A provider update can change behaviour overnight.
Where this breaks
Teams test the model once while retrieval, tools and policies continue changing.
The operating move
Version the full workflow and require consequence-based tests before material change.
Value object — The operational card
- Changed component
- Affected data and actions
- Required evaluation
- Rollback state
The test
Replay the same sensitive test set before and after a change; unexplained differences block release.