Add pointer events

[fat]

Description

Move to pointer events (instead of mouse events)

Motivation & Context

Better mobile support, etc.

Type of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Refactoring (non-breaking change)
• Breaking change (fix or feature that would change existing functionality)
• Documentation update

Checklist

• I have read the
  contributing guidelines
• My code follows the code style of the project (bun run lint)
• My code is formatted properly (bun run format)
• I have updated the documentation accordingly (if applicable)
• I have added tests to cover my changes (if applicable)
• All new and existing tests pass (bun run diffs:test)

Related issues

[vercel]

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Project	Deployment	Review	Updated (UTC)
pierrejs-diff-demo	Ready	Preview	Dec 25, 2025 2:03am
pierrejs-docs	Ready	Preview	Dec 25, 2025 2:03am
pierrejs-solid-diff-demo	Ready	Preview	Dec 25, 2025 2:03am