Have a tiny url state management by using replace_state of cable_ready

app/controllers/admin/products_v3_controller.rb

@@ -2,6 +2,9 @@
 
 module Admin
   class ProductsV3Controller < Spree::Admin::BaseController
-    def index; end
+    def index
+      @page = params[:page] || 1
+      @per_page = params[:per_page] || 15
+    end
   end
 end

app/reflexes/products_reflex.rb

@@ -28,6 +28,10 @@ class ProductsReflex < ApplicationReflex
                    locals: { products: @products, pagy: @pagy })
     ).broadcast
 
+    cable_ready.replace_state(
+      url: current_url,
+    ).broadcast_later
+
     morph :nothing
   end
 
@@ -60,4 +64,11 @@ class ProductsReflex < ApplicationReflex
       # ]
     ]
   end
+
+  def current_url
+    url = URI(request.original_url)
+    url.query = url.query.present? ? "#{url.query}&" : ""
+    url.query += "page=#{@page}&per_page=#{@per_page}"
+    url.to_s
+  end
 end

app/views/admin/products_v3/index.html.haml

@@ -10,7 +10,7 @@
 
 = render partial: 'spree/admin/shared/product_sub_menu'
 
-#products_v3_page{"data-controller": "products"}
+#products_v3_page{"data-controller": "products", "data-page": @page , "data-perpage": @per_page}
   #loading-spinner.spinner-container{ "data-controller": "loading" }
     .spinner
     = t('.loading')