总览：平仓按钮移到操作列，表格居中。

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

static/hub.js

@@ -24,39 +24,19 @@
       .replace(/"/g, """);
   }
 
-  function positionSummary(brief, instanceId, online) {
+  function positionSummary(brief) {
     const list = brief || [];
     if (!list.length) return '<span class="muted">暂无持仓</span>';
     const items = list.slice(0, 8).map(function (p) {
       const id = p.inst_id || "";
       const sheets = escapeHtml(String(p.sheets != null ? p.sheets : "—"));
-      const invalid = !!(p.bid_invalid || (p.bid_px == null && (p.bid_sz == null || p.bid_sz === "")));
-      const reason = (p.bid_invalid_reason || "买一无效,禁止平仓").toString();
-      let closeBtn = "";
-      if (online && id) {
-        if (invalid) {
-          closeBtn =
-            '<button type="button" class="btn btn-sm btn-danger" disabled title="' +
-            escapeHtml(reason) +
-            '">平仓</button>';
-        } else {
-          closeBtn =
-            '<button type="button" class="btn btn-sm btn-danger" data-close-inst="' +
-            encodeURIComponent(String(instanceId)) +
-            '" data-close-opt="' +
-            encodeURIComponent(id) +
-            '" title="买一限价全平">平仓</button>';
-        }
-      }
       return (
-        "<li><span class=\"pos-brief-main\">" +
+        "<li>" +
         escapeHtml(id) +
         " · " +
         sheets +
         "张 · " +
         fmtPnlHtml(p.pnl_usdt) +
-        "</span>" +
-        closeBtn +
         "</li>"
       );
     });
@@ -67,6 +47,42 @@
     return "<ul class=\"pos-brief\">" + items.join("") + more + "</ul>";
   }
 
+  function closeActionButtons(brief, instanceId, online) {
+    if (!online) return "";
+    const list = (brief || []).filter(function (p) {
+      return !!(p && p.inst_id);
+    });
+    if (!list.length) return "";
+    return list
+      .slice(0, 8)
+      .map(function (p) {
+        const id = p.inst_id || "";
+        const invalid = !!(
+          p.bid_invalid ||
+          (p.bid_px == null && (p.bid_sz == null || p.bid_sz === ""))
+        );
+        const reason = (p.bid_invalid_reason || "买一无效,禁止平仓").toString();
+        const tip = list.length > 1 ? id + " · 买一限价全平" : "买一限价全平";
+        if (invalid) {
+          return (
+            '<button type="button" class="btn btn-danger" disabled title="' +
+            escapeHtml(reason) +
+            '">平仓</button>'
+          );
+        }
+        return (
+          '<button type="button" class="btn btn-danger" data-close-inst="' +
+          encodeURIComponent(String(instanceId)) +
+          '" data-close-opt="' +
+          encodeURIComponent(id) +
+          '" title="' +
+          escapeHtml(tip) +
+          '">平仓</button>'
+        );
+      })
+      .join("");
+  }
+
   function fmtBidPx(v) {
     if (v == null || v === "") return "—";
     const n = Number(v);
@@ -148,7 +164,7 @@
       fmtPnlHtml(pnl) +
       "</td>" +
       "<td>" +
-      positionSummary(brief, row.id, online) +
+      positionSummary(brief) +
       "</td>" +
       "<td>" +
       bidLiquiditySummary(brief) +
@@ -163,6 +179,7 @@
       '<button type="button" class="btn" data-open-tab="' +
       encodeURIComponent(row.id) +
       '">新标签</button>' +
+      closeActionButtons(brief, row.id, online) +
       "</div></td>" +
       "</tr>"
     );