Major clean up and improvements to vimwiki compatibility and documentation.

Reviewed-on: #1

autoload/nuwiki/commands.vim

@@ -1,5 +1,5 @@
 " autoload/nuwiki/commands.vim — Vim-side wrappers around the LSP
-" commands the server advertises (Phase 19).
+" commands the server advertises.
 "
 " Lives in autoload/ so the cost is paid only when a `:Vimwiki*` /
 " `:Nuwiki*` command is actually invoked. Dispatches via vim-lsp's
@@ -107,7 +107,7 @@ endfunction
 
 function! s:notify_deferred(name) abort
   echohl WarningMsg
-  echom 'nuwiki: ' . a:name . ' is not yet implemented — see SPEC §13.1'
+  echom 'nuwiki: ' . a:name . ' is not yet implemented'
   echohl None
 endfunction
 
@@ -478,6 +478,13 @@ endfunction
 function! nuwiki#commands#cycle_list_item() abort
   call s:exec_pos('nuwiki.list.cycleCheckbox')
 endfunction
+" `glp` cycles backward — same command, `reverse` flag in the payload.
+function! nuwiki#commands#cycle_list_item_back() abort
+  let l:p = s:cursor_position()
+  let l:args = [{ 'uri': l:p['textDocument']['uri'],
+        \ 'position': l:p['position'], 'reverse': v:true }]
+  call s:exec('nuwiki.list.cycleCheckbox', l:args)
+endfunction
 function! nuwiki#commands#reject_list_item() abort
   call s:exec_pos('nuwiki.list.rejectCheckbox')
 endfunction
@@ -627,11 +634,20 @@ function! nuwiki#commands#rename_file() abort
   endif
 endfunction
 
-" ===== §13.1 deferred =====
+" ===== Deferred =====
 
-" §13.1 Cluster A — list rewriters.
+" Cluster A — list rewriters.
 
+" `gl<Space>` — remove done items from the current list only. Passing the
+" cursor position scopes the server to the contiguous list block under it.
 function! nuwiki#commands#list_remove_done() abort
+  let l:p = s:cursor_position()
+  let l:args = [{ 'uri': l:p['textDocument']['uri'], 'position': l:p['position'] }]
+  call s:exec('nuwiki.list.removeDone', l:args)
+endfunction
+
+" `gL<Space>` — remove done items across the whole buffer (no position).
+function! nuwiki#commands#list_remove_done_all() abort
   let l:args = [{ 'uri': s:buf_uri() }]
   call s:exec('nuwiki.list.removeDone', l:args)
 endfunction
@@ -721,7 +737,7 @@ function! nuwiki#commands#list_toggle_or_add_checkbox() abort
   let l:new = strpart(l:line, 0, l:end) . '[ ] ' . strpart(l:line, l:end)
   call setline('.', l:new)
 endfunction
-" §13.1 Cluster B — table rewriters.
+" Cluster B — table rewriters.
 
 function! nuwiki#commands#table_insert(...) abort
   let l:cols = a:0 >= 1 ? str2nr(a:1) : 3
@@ -799,7 +815,7 @@ function! nuwiki#commands#colorize(...) abort
         \ . strpart(l:line, l:right - 1)
   call setline('.', l:new)
 endfunction
-" §13.1 Cluster C — link helpers.
+" Cluster C — link helpers.
 
 function! nuwiki#commands#paste_link() abort
   let l:p = s:cursor_position()

autoload/nuwiki/lsp.vim

@@ -1,6 +1,6 @@
 " autoload/nuwiki/lsp.vim — Vim (non-Neovim) LSP client wiring.
 "
-" Spec §7.4 preference order:
+" Preference order:
 "   1. vim-lsp (matoto/vim-lsp)
 "   2. coc.nvim
 "   3. Print an error if neither is available.