I'm just starting to look into the mod and made my first vehicle, and I can already think of a possible addition to make the most even better

Adding a "Load everything around" option, something like having a zone around the vehicle a circle or rectangle 5 or 6 tile wide and when you click on "load everything around" it loads everything it detect in this zone that is not forbidden

Or a other idea, having a button that work like the "load pawn" where you can click on the pawn you want to load
You would have a "manually select cargo" button and when you click on it you can then select or group select any items around, this will give the order to load them in the vehicle

This would be super useful when using your vehicle to transport stone or metal chunk from the other side of the map to your base
And it would also increase realism and immersion, less time in menus and more time on the map