Fix TTS: Switch to eleven_turbo_v2 and improve logging

app.py

@@ -30,8 +30,15 @@ def generate_audio(text: str) -> str:
     Generate audio from text using ElevenLabs API.
     Returns path to temporary audio file or None if failed.
     """
-    if not ELEVENLABS_API_KEY or not text:
+    if not ELEVENLABS_API_KEY:
+        print("⚠️ ELEVENLABS_API_KEY is missing")
         return None
+    
+    if not text:
+        print("⚠️ No text provided for audio generation")
+        return None
+        
+    print(f"Generating audio for text: {text[:50]}...")
         
     try:
         url = f"{ELEVENLABS_API_URL}/{ELEVENLABS_VOICE_ID}"
@@ -42,7 +49,7 @@ def generate_audio(text: str) -> str:
         }
         data = {
             "text": text,
-            "model_id": "eleven_monolingual_v1",
+            "model_id": "eleven_turbo_v2",
             "voice_settings": {
                 "stability": 0.5,
                 "similarity_boost": 0.5
@@ -55,9 +62,10 @@ def generate_audio(text: str) -> str:
             # Save to temp file
             with tempfile.NamedTemporaryFile(delete=False, suffix=".mp3") as f:
                 f.write(response.content)
+                print(f"✅ Audio generated successfully: {f.name}")
                 return f.name
         else:
-            print(f"ElevenLabs API Error: {response.text}")
+            print(f"❌ ElevenLabs API Error ({response.status_code}): {response.text}")
             return None
             
     except Exception as e: