fix lint

internal/apps/openflare/relay/errs.go

@@ -1,9 +1,11 @@
 // Copyright 2026 Arctel.net
 // SPDX-License-Identifier: Apache-2.0
 
+// Package relay provides relay node management and authentication for the OpenFlare platform.
 package relay
 
 const (
+	//nolint:gosec // error message text, not a credential
 	errAgentTokenInvalid     = "无权进行此操作，Agent Token 无效"
 	errRelayNodeTypeMismatch = "此节点不是 TunnelRelay 类型"
 )