Add global command channel rules and enhance command handling

- Introduced global command channel whitelist and blacklist in the GuildSettings model for improved command access control.
- Implemented command gate logic in the command routing to handle channel and role restrictions, providing user feedback for denied commands.
- Enhanced the CommandsManager component to support global rules and channel/role selection, improving the user interface for managing command permissions.
- Updated localization files to include new keys for global command rules and related messages, ensuring clarity in user interactions.

docs/PHASE-TRACKING.md

@@ -88,6 +88,22 @@
 - Musik- und KI-Modul (nur auf Zuruf)
 - Premium-Zahlungsanbindung
 
+## Post-Phase – Command-Global-Rules + Channel-Picker (Status: implementiert)
+
+### Abgeschlossen (Code)
+
+- Globale Command Channel-Whitelist/-Blacklist in `GuildSettings` + Commands-UI
+- Searchable Multi-Select für Kanäle/Rollen (statt Raw-IDs) auf der Commands-Seite
+- APIs: `/commands/globals`, `/channels`, `/roles`
+- Bot erzwingt globale + per-Command Channel/Role/Cooldown-Regeln in `routeCommand`
+- Migration `20260722210000_command_global_channels`
+
+### Manuell testen
+
+- [ ] Commands: globale Whitelist/Blacklist speichern, in Discord prüfen
+- [ ] Per-Command Channel/Rollen per Dropdown setzen
+- [ ] Deaktivierter Command / Cooldown antwortet ephemeral
+
 ## Nächster geplanter Schritt
 
 - Deploy auf Traefik-Server manuell verifizieren; danach ggf. `deploy` → `main` mergen (nur auf Freigabe).