feat: extend floor screen sync to product screen and increase refresh frequency to 5 seconds

static/src/app/screens/floor_screen/floor_screen_sync_patch.js

@@ -52,12 +52,14 @@
  */
 
 import { FloorScreen } from "@pos_restaurant/app/screens/floor_screen/floor_screen";
+import { ProductScreen } from "@point_of_sale/app/screens/product_screen/product_screen";
 import { PosStore } from "@point_of_sale/app/services/pos_store";
 import { patch } from "@web/core/utils/patch";
 import { onMounted, onWillUnmount } from "@odoo/owl";
 
 // Auto-refresh interval (avoid numeric separators for WebView < 75 compat)
-const AUTO_REFRESH_INTERVAL_MS = 30000;
+// Reduced to 5 seconds to minimize data collision during active multi-device use on the same table.
+const AUTO_REFRESH_INTERVAL_MS = 5000;
 
 // ─── PosStore patch ───────────────────────────────────────────────────────────
 patch(PosStore.prototype, {
@@ -66,6 +68,7 @@ patch(PosStore.prototype, {
      * Guards against double-initialisation (e.g. if FloorScreen unmounts/remounts).
      */
     setupSyncRefresh() {
+        this._syncRefreshRefs = (this._syncRefreshRefs || 0) + 1;
         if (this._syncRefreshInitialized) {
             return;
         }
@@ -104,6 +107,11 @@ patch(PosStore.prototype, {
      * Remove all timers and event listeners. Called from FloorScreen.onWillUnmount.
      */
     destroySyncRefresh() {
+        this._syncRefreshRefs = Math.max(0, (this._syncRefreshRefs || 0) - 1);
+        if (this._syncRefreshRefs > 0) {
+            return; // Keep running if another screen still needs it
+        }
+
         if (this._autoRefreshInterval) {
             clearInterval(this._autoRefreshInterval);
             this._autoRefreshInterval = null;
@@ -142,9 +150,9 @@ patch(PosStore.prototype, {
             return;
         }
 
-        // Guard 3: only on FloorScreen
+        // Guard 3: only on FloorScreen or ProductScreen
         const screenName = this.router?.state?.current;
-        if (!screenName || screenName !== "FloorScreen") {
+        if (!screenName || !["FloorScreen", "ProductScreen"].includes(screenName)) {
             return;
         }
 
@@ -208,3 +216,18 @@ patch(FloorScreen.prototype, {
         return super.onClickTable(table, ev);
     },
 });
+
+// ─── ProductScreen patch ──────────────────────────────────────────────────────
+patch(ProductScreen.prototype, {
+    setup() {
+        super.setup(...arguments);
+
+        onMounted(() => {
+            this.pos.setupSyncRefresh();
+        });
+
+        onWillUnmount(() => {
+            this.pos.destroySyncRefresh();
+        });
+    },
+});