add-feature

You MUST use this skill before writing any code for a new feature, module, class, or API endpoint. Use when the thing being built does not yet exist in the codebase — adding net-new functionality. Stronger signals: "add", "implement", "create", "build", "new feature", "new endpoint", explicit new requirement. Use sextant:modify-feature instead when the functionality already exists and you are changing its behavior.…