{"abstract":"Menu extension command IDs collide across providers.","category":"Menu interactions","checks":7,"contract":"Contributed menu commands are namespaced, rank-stable, and replaceable only by their provider; removals retain unrelated content.","contract_signature":"action, p","evaluation_group":"s3-menu-interactions-contributor-merge","failed_approach":"The attempted repair `p['provider']` still violates the namespace oracle.","family":"s3-menu-interactions-contributor-merge-namespace","id":"FA-32521","implementations":{"attempt":{"sha256":"82ed0613fed1c090c3fd34cf431bad0f24414edb75a788341d341ecae5f801e1","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 == 'namespace':\n        return p['provider']\n    if action == 'rank':\n        return sorted(p,key=lambda x:x['rank'])\n    if action == 'unload':\n        return [x for x in p['rows'] if x['provider']!=p['provider']]\n    if action == 'replace':\n        return [p['new'] if x['provider']==p['new']['provider'] and x['id']==p['new']['id'] else x for x in p['rows']]\n    if action == 'disabled-provider':\n        return [x for x in p['rows'] if x['provider'] not in p['disabled']]\n    if action == 'revision-owner':\n        return p['revision'].get(p['provider'],0)\n    return {'error': 'unsupported menu operation'}\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\ncheck('namespace contract', solve('namespace', {'provider':'ext'+str(N),'id':'open'}), 'ext'+str(N)+':open')\ncheck('rank contract', solve('rank', [{'id':'z','rank':N},{'id':'a','rank':N+1}]), [{'id':'z','rank':N},{'id':'a','rank':N+1}])\ncheck('unload contract', solve('unload', {'rows':[{'provider':'a','id':N},{'provider':'b','id':N+1}],'provider':'a'}), [{'provider':'b','id':N+1}])\ncheck('replace contract', solve('replace', {'rows':[{'provider':'a','id':N,'v':0},{'provider':'b','id':N,'v':0}],'new':{'provider':'b','id':N,'v':1}}), [{'provider':'a','id':N,'v':0},{'provider':'b','id':N,'v':1}])\ncheck('disabled-provider contract', solve('disabled-provider', {'rows':[{'provider':'off','id':N},{'provider':'on','id':N+1}],'disabled':['off']}), [{'provider':'on','id':N+1}])\ncheck('revision-owner contract', solve('revision-owner', {'provider':'a','revision':{'a':N,'b':N+10}}), N)\ncheck('unknown operation', solve('unknown', {}), {'error': 'unsupported menu operation'})\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":"55f59e8c5c494ec3c02c06d5b560c1786300e4e26b2089e4a6e56e8f71494d28","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 == 'namespace':\n        return p['id']\n    if action == 'rank':\n        return sorted(p,key=lambda x:x['rank'])\n    if action == 'unload':\n        return [x for x in p['rows'] if x['provider']!=p['provider']]\n    if action == 'replace':\n        return [p['new'] if x['provider']==p['new']['provider'] and x['id']==p['new']['id'] else x for x in p['rows']]\n    if action == 'disabled-provider':\n        return [x for x in p['rows'] if x['provider'] not in p['disabled']]\n    if action == 'revision-owner':\n        return p['revision'].get(p['provider'],0)\n    return {'error': 'unsupported menu operation'}\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\ncheck('namespace contract', solve('namespace', {'provider':'ext'+str(N),'id':'open'}), 'ext'+str(N)+':open')\ncheck('rank contract', solve('rank', [{'id':'z','rank':N},{'id':'a','rank':N+1}]), [{'id':'z','rank':N},{'id':'a','rank':N+1}])\ncheck('unload contract', solve('unload', {'rows':[{'provider':'a','id':N},{'provider':'b','id':N+1}],'provider':'a'}), [{'provider':'b','id':N+1}])\ncheck('replace contract', solve('replace', {'rows':[{'provider':'a','id':N,'v':0},{'provider':'b','id':N,'v':0}],'new':{'provider':'b','id':N,'v':1}}), [{'provider':'a','id':N,'v':0},{'provider':'b','id':N,'v':1}])\ncheck('disabled-provider contract', solve('disabled-provider', {'rows':[{'provider':'off','id':N},{'provider':'on','id':N+1}],'disabled':['off']}), [{'provider':'on','id':N+1}])\ncheck('revision-owner contract', solve('revision-owner', {'provider':'a','revision':{'a':N,'b':N+10}}), N)\ncheck('unknown operation', solve('unknown', {}), {'error': 'unsupported menu operation'})\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-contributor-merge-namespace","generated_at":"2026-09-29T14:42:13.260095+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 contributor-merge model applies `p['id']` at its namespace operation instead of the stipulated