-- Remove trailing spaces on save, preserving cursor and search pattern
local function strip_trailing_whitespace()
  if vim.list_contains({ "markdown", "diff" }, vim.bo.filetype) then
    return
  end
  local view = vim.fn.winsaveview()
  vim.cmd([[keeppatterns %s/\s\+$//e]])
  vim.fn.winrestview(view)
end

vim.api.nvim_create_autocmd("BufWritePre", {
  pattern = "*",
  callback = strip_trailing_whitespace,
})

-- Note: the colorscheme (with its "desert" fallback) is applied from
-- lua/plugins/colorscheme.lua's own `config` function, not here — under
-- lazy.nvim that's the natural place to react to "the plugin is now loaded".
--
-- Note: the vimrc's "reload vimrc on save" autocmd has no clean Lua
-- equivalent (module caching means `require()`-based configs aren't simply
-- re-sourceable) and is deliberately not ported.