{
  "base": {
    "final": {
      "elapsed": 123.7,
      "messages": [
        "FOLLOW-UP SENT",
        "GOT: INTERIM",
        "GOT: FINAL CHECK-OK"
      ],
      "tasks": [
        {
          "status": "completed",
          "prompt": "Reply exactly READY and end your turn. Do not perform other work.",
          "result": "READY",
          "startedAt": "2026-11-13T22:38:30.489Z",
          "completedAt": "2026-11-13T22:38:36.598Z",
          "subagentId": "node:delegated-task:command%3Amcp%3Ab800fd9a-06b3-4b9b-96cc-e90d4414b480%3Adelegate-task%3Aa06e81c2-c2c3-48e4-a08b-2a5445013415"
        },
        {
          "status": "completed",
          "prompt": "Start the shell command `sleep 90; echo CHECK-OK` using your Bash tool with run_in_background=true. Call t3_background_wait for that background task. Then reply exactly INTERIM and end your turn while it is pending. When woken by completion, reply exactly FINAL CHECK-OK and end your turn. Do not wait synchronously, do not use TaskOutput, do not start another agent.",
          "result": "INTERIM",
          "startedAt": "2026-11-13T22:38:40.704Z",
          "completedAt": "2026-11-13T22:38:51.798Z",
          "subagentId": "node:delegated-task:command%3Amcp%3Ab800fd9a-06b3-4b9b-96cc-e90d4414b480%3Athread-send%3A76cc5e2f-3ed1-4f3a-b5d9-e4c2c046f56c"
        },
        {
          "status": "completed",
          "prompt": "Background command \"Sleep 90 seconds then echo CHECK-OK\" completed (exit code 0)",
          "result": "FINAL CHECK-OK",
          "startedAt": "2026-11-13T22:40:14.115Z",
          "completedAt": "2026-11-13T22:40:19.247Z",
          "subagentId": "node:delegated-task:provider-continuation%3Amessage%3Athread%3Athread%253Adelegated-task%253Acommand%25253Amcp%25253Ab800fd9a-06b3-4b9b-96cc-e90d4414b480%25253Adelegate-task%25253Aa06e81c2-c2c3-48e4-a08b-2a5445013415%3Aordinal%3A1%3Af1b5889c-2cac-4a8a-8817-10fb7870995d"
        }
      ],
      "pendingBackgroundTasks": [
        [],
        [],
        [],
        []
      ]
    },
    "prematureDelivery": {
      "elapsed": 37.3,
      "messages": [
        "FOLLOW-UP SENT",
        "GOT: INTERIM"
      ],
      "tasks": [
        {
          "status": "completed",
          "prompt": "Reply exactly READY and end your turn. Do not perform other work.",
          "result": "READY",
          "startedAt": "2026-11-13T22:38:30.489Z",
          "completedAt": "2026-11-13T22:38:36.598Z",
          "subagentId": "node:delegated-task:command%3Amcp%3Ab800fd9a-06b3-4b9b-96cc-e90d4414b480%3Adelegate-task%3Aa06e81c2-c2c3-48e4-a08b-2a5445013415"
        },
        {
          "status": "completed",
          "prompt": "Start the shell command `sleep 90; echo CHECK-OK` using your Bash tool with run_in_background=true. Call t3_background_wait for that background task. Then reply exactly INTERIM and end your turn while it is pending. When woken by completion, reply exactly FINAL CHECK-OK and end your turn. Do not wait synchronously, do not use TaskOutput, do not start another agent.",
          "result": "INTERIM",
          "startedAt": "2026-11-13T22:38:40.704Z",
          "completedAt": "2026-11-13T22:38:51.798Z",
          "subagentId": "node:delegated-task:command%3Amcp%3Ab800fd9a-06b3-4b9b-96cc-e90d4414b480%3Athread-send%3A76cc5e2f-3ed1-4f3a-b5d9-e4c2c046f56c"
        }
      ],
      "pendingBackgroundTasks": [
        [],
        [],
        [],
        [
          {
            "command": "sleep 90; echo CHECK-OK",
            "itemId": "turn-item:provider:claudeAgent:native-item:toolu_013sqarqqk9qELraR6NcUPNX",
            "sourceThreadId": "thread:delegated-task:command%3Amcp%3Ab800fd9a-06b3-4b9b-96cc-e90d4414b480%3Adelegate-task%3Aa06e81c2-c2c3-48e4-a08b-2a5445013415",
            "taskId": "by08sse3y",
            "description": "Sleep 90 seconds then echo CHECK-OK",
            "nativeItemId": "toolu_013sqarqqk9qELraR6NcUPNX",
            "awaited": true,
