User policy: the channel hosts user-created torrents (one ~2.5 TB); this
tool is for direct-download packs. Torrent links are recorded as done with
a note so they never re-download.
Rust-only extension (no python counterpart): --since 5d / 12h / 2026-10-04
keeps only URLs posted at/after the cutoff. URLs without a timestamp
(e.g. --urls-file lists) are kept with a warning.