{
      "name": "pqc-swift-iso20022",
      "domain": "Post-Quantum Cryptography",
      "title": "SWIFT / ISO 20022 PQC Readiness",
      "description": "HNDL quantum-risk prioritisation (500) -> SWIFT/ISO 20022 PQC readiness + BAH signature-bloat sizing per BIS Leap Phase 2 (ART-87) -> Merkle integrity (cry-04). Sizes the ~12.9x payload growth against message limits.",
      "composer_url": "https://ainumbers.co/chaingraph/chains/pqc-swift-iso20022.html",
      "steps": [
        {
          "tool_id": "500-hndl-quantum-risk-scorer",
          "handoff": "HNDL priority per flow (H1) feeds the readiness checker"
        },
        {
          "tool_id": "art-87-iso20022-pqc-readiness-checker",
          "handoff": "readiness + size-breach flags (H2) feed the verifier"
        },
        {
          "tool_id": "cry-04-merkle-batch-verifier",
          "handoff": "Exports composite ISO 20022 readiness artifact with Merkle-root execution_hash (H3) -- final stage"
        }
      ]
    }