add netrw live previews and directory summaries

lua/netrw-config.lua

@@ -1,4 +1,5 @@
 local map = vim.keymap.set
+local netrw_preview = require('netrw-preview')
 local last_file_buf
 local previous_file_buf
 
@@ -78,7 +79,7 @@ vim.g.netrw_browse_split = 0
 -- Sort order: name (empty), time (t), size (s), exten (e)
 vim.g.netrw_sort_by = 'name'
 
--- Hide dotfiles by default (toggle with 'gh' in netrw)
+-- Preserve netrw's normal listing filter; toggle dotfile visibility with 'gh'
 vim.g.netrw_list_hide = [[^\.\.\=/\=$]]
 
 -- Use human-readable file sizes
@@ -123,8 +124,17 @@ vim.api.nvim_create_autocmd('FileType', {
   pattern = 'netrw',
   desc = 'Configure netrw buffer-local options',
   callback = function()
+    local buf = vim.api.nvim_get_current_buf()
     vim.bo.buflisted = false
     vim.opt_local.number = true
     vim.opt_local.relativenumber = true
+
+    -- netrw installs its own buffer mappings while building the listing.
+    -- Apply the preview extension after that setup has finished.
+    vim.schedule(function()
+      if is_valid_buffer(buf) and vim.bo[buf].filetype == 'netrw' then
+        netrw_preview.setup(buf)
+      end
+    end)
   end,
 })