Add manual buffer format command

lua/plugins/language-manager.lua

@@ -525,11 +525,34 @@ local function apply_biome_save_actions(bufnr)
 end
 
 function M.format.setup()
-  require('conform').setup({
+  local conform = require('conform')
+
+  conform.setup({
     formatters_by_ft = (M.general and M.general.formatters_by_ft) or {},
     default_format_opts = { stop_after_first = true, lsp_format = 'fallback' },
   })
 
+  local function format_buffer(bufnr)
+    conform.format({ bufnr = bufnr, timeout_ms = 500, lsp_format = 'fallback' })
+  end
+
+  vim.api.nvim_create_user_command('Format', function(args)
+    local bufnr = vim.api.nvim_get_current_buf()
+    local ft = vim.trim(args.args)
+
+    if ft ~= '' then
+      vim.bo[bufnr].filetype = ft
+    end
+
+    format_buffer(bufnr)
+  end, {
+    nargs = '?',
+    complete = function(arg_lead)
+      return vim.fn.getcompletion(arg_lead, 'filetype')
+    end,
+    desc = 'Format current buffer',
+  })
+
   vim.api.nvim_create_autocmd('BufWritePre', {
     group = vim.api.nvim_create_augroup('language-manager.format', { clear = true }),
     callback = function(args)
@@ -538,7 +561,7 @@ function M.format.setup()
       end
 
       apply_biome_save_actions(args.buf)
-      require('conform').format({ bufnr = args.buf, timeout_ms = 500, lsp_format = 'fallback' })
+      format_buffer(args.buf)
     end,
   })
 end