feat: 添加通知模块的 API 处理器和路由配置

internal/handler/notification_handler.go

@@ -205,11 +205,10 @@ func (h *NotificationHandler) CreateNotification(c *gin.Context) {
 	api.Created(c, notification)
 }
 
-// RegisterRoutes registers all notification routes to the given router group
-func (h *NotificationHandler) RegisterRoutes(rg *gin.RouterGroup) {
+// RegisterUserRoutes registers notification routes for regular users
+func (h *NotificationHandler) RegisterUserRoutes(rg *gin.RouterGroup) {
 	notifications := rg.Group("/notifications")
 	{
-		notifications.POST("", h.CreateNotification)
 		notifications.GET("", h.GetNotifications)
 		notifications.GET("/unread-count", h.GetUnreadCount)
 		notifications.PUT("/:id/read", h.MarkAsRead)
@@ -217,3 +216,11 @@ func (h *NotificationHandler) RegisterRoutes(rg *gin.RouterGroup) {
 		notifications.DELETE("/:id", h.DeleteNotification)
 	}
 }
+
+// RegisterAdminRoutes registers notification routes for admin/system use
+func (h *NotificationHandler) RegisterAdminRoutes(rg *gin.RouterGroup) {
+	notifications := rg.Group("/notifications")
+	{
+		notifications.POST("", h.CreateNotification)
+	}
+}