Update TTS providers and story markup

public/js/animation-queue-module.js

@@ -17,7 +17,7 @@ class AnimationQueueModule extends BaseModule {
         
         // Animation timing properties - use parent's config system
         this.updateConfig({
-            speed: 1.0,  // Speed multiplier for delays (1.0 = no scaling, delays are pre-calculated)
+            speed: 1.0,
             fastForwardEnabled: false
         });
         
@@ -44,7 +44,9 @@ class AnimationQueueModule extends BaseModule {
             // Listen for speed changes from UI
             document.addEventListener('animation:speed:change', (event) => {
                 if (event.detail && typeof event.detail.speed === 'number') {
-                    // Speed from UI is a rate multiplier (0.5-2.0 typically)
+                    // Word timings are already speed-scaled before they reach
+                    // the scheduler. Keep the value only for diagnostics/API
+                    // compatibility; do not apply it again in schedule().
                     this.config.speed = event.detail.speed;
                     console.log(`AnimationQueue: Speed updated to ${this.config.speed}`);
                 }
@@ -71,8 +73,9 @@ class AnimationQueueModule extends BaseModule {
             return -1;
         }
         
-        // Adjust delay based on fast-forward or speed settings
-        const actualDelay = this.config.fastForwardEnabled ? 0 : Math.max(0, delay * this.config.speed);
+        // Delays are absolute timings calculated from the prepared sentence
+        // duration. TTS/app speed has already been applied at that stage.
+        const actualDelay = this.config.fastForwardEnabled ? 0 : Math.max(0, delay);
         
         // Record the delay for tracking
         this.delay = Math.max(this.delay, delay);
@@ -318,7 +321,7 @@ class AnimationQueueModule extends BaseModule {
     
     /**
      * Set the animation speed
-     * @param {number} speed - Animation speed factor (lower is faster)
+     * @param {number} speed - Stored speed value for compatibility/diagnostics
      */
     setSpeed(speed) {
         if (typeof speed !== 'number' || speed <= 0) {