修复中控自更新触发与错误提示；实例页改为表格，带鱼屏宽度锁 1800。

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

static/instances_page.js

@@ -7,9 +7,9 @@
     return branch + short + (v.dirty ? " (dirty)" : "");
   }
 
-  async function refreshVersion(card) {
-    const iid = card.getAttribute("data-id");
-    const verEl = card.querySelector("[data-inst-version]");
+  async function refreshVersion(row) {
+    const iid = row.getAttribute("data-id");
+    const verEl = row.querySelector("[data-inst-version]");
     if (!iid || !verEl) return;
     verEl.textContent = "…";
     verEl.className = "update-version muted";
@@ -49,13 +49,13 @@
 
   function boot() {
     bindTokenToggles(document);
-    document.querySelectorAll(".inst-card[data-id]").forEach(function (card) {
-      refreshVersion(card);
-      const btn = card.querySelector("[data-inst-refresh-ver]");
+    document.querySelectorAll("tr.inst-row[data-id]").forEach(function (row) {
+      refreshVersion(row);
+      const btn = row.querySelector("[data-inst-refresh-ver]");
       if (btn) {
         btn.addEventListener("click", function (e) {
           e.preventDefault();
-          refreshVersion(card);
+          refreshVersion(row);
         });
       }
     });