feat: 新增通知服务，包含获取通知列表、未读计数以及标记通知为已读的功能。

src/services/notificationService.ts

@@ -31,7 +31,8 @@ export interface UnreadCountResponse {
 
 export const notificationService = {
     getNotifications: (page: number = 1, limit: number = 10, isRead?: boolean) => {
-        const params: Record<string, string | number | boolean> = { page, limit };
+        const offset = (page - 1) * limit;
+        const params: Record<string, string | number | boolean> = { offset, limit };
         if (isRead !== undefined) {
             params.is_read = isRead;
         }
@@ -47,6 +48,6 @@ export const notificationService = {
     },
 
     markAllAsRead: () => {
-        return api.put<{ success: boolean }>('/notifications/read-all');
+        return api.post<{ success: boolean }>('/notifications/read-all');
     }
 };