Tool skill for protecting key results from unintended changes. Drift tests are the current/default mechanism.
References
Load only the reference needed for the protection mechanism in use:
| Reference | Load when |
|---|---|
references/drift-test-quality.md |
Writing, refreshing, or reviewing drift/regression tests for key results; always for Stage: protection when drift/regression tests are the mechanism. |
The active domain skill's stage-load table routes any domain-specific drift-test reference at the protection stage; load it per that table.
Scope Gate
[BLOCKING]Protect researcher-confirmed key results, not every intermediate number.[BLOCKING]A protection update that changes expected results requires the same escalation as a meaningful result change.