now write a fuse filesystem that automaticaly creates new partitions on gpt when used, iirc there was a passthrough kinda thing that was added quite a bit ago so you might actualy get almost full block device performance out of it

Wow it seems cool. I probably would have paid for it if it would have supported Turkey credit cards sadly in Turkey open banking is pretty bad and doesn't include credit cards so manual entry for me. At least i have more granularity with manual entry for categories tho

I use self hosted actual budget instance. Its pwa is decent