chore: update .gitignore and clean up package-lock.json

.gitignore

@@ -1,11 +1,60 @@
+# Dependencies
 node_modules/
-dist/
-.expo/
+.venv/
+venv/
+env/
+*.egg-info/
+.venv/
+
+# Build / output
+/dist/
+/build/
+/.expo/
+/.expo-shared/
+/android/
+/ios/
+/.next/
+/out/
+coverage/
+*.tsbuildinfo
+
+# Logs
 *.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pip-log.txt
+
+# OS / editor files
 .DS_Store
-.browser-libs/
-core
+Thumbs.db
+.vscode/
+.idea/
+*.swp
+*.swo
+
+# Environment / secrets
+.env
+.env.*
+!.env.example
+
+# Python
 __pycache__/
 *.py[cod]
+*$py.class
 .pytest_cache/
+.mypy_cache/
+.pytype/
+htmlcov/
+
+# Databases / local data
+*.db
+*.sqlite3
 test_*.db
+*.sqlite
+
+# Misc
+.browser-libs/
+core
+.tmp/
+*.tmp