[
  {
    "id": "run-payment-001",
    "tool": "charge_card",
    "error_code": "PAYMENT_DECLINED",
    "retryable": false,
    "attempts": 4,
    "outcome": "failure",
    "evidence": "The same declined payment was submitted four times."
  },
  {
    "id": "run-payment-002",
    "tool": "charge_card",
    "error_code": "PAYMENT_DECLINED",
    "retryable": false,
    "attempts": 3,
    "outcome": "failure",
    "evidence": "A second task repeated the identical non-retryable call three times."
  },
  {
    "id": "run-timeout-001",
    "tool": "inventory_lookup",
    "error_code": "TEMPORARY_TIMEOUT",
    "retryable": true,
    "attempts": 2,
    "outcome": "success",
    "evidence": "A temporary timeout succeeded on the second retry."
  }
]