{
      "name": "treasury-clearing-collateral",
      "domain": "Treasury Clearing",
      "title": "Cleared Repo Collateral & Substitution",
      "description": "W-D. HQLA eligibility for UST collateral (505) -> collateral-swap/substitution direction (515) -> 2a-7 MMF cash-investor validation (514). Collateral side of cleared repo.",
      "composer_url": "https://ainumbers.co/chaingraph/chains/treasury-clearing-collateral.html",
      "steps": [
        {
          "tool_id": "505-tokenized-collateral-eligibility-checker",
          "handoff": "hqla_tier + haircut feed the swap validator"
        },
        {
          "tool_id": "515-collateral-swap-eligibility-validator",
          "handoff": "swap_direction verdict feeds the fund-collateral validator"
        },
        {
          "tool_id": "514-tokenized-fund-collateral-validator",
          "handoff": "Exports composite collateral artifact -- final stage"
        }
      ]
    }