FA-36330 / Tab interfaces / Member archive

Comparison tab pair: identical version shortcut · case 05

The tab workspace reports an incorrect identical version shortcut.

Member previewVariant 5 · 3 implementations · 7 checks per implementation

Case contract

A comparison tab binds ordered left/right document revisions, labels the direction, permits edits only on editable right side and handles same-document different-revision comparisons.

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 3	`[["a", 10], ["a", 20], "a \u2192 a", ["a", 10, "a", 20], true, true]`	`[["a", 10], ["a", 20], "a \u2192 a", ["a", 10, "a", 20], true, false]`	Failed

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