{
      "name": "a2a-payment-rail-compliance",
      "domain": "Cross-Border & Instant Payments",
      "title": "A2A Payment Rail Compliance",
      "description": "A2A fee route optimisation > A2A reconciliation workbench > A2A compliance checklist > A2A rail command centre: composite A2A payment rail compliance mandate.",
      "composer_url": "https://ainumbers.co/chaingraph/chains/a2a-payment-rail-compliance.html",
      "steps": [
        {
          "tool_id": "01-a2a-fee-route-optimizer",
          "handoff": "fee_route_options and optimal_routing feed Stage 2 A2A reconciliation workbench"
        },
        {
          "tool_id": "09-a2a-reconciliation-workbench",
          "handoff": "reconciliation_gaps and settlement_exceptions feed Stage 3 A2A compliance checklist"
        },
        {
          "tool_id": "18-a2a-compliance-checklist",
          "handoff": "compliance_requirements and gap_assessment feed Stage 4 A2A rail command centre"
        },
        {
          "tool_id": "82-a2a-rail-command-center",
          "handoff": "rail_operations_status and composite_a2a_mandate — final A2A payment rail mandate"
        }
      ]
    }