FA-35824 / Tab interfaces / Member archive

Save before close: save required · case 04

The tab workspace reports an incorrect save required.

Member previewVariant 4 · 3 implementations · 6 checks per implementation

Case contract

Closing a dirty tab waits for its save generation, accepts only matching successful completion, retains the tab on error/cancel and clears dirty only at the saved revision.

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	`[false, true, true, true, true, false]`	`[true, true, true, true, true, false]`	Failed

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