app.js

// Initialize IndexedDB Handler
const dbHandler = new IndexedDBHandler();
const state = new State(dbHandler); 
const dataProcessor = new DataProcessor(state); 
const fileHandler = new FileHandler(state); 
const uiManager = new UIManager(state, dataProcessor, fileHandler);

dataProcessor.setUIManager(uiManager);
fileHandler.setUIManager(uiManager);
fileHandler.setDataProcessor(dataProcessor);

state.loadInitialData().then(() => {
    console.log('Initial data loaded from IndexedDB');
    uiManager.initUI(); 
});