{"abstract":"An open lower endpoint renders the domain minimum handle is violated by the widget projection.","category":"Filter interfaces","checks":10,"contract":"A numeric range editor preserves open ends, treats zero as a bound, and rejects reversed finite endpoints before applying. This example checks: An open lower endpoint renders the domain minimum handle.","contract_signature":"d","evaluation_group":"s3-filter-interfaces-range-draft","failed_approach":"The attempted correction `d['minimum']` still violates the explicit contract fixtures.","family":"s3-filter-interfaces-range-draft-lower-handle","id":"FA-24921","implementations":{"attempt":{"sha256":"2993ba2beb169b5f3343c8808aba448380cd10dfe196f6020429d2585bfe586f","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(d):\n    return {'lower-open':(None if d['lo']=='' else int(d['lo'])), 'upper-open':(None if d['hi']=='' else int(d['hi'])), 'endpoint-order':(d['lo']=='' or d['hi']=='' or int(d['lo'])<=int(d['hi'])), 'empty-constraint':(d['lo']=='' and d['hi']==''), 'lower-handle':(d['minimum']), 'upper-handle':(int(d['hi']) if d['hi']!='' else d['maximum'])}\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = {1: [({'lo': '', 'hi': '', 'minimum': -5, 'maximum': 20}, {'lower-open': None, 'upper-open': None, 'endpoint-order': True, 'empty-constraint': True, 'lower-handle': -5, 'upper-handle': 20}), ({'lo': '0', 'hi': '10', 'minimum': -5, 'maximum': 20}, {'lower-open': 0, 'upper-open': 10, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 0, 'upper-handle': 10}), ({'lo': '2', 'hi': '', 'minimum': -5, 'maximum': 20}, {'lower-open': 2, 'upper-open': None, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 2, 'upper-handle': 20}), ({'lo': '2', 'hi': '0', 'minimum': -5, 'maximum': 20}, {'lower-open': 2, 'upper-open': 0, 'endpoint-order': False, 'empty-constraint': False, 'lower-handle': 2, 'upper-handle': 0}), ({'lo': '2', 'hi': '2', 'minimum': -5, 'maximum': 20}, {'lower-open': 2, 'upper-open': 2, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 2, 'upper-handle': 2}), ({'lo': '2', 'hi': '10', 'minimum': -5, 'maximum': 20}, {'lower-open': 2, 'upper-open': 10, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 2, 'upper-handle': 10}), ({'lo': '10', 'hi': '', 'minimum': -5, 'maximum': 20}, {'lower-open': 10, 'upper-open': None, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 10, 'upper-handle': 20}), ({'lo': '10', 'hi': '0', 'minimum': -5, 'maximum': 20}, {'lower-open': 10, 'upper-open': 0, 'endpoint-order': False, 'empty-constraint': False, 'lower-handle': 10, 'upper-handle': 0}), ({'lo': '10', 'hi': '2', 'minimum': -5, 'maximum': 20}, {'lower-open': 10, 'upper-open': 2, 'endpoint-order': False, 'empty-constraint': False, 'lower-handle': 10, 'upper-handle': 2}), ({'lo': '10', 'hi': '10', 'minimum': -5, 'maximum': 20}, {'lower-open': 10, 'upper-open': 10, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 10, 'upper-handle': 10})], 2: [({'lo': '', 'hi': '0', 'minimum': -5, 'maximum': 20}, {'lower-open': None, 'upper-open': 0, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': -5, 'upper-handle': 0}), ({'lo': '2', 'hi': '2', 'minimum': -5, 'maximum': 20}, {'lower-open': 2, 'upper-open': 2, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 2, 'upper-handle': 2}), ({'lo': '10', 'hi': '2', 'minimum': -5, 'maximum': 20}, {'lower-open': 10, 'upper-open': 2, 'endpoint-order': False, 'empty-constraint': False, 'lower-handle': 10, 'upper-handle': 2}), ({'lo': '10', 'hi': '10', 'minimum': -5, 'maximum': 20}, {'lower-open': 10, 'upper-open': 10, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 10, 'upper-handle': 10}), ({'lo': '', 'hi': '', 'minimum': -5, 'maximum': 20}, {'lower-open': None, 'upper-open': None, 'endpoint-order': True, 'empty-constraint': True, 'lower-handle': -5, 'upper-handle': 20}), ({'lo': '', 'hi': '2', 'minimum': -5, 'maximum': 20}, {'lower-open': None, 'upper-open': 2, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': -5, 'upper-handle': 2}), ({'lo': '', 'hi': '10', 'minimum': -5, 'maximum': 