flashOS v0.5

flashOS v0.5.0

Added:

• PIO-based SWD backend

• CMSIS-DAP v2 support (driverless on Windows), verified with OpenOCD and pyOCD against an RP2350 target

• Reliable SWCLK operation across 1-21 MHz

• USB reliability baseline (CMSIS-DAP packet count = 1) with host retry wrappers

• Boot banner reports version information