curl --request GET \
  --url https://api.rigbox.dev/api/users/me/ai-usage \
  --header 'Authorization: Bearer <token>'

{
  "by_workspace": [
    {
      "credits": 123,
      "input_tokens": 123,
      "output_tokens": 123,
      "requests": 123,
      "workspace_id": "<string>",
      "workspace_name": "<string>"
    }
  ],
  "daily": [
    {
      "credits": 123,
      "day": "<string>",
      "input_tokens": 123,
      "output_tokens": 123,
      "requests": 123
    }
  ],
  "window_days": 123
}