全仓 go test -race 扫描（93 包）→ 全绿。修复 6 类数据竞争：frpc/frps 测试的锁外读与并发 Wait；oauth/repository 4 个 Pub/Sub 监听器 goroutine 读可变包变量（局部捕获 + done 通道等待）；oauth 测试换 db.Redis 前停监听器；【真实生产 bug】tls 响应快照与异步续签 goroutine 并发写 cert 竞争（先快照再起 goroutine）；upload/cache 监听器 goroutine 内读 db.Redis（调用方捕获）。

Result: {"status":"keep","total_issues":8,"golint_canonicalheader":0,"golint_errname":0,"golint_errorlint":1,"golint_exhaustive":0,"golint_forcetypeassert":0,"golint_gosec":0,"golint_intrange":0,"golint_modernize":3,"golint_nilnil":3,"golint_perfsprint":0,"golint_prealloc":0,"golint_recvcheck":1,"golint_usestdlibvars":0,"golint_wastedassign":0,"golint_total":8,"golint_test_testifylint":0,"golint_test_thelper":0,"golint_test_usetesting":0,"golint_test_total":0,"golint_vetx_total":0,"eslint_problems":0,"eslint_errors":0,"eslint_warnings":0,"tsc_errors":0,"vitest_failed":0,"vitest_total":116,"measure_s":74}

internal/repository/system_config_cache.go

@@ -90,6 +90,7 @@ var (
 	systemConfigListenerOnce   sync.Once
 	systemConfigListenerCtx    context.Context
 	systemConfigListenerCancel context.CancelFunc
+	systemConfigListenerDone   chan struct{}
 )
 
 func ensureSystemConfigCacheListener() {
@@ -102,15 +103,19 @@ func startSystemConfigCacheInvalidationListener() {
 	}
 
 	systemConfigListenerCtx, systemConfigListenerCancel = context.WithCancel(context.Background())
+	systemConfigListenerDone = make(chan struct{})
 
 	go func() {
-		pubsub := db.Redis.Subscribe(systemConfigListenerCtx, SystemConfigBroadcastChannel)
+		listenerCtx := systemConfigListenerCtx
+		defer close(systemConfigListenerDone)
+
+		pubsub := db.Redis.Subscribe(listenerCtx, SystemConfigBroadcastChannel)
 		defer func() {
 			_ = pubsub.Close()
 		}()
 
 		go func() {
-			<-systemConfigListenerCtx.Done()
+			<-listenerCtx.Done()
 			_ = pubsub.Close()
 		}()
 
@@ -135,7 +140,11 @@ func startSystemConfigCacheInvalidationListener() {
 func StopSystemConfigCacheListener() {
 	if systemConfigListenerCancel != nil {
 		systemConfigListenerCancel()
+		if systemConfigListenerDone != nil {
+			<-systemConfigListenerDone
+		}
 		systemConfigListenerCancel = nil
+		systemConfigListenerDone = nil
 	}
 	systemConfigListenerOnce = sync.Once{}
 }