{
  "$id": "https://context-guard.local/schemas/reference-expiry-request-v1.json",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "additionalProperties": false,
  "oneOf": [
    {
      "not": {"required": ["expected_generation"]},
      "properties": {"operation": {"const": "register"}},
      "required": ["expires_at_unix_ms"]
    },
    {
      "not": {"required": ["expires_at_unix_ms"]},
      "properties": {"operation": {"const": "revoke"}},
      "required": ["expected_generation"]
    }
  ],
  "properties": {
    "capability": {"pattern": "^cgr1p_[A-Za-z0-9_-]{43}$", "type": "string"},
    "expected_generation": {"maximum": 2147483647, "minimum": 1, "type": "integer"},
    "expires_at_unix_ms": {"maximum": 4102444800000, "minimum": 0, "type": "integer"},
    "operation": {"enum": ["register", "revoke"]},
    "schema_version": {"const": "contextguard-receipt-reference-expiry-request/v1"}
  },
  "required": ["capability", "operation", "schema_version"],
  "title": "Context Guard Receipt reference expiry request",
  "type": "object"
}