Manage A2A for a realm

{
  "ok": true,
  "realm_id": "5b0c3a7e-2f4d-4b8e-9a51-7c1d2e3f4a5b",
  "org_id": "2c3d4e5f-6a7b-4c8d-9e0f-1a2b3c4d5e6f",
  "a2a_enabled": true,
  "has_bearer": true,
  "bearer_prefix": "cliq_a2a_4f9",
  "mesh_provider_mode": "inherit",
  "active_provider_id": null,
  "effective_provider_id": null,
  "providers": {},
  "mesh_status": null,
  "card_url": "https://api.cliqhub.io/a2a/o/acme/r/production/.well-known/agent-card.json",
  "send_url": "https://api.cliqhub.io/a2a/o/acme/r/production/send",
  "created_at": 1759000000000,
  "updated_at": 1759100000000
}

{
  "ok": false,
  "error": "No settings fields to update",
  "code": "bad_request"
}

{
  "ok": false,
  "error": {
    "code": "unauthorized",
    "message": "Authentication required"
  }
}

{
  "ok": false,
  "error": {
    "code": "forbidden",
    "message": "You do not have access to do this"
  }
}

{
  "ok": false,
  "error": {
    "code": "not_found",
    "message": "Not found"
  }
}

{
  "ok": false,
  "error": "Required",
  "code": "invalid_params",
  "details": {
    "issues": [
      {
        "field": "realm_id",
        "message": "Required"
      }
    ]
  }
}

{
  "ok": false,
  "error": "Internal server error",
  "code": "internal_error"
}