try 3

app/api/api.py

@@ -56,7 +56,7 @@ api = FastAPI()
 rag = initialize_rag()
 
 origins = [
-    "http://localhost:5173",
+    "*",
 ]
 
 api.add_middleware(
@@ -98,6 +98,9 @@ async def require_user(request: Request, call_next):
         ):
             return await call_next(request)
 
+        if stripped_path == "None":
+            return await last_user_chat(request)
+
         user = get_current_user(request)
         authorized = True
         if user is None: