A Library Maintenance job that cleans up downloads tracked by Download Origins
once they pass a per-origin retention window — findings by default, opt-in
auto-delete.
A download is only ever proposed for deletion when ALL hold: older than its
origin's retention, NOT still in an actively-mirrored playlist / watched
artist, and played fewer than the keep-threshold (default 2 → "played more
than once is kept"). Only touches downloads recorded from the Download Origins
feature forward — never pre-existing or manual library.
- core/library/expired_cleanup.py: pure decision core (retention_cutoff,
is_expired, select_expired) — no DB/clock, fully tested. play_count is the
reliable listen signal (last_played is often unpopulated, so recency isn't
used).
- ExpiredDownloadCleanerJob: gathers facts (play_count via a new
get_origin_cleanup_candidates join; active-mirror via get_mirrored_playlists;
watch via get_watchlist_artists) and either creates 'expired_download'
findings or, with auto_delete on, deletes in-scan. Default OFF, both
retentions default 'off'. Settings auto-render in the Library Maintenance
panel (same as Cover Art / Lyrics / Re-tag).
- delete_origin_download(): shared delete (resolve path → remove file → drop
track row → drop history row); a file that won't delete keeps its row +
reports. Used by auto mode AND the _fix_expired_download apply handler.
- Frontend: type/action ('Delete')/result labels + finding detail render.
Tests: 9 on the pure brain (windows, off, per-origin, protected, play-count
threshold, bad age) + 7 on the job (no-op when off, findings, mirror/watch
protection, auto-delete, delete helper missing/real file). 185 repair/origin
tests pass.
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