FA-36340 / Tab interfaces / Member archive

Maximize pane restore: split weights preservation · case 05

The tab workspace reports an incorrect split weights preservation.

Member previewVariant 5 · 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 0	`[["q"], [1, 1, 1], ["p", "q", "r"], ["p", "r"], {"p": 100, "q": 200, "r": 300}, "q"]`	`[["q"], [2, 3, 5], ["p", "q", "r"], ["p", "r"], {"p": 100, "q": 200, "r": 300}, "q"]`	Failed

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

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