feat: manually mirror opencoze's code from bytedance

Change-Id: I09a73aadda978ad9511264a756b2ce51f5761adf

backend/pkg/sonic/sonic.go

@@ -0,0 +1,52 @@
+/*
+ * Copyright 2025 coze-dev Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package sonic
+
+import "github.com/bytedance/sonic"
+
+var config = sonic.Config{
+	UseInt64: true,
+}.Froze()
+
+// Marshal returns the JSON encoding bytes of v.
+func Marshal(val interface{}) ([]byte, error) {
+	return config.Marshal(val)
+}
+
+// MarshalIndent is like Marshal but applies Indent to format the output.
+// Each JSON element in the output will begin on a new line beginning with prefix
+// followed by one or more copies of indent according to the indentation nesting.
+func MarshalIndent(v interface{}, prefix, indent string) ([]byte, error) {
+	return config.MarshalIndent(v, prefix, indent)
+}
+
+// MarshalString returns the JSON encoding string of v.
+func MarshalString(val interface{}) (string, error) {
+	return config.MarshalToString(val)
+}
+
+// Unmarshal parses the JSON-encoded data and stores the result in the value pointed to by v.
+// NOTICE: This API copies given buffer by default,
+// if you want to pass JSON more efficiently, use UnmarshalString instead.
+func Unmarshal(buf []byte, val interface{}) error {
+	return config.Unmarshal(buf, val)
+}
+
+// UnmarshalString is like Unmarshal, except buf is a string.
+func UnmarshalString(buf string, val interface{}) error {
+	return config.UnmarshalFromString(buf, val)
+}