FA-10170 / Deployment models / Member archive

Rollback revision selection: A garbage-collected revision is selected · case 05

A garbage-collected revision is selected.

Member previewVariant 5 · 3 implementations · 10 checks per implementation

Case contract

Choose the highest earlier revision that is successful, retained, compatible with current schema, and different from the active revision. Return None when no rollback target exists.

Why this case matters

An offline model of rollback revision selection, suitable for testing build and release tooling without external services.

One recorded failure

Sample boundary fixture

This sample comes from the broken implementation of a controlled reproducer.

Boundary fixture	Actual	Expected	Outcome
fixture 6	`4`	`2`	Failed

MEMBER ARCHIVE

The complete case is available to members.

This record includes three runnable implementations, regression fixtures, execution results, and source hashes.

Member access is invitation-based. Sign in with your invited account to inspect the sources.