DAW projects aren't text. They can include audio files, plug-ins, automation curves, MIDI data, and more.

A complete reconstruction would have to save and freeze all of those elements.

You can save references to save space, but you still need a complete collection of everything as a starting point.

And DAWs themselves regularly change their saved file formats.

For a completely secure reconstruction you'd have to save a complete virtual machine with the current DAW version, current OS, current installed plug-ins - with licensing and DRM - and all of the project data.