v0.12.4

What's Changed

• fix(desktop): make retained ownership reboot-safe by @ramtinJ95 in #229
• test(vm): add opt-in native-window installer probe by @ramtinJ95 in #230
• test(vm): qualify reusable Homebrew test guests by @ramtinJ95 in #231
• test(vm): enforce disposable-guest test isolation by @ramtinJ95 in #232
• fix(setup): close first-user onboarding failure paths by @ramtinJ95 in #233
• test(vm): add verification CLI and shared feature-map skill by @ramtinJ95 in #235
• feat(themes): add Tokyo Night Liftoff wallpaper by @ramtinJ95 in #237
• fix(herdr): preserve theme switching across reboots by @ramtinJ95 in #238

Full Changelog: v0.12.3...v0.12.4