{"abstract":"The tab workspace reports an incorrect dirty marker.","category":"Tab interfaces","checks":7,"contract":"Duplicate basenames receive parent-directory suffixes; singleton basenames remain short. Dirty marker, pin marker and tooltip are independent label channels.","contract_signature":"x","evaluation_group":"s3-tabs-tab-label-disambiguation","failed_approach":"The partial repair '*' if x['dirty'] and not x['pinned'] else '' still violates a workspace boundary or normal case.","family":"s3-tab-interfaces-tab-label-disambiguation-dirty-marker","id":"FA-35706","implementations":{"attempt":{"sha256":"6210881622746c6a94706b63ae3608c2973a417ed60296ea53528fd5ff512f5c","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(x):\n    r0 = x['name']+' — '+x['parent'] if x['duplicates']>1 else x['name']\n    r1 = '*' if x['dirty'] and not x['pinned'] else ''\n    r2 = 'pin' if x['pinned'] else ''\n    r3 = x['path']\n    r4 = x['name'] if len(x['name'])<=x['max_chars'] else x['name'][:max(0,x['max_chars']-1)]+'…'\n    r5 = x['name']+' '+x['parent']\n    return [r0,r1,r2,r3,r4,r5]\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = {1: [({'name': 'main.py', 'parent': 'src', 'duplicates': 2, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.py \\u2014 src', '\\u2022', 'pin', '/project/src/main.py', 'main.py', 'main.py src']), ({'name': 'main.py', 'parent': 'src', 'duplicates': 1, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.py', '\\u2022', 'pin', '/project/src/main.py', 'main.py', 'main.py src']), ({'name': 'main.py', 'parent': 'src', 'duplicates': 2, 'dirty': False, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.py \\u2014 src', '', 'pin', '/project/src/main.py', 'main.py', 'main.py src']), ({'name': 'main.py', 'parent': 'src', 'duplicates': 2, 'dirty': True, 'pinned': False, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.py \\u2014 src', '\\u2022', '', '/project/src/main.py', 'main.py', 'main.py src']), ({'name': 'x', 'parent': 'src', 'duplicates': 2, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 1}, ['x \\u2014 src', '\\u2022', 'pin', '/project/src/main.py', 'x', 'x src']), ({'name': 'main.py', 'parent': 'tests', 'duplicates': 2, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.py \\u2014 tests', '\\u2022', 'pin', '/project/src/main.py', 'main.py', 'main.py tests']), ({'name': 'main.py', 'parent': 'src', 'duplicates': 2, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 4}, ['main.py \\u2014 src', '\\u2022', 'pin', '/project/src/main.py', 'mai\\u2026', 'main.py src'])], 2: [({'name': 'main.pyx', 'parent': 'src', 'duplicates': 2, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.pyx \\u2014 src', '\\u2022', 'pin', '/project/src/main.py', 'main.pyx', 'main.pyx src']), ({'name': 'main.pyx', 'parent': 'src', 'duplicates': 1, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.pyx', '\\u2022', 'pin', '/project/src/main.py', 'main.pyx', 'main.pyx src']), ({'name': 'main.pyx', 'parent': 'src', 'duplicates': 2, 'dirty': False, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.pyx \\u2014 src', '', 'pin', '/project/src/main.py', 'main.pyx', 'main.pyx src']), ({'name': 'main.pyx', 'parent': 'src', 'duplicates': 2, 'dirty': True, 'pinned': False, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.pyx \\u2014 src', '\\u2022', '', '/project/src/main.py', 'main.pyx', 'main.pyx src']), ({'name': 'xx', 'parent': 'src', 'duplicates': 2, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 1}, ['xx \\u2014 src', '\\u2022', 'pin', '/project/src/main.py', '\\u2026', 'xx src']), ({'name': 'main.pyx', 'parent': 'tests', 'duplicates': 2, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.pyx \\u2014 tests', '\\u2022', 'pin', '/project/src/main.py', 'main.pyx', 'main.pyx tests']), ({'name': 'main.pyx', 'parent': 'src', 'duplicates': 2, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 4}, ['main.pyx \\u2014 src', '\\u2022', 'pin', '/project/src/main.py', 'mai\\u2026', 'main.pyx src'])], 3: [({'name': 'main.pyxx', 'parent': 'src', 'duplicates': 2, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.pyxx \\u2014 src', '\\u2022', 'pin', '/project/src/main.py', 'main.py\\u2026', 'main.pyxx src']), ({'name': 'main.pyxx', 'parent': 'src', 'duplicates': 1, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.pyxx', '\\u2022', 'pin', '/project/src/main.py', 'main.py\\u2026', 'main.pyxx src']), ({'name': 'main.pyxx', 'parent': 'src', 'duplicates': 2, 'dirty': False, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.pyxx \\u2014 src', '', 'pin', '/project/src/main.py', 'main.py\\u2026', 'main.pyxx src']), ({'name': 'main.pyxx', 'parent': 'src', 'duplicates': 2, 'dirty': True, 'pinned': False, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.pyxx \\u2014 src', '\\u2022', '', '/project/src/main.py', 'main.py\\u2026', 'main.pyxx src']), ({'name': 'xxx', 'parent': 'src', 'duplicates': 2, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 1}, ['xxx \\u2014 src', '\\u2022', 'pin', '/project/src/main.py', '\\u2026', 'xxx src']), ({'name': 'main.pyxx', 'parent': 'tests', 'duplicates': 2, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.pyxx \\u2014 tests', '\\u2022', 'pin', '/project/src/main.py', 'main.py\\u2026', 'main.pyxx tests']), ({'name': 'main.pyxx', 'parent': 'src', 'duplicates': 2, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 4}, ['main.pyxx \\u2014 src', '\\u2022', 'pin', '/project/src/main.py', 'mai\\u2026', 'main.pyxx src'])], 4: [({'name': 'main.pyxxx', 'parent': 'src', 'duplicates': 2, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.pyxxx \\u2014 src', '\\u2022', 'pin', '/project/src/main.py', 'main.py\\u2026', 'main.pyxxx src']), ({'name': 'main.pyxxx', 'parent': 'src', 'duplicates': 1, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.pyxxx', '\\u2022', 'pin', '/project/src/main.py', 'main.py\\u2026', 'main.pyxxx src']), ({'name': 'main.pyxxx', 'parent': 'src', 'duplicates': 2, 'dirty': False, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.pyxxx \\u2014 src', '', 'pin', '/project/src/main.py', 'main.py\\u2026', 'main.pyxxx src']), ({'name': 'main.pyxxx', 'parent': 'src', 'duplicates': 2, 'dirty': True, 'pinned': False, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.pyxxx \\u2014 src', '\\u2022', '', '/project/src/main.py', 'main.py\\u2026', 'main.pyxxx src']), ({'name': 'xxxx', 'parent': 'src', 'duplicates': 2, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 1}, ['xxxx \\u2014 src', '\\u2022', 'pin', '/project/src/main.py', '\\u2026', 'xxxx src']), ({'name': 'main.pyxxx', 'parent': 'tests', 'duplicates': 2, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.pyxxx \\u2014 tests', '\\u2022', 'pin', '/project/src/main.py', 'main.py\\u2026', 'main.pyxxx tests']), ({'name': 'main.pyxxx', 'parent': 'src', 'duplicates': 2, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 4}, ['main.pyxxx \\u2014 src', '\\u2022', 'pin', '/project/src/main.py', 'mai\\u2026', 'main.pyxxx src'])], 5: [({'name': 'main.pyxxxx', 'parent': 'src', 'duplicates': 2, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.pyxxxx \\u2014 src', '\\u2022', 'pin', '/project/src/main.py', 'main.py\\u2026', 'main.pyxxxx src']), ({'name': 'main.pyxxxx', 'parent': 'src', 'duplicates': 1, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.pyxxxx', '\\u2022', 