{
  "command": "router diagnose",
  "context": {
    "command": null,
    "command_host": null,
    "command_runtime": null,
    "controller_endpoint": null,
    "controller_endpoint_kind": null,
    "execution_host": null,
    "execution_runtime": null,
    "gpu_role": null,
    "gpu_uuid": null,
    "overlay": null,
    "resource": null,
    "resource_endpoint": null,
    "resource_endpoint_kind": null,
    "resource_host": null,
    "resource_runtime": null,
    "target": null,
    "topology": null,
    "transport": null
  },
  "data": {
    "current_router": {
      "metadata": {
        "config_sha256": "3f1945d4dec147277d4f9fdc2576ab21d8fc9b1424a8c7620d6c2c64a038759c",
        "package_version": "1.2.1",
        "uptime_seconds": 1171
      },
      "status": "available"
    },
    "limitations": [
      "terminal_records_only",
      "buffer_eviction_and_restart_can_remove_records",
      "current_router_metadata_is_not_request_time_identity",
      "first_content_is_not_universal_ttft",
      "timing_does_not_identify_engine_root_cause"
    ],
    "request": {
      "active": {
        "cache_read_input_tokens": null,
        "context_limit_tokens": null,
        "created_at": null,
        "elapsed_ms": null,
        "estimated_input_tokens": null,
        "input_tokens": null,
        "last_activity_ms": null,
        "output_tokens": null,
        "phase": null,
        "state": null
      },
      "admission_wait_ms": 0,
      "cache_read_input_tokens": null,
      "client_id": "_legacy",
      "delivery_outcome": "error",
      "finish_reason": null,
      "gateway_request_id": "req_8679dddc2bf74ae9a1c2406ab83e71c8",
      "next_checks": [
        "inspect_selected_upstream_logs_using_request_id"
      ],
      "observations": [
        "request_failed"
      ],
      "outcome": "error",
      "output_limit": {
        "applied": 10240,
        "clamped": false,
        "requested": 10240
      },
      "request_id": "req_8679dddc2bf74ae9a1c2406ab83e71c8",
      "request_router": {
        "config_sha256": "3f1945d4dec147277d4f9fdc2576ab21d8fc9b1424a8c7620d6c2c64a038759c",
        "version": "1.2.1"
      },
      "requested_tier": "secondary-node",
      "route": "llm.secondary",
      "served_tier": null,
      "session_id": "01a0d296-4a29-713a-b8b5-c548157300c7",
      "timing": {
        "latency_ms": 57,
        "readiness_check_ms": 29,
        "time_to_first_content_ms": null,
        "upstream_duration_ms": 27
      },
      "upstream_outcome": "failed",
      "usage": {
        "completion_source": "unknown",
        "completion_tokens": 0,
        "prompt_source": "estimated",
        "prompt_tokens": 20051
      }
    },
    "schema": "anvil-router-diagnosis/v1",
    "scope": "current_decision_log_buffer"
  },
  "error": null,
  "ok": true,
  "warnings": []
}