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T

Taylor HoandCarl facf4284b9 feat(composer): sync pill reorder motion and add per-action label ticker

- BotActivityBar.tsx: extract AnimatedPillSlot around each agent pill —
  reorders animate with a 0.9s spring (bounce 0.15, subtler overshoot) and
  an opacity dip via [1, 0.35, 1] keyframes running the same duration with
  linear easing, so the fade lands together with the layout switch instead
  of trailing it
- Label updates render as a clipped push-up ticker (h-3.5 overflow-hidden
  container; the new text pushes the old text up and out, 0.28s tween,
  instant under reduced motion); swaps are deferred while the pill's slot
  is mid layout animation (AnimatedPillSlot passes isMoving via render
  prop) and play once the spring settles, otherwise immediately
- Ticker keys on the backing transcript item id, not the label string: a
  genuinely new action animates, while streamed chunks that grow the same
  item (message first line, thought text) update text in place — fixes
  phantom re-animations of visually identical truncated text
- composerLiveActivity.ts: deriveActivityPillLabel now returns
  ActivityPillHeadline {id, label} and skips usage_update /
  available_commands_update lifecycle meta frames, which previously
  headlined the pill as bare "Usage"/"Commands" between real actions
- animations.css: .buzz-shimmer.truncate::before ellipsizes the glow
  overlay copy the same way as the base text, so the shimmer sweeps the
  ellipsis instead of revealing the clipped rightmost characters
- Pill max width raised from max-w-30 (120px) to max-w-36 (144px)
- channels.spec.ts: activity-indicator test now asserts the flag-ON
  reality (E2E seeds every preview feature, so composerLiveActivity always
  renders): hovering the pill opens the live-activity feed popover and
  clicking opens the agent session in the aux panel — replaces the legacy
  "View activity" item assertions, which only ever passed via a popover
  toggle race in the pre-pill trigger
- composerLiveActivity.test.mjs: object-shape assertions plus new cases —
  meta frames never headline, meta-only transcripts stay generic, and the
  headline id stays stable while a message streams (19 tests passing)

Co-authored-by: Taylor Ho <taylorkmho@gmail.com>
Signed-off-by: Taylor Ho <taylorkmho@gmail.com>

2026-08-05 16:41:56 -07:00