feat: manually mirror opencoze's code from bytedance

Change-Id: I09a73aadda978ad9511264a756b2ce51f5761adf

backend/crossdomain/contract/crossmessage/cross_message.go

@@ -0,0 +1,41 @@
+/*
+ * 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 crossmessage
+
+import (
+	"context"
+
+	"github.com/coze-dev/coze-studio/backend/api/model/crossdomain/message"
+)
+
+type Message interface {
+	GetByRunIDs(ctx context.Context, conversationID int64, runIDs []int64) ([]*message.Message, error)
+	Create(ctx context.Context, msg *message.Message) (*message.Message, error)
+	Edit(ctx context.Context, msg *message.Message) (*message.Message, error)
+}
+
+var defaultSVC Message
+
+type MessageMeta = message.Message
+
+func DefaultSVC() Message {
+	return defaultSVC
+}
+
+func SetDefaultSVC(c Message) {
+	defaultSVC = c
+}