Add trailing BE to SL/TP dialog and speed up position refresh.

Use modal for monitor upsert with trailing checkbox, refresh CTP tick every second, and push full snapshot after orders.

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

templates/trade.html

@@ -269,6 +269,31 @@
             </div>
     </div>
 </div>
+
+<div id="sl-tp-modal" class="modal-mask" role="dialog" aria-labelledby="sl-tp-modal-title">
+    <div class="modal-box sl-tp-modal">
+        <h3 id="sl-tp-modal-title">设置止盈止损</h3>
+        <div class="sl-tp-modal-fields">
+            <div class="trade-field">
+                <label class="text-label" for="sl-tp-modal-sl">止损</label>
+                <input type="number" id="sl-tp-modal-sl" step="any" placeholder="必填（移动保本须填止损）">
+            </div>
+            <div class="trade-field" id="sl-tp-modal-tp-wrap">
+                <label class="text-label" for="sl-tp-modal-tp">止盈</label>
+                <input type="number" id="sl-tp-modal-tp" step="any" placeholder="可留空">
+            </div>
+            <label class="trailing-be-toggle sl-tp-modal-trailing">
+                <input type="checkbox" id="sl-tp-modal-trailing">
+                <span>移动保本</span>
+            </label>
+            <p class="hint" id="sl-tp-modal-trailing-hint" hidden>开启后不设固定止盈；达 1R 后止损移至开仓价 ± 缓冲跳</p>
+        </div>
+        <div class="sl-tp-modal-actions">
+            <button type="button" class="btn-secondary" id="sl-tp-modal-cancel">取消</button>
+            <button type="button" class="btn-primary" id="sl-tp-modal-save">保存</button>
+        </div>
+    </div>
+</div>
 {% endblock %}
 {% block extra_js %}
 <script type="application/json" id="trade-page-data">{{ {