Export Usage Csv

Stream usage events as CSV (admin only). Returns Content-Type: text/csv with columns: timestamp, user_id, sandbox_id, event_type, quantity, metadata_json

curl -X GET "https://loading/api/v1/admin/sandboxes/usage/export"

null

{
  "detail": [
    {
      "loc": [
        "string"
      ],
      "msg": "string",
      "type": "string",
      "input": null,
      "ctx": {}
    }
  ]
}