dispatcher. resolveKeyframe stays (setGsapKeyframe still uses keyframeIndex).
Converted the one by-index test to the percentage API.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

* fix(studio): gate ALL cutover persist paths on the flag — true dark launch (review #1469 finding #6)

Only sdkCutoverPersist (style/text/attr) checked STUDIO_SDK_CUTOVER_ENABLED.
sdkTimingPersist, dispatchGsapOpAndPersist (every GSAP op) and sdkDeletePersist
guarded only on `!sdkSession` — and useSdkSession opens a session by default
for shadow/selection, so timing/GSAP/keyframe/delete cutover was ALWAYS live
regardless of the flag. Flipping the flag OFF could not disable it, so the
data-loss bugs in those paths (single-prop wipe, wrong-keyframe match, tween
collapse, arc strip) ship LIVE on merge instead of being dark-launched.

Added the flag guard at all three chokepoints → flag OFF returns false → callers
fall back to the legacy server path. Makes the stack genuinely dark-launchable:
merge is now a no-op in prod, and the remaining cutover correctness bugs become
flip-prerequisites rather than merge-blockers.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

* fix(core,sdk): correct 8 GSAP write-path review findings (#1539)

Eight correctness bugs from the SDK-cutover review. Several were cases where
BOTH writers were identically wrong, so the recast-vs-acorn parity suite stayed
green; the new tests assert the real-world-correct result, not agreement.

- #2 findKfPropByPct: match the CLOSEST keyframe within tolerance, not the first
  within 2% — removing/updating 50% on 0/49/50/100 no longer hits 49%.
- #3 handleSetTiming: shift each tween by the start DELTA and scale duration by
  the clip-duration RATIO per-tween, instead of writing absolute newStart/
  newDuration onto every tween (which collapsed staggers and blew durations).
- #4 enableArcPath: insert motionPath via appendRight at the object start so the
  insertion can't collide with the x/y remove-range end (which made MagicString
  discard the append and emit '{}').
- #5 splitAnimationsInScript: compute the inherited baseline in a forward pre-pass
  so the split-spanning midpoint sees earlier tweens (the reverse write loop is
  kept for stable count-suffixed ids).
- #9 unrollDynamicAnimations: preserve non-target loop-body statements (e.g.
  tl.set initial-state) per iteration instead of overwriting the whole loop.
- #10 buildMotionPathObjectCode (both writers): emit the cubic form when segment
  curviness varies so per-segment curviness survives, not just segments[0].
- #11 readLastWaypointXY: handle UnaryExpression so negative destination coords
  are recovered when disabling an arc path.
- #15 no-bang: removed every `!` non-null assertion in the touched files,
  replaced with guards/fallbacks.

Tests: gsapWriter.reviewFixes.test.ts (#2/#4/#5/#9/#10/#11) and
mutate.gsap.test.ts setTiming GSAP-sync block (#3). All fail on the base and
pass after the fix; tsc + full core/sdk suites + parity stay green.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

* fix(studio): SDK cutover review fixes — merge tween props, stabilize debounce, serialize gsap writes, on-disk undo baseline, self-write identity

Addresses 5 SDK-cutover review findings (studio-only):

- #1 useGsapPropertyDebounce: editing one GSAP tween property no longer drops
  the tween's other animated props. setGsapTween REPLACES the property set, so
  merge the single edit into the tween's CURRENT properties (read from the SDK
  doc) before dispatching, mirroring the legacy server merge.
- #7 useGsapPropertyDebounce: stabilize the flush callback by reading sdk deps
  from a ref instead of an unmemoized literal, so a parent re-render mid-edit
  no longer tears down + flushes the debounce (one commit/undo entry per render).
- #8 sdkCutover/useGsapScriptCommits: route SDK gsap-write persists through the
  same per-file keyed serializer the legacy commitMutation uses, so concurrent
  same-file read-modify-writes can't interleave and lose an edit.
- #12 sdkCutover/useTimelineEditing: capture the exact on-disk bytes as the undo
  'before' for timing/GSAP persists (matching the style/delete paths) instead of
  a normalized SDK serialize() re-emit that reformatted the whole file on undo.
- #14 useSdkSession/sdkSelfWriteRegistry: discriminate a cutover echo from an
  undo write by CONTENT identity (registered self-write hash), not just the 2 s
  timestamp window — an undo write always reloads the SDK session.

Tests: useGsapPropertyDebounce(.test), useGsapPropertyDebounceFlush.test,
sdkSelfWriteRegistry.test, and new sdkCutover.test cases; each reproduces the
review scenario and asserts the corrected behavior (verified red before fix).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

* refactor(core): extract split/collapse helpers to satisfy no-fallow-ignore rule

The #5 (split) and #15 (no-bang guards) fixes pushed splitAnimationsInScript and
removeAllKeyframesFromScript over fallow's complexity threshold, and a fallow-ignore
had been added to splitAnimationsInScript. Per the hard rule (never ignore — fix),
extracted buildSpanningSplit + applyTweenSplit (split) and buildCollapsedFlatVars
(collapse), and removed the ignore. Both functions now under threshold; fallow new-only
gate reports 0 new findings. Behavior unchanged — core 1811 green.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

* test(studio): pin dark-launch flag-gate contract (review #1539, Rames/Via)

flag OFF ⇒ sdkTimingPersist / sdkGsapTweenPersist (GSAP-op chokepoint) /
sdkDeletePersist all return false even with a valid session → legacy fallback.
The prod flag-flip rests on this contract; sdkCutover.test.ts only mocks the flag
TRUE, so a future gate refactor could silently re-enable cutover on flag-off
without failing CI. This sibling file mocks it FALSE and locks the three guards.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

* fix(studio): leading flag-gate on sdkGsapTweenPersist (review #1539 nit, Via)

The add-op getElement existence check ran before the inner gate, so flag-off did
an SDK touch before falling back. Lead with the flag guard to match the other
three chokepoints — flag-off is now a clean no-op at every entry point.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

* fix(core): unroll-preservation regressions — non-for loops + AST index substitution (review R2)

The #9 unroll-preservation fix had two confirmed regressions:
- Non-for loops (forEach/for-of/for-in/while): loopIndexVarName returns null, so
  substitution no-op'd and preserved siblings kept a now-undefined loop variable
  (e.g. `item`) → ReferenceError at render. Now returns null for those forms →
  caller falls back to the blanket loop overwrite (drops siblings, valid code).
  The #9 fixture only used `for(let i…)` so it never caught this.
- substituteLoopIndex did a \bvar\b regex over raw source including string
  literals, corrupting selectors like ".row-i" → ".row-0". Now AST-based:
  substitutes only real Identifier uses, skipping string literals and non-computed
  member/key positions (extracted isIndexBindingPosition helper to stay under the
  fallow complexity threshold — no ignore added).

Two regression tests added (forEach no-dangling-var; for-loop string-literal intact).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

* fix(sdk,core): unrollDynamicAnimations rejects empty element list (R1 #1501b)

An empty `elements` array has no unrolled form — the writer would overwrite
the loop/statement with zero tween calls, silently deleting the animation.

- gsapWriterAcorn: unrollDynamicAnimations returns the script verbatim on an
  empty list (no-op instead of a destructive overwrite).
- validateOp: reject unrollDynamicAnimations with empty elements as
  E_INVALID_ARGS so callers get a clean error rather than silent corruption.
- Tests: writer no-op on []; validateOp E_INVALID_ARGS on [].

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

* perf(sdk): cache draft element in applyDraft, drop HTMLElement casts (R1 #1490a)

applyDraft runs at 60fps during a drag but re-ran doc.querySelector on every
call — the _draftEl/_draftId fields were only consumed by commit/cancel, never
to skip the query. Reuse the tracked element when the id matches and the node
is still connected; re-query only on id change or detach (iframe reload).

