{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://harness-forge.dev/schemas/runtime/recursive-checkpoint.schema.json",
  "title": "Recursive checkpoint",
  "type": "object",
  "additionalProperties": false,
  "required": ["checkpointId", "sessionId", "iterationId", "summary", "evidenceRefs", "reason", "createdAt"],
  "properties": {
    "checkpointId": { "type": "string" },
    "sessionId": { "type": "string" },
    "iterationId": { "type": "string" },
    "summary": { "type": "string" },
    "evidenceRefs": { "type": "array", "items": { "type": "string" } },
    "reason": { "type": "string" },
    "createdAt": { "type": "string", "format": "date-time" }
  }
}