{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "Global Coherence Index Schema (Illustrative)",
  "description": "Defines the data structure for reporting MROS coherence metrics.",
  "type": "object",
  "properties": {
    "entity_id": { "type": "string", "description": "Unique organization or model ID" },
    "timestamp_utc": { "type": "string", "format": "date-time" },
    "GCI": { "type": "number", "minimum": 0, "maximum": 1 },
    "Delta_ECL": { "type": "number", "minimum": 0 },
    "Delta_fair": { "type": "number", "minimum": 0 },
    "auditor": { "type": "string" },
    "notes": { "type": "string" }
  },
  "required": ["entity_id", "timestamp_utc", "GCI", "Delta_ECL", "Delta_fair"]
}