fix: re-apply desired device state after EC joins, support mid-call PTT

src/app/features/call/CallControls.tsx

@@ -58,6 +58,15 @@ export function CallControls({ callEmbed }: CallControlsProps) {
   const [pttKey] = useSetting(settingsAtom, 'pttKey');
   const [pttActive, setPttActive] = useState(false);
 
+  // Mute mic immediately when PTT is enabled mid-call so the key handler can activate
+  const pttModeRef = useRef(pttMode);
+  useEffect(() => {
+    if (pttMode && !pttModeRef.current && microphone) {
+      callEmbed.control.setMicrophone(false);
+    }
+    pttModeRef.current = pttMode;
+  }, [pttMode, callEmbed, microphone]);
+
   const handleOpenMenu: MouseEventHandler<HTMLButtonElement> = (evt) => {
     setCords(evt.currentTarget.getBoundingClientRect());
   };

src/app/plugins/call/CallControl.ts

@@ -101,6 +101,11 @@ export class CallControl extends EventEmitter implements CallControlState {
     this.emitStateUpdate();
   }
 
+  public async forceState(desired: CallControlState) {
+    this.state = new CallControlState(desired.microphone, desired.video, desired.sound, this.screenshare, this.spotlight);
+    await this.applyState();
+  }
+
   public startObserving() {
     this.controlMutationObserver.disconnect();
 

src/app/plugins/call/CallEmbed.ts

@@ -47,6 +47,8 @@ export class CallEmbed {
 
   private readonly disposables: Array<() => void> = [];
 
+  private readonly initialState: CallControlState;
+
   static getIntent(dm: boolean, ongoing: boolean): ElementCallIntent {
     if (ongoing) {
       return dm ? ElementCallIntent.JoinExistingDM : ElementCallIntent.JoinExisting;
@@ -149,6 +151,7 @@ export class CallEmbed {
 
     const controlState = initialControlState ?? new CallControlState(true, false, true);
     this.control = new CallControl(controlState, call, iframe);
+    this.initialState = controlState;
 
     let initialMediaEvent = true;
     this.disposables.push(
@@ -251,6 +254,8 @@ export class CallEmbed {
     this.joined = true;
     this.applyStyles();
     this.control.startObserving();
+    // EC ignores io.element.device_mute before join; re-apply desired state now that EC is live
+    this.control.forceState(this.initialState);
   }
 
   private applyStyles(): void {