Architecture
services/resources/
services/engine/
services/haystack/
services/shared/
API Layer
Service Layer
extract_token_usage_from_pipeline_result()
aggregate_token_usage()
infer_provider_from_model()
Task Processing
Data Layer
Authentication
Utilities
Development
Hierarchy operations: get_root_categories(), get_descendants(), get_path().
get_root_categories()
get_descendants()
get_path()