feat: manually mirror opencoze's code from bytedance

Change-Id: I09a73aadda978ad9511264a756b2ce51f5761adf

backend/infra/contract/document/searchstore/manager.go

@@ -0,0 +1,82 @@
+/*
+ * 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 searchstore
+
+import (
+	"context"
+)
+
+type Manager interface {
+	Create(ctx context.Context, req *CreateRequest) error
+
+	Drop(ctx context.Context, req *DropRequest) error
+
+	GetType() SearchStoreType
+
+	GetSearchStore(ctx context.Context, collectionName string) (SearchStore, error)
+}
+
+type CreateRequest struct {
+	CollectionName string
+	Fields         []*Field
+	CollectionMeta map[string]string
+}
+
+type DropRequest struct {
+	CollectionName string
+}
+
+type GetSearchStoreRequest struct {
+	CollectionName string
+}
+
+type Field struct {
+	Name        FieldName
+	Type        FieldType
+	Description string
+
+	Nullable  bool
+	IsPrimary bool
+
+	Indexing bool
+}
+
+type SearchStoreType string
+
+const (
+	TypeVectorStore SearchStoreType = "vector"
+	TypeTextStore   SearchStoreType = "text"
+)
+
+type FieldName = string
+
+// 内置 field name
+const (
+	FieldID          FieldName = "id"           // int64
+	FieldCreatorID   FieldName = "creator_id"   // int64
+	FieldTextContent FieldName = "text_content" // string
+)
+
+type FieldType int64
+
+const (
+	FieldTypeUnknown      FieldType = 0
+	FieldTypeInt64        FieldType = 1
+	FieldTypeText         FieldType = 2
+	FieldTypeDenseVector  FieldType = 3
+	FieldTypeSparseVector FieldType = 4
+)