{
  "id": "server.restarting",
  "category": "server_lifecycle",
  "summary": "The bot client is closing for a server restart.",
  "match_any": [
    {
      "error_code": 500,
      "description_exact": "Internal Server Error: restart"
    }
  ],
  "scope": {
    "method_examples": [],
    "exhaustive": false
  },
  "possible_causes": [
    "The bot client is closing without taking the logout branches."
  ],
  "diagnostic_limits": "An exception wrapper that discarded the original 5xx description cannot recover this distinction from the status alone.",
  "evidence": [
    {
      "source": "server-10.3",
      "path": "telegram-bot-api/Client.cpp",
      "lines": [
        17560,
        17564
      ],
      "note": "The closing error is passed directly to fail_query by fail_query_closing."
    }
  ],
  "example": {
    "method": "getMe",
    "response": {
      "ok": false,
      "error_code": 500,
      "description": "Internal Server Error: restart"
    }
  },
  "evidence_level": "source_derived",
  "guidance": {
    "action": "backoff_and_reassess_operation",
    "repeat_request": "policy_dependent",
    "preconditions": [
      "Apply bounded backoff and evaluate whether repeating the particular operation is safe; do not derive replay safety from a 5xx status alone."
    ]
  }
}