Improve code and type safety

frontend/electron/main.ts

@@ -1,5 +1,6 @@
 import { app, BrowserWindow, Notification, ipcMain } from 'electron';
 import path from "node:path";
+import { NotificationShowOptions } from '../electron';
 
 let mainWindow: BrowserWindow | null = null;
 
@@ -35,7 +36,7 @@ app.whenReady().then(() => {
     });
 
     // Handle showing notifications
-    ipcMain.handle('show-notification', async (event, options) => {
+    ipcMain.handle('show-notification', async (event, options: NotificationShowOptions) => {
         if (Notification.isSupported()) {
             try {
                 const notification = new Notification({

frontend/electron/preload.ts

@@ -1,13 +1,11 @@
 import { contextBridge, ipcRenderer } from "electron";
 import type { ElectronInterface, Platform } from "../electron";
 
-const electronInterface: ElectronInterface = {
+contextBridge.exposeInMainWorld("electronInterface", {
     desktop: true,
     platform: process.platform as Platform,
     notifications: {
         requestPermission: () => ipcRenderer.invoke('request-notification-permission'),
-        show: (options: any) => ipcRenderer.invoke('show-notification', options)
+        show: (options) => ipcRenderer.invoke('show-notification', options)
     }
-}
-
-contextBridge.exposeInMainWorld("electronInterface", electronInterface);
+} satisfies ElectronInterface);