fix(core): improve shutdown cleanup, socket/stream robustness, and memory/cache handling

ts/storage/classes.storagemanager.ts

@@ -30,6 +30,7 @@ export type StorageBackend = 'filesystem' | 'custom' | 'memory';
  * Provides unified key-value storage with multiple backend support
  */
 export class StorageManager {
+  private static readonly MAX_MEMORY_ENTRIES = 10_000;
   private backend: StorageBackend;
   private memoryStore: Map<string, string> = new Map();
   private config: IStorageConfig;
@@ -227,6 +228,11 @@ export class StorageManager {
         
         case 'memory': {
           this.memoryStore.set(key, value);
+          // Evict oldest entries if memory store exceeds limit
+          while (this.memoryStore.size > StorageManager.MAX_MEMORY_ENTRIES) {
+            const firstKey = this.memoryStore.keys().next().value;
+            this.memoryStore.delete(firstKey);
+          }
           break;
         }