# Prompt: New Feature

Load first: `.ai/constitution.md`, `.ai/architecture.md`, `.ai/coding.md`, `.ai/api.md`, `.ai/review.md`, `.ai/definition-of-done.md`.

## Process

1. Restate the feature in one sentence and list files you will touch.
2. Follow feature flow: API → Service → Repository → Migration → SDK/types → UI → Test → Docs.
3. Implement the smallest vertical slice that works end-to-end.
4. Run builds/tests for touched sides.
5. Output `.ai/review.md` Review block.
6. Confirm Definition of Done.

## Forbidden

- Inventing APIs not in the task / OpenAPI.
- Editing legacy root HTML unless migration is the task.
- Shipping UI-only unlock/payment without server checks.