refactored di into more composable parts

libs/core/di/src/factories/cache.factory.ts

@@ -0,0 +1,44 @@
+import type { AwilixContainer } from 'awilix';
+import { NamespacedCache, type CacheProvider } from '@stock-bot/cache';
+import type { ServiceDefinitions } from '../container/types';
+
+export class CacheFactory {
+  static createNamespacedCache(
+    baseCache: CacheProvider,
+    namespace: string
+  ): NamespacedCache {
+    return new NamespacedCache(baseCache, namespace);
+  }
+
+  static createCacheForService(
+    container: AwilixContainer<ServiceDefinitions>,
+    serviceName: string
+  ): CacheProvider | null {
+    const baseCache = container.cradle.cache;
+    if (!baseCache) return null;
+    
+    return this.createNamespacedCache(baseCache, serviceName);
+  }
+
+  static createCacheForHandler(
+    container: AwilixContainer<ServiceDefinitions>,
+    handlerName: string
+  ): CacheProvider | null {
+    const baseCache = container.cradle.cache;
+    if (!baseCache) return null;
+    
+    return this.createNamespacedCache(baseCache, `handler:${handlerName}`);
+  }
+
+  static createCacheWithPrefix(
+    container: AwilixContainer<ServiceDefinitions>,
+    prefix: string
+  ): CacheProvider | null {
+    const baseCache = container.cradle.cache;
+    if (!baseCache) return null;
+    
+    // Remove 'cache:' prefix if already included
+    const cleanPrefix = prefix.replace(/^cache:/, '');
+    return this.createNamespacedCache(baseCache, cleanPrefix);
+  }
+}

libs/core/di/src/factories/index.ts

@@ -0,0 +1 @@
+export { CacheFactory } from './cache.factory';