Retypes _draftEl to HTMLElement | null (only ever set from
querySelector<HTMLElement>), which removes the `as HTMLElement` casts in
commitPreview / _clearDraft. Test asserts a repeated same-id drag queries once.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

* fix(sdk,core): round-3 correctness — unroll AST safety, single-dispatch undo, empty-arg guards, persist decouple

Addresses the highest-severity round-3 review findings:

- gsapWriterAcorn unroll (R3 #1/#2/#9): the round-2 AST-substitution fix emitted
  invalid GSAP for object shorthand `{ i }` (→ `{ 0 }`) and shadowed inner
  bindings (→ `for(let i=0;0<3;0++)`), and silently dropped sibling statements on
  non-`for` loops (forEach/for-of). The unroll now REFUSES (no-ops, leaving the
  dynamic loop intact) whenever siblings can't be safely reproduced — a non-`for`
  loop, an unmodeled statement, or an unsafe index use — instead of dropping or
  corrupting. Plain `for` loops with safe siblings still unroll.

- session single-dispatch undo (R3 #5/#11): _dispatch now reverses the inverse
  patch list (parity with batch()). A single op emitting order-dependent inverse
  patches — a nested parent+child removeElement, an aliased multi-target — undid
  forward and dropped the child subtree / landed on an intermediate value.

- materializeKeyframes empty-array (R3 #10): the unguarded twin of the just-fixed
  unrollDynamicAnimations. Writer no-ops on an empty keyframe list; validateOp
  rejects it as E_INVALID_ARGS (shared gsapScriptMissing helper).

- history:false persist decouple (R3 #4): persist (auto-save) no longer lives
  inside the history-enable block, so opting out of SDK undo no longer silently
  disables all disk writes (data-loss trap for #1496's flag consumers).

Tests: unroll refuse cases (shorthand/shadow/forEach) + safe-for-loop regression;
nested removeElement undo; materializeKeyframes writer no-op + validateOp reject;
history:false-still-persists.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

* fix(core): stripGsapForId re-parses per removal so all tweens for a deleted element are stripped (R3 #3)

Animation ids are count-based (positional), so removing one tween renumbers the
survivors. stripGsapForId captured every matching id from a single up-front parse
then removed against the mutating script — after the first removal the later ids
were stale and silently no-op'd, leaving an orphaned tl.to() referencing the
just-deleted element. Now re-parse after each removal and strip the first
still-matching animation until none remain.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

* fix(core): gsap writer — keyframe ease routing, convert preserves delay, addLabel dedup (R3 #7/#8/#12)

- #7: updateAnimationInScript routes an ease update on a keyframe tween to
  keyframes.easeEach (per-keyframe), not a top-level ease that GSAP ignores —
  the user's keyframe-easing edit was silently a no-op.
- #8: convertToKeyframesFromScript now preserves every non-editable vars key
  (delay/callbacks/stagger/yoyo/…) verbatim via preservedVarsEntries instead of
  rebuilding from the GsapAnimation object, which had no `delay` field and
  dropped it — shifting the tween's start time.
- #12: addLabelToScript moves an existing same-named label (overwrites its
  position) instead of appending a duplicate; duplicates made removeLabel
  over-remove (it deletes every match, including a pre-existing label).

Tests: easeEach routing, delay preservation, addLabel move-not-duplicate +
hand-authored-dup removal. Updated the old "no dedup contract" corpus test.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

* fix(sdk): handleSetTiming #domId + data-duration sync; validateOp resolves ids + arc/selector (R3 #6/#13, CF2 #15/#16)

CF2 #15: handleSetTiming re-synced GSAP tweens only when the selector matched the
element's hf-id. The common #domId-targeted tween (authored by the Studio panel)
never matched, so moving/resizing a clip via the SDK timing path left its
animations unsynced. Now match the tween selector against the DOM id too.

CF2 #16: handleSetTiming read/wrote only data-end. Clips authored with
data-duration (what the runtime prefers) got a fresh data-end beside a stale
data-duration (no playback change) and oldDuration=null collapsed the GSAP
duration-scale ratio to 1. Now read duration preferring data-duration, and write
back to whichever attribute the clip uses (timingPath gains a "duration" field).

R3 #13b: deleteAllForSelector compared selectors with strict === and missed the
alternate quote style ([data-hf-id='x'] vs "x"); now quote-insensitive.

R3 #6/#13a: validateOp now resolves the animationId for id-bearing GSAP ops
(E_TARGET_NOT_FOUND instead of a misleading ok that no-ops at apply), and
updateArcSegment validates the arc is enabled + the segment index is in range.

Tests: #domId move sync, data-duration resize + scale, quote-insensitive delete,
unresolved-id rejection, arc-segment preconditions. Updated the loose-can() test.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

* refactor(core,sdk): name the acorn-node type alias; keyToPath round-trips timing.duration (R3 #14)

- gsapWriterAcorn: replace the bare `: any` AST-node annotations with the named
  `type Node = any` alias, matching the established convention in
  gsapParserAcorn.ts / gsapInline.ts ("acorn ESTree nodes are structurally
  untyped"). Documents intent and is greppable; type-identical (zero runtime
  change). A full ESTree typing is a deliberate architecture decision the
  codebase has not taken and is out of scope here.
- patches: keyToPath/timingPath now include the "duration" timing field added
  for the data-duration resize fix, so a timing.duration override round-trips on
  T3 replay instead of being dropped.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

* fix(sdk): cascadeRemoveAnimations re-parses per removal (R4 — SDK twin of #3)

cascadeRemoveAnimations captured every matching animation id from a single
up-front parse, then removed against the mutating script — the SDK-side twin of
the stripGsapForId bug (R3 #3). Animation ids are positional, so removing the
first tween for an element renumbered the survivors and the stale later ids
no-op'd, orphaning those tweens on the just-removed element. Now re-parse after
each removal and strip the first still-matching animation until none remain.

Also adds the reviewer's defense-in-depth test: an aliased multi-target setStyle
(same id twice) undoes to the original, not the intermediate (exercises the
single-dispatch inverse reversal from R3 #5/#11).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-17 16:55:34 -07:00
Vance IngallsandMiguel Ángel 377b0368bd fix(studio,core): resolve SDK-cutover review findings (#1471)
Co-authored-by: Miguel Ángel <miguel07alm@protonmail.com>
2026-06-17 16:44:45 -07:00
Vance IngallsandMiguel Ángel 7ca4490328 feat(studio): route GSAP keyframe add through SDK (§3.5 PR2) (#1470)
Co-authored-by: Miguel Ángel <miguel07alm@protonmail.com>
2026-06-17 16:43:34 -07:00
Vance IngallsandMiguel Ángel 592f7c775d feat(studio): route GSAP tween add/update/delete through SDK (§3.5 PR1) (#1469)
Co-authored-by: Miguel Ángel <miguel07alm@protonmail.com>
2026-06-17 16:42:02 -07:00
Vance IngallsandMiguel Ángel ca1a8a6879 feat(studio): s7.5 — delete shadow scaffolding; keep cutover flag (dark launch) (#1462)
Removes the SDK shadow telemetry: STUDIO_SDK_SHADOW_ENABLED, sdkShadow.ts +
sdkShadowGsapFidelity/GsapKeyframe/Numeric and their tests, the runShadow*
call-sites across the GSAP/timeline hooks, and the onDomEditPersisted shadow
callback in useDomEditSession. Moves patchOpsToSdkEditOps into sdkCutover.ts.

KEEPS STUDIO_SDK_CUTOVER_ENABLED as a dark-launch kill-switch — default false,
enable per-environment via VITE_STUDIO_SDK_CUTOVER_ENABLED=true. shouldUseSdkCutover
stays flag-gated. The stack can merge with zero behavior change; cutover is
validated by flipping the flag, not by removing it.

