{"abstract":"Entry point groups share one namespace.","category":"Packaging","checks":6,"contract":"Build a group-to-name-to-target mapping, skip disabled declarations, reject conflicting duplicate names within a group, allow duplicates with the same target, and allow identical names across groups.","evaluation_group":"xt-entrypoints","failed_approach":"The attempted repair substitutes result.setdefault(name, {}). Fixture 2 still yields {'run': {'run': 'a:main'}} instead of {'cli': {'run': 'a:main'}}.","family":"xt-entrypoints-group-scope","id":"FA-9911","implementations":{"attempt":{"sha256":"1f7f4f6a49e3556b0094fff7a777cdb52d47b79c9e8409f8858407dfb5d940c8","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(rows):\n    result = {}\n    for group, name, target, enabled in rows:\n        if not enabled: continue\n        bucket = result.setdefault(name, {})\n        if name in bucket and bucket[name] != target: return 'conflict'\n        bucket[name] = target\n    return result\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\ncheck('fixture 1', solve([]), {})\ncheck('fixture 2', solve([('cli', 'run', 'a:main', True)]), {'cli': {'run': 'a:main'}})\ncheck('fixture 3', solve([('cli', 'run', 'a:main', False)]), {})\ncheck('fixture 4', solve([('cli', 'run', 'a:main', True), ('cli', 'run', 'b:main', True)]), 'conflict')\ncheck('fixture 5', solve([('cli', 'run', 'a:main', True), ('cli', 'run', 'a:main', True)]), {'cli': {'run': 'a:main'}})\ncheck('fixture 6', solve([('cli', 'run', 'a:main', True), ('plugin', 'run', 'b:main', True)]), {'cli': {'run': 'a:main'}, 'plugin': {'run': 'b:main'}})\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":"652fead5dd4aec354aee134f5aa0e54b591c4580a80f8170db169b37b5d57548","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(rows):\n    result = {}\n    for group, name, target, enabled in rows:\n        if not enabled: continue\n        bucket = result.setdefault('global', {})\n        if name in bucket and bucket[name] != target: return 'conflict'\n        bucket[name] = target\n    return result\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\ncheck('fixture 1', solve([]), {})\ncheck('fixture 2', solve([('cli', 'run', 'a:main', True)]), {'cli': {'run': 'a:main'}})\ncheck('fixture 3', solve([('cli', 'run', 'a:main', False)]), {})\ncheck('fixture 4', solve([('cli', 'run', 'a:main', True), ('cli', 'run', 'b:main', True)]), 'conflict')\ncheck('fixture 5', solve([('cli', 'run', 'a:main', True), ('cli', 'run', 'a:main', True)]), {'cli': {'run': 'a:main'}})\ncheck('fixture 6', solve([('cli', 'run', 'a:main', True), ('plugin', 'run', 'b:main', True)]), {'cli': {'run': 'a:main'}, 'plugin': {'run': 'b:main'}})\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"},"fixed":{"sha256":"2f547ee8def0920638766f1644428a8134da4a1c363fa799b33758655e68942e","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(rows):\n    result = {}\n    for group, name, target, enabled in rows:\n        if not enabled: continue\n        bucket = result.setdefault(group, {})\n        if name in bucket and bucket[name] != target: return 'conflict'\n        bucket[name] = target\n    return result\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\ncheck('fixture 1', solve([]), {})\ncheck('fixture 2', solve([('cli', 'run', 'a:main', True)]), {'cli': {'run': 'a:main'}})\ncheck('fixture 3', solve([('cli', 'run', 'a:main', False)]), {})\ncheck('fixture 4', solve([('cli', 'run', 'a:main', True), ('cli', 'run', 'b:main', True)]), 'conflict')\ncheck('fixture 5', solve([('cli', 'run', 'a:main', True), ('cli', 'run', 'a:main', True)]), {'cli': {'run': 'a:main'}})\ncheck('fixture 6', solve([('cli', 'run', 'a:main', True), ('plugin', 'run', 'b:main', True)]), {'cli': {'run': 'a:main'}, 'plugin': {'run': 'b:main'}})\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":" 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":"xt-entrypoints-group-scope","generated_at":"2026-09-29T14:38:34.170035+00:00","license":"CC0-1.0","python":"3.12.14","seed":1,"split":"open-access"},"relevance":"An offline model of entry point registry assembly, suitable for testing build and release tooling without external services.","repair":"Create a separate namespace for each entry point group.","root_cause":"The implementation substitutes result.setdefault('global', {}) for result.setdefault(group, {}), so entry point groups share one namespace.","sha256":"2c019db7fe31b4947d7c1637d58e35ee90d099fb1bedbbeeda5d99c3118f540c","title":"Entry