{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/BourbonDog/amicus/main/schemas/council-stats.schema.json",
  "title": "amicus council-stats document",
  "description": "Ledger-derived reviewer reliability (`council stats --json`, amicus_council_stats). v2 wraps the pre-4.0 bare array in {schemaVersion, type, models} — THE one breaking council shape change.",
  "type": "object",
  "required": ["schemaVersion", "type", "models"],
  "properties": {
    "schemaVersion": { "const": 2 },
    "type": { "const": "council-stats" },
    "models": {
      "type": "array",
      "items": {
        "type": "object",
        "required": ["model", "runs", "lowN"],
        "properties": {
          "model": { "type": "string" },
          "runs": { "type": "number" },
          "lowN": { "type": "boolean" },
          "avgStreetCredPeersOnly": { "type": ["number", "null"] },
          "lifetimeConfirmRate": { "type": ["number", "null"] },
          "lifetimeFactErrorRate": { "type": ["number", "null"] },
          "conformance": { "type": "object" },
          "aliases": {
            "type": "array", "items": { "type": "string" },
            "description": "Every alias observed for this group, most recently observed first — aliases[0] is the launch-preferred name (v4.7 GOA-7)."
          },
          "legacy": {
            "type": "boolean",
            "description": "True when every row in the group lacks resolvedModel — alias-keyed history from before resolved-id segmentation, or leg-less rows whose resolution is unknowable (v4.7 GOA-7, spec R2)."
          }
        }
      }
    }
  }
}