{
  "type": "object",
  "properties": {
    "answer": { "type": "string" },
    "source_ids": { "type": "array", "items": { "type": "string" } },
    "needs_clarification": { "type": "boolean" },
    "suggested_next_step": { "type": "string" }
  },
  "required": ["answer", "source_ids", "needs_clarification", "suggested_next_step"]
}