Major clean up and improvements to vimwiki compatibility and documentation.

Reviewed-on: #1

lua/nuwiki/commands.lua

@@ -1,5 +1,5 @@
 -- lua/nuwiki/commands.lua — Lua wrappers around every `nuwiki.*`
--- `workspace/executeCommand` the server advertises. Phase 19 plumbing.
+-- `workspace/executeCommand` the server advertises.
 --
 -- Each public function is named after its `:Vimwiki*` / `:Nuwiki*`
 -- counterpart so `ftplugin/nuwiki.vim` can wire them up declaratively.
@@ -323,6 +323,12 @@ end
 
 M.toggle_list_item = _exec_pos('nuwiki.list.toggleCheckbox')
 M.cycle_list_item = _exec_pos('nuwiki.list.cycleCheckbox')
+-- `glp` cycles backward — same command, `reverse = true` in the payload.
+function M.cycle_list_item_back()
+  local a = pos_args()
+  a[1].reverse = true
+  exec('nuwiki.list.cycleCheckbox', a)
+end
 M.reject_list_item = _exec_pos('nuwiki.list.rejectCheckbox')
 M.heading_add_level = _exec_pos('nuwiki.heading.addLevel')
 M.heading_remove_level = _exec_pos('nuwiki.heading.removeLevel')
@@ -462,7 +468,7 @@ function M.rename_file()
   vim.lsp.buf.rename()
 end
 
--- ===== Deferred placeholders (§13.1) =====
+-- ===== Deferred placeholders =====
 --
 -- These commands aren't implemented on the server yet. Stub them so the
 -- `:Vimwiki*` compat surface exists and users get a clear message
@@ -471,15 +477,22 @@ end
 local function _not_yet(name)
   return function()
     vim.notify(
-      'nuwiki: ' .. name .. ' is not yet implemented — see SPEC §13.1',
+      'nuwiki: ' .. name .. ' is not yet implemented',
       vim.log.levels.WARN
     )
   end
 end
 
--- §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 M.list_remove_done()
+  exec('nuwiki.list.removeDone', pos_args())
+end
+
+-- `gL<Space>` — remove done items across the whole buffer (no position).
+function M.list_remove_done_all()
   exec('nuwiki.list.removeDone', uri_args())
 end
 
@@ -878,7 +891,7 @@ function M.smart_shift_tab()
   )
 end
 
--- §13.1 Cluster B — table rewriters.
+-- Cluster B — table rewriters.
 
 function M.table_insert(cols, rows)
   cols = tonumber(cols) or 3
@@ -961,7 +974,7 @@ function M.colorize(color)
   vim.api.nvim_buf_set_lines(0, row - 1, row, false, { new_line })
 end
 
--- §13.1 Cluster C — link helpers.
+-- Cluster C — link helpers.
 
 function M.paste_link()
   exec('nuwiki.link.pasteWikilink', pos_args())