Squash merge feature/library-reorganization

.gitignore

@@ -0,0 +1,24 @@
+.DS_Store
+.env
+secrets/*.txt
+secrets/*.pem
+__pycache__/
+*.pyc
+.pytest_cache/
+.mypy_cache/
+.ruff_cache/
+.coverage
+htmlcov/
+backend/.venv/
+backend/*.egg-info/
+backend/uploads/
+backend/normalized/
+backend/.pytest_cache/
+frontend/node_modules/
+frontend/dist/
+frontend/.vite/
+frontend/vite.config.js
+frontend/vite.config.d.ts
+logs/
+*.sqlite3
+*.db