refactor(group): Refactor grouping to add logic and optimize validation rules.

- Remove direct database operations and use groupRepository instead.
- Use notifyStore to unify notification messages.

src/components/notify/notifyStore.ts

@@ -0,0 +1,39 @@
+import { reactive } from 'vue'
+
+export interface NotifyOptions {
+    color?: string
+    timeout?: number
+    variant?: string
+}
+
+// 通知对象
+export interface NotifyItem {
+    id: number
+    message: string
+    color: string
+    timeout: number
+    variant: string
+}
+
+// 队列状态
+export const notifyQueue = reactive<NotifyItem[]>([])
+
+// 全局可调用 notify
+let nextId = 1
+export function notify(message: string, options?: NotifyOptions) {
+    const id = nextId++
+    const item: NotifyItem = {
+        id,
+        message,
+        color: options?.color ?? 'success',
+        timeout: options?.timeout ?? 3000,
+        variant: options?.variant ?? 'outlined'
+    }
+    notifyQueue.push(item)
+
+    // 自动移除
+    setTimeout(() => {
+        const index = notifyQueue.findIndex(i => i.id === id)
+        if (index !== -1) notifyQueue.splice(index, 1)
+    }, item.timeout)
+}