{
  "chain_id": "intraday-finality-attestation",
  "fixture_type": "golden_end_to_end",
  "spec_version": "0.8.7",
  "description": "Golden fixture: input bundle -> expected chain-definition execution_hash. Reuses shipped per-kernel fixtures for step inputs; this file fixtures the chain composition, not the kernels.",
  "input_bundle": {
    "template_id": "SYNTHETIC-TEMPLATE-001",
    "template_version": "1.0",
    "expected_composite_result": "PASS"
  },
  "policy_parameters": {
    "execution_backend": "browser",
    "chain_id": "intraday-finality-attestation",
    "step_count": 5,
    "step_tool_ids": [
      "art-59-settlement-asset-finality-classifier",
      "art-290-check-linea-l2-finality-window",
      "506-onchain-cash-leg-finality-checker",
      "art-292-attest-settlement-orchestrator",
      "art-121-document-integrity-anchor"
    ],
    "gates": []
  },
  "output_payload": {
    "chain_title": "Intraday Finality Attestation Receipt",
    "chain_description": "Five-step shared-ledger intraday finality receipt: settlement-asset finality-regime classification, Linea L2 finality-window classification, on-chain cash-leg finality check, settlement-orchestrator ship-readiness attestation, and a document-integrity anchor over the composite digest.",
    "spec_version": "0.8.7",
    "steps": [
      {
        "tool_id": "art-59-settlement-asset-finality-classifier",
        "handoff": "finality_tier and singleness_verdict feed Stage 2",
        "gate": null
      },
      {
        "tool_id": "art-290-check-linea-l2-finality-window",
        "handoff": "finality_tier and safe_to_release feed Stage 3",
        "gate": null
      },
      {
        "tool_id": "506-onchain-cash-leg-finality-checker",
        "handoff": "cash-leg verdict feeds Stage 4",
        "gate": null
      },
      {
        "tool_id": "art-292-attest-settlement-orchestrator",
        "handoff": "composite ship-readiness grade completes the intraday finality attestation; feeds the optional anchor",
        "gate": null
      },
      {
        "tool_id": "art-121-document-integrity-anchor",
        "handoff": "Anchors the composite receipt digest as an eIDAS Art.41-aligned electronic timestamp -- final stage, optional",
        "gate": null
      }
    ]
  },
  "expected_execution_hash": "7c869865e29f9f2c1d40a2f15c1d314f1fc0bda870dc95a25de183ae0e1f0f49"
}