refactor: 重构trustlog-sdk目录结构到trustlog/go-trustlog

- 将所有trustlog-sdk文件移动到trustlog/go-trustlog/目录
- 更新README中所有import路径从trustlog-sdk改为go-trustlog
- 更新cookiecutter配置文件中的项目名称
- 更新根目录.lefthook.yml以引用新位置的配置
- 添加go.sum文件到版本控制
- 删除过时的示例文件

这次重构与trustlog-server保持一致的目录结构，
为未来支持多语言SDK（Python、Java等）预留空间。

internal/logger/logger.go

@@ -0,0 +1,194 @@
+package logger
+
+import (
+	"fmt"
+
+	"github.com/ThreeDotsLabs/watermill"
+	"github.com/apache/pulsar-client-go/pulsar/log"
+
+	"go.yandata.net/iod/iod/trustlog-sdk/api/logger"
+)
+
+const (
+	// argsPerField 每个字段转换为args时的参数数量（key+value）.
+	argsPerField = 2
+)
+
+type WatermillLoggerAdapter struct {
+	logger logger.Logger
+	fields watermill.LogFields
+}
+
+func (w WatermillLoggerAdapter) Error(msg string, err error, fields watermill.LogFields) {
+	allFields := mergeFields(w.fields, fields)
+	args := allFieldsToArgs(allFields)
+	w.logger.Error(fmt.Sprintf("%s: %v", msg, err), args...)
+}
+
+func (w WatermillLoggerAdapter) Info(msg string, fields watermill.LogFields) {
+	allFields := mergeFields(w.fields, fields)
+	args := allFieldsToArgs(allFields)
+	w.logger.Info(msg, args...)
+}
+
+func (w WatermillLoggerAdapter) Debug(msg string, fields watermill.LogFields) {
+	allFields := mergeFields(w.fields, fields)
+	args := allFieldsToArgs(allFields)
+	w.logger.Debug(msg, args...)
+}
+
+func (w WatermillLoggerAdapter) Trace(msg string, fields watermill.LogFields) {
+	allFields := mergeFields(w.fields, fields)
+	args := allFieldsToArgs(allFields)
+	w.logger.Debug(fmt.Sprintf("[TRACE] %s", msg), args...)
+}
+
+func (w WatermillLoggerAdapter) With(fields watermill.LogFields) watermill.LoggerAdapter {
+	newFields := mergeFields(w.fields, fields)
+	return WatermillLoggerAdapter{
+		logger: w.logger,
+		fields: newFields,
+	}
+}
+
+//nolint:funcorder // 构造函数放在此处更符合代码组织
+func NewWatermillLoggerAdapter(logger logger.Logger) *WatermillLoggerAdapter {
+	return &WatermillLoggerAdapter{logger: logger, fields: watermill.LogFields{}}
+}
+
+func mergeFields(base, extra watermill.LogFields) watermill.LogFields {
+	merged := make(watermill.LogFields, len(base)+len(extra))
+	for k, v := range base {
+		merged[k] = v
+	}
+	for k, v := range extra {
+		merged[k] = v
+	}
+	return merged
+}
+
+func allFieldsToArgs(fields watermill.LogFields) []any {
+	args := make([]any, 0, len(fields)*argsPerField)
+	for k, v := range fields {
+		args = append(args, k, v)
+	}
+	return args
+}
+
+// ================= PulsarLoggerAdapter ======================
+
+type PulsarLoggerAdapter struct {
+	logger logger.Logger
+	fields log.Fields
+	err    error
+}
+
+func NewPulsarLoggerAdapter(l logger.Logger) *PulsarLoggerAdapter {
+	return &PulsarLoggerAdapter{logger: l, fields: log.Fields{}}
+}
+
+func (p PulsarLoggerAdapter) SubLogger(fields log.Fields) log.Logger {
+	return PulsarLoggerAdapter{
