Add user auth token in websocket client

Author: tpoliaw

src/blueapi/client/rest.py

@@ -312,13 +312,11 @@ def _request_and_deserialize(
 
     def run_blocking(self, req: TaskRequest):
         url = self._ws_address().unicode_string().removesuffix("/") + "/run_plan"
-        with connect(
-            url,
-            additional_headers={
-                "Cookie": "Authorization=Bearer cook",
-                "Authorization": "Bearer head",
-            },
-        ) as ws:
+        headers = {}
+        if self._session_manager:
+            auth = self._session_manager.get_valid_access_token()
+            headers["Authorization"] = f"Bearer {auth}"
+        with connect(url, additional_headers=headers) as ws:
             ws.send(req.model_dump_json())
             for message in ws:
                 event = TypeAdapter(AnyEvent).validate_json(message)