fix(branding): rename ManaContacts to Kontakte

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

apps/manacore/apps/landing/src/pages/apps/index.astro

@@ -32,7 +32,7 @@ const sections: Section[] = [
     apps: [
       { name: 'ManaTodo', icon: 'ph:check-square-bold', tagline: 'Aufgaben', url: 'https://todo.mana.how' },
       { name: 'ManaCalendar', icon: 'ph:calendar-bold', tagline: 'Kalender', url: 'https://calendar.mana.how' },
-      { name: 'ManaContacts', icon: 'ph:address-book-bold', tagline: 'Kontakte', url: 'https://contacts.mana.how' },
+      { name: 'Kontakte', icon: 'ph:address-book-bold', tagline: 'Kontakte', url: 'https://contacts.mana.how' },
       { name: 'ManaStorage', icon: 'ph:cloud-bold', tagline: 'Cloud-Speicher', url: 'https://storage.mana.how' },
       { name: 'Inventar', icon: 'ph:package-bold', tagline: 'Inventar', url: 'https://inventar.mana.how' },
     ],

apps/manacore/apps/web/src/lib/config/apps.ts

@@ -343,7 +343,7 @@ export const appConfigs: Record<string, AppConfig> = {
 
 	contacts: {
 		name: 'contacts',
-		displayName: 'ManaContacts',
+		displayName: 'Kontakte',
 		tagline: 'Kontaktverwaltung',
 		description: 'Verwalte deine Kontakte übersichtlich mit Gruppen, Tags und Notizen.',
 		logoEmoji: '👥',

packages/shared-branding/src/mana-apps.ts

@@ -242,7 +242,7 @@ export const MANA_APPS: ManaApp[] = [
 	},
 	{
 		id: 'contacts',
-		name: 'ManaContacts',
+		name: 'Kontakte',
 		description: {
 			de: 'Kontaktverwaltung',
 			en: 'Contact Management',