#Safety Philosophy

Kerfio controls a real CNC machine. Every movement can be dangerous.

Kerfio must always prefer:

stop
warn
confirm
validate
block unsafe action

over risky automation.

#Always Visible Safety Information

The app shell or active CNC section should always show:

• machine connection
• machine state
• current X/Y/Z
• pause/stop
• alarm state

#Actions Requiring Confirmation

The following actions must not happen silently:

• start job
• resume job
• machine movement from canvas
• set work zero
• home machine
• unlock machine
• soft reset
• probe cycle
• run macro with motion
• send raw G-code
• turn spindle/laser on
• run Kerf toolpath
• dry trace
• apply machine profile changes that affect motion

#Blocked Actions

Kerfio should block action when:

• machine is disconnected
• machine is alarmed
• job is already running
• target is out of bounds
• toolpath validation failed
• calibration is required but missing
• confirmation is missing
• machine profile is invalid