wavelet init

Wavelet/pkg/logger/errs.go

@@ -0,0 +1,9 @@
+// Copyright 2026 Arctel.net
+// SPDX-License-Identifier: Apache-2.0
+
+// Package logger 提供结构化日志封装
+package logger
+
+const (
+	errCreateLogFileDirFailed = "[Logger] create log file dir err: %w"
+)