v3.1.3: Fix SPA redeclaration errors, update docker-compose for cookies

docker-compose.yml

@@ -14,11 +14,14 @@ services:
     volumes:
       # Persist data (Easy setup: Just maps a folder)
       - ./data:/app/data
+      # Cookies file for YouTube (Required for NAS/Server to fix "Transcript not available")
+      - ./data/cookies.txt:/app/cookies.txt
       # Local videos folder (Optional)
       # - ./videos:/app/youtube_downloads
     environment:
       - PYTHONUNBUFFERED=1
       - FLASK_ENV=production
+      - COOKIES_FILE=/app/cookies.txt
     healthcheck:
       test: [ "CMD", "curl", "-f", "http://localhost:5000/" ]
       interval: 30s

static/js/webllm-service.js

@@ -3,7 +3,10 @@
  * Uses MLC's WebLLM for on-device AI inference via WebGPU
  */
 
-class WebLLMService {
+// Guard against redeclaration on SPA navigation
+if (typeof WebLLMService === 'undefined') {
+
+    class WebLLMService {
         constructor() {
             this.engine = null;
             this.isLoading = false;
@@ -329,12 +332,14 @@ Do NOT copy sentences from the transcript. Instead, synthesize the core ideas in
                 this.loadProgress = 0;
             }
         }
-}
+    }
 
-// Global singleton instance
-window.webLLMService = new WebLLMService();
+    // Global singleton instance
+    window.webLLMService = new WebLLMService();
 
-// Export for module usage
-if (typeof module !== 'undefined' && module.exports) {
+    // Export for module usage
+    if (typeof module !== 'undefined' && module.exports) {
         module.exports = WebLLMService;
-}
+    }
+
+} // End guard block for WebLLMService

templates/watch.html

@@ -1703,10 +1703,11 @@
 
     <script>
         // Track current language state and WebLLM status
-        let currentSummaryLang = 'en';
-        let webllmInitialized = false;
-        let currentTranscriptText = null;
-        let currentSummaryData = { en: null, vi: null };
+        // Use var and guards to prevent redeclaration errors on SPA navigation
+        if (typeof currentSummaryLang === 'undefined') var currentSummaryLang = 'en';
+        if (typeof webllmInitialized === 'undefined') var webllmInitialized = false;
+        if (typeof currentTranscriptText === 'undefined') var currentTranscriptText = null;
+        if (typeof currentSummaryData === 'undefined') var currentSummaryData = { en: null, vi: null };
 
         // WebLLM Progress Update Handler - Silent loading (just log to console)
         function updateWebLLMProgress(percent, status) {