+		logger: p.logger,
+		fields: mergePulsarFields(p.fields, fields),
+		err:    p.err,
+	}
+}
+
+func (p PulsarLoggerAdapter) WithFields(fields log.Fields) log.Entry {
+	return PulsarLoggerAdapter{
+		logger: p.logger,
+		fields: mergePulsarFields(p.fields, fields),
+		err:    p.err,
+	}
+}
+
+func (p PulsarLoggerAdapter) WithField(name string, value interface{}) log.Entry {
+	newFields := mergePulsarFields(p.fields, log.Fields{name: value})
+	return PulsarLoggerAdapter{
+		logger: p.logger,
+		fields: newFields,
+		err:    p.err,
+	}
+}
+
+func (p PulsarLoggerAdapter) WithError(err error) log.Entry {
+	return PulsarLoggerAdapter{
+		logger: p.logger,
+		fields: p.fields,
+		err:    err,
+	}
+}
+
+func (p PulsarLoggerAdapter) Debug(args ...interface{}) {
+	fieldsArgs := fieldsToArgs(p.fields)
+	p.logger.Debug(fmt.Sprint(args...), fieldsArgs...)
+}
+
+func (p PulsarLoggerAdapter) Info(args ...interface{}) {
+	fieldsArgs := fieldsToArgs(p.fields)
+	p.logger.Info(fmt.Sprint(args...), fieldsArgs...)
+}
+
+func (p PulsarLoggerAdapter) Warn(args ...interface{}) {
+	fieldsArgs := fieldsToArgs(p.fields)
+	p.logger.Warn(fmt.Sprint(args...), fieldsArgs...)
+}
+
+func (p PulsarLoggerAdapter) Error(args ...interface{}) {
+	msg := fmt.Sprint(args...)
+	fieldsArgs := fieldsToArgs(p.fields)
+	if p.err != nil {
+		// 将error作为key-value对添加到args中
+		fieldsArgs = append(fieldsArgs, "error", p.err)
+		p.logger.Error(msg, fieldsArgs...)
+	} else {
+		p.logger.Error(msg, fieldsArgs...)
+	}
+}
+
+func (p PulsarLoggerAdapter) Debugf(format string, args ...interface{}) {
+	fieldsArgs := fieldsToArgs(p.fields)
+	p.logger.Debug(fmt.Sprintf(format, args...), fieldsArgs...)
+}
+
+func (p PulsarLoggerAdapter) Infof(format string, args ...interface{}) {
+	fieldsArgs := fieldsToArgs(p.fields)
+	p.logger.Info(fmt.Sprintf(format, args...), fieldsArgs...)
+}
+
+func (p PulsarLoggerAdapter) Warnf(format string, args ...interface{}) {
+	fieldsArgs := fieldsToArgs(p.fields)
+	p.logger.Warn(fmt.Sprintf(format, args...), fieldsArgs...)
+}
+
+func (p PulsarLoggerAdapter) Errorf(format string, args ...interface{}) {
+	msg := fmt.Sprintf(format, args...)
+	fieldsArgs := fieldsToArgs(p.fields)
+	if p.err != nil {
+		p.logger.Error(fmt.Sprintf("%s: %v", msg, p.err), fieldsArgs...)
+	} else {
+		p.logger.Error(msg, fieldsArgs...)
+	}
+}
+
+// 合并 Pulsar log.Fields.
+func mergePulsarFields(base, extra log.Fields) log.Fields {
+	merged := make(log.Fields, len(base)+len(extra))
+	for k, v := range base {
+		merged[k] = v
+	}
+	for k, v := range extra {
+		merged[k] = v
+	}
+	return merged
+}
+
+// 将 Pulsar log.Fields 转为 args ...any 形式，适配 Adapter.
+func fieldsToArgs(fields log.Fields) []any {
+	args := make([]any, 0, len(fields)*argsPerField)
+	for k, v := range fields {
+		args = append(args, k, v)
+	}
+	return args
+}