docs(call): cover soundboard/quality/permissions in user-facing docs

- README "Calls & Voice": add the in-call soundboard, per-user call quality
  settings, and admin room call-permissions bullets.
- LOTUS_TODO: mark the soundboard UI as built (was "cinny UI remains / dormant").
- HANDOFF_ELEMENT_CALL_FORK: add a COMPLETE status banner to the §12.1 host
  checklist; fix stale denoise specifics (all four models are in-source;
  flag is lotusDenoiseSource=1, not lotusDenoise=ml).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
2026-06-30 22:43:49 -04:00
parent 7c06b27c73
commit 7939dc92d4
3 changed files with 24 additions and 10 deletions
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@@ -560,7 +560,7 @@ Exhaustive, low-level implementation details for backlog items. Follow these pat
> ⚠️ **[Gemini_Found — CORRECTED]** Gemini originally suggested using LiveKit's `LocalAudioTrack.replaceTrack()` to mix audio into the call stream. This is **not possible** from Lotus Chat's realm: Element Call runs in a **cross-origin iframe** controlled via `matrix-widget-api` (postMessage). LiveKit's JS SDK and its `LocalAudioTrack` live inside EC's sandboxed context — inaccessible from our code. This directly contradicts the confirmed constraint already listed in the Server Capabilities table: _"Cindy CANNOT inject audio into EC call stream — In-call soundboard must be redesigned as local-only."_ The soundboard must be a local-playback-only feature (output through the user's speakers, not mixed into the call audio stream).
>
> 🔱 **[EC-FORK — RESOLVED]** Both the original claim and the earlier "practical blocker still holds" correction are now **outdated**. EC is same-origin **and** we own the source, so we no longer reach into EC's module scope from cinny — instead the fork **exposes the inject point itself**: the `io.lotus.inject_audio` widget action (`LotusWidgetActions.InjectAudio`) publishes a clip as a separate LiveKit track from inside EC. A **real** in-call soundboard (mixed into the call, not local-only) is therefore unblocked; only the cinny-side UI remains (see P5-15 above). The capability ships dormant today.
> 🔱 **[EC-FORK — RESOLVED]** Both the original claim and the earlier "practical blocker still holds" correction are now **outdated**. EC is same-origin **and** we own the source, so we no longer reach into EC's module scope from cinny — instead the fork **exposes the inject point itself**: the `io.lotus.inject_audio` widget action (`LotusWidgetActions.InjectAudio`) publishes a clip as a separate LiveKit track from inside EC. A **real** in-call soundboard (mixed into the call, not local-only) is therefore unblocked, and the cinny-side soundboard UI is now **built** (P5-15 above): uploadable clips played into the call via this action, stored in `io.lotus.soundboard` account data.
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