expo

Test Expo Router features on Android emulators using ADB. Use after implementing native Android features or when verifying UI behavior on Android.

In-depth design-focused code review - understands codebase context before evaluating PR changes, posts structured feedback to GitHub

Write TSDoc comments for Expo SDK APIs following official conventions. MUST USE when introducing new user-facing TypeScript APIs in expo-* packages - document APIs correctly from the start, not as an afterthought. Also use when improving existing documentation. Covers @platform, @example, @deprecated, @default annotations, third-person declarative style, blockquote notes, and type export patterns for docs generation.