{
  "trajectory_id": "traj-1ea60d6e-0b83-4cdf-a601-159373c780ee",
  "task": {
    "task_id": "task-c5221ec3-e5b9-4a2f-9774-fbb75018fe08",
    "input": "Check current system status with a tool.",
    "channel": "local",
    "created_at": "2026-04-14T16:50:18.862393+00:00",
    "user_id": null
  },
  "context_snapshot": {
    "conversation_summary": "",
    "environment_summary": "",
    "recent_failures": []
  },
  "candidate_sets": {
    "memory": [
      {
        "id": "mem-telegram-pref",
        "type": "memory",
        "title": "Telegram preference",
        "summary": "Prefer plain text on Telegram.",
        "triggers": [
          "telegram",
          "preference",
          "answer"
        ],
        "cost": 0.0,
        "confidence": 0.95,
        "success_rate": 0.9,
        "freshness": 0.9,
        "risk": 0.0,
        "tags": [
          "output"
        ],
        "source": "user",
        "type_payload": {}
      }
    ],
    "skill": [
      {
        "id": "skill-deploy",
        "type": "skill",
        "title": "Deploy workflow",
        "summary": "Reusable deployment workflow.",
        "triggers": [
          "deploy",
          "workflow",
          "service"
        ],
        "cost": 0.0,
        "confidence": 0.8,
        "success_rate": 0.9,
        "freshness": 0.8,
        "risk": 0.0,
        "tags": [
          "ops"
        ],
        "source": "system",
        "type_payload": {}
      }
    ],
    "tool": [
      {
        "id": "tool-terminal",
        "type": "tool",
        "title": "terminal",
        "summary": "Run terminal-style inspection commands.",
        "triggers": [
          "check",
          "current",
          "status",
          "system"
        ],
        "cost": 0.0,
        "confidence": 0.95,
        "success_rate": 0.9,
        "freshness": 1.0,
        "risk": 0.0,
        "tags": [
          "inspection"
        ],
        "source": "system",
        "type_payload": {}
      }
    ]
  },
  "decisions": [
    {
      "step": 1,
      "decision_type": "call_tool",
      "selected_ids": [
        "tool-terminal"
      ],
      "selected_payloads": [
        {}
      ],
      "rejected_ids": [],
      "rationale": "Task asks for current state or external action; tool use is justified.",
      "estimated_cost": 0.0
    }
  ],
  "events": [
    {
      "event_id": "evt-93525bc5-5e71-481c-a7d4-0282ef59e0a3",
      "trajectory_id": "traj-1ea60d6e-0b83-4cdf-a601-159373c780ee",
      "timestamp": "2026-04-14T16:50:18.862483+00:00",
      "stage": "retrieval",
      "event_type": "task_received",
      "payload": {
        "input": "Check current system status with a tool."
      },
      "metrics": {},
      "parent_event_id": null
    },
    {
      "event_id": "evt-a01d1dff-a6dc-4c25-a5a5-14efd6f182b2",
      "trajectory_id": "traj-1ea60d6e-0b83-4cdf-a601-159373c780ee",
      "timestamp": "2026-04-14T16:50:18.862492+00:00",
      "stage": "retrieval",
      "event_type": "candidates_recalled",
      "payload": {
        "memory_ids": [
          "mem-telegram-pref"
        ],
        "skill_ids": [
          "skill-deploy"
        ],
        "tool_ids": [
          "tool-terminal"
        ]
      },
      "metrics": {},
      "parent_event_id": "evt-93525bc5-5e71-481c-a7d4-0282ef59e0a3"
    },
    {
      "event_id": "evt-28946864-c699-42fd-9802-dbfe6cb09043",
      "trajectory_id": "traj-1ea60d6e-0b83-4cdf-a601-159373c780ee",
      "timestamp": "2026-04-14T16:50:18.862498+00:00",
      "stage": "policy",
      "event_type": "action_selected",
      "payload": {
        "step": 1,
        "decision_type": "call_tool",
        "selected_ids": [
          "tool-terminal"
        ],
        "selected_payloads": [
          {}
        ],
        "rejected_ids": [],
        "rationale": "Task asks for current state or external action; tool use is justified.",
        "estimated_cost": 0.0
      },
      "metrics": {},
      "parent_event_id": "evt-a01d1dff-a6dc-4c25-a5a5-14efd6f182b2"
    },
    {
      "event_id": "evt-tool-traj-1ea60d6e-0b83-4cdf-a601-159373c780ee-tool-terminal",
      "trajectory_id": "traj-1ea60d6e-0b83-4cdf-a601-159373c780ee",
      "timestamp": "2026-04-14T16:50:18.862511+00:00",
      "stage": "execution",
      "event_type": "tool_called",
      "payload": {
        "tool_id": "tool-terminal",
        "input": "Check current system status with a tool."
      },
      "metrics": {},
      "parent_event_id": null
    },
    {
      "event_id": "evt-tool-result-traj-1ea60d6e-0b83-4cdf-a601-159373c780ee-tool-terminal",
      "trajectory_id": "traj-1ea60d6e-0b83-4cdf-a601-159373c780ee",
      "timestamp": "2026-04-14T16:50:18.862515+00:00",
      "stage": "execution",
      "event_type": "tool_result",
      "payload": {
        "tool_id": "tool-terminal",
        "status": "success",
        "output": "demo-result-for:tool-terminal",
        "error": null,
        "latency_ms": 42
      },
      "metrics": {},
      "parent_event_id": null
    }
  ],
  "outcome": {
    "status": "success",
    "steps": 1,
    "latency_ms": 42,
    "user_corrections": 0,
    "tool_errors": 0,
    "notes": "Draft trajectory generated by MemabraRunner with execution hooks."
  },
  "reward": {
    "total": 1.032,
    "components": {
      "task_success": 0.8,
      "retrieval_hit": 0.25,
      "tool_error": 0.0,
      "user_correction": 0.0,
      "latency": 0.008,
      "context_cost": 0.06,
      "useful_reuse": 0.05
    }
  }
}