SD cards implement a linear map of blocks. We typically introduce a hierarchical key-value store on top of that- a filing system where we file values by certain keys.
What is your ask? Get rid of hierarchy and use only a single flat directory on the SD card? Plan9 was close to the kind of vision you describe- configuration and state for applications lived live in the file system.
What is your ask? Get rid of hierarchy and use only a single flat directory on the SD card? Plan9 was close to the kind of vision you describe- configuration and state for applications lived live in the file system.