{"abstract":"Sse retry field accepts only nonempty ascii digits.","category":"WebSocket and browser transport policies","checks":4,"contract":"Bounded offline decision model: sse retry field accepts only nonempty ascii digits. Inputs are already validated protocol fields; the explicit fixtures define the supported policy, not a complete protocol implementation.","contract_signature":"value","evaluation_group":"xh-sse-retry-field-accepts-only-nonempty-ascii-digits","failed_approach":"The attempted repair uses `int(value) if value.isdigit() else None` and still violates a separate fixture.","family":"xh-sse-retry-field-accepts-only-nonempty-ascii-digits","id":"FA-7646","implementations":{"attempt":{"sha256":"fc748562b3a81587abeadebc84a29a5b9640d35428cb4d4620043b4a146006e4","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\nimport ipaddress\nimport re\nfrom urllib.parse import urlsplit, urljoin\nN = 1\nobservations = []\ndef solve(value):\n    return int(value) if value.isdigit() else None\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\n_fixtures = [\"check('fixture 1', solve('-1'), None)\", \"check('fixture 2', solve('１２'), None)\", \"check('fixture 3', solve('100'), 100)\", \"check('fixture 4', solve(''), None)\"]\nfor _line in _fixtures[N % len(_fixtures):] + _fixtures[:N % len(_fixtures)]:\n    exec(_line)\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":"79635326d56090bed6a402b371ff64b4171114511a7be4eae5766bcb3076d1aa","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\nimport ipaddress\nimport re\nfrom urllib.parse import urlsplit, urljoin\nN = 1\nobservations = []\ndef solve(value):\n    return int(value) if value.lstrip(\"-\").isdigit() else None\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\n_fixtures = [\"check('fixture 1', solve('-1'), None)\", \"check('fixture 2', solve('１２'), None)\", \"check('fixture 3', solve('100'), 100)\", \"check('fixture 4', solve(''), None)\"]\nfor _line in _fixtures[N % len(_fixtures):] + _fixtures[:N % len(_fixtures)]:\n    exec(_line)\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":"Bounded deterministic policy model over validated inputs; not a complete protocol stack or an interoperability claim. The five variants rotate the same explicit fixture set. 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":"xh-sse-retry-field-accepts-only-nonempty-ascii-digits","generated_at":"2026-09-29T14:38:14.001950+00:00","license":"CC0-1.0","python":"3.12.14","seed":1,"split":"open-access"},"relevance":"This deterministic websocket and browser transport policies model isolates the sse-retry-field-accepts-only-nonempty-ascii-digits policy at a network component boundary.","root_cause":"The faulty implementation uses `int(value) if value.lstrip(\"-\").isdigit() else None` for the sse-retry-field-accepts-only-nonempty-ascii-digits decision.","sha256":"5910ff2613311b8dfa6809450b030109d5859012b5d8d6fa37506eb707ed3461","title":"Sse retry field accepts only nonempty ascii digits · 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":42.14,"exit_code":1,"observations":[{"actual":12,"check":"fixture 2","expected":null,"passed":false},{"actual":100,"check":"fixture 3","expected":100,"passed":true},{"actual":null,"check":"fixture 4","expected":null,"passed":true},{"actual":null,"check":"fixture 1","expected":null,"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"fixture 2\", \"actual\": 12, \"expected\": null, \"passed\": false}, {\"check\": \"fixture 3\", \"actual\": 100, \"expected\": 100, \"passed\": true}, {\"check\": \"fixture 4\", \"actual\": null, \"expected\": null, \"passed\": true}, {\"check\": \"fixture 1\", \"actual\": null, \"expected\": null, \"passed\": true}], \"passed\": false}\n"},"broken":{"elapsed_ms":39.086,"exit_code":1,"observations":[{"actual":12,"check":"fixture 2","expected":null,"passed":false},{"actual":100,"check":"fixture 3","expected":100,"passed":true},{"actual":null,"check":"fixture 4","expected":null,"passed":true},{"actual":-1,"check":"fixture 1","expected":null,"passed":false}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"fixture 2\", \"actual\": 12, \"expected\": null, \"passed\": false}, {\"check\": \"fixture 3\", \"actual\": 100, \"expected\": 100, \"passed\": true}, {\"check\": \"fixture 4\", \"actual\": null, \"expected\": null, \"passed\": true}, {\"check\": \"fixture 1\", \"actual\": -1, \"expected\": null, \"passed\": false}], \"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."}}