{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://mergegrounds.chawax.chatgpt.site/schemas/waiver-v1.schema.json",
  "title": "MergeGrounds waiver v1",
  "$ref": "#/$defs/waiver",
  "$defs": {
    "subject": {
      "type": "object", "additionalProperties": false,
      "required": ["repository", "commit", "tree", "base_commit", "canonical_diff_digest"],
      "properties": {
        "repository": {"type": "string", "minLength": 1, "maxLength": 512, "pattern": "^[a-z][a-z0-9+.-]*://[^\\s]+$"},
        "commit": {"type": "string", "pattern": "^(?:[0-9a-f]{40}|[0-9a-f]{64})$"},
        "tree": {"type": "string", "pattern": "^(?:[0-9a-f]{40}|[0-9a-f]{64})$"},
        "base_commit": {"type": "string", "pattern": "^(?:[0-9a-f]{40}|[0-9a-f]{64})$"},
        "canonical_diff_digest": {"type": "string", "pattern": "^sha256:[0-9a-f]{64}$"}
      }
    },
    "policyBinding": {
      "type": "object", "additionalProperties": false,
      "required": ["policy_id", "version", "digest"],
      "properties": {
        "policy_id": {"type": "string", "minLength": 1, "maxLength": 256},
        "version": {"type": "string", "minLength": 1, "maxLength": 128},
        "digest": {"type": "string", "pattern": "^sha256:[0-9a-f]{64}$"}
      }
    },
    "signature": {
      "type": "object", "additionalProperties": false,
      "required": ["algorithm", "key_id", "value"],
      "properties": {
        "algorithm": {"const": "ed25519"},
        "key_id": {"type": "string", "minLength": 1, "maxLength": 256},
        "value": {"type": "string", "pattern": "^[A-Za-z0-9_-]{86}$"}
      }
    },
    "uuid": {"type": "string", "format": "uuid", "pattern": "^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$"},
    "waiver": {
      "type": "object", "additionalProperties": false,
      "required": [
        "schema", "waiver_id", "subject", "policy", "control_id", "scope",
        "underlying_state", "authority", "reason", "issued_at", "expires_at", "signature"
      ],
      "properties": {
        "schema": {"const": "https://mergegrounds.chawax.chatgpt.site/schemas/waiver-v1.schema.json"},
        "waiver_id": {"$ref": "#/$defs/uuid"},
        "subject": {"$ref": "#/$defs/subject"},
        "policy": {"$ref": "#/$defs/policyBinding"},
        "control_id": {"type": "string", "minLength": 1, "maxLength": 256},
        "scope": {"type": "array", "minItems": 1, "maxItems": 100000, "uniqueItems": true, "items": {"type": "string", "minLength": 1, "maxLength": 1024}},
        "underlying_state": {"enum": ["fail", "not_evaluated"]},
        "authority": {"type": "string", "minLength": 1, "maxLength": 512, "pattern": "^[a-z][a-z0-9+.-]*://[^\\s]+$"},
        "reason": {"type": "string", "minLength": 8, "maxLength": 2048},
        "issued_at": {"type": "string", "pattern": "^\\d{4}-\\d{2}-\\d{2}T\\d{2}:\\d{2}:\\d{2}(?:\\.\\d{1,6})?Z$"},
        "expires_at": {"type": "string", "pattern": "^\\d{4}-\\d{2}-\\d{2}T\\d{2}:\\d{2}:\\d{2}(?:\\.\\d{1,6})?Z$"},
        "signature": {"$ref": "#/$defs/signature"}
      }
    }
  }
}