Add web worker initialization

src/services/database.service.ts

@@ -25,35 +25,35 @@ export class Database {
     return Database.instance;
   }
 
-  // Initialize the database
-  private async init(): Promise<void> {
-    return new Promise((resolve, reject) => {
-      const request = indexedDB.open(this.dbName, this.dbVersion);
+  // ============================================
+  // INDEXEDDB WEB WORKER
+  // ============================================
 
-      request.onupgradeneeded = () => {
-        const db = request.result;
+  private initIndexedDBWorker(): void {
+    this.indexedDBWorker = new Worker(new URL('../workers/indexeddb.worker.js', import.meta.url), { type: 'module' });
+    
+    this.indexedDBWorker.onmessage = (event) => {
+      const { id, type, result, error } = event.data;
+      const pending = this.pendingMessages.get(id);
+      
+      if (pending) {
+        this.pendingMessages.delete(id);
+        
+        if (type === 'SUCCESS') {
+          pending.resolve(result);
+        } else if (type === 'ERROR') {
+          pending.reject(new Error(error));
+        }
+      }
+    };
 
-        Object.values(this.storeDefinitions).forEach(({ name, options, indices }) => {
-          if (!db.objectStoreNames.contains(name)) {
-            let store = db.createObjectStore(name, options as IDBObjectStoreParameters);
+    this.indexedDBWorker.onerror = (error) => {
+      console.error('[Database] IndexedDB Worker error:', error);
+    };
+  }
 
-            indices.forEach(({ name, keyPath, options }) => {
-              store.createIndex(name, keyPath, options);
-            });
-          }
-        });
-      };
-
-      request.onsuccess = async () => {
-        this.db = request.result;
-        resolve();
-      };
-
-      request.onerror = () => {
-        console.error('Database error:', request.error);
-        reject(request.error);
-      };
-    });
+  private async waitForWorkerReady(): Promise<void> {
+    return this.sendMessageToWorker('INIT', {});
   }
 
   public async getDb(): Promise<IDBDatabase> {