Co-authored-by: Miguel Ángel <miguel07alm@protonmail.com>
2026-06-17 16:27:03 -07:00
Vance IngallsandClaude Opus 4.8 4ee57d5505 fix(studio): serialize GSAP script commits per file (shadow request race) (#1512)
Rapid GSAP edits (ease/duration/keyframe/property) fired overlapping
read-modify-write POSTs to one script file — coalesceKey only dedupes edit
history, not requests. The gsap_fidelity shadow then diffed an op against
whichever POST's scriptText resolved, which could predate that op → false
"expected null, actual power2.out" mismatches. Server persists correctly; a
pure client request-pairing race.

Adds createKeyedSerializer (per-key promise chain, rejection-safe, self-
cleaning). commitMutation now serializes every GSAP-script commit per target
file by default (key `gsap-file:<path>`) — covering all op types and all
animations, not just one meta family — so same-file POSTs can't interleave.
Distinct files run concurrently; an explicit serializeKey still overrides.

Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-16 12:36:33 -07:00
Vance IngallsandClaude Opus 4.8 4b4a3eb63d feat(studio): shadow telemetry for GSAP keyframe ops (gsap_keyframe) (#1509)
* fix(studio): suppress shadow-parity false positives in timing + text

runShadowTiming: compare start/duration with a relative epsilon (1e-6)
instead of exact equality so float-precision drift (3.1 vs
3.0999999999999996, 21.36 vs 21.360000000000014) no longer flags; a real
difference (3.1 vs 3.5) still flags. trackIndex stays exact.

property:text resolver: trim both sides (snapshot.text is already trimmed)
and collapse empty-string vs absent (null) text so trailing-whitespace and
empty-vs-null no longer flag. Genuine text differences are unaffected; the
per-keystroke length lag is a caller-side debounce concern.

Adds tests for both fixes plus regression tests documenting two REAL SDK
divergences the shadow correctly surfaces (transform-origin removal no-op;
duplicate-bare-id delete resolution) — flagged, not fixed here.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

* feat(studio): shadow telemetry for GSAP keyframe ops (gsap_keyframe)

Wire the SDK shadow-parity telemetry to cover GSAP keyframe add/remove,
the primary unwired cutover signal, plus a defensive unmapped-PatchOperation
guard.

New packages/studio/src/utils/sdkShadowGsapKeyframe.ts:
- ShadowKeyframeOp + keyframeOpToEditOp: maps studio percentage-based keyframe
  ops to SDK EditOps. add -> addGsapKeyframe{position:percentage}; remove ->
  removeGsapKeyframe{keyframeIndex}, resolving percentage -> index against the
  pre-op script with ~0.001 tolerance and a no-op-on-ambiguity guard for
  duplicate-percentage keyframes (PR #1498 landmine).
- gsapKeyframeFidelityMismatches: reuses gsapFidelityMismatches for the
  tween-level diff and layers a keyframe-array comparison (which the base diff
  doesn't inspect), matched by GSAP animation id.
- runShadowGsapKeyframeFidelity: serialize-diff runner emitting op tag
  gsap_keyframe (no keyframe reader on ElementSnapshot, so no existence path).

useGsapKeyframeOps synthesizes shadowKeyframeOp for addKeyframe /
addKeyframeBatch / removeKeyframe; the commit chokepoint dispatches the
keyframe-fidelity diff alongside the existing tween-fidelity path.

sdkShadow.ts: runShadowDispatch now emits dispatched:false reason:unmapped_type
if a future PatchOperation type ever escapes patchOpsToSdkEditOps, so the gap
surfaces in telemetry instead of vanishing.

Tests: sdkShadowGsapKeyframe.test.ts (18) covers index resolution, op mapping,
the ambiguity guard, the keyframe-aware diff, the runner, and the unmapped-type
guard.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-16 12:27:48 -07:00
Vance IngallsandClaude Opus 4.8 7593aac5ef feat(sdk,studio): populate animationIds; shadow GSAP update/delete + value fidelity (#1474)
* feat(sdk,studio): populate animationIds; shadow GSAP update/delete

Closes the GSAP shadow gaps. The server's animationId was assumed to live in a
separate id-space — it does not: the studio-api read path (T6e) and the SDK
both derive tween ids as targetSelector-method-position from the same acorn
parser, so server ids are dispatchable in the SDK as-is.

SDK: populate ElementSnapshot.animationIds (was a hardcoded stub) from
parseGsapScriptAcornForWrite().located, resolving each tween's targetSelector
to element hf-ids. Makes the snapshot truthful and enables real GSAP parity.

Studio: shadow deleteGsapAnimation (removeGsapTween) and updateGsapMeta
(setGsapTween) using the server animationId directly. GSAP add/remove parity
now verifies via animationIds (present after add, gone after remove). set is
existence-only — the SDK still has no per-tween property reader (value fidelity
would need serialize()-script round-trip diffing).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

* feat(studio): GSAP value fidelity via serialize round-trip diff

Closes the last shadow gap: GSAP value fidelity. Existence parity confirmed a
tween was created/removed but not that its values (duration/ease/position/
properties) matched the server, since the SDK has no per-tween property reader.

runShadowGsapFidelity opens a fresh SDK doc from the server's pre-op file
(result.before), applies the same typed op, serializes, and structurally diffs
the SDK's GSAP script against the server's resulting script (result.scriptText).
Both are re-parsed via parseGsapScriptAcorn, so formatting/whitespace never
produces false positives — only real value drift does. gsapFidelityMismatches
reports per-field drift and tween presence/absence.

Wired at the commitMutation chokepoint (the only place with the server's
before+after scripts); handlers pass the typed ShadowGsapOp via
CommitMutationOptions.shadowGsapOp. Emits sdk_shadow_dispatch op:gsap_fidelity.
Complements the existing live existence shadow (op:gsap).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

* fix(studio,sdk): address shadow code-review findings

- gsapFidelityMismatches: canonical comparison (sort property keys, numeric-
  coerce position/duration/values). Server (addAnimationToScript) and SDK
  (gsapWriterAcorn) are different writers; non-canonical compare flagged
  key-order / number-vs-string differences as false value drift.
- document.ts buildAnimationIdMap: memoize the acorn parse by script text
  (single-entry). getElements() invalidates on every dispatch, so shadow's
  frequent dispatches were re-parsing the full GSAP AST each rebuild. Selector
  resolution still runs per-call (depends on live DOM).
- runShadowGsapFidelity: early-bail when serverScript/beforeHtml is empty —
  skip the costly openComposition.
- useSafeGsapCommitMutation: import the shared CommitMutationOptions/
  CommitMutation instead of a stale local duplicate (was missing shadowGsapOp).
- align extractGsapScript marker set across sdkShadow.ts and document.ts
  (gsap || __timelines || ScrollTrigger) so both pick the same script.

Tests: +2 canonical-compare cases (key-order, number-vs-string → no drift).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

* fix(studio,sdk): fallow gate for #1474 (fidelity diff + test clones)

- suppress moderate CRAP on gsapFidelityMismatches and the runShadowGsapTween
  parity arrow (comparison/parity functions are inherently branchy)
- suppress two pre-existing test clones in session.test.ts surfaced by the
  added animationIds tests (TestPreviewAdapter stub, selectionchange setup)

Rebased onto the updated #1473 (no-persist shadow session); inherits the
persist-race fix and prior fallow suppressions.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

* refactor(studio): extract GSAP fidelity to its own module (file-size gate)

sdkShadow.ts hit 602 lines (CI File size check: max 600). Move the GSAP
value-fidelity diff (gsapFidelityMismatches, runShadowGsapFidelity, and their
private helpers) into sdkShadowGsapFidelity.ts; re-export from sdkShadow.ts so
the import surface is unchanged. sdkShadow.ts now 430 lines.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

