Show all listed buffers in a tabline (current bufnr highlighted, modified
marker '+'), and reserve a permanent signcolumn so width doesn't jitter when
gitgutter/ALE/LSP signs come and go.
- ui.vim: TLBuild() + TabLine{,Sel,Fill} hl groups via ColorScheme autocmd;
set signcolumn=yes for non-TTY (overrides core.vim's previous logic)
- core.vim: drop non-TTY signcolumn branch (centralized in ui.vim)
Statusline: add buffer count, PASTE/SPELL/MAX flags, LSP server name,
encoding (shown only when non-utf-8/unix).
File tree sidebar: ,e toggles netrw sidebar (cwd), ,E toggles sidebar
(current file dir). Tracks t:netrw_sidebar_buf per-tab for reliable
toggle. browse_split=4 opens files in editor window.
vim . integration: opens tree sidebar (30 cols) + Startify dashboard.
Files opened from tree replace the dashboard.
Toggle feedback: F2/F3/F4/F6/,ss/,z now echo their new state.
Replace the monolithic 1268-line .vimrc with a thin loader that sources
12 modules under modules/ (env, plugins, core, ui, editing, navigation,
lsp, lint, git, writing, languages, tools). Each module is independently
readable and can be toggled by commenting one line.
Add interactive tutorial (tutor/chopsticks.tutor) with 10 lessons covering
all features. Users can run :ChopsticksLearn to start.
