Add event-driven reporting and durable failure recovery hooks

assets/dashboard/src/pages/overview.tsx

@@ -15,6 +15,7 @@ export default function Overview() {
     <div className="grid gap-4 sm:grid-cols-2 xl:grid-cols-4">{stats.map(s => <Card key={s.label}><CardContent className="flex items-start justify-between pt-6"><div><p className="text-sm text-muted-foreground">{s.label}</p><p className="mt-2 text-3xl font-semibold tabular-nums">{s.value}</p></div><s.icon className="size-5 text-primary" /></CardContent></Card>)}</div>
     <div className="grid gap-6 lg:grid-cols-2"><Panel title="当前阶段与阻塞" description="总控记录与需要关注的任务。">{lead ? <div className="mb-5 flex items-center gap-3"><span className="font-medium">{phaseLabels[lead.phase] || lead.phase}</span><Status value={lead.status} /></div> : <Empty>尚未登记总控阶段。</Empty>}{blocked.length ? <div className="space-y-3">{blocked.slice(0, 3).map(t => <p key={t.id} className="text-sm">{t.id} · {t.name}</p>)}</div> : <p className="text-sm text-muted-foreground">当前没有登记受阻任务。</p>}<Button variant="link" asChild className="mt-4 px-0"><Link to="/tasks">查看全部任务 <ArrowRight /></Link></Button></Panel>
       <Panel title="等待你决定" description="待决策事项摘要。">{pending.length ? <div className="space-y-4">{pending.slice(0, 3).map(t => <div key={t.id}><p className="text-xs font-medium text-muted-foreground">{t.id} · {t.name}</p><p className="mt-1 line-clamp-3 whitespace-pre-wrap text-sm leading-6">{t.decision}</p></div>)}</div> : <Empty>当前没有登记待决策事项。</Empty>}<Button variant="link" asChild className="mt-4 px-0"><Link to="/decisions">查看方案与决策 <ArrowRight /></Link></Button></Panel></div>
+    {state.hooks && <Panel title="故障与恢复" description="重大事件触发汇报；重复状态不打扰。"><p className="text-sm text-muted-foreground">活动故障 {state.hooks.active_firing} · 待投递通知 {state.hooks.pending_notifications}</p>{state.hooks.recent.slice(0, 3).map((h, i) => <p className="mt-3 text-sm" key={i}>{h.status === 'resolved' ? '已恢复' : '故障'} · {h.summary}</p>)}</Panel>}
     <Panel title="最近重要汇报" description="保留关键结论，详细讨论进入专门会话。"><Reports events={state.events.filter(e => /report|summary|handoff/.test(e.kind)).slice(0, 3)} compact /></Panel>
   </div>
 }