Fixed kokoro loading process.

public/js/audio-manager-module.js

@@ -13,6 +13,7 @@ class AudioManagerModule extends BaseModule {
         this.masterVolume = 1.0;
         this.musicVolume = 1.0;
         this.sfxVolume = 1.0;
+        this.ttsVolume = 1.0;
         
         // Add persistence-manager as a dependency
         this.dependencies = ['persistence-manager'];
@@ -193,7 +194,19 @@ class AudioManagerModule extends BaseModule {
         this.masterVolume = Math.max(0, Math.min(1, volume));
         this.updateVolumes();
     }
-    
+
+    /**
+     * Set the speech volume
+     * @param {number} volume - The volume level (0.0 to 1.0)
+     */
+    setTtsVolume(volume) {
+        this.ttsVolume = Math.max(0, Math.min(1, volume));
+        // Apply to current non-loop audio if it exists
+        if (this.currentAudio) {
+            this.currentAudio.volume = this.masterVolume * this.ttsVolume;
+        }
+    }
+
     /**
      * Set the music volume
      * @param {number} volume - The volume level (0.0 to 1.0)
@@ -318,7 +331,7 @@ class AudioManagerModule extends BaseModule {
             }
             
             // Apply master volume and speech volume
-            audio.volume = this.masterVolume * speechVolume;
+            audio.volume = this.masterVolume * speechVolume * this._ttsVolume;
             
             // Set up cleanup
             audio.onended = () => {