# macOS
.DS_Store
.AppleDouble
.LSOverride

# Build directories
build/
build-*/
build_*/
code/build*/

# CMake
CMakeCache.txt
CMakeFiles/
cmake_install.cmake
CTestTestfile.cmake

# Test output
*.xml
Testing/

# IDE
.idea/
.vscode/
*.user
*.suo

# Claude Code worktrees + local/session data (but track shared project config)
.claude/*
!.claude/settings.json
!.claude/token-hygiene.md

# Doxygen output
doc/doxygen/
*.dox.tmp

# Downloaded research papers (large PDFs, not tracked)
papers/*.pdf