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Implement unified diff visualization for Edit, MultiEdit, and Write tools

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- Add LCS-based diff algorithm with intelligent line matching
- Show proper line numbers from actual file positions
- Display color-coded additions (green), removals (red), and context lines
- Include summary statistics (+X lines added, -Y lines removed)
- Simplify tool use previews, show detailed diffs in tool results
- Parse tool result content to extract line numbers
- Update styling with monospace font and VS Code git colors

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
andrepimenta
2025-12-01 15:09:20 +00:00
parent d891070d9e
commit dd47efec04
3 changed files with 261 additions and 222 deletions
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35
src/ui-styles.ts
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@@ -1076,20 +1076,25 @@ const styles = `
.diff-line {
padding: 2px 12px;
white-space: pre-wrap;
word-break: break-word;
white-space: pre;
font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Courier New', monospace;
font-size: 12px;
line-height: 1.5;
}
.diff-line.context {
color: var(--vscode-editor-foreground);
opacity: 0.8;
}
.diff-line.removed {
background-color: rgba(244, 67, 54, 0.1);
border-left: 3px solid rgba(244, 67, 54, 0.6);
color: var(--vscode-foreground);
color: var(--vscode-gitDecoration-deletedResourceForeground, rgba(244, 67, 54, 0.9));
}
.diff-line.added {
background-color: rgba(76, 175, 80, 0.1);
border-left: 3px solid rgba(76, 175, 80, 0.6);
color: var(--vscode-foreground);
color: var(--vscode-gitDecoration-addedResourceForeground, rgba(76, 175, 80, 0.9));
}
.diff-line.removed::before {
@@ -1159,6 +1164,24 @@ const styles = `
margin: 12px 0;
}
.diff-summary {
margin-top: 8px;
padding: 8px 12px;
border-top: 1px solid var(--vscode-panel-border);
color: var(--vscode-descriptionForeground);
font-size: 11px;
font-weight: 500;
background-color: var(--vscode-editor-background);
}
.diff-preview {
padding: 4px 12px;
color: var(--vscode-descriptionForeground);
font-size: 12px;
font-style: italic;
opacity: 0.9;
}
/* File path display styles */
.diff-file-path {
padding: 8px 12px;