feat: persistent memories (#8330)

* feat: persistent memories

* refactor: use new add/remove asset utility

server/src/interfaces/memory.interface.ts

@@ -0,0 +1,14 @@
+import { MemoryEntity } from 'src/entities/memory.entity';
+
+export const IMemoryRepository = 'IMemoryRepository';
+
+export interface IMemoryRepository {
+  search(ownerId: string): Promise<MemoryEntity[]>;
+  get(id: string): Promise<MemoryEntity | null>;
+  create(memory: Partial<MemoryEntity>): Promise<MemoryEntity>;
+  update(memory: Partial<MemoryEntity>): Promise<MemoryEntity>;
+  delete(id: string): Promise<void>;
+  getAssetIds(id: string, assetIds: string[]): Promise<Set<string>>;
+  addAssetIds(id: string, assetIds: string[]): Promise<void>;
+  removeAssetIds(id: string, assetIds: string[]): Promise<void>;
+}