lidarr_cleanup.sh and sonarr_cleanup.sh already walk every artist/series
individually (trackFile/episodefile) for their own cleanup decisions --
that walk now also writes the raw per-item data through to a short-lived
tmpfs cache (arr_item_cache_write, 4h freshness, no persistent backup
since every consumer already has its own live fallback). lidarr_missing_art.sh
runs later in the same nightly window and now reads that cache first,
skipping its own redundant per-artist walk entirely on a hit. Sonarr side
is write-through only for now -- no second consumer exists yet, but the
data's there for whenever one does. Future consumers: arr_get_cached_items()
first, live per-item fetch as fallback, same pattern as these two.
Gmer4Lfe
de2879bdee