- GraphQL/REST CRUD + semantic search for knowledge documents
- KnowledgeStore with admin/user-scoped filtering, re-embedding on update
- Real-time subscriptions (created/updated/deleted) per user and admin
- user_id tracking in all agent-stored documents (guide/answer/code/memory)
- sqlc queries, goose migrations, privilege grants, user_id backfill
- Memory cleanup on flow deletion; stale orphan purge via migration
- Unit tests for all KnowledgeStore operations including security cases
- Frontend GraphQL schema and TypeScript types regenerated