新增: 挂机模式 P1 总装: 设置面板+顶栏徽章+边界卡精简+监控告警推送

- 新增 UnattendedPanel.vue 挂机配置面板(引擎自动认领看板任务,Settings KV 热读即改即生效)
- Settings.vue 接入挂机面板;searchIndex.ts 补挂机搜索词条
- TopBar.vue 新增挂机进行中徽章(脉冲动效+透明度过渡)
- TaskBoundaryCard.vue 精简边界状态判定(wallState 合并比对,删冗余 watch)
- i18n zh-CN/en: settings/ai/aiChat 六文件补挂机词条双语
- unattended.rs 新增 push_monitor_alert 监控告警推送(异常快照+告警头直发 monitor_chat)
- feishu_notify.rs push/push_card 出口重构收敛
- lib.rs 注册 unattended_status/unattended_set_enabled 两 IPC
- aiShared.ts/useAiStreamingEvents.ts 挂机状态流接入

src/i18n/en/aiChat.ts

@@ -22,7 +22,13 @@ export default {
     archived: 'Archived',
     archivedCount: 'Archived ({n})',
     recoverableCount: 'Recoverable ({n})',
-    recoverableHint: 'Task parked by restart interruption; click to resume',
+    recoverableHint: 'Task parked safely; click to resume',
+    // ── Unattended engine badge (TopBar; shown while on, red badge resets the breaker) ──
+    unattendedOn: 'Unattended',
+    unattendedExecuting: 'working',
+    unattendedTripped: 'Unattended halted',
+    unattendedBadgeHint: 'Unattended mode is on. Click to open settings',
+    unattendedResetHint: 'Auto-halted after repeated start failures. Click to reset and resume',
     recoverableDone: 'Task resumed, running in background',
     recoverableFail: 'Recover failed: {msg}',
     emptyConversation: 'No conversations',