chore: import upstream snapshot with attribution

backend/domain/knowledge/processor/interface.go

@@ -0,0 +1,28 @@
+/*
+ * 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 processor
+
+import "github.com/coze-dev/coze-studio/backend/domain/knowledge/entity"
+
+type DocProcessor interface {
+	BeforeCreate() error         // Get data source
+	BuildDBModel() error         // Build Doc Record
+	InsertDBModel() error        // Insert a Doc record into the database
+	Indexing() error             // Initiate indexing task
+	GetResp() []*entity.Document // Return the processed document information
+	//GetColumnName()
+}