fix(frontend): make overlays accessible and wake word opt-in

vocero-frontend/src/realtime/controller.ts

@@ -57,6 +57,7 @@ export interface AppState {
   queuePosition: number;
   joinDeadline: number;
   unlock: boolean;
+  wakeWordEnabled: boolean;
 }
 
 /** Observable application state; React owns rendering, this object owns session lifetime. */
@@ -103,6 +104,7 @@ export class VoiceController {
       queuePosition: 0,
       joinDeadline: 0,
       unlock: false,
+      wakeWordEnabled: false,
     };
   }
   getSnapshot = () => this.state;
@@ -261,6 +263,12 @@ export class VoiceController {
   dismissError() {
     this.update({ error: "" });
   }
+  dismissUnlock() {
+    this.update({ unlock: false });
+  }
+  setWakeWordEnabled(wakeWordEnabled: boolean) {
+    this.update({ wakeWordEnabled });
+  }
   offerAutoStart() {
     if (this.autoStarted || this.client || !this.state.configReady || this.state.contextLoading) {
       return;
@@ -608,6 +616,7 @@ export class VoiceController {
     this.updateLevel(0);
     this.update({
       status,
+      wakeWordEnabled: false,
       muted: false,
       joinDeadline: 0,
       unlock: false,