FA-36057 / Tab interfaces / Member archive

Unpin restoration: new pin count · case 02

The tab workspace reports an incorrect new pin count.

Member previewVariant 2 · 3 implementations · 6 checks per implementation

Case contract

Unpin restores a tab after the remaining pin prefix at its saved unpinned rank, clamps rank to the current normal partition and restores surviving group membership.

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"], 2, 3, ["a", "b", "p", "c", "extra0"], "g", 2]`	`[["q"], 2, 3, ["a", "b", "p", "c", "extra0"], "g", 1]`	Failed

MEMBER ARCHIVE

The complete case is available to members.

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

Member access is invitation-based. Sign in with your invited account to inspect the sources.