{"abstract":"Repeated menubar owner event closes an already-open submenu chain.","category":"Menu interactions","checks":8,"contract":"Pointer-driven menubar ownership transfers only during an active menu session; switching root owners replaces descendants and respects ownership identity.","contract_signature":"action, p","evaluation_group":"s3-menu-interactions-menubar-owner-switch","failed_approach":"The attempted repair `[]` still violates the same-root oracle.","family":"s3-menu-interactions-menubar-owner-switch-same-root","id":"FA-33251","implementations":{"attempt":{"sha256":"3490a0835c842582061c6222de2af17f4291cf421f8c996ee9adb79414bc098b","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\nimport math\nimport unicodedata\nN = 1\nobservations = []\ndef solve(action, p):\n    if action == 'armed-switch':\n        return p['active_session'] and p['different_owner']\n    if action == 'replace-root':\n        return [p['new_root']]\n    if action == 'same-root':\n        return []\n    if action == 'captured-pointer':\n        return p['pointer']==p['owner_pointer'] and p['buttons']==0\n    if action == 'disabled-root':\n        return next((x for x in p['roots'] if x['id']==p['target'] and x['available']),None)\n    if action == 'session-context':\n        return p['existing_context']\n    return {'error': 'unsupported menu operation'}\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\ncheck('armed-switch contract', solve('armed-switch', {'active_session':False,'different_owner':True,'owner':N}), False)\ncheck('replace-root contract', solve('replace-root', {'new_root':'new'+str(N),'chain':['old','child']}), ['new'+str(N)])\ncheck('same-root contract', solve('same-root', {'chain':['root','child'+str(N)],'root':'root'}), ['root','child'+str(N)])\ncheck('captured-pointer contract', solve('captured-pointer', {'pointer':N,'owner_pointer':N,'buttons':1}), False)\ncheck('disabled-root contract', solve('disabled-root', {'roots':[{'id':N,'available':False}],'target':N}), None)\ncheck('session-context contract', solve('session-context', {'existing_context':N,'hover_context':N+1}), N)\ncheck('unknown operation', solve('unknown', {}), {'error': 'unsupported menu operation'})\ncheck('idle foreign pointer',solve('captured-pointer',{'pointer':N+1,'owner_pointer':N,'buttons':0}),False)\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":"b53873be80c5012a787e44e5e591419dd75695f304eb2fb87959d569e5c5409a","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\nimport math\nimport unicodedata\nN = 1\nobservations = []\ndef solve(action, p):\n    if action == 'armed-switch':\n        return p['active_session'] and p['different_owner']\n    if action == 'replace-root':\n        return [p['new_root']]\n    if action == 'same-root':\n        return [p['root']]\n    if action == 'captured-pointer':\n        return p['pointer']==p['owner_pointer'] and p['buttons']==0\n    if action == 'disabled-root':\n        return next((x for x in p['roots'] if x['id']==p['target'] and x['available']),None)\n    if action == 'session-context':\n        return p['existing_context']\n    return {'error': 'unsupported menu operation'}\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\ncheck('armed-switch contract', solve('armed-switch', {'active_session':False,'different_owner':True,'owner':N}), False)\ncheck('replace-root contract', solve('replace-root', {'new_root':'new'+str(N),'chain':['old','child']}), ['new'+str(N)])\ncheck('same-root contract', solve('same-root', {'chain':['root','child'+str(N)],'root':'root'}), ['root','child'+str(N)])\ncheck('captured-pointer contract', solve('captured-pointer', {'pointer':N,'owner_pointer':N,'buttons':1}), False)\ncheck('disabled-root contract', solve('disabled-root', {'roots':[{'id':N,'available':False}],'target':N}), None)\ncheck('session-context contract', solve('session-context', {'existing_context':N,'hover_context':N+1}), N)\ncheck('unknown operation', solve('unknown', {}), {'error': 'unsupported menu operation'})\ncheck('idle foreign pointer',solve('captured-pointer',{'pointer':N+1,'owner_pointer':N,'buttons':0}),False)\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":"Offline supplied-valid-payload model; excludes DOM, keyboard, focus, selection, announcements and browser conformance. 