Merged PR 1958: Refactoring Checkout: Migration von prozess-basierter zu warenkorb-basierter Architektur mit neuer Data-Access-Library und verbesserter Typsicherheit

refactor(checkout): migrate purchase options to shopping cart-based architecture
Replace processId with shoppingCartId in purchase options modal and related components
Add new checkout data-access library with facades, services, and schemas
Update PurchaseOptionsService to use new checkout facade pattern
Migrate state management from process-based to shopping cart-based approach
Update selectors and store to handle shoppingCartId instead of processId
Improve type safety with Zod schemas for checkout operations
Add proper error handling and logging throughout checkout services
Update article details and checkout review components to use new patterns
BREAKING CHANGE: Purchase options modal now requires shoppingCartId instead of processId

Related work items: #5350

libs/common/decorators/src/lib/cache.decorator.ts

@@ -84,10 +84,14 @@ export function Cache<T extends (...args: any[]) => any>(
         throw new Error('Cache map not initialized properly');
       }
 
+      const argsWithoutAbortSignal = args.filter(
+        (arg) => !(arg instanceof AbortSignal),
+      ) as Parameters<T>;
+
       // Generate cache key
       const key = options.keyGenerator
-        ? options.keyGenerator(...args)
-        : JSON.stringify(args);
+        ? options.keyGenerator(...argsWithoutAbortSignal)
+        : JSON.stringify(argsWithoutAbortSignal);
 
       // Check cache first
       const cached = instanceCache.get(key);

libs/common/decorators/src/lib/in-flight.decorator.ts

@@ -85,9 +85,13 @@ export function InFlight<T extends (...args: any[]) => Promise<any>>(
           throw new Error('In-flight map not initialized properly');
         }
 
+        const argsWithoutAbortSignal = args.filter(
+          (arg) => !(arg instanceof AbortSignal),
+        ) as Parameters<T>;
+
         const key = options.keyGenerator
-          ? options.keyGenerator(...args)
-          : JSON.stringify(args);
+          ? options.keyGenerator(...argsWithoutAbortSignal)
+          : JSON.stringify(argsWithoutAbortSignal);
 
         const existingRequest = instanceMap.get(key);
         if (existingRequest) {