Git Merge Unrelated Histories: When and How to Use --allow-unrelated-histories - How to Fix Update Error 0x80070005 with Clean Boot-Troubleshooting npm Permission Errors in VS Code

Prepare
Execute
Validate
Document
Operational follow-up
- Record the exact option, command, or setting that changed the result.
- Keep a rollback note if the workflow affects shared files or team settings.