Search the Fail Modes taxonomy by symptom text or keyword phrase. Returns ranked matches with id, name, category, and matched context.

Retrieve the full structured record for a single failure mode by its ID slug (e.g. 'citation-hallucination', 'sycophancy').

List all taxonomy categories with their IDs, names, descriptions, and mode counts.

List failure modes, optionally filtered to a single category by category ID.