transformation.","sha256":"69c275c1b8ab5e5de2f94c5614767da876ffc427f62bea8cf913dc6aa400ad16","title":"Menu extension command IDs collide across providers · 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":44.399,"exit_code":1,"observations":[{"actual":"ext1","check":"namespace contract","expected":"ext1:open","passed":false},{"actual":[{"id":"z","rank":1},{"id":"a","rank":2}],"check":"rank contract","expected":[{"id":"z","rank":1},{"id":"a","rank":2}],"passed":true},{"actual":[{"id":2,"provider":"b"}],"check":"unload contract","expected":[{"id":2,"provider":"b"}],"passed":true},{"actual":[{"id":1,"provider":"a","v":0},{"id":1,"provider":"b","v":1}],"check":"replace contract","expected":[{"id":1,"provider":"a","v":0},{"id":1,"provider":"b","v":1}],"passed":true},{"actual":[{"id":2,"provider":"on"}],"check":"disabled-provider contract","expected":[{"id":2,"provider":"on"}],"passed":true},{"actual":1,"check":"revision-owner contract","expected":1,"passed":true},{"actual":{"error":"unsupported menu operation"},"check":"unknown operation","expected":{"error":"unsupported menu operation"},"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"namespace contract\", \"actual\": \"ext1\", \"expected\": \"ext1:open\", \"passed\": false}, {\"check\": \"rank contract\", \"actual\": [{\"id\": \"z\", \"rank\": 1}, {\"id\": \"a\", \"rank\": 2}], \"expected\": [{\"id\": \"z\", \"rank\": 1}, {\"id\": \"a\", \"rank\": 2}], \"passed\": true}, {\"check\": \"unload contract\", \"actual\": [{\"provider\": \"b\", \"id\": 2}], \"expected\": [{\"provider\": \"b\", \"id\": 2}], \"passed\": true}, {\"check\": \"replace contract\", \"actual\": [{\"provider\": \"a\", \"id\": 1, \"v\": 0}, {\"provider\": \"b\", \"id\": 1, \"v\": 1}], \"expected\": [{\"provider\": \"a\", \"id\": 1, \"v\": 0}, {\"provider\": \"b\", \"id\": 1, \"v\": 1}], \"passed\": true}, {\"check\": \"disabled-provider contract\", \"actual\": [{\"provider\": \"on\", \"id\": 2}], \"expected\": [{\"provider\": \"on\", \"id\": 2}], \"passed\": true}, {\"check\": \"revision-owner contract\", \"actual\": 1, \"expected\": 1, \"passed\": true}, {\"check\": \"unknown operation\", \"actual\": {\"error\": \"unsupported menu operation\"}, \"expected\": {\"error\": \"unsupported menu operation\"}, \"passed\": true}], \"passed\": false}\n"},"broken":{"elapsed_ms":45.301,"exit_code":1,"observations":[{"actual":"open","check":"namespace contract","expected":"ext1:open","passed":false},{"actual":[{"id":"z","rank":1},{"id":"a","rank":2}],"check":"rank contract","expected":[{"id":"z","rank":1},{"id":"a","rank":2}],"passed":true},{"actual":[{"id":2,"provider":"b"}],"check":"unload contract","expected":[{"id":2,"provider":"b"}],"passed":true},{"actual":[{"id":1,"provider":"a","v":0},{"id":1,"provider":"b","v":1}],"check":"replace contract","expected":[{"id":1,"provider":"a","v":0},{"id":1,"provider":"b","v":1}],"passed":true},{"actual":[{"id":2,"provider":"on"}],"check":"disabled-provider contract","expected":[{"id":2,"provider":"on"}],"passed":true},{"actual":1,"check":"revision-owner contract","expected":1,"passed":true},{"actual":{"error":"unsupported menu operation"},"check":"unknown operation","expected":{"error":"unsupported menu operation"},"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"namespace contract\", \"actual\": \"open\", \"expected\": \"ext1:open\", \"passed\": false}, {\"check\": \"rank contract\", \"actual\": [{\"id\": \"z\", \"rank\": 1}, {\"id\": \"a\", \"rank\": 2}], \"expected\": [{\"id\": \"z\", \"rank\": 1}, {\"id\": \"a\", \"rank\": 2}], \"passed\": true}, {\"check\": \"unload contract\", \"actual\": [{\"provider\": \"b\", \"id\": 2}], \"expected\": [{\"provider\": \"b\", \"id\": 2}], \"passed\": true}, {\"check\": \"replace contract\", \"actual\": [{\"provider\": \"a\", \"id\": 1, \"v\": 0}, {\"provider\": \"b\", \"id\": 1, \"v\": 1}], \"expected\": [{\"provider\": \"a\", \"id\": 1, \"v\": 0}, {\"provider\": \"b\", \"id\": 1, \"v\": 1}], \"passed\": true}, {\"check\": \"disabled-provider contract\", \"actual\": [{\"provider\": \"on\", \"id\": 2}], \"expected\": [{\"provider\": \"on\", \"id\": 2}], \"passed\": true}, {\"check\": \"revision-owner contract\", \"actual\": 1, \"expected\": 1, \"passed\": true}, {\"check\": \"unknown operation\", \"actual\": {\"error\": \"unsupported menu operation\"}, \"expected\": {\"error\": \"unsupported menu operation\"}, \"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."}}