refactor(workflow): Move the knowledge component in the Workflow package into the common crossdomain package (#708)

backend/crossdomain/contract/modelmgr/modelmgr.go

@@ -0,0 +1,40 @@
+/*
+ * 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 modelmgr
+
+import (
+	"context"
+
+	eino "github.com/cloudwego/eino/components/model"
+	model "github.com/coze-dev/coze-studio/backend/api/model/crossdomain/modelmgr"
+	"github.com/coze-dev/coze-studio/backend/infra/contract/modelmgr"
+)
+
+//go:generate  mockgen -destination modelmock/model_mock.go --package mockmodel -source modelmgr.go
+type Manager interface {
+	GetModel(ctx context.Context, params *model.LLMParams) (eino.BaseChatModel, *modelmgr.Model, error)
+}
+
+var defaultSVC Manager
+
+func DefaultSVC() Manager {
+	return defaultSVC
+}
+
+func SetDefaultSVC(svc Manager) {
+	defaultSVC = svc
+}