refactor: fix memory leak in auth-modal, consolidate escapeHTML helper across 11 components

js/services/conversations.js

@@ -175,31 +175,6 @@ class ConversationsService {
     notifySubscribers() {
         this.subscribers.forEach(cb => cb())
     }
-
-    formatMessageTime(timestamp, locale = 'de-DE') {
-        const date = new Date(timestamp)
-        const now = new Date()
-        const diff = now - date
-        
-        if (diff < 60000) {
-            return 'Gerade eben'
-        }
-        
-        if (diff < 3600000) {
-            const mins = Math.floor(diff / 60000)
-            return `vor ${mins} Min.`
-        }
-        
-        if (diff < 86400000 && date.getDate() === now.getDate()) {
-            return date.toLocaleTimeString(locale, { hour: '2-digit', minute: '2-digit' })
-        }
-        
-        if (diff < 604800000) {
-            return date.toLocaleDateString(locale, { weekday: 'short', hour: '2-digit', minute: '2-digit' })
-        }
-        
-        return date.toLocaleDateString(locale, { day: '2-digit', month: '2-digit', year: '2-digit' })
-    }
 }
 
 export const conversationsService = new ConversationsService()