feat: notification chimes for room join / peer join / peer leave (phase 1)

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Adds audible notifications for the basic membership events: a bright ascending
triad when you join a room, a soft two-note rise when another participant
joins, and a two-note fall when one leaves. Hooked into the app's UiEvent
handling (RoomJoined / PeerJoined / PeerLeft) so each is played locally by
whoever observes the event.

The chimes are short mono 16-bit WAVs generated by a committed stdlib-only
Python script (assets/sounds/generate_chimes.py) and embedded in the binary
with include_bytes!, so a deployed single binary is self-contained. The new
notify module materializes each to a temp file once, then plays it
fire-and-forget via pw-play (PipeWire-native; falls back to paplay/aplay) on a
detached thread that waits on the child -- never blocks the UI, never leaves a
zombie, and silently no-ops if no player is available.

Phase 1 of a larger plan; always-on for now. Later phases: reconnect-attempt /
reconnected sounds, a settings enable/disable toggle, per-event custom sounds,
and extra events (self-leave, mute/unmute, connection-lost).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

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This commit is contained in:

mollusk

2026-06-01 00:47:38 -04:00

co-authored by Claude Opus 4.8

parent ffe5b43d8d

commit 673b72d9ba

7 changed files with 175 additions and 0 deletions

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assets/sounds/self-join.wav

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