The system from the video. The router cuts the wifi to your phone and laptop. The Brick keeps your worst apps downstairs. At 21:30 the Mac warns you, then locks itself every five minutes until morning.
✓Schedule your router to cut the wifi to your phone and laptop
✓Keep the computer that works overnight online
✓Set up the Brick so your worst apps need a walk downstairs
✓The prompt that builds the night lock in Claude Code
✓A way to test it without locking yourself out
✓The fixes for a voice that goes quiet or a lock that never fires