curl -X GET 'https://app.memorylake.cn/openapi/memorylake/api/v3/workspaces/ws-8001856949ad4f6a5b6226f415ffa877/db-datasources?db_connection_id=dbconn-7c1e9a4b2d6f4a8e9b3c5d7f1a2b4c6d&page_size=20' \
  -H 'Authorization: Bearer sk_xxxxxx'

{
  "success": true,
  "data": {
    "items": [
      {
        "id": "dbds-4b8e2f6a1c9d4e7b8a3f5c2d6e9b1a7c",
        "name": "Sales warehouse · sales",
        "description": "Orders and customers from the sales schema",
        "schemas": ["sales"],
        "workspace_id": "ws-8001856949ad4f6a5b6226f415ffa877",
        "db_connection_id": "dbconn-7c1e9a4b2d6f4a8e9b3c5d7f1a2b4c6d",
        "custom_id": "sales-ds",
        "table_filter_rule": ".*",
        "database_count": 1,
        "build_version": "20260921082748374",
        "building_version": "",
        "data_version": "",
        "created_at": "2026-09-18T07:42:43.299Z",
        "updated_at": "2026-09-21T08:27:57.501Z"
      }
    ]
  }
}