Upload app.py

src/apps/app.py

@@ -483,10 +483,15 @@ async def stream_text_conversational(websocket: WebSocket, query: str, role: str
         if len(chat_history)>chat_limit:
             chat_history.pop(0)
     except Exception as e:
-        error_message = f"Error: {str(e)}"
-        print(f"Chatbot error: {error_message}")
-        await websocket.send_text(f"\n\n⚠️ {error_message}\n\nPlease check your API key configuration.")
-        raise
+        error_str = str(e)
+        print(f"Chatbot error: {error_str}")
+        # Show a professional message — never dump raw API errors to users
+        if "404" in error_str or "No endpoints" in error_str:
+            user_msg = "\n\n⚠️ **Service Temporarily Unavailable**\nThe AI provider is currently unavailable. Please send your message again — the system will automatically switch to an alternative model.\n\nIf the issue persists, please try again in a moment."
+        else:
+            user_msg = f"\n\n⚠️ **An error occurred.** Please try sending your message again.\n\n_If the issue persists, please contact support._"
+        await websocket.send_text(user_msg)
+        await websocket.send_text("[DONE]")
   
 @app.websocket("/conversational_chat")
 async def conversational_chat(websocket: WebSocket, role: Optional[str] = None):
@@ -563,10 +568,12 @@ async def conversational_chat(websocket: WebSocket, role: Optional[str] = None):
         except Exception as e:
             print(f"WebSocket error: {e}")
             try:
-                await websocket.send_text(f"\n\n❌ Connection error: {str(e)}\n\nPlease try again or contact support.")
+                await websocket.send_text(
+                    "\n\n⚠️ **Connection interrupted.** Please try sending your message again."
+                )
+                await websocket.send_text("[DONE]")
             except:
-                pass
-            break
+                break
 
 
 # Run the application