Update websocket_handler.py

websocket_handler.py

@@ -837,14 +837,34 @@ async def generate_and_stream_tts(
         log_info("🛑 TTS streaming cancelled", session_id=session.session.session_id)
         raise
     except Exception as e:
+        error_msg = str(e)
         log_error(
             f"❌ TTS generation error",
-            error=str(e),
+            error=error_msg,
             traceback=traceback.format_exc(),
             session_id=session.session.session_id
         )
+        
+        # Quota hatası için özel handling
+        if "quota_exceeded" in error_msg:
+            if session.is_websocket_active:
+                await websocket.send_json({
+                    "type": "tts_error",
+                    "message": "TTS servisinin kredi limiti aşıldı. Yanıt sadece metin olarak gösterilecek.",
+                    "error_type": "quota_exceeded"
+                })
+        else:
+            if session.is_websocket_active:
+                await websocket.send_json({
+                    "type": "error",
+                    "message": f"TTS error: {error_msg}"
+                })
+        
+        # TTS hatası durumunda idle'a dön
+        await session.change_state(ConversationState.IDLE)
         if session.is_websocket_active:
             await websocket.send_json({
-                "type": "error",
-                "message": f"TTS error: {str(e)}"
+                "type": "state_change", 
+                "from": "processing_tts",
+                "to": "idle"
             })