v0.2.2

🧪 Testing

• Test infrastructure refactoring: Consolidated test utilities into tests/common/mod.rs
• Test reorganization: Merged 4 test files into 2 clear files (test_installation.rs, test_hooks.rs)
• New test scenarios: Git worktrees, multiple hooks (10 types), error message validation
• Total: 41 tests covering submodules, workspaces, worktrees, and edge cases

🔧 CI/CD

• Code coverage: Added coverage.yml workflow with tarpaulin and Codecov integration
• Coverage badge: Added to README

📦 Build

• Makefile improvements:
  • Added make coverage target
  • Added make doc-check target
  • Included doc-check in make ci
  • Fixed CRLF line endings
• .gitignore: Added coverage report files

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