FA-36357 / Tab interfaces / Member archive

Maximize pane restore: restore active pane · case 02

The tab workspace reports an incorrect restore active pane.

Member previewVariant 2 · 3 implementations · 7 checks per implementation

Case contract

Maximizing a pane temporarily hides peers without changing split tree weights. Restoring returns saved divider positions, panel scroll positions and active pane.

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 2	`[["p"], [2, 3, 5], ["p", "q", "r"], ["q", "r"], {"p": 40, "q": 80, "r": 120}, "q"]`	`[["p"], [2, 3, 5], ["p", "q", "r"], ["q", "r"], {"p": 40, "q": 80, "r": 120}, "p"]`	Failed

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

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