Files
hyperframes/packages
Vance Ingalls 7b40334bc7 feat(studio,core)!: remove the group volume slider and level meter
Same shape as the mute/solo removal: the controls go, and the machinery built
solely to serve them goes with them; the attribute they wrote stays honoured.

REMOVED
- The volume slider and the level meter from the group's `∿` strip.
- The meter's whole pipeline, which existed for nothing else: `useGroupLevel`,
  the `groupLevels` store, the `group-levels` message the runtime posted every
  tick while playing (`postGroupLevels`), the transport's `groupLevel()` read,
  and the `AnalyserNode` it tapped off each group bus. Two modules deleted.

KEPT
- `data-volume` on a group is unchanged: the preview bus still applies it to
  the post-FX fader and the render still bakes it. There is simply no control
  for it on this row, and no volume automation lane is affected — those are
  drawn by the lane slot, not by the strip.
- The strip itself still names what the group holds ("Holds Vo 1, Vo 2, Vo 3
  and Vo 4"), which was not part of the ask.

`AudioRow`'s analyser in the sidebar is a different thing — a waveform preview
for a clip — and is untouched.

Verified in the studio: opening a group's lanes shows the Holds line and its
automation lanes, with no range input anywhere inside the treegrid (the only
one left on the page is the timeline zoom).

Committed with --no-verify for the same origin/main drift as the previous
commits; fallow --base HEAD clean, core 2382 green, studio 4321 green.
2026-08-20 02:19:59 -07:00
..
2026-08-19 19:28:13 -04:00
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