Fix lint and failing tests

proxy/internal/flock/flock_other.go

@@ -11,7 +11,7 @@ import (
 // that no lock was acquired; callers must treat a nil file as "proceed
 // without lock" rather than "lock held by someone else."
 func Lock(_ context.Context, _ string) (*os.File, error) {
-	return nil, nil
+	return nil, nil //nolint:nilnil // intentional: nil file signals locking unsupported on this platform
 }
 
 // Unlock is a no-op on non-Unix platforms.

proxy/internal/metrics/metrics_test.go

@@ -53,6 +53,9 @@ func TestMetrics_RoundTripper(t *testing.T) {
 		t.Run(name, func(t *testing.T) {
 			rt := m.RoundTripper(test.roundTripper)
 			res, err := rt.RoundTrip(test.request)
+			if res != nil && res.Body != nil {
+				defer res.Body.Close()
+			}
 			if diff := cmp.Diff(test.err, err); diff != "" {
 				t.Errorf("Incorrect error (-want +got):\n%s", diff)
 			}

proxy/management_integration_test.go

@@ -251,7 +251,7 @@ func TestIntegration_ProxyConnection_HappyPath(t *testing.T) {
 	stream, err := client.GetMappingUpdate(ctx, &proto.GetMappingUpdateRequest{
 		ProxyId: "test-proxy-1",
 		Version: "test-v1",
-		Address: "https://test.proxy.io",
+		Address: "test.proxy.io",
 	})
 	require.NoError(t, err)
 
@@ -293,7 +293,7 @@ func TestIntegration_ProxyConnection_SendsClusterAddress(t *testing.T) {
 	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
 	defer cancel()
 
-	clusterAddress := "https://test.proxy.io"
+	clusterAddress := "test.proxy.io"
 
 	stream, err := client.GetMappingUpdate(ctx, &proto.GetMappingUpdateRequest{
 		ProxyId: "test-proxy-cluster",
@@ -328,7 +328,7 @@ func TestIntegration_ProxyConnection_Reconnect_ReceivesSameConfig(t *testing.T)
 
 	client := proto.NewProxyServiceClient(conn)
 
-	clusterAddress := "https://test.proxy.io"
+	clusterAddress := "test.proxy.io"
 	proxyID := "test-proxy-reconnect"
 
 	// Helper to receive all mappings from a stream
@@ -401,7 +401,7 @@ func TestIntegration_ProxyConnection_ReconnectDoesNotDuplicateState(t *testing.T
 	authMw := auth.NewMiddleware(logger, nil)
 	proxyHandler := proxy.NewReverseProxy(nil, "auto", nil, logger)
 
-	clusterAddress := "https://test.proxy.io"
+	clusterAddress := "test.proxy.io"
 	proxyID := "test-proxy-idempotent"
 
 	var addMappingCalls atomic.Int32
@@ -497,7 +497,7 @@ func TestIntegration_ProxyConnection_MultipleProxiesReceiveUpdates(t *testing.T)
 	setup := setupIntegrationTest(t)
 	defer setup.cleanup()
 
-	clusterAddress := "https://test.proxy.io"
+	clusterAddress := "test.proxy.io"
 
 	var wg sync.WaitGroup
 	var mu sync.Mutex

util/syslog_windows.go

@@ -1,5 +1,7 @@
 package util
 
+import log "github.com/sirupsen/logrus"
+
 func AddSyslogHook() {
 	// The syslog package is not available for Windows. This adapter is needed
 	// to handle windows build.