{
      "name": "treasury-clearing-cross-margin",
      "domain": "Treasury Clearing",
      "title": "FICC-CME Cross-Margining Benefit",
      "description": "W-C. Cross-margining IM-reduction estimate (ART-51, FICC-CME customer expansion Dec 2025) -> combined-netting-set VaR (qfa-02) -> stress test of the offset under 6 historical crises (qfa-03).",
      "composer_url": "https://ainumbers.co/chaingraph/chains/treasury-clearing-cross-margin.html",
      "steps": [
        {
          "tool_id": "art-51-cross-margining-benefit-estimator",
          "handoff": "im_reduction + eligible_offsets feed the VaR engine"
        },
        {
          "tool_id": "qfa-02-portfolio-var-engine",
          "handoff": "combined VaR feeds the stress engine"
        },
        {
          "tool_id": "qfa-03-stress-test-engine",
          "handoff": "Exports composite cross-margin artifact -- final stage"
        }
      ]
    }