Objective: Remake the PodTUI shell into a yazi-pure parent|current|preview 3-pane layout (1:3:3 ratio) with a bottom tab strip and no always-on sidebar.

Status legend: [ ] todo, [~] in-progress, [x] done

Tasks

01 — rearchitect-nav-model → 01-rearchitect-nav-model.md
02 — build-three-pane-layout-primitive → 02-build-three-pane-layout-primitive.md
03 — convert-list-tabs-to-primitive → 03-convert-list-tabs-to-primitive.md
04 — fit-search-and-player-panes → 04-fit-search-and-player-panes.md
05 — rebuild-shell-chrome → 05-rebuild-shell-chrome.md
06 — rewire-keybinds → 06-rewire-keybinds.md
07 — verify-remake → 07-verify-remake.md

Dependencies

03 depends on 01
03 depends on 02
04 depends on 01
04 depends on 02
05 depends on 01
06 depends on 01
06 depends on 05
07 depends on 03
07 depends on 04
07 depends on 05
07 depends on 06

Exit criteria

The feature is complete when the left tab sidebar is gone; tabs switch only via digit keys 1-6 / [ ] and a bottom tab strip
All tabs render three stable columns at 1/7 : 3/7 : 3/7 (parent | current | preview)
The parent pane renders the previous-depth list and is blank (but keeps its 1/7 slot) at depth 0
h/l drill (push) and pop depths on list tabs; h is a noop at depth 0
j/k move within the current pane only; focus starts on the current pane
Feed depth 0→1→2, MyShows, Discover, Settings (sections→items→editor), Search, and Player all render correctly via the drive harness
bun run build passes and lens_diagnostics (mode=all) reports zero errors
The bottom status bar shows active tab + depth + counts, selection count, now-playing, and the tab strip