feat(core): 新增核心工具模块并优化通知功能

- 新增 cores.tsx 文件，实现核心工具模块
- 添加任务列表和事件总线功能
- 实现系统通知和任务处理逻辑
- 在 App.vue 中集成新功能
- 优化通知显示逻辑，支持不同内容类型的通知

web/src/utils/cores.tsx

@@ -0,0 +1,57 @@
+import mitt, { Emitter } from 'mitt';
+
+export interface TaskProps {
+	name: string;
+	custom?: any;
+}
+
+// 定义自定义事件类型
+export type BusEvents = {
+	onNewTask: TaskProps | undefined;
+};
+
+export interface Task {
+	id: number;
+	handle: string;
+	data: any;
+	createTime: Date;
+	custom?: any;
+}
+
+export interface Core {
+	bus: Emitter<BusEvents>;
+	// eslint-disable-next-line no-unused-vars
+	showNotification(body: string, title?: string): Notification | undefined;
+	taskList: Map<String, Task>;
+}
+
+const bus = mitt<BusEvents>();
+export function getSystemNotification(body: string, title?: string) {
+	if (!title) {
+		title = '通知';
+	}
+	return new Notification(title ?? '通知', {
+		body: body,
+	});
+}
+export function showSystemNotification(body: string, title?: string): Notification | undefined {
+	if (Notification.permission === 'granted') {
+		return getSystemNotification(body, title);
+	} else if (Notification.permission !== 'denied') {
+		Notification.requestPermission().then((permission) => {
+			if (permission === 'granted') {
+				return getSystemNotification(body, title);
+			}
+		});
+	}
+	return void 0;
+}
+const taskList = new Map<String, Task>();
+
+export function useCore(): Core {
+	return {
+		bus,
+		showNotification: showSystemNotification,
+		taskList,
+	};
+}