point registry assembly: Entry point groups share one namespace · case 01","variant":1,"variant_policy":"Five numbered records share a model and may reuse boundary fixtures.","verification":{"attempt":{"elapsed_ms":39.881,"exit_code":1,"observations":[{"actual":{},"check":"fixture 1","expected":{},"passed":true},{"actual":{"run":{"run":"a:main"}},"check":"fixture 2","expected":{"cli":{"run":"a:main"}},"passed":false},{"actual":{},"check":"fixture 3","expected":{},"passed":true},{"actual":"conflict","check":"fixture 4","expected":"conflict","passed":true},{"actual":{"run":{"run":"a:main"}},"check":"fixture 5","expected":{"cli":{"run":"a:main"}},"passed":false},{"actual":"conflict","check":"fixture 6","expected":{"cli":{"run":"a:main"},"plugin":{"run":"b:main"}},"passed":false}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"fixture 1\", \"actual\": {}, \"expected\": {}, \"passed\": true}, {\"check\": \"fixture 2\", \"actual\": {\"run\": {\"run\": \"a:main\"}}, \"expected\": {\"cli\": {\"run\": \"a:main\"}}, \"passed\": false}, {\"check\": \"fixture 3\", \"actual\": {}, \"expected\": {}, \"passed\": true}, {\"check\": \"fixture 4\", \"actual\": \"conflict\", \"expected\": \"conflict\", \"passed\": true}, {\"check\": \"fixture 5\", \"actual\": {\"run\": {\"run\": \"a:main\"}}, \"expected\": {\"cli\": {\"run\": \"a:main\"}}, \"passed\": false}, {\"check\": \"fixture 6\", \"actual\": \"conflict\", \"expected\": {\"cli\": {\"run\": \"a:main\"}, \"plugin\": {\"run\": \"b:main\"}}, \"passed\": false}], \"passed\": false}\n"},"broken":{"elapsed_ms":37.47,"exit_code":1,"observations":[{"actual":{},"check":"fixture 1","expected":{},"passed":true},{"actual":{"global":{"run":"a:main"}},"check":"fixture 2","expected":{"cli":{"run":"a:main"}},"passed":false},{"actual":{},"check":"fixture 3","expected":{},"passed":true},{"actual":"conflict","check":"fixture 4","expected":"conflict","passed":true},{"actual":{"global":{"run":"a:main"}},"check":"fixture 5","expected":{"cli":{"run":"a:main"}},"passed":false},{"actual":"conflict","check":"fixture 6","expected":{"cli":{"run":"a:main"},"plugin":{"run":"b:main"}},"passed":false}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"fixture 1\", \"actual\": {}, \"expected\": {}, \"passed\": true}, {\"check\": \"fixture 2\", \"actual\": {\"global\": {\"run\": \"a:main\"}}, \"expected\": {\"cli\": {\"run\": \"a:main\"}}, \"passed\": false}, {\"check\": \"fixture 3\", \"actual\": {}, \"expected\": {}, \"passed\": true}, {\"check\": \"fixture 4\", \"actual\": \"conflict\", \"expected\": \"conflict\", \"passed\": true}, {\"check\": \"fixture 5\", \"actual\": {\"global\": {\"run\": \"a:main\"}}, \"expected\": {\"cli\": {\"run\": \"a:main\"}}, \"passed\": false}, {\"check\": \"fixture 6\", \"actual\": \"conflict\", \"expected\": {\"cli\": {\"run\": \"a:main\"}, \"plugin\": {\"run\": \"b:main\"}}, \"passed\": false}], \"passed\": false}\n"},"fixed":{"elapsed_ms":42.194,"exit_code":0,"observations":[{"actual":{},"check":"fixture 1","expected":{},"passed":true},{"actual":{"cli":{"run":"a:main"}},"check":"fixture 2","expected":{"cli":{"run":"a:main"}},"passed":true},{"actual":{},"check":"fixture 3","expected":{},"passed":true},{"actual":"conflict","check":"fixture 4","expected":"conflict","passed":true},{"actual":{"cli":{"run":"a:main"}},"check":"fixture 5","expected":{"cli":{"run":"a:main"}},"passed":true},{"actual":{"cli":{"run":"a:main"},"plugin":{"run":"b:main"}},"check":"fixture 6","expected":{"cli":{"run":"a:main"},"plugin":{"run":"b:main"}},"passed":true}],"passed":true,"stderr":"","stdout":"{\"observations\": [{\"check\": \"fixture 1\", \"actual\": {}, \"expected\": {}, \"passed\": true}, {\"check\": \"fixture 2\", \"actual\": {\"cli\": {\"run\": \"a:main\"}}, \"expected\": {\"cli\": {\"run\": \"a:main\"}}, \"passed\": true}, {\"check\": \"fixture 3\", \"actual\": {}, \"expected\": {}, \"passed\": true}, {\"check\": \"fixture 4\", \"actual\": \"conflict\", \"expected\": \"conflict\", \"passed\": true}, {\"check\": \"fixture 5\", \"actual\": {\"cli\": {\"run\": \"a:main\"}}, \"expected\": {\"cli\": {\"run\": \"a:main\"}}, \"passed\": true}, {\"check\": \"fixture 6\", \"actual\": {\"cli\": {\"run\": \"a:main\"}, \"plugin\": {\"run\": \"b:main\"}}, \"expected\": {\"cli\": {\"run\": \"a:main\"}, \"plugin\": {\"run\": \"b:main\"}}, \"passed\": true}], \"passed\": true}\n"}},"verified":true,"visibility":"public"}