Add scroll locking feature with proportional sync#132
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Implements the lockScrolling option (now enabled by default) that synchronizes scrolling between left and right editors. Uses proportional positioning to handle documents of different sizes - scrolling to 50% in one editor scrolls the other to 50% as well. Closes #21 Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Use Cypress retry mechanism instead of fixed wait for more reliable scroll sync assertion. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Wait for Ace gutter cells before testing scroll sync - Force Ace editor resize in headless mode to ensure lineHeight is calculated - Add defensive lineHeight fallback for headless environments - Upload Cypress screenshots/videos as artifacts when tests fail Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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Implements the lockScrolling option (now enabled by default) that synchronizes scrolling between left and right editors. Uses proportional positioning to handle documents of different sizes - scrolling to 50% in one editor scrolls the other to 50% as well.
Closes #21