{
  "tool_id": "art-49-clearing-access-model-selector",
  "note": "golden_hash empty until first `node golden-parity.test.mjs --update`.",
  "vectors": [
    {
      "name": "default-inputs",
      "policy_parameters": {},
      "output_payload": {
        "recommended_model": "agent_done_away",
        "model_scores": {
          "direct": {
            "blended": 21.3,
            "cost_score": 0,
            "exec_score": 85,
            "eligible": false
          },
          "sponsored_done_with": {
            "blended": 58.5,
            "cost_score": 100,
            "exec_score": 34,
            "eligible": true
          },
          "sponsored_done_away": {
            "blended": 93.5,
            "cost_score": 95,
            "exec_score": 77,
            "eligible": true
          },
          "agent_done_away": {
            "blended": 96.5,
            "cost_score": 86,
            "exec_score": 81,
            "eligible": true
          }
        },
        "annual_cost_by_model": {
          "direct": 2000000,
          "sponsored_done_with": 150000,
          "sponsored_done_away": 250000,
          "agent_done_away": 400000
        },
        "im_estimate_by_model": {
          "direct": 0,
          "sponsored_done_with": 0,
          "sponsored_done_away": 0,
          "agent_done_away": 0
        },
        "execution_access_score": 95,
        "netting_efficiency_pct": 25,
        "segregation_recommendation": "non-segregated (net CCP margining)",
        "eligibility_gates": [
          "DIRECT_MEMBERSHIP_INELIGIBLE"
        ],
        "cfo_memo": "Recommended access model: agent_done_away. Est. annual cost $0.40M (vs Direct $2.00M). Done-away netting uplift from 1 dealer(s): 5%. Segregation: non-segregated (net CCP margining). Educational estimate; confirm with the CCP and sponsor.",
        "note": "Educational access-model economics for the SEC US Treasury clearing mandate. Assumptions documented in-kernel; not clearing advice."
      },
      "golden_hash": "fde5b4ed4930b01cb1cdb9c32b9f649586a198529ae944cfeb766e74dc5875b9"
    }
  ]
}