Addressing UX feedback (Boulder): the cutoff and size guard were confusing for a
library that holds BOTH movies and TV.
- 'Upgrade until' is now a LOOSE resolution target (4K / 1080p / 720p / SD /
'best — never stop'), not a specific source×resolution tier. 4K is always in
the list regardless of which tiers are toggled on (the old dropdown only
listed enabled tiers, so 4K vanished when off). Stored as cutoff_resolution.
- Size guard split into Max movie size + Max episode size (runtime-aware, like
Radarr's MB/min but human-readable) — a flat GB cap was meaningless across a
2-hour movie and a 25-min episode. Dropped the confusing min slider.
Pure-logic + API + UI in lockstep; removed the now-dead per-row cutoff marker.
12 tests green, ruff clean, JS/HTML balance clean.
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