{
      "name": "swift-ledger-transfer-readiness",
      "domain": "Digital-Asset Rails",
      "title": "Shared-Ledger Transfer Readiness Receipt",
      "description": "Gated four-step preflight for a shared-ledger tokenized-deposit transfer: ISO 20022-to-EVM calldata mapping, batch sanctions and purpose-code screen, L2 finality window classification, and cash-leg finality check compose into one receipt. An unmapped required field or a screening hit halts the chain before commit.",
      "composer_url": "https://ainumbers.co/chaingraph/chains/swift-ledger-transfer-readiness-composer.html",
      "steps": [
        {
          "tool_id": "art-288-map-iso20022-to-evm-calldata",
          "handoff": "resolved_call and mapping_ok feed Stage 2 batch screening; an incomplete mapping stops the chain",
          "gate": {
            "input": "/mapping_ok",
            "rules": [
              {
                "op": "eq",
                "value": false,
                "next": "end"
              }
            ],
            "default": "art-291-screen-onledger-transfer-batch"
          }
        },
        {
          "tool_id": "art-291-screen-onledger-transfer-batch",
          "handoff": "batch_clean feeds Stage 3 finality classification; a screening hit stops the chain",
          "gate": {
            "input": "/batch_clean",
            "rules": [
              {
                "op": "eq",
                "value": false,
                "next": "end"
              }
            ],
            "default": "art-290-check-linea-l2-finality-window"
          }
        },
        {
          "tool_id": "art-290-check-linea-l2-finality-window",
          "handoff": "finality_tier and safe_to_release feed Stage 4 cash-leg finality check"
        },
        {
          "tool_id": "506-onchain-cash-leg-finality-checker",
          "handoff": "Composes the transfer-readiness receipt -- final stage"
        }
      ]
    }