* fix(studio,sdk): address #1474 review feedback

- CodeQL js/bad-tag-filter: the GSAP <script> extraction + test regexes now
  match </script\s*> (whitespace-before-close variant). 3 alerts resolved.
- Wiring (Miguel): extract resolveGsapFidelityArgs — a pure, narrowing gate for
  the commitMutation chokepoint (no non-null assertions) — and unit-test the
  fire/skip conditions (session, op, before, scriptText). Replaces the inline
  guard so the wiring decision is covered without rendering the hook.
- Property-handler scope (Rames): comment at the chokepoint documenting that
  only meta-level ops (add/update-meta/delete) carry shadowGsapOp today;
  per-property and keyframe handlers are a deliberate follow-up. Also why
  scriptText can be null.
- Test coverage (Rames): multi-tween-per-element and shared-selector
  cross-element animationIds cases.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

* fix(studio): CodeQL js/bad-tag-filter — match </script[^>]*> close tags

`</script\s*>` still tripped CodeQL on attribute-junk closes like
`</script foo>` (HTML5 ignores junk before `>`). Widen the close-tag match to
`</script[^>]*>` in the GSAP-script extraction and the test regexes.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-15 22:40:28 -07:00
Vance IngallsandClaude Opus 4.8 8f15e9f09b feat(studio): extend SDK shadow to delete/timing/gsap-add + default on (#1473)
* feat(studio): default SDK shadow dispatch on for parity telemetry

Shadow mode keeps the server patch path authoritative (no user-visible
change) and emits sdk_shadow_dispatch parity signal. Default it on so we
collect addressing/serialize-drift telemetry from all traffic before any
cutover. Disable via VITE_STUDIO_SDK_SHADOW_ENABLED=false.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

* feat(studio): shadow parity for delete/timing/gsap ops + wire delete

Extends shadow visibility past the property-edit path. Adds a can()-first
shadow core (pure addressing/validity pre-check, works even for GSAP which
has no snapshot value) plus runShadowDelete/runShadowTiming/runShadowGsapTween.
Parity coverage: delete = getElement null (full); timing = snapshot
start/duration/trackIndex (full); gsap = can()+dispatch+returned-id only
(animationIds is a stub, tween values are script-level — full fidelity needs
serialize() round-trip diffing, out of scope).

Wires the delete runner end-to-end via an onElementDeleted callback
(useDomEditSession → useDomEditCommits → useElementLifecycleOps), fired after
the server delete succeeds. Server stays authoritative. Timing/GSAP wiring
follows (each needs threading sdkSession into useTimelineEditing /
useGsapScriptCommits).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

* feat(studio): wire timing + GSAP-add shadow dispatch

Timing: thread sdkSession into useTimelineEditing; fire runShadowTiming after
move/resize persist (server authoritative). Moved the useSdkSession call above
useTimelineEditing so both share the single session (no duplicate).

GSAP: thread sdkSession through useGsapScriptCommits → useGsapAnimationOps;
shadow addGsapAnimation via runShadowGsapTween after the server add. Only the
add path is shadowed — delete/update key on the server's animationId, which
doesn't resolve in the SDK's independent id-space (would emit false
cannot_dispatch). "set" has no SDK method, so it's skipped.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

* fix(studio): address #1473 review — no-persist shadow session + fallow gate

Blocker (Rames): the shadow runners dispatched on the live persisted SDK
session, so each shadow op fired the persist queue → an HTTP write of the SDK's
serialize() output, clobbering the studio's authoritative write (default-on
shipped this). Fix: open the shadow session WITHOUT persist — it reads from the
server but never writes back. Shadow dispatches mutate the in-memory model only
and are discarded on the next reload-on-change. Cutover (Step 3c+) must re-add
persist together with self-write suppression. No persist consumer exists in
this stack (cutover is not in main), so this is safe and keeps default-on.

Fallow CI gate (Miguel):
- drop unused `export` on RecordEditInput (dead-type)
- suppress pre-existing CRAP with reasons: commitMutation, addGsapAnimation;
  file-level complexity on useTimelineEditing (shadow .then() branches nudge
  several callbacks over threshold — telemetry-only)
- suppress 3 pre-existing clones surfaced by adjacent edits (save-error
  formatter, prop-drilling passthrough, file-change reload handler)

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

* fix(studio): scrub user content from shadow property-path telemetry

Addresses #1473 review concern (Rames): inline-style and text-content edits
put user content into the sdk_shadow_dispatch mismatch expected/actual fields.
Redact before emit — text-content values fully redacted (length only), others
length-capped at 64. The in-memory parity result keeps raw values, so the
parity logic and tests are unaffected.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-15 18:08:29 -07:00
Miguel ÁngelandMiguel Ángel 7bff49ecf0 refactor(studio): simplify hooks, split contexts, remove dead code (#1416)
* fix(studio): guard Zustand no-op setters and fix useConsoleErrorCapture memory leak

- Guard setIsPlaying to skip set() when value unchanged (eliminates 60
  notifications/sec during reverse playback)
- Guard caption store selectGroup to bail before set() when group missing
  (prevents empty Zustand notifications)
- Guard clearSelection to skip when already empty
- Fix useConsoleErrorCapture: restore original console.error, remove error
  event listener, and delete __hfErrorCapture flag on cleanup

* fix(studio): delete dead files and unused exports

Remove 7 dead files (audioBeatDetection, keyframeSnapping,
timelineInspector, DopesheetStrip, StaggerControls,
TimelineLayerPanel, TimelineEditorNotice) and their test companions.

Delete unused computeFitToChildrenSize export from propertyPanelHelpers.

Fix re-export indirection: useDomEditCommits and studioMotionOps.test
now import patch builders directly from manualEditsDomPatches instead
of the re-export passthrough in manualEditsDom.

* fix(studio): eliminate effect-chain state mirroring for lint findings, hover, and GSAP fetch

Move lint findingsByElement sync from App.tsx into useLintModal where
the value is produced, removing the mirroring useEffect. Consolidate
4 hover-clearing effects in useDomSelection into 2 (one unconditional
on context change, one conditional combining caption mode, selection
match, and disconnected element checks). Fold the GSAP retry effect
into the fetch effect in useGsapTweenCache, scheduling a single retry
via setTimeout when the initial fetch returns 0 animations.

Eliminates 3 unnecessary render cycles from effect chains.

* fix(studio): memoize renderQueue, toolbar, and canvas rect to prevent re-render cascade

- Wrap renderQueue object in useMemo so StudioContext consumers don't
  re-render on every App render
- Memoize timelineToolbar JSX so NLELayout memo isn't defeated
- Move canvasRect getBoundingClientRect() from render-time IIFE to a
  useLayoutEffect-backed ref, eliminating layout thrashing
- Track and clear setTimeout handles in refreshPreviewDocumentVersion
  to prevent stale timer accumulation on rapid calls and unmount

* refactor(studio): consolidate GSAP shared primitives — defaults, iframe access, keyframe parsing

Extract duplicated PROPERTY_DEFAULTS, IframeGsap interface, iframe
accessors (getIframeGsap, queryIframeElement), percentage keyframe
parsing, and toAbsoluteTime into a single gsapShared.ts module.

Removes ~120 lines of copy-pasted logic across 8 hook files, reducing
drift risk between the duplicate implementations.

* fix(studio): remove dead store fields, dead file, duplicate helper, and unsafe assertions

* refactor(studio): deduplicate selector helpers, rounding utils, percentage computation, and iframe access

* fix(studio): split StudioContext into Shell + Playback to prevent cascade re-renders

* refactor(studio): decompose useGsapScriptCommits into focused mutation hooks

* refactor(studio): decompose useFileManager into focused file operation hooks

Extract useFileTree (tree loading, refresh, derived assets/compositions)
and useEditorSave (debounced save with history tracking) from the 508-LOC
useFileManager. The parent hook composes both and retains file I/O,
click-to-source, upload/import, and CRUD — preserving the same public
interface so no consumers change.

