compose-component-design

Guides the design and review of reusable Jetpack Compose component APIs so callers control placement and variable content while components retain their invariant structure.

When to use it

Use when designing or reviewing reusable Jetpack Compose APIs involving modifiers, root placement, variable or optional content, primitive content parameters, or Boolean shape flags.

It changes how the agent designs and reviews reusable component APIs, keeping edits within the requested concern and leaving already suitable APIs unchanged.