- health schema: vaccinations, body_measurements, workouts, nutrition_daily, sleep (generated hours), medications, hair_progress, appointments - migration with updated_at triggers; grants to personal_app only - /trackers/health overview with add/edit/delete, owner-gated (404 otherwise), noindex + private no-store, hidden from listings for non-owners - owner-only JSON/CSV import endpoint and scripts/health-import.ts