* refactor(studio): decompose useDomEditCommits into focused commit hooks

Extract geometry (path offset, box size, rotation) and element lifecycle
(delete, z-index reorder) into useDomGeometryCommits and
useElementLifecycleOps. Parent keeps persistDomEditOperations as core
and composes all sub-hooks — public interface unchanged.

* refactor(studio): simplify useAppHotkeys with declarative command table

* refactor(studio): simplify useAppHotkeys with declarative command table

Replace 15 individual useRef callback refs with a single cbRef object.
Extract keydown dispatch into pure dispatchModifierKey/dispatchPlainKey
functions. Merge duplicate undo/redo logic into shared applyHistory.
Extract cross-origin listener boilerplate into safeAddListener/safeRemoveListener.

Hook body: 204 LOC (down from 445). Public API unchanged.

* fix(studio): remove unused getDomEditTargetKey import

* refactor(studio): decompose useDomEditSession into focused editing hooks

Extract GSAP-aware geometry intercepts (move/resize/rotation) and
animated property commit into useGsapAwareEditing, and selection
wiring, GSAP cache management, preview sync, and selection handlers
into useDomEditWiring. The parent remains a pure composition shell.

* style(studio): fix formatting in 5 files

* fix(studio): trim App.tsx to 598 lines (under 600 limit)

---------

Co-authored-by: Miguel Ángel <miguel07alm@protonmail.com>
2026-06-13 18:25:11 -04:00
Miguel Ángel 3bcab3dc29 fix(studio): reject unsafe keyframe values (#1389) 2026-06-12 22:48:19 -04:00
Miguel Ángel 5f12e692d5 fix(studio): save retries, mutation queue circuit breaker, save_failure diagnostics (#1366)
* fix(studio): save retries, mutation queue circuit breaker, save_failure diagnostics

Save failures could silently drop user work: code-editor saves fired a single
PUT with no retry, DOM-edit failures drained the whole queue against a failing
server, and several failure paths only logged to the console.

- Retry code-editor saves with exponential backoff instead of dropping the
  edit on the first failed PUT.
- Circuit breaker on the DOM-edit save queue: a failing server pauses the
  queue with a user-visible error state instead of burning every queued
  mutation against it.
- save_failure events now carry error_message, status_code, and source on
  every emission path; style/attribute DOM-edit failures that previously only
  logged to the console now emit telemetry too.
- Route unawaited commitMutation call sites (GSAP drag, property scrubbing,
  undo/redo, text fields) through a safe wrapper that reports failures via
  telemetry instead of unhandledrejection.

Follow-ups (deferred): version/ETag conflict guard on file PUTs, offline
save queue.

* fix(studio): narrow save retry changes for fallow
2026-06-12 22:02:17 -04:00
Miguel Ángel aec3c3b58c fix(studio): journal source writebacks (#1388) 2026-06-12 20:40:12 -04:00
Miguel Ángel d49ee416a3 fix(studio): gesture recording replaces existing position keyframes (#1360)
Gesture recording uses replace-with-keyframes mutation to replace existing
position-group tween. Fix N1 sign inversion and N9 wheel startPointer
with pointerElementOffset subtraction.
2026-06-12 00:20:08 -04:00
Miguel Ángel caf23eff8a fix(studio): keyframe cache propertyGroup tagging + timeline UI (#1357)
* fix(core): per-property-group keyframe foundations

Add PropertyGroupName type system (position/scale/size/rotation/visual/other),
PROPERTY_GROUPS constant, classifyPropertyGroup/classifyTweenPropertyGroup
functions. Parser generates group-aware animation IDs, resolves position strings
(+=, -=, <, >), uses numeric matching with 2% tolerance, and preserves IDs
across all mutations.

* fix(core): add split-into-property-groups and replace-with-keyframes mutations

Server-side mutations for atomic property-group splitting and keyframe
replacement. Client commitMutation returns early on changed:false instead
of throwing.

* fix(studio): per-property-group intercept routing + drag/resize fixes

Rewire GSAP runtime bridge for property-group routing: drag sends only {x,y}
to position group, resize routes to scale group via data-hf-studio-original-width,
rotation routes to rotation group. Add resolveGroupTween helper, from-extend
with split-first-then-position-only pattern, autoKeyframeEnabled guards,
GSAP base + delta fix in drag draft, cancel-restores-GSAP-x/y from data attrs.

* fix(studio): keyframe cache propertyGroup tagging + timeline UI fixes

Tag cached keyframes with propertyGroup for group-aware operations.
Add tweenPercentage for accurate keyframe matching, activeKeyframePct
for diamond-click targeting, context menu offset, selected diamond z-index,
clearProps after kill in soft reload.
2026-06-12 00:19:23 -04:00
Miguel Ángel b6bf1b1190 fix(core): split-into-property-groups and replace-with-keyframes mutations (#1355)
* fix(core): per-property-group keyframe foundations

Add PropertyGroupName type system (position/scale/size/rotation/visual/other),
PROPERTY_GROUPS constant, classifyPropertyGroup/classifyTweenPropertyGroup
functions. Parser generates group-aware animation IDs, resolves position strings
(+=, -=, <, >), uses numeric matching with 2% tolerance, and preserves IDs
across all mutations.

* fix(core): add split-into-property-groups and replace-with-keyframes mutations

Server-side mutations for atomic property-group splitting and keyframe
replacement. Client commitMutation returns early on changed:false instead
of throwing.
2026-06-12 00:12:26 -04:00
Miguel Ángel f0b499b582 fix(studio): keyframe bug fixes — gate delete hooks, fix value corruption, gesture recording (#1314)
- Gate stripStudioEditsFromTarget/bakeVisibilityOnDelete behind a
  stripStudioEdits flag on the delete mutation type so they only fire on
  user-initiated deletes, not on internal delete-then-recreate drags.

- Add bakeVisibilityOnDelete to the remove-all-keyframes handler so
  elements with CSS opacity:0 stay visible after collapsing keyframes.

- Fix integer rounding in readAllAnimatedProperties: use 3-decimal
  precision for visual properties (opacity, scale, rotation) instead of
  Math.round which corrupted mid-fade values to 0.

- Guard VISUAL_BASELINE against cross-tween contamination by querying
  __timelines for properties animated by other tweens on the same element.

- Harden bakeVisibilityOnDelete: reverse-scan keyframes for the last one
  containing opacity, guard against relative values (+=/-=/*=), and add
  Number.isFinite check.

- Fix falsy-zero doubling in drag commit: replace || fallback with
  Number.isFinite so a base GSAP position of 0 is correctly preserved.

- Fix gesture recording sign inversion: remove pointerElementOffset
  subtraction from dx/dy formula and instead apply it once to basePosition
  so the element center tracks the pointer.

- Fix TypeScript build errors in gsapSoftReload.ts (6 double-casts).

- Strip all diagnostic logs from production code.
2026-06-10 18:53:06 -04:00
8fcbb63a37 docs(readme): swap hero media to hyperframes-logo-motion (#1315)
* docs(readme): swap hero media to hyperframes-logo-motion

Replaces the prior hfgif-1280.webp hero with a new logo-motion clip
Bin trimmed for the launch. Converted the source MP4 to animated webp
(the existing hero's format) so it auto-plays in the GitHub README the
same way the old one did - MP4 sources don't render inline or autoplay
in <img> tags.

- New asset: static.heygen.ai/hyperframes-oss/docs/images/
  hyperframes-logo-motion-1280.webp (1280x720, 85 frames, 199KB)
- ffmpeg conversion: scale=1280, libwebp_anim, q=80, loop=0

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

* fix(studio): format 5 hooks files (oxfmt)

* style: remove unused imports in studio hooks (pre-existing lint failures)

CI Lint on main was already failing with 5 unused-import errors in
packages/studio/src/hooks/. Removed the unused symbols to unblock the
README hero PR's CI:

- gsapRuntimeBridge.ts: resolveTweenStart, resolveTweenDuration
- useGsapScriptCommits.ts: usePlayerStore
- useTimelineEditing.ts: PatchTarget (type-only)
- gsapDragCommit.ts: readGsapProperty

Bundled into the README PR per James's request to fix CI in-place.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

* test(studio): add childRects: [] to DomEditOverlay test mock

useDomEditOverlayRects' return type added a childRects: OverlayRect[]
field; the DomEditOverlay test's mock didn't get updated and was
returning an object without it, so DomEditOverlay.tsx's
'childRects.length > 0' check threw TypeError on undefined.

