KCCQ‑12 Placeholder

The KCCQ instrument is licensed. Do not include proprietary item text in this repository. - Store KCCQ‑12 metadata (version, subscales, scoring) but not item wording. - At runtime, pull items from a licensed source or EDC with appropriate permissions. - Persist only responses and derived subscale totals.

Subscales (for mapping): Physical Limitation, Symptom Frequency, Quality of Life, Social Limitation.