{
      "name": "settlement-discipline-fit",
      "domain": "Settlement Discipline",
      "title": "T+1 Settlement Readiness Diagnostic",
      "description": "Single-node D0 diagnostic scoring a firm's readiness for the EU/UK/CH T+1 move (11 Oct 2027) and the Dec-2026 allocation/confirmation timing mandate, routing to the right settlement-discipline chain.",
      "composer_url": "https://ainumbers.co/chaingraph/chains/settlement-discipline-fit.html",
      "steps": [
        {
          "tool_id": "art-77-t1-settlement-readiness-diagnostic",
          "handoff": "readiness grade + gaps route to sd-ssi-hygiene / sd-failpredict / sd-penalty / sd-alloc-affirm / sd-message-conformance / sd-buyin / sd-audit-pack"
        }
      ]
    }