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description: Build software from requirements and Pencil design data for Da Vinci.
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# Da Vinci Build

Use the `da-vinci` skill for this request.

Action: `build`

Focus on:
- requirements-backed behavior
- Pencil-backed layout and presentation
- implementation order from `tasks.md`

During implementation:
- run `execution checkpoint` after each top-level task group
- update source artifacts before continuing if drift is found