refactor: db initialization

src/app/app.config.ts

@@ -1,15 +1,19 @@
 import { ApplicationConfig, inject, provideAppInitializer, provideBrowserGlobalErrorListeners } from '@angular/core';
 import { provideRouter } from '@angular/router';
-
 import { routes } from './app.routes';
 import { WebSqlite } from 'angular-web-sqlite';
 import { Sqlite } from './services/sqlite';
+import { tables } from '../migrations/20260117';
+
 
 export const appConfig: ApplicationConfig = {
   providers: [
-    provideAppInitializer(() => {
+    provideAppInitializer(async () => {
       const sqlite = inject(Sqlite);
-      return sqlite.initializeDatabase('gptdb').then( () => document.dispatchEvent(new CustomEvent('ng-boot')))
+      await sqlite.initializeDatabase('gptdb');
+      await sqlite.batchSqlOperations(tables);
+      await sqlite.executeQuery('PRAGMA foreign_keys = ON;');
+      document.dispatchEvent(new CustomEvent('ng-boot'));
     }),
     {provide: WebSqlite, useClass: WebSqlite},
     provideBrowserGlobalErrorListeners(),