- Fix empty ID bug: langchaingo SimilaritySearch discarded document UUIDs; new SearchKnowledgeDocuments/SearchUserKnowledgeDocuments return them directly
- Remove unsafe fmt.Sprintf SQL filter interpolation, use parameterised queries
- Exclude memory documents from search results at SQL level
- Add FlowID support to passesSearchFilter
- Convert all $N positional params to sqlc.arg(name) across knowledge queries
- Update tests: replace TestBuildSearchFilters with TestPassesSearchFilter, add TestSearchDocuments and TestSearchUserDocuments
- 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
- Implemented a new SQL query to retrieve usage statistics by model and agents for a specific flow.
- Added corresponding Go types and methods to handle the new query in the database layer.
- Updated GraphQL schema to include the new ModelAgentsUsageStats type and the usageStatsByModelAgentsForFlow query.
- Enhanced frontend components to display the new usage statistics in the flow dashboard.
Adds conditional chain normalization in processChain to preserve reasoning cache when provider unchanged while fixing incomplete tool_calls and converting IDs when switching providers. Extends GraphQL API with modelProvider parameter for seamless provider changes without restart.
Dmitry Ng