Resolving a workflow merge conflict with a tool left a .orig backup beside the real file, and a tool add swept it in. The repo now carries a frozen, contradictory copy of its CI that nothing runs.
Run a tool status before every commit after patch. Backup files are silent and look like sources.
One file per truth. A stale copy beside the real one is a second source of truth by accident.
One file per truth. A stale copy beside the real one is a second source of truth by accident.