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-menu-interactions-menubar-owner-switch-same-root","generated_at":"2026-09-29T14:42:20.635306+00:00","license":"CC0-1.0","python":"3.12.14","seed":1,"split":"open-access"},"relevance":"Cascading and context menus require coherent command and session state as content changes.","root_cause":"The menubar-owner-switch model applies `[p['root']]` at its same-root operation instead of the stipulated transformation.","sha256":"2a3f68b699994af19fda001a0a125a99eb7ccb3b9ecc1b94b7e0ea2a19681208","title":"Repeated menubar owner event closes an already-open submenu chain · case 01","variant":1,"variant_policy":"Five numbered records share a model and may reuse boundary fixtures.","verified":true,"visibility":"public","verification":{"attempt":{"elapsed_ms":46.563,"exit_code":1,"observations":[{"actual":false,"check":"armed-switch contract","expected":false,"passed":true},{"actual":["new1"],"check":"replace-root contract","expected":["new1"],"passed":true},{"actual":[],"check":"same-root contract","expected":["root","child1"],"passed":false},{"actual":false,"check":"captured-pointer contract","expected":false,"passed":true},{"actual":null,"check":"disabled-root contract","expected":null,"passed":true},{"actual":1,"check":"session-context contract","expected":1,"passed":true},{"actual":{"error":"unsupported menu operation"},"check":"unknown operation","expected":{"error":"unsupported menu operation"},"passed":true},{"actual":false,"check":"idle foreign pointer","expected":false,"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"armed-switch contract\", \"actual\": false, \"expected\": false, \"passed\": true}, {\"check\": \"replace-root contract\", \"actual\": [\"new1\"], \"expected\": [\"new1\"], \"passed\": true}, {\"check\": \"same-root contract\", \"actual\": [], \"expected\": [\"root\", \"child1\"], \"passed\": false}, {\"check\": \"captured-pointer contract\", \"actual\": false, \"expected\": false, \"passed\": true}, {\"check\": \"disabled-root contract\", \"actual\": null, \"expected\": null, \"passed\": true}, {\"check\": \"session-context contract\", \"actual\": 1, \"expected\": 1, \"passed\": true}, {\"check\": \"unknown operation\", \"actual\": {\"error\": \"unsupported menu operation\"}, \"expected\": {\"error\": \"unsupported menu operation\"}, \"passed\": true}, {\"check\": \"idle foreign pointer\", \"actual\": false, \"expected\": false, \"passed\": true}], \"passed\": false}\n"},"broken":{"elapsed_ms":44.873,"exit_code":1,"observations":[{"actual":false,"check":"armed-switch contract","expected":false,"passed":true},{"actual":["new1"],"check":"replace-root contract","expected":["new1"],"passed":true},{"actual":["root"],"check":"same-root contract","expected":["root","child1"],"passed":false},{"actual":false,"check":"captured-pointer contract","expected":false,"passed":true},{"actual":null,"check":"disabled-root contract","expected":null,"passed":true},{"actual":1,"check":"session-context contract","expected":1,"passed":true},{"actual":{"error":"unsupported menu operation"},"check":"unknown operation","expected":{"error":"unsupported menu operation"},"passed":true},{"actual":false,"check":"idle foreign pointer","expected":false,"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"armed-switch contract\", \"actual\": false, \"expected\": false, \"passed\": true}, {\"check\": \"replace-root contract\", \"actual\": [\"new1\"], \"expected\": [\"new1\"], \"passed\": true}, {\"check\": \"same-root contract\", \"actual\": [\"root\"], \"expected\": [\"root\", \"child1\"], \"passed\": false}, {\"check\": \"captured-pointer contract\", \"actual\": false, \"expected\": false, \"passed\": true}, {\"check\": \"disabled-root contract\", \"actual\": null, \"expected\": null, \"passed\": true}, {\"check\": \"session-context contract\", \"actual\": 1, \"expected\": 1, \"passed\": true}, {\"check\": \"unknown operation\", \"actual\": {\"error\": \"unsupported menu operation\"}, \"expected\": {\"error\": \"unsupported menu operation\"}, \"passed\": true}, {\"check\": \"idle foreign pointer\", \"actual\": false, \"expected\": false, \"passed\": true}], \"passed\": false}\n"}},"member_only":{"stages":["fixed"],"fields":["implementations.fixed","verification.fixed","harness","repair"],"note":"The verified repair, its recorded checks, the repair description, and the scoring harness are available to members."}}