- AddWindowsSheet: 5-step Lyra flow (download → datei → shield-check → wifi → done) - devices.tsx: Windows button enabled, opens AddWindowsSheet - protectedDevices store: enroll() takes platform 'mac' | 'windows' - AddMacSheet: pass 'mac' to enroll() Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>