Add Phase 5 enhancements: security, i18n, analysis, backup, notifications

- Database v8 migration: tags, pinned, avg_startup_ms columns
- Security scanning with CVE matching and batch scan
- Bundled library extraction and vulnerability reports
- Desktop notification system for security alerts
- Backup/restore system for AppImage configurations
- i18n framework with gettext support
- Runtime analysis and Wayland compatibility detection
- AppStream metadata and Flatpak-style build support
- File watcher module for live directory monitoring
- Preferences panel with GSettings integration
- CLI interface for headless operation
- Detail view: tabbed layout with ViewSwitcher in title bar,
  health score, sandbox controls, changelog links
- Library view: sort dropdown, context menu enhancements
- Dashboard: system status, disk usage, launch history
- Security report page with scan and export
- Packaging: meson build, PKGBUILD, metainfo

src/core/duplicates.rs

@@ -405,6 +405,14 @@ mod tests {
             update_checked: None,
             update_url: None,
             notes: None,
+            sandbox_mode: None,
+            runtime_wayland_status: None,
+            runtime_wayland_checked: None,
+            analysis_status: None,
+            launch_args: None,
+            tags: None,
+            pinned: false,
+            avg_startup_ms: None,
         };
 
         assert_eq!(