feat(desktop): add custom notification sound

apps/desktop/src/main/lib/notification-sound.ts

@@ -0,0 +1,47 @@
+import { execFile } from "node:child_process";
+import { existsSync } from "node:fs";
+import { join } from "node:path";
+import { app } from "electron";
+
+/**
+ * Gets the path to the notification sound file.
+ * In development, reads from src/resources. In production, reads from the bundled resources.
+ */
+function getNotificationSoundPath(): string {
+	const isDev = !app.isPackaged;
+
+	if (isDev) {
+		return join(app.getAppPath(), "src/resources/sounds/notification.mp3");
+	}
+
+	return join(process.resourcesPath, "resources/sounds/notification.mp3");
+}
+
+/**
+ * Plays the custom notification sound.
+ * Uses platform-specific commands to play the audio file.
+ */
+export function playNotificationSound(): void {
+	const soundPath = getNotificationSoundPath();
+
+	if (!existsSync(soundPath)) {
+		console.warn(`[notification-sound] Sound file not found: ${soundPath}`);
+		return;
+	}
+
+	if (process.platform === "darwin") {
+		execFile("afplay", [soundPath]);
+	} else if (process.platform === "win32") {
+		execFile("powershell", [
+			"-c",
+			`(New-Object Media.SoundPlayer '${soundPath}').PlaySync()`,
+		]);
+	} else {
+		// Linux - try common audio players
+		execFile("paplay", [soundPath], (error) => {
+			if (error) {
+				execFile("aplay", [soundPath]);
+			}
+		});
+	}
+}

apps/desktop/src/main/windows/main.ts

@@ -8,6 +8,7 @@ import { createIPCHandler } from "trpc-electron/main";
 import { productName } from "~/package.json";
 import { setMainWindow } from "../lib/auto-updater";
 import { createApplicationMenu } from "../lib/menu";
+import { playNotificationSound } from "../lib/notification-sound";
 import {
 	type AgentCompleteEvent,
 	notificationsApp,
@@ -86,9 +87,11 @@ export async function MainWindow() {
 				body: isPermissionRequest
 					? `"${event.tabTitle}" needs your attention`
 					: `"${event.tabTitle}" has finished its task`,
-				silent: false,
+				silent: true,
 			});
 
+			playNotificationSound();
+
 			notification.on("click", () => {
 				window.show();
 				window.focus();