curl --request POST \
  --url https://api.ldx.dev/v1/responses/compact \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "model": "<string>",
  "input": "<string>",
  "instructions": "<string>",
  "previous_response_id": "<string>"
}
'

{
  "id": "<string>",
  "object": "response.compaction",
  "created_at": 123,
  "output": [
    {}
  ],
  "usage": {
    "prompt_tokens": 123,
    "completion_tokens": 123,
    "total_tokens": 123,
    "prompt_tokens_details": {
      "cached_tokens": 123,
      "text_tokens": 123,
      "audio_tokens": 123,
      "image_tokens": 123
    },
    "completion_tokens_details": {
      "text_tokens": 123,
      "audio_tokens": 123,
      "reasoning_tokens": 123
    }
  },
  "error": {}
}