'pin', '/project/src/main.py', 'main.py\\u2026', 'main.pyxxxx src']), ({'name': 'main.pyxxxx', 'parent': 'src', 'duplicates': 2, 'dirty': False, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.pyxxxx \\u2014 src', '', 'pin', '/project/src/main.py', 'main.py\\u2026', 'main.pyxxxx src']), ({'name': 'main.pyxxxx', 'parent': 'src', 'duplicates': 2, 'dirty': True, 'pinned': False, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.pyxxxx \\u2014 src', '\\u2022', '', '/project/src/main.py', 'main.py\\u2026', 'main.pyxxxx src']), ({'name': 'xxxxx', 'parent': 'src', 'duplicates': 2, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 1}, ['xxxxx \\u2014 src', '\\u2022', 'pin', '/project/src/main.py', '\\u2026', 'xxxxx src']), ({'name': 'main.pyxxxx', 'parent': 'tests', 'duplicates': 2, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.pyxxxx \\u2014 tests', '\\u2022', 'pin', '/project/src/main.py', 'main.py\\u2026', 'main.pyxxxx tests']), ({'name': 'main.pyxxxx', 'parent': 'src', 'duplicates': 2, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 4}, ['main.pyxxxx \\u2014 src', '\\u2022', 'pin', '/project/src/main.py', 'mai\\u2026', 'main.pyxxxx src'])]}\nfor i, (inputs, expected) in enumerate(fixtures[N]):\n    check(\"workspace regression \"+str(i), solve(inputs), expected)\nprint(json.dumps({\"observations\": observations, \"passed\": all(x[\"passed\"] for x in observations)}, ensure_ascii=False))\nraise SystemExit(0 if all(x[\"passed\"] for x in observations) else 1)\n"},"broken":{"sha256":"706aa2e0ab92c6a3b862ece1692726ddc1225fb10bae797b30cc9181ee88b02b","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(x):\n    r0 = x['name']+' — '+x['parent'] if x['duplicates']>1 else x['name']\n    r1 = ''\n    r2 = 'pin' if x['pinned'] else ''\n    r3 = x['path']\n    r4 = x['name'] if len(x['name'])<=x['max_chars'] else x['name'][:max(0,x['max_chars']-1)]+'…'\n    r5 = x['name']+' '+x['parent']\n    return [r0,r1,r2,r3,r4,r5]\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = {1: [({'name': 'main.py', 'parent': 'src', 'duplicates': 2, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.py \\u2014 src', '\\u2022', 'pin', '/project/src/main.py', 'main.py', 'main.py src']), ({'name': 'main.py', 'parent': 'src', 'duplicates': 1, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.py', '\\u2022', 'pin', '/project/src/main.py', 'main.py', 'main.py src']), ({'name': 'main.py', 'parent': 'src', 'duplicates': 2, 'dirty': False, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.py \\u2014 src', '', 'pin', '/project/src/main.py', 'main.py', 'main.py src']), ({'name': 'main.py', 'parent': 'src', 'duplicates': 2, 'dirty': True, 'pinned': False, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.py \\u2014 src', '\\u2022', '', '/project/src/main.py', 'main.py', 'main.py src']), ({'name': 'x', 'parent': 'src', 'duplicates': 2, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 1}, ['x \\u2014 src', '\\u2022', 'pin', '/project/src/main.py', 'x', 'x src']), ({'name': 'main.py', 'parent': 'tests', 'duplicates': 2, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.py \\u2014 tests', '\\u2022', 'pin', '/project/src/main.py', 'main.py', 'main.py tests']), ({'name': 'main.py', 'parent': 'src', 'duplicates': 2, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 4}, ['main.py \\u2014 src', '\\u2022', 'pin', '/project/src/main.py', 'mai\\u2026', 'main.py src'])], 2: [({'name': 'main.pyx', 'parent': 'src', 'duplicates': 2, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.pyx \\u2014 src', '\\u2022', 'pin', '/project/src/main.py', 'main.pyx', 'main.pyx src']), ({'name': 'main.pyx', 'parent': 'src', 'duplicates': 1, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.pyx', '\\u2022', 'pin', '/project/src/main.py', 'main.pyx', 'main.pyx src']), ({'name': 'main.pyx', 'parent': 'src', 'duplicates': 2, 'dirty': False, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.pyx \\u2014 src', '', 'pin', '/project/src/main.py', 'main.pyx', 'main.pyx src']), ({'name': 'main.pyx', 'parent': 'src', 'duplicates': 2, 'dirty': True, 'pinned': False, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.pyx \\u2014 src', '\\u2022', '', '/project/src/main.py', 'main.pyx', 'main.pyx src']), ({'name': 'xx', 'parent': 'src', 'duplicates': 2, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 1}, ['xx \\u2014 src', '\\u2022', 'pin', '/project/src/main.py', '\\u2026', 'xx src']), ({'name': 'main.pyx', 'parent': 'tests', 'duplicates': 2, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.pyx \\u2014 tests', '\\u2022', 'pin', '/project/src/main.py', 'main.pyx', 'main.pyx tests']), ({'name': 'main.pyx', 'parent': 'src', 'duplicates': 2, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 4}, ['main.pyx \\u2014 src', '\\u2022', 'pin', '/project/src/main.py', 'mai\\u2026', 'main.pyx src'])], 3: [({'name': 'main.pyxx', 'parent': 'src', 'duplicates': 2, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.pyxx \\u2014 src', '\\u2022', 'pin', '/project/src/main.py', 'main.py\\u2026', 'main.pyxx src']), ({'name': 'main.pyxx', 'parent': 'src', 'duplicates': 1, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.pyxx', '\\u2022', 'pin', '/project/src/main.py', 'main.py\\u2026', 'main.pyxx src']), ({'name': 'main.pyxx', 'parent': 'src', 'duplicates': 2, 'dirty': False, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.pyxx \\u2014 src', '', 'pin', '/project/src/main.py', 'main.py\\u2026', 'main.pyxx src']), ({'name': 'main.pyxx', 'parent': 'src', 'duplicates': 2, 'dirty': True, 'pinned': False, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.pyxx \\u2014 src', '\\u2022', '', '/project/src/main.py', 'main.py\\u2026', 'main.pyxx src']), ({'name': 'xxx', 'parent': 'src', 'duplicates': 2, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 1}, ['xxx \\u2014 src', '\\u2022', 'pin', '/project/src/main.py', '\\u2026', 'xxx src']), ({'name': 'main.pyxx', 'parent': 'tests', 'duplicates': 2, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.pyxx \\u2014 tests', '\\u2022', 'pin', '/project/src/main.py', 'main.py\\u2026', 'main.pyxx tests']), ({'name': 'main.pyxx', 'parent': 'src', 'duplicates': 2, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 4}, ['main.pyxx \\u2014 src', '\\u2022', 'pin', '/project/src/main.py', 'mai\\u2026', 'main.pyxx src'])], 4: [({'name': 'main.pyxxx', 'parent': 'src', 'duplicates': 2, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.pyxxx \\u2014 src', '\\u2022', 'pin', '/project/src/main.py', 'main.py\\u2026', 'main.pyxxx src']), ({'name': 'main.pyxxx', 'parent': 'src', 'duplicates': 1, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.pyxxx', '\\u2022', 'pin', '/project/src/main.py', 'main.py\\u2026', 'main.pyxxx src']), ({'name': 'main.pyxxx', 'parent': 'src', 'duplicates': 2, 'dirty': False, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.pyxxx \\u2014 src', '', 'pin', '/project/src/main.py', 'main.py\\u2026', 'main.pyxxx src']), ({'name': 'main.pyxxx', 'parent': 'src', 'duplicates': 2, 'dirty': True, 'pinned': False, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.pyxxx \\u2014 src', '\\u2022', '', '/project/src/main.py', 'main.py\\u2026', 'main.pyxxx src']), ({'name': 'xxxx', 'parent': 'src', 'duplicates': 2, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 1}, ['xxxx \\u2014 src', '\\u2022', 