feat(memory): add operator retrieval plugin (#736)

packages/memory/src/index.ts

@@ -22,6 +22,13 @@ export type {
   InsightSearchResult,
 } from './types.js';
 export { createMemoryAdapter, registerMemoryAdapter } from './factory.js';
+export {
+  createOperatorMemoryPlugin,
+  type OperatorMemoryPlugin,
+  type OperatorMemoryScope,
+  type OperatorMemoryConfig,
+  type OperatorMemoryResult,
+} from './operator-memory-plugin.js';
 export { PgVectorAdapter } from './adapters/pgvector.js';
 export { KeywordAdapter } from './adapters/keyword.js';