curl -X DELETE 'https://app.memorylake.cn/openapi/memorylake/api/v1/projects/proj-a1b2c3d4e5f6g7h8i9j0k1l2m3n4o5p6/documents' \
  -H 'Authorization: Bearer sk_xxxxxx' \
  -H 'Content-Type: application/json' \
  -d '{
    "ids": ["doc-1234567890abcdef", "doc-abcdef1234567890"]
  }'

{
  "success": true,
  "message": "Documents removed successfully"
}