fix: browse序号保护防止token刷新重试导致的双刷新

frontend/src/pages/FilesPage.vue

@@ -851,8 +851,12 @@ function openInTerminal() {
   })
 }
 
+// 序号保护：防止并发/重试请求导致旧结果覆盖新结果
+let _browseSeq = 0
+
 async function browse() {
   if (!selectedServer.value) return
+  const seq = ++_browseSeq
   loading.value = true
   const path = normalizeRemotePath(currentPath.value)
   currentPath.value = path
@@ -861,6 +865,8 @@ async function browse() {
       server_id: selectedServer.value,
       path,
     })
+    // 如果期间启动了更新的 browse（token刷新重试/快速导航），丢弃本次结果
+    if (seq !== _browseSeq) return
     const { items, error } = parseBrowseResponse(res)
 
     // Auto-fallback: if path doesn't exist, try parent directories automatically
@@ -886,11 +892,14 @@ async function browse() {
       preloadDirectoryFiles(selectedServer.value, path, items)
     }
   } catch {
+    if (seq !== _browseSeq) return
     files.value = []
     snackbar('浏览目录失败', 'error')
   } finally {
-    loading.value = false
+    if (seq === _browseSeq) {
-    syncRouteQuery()
+      loading.value = false
+      syncRouteQuery()
+    }
   }
 }