Add CTP auto-connect toggle to stop off-hours reconnect attempts.

When disabled, disconnect immediately and skip auto-reconnect, premarket connect, and TCP probes that fail outside SimNow trading hours.

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

templates/trade.html

@@ -19,8 +19,11 @@
             {% endif %}
         </div>
         <div class="trade-top-bar-actions">
-            <button type="button" class="btn-primary btn-ctp-sm" id="btn-ctp-connect">{% if ctp_status.connected %}重连 CTP{% else %}连接 CTP{% endif %}</button>
-            <span class="text-muted trade-top-hint">断线自动重连 · 开盘前 30 分钟自动连接</span>
+            <button type="button" class="btn-primary btn-ctp-sm" id="btn-ctp-connect"
+                    {% if not ctp_auto_connect %}disabled title="请先在系统设置 → CTP 连接 中开启自动连接"{% endif %}>
+                {% if ctp_status.connected %}重连 CTP{% else %}连接 CTP{% endif %}
+            </button>
+            <span class="text-muted trade-top-hint" id="ctp-auto-hint">{% if ctp_auto_connect %}断线自动重连 · 开盘前 30 分钟自动连接{% else %}CTP 自动连接已关闭{% endif %}</span>
         </div>
     </div>
 
@@ -228,6 +231,7 @@ window.TRADE_FIXED_LOTS = {{ fixed_lots|tojson }};
 window.TRADE_FIXED_AMOUNT = {{ fixed_amount|tojson }};
 window.PRODUCT_CATEGORIES = {{ product_categories | default([]) | tojson }};
 window.__RECOMMEND_ROWS__ = {{ recommend_rows | default([]) | tojson }};
+window.CTP_AUTO_CONNECT = {{ ctp_auto_connect | tojson }};
 </script>
 <script src="{{ url_for('static', filename='js/trade.js') }}?v={{ asset_v }}"></script>
 {% endblock %}