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
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@@ -49,6 +49,11 @@ func (r *goRedisCache) Set(ctx context.Context, key string, value string, expira
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return r.client.Set(ctx, key, value, expiration).Err()
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}
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// SetNX 原子 SET if Not eXists — go-redis 原生支持,用于分布式锁
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func (r *goRedisCache) SetNX(ctx context.Context, key string, value string, expiration time.Duration) (bool, error) {
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return r.client.SetNX(ctx, key, value, expiration).Result()
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}
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func (r *goRedisCache) Del(ctx context.Context, keys ...string) error {
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return r.client.Del(ctx, keys...).Err()
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}
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