WebSite Monitor v4.0.0(10) release with a refreshed Material Design 3 theme, edge‑to‑edge UI, improved menus and validation UX, and several stability/cleanup changes. 

*Key user‑facing changes*

- Modern Material 3 theming across the app
- Edge‑to‑edge status and navigation bars for a more immersive UI
- Theme selector: Light / Dark / System Default with consistent colors
- Cleaner item menus with visible icons
- Smoother list updates with per‑item refresh indicators
- Clearer offline handling and a safer notification permission flow
- General performance/stability polish

See Fastlane changelog: fastlane/metadata/android/en-US/changelogs/10.txt

**Technical changes**

- Version bump: versionName 4.0.0, versionCode 10 (gradle/libs.versions.toml)
- Lint/config cleanup in app/build.gradle.kts (shorter disable list; non‑fatal warnings)
- Styles: moved windowLightNavigationBar into values(-night)-v27; fixed “AppTheme should not extend itself”
- Menus: remove restricted MenuPopupHelper; use safe approach to show icons
- Validation: simplified “isValid” pattern to firstInvalidField approach
- Fixed issues #24 (closed)