feat: optimize the package name for cross-domain functionality (#690)

backend/crossdomain/contract/agent/single_agent.go

@@ -0,0 +1,47 @@
+/*
+ * 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 agent
+
+import (
+	"context"
+
+	"github.com/cloudwego/eino/schema"
+
+	"github.com/coze-dev/coze-studio/backend/api/model/crossdomain/message"
+	"github.com/coze-dev/coze-studio/backend/api/model/crossdomain/singleagent"
+)
+
+// Requests and responses must not reference domain entities and can only use models under api/model/crossdomain.
+type SingleAgent interface {
+	StreamExecute(ctx context.Context, historyMsg []*message.Message, query *message.Message,
+		agentRuntime *singleagent.AgentRuntime) (*schema.StreamReader[*singleagent.AgentEvent], error)
+	ObtainAgentByIdentity(ctx context.Context, identity *singleagent.AgentIdentity) (*singleagent.SingleAgent, error)
+}
+
+type ResumeInfo = singleagent.InterruptInfo
+
+type AgentEvent = singleagent.AgentEvent
+
+var defaultSVC SingleAgent
+
+func DefaultSVC() SingleAgent {
+	return defaultSVC
+}
+
+func SetDefaultSVC(svc SingleAgent) {
+	defaultSVC = svc
+}