feat(native): native reader for indexer (#14055)

packages/frontend/native/index.d.ts

@@ -55,6 +55,7 @@ export declare class DocStoragePool {
   connect(universalId: string, path: string): Promise<void>
   disconnect(universalId: string): Promise<void>
   checkpoint(universalId: string): Promise<void>
+  crawlDocData(universalId: string, docId: string): Promise<NativeCrawlResult>
   setSpaceId(universalId: string, spaceId: string): Promise<void>
   pushUpdate(universalId: string, docId: string, update: Uint8Array): Promise<Date>
   getDocSnapshot(universalId: string, docId: string): Promise<DocRecord | null>
@@ -115,6 +116,24 @@ export interface ListedBlob {
   createdAt: Date
 }
 
+export interface NativeBlockInfo {
+  blockId: string
+  flavour: string
+  content?: Array<string>
+  blob?: Array<string>
+  refDocId?: Array<string>
+  refInfo?: Array<string>
+  parentFlavour?: string
+  parentBlockId?: string
+  additional?: string
+}
+
+export interface NativeCrawlResult {
+  blocks: Array<NativeBlockInfo>
+  title: string
+  summary: string
+}
+
 export interface SetBlob {
   key: string
   data: Uint8Array