feat(alert): A2 告警引擎分布式安全 — Redis 分布式锁(SetNX)

- Cache 接口新增 SetNX 方法(go-redis 原子 / redka check-then-set 单副本安全)
- AlertEngine 改造为支持分布式锁: tryAcquireLock/releaseLock/GetEngineStatus
- 多副本部署时仅 Leader 执行告警检查, 60s TTL 防死锁, fail-open 容错
- 新增 GET /alerts/engine/status 监控端点(is_leader/instance_id/lock_holder)
- 修复 GrafanaDashboard.tsx Panel.options 类型不匹配导致构建中断
- 同步未提交的前端类型安全迁移(140+ 文件)
- ROADMAP/TDD_PLAN/PROJECT_EVALUATION 三文档同步更新

验证: go build 零错误, Docker 部署 healthy, 引擎状态端点正常,
锁竞争测试通过(非 Leader 跳过检查), 5/5 核心 API 回归通过

frontend/src/components/agent/AgentAlerts.tsx

@@ -27,18 +27,19 @@ import {
   severityBadge,
 } from './agentAlertHelper';
 import { AgentRuleDialog } from './AgentRuleDialog';
+import type { JsonData } from '@/types/common';
 
 export function AgentAlerts() {
   const confirm = useConfirm();
   const [activeTab, setActiveTab] = useState('events');
-  const [alerts, setAlerts] = useState<any[]>([]);
-  const [rules, setRules] = useState<any[]>([]);
+  const [alerts, setAlerts] = useState<JsonData[]>([]);
+  const [rules, setRules] = useState<JsonData[]>([]);
   const [loading, setLoading] = useState(true);
   const [resolvedView, setResolvedView] = useState(false);
 
   // 规则编辑弹窗
   const [ruleOpen, setRuleOpen] = useState(false);
-  const [editingRule, setEditingRule] = useState<any>(null);
+  const [editingRule, setEditingRule] = useState<JsonData>(null);
 
   const loadData = useCallback(async () => {
     setLoading(true);
@@ -80,7 +81,7 @@ export function AgentAlerts() {
     setRuleOpen(true);
   };
 
-  const openEditRule = ( rule: any) => {
+  const openEditRule = (rule: JsonData) => {
     setEditingRule(rule);
     setRuleOpen(true);
   };
@@ -97,7 +98,7 @@ export function AgentAlerts() {
     }
   };
 
-  const handleToggleRule = async ( rule: any) => {
+  const handleToggleRule = async (rule: JsonData) => {
     try {
       await agentApi.updateRule(rule.id, { ...rule, enabled: !rule.enabled });
       loadData();