[
  {
    "item_no": "QI-001",
    "client_no": "PH-001",
    "kind_raw": "dur_check",
    "payload_key": "RX-20260822-0011",
    "client_seq": 1,
    "queued_at": "2026-08-22T09:10:00",
    "attempt_count": 0,
    "last_result_raw": null
  },
  {
    "item_no": "QI-002",
    "client_no": "PH-001",
    "kind_raw": "dur_check",
    "payload_key": "RX-20260822-0012",
    "client_seq": 2,
    "queued_at": "2026-08-22T09:11:00",
    "attempt_count": 1,
    "last_result_raw": "TIMEOUT"
  },
  {
    "item_no": "QI-003",
    "client_no": "PH-001",
    "kind_raw": "DUR CHECK",
    "payload_key": "RX-20260822-0013",
    "client_seq": 3,
    "queued_at": "2026-08-22T09:12:00",
    "attempt_count": 0,
    "last_result_raw": null
  },
  {
    "item_no": "QI-004",
    "client_no": "PH-002",
    "kind_raw": "dur_check",
    "payload_key": "RX-20260822-0104",
    "client_seq": 1,
    "queued_at": "2026-08-22T06:40:00",
    "attempt_count": 2,
    "last_result_raw": "TIMEOUT"
  },
  {
    "item_no": "QI-005",
    "client_no": "PH-002",
    "kind_raw": "dispense_log",
    "payload_key": "DP-20260822-0104",
    "client_seq": 2,
    "queued_at": "2026-08-22T06:41:00",
    "attempt_count": 0,
    "last_result_raw": null
  },
  {
    "item_no": "QI-006",
    "client_no": "PH-002",
    "kind_raw": "dispense_log",
    "payload_key": "DP-20260822-0104",
    "client_seq": 3,
    "queued_at": "2026-08-22T06:41:00",
    "attempt_count": 0,
    "last_result_raw": null
  },
  {
    "item_no": "QI-007",
    "client_no": "PH-003",
    "kind_raw": "dur_check",
    "payload_key": "RX-20260822-0301",
    "client_seq": 1,
    "queued_at": "2026-08-22T09:20:00",
    "attempt_count": 5,
    "last_result_raw": "ERROR"
  },
  {
    "item_no": "QI-008",
    "client_no": "PH-003",
    "kind_raw": "dur_check",
    "payload_key": "RX-20260822-0302",
    "client_seq": 2,
    "queued_at": "2026-08-22T09:21:00",
    "attempt_count": 0,
    "last_result_raw": null
  },
  {
    "item_no": "QI-009",
    "client_no": "PH-004",
    "kind_raw": "device_ping",
    "payload_key": "DV-20260822-0007",
    "client_seq": null,
    "queued_at": "2026-08-22T09:25:00",
    "attempt_count": null,
    "last_result_raw": null
  },
  {
    "item_no": "QI-010",
    "client_no": "PH-004",
    "kind_raw": "stock_sync",
    "payload_key": "ST-20260822-0007",
    "client_seq": 1,
    "queued_at": "2026-08-22T09:26:00",
    "attempt_count": 0,
    "last_result_raw": null
  },
  {
    "item_no": "QI-011",
    "client_no": "PH-005",
    "kind_raw": "receipt_print",
    "payload_key": "PR-20260822-0055",
    "client_seq": 1,
    "queued_at": "2026-08-22T09:30:00",
    "attempt_count": 0,
    "last_result_raw": null
  },
  {
    "item_no": "QI-012",
    "client_no": "PH-001",
    "kind_raw": "dur_check",
    "payload_key": "RX-20260822-0011",
    "client_seq": 4,
    "queued_at": "2026-08-22T09:35:00",
    "attempt_count": 0,
    "last_result_raw": null
  }
]