If you're already good with Lua, you need to get yourself familiar with the Data Life Cycle and the API

I'm no expert in either of those, but it seems that dynamicly changing inventory size is only possible for the player through inventory size bonus, which seems exclusive to player armor and ...

okay so sorry if i say or do something stupid i am entirely new to modding factorio( but i am already good at lua )

What im trying to do:
im trying to make a machine that stores a dynamically increasing amount of one item type,
and that increases that storage amount when provided a specific item ...