{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "guanghu.ops-experience-receipt/v1",
  "title": "Guanghu Operations Experience Receipt",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "schema",
    "receipt_id",
    "intent",
    "scope",
    "input",
    "evidence",
    "decision",
    "action",
    "observed_result",
    "correction",
    "invariant_id",
    "invariant",
    "verification",
    "receipt_path",
    "promotion_state",
    "recorded_at"
  ],
  "properties": {
    "schema": {"const": "guanghu.ops-experience-receipt/v1"},
    "receipt_id": {"type": "string", "minLength": 1},
    "intent": {"type": "string", "minLength": 1},
    "scope": {"type": "string", "minLength": 1},
    "input": {"type": "string", "minLength": 1},
    "evidence": {"type": "array", "items": {"type": "string"}, "minItems": 1},
    "decision": {"type": "string", "minLength": 1},
    "action": {"type": "string", "minLength": 1},
    "observed_result": {"type": "string", "minLength": 1},
    "correction": {"type": "string", "minLength": 1},
    "invariant_id": {"type": "string", "minLength": 1},
    "invariant": {"type": "string", "minLength": 1},
    "verification": {"type": "array", "items": {"type": "string"}, "minItems": 1},
    "receipt_path": {"type": "string", "minLength": 1},
    "promotion_state": {"enum": ["CANDIDATE_ONLY", "REVIEWED", "PROMOTED_SKILL", "ENFORCED_GUARD"]},
    "recorded_at": {"type": "string", "format": "date-time"}
  },
  "description": "Stores an externally explainable causal summary, never hidden reasoning or secrets. CANDIDATE_ONLY receipts cannot become hard enforcement without review, tests, and registry promotion."
}