http://git.cashmere.rs/kitty-graphics/atom/PLAN-sixel-expansion.md?h=master 2026-03-20T15:02:54Z 2026-03-20T15:02:54Z cashmere cashmere@autistici.org 2026-03-20T15:02:54Z urn:sha1:880e0b981eb219b22785cac93f175573b7faf2cc Complete architecture review for adding Sixel graphics protocol support. Documents all key decisions: alist backend dispatch, temp-file cache, dirty-flag refresh, sync encoding with debounce. Estimated 3-5 days, +300-400 LOC, unlocking ~20 additional terminals including tmux.