FA-12354 / Manufacturing workflow integrity / Member archive
Merged lot genealogy loses one input branch · case 04
Merged lot genealogy loses one input branch.
Case contract
Given an acyclic parent mapping, return sorted terminal ancestors of a lot; an unmapped or parentless lot is a source.
Why this case matters
A deterministic manufacturing record model isolates this workflow defect before equipment or enterprise integration.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| both upstream branches | ["0"] | ["0", "b"] | Failed |
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