Fix Git 'fatal: refusing to merge unrelated histories' on GitHub - Fix npm ERR! enoent ENOENT: package.json Not Found in node_modules-Resolving Python Dependency Conflicts in pyproject.toml

Extra verification checklist

• Restart the affected app after changing permissions or configuration files.
• Test the same workflow in a clean browser profile or a temporary user account.
• Compare the result on another network if the error may be connection related.