[prabothcharith]

Summary of changes

• Implements reflow-safe stepwise text scaling (1.0, 1.125, 1.25, 1.5, 2.0) via scoped CSS properties without CSS transforms (closes [A11Y-201] Bigger text and reflow-safe scaling #41).
• Introduces TextScaleController component dedicated to WCAG SC 1.4.4 / 1.4.10 reflow-safe text enlargement.
• Enhances FontSizeController with stepScale and custom steps props while maintaining backward compatibility with continuous 10% steps.
• Exports TEXT_SCALE_STEPS, TextScaleStep, TEXT_SCALE_PROTECTED_SELECTOR, and isProtectedFromTextScale.
• Protects form controls (\input, \ extarea, \select, \�utton), labels, code blocks (\pre, \code, \kbd, \samp), vector icons (\svg, [data-icon]), and widget internals from destructive font-size and line-height mutations.
• Measures all baselines before writing inline styles, preventing nested compounding across deep DOM trees.
• Wires \ontScale\ and \ extScale\ into \eatureSchema\ builtins and \�ffects.ts, providing full runtime support for accessibility profiles (e.g. Cognitive and Low Vision).
• Adds unit test coverage in \ ests/textScaling.test.tsx\ (130/130 unit tests passing) and browser integration test in \ ests/browser/widget.spec.ts\ (10/10 Chromium browser tests passing).
• Bumps version to \2.4.0\ and updates documentation (\README.md, \docs/API.md, \docs/FEATURES.md, \docs/BUILD_AND_RELEASE_PLAN.md, \CHANGELOG.md).

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Review	Status	Commit	Review trigger
📝 Code Review	⚠️ Failed 2026-10-23T04:29:32.860340Z We couldn’t complete this review. Comment @codex review to try again.	712dd43	PR opened

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