Refresh env UI on trade-mode change; hide hedge review tabs in options mode.

Co-authored-by: Cursor <cursoragent@cursor.com>

lib/instance/templates/env_config_panel.html

@@ -16,7 +16,11 @@
     </div>
 
     {% if env_config_groups %}
-    <div class="env-config-body card" data-env-ssr="1" id="env-config-body">
+    {% set ns = namespace(mode_idx=0) %}
+    {% for group in env_config_groups %}
+      {% if '期权/对冲模式' in (group.title or '') %}{% set ns.mode_idx = loop.index0 %}{% endif %}
+    {% endfor %}
+    <div class="env-config-body card" data-env-ssr="1" id="env-config-body" data-env-mode-section-idx="{{ ns.mode_idx }}">
         {% for group in env_config_groups %}
         <input type="radio" name="env-section" id="env-sec-{{ loop.index0 }}" class="env-tab-radio"{% if loop.first %} checked{% endif %}>
         {% endfor %}