Surface the existing pin (keep-from-cull) and per-file delete actions as
visible inline buttons on each offline cache row instead of context-menu-only:
a star toggles protection from auto-cull (and restore-if-missing), a trash
culls that file early. Aligns wording/icons to the star metaphor.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
