Add new features and enhancements to the WebUI and dashboard components

- Updated package.json to include new dependencies: `@radix-ui/react-dialog` and `cmdk`.
- Enhanced global styles in globals.css for improved visual depth in dark mode.
- Refactored dashboard page components to improve layout and accessibility, including new icons and responsive design adjustments.
- Implemented suspense handling in commands page for better loading states.
- Improved sidebar navigation with new icons and mobile responsiveness.
- Added FieldAnchor components across various forms for better accessibility and structure.
- Enhanced commands manager with search parameter handling for improved user experience.
- Updated multiple module forms to include FieldAnchor for consistent layout and accessibility.

docs/PHASE-TRACKING.md

@@ -67,6 +67,27 @@
 - Premium-Zahlungsanbindung
 - Externe Marketing-Landing auf `nexumi.de`
 
+## Post-Phase – Dashboard-UI + Command-Palette + Landing-Polish (Status: implementiert)
+
+### Abgeschlossen (Code)
+
+- Guild-/Owner-Shell: Branding, Sticky-Header, mobile Sidebar-Sheet, Overview-Polish
+- Globale Cmd/Ctrl+K-Suche: Seiten, Slash-Commands, Einstellungsfelder (Deep-Links)
+- Settings-Feld-Registry + Form-Anchors; Commands-Seite liest `?q=`
+- Plesk-Landing: Inter, Hero-Hierarchie, dezente Motion, Designsprache an WebUI
+
+### Manuell testen
+
+- [ ] Dashboard: Cmd/Ctrl+K → Seite, Command und Option navigieren (Hash-Scroll)
+- [ ] Mobile: Sidebar-Sheet + Such-Trigger
+- [ ] Overview und Owner-Panel Layout
+- [ ] Landing Light/Dark (`prefers-color-scheme`) + CTAs
+
+### Bewusst offen
+
+- Musik- und KI-Modul (nur auf Zuruf)
+- Premium-Zahlungsanbindung
+
 ## Nächster geplanter Schritt
 
 - Deploy auf Traefik-Server manuell verifizieren; danach ggf. `deploy` → `main` mergen (nur auf Freigabe).