first add

.gitignore

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+# Pixi
+.pixi/
+pixi.lock
+
+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+
+# Jupyter Notebook
+.ipynb_checkpoints
+*.ipynb_checkpoints/
+
+# Virtual environments
+venv/
+ENV/
+env/
+
+# IDEs
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+
+# Output files
+output/fragments/macro_*/
+output/*.csv
+output/*.json
+analysis/*.png
+analysis/*.json
+analysis/*.txt
+
+# Keep directory structure
+!output/.gitkeep
+!analysis/.gitkeep
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Temporary files
+*.log
+*.tmp
+temp_*
+
+archive/
+data/
+*.png
+output/
+site/
+docs/