call: lint/format cleanup for lotus EC wiring

Resolve the eslint/prettier failures from the previous commit (non-blocking
in CI, but real): drop the banned `void` operator on fire-and-forget
transport.send().catch() calls, prefix the now-unused _denoiseNativeNS
param, and run prettier on the touched files.

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

HANDOFF_ELEMENT_CALL_FORK.md

@@ -24,12 +24,12 @@ npm registry** (`code.lotusguild.org`) — zero new infra.
 
 ### 9.1 Version → tag → commit mapping (LOCKED)
 
-| Source | Value |
-| :-- | :-- |
-| cinny `package.json` pin | `@element-hq/element-call-embedded@0.20.1` |
-| Bundle self-report (`VITE_APP_VERSION`/`appVersion`) | `embedded-v0.20.1` |
-| npm registry `gitHead` for 0.20.1 | `2d74c48151d9edc01c65a22a91478aac81bf24d0` |
-| GitHub tag `v0.20.1` → commit | `2d74c48…` ✅ **same commit** |
+| Source                                               | Value                                      |
+| :--------------------------------------------------- | :----------------------------------------- |
+| cinny `package.json` pin                             | `@element-hq/element-call-embedded@0.20.1` |
+| Bundle self-report (`VITE_APP_VERSION`/`appVersion`) | `embedded-v0.20.1`                         |
+| npm registry `gitHead` for 0.20.1                    | `2d74c48151d9edc01c65a22a91478aac81bf24d0` |
+| GitHub tag `v0.20.1` → commit                        | `2d74c48…` ✅ **same commit**              |
 
 → **Fork from upstream tag `v0.20.1` (commit `2d74c48`).** The embedded package
 version equals the element-call release tag; repo `package.json` version is
@@ -49,13 +49,13 @@ upstream EC's own, not ours.
 - **Node `24`** (`.node-version`), **pnpm `10.33.0`** (`packageManager` field,
   via corepack).
 - Build: **`pnpm run build:embedded`** = `vite build --config
-  vite-embedded.config.ts` with `NODE_OPTIONS=--max-old-space-size=16384`.
+vite-embedded.config.ts` with `NODE_OPTIONS=--max-old-space-size=16384`.
 - Output dir is **repo-root `dist/`**; CI stages it into **`embedded/web/dist`**
   (the `embedded/web/` dir holds the publish template: `package.json`, README,
   both LICENSE files).
 - Publish workflow upstream = `.github/workflows/publish-embedded-packages.yaml`:
   builds → `npm version <tag> --no-git-tag-version` → `npm publish --provenance
-  --access public` to npmjs as `@element-hq/element-call-embedded`. (Also
+--access public` to npmjs as `@element-hq/element-call-embedded`. (Also
   Android/Maven + iOS/SwiftPM — irrelevant; we are web-only.)
 
 ### 9.4 Build reproduction — PARITY CONFIRMED
@@ -68,8 +68,8 @@ shipped npm dist:
   wasm, audio, JSON locale files, and `IndexedDBWorker`.
 - **Only 5 JS chunks differ** (`index`, `pako.esm`, `polyfill-force`,
   `rust-crypto`, `spa`) — **cause isolated to the version define**: our local
-  build baked `appVersion:\`dev\`` (because `VITE_APP_VERSION` was unset) vs the
-  npm build's `appVersion:\`embedded-v0.20.1\``. `index.html` is identical modulo
+  build baked `appVersion:\`dev\``(because`VITE_APP_VERSION`was unset) vs the
+npm build's`appVersion:\`embedded-v0.20.1\``. `index.html` is identical modulo
   the hashed asset filenames. **Benign** — our CI sets the version from the git
   tag, so a tagged CI build will match.
 
