Verify and apply PR #20: Add forwardRef to Video component

[Copilot]

PR #20 adds forwardRef to the Video component, enabling programmatic control via refs. The maintainer raised a valid concern about React 19 deprecating forwardRef.

Changes

Video Component (src/components/Video.tsx)

• Wrapped component with forwardRef<HTMLVideoElement, IKVideoProps>
• Added ref forwarding to underlying <video> element (placed after spread operator for proper precedence)
• Added displayName for debugging
• Added JSDoc example demonstrating ref usage

Usage:

const videoRef = useRef<HTMLVideoElement>(null);

useEffect(() => {
  if (inView) videoRef.current?.play();
  else videoRef.current?.pause();
}, [inView]);

<Video ref={videoRef} src="/video.mp4" muted playsInline />

Documentation

• REACT_19_MIGRATION.md: Explains why forwardRef is required for React 18, React 19's deprecation timeline, and migration strategies
• PR_20_VERIFICATION_SUMMARY.md: Complete analysis including type safety verification, comparison with Image component approach, and recommendation to merge

Deprecation Analysis

Current: Library targets React 18 (@types/react: ^18.3.3)
React 18: forwardRef is required—function components cannot receive refs directly
React 19: forwardRef is deprecated but remains functional for backward compatibility

The implementation is correct for React 18. Migration to React 19's ref-as-prop pattern can be handled when the library adds React 19 support, either by:

1. Keeping forwardRef for backward compatibility ("react": "^18.0.0 || ^19.0.0")
2. Dropping React 18 support in a major version bump

Type Safety

Generated type correctly shows ref support:

export declare const Video: React.ForwardRefExoticComponent<
  Omit<IKVideoProps, "ref"> & React.RefAttributes<HTMLVideoElement>
>;

Note: The Image component doesn't use forwardRef because it wraps Next.js's <NextImage>, which handles ref forwarding internally. Video wraps a native HTML element, requiring explicit forwardRef.

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