fix(frontend): allow per-row actions during batch edit in connections view

remove batch-mode disabling from each row's connect and more buttons in
the connections management page so users can keep multi-select context
while still operating on individual servers

update changelog entry to document the quick fix and affected file

.helloagents/CHANGELOG.md

@@ -45,6 +45,9 @@
   - 方案: [202603250614_terminal-ansi-color-effects](archive/2026-03/202603250614_terminal-ansi-color-effects/)
 
 ### 快速修改
+- **[frontend]**: 取消连接管理页在“批量修改”模式下对单行“连接 / 更多”按钮的禁用，保留批量选择同时允许继续操作单台服务器 — by yinjianm
+  - 类型: 快速修改（无方案包）
+  - 文件: packages/frontend/src/views/ConnectionsView.vue
 - **[frontend]**: 修复右侧状态监控在窄侧栏下的内存/磁盘卡片字体重叠问题，改为基于卡片容器宽度自适应折列与缩字 — by yinjianm
   - 类型: 快速修改（无方案包）
   - 文件: packages/frontend/src/components/StatusMonitor.vue:446-452,572-600,697-707,744-802

packages/frontend/src/views/ConnectionsView.vue

@@ -1591,8 +1591,7 @@ onBeforeUnmount(() => {
                     <div class="flex flex-wrap justify-start xl:justify-end gap-2 relative">
                       <button
                         @click.stop="connectTo(conn)"
-                        :disabled="isBatchEditMode"
-                        class="px-4 py-2 rounded-lg bg-button text-button-text border border-button hover:bg-button-hover transition-colors disabled:opacity-50 disabled:cursor-not-allowed inline-flex items-center gap-2 text-sm font-medium"
+                        class="px-4 py-2 rounded-lg bg-button text-button-text border border-button hover:bg-button-hover transition-colors inline-flex items-center gap-2 text-sm font-medium"
                       >
                         <i class="fas fa-arrow-right-to-bracket"></i>
                         <span>{{ t('connections.actions.connect', '连接') }}</span>
@@ -1601,8 +1600,7 @@ onBeforeUnmount(() => {
                       <div class="relative">
                         <button
                           @click.stop="toggleMoreMenu(conn.id)"
-                          :disabled="isBatchEditMode"
-                          class="px-3 py-2 rounded-lg border border-border bg-background text-foreground hover:bg-border transition-colors inline-flex items-center gap-2 text-sm disabled:opacity-50 disabled:cursor-not-allowed"
+                          class="px-3 py-2 rounded-lg border border-border bg-background text-foreground hover:bg-border transition-colors inline-flex items-center gap-2 text-sm"
                         >
                           <i class="fas fa-ellipsis"></i>
                           <span>{{ t('common.more', '更多') }}</span>