            "kind": "command"
          }
        ]
      ]
    }
  },
  "head": {
    "whileChildInterim": {
      "elapsed": 20.0,
      "messages": [
        "FOLLOW-UP SENT"
      ],
      "childMessages": [
        "READY",
        "The background task is started. I need to load `t3_background_wait` before I can call it.",
        "INTERIM"
      ],
      "tasks": [
        {
          "status": "completed",
          "prompt": "Reply exactly READY and end your turn. Do not perform other work.",
          "result": "READY",
          "startedAt": "2026-11-13T22:41:26.798Z",
          "completedAt": "2026-11-13T22:41:30.431Z",
          "subagentId": "node:delegated-task:command%3Amcp%3A93e67869-600e-48d9-a5cb-e951b2d6075c%3Adelegate-task%3Aae1b8033-c114-41b1-9a73-557605b31ffe"
        },
        {
          "status": "running",
          "prompt": "Start the shell command `sleep 90; echo CHECK-OK` using your Bash tool with run_in_background=true. Call t3_background_wait for that background task. Then reply exactly INTERIM and end your turn while it is pending. When woken by completion, reply exactly FINAL CHECK-OK and end your turn. Do not wait synchronously, do not use TaskOutput, do not start another agent.",
          "result": null,
          "startedAt": "2026-11-13T22:41:33.832Z",
          "completedAt": null,
          "subagentId": "node:delegated-task:command%3Amcp%3A93e67869-600e-48d9-a5cb-e951b2d6075c%3Athread-send%3A8546a266-edff-47da-ad05-0d670c34ad0f"
        }
      ],
      "pendingBackgroundTasks": [
        [],
        [
          {
            "command": "sleep 90; echo CHECK-OK",
            "itemId": "turn-item:provider:claudeAgent:native-item:toolu_01KC5RctdhnSSwKJsNcTEQ3n",
            "sourceThreadId": "thread:delegated-task:command%3Amcp%3A93e67869-600e-48d9-a5cb-e951b2d6075c%3Adelegate-task%3Aae1b8033-c114-41b1-9a73-557605b31ffe",
            "taskId": "bons92gsq",
            "description": "Sleep 90 seconds then print CHECK-OK",
            "nativeItemId": "toolu_01KC5RctdhnSSwKJsNcTEQ3n",
            "awaited": true,
            "kind": "command"
          }
        ]
      ]
    },
    "final": {
      "elapsed": 111.6,
      "messages": [
        "FOLLOW-UP SENT",
        "GOT: FINAL CHECK-OK"
      ],
      "childMessages": [
        "READY",
        "The background task is started. I need to load `t3_background_wait` before I can call it.",
        "INTERIM",
        "FINAL CHECK-OK"
      ],
      "tasks": [
        {
          "status": "completed",
          "prompt": "Reply exactly READY and end your turn. Do not perform other work.",
          "result": "READY",
          "startedAt": "2026-11-13T22:41:26.798Z",
          "completedAt": "2026-11-13T22:41:30.431Z",
          "subagentId": "node:delegated-task:command%3Amcp%3A93e67869-600e-48d9-a5cb-e951b2d6075c%3Adelegate-task%3Aae1b8033-c114-41b1-9a73-557605b31ffe"
        },
        {
          "status": "completed",
          "prompt": "Start the shell command `sleep 90; echo CHECK-OK` using your Bash tool with run_in_background=true. Call t3_background_wait for that background task. Then reply exactly INTERIM and end your turn while it is pending. When woken by completion, reply exactly FINAL CHECK-OK and end your turn. Do not wait synchronously, do not use TaskOutput, do not start another agent.",
          "result": "FINAL CHECK-OK",
          "startedAt": "2026-11-13T22:41:33.832Z",
          "completedAt": "2026-11-13T22:43:11.337Z",
          "subagentId": "node:delegated-task:command%3Amcp%3A93e67869-600e-48d9-a5cb-e951b2d6075c%3Athread-send%3A8546a266-edff-47da-ad05-0d670c34ad0f"
        }
      ],
      "pendingBackgroundTasks": [
        [],
        []
      ]
    }
  },
  "checks": {
    "baseParentResultReplies": [
      "GOT: INTERIM",
      "GOT: FINAL CHECK-OK"
    ],
    "headParentResultReplies": [
      "GOT: FINAL CHECK-OK"
    ],
    "headNeverDeliveredInterim": true
  }
}