[add] backend/libraries/lkj/indexes/content.index.faiss [add] backend/libraries/lkj/indexes/content.meta.jsonl [change] backend/libraries/lkj/library.json
[add] backend/libraries/lkj/indexes/content.index.faiss [add] backend/libraries/lkj/indexes/content.meta.jsonl [change] backend/libraries/lkj/library.json