fix(handler): 补齐 opsCaptureWriter 全部委托方法的 nil 守卫

backend/internal/handler/ops_error_logger.go

@@ -1,11 +1,14 @@
 package handler
 
 import (
+	"bufio"
 	"bytes"
 	"context"
 	"encoding/json"
 	"errors"
 	"log"
+	"net"
+	"net/http"
 	"runtime"
 	"runtime/debug"
 	"strconv"
@@ -519,6 +522,57 @@ func (w *opsCaptureWriter) Written() bool {
 	return w.ResponseWriter.Written()
 }
 
+func (w *opsCaptureWriter) Header() http.Header {
+	if w.ResponseWriter == nil {
+		return http.Header{}
+	}
+	return w.ResponseWriter.Header()
+}
+
+func (w *opsCaptureWriter) WriteHeader(code int) {
+	if w.ResponseWriter == nil {
+		return
+	}
+	w.ResponseWriter.WriteHeader(code)
+}
+
+func (w *opsCaptureWriter) WriteHeaderNow() {
+	if w.ResponseWriter == nil {
+		return
+	}
+	w.ResponseWriter.WriteHeaderNow()
+}
+
+func (w *opsCaptureWriter) Flush() {
+	if w.ResponseWriter == nil {
+		return
+	}
+	w.ResponseWriter.Flush()
+}
+
+func (w *opsCaptureWriter) Hijack() (net.Conn, *bufio.ReadWriter, error) {
+	if w.ResponseWriter == nil {
+		return nil, nil, errors.New("response writer released")
+	}
+	return w.ResponseWriter.Hijack()
+}
+
+func (w *opsCaptureWriter) CloseNotify() <-chan bool {
+	if w.ResponseWriter == nil {
+		ch := make(chan bool)
+		close(ch)
+		return ch
+	}
+	return w.ResponseWriter.CloseNotify()
+}
+
+func (w *opsCaptureWriter) Pusher() http.Pusher {
+	if w.ResponseWriter == nil {
+		return nil
+	}
+	return w.ResponseWriter.Pusher()
+}
+
 func (w *opsCaptureWriter) Write(b []byte) (int, error) {
 	if w.ResponseWriter == nil {
 		return 0, nil