Add opt-in original/low/high/grayscale with documented chart/image risks, forced-color protection and instant reset across Chromium/Firefox/WebKit. Acceptance: Screenshots/computed styles prove no stale filters or hidden information. Master guidance: [https://github.com/prabothcharith/accessibility-react/blob/main/docs/DEVELOPMENT.md](https://github.com/prabothcharith/accessibility-react/blob/main/docs/DEVELOPMENT.md).
Activity
Merge pull request #135 from prabothcharith/feature/a11y-402-saturati…