执行器

{
  "program_id": "program-001",
  "simulation_id": "simulation-001",
  "simulation_status": "passed",
  "steps": [
    {
      "step_id": "step-1",
      "device_id": "device-01",
      "object": {
        "containers": [
          {
            "container_id": "source-01",
            "role": "source",
            "expected_revision": "source-8"
          },
          {
            "container_id": "container-01",
            "role": "target",
            "expected_revision": "object-21",
            "before_state": {
              "container_status": "无盖"
            }
          }
        ]
      },
      "operation": {
        "operation_id": "add_liquid",
        "contract_version": "1",
        "parameters": {
          "source_container_id": "source-01",
          "volume_mL": 0.5
        }
      },
      "system": {
        "expected_definition_revision": "12",
        "expected_system_revision": "system-21",
        "expected_device_state": "idle",
        "execution_mode": "async",
        "idempotency_key": "execution-001:step-1"
      }
    }
  ]
}

{
  "execution_id": "execution-001",
  "program_id": "program-001",
  "steps": [
    {
      "step_id": "step-1",
      "object": {
        "changes": [
          {
            "container_id": "source-01",
            "after_state": {
              "sample_volume_mL": null
            },
            "revision": "source-9",
            "state_quality": {"sample_volume_mL": {"quality": "unknown", "reason": "动作后缺少体积观测", "observed_at": null}}
          },
          {
            "container_id": "container-01",
            "after_state": {
              "sample_volume_mL": null
            },
            "revision": "object-22",
            "state_quality": {"sample_volume_mL": {"quality": "unknown", "reason": "动作后缺少体积观测", "observed_at": null}}
          }
        ]
      },
      "operation": {
        "operation_id": "add_liquid",
        "status": "unknown",
        "diagnostics": [
          {
            "code": "completion_evidence_missing",
            "dimension": "operation",
            "message": "设备已停止，但实际加液量尚不可确认",
            "retryable": false
          }
        ],
        "actual_parameters": {},
        "completion_evidence": []
      },
      "system": {
        "device_state": "idle",
        "system_revision": "system-23",
        "observed_at": "2026-09-21T02:00:20Z",
        "task": {
          "task_id": "task-001",
          "status": "unknown",
          "phase": "reconciliation"
        },
        "notices": [
          "设备已确认停止，容器体积已失效，相关资源保持占用"
        ]
      }
    }
  ]
}