Vertragsereignisse: Nachweise, Widerrufsfristen, Speicher-Aufgaben

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

server/config.js

@@ -94,6 +94,7 @@ export const config = {
     hourCredits: process.env.APPWRITE_COLLECTION_HOUR_CREDITS || 'hourCredits',
     takeoverCredits: process.env.APPWRITE_COLLECTION_TAKEOVER_CREDITS || 'takeoverCredits',
     aboOffers: process.env.APPWRITE_COLLECTION_ABO_OFFERS || 'aboOffers',
+    contractEvents: process.env.APPWRITE_COLLECTION_CONTRACT_EVENTS || 'contractEvents',
   },
 
   publicBaseUrl: (process.env.PORTAL_PUBLIC_URL || 'https://project.webklar.com').replace(/\/$/, ''),