修复(#105): 消除 goctl 重新生成漂移

Co-authored-by: multica-agent <github@multica.ai>

internal/gozero/rest/httpx/httpx.go

@@ -0,0 +1,27 @@
+package httpx
+
+import (
+	"context"
+	"encoding/json"
+	"net/http"
+)
+
+func Parse(r *http.Request, v any) error {
+	if r.Body == nil {
+		return nil
+	}
+	decoder := json.NewDecoder(r.Body)
+	if err := decoder.Decode(v); err != nil {
+		return err
+	}
+	return nil
+}
+
+func ErrorCtx(_ context.Context, w http.ResponseWriter, err error) {
+	http.Error(w, err.Error(), http.StatusBadRequest)
+}
+
+func OkJsonCtx(_ context.Context, w http.ResponseWriter, v any) {
+	w.Header().Set("Content-Type", "application/json; charset=utf-8")
+	_ = json.NewEncoder(w).Encode(v)
+}