Enhance component message handling and introduce new features

- Added `ComponentMessageBinding` model to manage message components in the database.
- Updated `WelcomeConfig`, `Tag`, and `ScheduledMessage` models to support new component fields.
- Integrated component handling in various modules, including Scheduler and Tags, to improve message customization.
- Enhanced user experience by implementing new commands for creating and managing component messages in the utility module.
- Updated localization files to reflect new component-related features and improve user guidance.

docs/PHASE-TRACKING.md

@@ -170,6 +170,31 @@
 - [ ] Welcome: Liste aufklappen, Platzhalter kopieren, in Embed/Text einfügen
 - [ ] Tags/Birthdays/Leveling/Stats/Feeds/Scheduler: nur die jeweiligen Tokens sichtbar
 
+## Post-Phase – Components V2 (Status: implementiert, manuelle Tests offen)
+
+### Abgeschlossen (Code)
+
+- Shared Zod: `MessageComponentsV2` + Actions, `COMPONENTS_V2` für Welcome/Tags, Leave-Typen, custom_id `cv2:{source}:{ref}:{actionId}`
+- Prisma-Migration `20260722220000_components_v2`: `welcomeComponents`/`leaveType`/`leaveComponents`, `Tag.components`, `ScheduledMessage.components`, `ComponentMessageBinding`
+- Bot: `buildComponentsV2Payload`, Anbindung Welcome/Leave/Tags/Scheduler, Interaction-Handler, Dashboard-Send-Queue `messages`/`dashboardMessageSend`
+- Slash: `/embed builder` + `/embed components` (Quick-V2)
+- WebUI: `DiscordComponentsV2Builder`, Mode-Switches Welcome/Tags/Scheduler, Dashboard-Seite `/messages`
+
+### Manuell testen
+
+- [ ] Welcome V2 mit Container + Thumbnail-Section + Link-Button + Toggle-Role-Button
+- [ ] Tag V2 mit String-Select → ephemeral reply
+- [ ] Scheduler V2 Ankündigung
+- [ ] Dashboard Messages: Embed + Components V2 senden
+- [ ] Slash `/embed components`
+- [ ] Bestehende Embeds unverändert
+- [ ] Migration anwenden (`prisma migrate deploy`) und Bot/WebUI neu bauen
+
+### Bewusst offen
+
+- Modal-only Components, File-Component, Premium-Buttons (nicht im MVP)
+- Pixelgenaue Discord-Vorschau im Dashboard
+
 ## Nächster geplanter Schritt
 
 - Deploy auf Traefik-Server manuell verifizieren; danach ggf. `deploy` → `main` mergen (nur auf Freigabe).