Kill switch button
High-stakes instant-disable control. First tap arms the switch; the user must then type the flag key exactly to enable the destructive confirm. The armed surface is wrapped in role='alert' for aria-live screen-reader announcement and the confirm button stays disabled until the phrase matches.
Kill switch button is a reusable Oak Flats Muffler Men UI primitive with documented states, accessibility expectations, theme behavior, and implementation evidence.
Kill switch button: High-stakes instant-disable control. First tap arms the switch; the user must then type the flag key exactly to enable the destructive confirm. The armed surface is wrapped in role='alert' for aria-live screen-reader announcement and the confirm button stays disabled until the phrase matches.