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Prerequisite manifest merge: Later rules reset an earlier target list · case 05

Later rules reset an earlier target list.

Member previewVariant 5 · 3 implementations · 6 checks per implementation

Case contract

Merge prerequisite lists by target, preserving first occurrence order, retaining previous prerequisites, ignoring self references, and retaining empty targets.

Why this case matters

An offline model of prerequisite manifest merge, 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 2	`{"a": ["c"]}`	`{"a": ["b", "c"]}`	Failed

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

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