feat(pickup): 支持线下提号 CSV 导出

backend/internal/router/router.go

@@ -840,6 +840,7 @@ func New(cfg config.Config, deps Dependencies, logger *zap.Logger) *gin.Engine {
 			// 管理员线下提号（独立于正常订单流程）
 			adminRoutes.POST("/pickups", requirePerm("order:pickup"), pickupHandler.Create)
 			adminRoutes.GET("/pickups", requirePerm("order:pickup"), pickupHandler.List)
+			adminRoutes.GET("/pickups/export", requirePerm("order:pickup"), pickupHandler.Export)
 			adminRoutes.GET("/pickups/shop-options", requirePerm("order:pickup"), pickupHandler.ShopOptions)
 			adminRoutes.GET("/pickups/shops", requirePerm("order:pickup"), pickupHandler.ListShops)
 			adminRoutes.POST("/pickups/shops", requirePerm("order:pickup"), pickupHandler.CreateShop)