v3.1.0

Added

• Proper support for renamed/moved files in git status
  • Same directory renames show as: file.rb -> new_file.rb (R+)
  • Cross-directory moves show full destination path: file.rb -> lib/file.rb (R+)
  • Maintains correct tree structure showing original file location
• RuboCop code style checks integrated into test suite
• SimpleCov code coverage analysis
  • Coverage reports generated in coverage/ directory
  • HTML and JSON format coverage reports
  • Tests fail if coverage drops
  • Can be disabled with COVERAGE=false environment variable
• Comprehensive test coverage for GitStatusTree class
• Test coverage for Node status methods (modified?, added?, etc.)
• Test coverage for NodesCollection comparison and validation methods
• Code coverage improved from 87.73% to 100%

Fixed

• Fixed incorrect tree display for renamed files that previously showed duplicated path structure (#15)