Fix: verify_ws_origin async + await callers

- auth.py: verify_ws_origin is now async def
- kommunikation/routes.py: await verify_ws_origin
- ai_ui_control/routes.py: await verify_ws_origin

app/core/auth.py

@@ -91,7 +91,7 @@ def hash_token(token: str) -> str:
     return hashlib.sha256(token.encode()).hexdigest()
 
 
-def verify_ws_origin(websocket) -> bool:
+async def verify_ws_origin(websocket) -> bool:
     """Verify that the WebSocket upgrade request comes from an allowed origin.
 
     Checks the Origin header against the configured CORS origins.