| Name | Type | Description | Notes |
|---|---|---|---|
| file_id | string | [optional] | |
| s3_uri | string | [optional] | |
| url | string | Presigned download URL (1 hour) | [optional] |
| filename | string | [optional] | |
| content_type | string | [optional] | |
| size | int | [optional] | |
| metadata | object | [optional] | |
| created_at | \DateTime | [optional] |