feat: 引入 Logger 接口抽象，支持自定义日志实现

- 新增 Logger 接口定义，支持 zap/slog 等自定义实现
- 新增 CloserLogger 接口用于支持关闭操作
- Engine 新增 SetLogger/GetLogger 方法使用接口
- 新增 compat.go 兼容层，保留 reco 兼容方法
- 新增 slog 适配器示例
- 删除 zap 示例
- Context.GetLogger() 返回接口类型

context.go

@@ -26,7 +26,6 @@ import (
 	"time"
 
 	"github.com/WJQSERVER/wanf"
-	"github.com/fenthope/reco"
 	"github.com/go-json-experiment/json"
 
 	"github.com/WJQSERVER-STUDIO/go-utils/iox"
@@ -135,8 +134,8 @@ func (c *Context) writeResponseBody(data []byte, contextMsg string) {
 	if _, err := c.Writer.Write(data); err != nil {
 		wrapped := fmt.Errorf("%s: %w", contextMsg, err)
 		c.AddError(wrapped)
-		if c != nil && c.engine != nil && c.engine.LogReco != nil {
-			c.engine.LogReco.Errorf("%s: %v", contextMsg, err)
+		if c.engine != nil && c.engine.logger != nil {
+			c.engine.logger.Errorf("%s: %v", contextMsg, err)
 		}
 	}
 }
@@ -1136,9 +1135,9 @@ func (c *Context) GetHTTPC() *httpc.Client {
 	return c.HTTPClient
 }
 
-// GetLogger 获取engine的Logger
-func (c *Context) GetLogger() *reco.Logger {
-	return c.engine.LogReco
+// GetLogger 获取engine的Logger接口
+func (c *Context) GetLogger() Logger {
+	return c.engine.logger
 }
 
 // GetReqQueryString
@@ -1297,25 +1296,25 @@ func (c *Context) DeleteCookie(name string) {
 
 // === 日志记录 ===
 func (c *Context) Debugf(format string, args ...any) {
-	c.engine.LogReco.Debugf(format, args...)
+	c.engine.logger.Debugf(format, args...)
 }
 
 func (c *Context) Infof(format string, args ...any) {
-	c.engine.LogReco.Infof(format, args...)
+	c.engine.logger.Infof(format, args...)
 }
 
 func (c *Context) Warnf(format string, args ...any) {
-	c.engine.LogReco.Warnf(format, args...)
+	c.engine.logger.Warnf(format, args...)
 }
 
 func (c *Context) Errorf(format string, args ...any) {
-	c.engine.LogReco.Errorf(format, args...)
+	c.engine.logger.Errorf(format, args...)
 }
 
 func (c *Context) Fatalf(format string, args ...any) {
-	c.engine.LogReco.Fatalf(format, args...)
+	c.engine.logger.Fatalf(format, args...)
 }
 
 func (c *Context) Panicf(format string, args ...any) {
-	c.engine.LogReco.Panicf(format, args...)
+	c.engine.logger.Panicf(format, args...)
 }