20}, {'lower-open': None, 'upper-open': 10, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': -5, 'upper-handle': 10}), ({'lo': '0', 'hi': '', 'minimum': -5, 'maximum': 20}, {'lower-open': 0, 'upper-open': None, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 0, 'upper-handle': 20}), ({'lo': '0', 'hi': '0', 'minimum': -5, 'maximum': 20}, {'lower-open': 0, 'upper-open': 0, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 0, 'upper-handle': 0}), ({'lo': '0', 'hi': '2', 'minimum': -5, 'maximum': 20}, {'lower-open': 0, 'upper-open': 2, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 0, 'upper-handle': 2})], 3: [({'lo': '', 'hi': '2', 'minimum': -5, 'maximum': 20}, {'lower-open': None, 'upper-open': 2, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': -5, 'upper-handle': 2}), ({'lo': '10', 'hi': '0', 'minimum': -5, 'maximum': 20}, {'lower-open': 10, 'upper-open': 0, 'endpoint-order': False, 'empty-constraint': False, 'lower-handle': 10, 'upper-handle': 0}), ({'lo': '0', 'hi': '0', 'minimum': -5, 'maximum': 20}, {'lower-open': 0, 'upper-open': 0, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 0, 'upper-handle': 0}), ({'lo': '0', 'hi': '2', 'minimum': -5, 'maximum': 20}, {'lower-open': 0, 'upper-open': 2, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 0, 'upper-handle': 2}), ({'lo': '0', 'hi': '10', 'minimum': -5, 'maximum': 20}, {'lower-open': 0, 'upper-open': 10, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 0, 'upper-handle': 10}), ({'lo': '2', 'hi': '', 'minimum': -5, 'maximum': 20}, {'lower-open': 2, 'upper-open': None, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 2, 'upper-handle': 20}), ({'lo': '2', 'hi': '0', 'minimum': -5, 'maximum': 20}, {'lower-open': 2, 'upper-open': 0, 'endpoint-order': False, 'empty-constraint': False, 'lower-handle': 2, 'upper-handle': 0}), ({'lo': '2', 'hi': '2', 'minimum': -5, 'maximum': 20}, {'lower-open': 2, 'upper-open': 2, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 2, 'upper-handle': 2}), ({'lo': '2', 'hi': '10', 'minimum': -5, 'maximum': 20}, {'lower-open': 2, 'upper-open': 10, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 2, 'upper-handle': 10}), ({'lo': '10', 'hi': '', 'minimum': -5, 'maximum': 20}, {'lower-open': 10, 'upper-open': None, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 10, 'upper-handle': 20})], 4: [({'lo': '', 'hi': '10', 'minimum': -5, 'maximum': 20}, {'lower-open': None, 'upper-open': 10, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': -5, 'upper-handle': 10}), ({'lo': '0', 'hi': '', 'minimum': -5, 'maximum': 20}, {'lower-open': 0, 'upper-open': None, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 0, 'upper-handle': 20}), ({'lo': '10', 'hi': '', 'minimum': -5, 'maximum': 20}, {'lower-open': 10, 'upper-open': None, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 10, 'upper-handle': 20}), ({'lo': '10', 'hi': '0', 'minimum': -5, 'maximum': 20}, {'lower-open': 10, 'upper-open': 0, 'endpoint-order': False, 'empty-constraint': False, 'lower-handle': 10, 'upper-handle': 0}), ({'lo': '10', 'hi': '2', 'minimum': -5, 'maximum': 20}, {'lower-open': 10, 'upper-open': 2, 'endpoint-order': False, 'empty-constraint': False, 'lower-handle': 10, 'upper-handle': 2}), ({'lo': '10', 'hi': '10', 'minimum': -5, 'maximum': 20}, {'lower-open': 10, 'upper-open': 10, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 10, 'upper-handle': 10}), ({'lo': '', 'hi': '', 'minimum': -5, 'maximum': 20}, {'lower-open': None, 'upper-open': None, 'endpoint-order': True, 'empty-constraint': True, 'lower-handle': -5, 'upper-handle': 20}), ({'lo': '', 'hi': '0', 'minimum': -5, 'maximum': 20}, {'lower-open': None, 'upper-open': 0, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': -5, 'upper-handle': 0}), ({'lo': '', 'hi': '2', 'minimum': -5, 'maximum': 20}, {'lower-open': None, 'upper-open': 2, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': -5, 'upper-handle': 2}), ({'lo': '0', 'hi': '0', 'minimum': -5, 'maximum': 20}, {'lower-open': 0, 'upper-open': 0, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 