introduce service plans

hub/services/templates/admin/services/service/change_form.html

@@ -0,0 +1,23 @@
+{% extends "admin/change_form.html" %}
+{% load static %}
+
+{% block extrahead %}
+{{ block.super }}
+<link rel="stylesheet" type="text/css" href="{% static 'admin/css/hide_inline_header.css' %}" />
+{% endblock %}
+
+{% block admin_change_form_document_ready %}
+{{ block.super }}
+<script>
+    django.jQuery(document).ready(function($) {
+        // Initialize collapse state for plan inlines
+        $('.plan-inline').addClass('collapsed');
+        
+        // Add custom styling to price inline tables
+        $('.price-inline').find('table').addClass('price-table');
+        
+        // Add helper text for default plan selection
+        $('.field-is_default').append('<p class="help">Only one plan can be default per service.</p>');
+    });
+</script>
+{% endblock %}