FA-35774 / Tab interfaces / Member archive

Overflow menu map: active overflow badge · case 04

The tab workspace reports an incorrect active overflow badge.

Member previewVariant 4 · 3 implementations · 6 checks per implementation

Case contract

An overflow menu represents only fully hidden tabs in visual order, retains ID despite duplicate labels, exposes active/dirty badges, and locates original strip indices.

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	`[["a", "c", "extra0", "extra1", "extra2"], [["one", "a"], ["three", "c"], ["additional", "extra0"], ["additional", "extra1"], ["additional", "extra2"]], true, [], [0, 2, 4, 5, 6], ["one", "three", "additional", "additional", "additional"]]`	`[["a", "c", "extra0", "extra1", "extra2"], [["one", "a"], ["three", "c"], ["additional", "extra0"], ["additional", "extra1"], ["additional", "extra2"]], false, [], [0, 2, 4, 5, 6], ["one", "three", "additional", "additional", "additional"]]`	Failed

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