save discount profile is now working perfectly well

assets/views/admin/catalog/_price_preview.html

@@ -0,0 +1,8 @@
+{# OOB fragment: effective-price cells recomputed from the unsaved profile
+   selection on the products page. Each span replaces the matching #eff-<id>
+   span in the table via htmx out-of-band swap. Rendered by
+   admin_products::profiles_preview. #}
+{% import "macros/ui.html" as ui %}
+{% for product in products %}
+<span id="eff-{{ product.id }}" hx-swap-oob="true">{{ ui::eff_price(p=product, preview=true) }}</span>
+{% endfor %}

assets/views/admin/catalog/products.html

@@ -40,6 +40,9 @@
   </p>
   {% if profiles | length > 0 %}
   <form method="post" action="/admin/catalog/products/profiles?audience={{ audience }}" class="mt-3 space-y-3"
+    hx-post="/admin/catalog/products/profiles/preview?audience={{ audience }}&category={{ selected_category }}"
+    hx-trigger="change"
+    hx-swap="none"
     x-data="{
       orig: { {% for p in profiles %}'{{ p.id }}': {% if p.assigned %}true{% else %}false{% endif %}{% if not loop.last %}, {% endif %}{% endfor %} },
       sel: { {% for p in profiles %}'{{ p.id }}': {% if p.assigned %}true{% else %}false{% endif %}{% if not loop.last %}, {% endif %}{% endfor %} },
@@ -113,12 +116,7 @@
           {% endif %}
         </td>
         <td class="px-4 py-3 tabular-nums">
-          {% if product.effective_reduced %}
-          <span class="font-medium text-primary dark:text-primary-dark">{{ product.effective_price }} {{ product.currency }}</span>
-          <span class="ml-1 text-xs text-on-surface/60 dark:text-on-surface-dark/60">(−{{ product.effective_percent_off }}%)</span>
-          {% else %}
-          {{ product.effective_price }} {{ product.currency }}
-          {% endif %}
+          <span id="eff-{{ product.id }}">{{ ui::eff_price(p=product) }}</span>
         </td>
         <td class="px-4 py-3 tabular-nums">{{ product.stock }}</td>
         <td class="px-4 py-3">