The structural piece: a global SequenceMatcher in root_shell, at the
HardwareKeyboard level so a focused editor/pane can't swallow the second
chord. It only STARTS on a modified chord that prefixes a sequence (ctrl+w),
so bare-key sequences (gg, dd) stay editor/pane-local and single-chord presets
are untouched; bare ctrl+w still fires editor.close after the D-82 timeout.
vim.yaml binds the window family under vim.normal||vim.visual: ctrl+w h/l →
panel.focus.left/right, j → dock.toggle, w / ctrl+w → focus.nextPanel,
shift+w → focus.previousPanel, o → panel.focusMode, q/c → editor.close.
Tests: ctrl+w sequence resolution at the keymap layer, plus app-level
integration (ctrl+w o toggles focus mode; bare ctrl+w closes the editor after
the timeout; a bare g is not grabbed globally).
This is the global matcher T-405 part 2 (gt/gT) was waiting on — though bare-g
sequences need more thought (g is editor-local), noted for that follow-up.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
The structural T-403 child: make vim normal mode mean navigation in panes
that were mouse-only. The passive global key path can't run multi-chord
sequences (D-82), so each pane hosts its own SequenceMatcher — factored into
a reusable PaneKeyNav that resolves the live keymap and dispatches nav.*
intents while a pane holds focus under the vim preset.
- nav.* intents (down/up/pageDown/pageUp/top/bottom/expandOrRight/
collapseOrLeft/activate) — preset-neutral; vim.yaml binds j/k/ctrl+d/ctrl+u/
gg/G/l/h/[o,enter] under `vim.normal && !editor.focused`.
- The editor publishes an `editor.focused` scope flag from its focus node, so
the same keys stay buffer motions while the editor is focused and become nav
when a pane is — resolved by file order + the guard (no change to the editor
motion bindings).
- File tree: a flattened visible-index selection cursor in FileTreeController
(j/k move, h collapse-or-out, l expand-or-into, o/enter open), with a focus
ring + scroll-into-view.
- Conversation: j/k line-scroll, ctrl+d/u half-page, gg top, G bottom — G
re-arms follow-tail.
Foundation for T-404/T-405/T-407, which build on the per-pane matcher and the
editor.focused guard. Git panel + ticket board list nav deferred to a
follow-up (the ticket says lists can trail). Tests: keymap resolution under
both scopes, PaneKeyNav dispatch, the controller selection model, and
end-to-end key-driven nav in both panes.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
T-65 — the capstone of the Vim epic. assets/keymaps/vim.yaml binds the
muscle-memory set guarded on vim.normal/insert/visual: hjkl/w/b/e/0/$/^/
gg/G motions, x/dd/dw/D/yy/p/P/cc/cw edits, i/a/I/A/o/O insert entries,
v + d/y/c in visual, Esc back to normal, and counts via the matcher. App
shortcuts (palette, find, zoom) are carried in the preset so they survive
under Vim.
The editor now feeds Shift chords to the matcher (Vim's capitals: G, D,
A, P, $) while still bubbling Ctrl/Alt/Meta to the global handler. The
keybindings-ui stub gains palette commands (`Keymap: Vim` / `Keymap:
Default`) to switch presets — the user-facing way to turn Vim on.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
jpmschweitzerandClaude Opus 4.8