{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "#/components/schemas/File", "title": "File", "type": "object", "properties": { "id": { "type": "string" }, "name": { "type": "string" }, "path": { "type": "string", "description": "Full folder path" }, "fileType": { "type": "string", "enum": [ "FILE", "FOLDER" ] }, "contentType": { "type": "string", "description": "MIME type" }, "size": { "type": "integer", "description": "File size in bytes" }, "version": { "type": "integer" }, "createdAt": { "type": "string", "format": "date-time" }, "updatedAt": { "type": "string", "format": "date-time" }, "createdBy": { "type": "string" }, "description": { "type": "string" }, "downloadUrl": { "type": "string", "format": "uri", "description": "Pre-signed download URL (time-limited)" }, "thumbnailUrl": { "type": "string", "format": "uri" } } }