the first buffer autocommands not registered

[m4cey]

when starting a new neovim instance on a typst filetype, the buffer autocmds aren't created for that file.
but the next time I open a file in that same neovim instance, things work as expected. however the first buffer is still without autocmds.
I can manually refresh things with :set filetype=typst as a workaround.

I was able to reproduce this on a clean configuration with lazy.nvim and no other plugins.

[m4cey]

update:
I noticed this only happens when the call to setup happens outside of lazy.nvim's plugin declaration like this:

require 'lazy'.setup({
	{
		'chomosuke/typst-preview.nvim',
		ft = 'typst',
		version = '0.1.*',
		build = function() require 'typst-preview'.update() end,
	},
})

require 'typst-preview'.setup {
 	debug = false,
 	get_root = function(_)
 		return vim.fn.getcwd()
 	end,
}

if I don't call setup outside or use opts to pass options or config = function(), everything works fine; which is probably all anyone needs