feat: redesign CMS and unify German admin UI

lib/calendar/adminFeed.ts

@@ -11,13 +11,13 @@ const WINDOW_FUTURE_MS = 400 * 24 * 60 * 60 * 1000;
 
 /**
  * Builds the calendar entries for Anna's personal ICS feed: confirmed
- * bookings (never pending ones) plus standalone public events — onsite and
+ * bookings (never pending ones) plus standalone public events - onsite and
  * online alike. Deliberately never includes the meeting password anywhere
  * in the output, only a link to the protected join page.
  *
  * Local API is used with the default overrideAccess: true because this is
  * only ever reached after the caller already verified the feed's secret
- * token (see app/(frontend)/calendar/[tokenFile]/route.ts) — equivalent
+ * token (see app/(frontend)/calendar/[tokenFile]/route.ts) - equivalent
  * trust to the existing admin calendar view.
  */
 export async function getAdminFeedICSEvents(payload: Payload): Promise<ICSEvent[]> {
@@ -83,7 +83,7 @@ export async function getAdminFeedICSEvents(payload: Payload): Promise<ICSEvent[
       end: new Date(b.endTime),
       summary: offer?.title ?? "Termin",
       description: description || undefined,
-      // Vor Ort: vollständige Adresse. Online: literal "Online" — never the
+      // Vor Ort: vollständige Adresse. Online: literal "Online" - never the
       // meeting password, which is intentionally not part of this feed.
       location: isOnline ? "Online" : fullAddress || undefined,
       url,