[ ] platform
    [ ] app
        [ ] ui
        [ ] event playback
        [ ] update should produce a straight struct result for render
        [ ] how to fix variable scroll? or do we not care?
        [ ] win32
            [ ] hot reload / plugins
            [ ] tests using yield
        [ ] linux
    [ ] os
        [?] wasm (explore)
            [ ] drag and drop
            [ ] open file dialog
        [ ] win32
        [ ] linux
    [ ] gfx
        [ ] simple 2d
            [ ] revisit api
            [ ] change name, hard to type

[ ] core
    [ ] add time stuff into core? app start time and stuff like that
    [ ] meta
        [ ] search for python snippets and execute meta.py script on that file
        [ ] new simple format with tags
    [x] revisit api
    [ ] s8_bin
        [ ] bin_write_begin - serialize binary data (sb8_bin_write?)
            bin_write_end
            bin_write_u64
            bin_write_u32
            bin_write_u16
            bin_write_u8
            bin_write_data
            bin_write_size
            bin_write_s8
            bin_write_cs
        [ ] bin_read_begin
            bin_read_end
            bin_read_...


new format with tags:

app_event_t: @struct {
    kind: app_event_kind_t
    key: app_key_t
    button: app_mouse_button_t
    delta_time: f64

    next: *app_event_t @dont_serialize
}