Kundenansicht: Protokoll-Collection customerViewLog mit Schreiben, Lesen und Loeschen nach 12 Monaten

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

server/services/appwriteAdmin.js

@@ -76,6 +76,7 @@ export const Query = {
   }),
   limit: (n) => ({ method: 'limit', values: [n] }),
   greaterThan: (attribute, value) => ({ method: 'greaterThan', attribute, values: [value] }),
+  lessThan: (attribute, value) => ({ method: 'lessThan', attribute, values: [value] }),
   orderDesc: (attribute) => ({ method: 'orderDesc', attribute }),
   orderAsc: (attribute) => ({ method: 'orderAsc', attribute }),
 }