- Add GitEvent types (GitStatusEvent, GitCommitEvent, GitBranchEvent, GitDiffEvent)
- Implement git event parsing in gitParser.ts
- Support parsing git status (staged, unstaged, untracked files)
- Support parsing git commits with file changes
- Support parsing git branch information
- Support parsing git diff output with line counts
- Add comprehensive unit tests (19 tests)
- All tests pass (1011 total tests)
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Co-Authored-By: Claude <noreply@anthropic.com>
