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Accessible relationship resolution: Relationships resolve to incompatible widget roles · case 05

Relationships resolve to incompatible widget roles.

Member previewVariant 5 · 3 implementations · 11 checks per implementation

Case contract

Resolve target IDs in caller order, deduplicate, and exclude self references, missing nodes, incompatible roles and hidden targets.

Why this case matters

A deterministic model of accessible relationship resolution; this isolates one interface invariant without requiring a browser.

One recorded failure

Sample boundary fixture

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

Boundary fixtureActualExpectedOutcome
role["bad", "a"]["a"]Failed

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

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