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/common/static/instance_theme.css

@@ -5513,6 +5513,10 @@ html[data-theme="light"] .opt-source-badge--oo {
   gap: 10px;
   flex-wrap: wrap;
 }
+/* display:flex 会盖掉 UA [hidden] */
+.opt-spot-sell-head[hidden] {
+  display: none !important;
+}
 .opt-spot-sell-avail {
   font-size: 0.78rem;
   color: #c9d6f5;

lib/common/static/options_panel.js

@@ -2270,13 +2270,21 @@
   }
 
   function spotSellUnderlying(ss) {
-    if (!ss) return (state.underlying || "ETH").toUpperCase();
-    if (ss.bridge_underlying) return String(ss.bridge_underlying).toUpperCase();
+    const selected = (state.underlying || "ETH").toUpperCase();
+    if (!ss) return selected;
+    const bridgeUly = String(ss.bridge_underlying || "").trim().toUpperCase();
     const eth = Number(ss.trading_eth || 0);
     const btc = Number(ss.trading_btc || 0);
+    // 待卖回桥优先;否则优先当前选中标的上的残留,再比大小
+    if (bridgeUly === "BTC" || bridgeUly === "ETH") {
+      if (ss.bridge_status === "pending_sell_spot") return bridgeUly;
+    }
+    if (selected === "BTC" && btc > 1e-12) return "BTC";
+    if (selected === "ETH" && eth > 1e-12) return "ETH";
     if (btc > eth && btc > 1e-12) return "BTC";
     if (eth > 1e-12) return "ETH";
-    return (ss.default_underly || state.underlying || "ETH").toUpperCase();
+    if (bridgeUly === "BTC" || bridgeUly === "ETH") return bridgeUly;
+    return (ss.default_underly || selected || "ETH").toUpperCase();
   }
 
   function paintSpotSellBanner(d, positions) {
@@ -2784,6 +2792,8 @@
       btn.classList.add("active");
       state.underlying = btn.getAttribute("data-uly");
       loadChain();
+      // 切换 ETH/BTC 时重刷持仓区,以便「重试卖回」标的与当前选择同步
+      refreshAllPositions();
     });
   });