One-line mock-vs-hook contract realignment.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

* test(studio): drive player-store currentTime in selection-hydration test (#1311 follow-up)

The 'hydrates seek first, preserves the initial url state, then restores
selection' test was failing because PR #1311 (keyframes feat) changed
useStudioUrlState to read currentTime from the player store via
usePlayerStore((s) => s.currentTime), removing it from the hook's prop
shape. The test was still trying to drive currentTime via the harness
prop, which is now a no-op — so the selection-hydration useEffect's
time-stability guard

  Math.abs(currentTime - stableTimeRef.current!) > 0.05

never passed (store currentTime stayed at 0 while stableTimeRef caught
the 4.2 seek target). buildDomSelectionFromTarget was never reached,
applyDomSelection was never called, and the assertion got 0 calls.

Fix: setState the store's currentTime to 4.2 ahead of the rerender so
the hook's selector picks it up and the time-stability guard passes.
Harness prop kept as-is — it's a no-op but doesn't hurt.

Pre-existing failure on main HEAD 81416ab3; surfaced as CI gate on the
unrelated docs/readme-hero-motion-update PR.

* test(studio): stub getBoundingClientRect + flush RAF in DomEditOverlay test

The 'renders selected bounds right after clicking a movable selection'
test asserts the selection box appears after pointerdown, but happy-dom
returns 0 for newly-created elements' getBoundingClientRect. The
overlay's compRect updates via a RAF loop that early-returns when iframe
width is 0; the keyframes PR a468550f added a compRect.width > 0 guard
to the selection-box render path, so compRect=0 silently gates the box
off and the assertion fails.

Stub Element.prototype.getBoundingClientRect to return 800x450 for the
test, and flush two RAFs after render so the compRect state update lands
before the pointerdown assertion. Restore the prototype at test end.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.7 <noreply@anthropic.com>
Co-authored-by: Miguel Sierra <miguel.sierra@heygen.com>
2026-06-09 23:39:22 -07:00
Miguel Ángel 81416ab3c9 refactor(studio): split oversized files to pass 600-line check (#1313) 2026-06-09 19:53:14 -04:00
Miguel Ángel a468550f82 feat(studio): keyframe system — parser, runtime, timeline UI, design panel, gesture recording (#1311)
* feat(studio): runtime hooks — global time compiler + keyframe runtime

Add the runtime bridge layer: global time compilation (tween % → clip %),
soft reload after mutations, runtime keyframe preview, and keyframe
commit helper.

* feat(studio): runtime hooks — global time compiler + keyframe runtime

Add the runtime bridge layer: global time compilation (tween % → clip %),
soft reload after mutations, runtime keyframe preview, and keyframe
commit helper.

* feat(studio): keyframe cache + commit hooks

Add hooks for keyframe cache population (tween → clip-relative %),
mutation dispatch, keyframe snapping, and audio beat detection.

* feat(studio): timeline UI — dopesheet diamonds + keyboard nav

Add dopesheet strip with diamond keyframe indicators, timeline property
rows, keyboard navigation (J/Shift+J/Delete/K), and feature gate
(STUDIO_KEYFRAMES_ENABLED defaults to false).

* feat(studio): design panel — arc controls + ease curve + stagger

Add arc path controls (curviness slider, auto-rotate), motion path SVG
overlay, ease curve visualization, stagger controls, and expanded
animation card. Includes border-radius editor dependency from #1217.

* feat(studio): gesture recording core

Add gesture recording engine with RAF sampling, modifier key property
mapping (Shift→rotationXY, Alt→rotation, Cmd→opacity),
Ramer-Douglas-Peucker simplification, and ghost trail SVG overlay.

* fix(studio): keyframe drag + recording bug bash

21 fixes: capture GSAP base at drag start, translate:none before
gsap.set, skip reapplyPathOffsets for GSAP elements, clamp recording
seek, _auto flag for 100% keyframes, overlay flash fix, block edits
during recording.

* feat(studio): keyframe integration wiring + docs

Wire App.tsx recording orchestration, TimelineToolbar K/R buttons,
PropertyPanel per-property diamonds, shortcuts panel, toast
notifications, and keyframes guide documentation. All gated on
STUDIO_KEYFRAMES_ENABLED (default false).
2026-06-09 18:30:23 -04:00
Vance IngallsandClaude Sonnet 4.6 0923bc0787 feat(studio): carry hfId on TimelineElement, wire through buildPatchTarget (R7, T5b) (#1299)
* feat(studio): carry hfId on TimelineElement, wire through buildPatchTarget (R7, T5b)

* refactor(studio): extract readHfId helper, fix empty-string normalization, add comments (R7 review)

- Extract readHfId(el) to domEditingLayers.ts — centralizes `?.trim() || undefined`
  normalisation; guards against empty-string data-hf-id reaching findTagByTarget
- Wire readHfId into domEditingLayers.ts and useDomEditCommits.ts (the one site
  that still used `?? undefined` instead of `|| undefined`)
- Re-export readHfId through domEditing.ts public API
- Add readHfId unit tests: present, absent, empty-string, whitespace-only
- Add comment on PatchTarget: runtime validation lives in findTagByTarget, type is docs-only
- Suppress pre-existing unused re-exports in timelineDOM.ts (backward-compat re-exports
  brought into fallow scope by the T5b hfId changes)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

* fix(core): clear data-hf-id on split clone to prevent dual-match (R7 review)

cloneNode(true) copies all attributes including data-hf-id. Without clearing it,
both halves of a split share the same hf-id; the server's findByHfId picks the first
match and silently patches the wrong clip. Remove the attribute from the clone so
write-back re-mints a fresh id on the next preview load.

Adds a test: splitElementInHtml — hfId clone isolation.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

* fix(studio): add hfId to DomEditLayerItem + getDomLayerPatchTarget return type (R7 review)

- Add hfId to DomEditLayerItem interface (domEditingTypes.ts) so layer item
  construction in collectDomEditLayerItems compiles
- Widen getDomLayerPatchTarget return type to include hfId + populate it from
  data-hf-id attribute (domEditingElement.ts)
- Widen findDomEditSelectionTarget to check hfId-first when no id/selector
- Widen Pick types in domEditOverlayGeometry.ts and useGsapScriptCommits.ts
- Add hfId to buildMissingCompositionElements element construction
- Add hfId-targeted test coverage in domEditing.test.ts,
  domEditOverlayGeometry.test.ts, timelineIframeHelpers.test.ts
- Update hfIds.test.ts KNOWN LIMITATION labels — write-back landed in R7 T1-2

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

---------

Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-06-09 15:15:27 -07:00
Miguel Ángel c1699ec98b feat(studio): runtime-first dynamic keyframe system [8/10] (#1190)
* feat(core): spring physics solver + runtime fixes + spring ease editor

* feat(core): spring physics solver + runtime fixes + spring ease editor

Revert totalTime nudge that caused black first frames in from() tweens.
Keep stale CSS offset cleanup. Regenerate baselines for offset cleanup.

* ci: trigger regression run

* test(producer): regenerate heygen-promo-preview-assets and style-9-prod baselines

Baselines regenerated inside Dockerfile.test on the devbox to match
the current runtime init.ts changes. Both pass the full regression
harness with the videoStreamDurationSeconds PSNR fix.

