新增访客黑名单：支持拉黑 IP/设备并管理列表

工作台可按 IP 或设备拉黑并填写释放时间与原因；侧栏黑名单页查看与解除；进线自动拦截。

server/internal/handler/router.go

@@ -20,6 +20,7 @@ func SetupRoutes(r *gin.Engine, store storage.ObjectStorage, storageCfg config.S
 	channel := NewChannelHandler()
 	settings := NewSettingsHandler()
 	staff := NewStaffHandler()
+	blacklist := NewBlacklistHandler()
 	wsHandler := NewWsHandler()
 	widget := NewWidgetHandler()
 	upload := NewUploadHandler(store, storageCfg)
@@ -87,6 +88,12 @@ func SetupRoutes(r *gin.Engine, store storage.ObjectStorage, storageCfg config.S
 		customers.PUT("/:id", customer.Update)
 		customers.DELETE("/:id", customer.Delete)
 
+		// 黑名单（拉黑 IP / 设备）
+		bl := authRequired.Group("/blacklist")
+		bl.GET("", blacklist.List)
+		bl.POST("", blacklist.Create)
+		bl.DELETE("/:id", blacklist.Delete)
+
 		// 客户标签库（管理员维护，全员可读可选）
 		ctags := authRequired.Group("/customer-tags")
 		ctags.GET("", customerTag.List)