Take upstream board rev2, heater, and project cleanup; preserve fire alarm latch, CMD_FIRE_ALARM, and ESTOP maintenance logic.
Co-authored-by: Cursor <cursoragent@cursor.com>
Replace outdated files with the latest working tree from fork/CCSModuleSW30Web to align source and generated artifacts.
Co-authored-by: Cursor <cursoragent@cursor.com>