{
      "name": "settlement-discipline-buyin",
      "domain": "Settlement Discipline",
      "title": "Mandatory Buy-In Exposure",
      "description": "CSDR penalty accrual (ART-78) -> last-resort mandatory buy-in exposure/cost modeling under reformed CSDR Refit rules (ART-83) -> audit receipt (cry-05). Models the tail cost of persistent fails.",
      "composer_url": "https://ainumbers.co/chaingraph/chains/settlement-discipline-buyin.html",
      "steps": [
        {
          "tool_id": "art-78-csdr-penalty-calculator",
          "handoff": "accrued penalty to trigger (H1) feeds the buy-in modeler"
        },
        {
          "tool_id": "art-83-buy-in-exposure-modeler",
          "handoff": "buy-in exposure (H2) feeds the aggregator"
        },
        {
          "tool_id": "cry-05-agent-action-audit-trail-aggregator",
          "handoff": "Exports composite buy-in artifact with execution_hash (H3) -- final stage"
        }
      ]
    }