Checkpoint current interactive fiction state

public/js/browser-tts-module.js

@@ -248,6 +248,9 @@ export class BrowserTTSModule extends TTSHandlerModule {
         this.utteranceHandlers = {
             start: () => {
                 this.isSpeaking = true;
+                document.dispatchEvent(new CustomEvent('tts:audio-started', {
+                    detail: { provider: this.id || this.name }
+                }));
             },
             end: () => {
                 this.isSpeaking = false;
@@ -443,13 +446,8 @@ export class BrowserTTSModule extends TTSHandlerModule {
         }
         
         if (typeof options.speed === 'number') {
-            this.voiceOptions.speed = Math.max(0.5, Math.min(2.0, options.speed));
-            
-            // Save speed preference
-            const persistenceManager = this.getModule('persistence-manager');
-            if (persistenceManager) {
-                persistenceManager.updatePreference('tts', 'browser_speed', options.speed);
-            }
+            // Web Speech rate uses 1.0 as normal, matching the app-wide slider.
+            this.voiceOptions.speed = Math.max(0.1, Math.min(10.0, options.speed));
         }
         
         if (typeof options.pitch === 'number') {