surveilr_udi_dal_fs()

Registers a virtual table module surveilr_udi_dal_fs that interacts with files using the OpenDAL file system operator.This virtual table allows structured querying of file metadata, such as name, path, size, content, and other details,for files within a specified directory. The table also supports filtering by a specific path.The virtual table exposes the following columns:- name: TEXT - The name of the file.- path: TEXT - The full path of the file.- last_modified: TEXT - The last modified timestamp of the file in ISO 8601 format.- content: BLOB - The binary content of the file (optional).- size: INTEGER - The size of the file in bytes.- content_type: TEXT - The MIME type of the file (e.g., text/plain, image/jpeg).- digest: TEXT - The MD5 hash of the file content (optional).- arg_path: HIDDEN TEXT - The base path used for filtering (required for queries).