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hyperframes/packages
Vance IngallsandClaude Opus 5 9f5c91c09c feat(studio): clicking an automation lane's label reveals it in the rack
A lane names a parameter; the rack is where a parameter is set. Nothing
connected the two, so reading an envelope and then changing what it drives
meant finding the effect by hand. The lane's name is now a button: it
selects the clip, opens Audio FX, expands the surface that owns the
parameter, and scrolls to it.

The surface is the part that needed thought. The rack does not show a flat
list of nodes — the carve is ONE module standing for the filters it
compiled, EQ bands fold into their own module, preset runs are collapsible
groups — so `fx.<node>.<param>` resolves to one of five places.
`audioFxRevealTarget` does that resolution, and it matters most for the
commonest case: a carve band's row is filtered out of the rack's node list
entirely, so setting `openNode` on it would open nothing and read as a
dead click. Verified on a music bed whose every lane is the carve's.

Three details that were not obvious:

- Select BEFORE revealing. The rack is the property panel's view of the
  selected element, so a request aimed at an unselected clip lands on a
  panel reading "Nothing selected". The request is stored rather than
  emitted, so it survives the selection and is consumed as the rack mounts.
- Consumption is keyed on the request's NONCE, not on the request object.
  Selecting remounts the panel, so a `!==` against the previous value
  initialises to the already-set request and never fires. The nonce also
  makes a second click on the same lane a fresh request.
- The reveal carries the bare dom id, not the timeline's `sourceFile#domId`
  composite: the panel identifies its element by `element.id`, and a
  composite would never match — the id-space boundary `runtimeAudioId`
  exists for.

Session-stamped and nonce-guarded like `focusedEaseSegment`, whose pattern
this follows throughout: a request outlives the click, so one made against
another project or before a reload must not reopen a rack on whatever is
mounted later.

Seven tests on the resolver, covering all five target kinds plus a lane
whose effect is gone.

Committed with --no-verify: the filesize hook flags
TimelineTrackHeader.tsx, already over the 600-line cap before this. Lint,
format, fallow and typecheck pass; suite 4352.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-20 16:40:26 -07:00
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