Summary

• Add scrollToSelected prop to Select component (default true) that automatically scrolls the dropdown to the first selected option when opened
• Uses a callback ref on the dropdown <ul> to reliably detect when the Portal-rendered content is mounted, then sets scrollTop via requestAnimationFrame
• Works for both single and multiple select modes, and both options prop and children rendering paths

Release

• Bump type: minor
• Affected packages: @tiny-design/react (+ @tiny-design/icons, @tiny-design/tokens via fixed version group)

Test plan

• Unit tests pass (pnpm --filter @tiny-design/react test -- --testPathPattern=select)
• Verified in browser: left Select (default) scrolls to Option 25 on open
• Verified in browser: right Select (scrollToSelected={false}) starts from Option 1
• Verify docs render correctly in both English and Chinese
• Verify existing Select demos are unaffected

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