FA-36115 / Tab interfaces / Member archive

Tab hit regions: grip hit · case 05

The tab workspace reports an incorrect grip hit.

Member previewVariant 5 · 3 implementations · 7 checks per implementation

Case contract

A tab has half-open body, close-button and resize-grip regions in local coordinates. Clip hit targets to its visible strip intersection and prioritize close over body.

Why this case matters

Offline tab/panel workspace behavior; no browser or desktop framework is emulated.

One recorded failure

Sample boundary fixture

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

Boundary fixture	Actual	Expected	Outcome
workspace regression 1	`[400, true, true, true, true, "close"]`	`[400, true, true, true, false, "close"]`	Failed

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

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