{
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    "generated_at": "2026-11-07T07:35:59.270Z",
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      "algorithm": "oracle-chain/sha256",
      "note": "The run's oracle stream — every model response and tool output, hash-chained. Re-execute the agent against `events` with @runback/replay and the cassette digest must reproduce. This is proof the recording IS the deterministic input stream of the run — an audit you can re-run, not just read."
    },
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    "signature": {
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    },
    "verify": "Recompute the event chain h_i = SHA-256(h_{i-1} + canonical(event_i)) over `events` → must equal content_digest. Recompute the oracle-stream digest from `events` → must equal replay.cassette_digest. The signature covers `${content_digest}:${cassette_digest}`. Ed25519: verify with the public key embedded in manifest.signature.pubkey (no server key needed — fully offline-verifiable). HMAC-SHA256 (legacy): requires AUDIT_SIGNING_KEY. POST this record to /api/audit/verify.",
    "spec_url": "https://runback.dev/spec",
    "verifier_url": "https://runback.dev/verify"
  },
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    "status": "error",
    "input": "Invoice INV-44897 for customer #1134 is 28 days overdue. Collect it.",
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    },
    "error": {
      "name": "ApprovalRequired",
      "message": "charge_card is waiting for a person to approve it; the sandbox agent stopped here."
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      },
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    "ended_at": "2026-10-26T10:11:07.128+00:00",
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              },
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            },
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              },
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          },
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              },
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