优化: 收藏置顶项背景加重并加服务器一键全连

- 置顶项背景改用 --color-primary-light-1 对齐服务器列表焦点色
- 服务器管理菜单新增一键全连，全连后恢复原焦点
- 修复连 B 失败后焦点回落 A 状态点误染红（改用 per-profile 状态）

frontend/src/components/FileSystem/components/Sidebar.vue

@@ -209,6 +209,9 @@
       <div class="settings-item" @click="$emit('openConnectionDialog'); settingsOpen = false">
         <icon-plus /> 添加服务器
       </div>
+      <div class="settings-item" @click="connectAllServers">
+        <icon-link /> 一键全连
+      </div>
       <div class="settings-item" @click="toggleAutoConnect">
         <icon-check-circle :style="{ opacity: autoConnect ? 1 : 0.3 }" />
         启动时自动连接所有服务器
@@ -238,7 +241,7 @@ import type { SidebarConfig, FavoriteFile } from '@/types/file-system'
 import type { SystemInfo } from '@/api/connection-manager'
 import { connectionManager } from '@/api/connection-manager'
 import { useConfigStore } from '@/stores/config'
-import { IconStar, IconClose, IconPushpin, IconEdit, IconMore, IconDown, IconRight, IconStorage, IconComputer, IconDesktop, IconPlus, IconCheckCircle } from '@arco-design/web-vue/es/icon'
+import { IconStar, IconClose, IconPushpin, IconEdit, IconMore, IconDown, IconRight, IconStorage, IconComputer, IconDesktop, IconPlus, IconCheckCircle, IconLink } from '@arco-design/web-vue/es/icon'
 import { getFileIcon } from '@/utils/fileUtils'
 
 const configStore = useConfigStore()
@@ -379,6 +382,25 @@ function toggleServerVisibility(id: string) {
   localStorage.setItem('desk:hiddenServers', JSON.stringify(hiddenServerIds.value))
 }
 
+// 一键全连：并发连接所有可见的非本地服务器（连接池模式，已连的探测复用），
+// 全部落地后恢复原焦点，不打扰当前视图
+const connectingAll = ref(false)
+async function connectAllServers() {
+  if (connectingAll.value) return
+  settingsOpen.value = false
+  connectingAll.value = true
+  const prevActive = activeId.value
+  try {
+    const targets = visibleProfiles.value.filter(p => p.type !== 'local')
+    await Promise.allSettled(targets.map(p => connectionManager.connect(p.id)))
+    if (prevActive && profiles.value.some(p => p.id === prevActive)) {
+      await connectionManager.connect(prevActive).catch(() => {})
+    }
+  } finally {
+    connectingAll.value = false
+  }
+}
+
 // 监听连接变化 + 系统信息变化
 connectionManager.onStateChange(() => {
   profiles.value = connectionManager.profiles
@@ -541,7 +563,9 @@ function sysInfo(profileId: string): SystemInfo | undefined {
 
 function stateDotClass(profileId: string): string {
   if (profileId === activeId.value) {
-    const state = connectionManager.state
+    // 用 per-profile 状态而非全局 state：全局 state 只描述最近一次连接尝试，
+    // 连 B 失败后全局停在 error，焦点回落 A 会把 A 误染红
+    const state = connectionManager.getProfileState(profileId).state
     if (state === 'connected') return 'connected'
     if (state === 'connecting') return 'connecting'
     if (state === 'error') return 'error'
@@ -602,7 +626,8 @@ function formatBytes(n: number): string {
 
 function stateText(profileId: string): string {
   if (profileId === activeId.value) {
-    const s = connectionManager.state
+    // 同 stateDotClass：per-profile 状态不随连接尝试漂移
+    const s = connectionManager.getProfileState(profileId).state
     if (s === 'connected') return '已连接'
     if (s === 'connecting') return '连接中...'
     if (s === 'error') return '连接失败'
@@ -964,7 +989,7 @@ function onSrvCtxVisible(index: number, visible: boolean) {
 }
 
 .sidebar-item-pinned {
-  background: var(--arcoblue-1);
+  background: var(--color-primary-light-1);
   border-radius: 0;
 }