vsf

Build, flash, and run automated test suites for VSF firmware on target hardware. Requires board for flash/test; build-only offline. Delegates driver changes to vsf-hal-driver.

Create, implement, audit, and debug VSF HAL LV0 drivers. Handles register-level bugs in `.c` files (clock gates, IRQ handlers, register writes). Delegates build/flash/test to vsf-bench.