curl -X POST 'https://app.memorylake.cn/openapi/memorylake/api/v2/projects/proj-a1b2c3d4e5f6g7h8i9j0k1l2m3n4o5p6/memories/search' \
  -H 'Authorization: Bearer sk_xxxxxx' \
  -H 'Content-Type: application/json' \
  -d '{
    "query": "What restaurants were recommended?",
    "user_id": "user-abc123",
    "top_k": 10,
    "threshold": 0.3,
    "rerank": false
  }'

{
  "success": true,
  "data": {
    "results": [
      {
        "id": "mem-123",
        "content": "User prefers Hangzhou cuisine restaurants",
        "user_id": "user-abc123",
        "created_at": "2024-01-15T10:00:00Z",
        "updated_at": "2024-01-15T10:00:00Z"
      }
    ]
  }
}