applet_e2ee_join_unauthorized· code· HTTP 403· scope endpoint· applies to service_call, auth_decision, state_resolutionAn Applet, bot actor, or Applet-managed Ghost Actor attempted to join an E2EE Realm / MLS group without the independent E2EE join authorization required by ak.profile.applet_e2ee_join.v1. Ordinary message/write capability grants do not imply MLS join authority. See zh/extensions/applet-integration.md §12.