@@ -95,7 +95,7 @@ to the Gitea npm registry (needs `secrets.GITEA_NPM_TOKEN`).
    `package.json` dep + `vite.config.js` `viteStaticCopy` src. `npm install`
    swapped the package (resolved from Gitea), `npm run build` succeeded,
    `dist/public/element-call/` populated, bundle reports `appVersion:
-   embedded-v0.20.1`, **denoise shim injected + all denoise assets copied**
+embedded-v0.20.1`, **denoise shim injected + all denoise assets copied**
    (injection layer unchanged). **These cinny edits are staged in the working
    tree, NOT committed/pushed** — pushing triggers CI → desktop → deploy, so it's
    gated on the §D live test (see §10).
@@ -390,7 +390,7 @@ re-homed into the fork.
   EC is **same-origin** today (self-hosted under our domain;
   `iframe.sandbox` includes `allow-same-origin`; we read `contentDocument`), and
   **as of 2026-06-29 we own the fork's source** (`@lotusguild/element-call-embedded`).
-  The _practical_ point it made still holds *until we ship the audio-inject API*:
+  The _practical_ point it made still holds _until we ship the audio-inject API_:
   **LiveKit's `LocalAudioTrack` lives in EC's module scope**, not on `window`, so
   cinny can't reach it even same-origin — which is why the in-call soundboard had
   to be local-playback-only. **The fork removes this wall:** EC can expose a real
@@ -441,13 +441,15 @@ go live:
 ## 11. Phase 2 — implementation seams (mapped 2026-06-29)
 
 The exact integration points for each Phase 2 item, found by reading the EC fork
-+ cinny source. **All of these are media-path / in-call features that cannot be
-functionally verified without a live Matrix + LiveKit call** — implement each as
-a minimal, **feature-flagged, additive** diff (no behavior change unless cinny
-opts in), build-verify the fork (`pnpm build:embedded`, ~15s) AND cinny
-(`npm run build`), then gate shipping on `LOTUS_TESTING.md` §D.
+
+- cinny source. **All of these are media-path / in-call features that cannot be
+  functionally verified without a live Matrix + LiveKit call** — implement each as
+  a minimal, **feature-flagged, additive** diff (no behavior change unless cinny
+  opts in), build-verify the fork (`pnpm build:embedded`, ~15s) AND cinny
+  (`npm run build`), then gate shipping on `LOTUS_TESTING.md` §D.
 
 **Shared widget channel (the backbone for #2/#3/#4/#7):**
+
 - EC→cinny: `widget.api.transport.send("io.lotus.<x>", data)` (see
   `element-call/src/widget.ts`).
 - cinny→EC actions: add the action name to the `lazyActions` allow-list in
@@ -464,43 +466,43 @@ opts in), build-verify the fork (`pnpm build:embedded`, ~15s) AND cinny
 Mount in `room/InCallView.tsx` via `useEffect` guarded by `widget !== null`.
 cinny: `listenAction("io.lotus.call_state")` in `CallEmbed.ts`, feed
 `hooks/useCallSpeakers.ts` → delete its `contentDocument` `[data-muted]` /
-`[data-video-fit]` scrape. *Additive, low risk.*
+`[data-video-fit]` scrape. _Additive, low risk._
 
 **#4 spotlight/focus** — EC: add `io.lotus.focus_participant` to the `lazyActions`
 list (`widget.ts`), drive `vm`'s spotlight (`spotlightSpeaker$` /
 `spotlight$` in `CallViewModel.ts:898/1001`) to pin a given identity, coexisting
 with `hasRemoteScreenShares$` (L1008). cinny: replace
 `CallControl.ts` `focusCameraParticipant` `.click()` walk with
-`transport.send("io.lotus.focus_participant", {userId})`. *Additive, low risk.*
+`transport.send("io.lotus.focus_participant", {userId})`. _Additive, low risk._
 
 **#3 audio-inject** — EC: add `io.lotus.inject_audio` action; mix an
 `AudioBufferSourceNode` into the published mic track. The local publish path is
 `state/CallViewModel/localMember/Publisher.ts` + `LocalMember.ts` (LiveKit
 `localParticipant`); create a `MediaStreamAudioDestinationNode`, mix mic + clip,
 `replaceTrack`. cinny soundboard calls the action instead of local-only playback.
-*Medium; touches publish path → live-test carefully.*
+_Medium; touches publish path → live-test carefully._
 
 **#1 denoise-in-source** — replace the cinny `lotusDenoise()` `getUserMedia`
 monkeypatch with a real processing stage in EC's mic capture
 (`Publisher.ts`/`LocalMember.ts`; note EC has a `TrackProcessorContext` +
 `BlurBackgroundTransformer` precedent in `livekit/`). EC re-runs it on every
 (re)publish → fixes A7. Remove `vite.config.js` `lotusDenoise()` + URL params in
-`CallEmbed.ts`; move `denoise/` assets into the fork. *Highest value, highest
-risk — most live testing.*
+`CallEmbed.ts`; move `denoise/` assets into the fork. _Highest value, highest
+risk — most live testing._
 
