Factory Forms Builder

Use when building multi-step forms, complex intake flows, drawer-CRUD forms, or anything beyond a one-shot Mantine form. Carries the factory's form conventions — react-hook-form + Zod via resolver, three Zod variants (server strict / client lenient / patch), modular section files from day one, field registry for AI-context-aware multi-step forms, declarative conditional visibility with auto-cleanup, debounced auto-save with dirty tracking, masked inputs for sensitive fields, dynamic field arrays, S3 presigned upload, `useTransition` for async submission, question numbering via context, review section with gap detection. Outputs form code that fits the house style — not be…