curl --request POST \
  --url http://api.superwize.ai/api/bookmarks/addConversation \
  --header 'Content-Type: application/json' \
  --data '
{
  "groupId": "grp_01JHKYX1B2CD123456789",
  "conversationId": "conv_01JHKYW2V8XQ123456789"
}
'

{
  "id": "obj_01JHKZ0PV2WX123456789",
  "groupId": "grp_01JHKYX1B2CD123456789",
  "conversationId": "conv_01JHKYW2V8XQ123456789",
  "createdAt": "2026-01-01T00:00:00.000Z"
}