 **#5 theming** — add a Lotus/TDS theme in EC's theme system (`src/useTheme.ts` +
 EC theme tokens / CSS); driven by the existing `setTheme()` channel cinny already
 calls (`CallEmbed.ts:277`). Bake transparent background. Delete cinny's
-`applyStyles()` injection + `background:none !important`. *Medium.*
+`applyStyles()` injection + `background:none !important`. _Medium._
 
 **#6 in-call decorations** — render the decoration APNG in EC's tile component
 (`tile/GridTile.tsx`); pass slugs via widget member data. cinny already has the
-decoration data + `AvatarDecoration` (lobby `CallMemberCard.tsx`). *Medium-Large.*
+decoration data + `AvatarDecoration` (lobby `CallMemberCard.tsx`). _Medium-Large._
 
 **#7 quality controls** — set audio `maxBitrate` via
 `RTCRtpSender.setParameters` and screenshare `getDisplayMedia` constraints in
 EC's publish path (`Publisher.ts`); configurable via `config.json` / a widget
-message. Keep the server `voice-limit-guard` as enforcement. *Medium.*
+message. Keep the server `voice-limit-guard` as enforcement. _Medium._
 
 **Rollback:** revert the 4 cinny files (restores `@element-hq/...@0.20.1` from
 npmjs). The fork repo/package can stay; nothing else depends on it until pushed.
@@ -529,15 +531,15 @@ Fork modules live under `element-call/src/lotus/*`; mounts are `useEffect`s in
 `src/room/InCallView.tsx`. Custom widget actions are in `src/lotus/lotusActions.ts`
 (toWidget ones allow-listed in `src/widget.ts`).
 
-| # | Feature | Enable via | EC module |
-| :- | :- | :- | :- |
-| 2 | Speaker/mute/camera state → host | URL `lotusCallState=1` | `lotusCallState.ts` (sends `io.lotus.call_state`) |
-| 4 | Focus/spotlight a participant (works during screenshare) | action `io.lotus.focus_participant {userId|null}` | `lotusFocus.ts` + `CallViewModel` spotlight override |
-| 3 | Soundboard audio-inject (heard by peers) | URL `lotusAudioInject=1` + action `io.lotus.inject_audio {url,volume?}` | `lotusAudioInject.ts` |
-| 7 | Audio/screenshare quality caps | action `io.lotus.set_quality {audioMaxBitrate?,screenshareMaxBitrate?,screenshareMaxFramerate?}` | `lotusQuality.ts` |
-| 5 | Transparent bg + Lotus theme | URL `lotusTransparent=1` / `lotusTheme=1` | `useTheme.ts` + `index.css` |
-| 6 | In-call avatar decorations | action `io.lotus.decorations {decorations:{userId:url}}` | `lotusDecorations.ts` + `MediaView.tsx` |
-| 1 | ML denoise in-source (fixes A7) | URL **`lotusDenoiseSource=1`** (+`lotusModel`,`lotusGate`,`lotusGateThreshold`,`lotusDenoiseBase`) — deliberately NOT the existing `lotusDenoise=ml` (that drives the host shim; reusing it would double-process) | `lotusDenoise.ts` + `lotusDenoiseProcessor.ts` |
+| #   | Feature                                                  | Enable via                                                                                                                                                                                                        | EC module                                         |
+| :-- | :------------------------------------------------------- | :---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | :------------------------------------------------ | ---------------------------------------------------- |
+| 2   | Speaker/mute/camera state → host                         | URL `lotusCallState=1`                                                                                                                                                                                            | `lotusCallState.ts` (sends `io.lotus.call_state`) |
+| 4   | Focus/spotlight a participant (works during screenshare) | action `io.lotus.focus_participant {userId                                                                                                                                                                        | null}`                                            | `lotusFocus.ts` + `CallViewModel` spotlight override |
+| 3   | Soundboard audio-inject (heard by peers)                 | URL `lotusAudioInject=1` + action `io.lotus.inject_audio {url,volume?}`                                                                                                                                           | `lotusAudioInject.ts`                             |
+| 7   | Audio/screenshare quality caps                           | action `io.lotus.set_quality {audioMaxBitrate?,screenshareMaxBitrate?,screenshareMaxFramerate?}`                                                                                                                  | `lotusQuality.ts`                                 |
+| 5   | Transparent bg + Lotus theme                             | URL `lotusTransparent=1` / `lotusTheme=1`                                                                                                                                                                         | `useTheme.ts` + `index.css`                       |
+| 6   | In-call avatar decorations                               | action `io.lotus.decorations {decorations:{userId:url}}`                                                                                                                                                          | `lotusDecorations.ts` + `MediaView.tsx`           |
+| 1   | ML denoise in-source (fixes A7)                          | URL **`lotusDenoiseSource=1`** (+`lotusModel`,`lotusGate`,`lotusGateThreshold`,`lotusDenoiseBase`) — deliberately NOT the existing `lotusDenoise=ml` (that drives the host shim; reusing it would double-process) | `lotusDenoise.ts` + `lotusDenoiseProcessor.ts`    |
 
