修复「重试卖回」按钮：有持仓时正确隐藏，标的按 BTC/ETH 残留与当前选择显示。

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

lib/options/templates/options_panel.html

@@ -198,7 +198,7 @@
                 <div class="options-pos-head-actions">
                     <div id="opt-spot-sell-head" class="opt-spot-sell-head" hidden>
                         <span class="opt-spot-sell-avail" id="opt-spot-sell-avail-text"></span>
-                        <button type="button" class="btn-primary opt-spot-sell-retry-btn" id="opt-spot-sell-retry-btn">重试卖回 ETH</button>
+                        <button type="button" class="btn-primary opt-spot-sell-retry-btn" id="opt-spot-sell-retry-btn">重试卖回</button>
                     </div>
                     <button type="button" class="btn-secondary opt-pos-refresh-btn" id="opt-refresh-positions" title="刷新" aria-label="刷新">↻</button>
                 </div>
@@ -356,4 +356,4 @@
     </div>
 </div>
 <script src="/static/options_expiry_countdown.js?v=1"></script>
-<script src="/static/options_panel.js?v=66"></script>
+<script src="/static/options_panel.js?v=67"></script>