'pin', '/project/src/main.py', '\\u2026', 'xxxx src']), ({'name': 'main.pyxxx', 'parent': 'tests', 'duplicates': 2, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.pyxxx \\u2014 tests', '\\u2022', 'pin', '/project/src/main.py', 'main.py\\u2026', 'main.pyxxx tests']), ({'name': 'main.pyxxx', 'parent': 'src', 'duplicates': 2, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 4}, ['main.pyxxx \\u2014 src', '\\u2022', 'pin', '/project/src/main.py', 'mai\\u2026', 'main.pyxxx src'])], 5: [({'name': 'main.pyxxxx', 'parent': 'src', 'duplicates': 2, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.pyxxxx \\u2014 src', '\\u2022', 'pin', '/project/src/main.py', 'main.py\\u2026', 'main.pyxxxx src']), ({'name': 'main.pyxxxx', 'parent': 'src', 'duplicates': 1, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.pyxxxx', '\\u2022', 'pin', '/project/src/main.py', 'main.py\\u2026', 'main.pyxxxx src']), ({'name': 'main.pyxxxx', 'parent': 'src', 'duplicates': 2, 'dirty': False, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.pyxxxx \\u2014 src', '', 'pin', '/project/src/main.py', 'main.py\\u2026', 'main.pyxxxx src']), ({'name': 'main.pyxxxx', 'parent': 'src', 'duplicates': 2, 'dirty': True, 'pinned': False, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.pyxxxx \\u2014 src', '\\u2022', '', '/project/src/main.py', 'main.py\\u2026', 'main.pyxxxx src']), ({'name': 'xxxxx', 'parent': 'src', 'duplicates': 2, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 1}, ['xxxxx \\u2014 src', '\\u2022', 'pin', '/project/src/main.py', '\\u2026', 'xxxxx src']), ({'name': 'main.pyxxxx', 'parent': 'tests', 'duplicates': 2, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 8}, ['main.pyxxxx \\u2014 tests', '\\u2022', 'pin', '/project/src/main.py', 'main.py\\u2026', 'main.pyxxxx tests']), ({'name': 'main.pyxxxx', 'parent': 'src', 'duplicates': 2, 'dirty': True, 'pinned': True, 'path': '/project/src/main.py', 'max_chars': 4}, ['main.pyxxxx \\u2014 src', '\\u2022', 'pin', '/project/src/main.py', 'mai\\u2026', 'main.pyxxxx src'])]}\nfor i, (inputs, expected) in enumerate(fixtures[N]):\n    check(\"workspace regression \"+str(i), solve(inputs), expected)\nprint(json.dumps({\"observations\": observations, \"passed\": all(x[\"passed\"] for x in observations)}, ensure_ascii=False))\nraise SystemExit(0 if all(x[\"passed\"] for x in observations) else 1)\n"}},"limitations":"Finite stipulated workspace snapshots only. Independent result fields describe observable obligations, not a full UI runtime. This reproducer isolates one failure mechanism. Results cover the supplied fixtures. Variants within a family share a test contract and should remain grouped when constructing evaluation splits. Related mechanisms with a shared evaluation_group must also remain together; these controlled models are not independent production incidents.","method":"Deterministic executable model with adversarial boundary fixtures.","provenance":{"created_by":"Failure Map","dependencies":"Python standard library","family":"s3-tab-interfaces-tab-label-disambiguation-dirty-marker","generated_at":"2026-09-29T14:42:44.320695+00:00","license":"CC0-1.0","python":"3.12.14","seed":1,"split":"open-access"},"relevance":"Offline tab/panel workspace behavior; no browser or desktop framework is emulated.","root_cause":"The dirty marker decision uses '' instead of '•' if x['dirty'] else ''.","sha256":"59596ea2530516bdbd506384e82cb6269af179019c88648806f63f0441454d60","title":"Tab label disambiguation: dirty marker · case 01","variant":1,"variant_policy":"Five numbered records share a model and may reuse boundary 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