web permission system updated

web/templates/pages/admin/permissions/permissions.html

@@ -13,6 +13,8 @@
     <div class="actions"><a href="/admin">← Admin panel</a></div>
   </section>
 
+  {% if page.updated %}<p class="notice">Authorization updated. The current session remains valid and all subsequent requests use the new policy.</p>{% endif %}
+
   {% if page.can_manage_roles %}
   <section class="panel">
     <h2>Data roles</h2>

web/templates/pages/admin/table_definition/workspace.html

@@ -154,7 +154,7 @@
 {% if !page.permission_object.is_empty() %}
   <section class="panel">
     <h2>Data permissions for <code>{{ page.selection.table }}</code></h2>
-    <p class="hint">These grants cover this table family. A successful change retires the current session, so you will be asked to sign in again.</p>
+    <p class="hint">These grants cover this table family and take effect on subsequent requests without replacing the current session.</p>
     <table class="builder-table">
       <thead><tr><th>Role</th><th>Actions</th></tr></thead>
       <tbody>{% for role in page.role_permissions %}<tr>