 **Security hardening applied** (holistic audit): `lotusDenoiseBase` forced
 same-origin before `audioWorklet.addModule` (was an arbitrary-code-load vector
@@ -561,7 +563,7 @@ The EC side is additive and dormant until cinny opts in. Host work needed (in
 > `deepfilternet` selections silently fall back to rnnoise (now logged). Restrict
 > the embedded-call model picker to rnnoise/speex, or implement the others in
 > `lotusDenoiseProcessor.ts`. **F4** — cinny sends `lotusNativeNS`, which the
-> fork ignores; drop it or wire it in. **F7** — no widget *capability* changes
+> fork ignores; drop it or wire it in. **F7** — no widget _capability_ changes
 > needed; custom actions bypass capability checks.
 
 1. **Set the URL flags** on the widget iframe params (the `URLSearchParams` in
@@ -649,4 +651,5 @@ shim). This enables a low-risk incremental rollout even without a staging env:
 **Blocker to step 1:** publishing the `lotus` branch needs a Gitea npm token
 (the admin token used for the `0.20.1` parity publish was deleted). Either
 provide a token for a manual `npm publish`, or stand up the Gitea Actions runner
-+ `GITEA_NPM_TOKEN` secret so a `v0.20.1-lotus.1` tag auto-publishes.
+
+- `GITEA_NPM_TOKEN` secret so a `v0.20.1-lotus.1` tag auto-publishes.

src/app/features/lotus/LotusDecorationPusher.tsx

@@ -43,9 +43,7 @@ export function LotusDecorationPusher({ callEmbed }: { callEmbed: CallEmbed }):
     map.current.forEach((url, userId) => {
       decorations[userId] = url;
     });
-    void callEmbed.call.transport
-      .send('io.lotus.decorations', { decorations })
-      .catch(() => undefined);
+    callEmbed.call.transport.send('io.lotus.decorations', { decorations }).catch(() => undefined);
   }, [callEmbed]);
 
   const schedulePush = useCallback(() => {

src/app/plugins/call/CallControl.ts

@@ -350,16 +350,12 @@ export class CallControl extends EventEmitter implements CallControlState {
     // DOM-poking tiles. EC's layout honors it — including surfacing the camera
     // alongside a screenshare (A5) — and it's version-stable. The fork always
     // acks, so the promise resolves regardless.
-    void this.call.transport
-      .send('io.lotus.focus_participant', { userId })
-      .catch(() => undefined);
+    this.call.transport.send('io.lotus.focus_participant', { userId }).catch(() => undefined);
   }
 
   /** [lotus #4] Clear any manual spotlight pin and return to speaker-follows. */
   public clearFocusParticipant(): void {
-    void this.call.transport
-      .send('io.lotus.focus_participant', { userId: null })
-      .catch(() => undefined);
+    this.call.transport.send('io.lotus.focus_participant', { userId: null }).catch(() => undefined);
   }
 
   public dispose() {

src/app/plugins/call/CallEmbed.ts

@@ -138,7 +138,9 @@ export class CallEmbed {
     themeKind: ElementCallThemeKind,
     denoiseMode: NoiseSuppressionMode = 'browser',
     denoiseModel: string = 'rnnoise',
-    denoiseNativeNS: boolean = true,
+    // [lotus] no longer used by the in-source denoise path; kept positionally
+    // for callers. Prefixed with _ to satisfy no-unused-vars.
+    _denoiseNativeNS: boolean = true,
     denoiseGate: boolean = false,
     denoiseGateThreshold: number = -45,
     initialAudio = true,