Files
amethyst/commons
Claude a0d50c69f6 feat(buzz): live typing indicators (kind 20002)
Brings Buzz to typing-indicator parity with Concord, verified against buzz-core
kind.rs (KIND_TYPING_INDICATOR=20002, requires_h_channel_scope=false).

- commons BuzzTypingState: process-wide, lock-guarded channel->typist->heartbeat
  registry with stale pruning + future-clamp (6 unit tests).
- LocalCache records 20002 heartbeats into it (still no feed row; own typing
  filtered in the UI).
- RELAY_GROUP_OPEN_TAIL_KINDS requests 20002 on the open channel's live tail only
  (ephemeral, scoped to the room on screen, never the joined fleet).
- Account.sendBuzzTyping fires a throttled heartbeat to the host relay; the
  composer sends it on text change (gated to Buzz relays).
- BuzzTypingIndicator: an animated three-dot '… is typing' row above the composer
  that slides in/out and ages typists out on a timer.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01J8KBSw6smQRyXLiWHeDsZ8
2026-07-22 04:15:50 +00:00
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