Add diff highlighting for Edit tool results #283
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- Add SimpleDiffHighlighter component for color-coded diff display - Add simpleDiffDetector utility for parsing diff content - Enable diff highlighting in both preview and expanded states - Preserve original Edit tool styling (font, spacing, layout) - Support light/dark theme color schemes - Only highlight content with +/- diff markers - Focus: Edit tools only, no MarkdownRenderer changes 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <[email protected]>
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Description
Adds color-coded diff highlighting to Edit tool results, making additions and removals visually distinct with green and red backgrounds while preserving the original Edit tool styling and layout.
Type of Change
Please add the appropriate label(s) to this PR and check the relevant box(es):
bug- Bug fix (non-breaking change which fixes an issue)feature- New feature (non-breaking change which adds functionality)breaking- Breaking change (fix or feature that would cause existing functionality to not work as expected)documentation- Documentation updateperformance- Performance improvementrefactor- Code refactoringtest- Adding or updating testschore- Maintenance, dependencies, toolingChanges Made
SimpleDiffHighlighter.tsxcomponent for rendering diff content with color highlightingsimpleDiffDetector.tsutility for parsing lines with +/- diff markersCollapsibleDetails.tsxfor both preview and expanded statesMessageComponents.tsxTesting
make test- no new test failures)make format)npm run typecheck)