Style voice widget icons to be less red

src/app/voice.ts

@@ -135,6 +135,16 @@ export const isParticipantSpeaking = derived(
     $participants.some(sp => participantKey(sp) === participantKey(p)),
 )
 
+/** True when the local user is in LiveKit’s active-speakers list (currently talking). */
+export const isLocalSpeaking = derived(
+  [currentVoiceSession, speakingParticipants],
+  ([$session, $speaking]) => {
+    if (!$session?.room) return false
+    const local = participantFromLiveKitIdentity($session.room.localParticipant.identity)
+    return $speaking.some(sp => participantKey(sp) === participantKey(local))
+  },
+)
+
 const fetchLivekitToken = async (
   url: string,
   groupId: string,