curl --request GET \
  --url https://api.mnemom.ai/v1/agents/{agent_id}/checkpoints

{
  "checkpoints": [
    {
      "checkpoint_id": "<string>",
      "agent_id": "<string>",
      "card_id": "<string>",
      "session_id": "<string>",
      "timestamp": "2023-11-07T05:31:56Z",
      "thinking_block_hash": "<string>",
      "provider": "<string>",
      "model": "<string>",
      "verdict": "clear",
      "concerns": [
        {
          "category": "<string>",
          "severity": "<string>",
          "description": "<string>",
          "evidence": "<string>"
        }
      ],
      "reasoning_summary": "<string>",
      "conscience_context": {},
      "window_position": {
        "index": 123,
        "window_size": 123
      },
      "analysis_metadata": {},
      "linked_trace_id": "<string>",
      "re_evaluated_at": "2023-11-07T05:31:56Z",
      "original_verdict": "<string>"
    }
  ],
  "total": 123,
  "limit": 123,
  "offset": 123
}