Code sketch. Download cache working.

.gitignore

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+# Environment and API keys
+.env
+
+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
+build/
+dist/
+wheels/
+*.egg-info
+.venv/
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Package managers  
+uv.lock
+pip-*.txt
+
+# IDEs
+.vscode/
+.idea/
+*.swp
+*.swo
+.ruff_cache/
+
+
+# OS
+.DS_Store
+Thumbs.db
+.directory
+
+# Logs
+*.log
+logs/
+
+# Temporary files
+temp/
+tmp/
+.tmp/
+
+data/
+logs/
+uscode-git-datastore/
+uscode-git-blame/
+download_cache/
+download_cache
+cache/