SKILL.md
React UI Patterns
Core Principles
- Never show stale UI - Loading spinners only when actually loading
- Always surface errors - Users must know when something fails
- Optimistic updates - Make the UI feel instant
- Progressive disclosure - Show content as it becomes available
- Graceful degradation - Partial data is better than no data
Loading State Patterns
The Golden Rule
Show loading indicator ONLY when there's no data to display.
// CORRECT - Only show loading when no data exists
const { data, loading, error, refetch } = useGetItemsQuery();