refactor(cmdcomplete): simplify command line completion trigger

Replaces manual wildcharm and feedkeys logic with vim.fn.wildtrigger().
Removes unnecessary configuration and streamlines the setup for command
line completion. This improves maintainability and reduces complexity.

Author: deathbeam

lua/myplugins/cmdcomplete.lua

@@ -6,12 +6,8 @@ function M.setup()
     end
 
     local group = vim.api.nvim_create_augroup('myplugins-cmdcomplete', { clear = true })
-    local term = vim.api.nvim_replace_termcodes('<C-@>', true, true, true)
 
-    vim.cmd([[set wildcharm=<C-@>]])
-    vim.opt.wildmenu = true
     vim.opt.wildmode = 'noselect:lastused,full'
-
     vim.keymap.set('c', '<Up>', '<End><C-U><Up>', { silent = true })
     vim.keymap.set('c', '<Down>', '<End><C-U><Down>', { silent = true })
 
@@ -20,23 +16,7 @@ function M.setup()
         desc = 'Auto show command line completion',
         pattern = ':',
         callback = function()
-            local cmdline = vim.fn.getcmdline()
-            local curpos = vim.fn.getcmdpos()
-            local last_char = cmdline:sub(curpos - 1, curpos - 1)
-
-            if
-                curpos == #cmdline + 1
-                and vim.fn.pumvisible() == 0
-                and last_char:match('[%w%/%:- ]')
-                and not cmdline:match('^%d+$')
-            then
-                vim.api.nvim_feedkeys(term, 'ti', false)
-                vim.opt.eventignore:append('CmdlineChanged')
-                vim.schedule(function()
-                    vim.fn.setcmdline(vim.fn.substitute(vim.fn.getcmdline(), '\\%x00', '', 'g'))
-                    vim.opt.eventignore:remove('CmdlineChanged')
-                end)
-            end
+            vim.fn.wildtrigger()
         end,
     })
 end