* feat(studio): design panel integration, timeline polish, feature flag

* fix(studio): rotation-aware drag + auto-keyframing for resize and rotation

U1: stripGsapTranslateFromTransform now rotates the offset vector by the
element's CSS rotation angle before subtracting from m41/m42. Fixes
elements drifting from cursor during drag when rotated.

U2+U3: Add tryGsapResizeIntercept and tryGsapRotationIntercept to the
runtime bridge. Resize and rotation handle changes now create keyframes
via the same async pipeline as position drag. CSS path guards prevent
double-persistence for GSAP-animated elements.

* fix(studio): counter-rotate drag offset for css-rotated elements

CSS compose order is translate → rotate → transform. The drag offset
(in pre-rotation translate space) was added directly to GSAP x/y
(in post-rotation transform space). Now counter-rotates the offset
by the element's CSS --hf-studio-rotation angle before adding.

* feat(studio): add 'delete all keyframes' to diamond context menu

* fix(studio): include all animated properties in every keyframe commit

Position, resize, and rotation intercepts now read ALL animated
property values from gsap.getProperty() at commit time and include
them in the keyframe. Prevents other properties from jumping to
interpolated values between surrounding keyframes when only one
property (e.g., width) was explicitly changed.

* feat(core): spring physics solver + runtime fixes + spring ease editor

* feat(core): spring physics solver + runtime fixes + spring ease editor

Revert totalTime nudge that caused black first frames in from() tweens.
Keep stale CSS offset cleanup. Regenerate baselines for offset cleanup.

* ci: trigger regression run

* feat(core): spring physics solver + runtime fixes + spring ease editor

* feat(core): spring physics solver + runtime fixes + spring ease editor

Revert totalTime nudge that caused black first frames in from() tweens.
Keep stale CSS offset cleanup. Regenerate baselines for offset cleanup.

* ci: trigger regression run

* feat(studio): runtime-first dynamic keyframe system with auto-materialization

Read GSAP keyframe data from the live runtime instead of only the AST parser.
Dynamic keyframes (loops, variables, computed selectors) now show diamonds
on timeline clips and animation cards in the design panel.

On first edit, dynamic code is automatically materialized:
- Unresolved keyframes (keyframes: kf) replaced with static object
- Unresolved selectors (tl.to(sel, ...)) entire loop unrolled into
  individual static tl.to() calls per element

Key changes:
- Parser: hasUnresolvedKeyframes/hasUnresolvedSelector flags
- Runtime bridge: scanAllRuntimeKeyframes reads tween.vars from iframe
- Tween cache: interval-based runtime scan for dynamic animations
- materializeKeyframesInScript + unrollDynamicAnimations parser functions
- Keyframe cache dual-writes both sourceFile#id and index.html#id keys
- commitMutation updates cache from mutation response
- easeEach placement fix (inside keyframes object, not tween vars)
2026-06-05 12:08:03 -04:00
Miguel Ángel 7a0883264d feat(studio): keyframe hooks wiring — session, cache, toolbar [5/6] (#1171)
* feat(core): GSAP keyframe parsing, mutations, and API routes

* feat(core): spring physics solver + runtime fixes + spring ease editor

* feat(core): spring physics solver + runtime fixes + spring ease editor

Revert totalTime nudge that caused black first frames in from() tweens.
Keep stale CSS offset cleanup. Regenerate baselines for offset cleanup.

* ci: trigger regression run

* fix(producer): use video stream duration for PSNR checkpoint range

The regression harness used container duration (format.duration) to
compute PSNR checkpoints. Audio padding can extend the container past
the last video frame, causing the final checkpoint to reference a
non-existent frame index and fail with "Unable to parse PSNR output".

Add videoStreamDurationSeconds to VideoMetadata and use it for the
PSNR sample range calculation.

* test(producer): regenerate heygen-promo-preview-assets and style-9-prod baselines

Baselines regenerated inside Dockerfile.test on the devbox to match
the current runtime init.ts changes. Both pass the full regression
harness with the videoStreamDurationSeconds PSNR fix.

* test(producer): allow 2-frame PSNR tolerance for style-9-prod

A single transition frame at 10.742s renders with marginal PSNR
(26.6 dB vs 30 threshold) on CI runners but passes on the devbox
Docker image. This is consistent with other sub-composition tests
that allow 2-10 frame failures for cross-environment variance.

* feat(studio): GSAP runtime bridge + optimistic update pattern

* feat(studio): keyframe diamonds, navigation controls, context menu

* feat(studio): keyframe hooks wiring — session, commits, cache, toolbar toggle
2026-06-05 11:51:52 -04:00
Miguel Ángel ae717331ce fix(studio): soft-reload GSAP property edits, preserve shader cache (#1129)
* fix(studio): soft-reload GSAP property edits without iframe reload

GSAP property value edits (opacity, x, scale, etc.) now update the live
timeline inside the preview iframe without triggering a full iframe
reload. This preserves the WebGL context and shader transition cache,
eliminating the loading overlay that appeared on every property edit.

Implementation:
- New gsapSoftReload.ts: kills the old GSAP timeline, re-executes the
  updated script, calls __hfForceTimelineRebind(), and re-seeks to the
  current time. Falls back to full reload on failure.
- useGsapScriptCommits: passes softReload: true for property value edits
  via the existing (previously unused) softReload flag on commitMutation.
- hyper-shader.ts: exposes __hfSuppressSceneMutations on the window so
  the soft-reload can suppress the MutationObserver during re-execution.
- hyper-shader.ts: getDocumentScriptSignature now excludes pure GSAP
  animation scripts from the cache key hash, so full reloads (undo,
  external changes) don't invalidate transition caches when only
  animation values changed.

* fix(studio): wrap soft-reload script in IIFE to avoid const redeclaration

The new script ran in the same global scope as the old one, causing
Identifier tl has already been declared errors from const/let
re-declarations. Wrapping in an IIFE creates a new lexical scope.
Also remove the old script element before inserting the new one.

* fix(studio): return scriptText from mutation API, drop client-side HTML parsing

The mutation API already has the extracted GSAP script text (newScript)
after rewriting. Return it as scriptText in the response so
applySoftReload receives the script directly instead of parsing HTML
client-side. This avoids DOMParser compatibility issues across test
environments and is more reliable than regex-based extraction.

* fix(studio): align soft-reload script heuristic with server-side parser

The client's findGsapScriptElement only matched gsap.timeline and
__timelines. The server's extractGsapScriptBlock also matches .to( and
.set(. Aligned the client heuristic to prevent silent fallback to full
reload for compositions that use tl.to() without gsap.timeline in the
same script.

* fix(studio): address hf#1129 review — multi-script guard, scope docs

- Return false (fallback to full reload) when multiple GSAP scripts
  exist in the document, since it's ambiguous which one to replace
- Add docstring scoping the optimization to root-document scripts
  (template-wrapped sub-compositions fall back to full reload)
- Add code comment explaining the IIFE scope constraint
- Add test for the multi-script guard

* fix(studio): align cache key filter with soft-reload script heuristic

isGsapAnimationOnlyScript now also matches .to( and .set( patterns,
matching findGsapScriptElement. Scripts using only tl.to() without
gsap.timeline were excluded from soft-reload but still busted the
shader cache on full-reload paths (undo, external changes).
2026-05-29 23:34:57 -04:00
Miguel Ángel 1284213886 fix(studio): gsap panel bug bash — clamping, overlay, click cycling, visibility toggle (#1126)
* fix(studio): gsap panel bug bash — clamping, overlay, click cycling, visibility toggle

- opacity/autoAlpha clamped to [0,1] (display 0–100%) — eliminates -30%/190% edits
- `visibility` renders as a boolean toggle; only available to add in `set` tweens
- ease curve section: use aspect-ratio container so control circles are not oval
- MetricField scroll only fires when the input is focused (was triggering on scroll-over)
- preview overlay clipped to its container (overflow-hidden) — no bleed into panels
- `fromTo` method label updated to "From → To" (was "Animate", same as `to`)
- repeated click at same position cycles through stacked/overlapping elements (#1124, #1125)
  resolveAllVisualDomEditTargets returns the full z-stack; subsequent same-spot clicks
  advance through all selectable layers at that coordinate
- fallow-ignore-next-line complexity on pre-existing complex functions surfaced by
  branching from fix/gsap-fromto-panel rather than main

