{
  "schema": "LOC012_LAB_CASES_v1",
  "cases": [
    {
      "id": "offline_local_commit",
      "local_commit": true,
      "spool_state": "PENDING",
      "network_online": false,
      "retry_due": false,
      "remote_ack": false,
      "checkpoint_blocked": false,
      "sqlite_busy": false,
      "retention_elapsed": false,
      "duplicate_ack": false,
      "edge_device": false
    },
    {
      "id": "crash_reopen_pending",
      "local_commit": true,
      "spool_state": "PENDING",
      "network_online": true,
      "retry_due": true,
      "remote_ack": false,
      "checkpoint_blocked": false,
      "sqlite_busy": false,
      "retention_elapsed": false,
      "duplicate_ack": false,
      "edge_device": false,
      "crash_recovered": true
    },
    {
      "id": "lost_response_after_accept",
      "local_commit": true,
      "spool_state": "SENT",
      "network_online": true,
      "retry_due": true,
      "remote_ack": false,
      "checkpoint_blocked": false,
      "sqlite_busy": false,
      "retention_elapsed": false,
      "duplicate_ack": false,
      "edge_device": false,
      "remote_may_have_accepted": true
    },
    {
      "id": "duplicate_ack_reconcile",
      "local_commit": true,
      "spool_state": "SENT",
      "network_online": true,
      "retry_due": true,
      "remote_ack": true,
      "checkpoint_blocked": false,
      "sqlite_busy": false,
      "retention_elapsed": false,
      "duplicate_ack": true,
      "edge_device": false
    },
    {
      "id": "acked_retention_elapsed",
      "local_commit": true,
      "spool_state": "ACKED",
      "network_online": true,
      "retry_due": false,
      "remote_ack": true,
      "checkpoint_blocked": false,
      "sqlite_busy": false,
      "retention_elapsed": true,
      "duplicate_ack": false,
      "edge_device": false
    },
    {
      "id": "checkpoint_blocked_reader",
      "local_commit": true,
      "spool_state": "PENDING",
      "network_online": true,
      "retry_due": true,
      "remote_ack": false,
      "checkpoint_blocked": true,
      "sqlite_busy": false,
      "retention_elapsed": false,
      "duplicate_ack": false,
      "edge_device": false,
      "wal_pressure": "HIGH"
    },
    {
      "id": "sqlite_busy_before_commit",
      "local_commit": false,
      "spool_state": "UNCOMMITTED",
      "network_online": false,
      "retry_due": true,
      "remote_ack": false,
      "checkpoint_blocked": false,
      "sqlite_busy": true,
      "retention_elapsed": false,
      "duplicate_ack": false,
      "edge_device": false
    },
    {
      "id": "edge_device_transfer",
      "local_commit": true,
      "spool_state": "PENDING",
      "network_online": true,
      "retry_due": true,
      "remote_ack": false,
      "checkpoint_blocked": false,
      "sqlite_busy": false,
      "retention_elapsed": false,
      "duplicate_ack": false,
      "edge_device": true,
      "observed_io_latency_ms": 46,
      "offline_hours": 18
    }
  ]
}