FA-35709 / Tab interfaces / Member archive

Tab label disambiguation: dirty marker · case 04

The tab workspace reports an incorrect dirty marker.

Member previewVariant 4 · 3 implementations · 7 checks per implementation

Case contract

Duplicate basenames receive parent-directory suffixes; singleton basenames remain short. Dirty marker, pin marker and tooltip are independent label channels.

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	`["main.pyxxx \u2014 src", "", "pin", "/project/src/main.py", "main.py\u2026", "main.pyxxx src"]`	`["main.pyxxx \u2014 src", "\u2022", "pin", "/project/src/main.py", "main.py\u2026", "main.pyxxx src"]`	Failed

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

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