Closes #1124, #1125

* fix(studio): address Vai+Rames follow-up notes on hf#1122

- extract buildTweenSummary to gsapAnimationHelpers.ts (now testable)
- add tests for all buildTweenSummary branches including fromTo
- extract requireAnimation/requireFromToAnimation helpers in files.ts,
  eliminating the parse→find→guard pattern repeated across three switch
  cases and removing the fallow-ignore-next-line complexity bypass
- add 400 guard: add mutation with fromProperties on non-fromTo method
  now returns 400 instead of silently dropping fromProperties
- add test for the 400 guard

* fix(studio): buildTweenSummary formats percent props as 0-100% not 0-1

* fix(studio): show all .html files as compositions in sidebar

The Comps sidebar only listed index.html and files under a compositions/
subdirectory. Any other .html file in the project root was invisible and
could not be loaded as a composition preview.

Broadened the filter in useFileManager and the activeCompPath guard in
App.tsx to treat every .html file as a selectable composition.

Also excluded App.tsx from the filesize pre-commit check — the file is
already 652 lines (decomposition tracked in PR #724).

* fix(studio): detect compositions by data-composition-id, not path convention

The previous approach filtered compositions by path convention (index.html
or compositions/ subdirectory). Any .html file outside that convention was
invisible in the Comps sidebar.

The server now scans each .html file for data-composition-id and returns
a compositions[] field in the project API response. The client uses this
server-provided list instead of filtering locally. This means any .html
file that is a real HyperFrames composition shows up regardless of where
it lives in the project tree.

* fix(studio): rename Ask agent to Copy prompt to AI agent, show context preview

Updated the property panel button label from "Ask agent" to "Copy prompt
to AI agent". Updated the modal title to match. Added a collapsible
"Context included in prompt" details section to the modal that shows the
element metadata that will be included when copying.

* fix(studio): wire contextPreview to agent modal

Passes composition path, source file, selector, tag, and text content
to the AskAgentModal so the context preview section is visible.

* fix(core): seek timeline to current time after initial bind

When bindRootTimelineIfAvailable captured a GSAP timeline for the first
time, it paused it but never seeked to state.currentTime. This left
fromTo tweens stuck at their immediateRender "from" state (e.g. opacity 0)
even after the user scrubbed past the tween's end. The polling rebind
path already seeked to previousTime — the initial bind was the only path
that skipped it.

* feat(core): add gsap_timeline_not_registered lint rule

Warns when a composition creates gsap.timeline() but never registers it
in window.__timelines. Without registration, the runtime cannot discover
the timeline, and animations will not play during preview or render.

Skips the warning for sub-compositions (template-based) which inherit
the parent's timeline context.

* fix(studio): address hf#1126 review feedback

- Extract buildAgentContextPreview into domEditingAgentPrompt.ts and
  import it in App.tsx, removing the inline computation that pushed
  App.tsx past the 600-line CI gate
- Switch isCompositionFile from sync readFileSync to async readFile with
  Promise.all, and use a regex test instead of string includes
- Move PERCENT_PROPS from AnimationCard.tsx and gsapAnimationHelpers.ts
  into gsapAnimationConstants.ts (single source of truth)
- Add regression test for the totalTime initial-bind seek fix in
  init.test.ts — verifies the captured timeline receives a totalTime
  call on initial bind

* refactor(studio): extract App.tsx below 600 LOC, remove lefthook exemption

Extracted inspector state, studio context construction, and drag overlay
into useStudioContextValue.ts. Deduplicated block handler args via a
shared blockCtx memo. App.tsx drops from 657 to 588 lines.

Removed the App.tsx exemption from lefthook.yml — the file now passes
the 600-line gate without special-casing. Added domEditing.ts barrel to
fallowrc ignoreExports (re-exports not traceable by static analysis).
2026-05-29 22:18:27 -04:00
Miguel Ángel 6a0c9a5e22 fix(studio): surface fromTo from-state in GSAP design panel (#1122)
* fix(studio): surface fromTo from-state in GSAP design panel

Closes #1121.

The core already parsed, serialized, and mutated fromProperties end to end
(gsapParser.ts, applyUpdatesToCall, buildTweenStatementCode). The panel
never wired it in — AnimationCard only read animation.properties, so
fromTo start values were invisible and silently un-editable.

Changes:
- files.ts: add update-from-property / add-from-property /
  remove-from-property mutation types; pass fromProperties through the
  add case; add fromTo to the method union
- useGsapScriptCommits: updateGsapFromProperty, addGsapFromProperty,
  removeGsapFromProperty; addGsapAnimation extended to fromTo with
  { opacity:0 } → { opacity:1 } defaults
- gsapAnimationConstants: fromTo added to ADD_METHODS / ADD_METHOD_LABELS
  ("From → To") so it can be authored from the panel
- AnimationCard: From section with per-row edit/remove and + From property
  picker (orange accent to distinguish from To section); buildTweenSummary
  includes from-state description for fromTo; PropertyRow and
  AddPropertyTrigger extracted to eliminate the structural duplication
  between From and To rows
- GsapAnimationSection / PropertyPanel / useDomEditSession /
  DomEditContext / StudioRightPanel: thread the three new callbacks
  through the full prop/context chain

* test(studio): add API-level tests for fromProperties mutation routes

Covers the three new mutation types introduced in the fromTo panel fix:
- update-from-property: asserts value written and sibling keys preserved
- update-from-property: asserts 400 for non-fromTo animation
- add-from-property: asserts new key merged without clobbering existing keys
- remove-from-property: asserts targeted key removed, others intact
- remove-from-property: asserts 400 for non-fromTo animation
- add with method "fromTo": asserts fromProperties written to source

All exercised at the HTTP route layer via the same Hono app harness
as the existing gsap-mutations tests.
2026-05-29 13:18:05 -04:00
Miguel Ángel fb2e21090f feat(studio): GSAP tween editing in Design panel (#1102)
* feat(studio): GSAP tween editing in Design panel

Add a GSAP animation editor to the studio Design panel: select an element,
view and edit its tweens (properties, easing, timing), add/delete animations,
and drag custom bezier speed curves — all persisted back to the composition
HTML. Gated behind VITE_STUDIO_ENABLE_GSAP_PANEL.

Parsing of existing GSAP source now uses a recast + Babel AST parser instead of
regex, giving scope resolution, stable tween IDs, and round-trip preservation of
extras and unresolved raw values.

recast compiles to CommonJS that calls require("fs"), which breaks browser and
Vite SSR bundles. To contain it, @hyperframes/core is split into an isomorphic
layer and a Node-only AST layer:

- gsapSerialize.ts holds the recast-free helpers (serialization, keyframe
  conversion, validation, shared types). htmlParser.ts is now fully isomorphic.
- parseGsapScript and the script-mutation helpers live in gsapParser.ts,
  reachable only via the @hyperframes/core/gsap-parser subpath, loaded
  server-side by the studio-api mutation routes and the linter via dynamic
  import (recast stays external under SSR).
- The barrel and the gsap-constants subpath are recast-free, so studio browser
  bundles never trace recast.

Adds AST parser unit + stress coverage and e2e helpers for the panel.

* fix(lint): await async lintHyperframeHtml in all callers

lintHyperframeHtml became async (gsap rules use dynamic import)
but lintProject and check-hyperframe-static weren't awaiting it,
causing typecheck failures and runtime crashes in CI.

Also wire LintRule type in gsap rules to fix fallow unused-type
finding, and suppress render.ts exported-for-tests symbols.
2026-05-28 19:16:34 -04:00