0, 'upper-handle': 0})], 5: [({'lo': '', 'hi': '', 'minimum': -5, 'maximum': 20}, {'lower-open': None, 'upper-open': None, 'endpoint-order': True, 'empty-constraint': True, 'lower-handle': -5, 'upper-handle': 20}), ({'lo': '0', 'hi': '10', 'minimum': -5, 'maximum': 20}, {'lower-open': 0, 'upper-open': 10, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 0, 'upper-handle': 10}), ({'lo': '', 'hi': '10', 'minimum': -5, 'maximum': 20}, {'lower-open': None, 'upper-open': 10, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': -5, 'upper-handle': 10}), ({'lo': '0', 'hi': '', 'minimum': -5, 'maximum': 20}, {'lower-open': 0, 'upper-open': None, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 0, 'upper-handle': 20}), ({'lo': '0', 'hi': '0', 'minimum': -5, 'maximum': 20}, {'lower-open': 0, 'upper-open': 0, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 0, 'upper-handle': 0}), ({'lo': '0', 'hi': '2', 'minimum': -5, 'maximum': 20}, {'lower-open': 0, 'upper-open': 2, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 0, 'upper-handle': 2}), ({'lo': '2', 'hi': '', 'minimum': -5, 'maximum': 20}, {'lower-open': 2, 'upper-open': None, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 2, 'upper-handle': 20}), ({'lo': '2', 'hi': '0', 'minimum': -5, 'maximum': 20}, {'lower-open': 2, 'upper-open': 0, 'endpoint-order': False, 'empty-constraint': False, 'lower-handle': 2, 'upper-handle': 0}), ({'lo': '2', 'hi': '2', 'minimum': -5, 'maximum': 20}, {'lower-open': 2, 'upper-open': 2, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 2, 'upper-handle': 2}), ({'lo': '2', 'hi': '10', 'minimum': -5, 'maximum': 20}, {'lower-open': 2, 'upper-open': 10, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 2, 'upper-handle': 10})]}\nfor index, (data, expected) in enumerate(fixtures[N]):\n    check(\"contract fixture \" + str(index), solve(data), 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":"d7fd950d7179c284bd79d6a78b37b7d7d5573b48e710466590afb9dfdd00829e","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(d):\n    return {'lower-open':(None if d['lo']=='' else int(d['lo'])), 'upper-open':(None if d['hi']=='' else int(d['hi'])), 'endpoint-order':(d['lo']=='' or d['hi']=='' or int(d['lo'])<=int(d['hi'])), 'empty-constraint':(d['lo']=='' and d['hi']==''), 'lower-handle':(int(d['lo'] or 0)), 'upper-handle':(int(d['hi']) if d['hi']!='' else d['maximum'])}\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = {1: [({'lo': '', 'hi': '', 'minimum': -5, 'maximum': 20}, {'lower-open': None, 'upper-open': None, 'endpoint-order': True, 'empty-constraint': True, 'lower-handle': -5, 'upper-handle': 20}), ({'lo': '0', 'hi': '10', 'minimum': -5, 'maximum': 20}, {'lower-open': 0, 'upper-open': 10, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 0, 'upper-handle': 10}), ({'lo': '2', 'hi': '', 'minimum': -5, 'maximum': 20}, {'lower-open': 2, 'upper-open': None, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 2, 'upper-handle': 20}), ({'lo': '2', 'hi': '0', 'minimum': -5, 'maximum': 20}, {'lower-open': 2, 'upper-open': 0, 'endpoint-order': False, 'empty-constraint': False, 'lower-handle': 2, 'upper-handle': 0}), ({'lo': '2', 'hi': '2', 'minimum': -5, 'maximum': 20}, {'lower-open': 2, 'upper-open': 2, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 2, 'upper-handle': 2}), ({'lo': '2', 'hi': '10', 'minimum': -5, 'maximum': 20}, {'lower-open': 2, 'upper-open': 10, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 2, 'upper-handle': 10}), ({'lo': '10', 'hi': '', 'minimum': -5, 'maximum': 20}, {'lower-open': 10, 'upper-open': None, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 10, 'upper-handle': 20}), ({'lo': '10', 'hi': '0', 'minimum': -5, 'maximum': 20}, {'lower-open': 10, 'upper-open': 0, 'endpoint-order': False, 'empty-constraint': False, 'lower-handle': 10, 'upper-handle': 0}), ({'lo': '10', 'hi': '2', 'minimum': -5, 'maximum': 20}, {'lower-open': 10, 'upper-open': 2, 'endpoint-order': False, 'empty-constraint': False, 'lower-handle': 10, 'upper-handle': 2}), ({'lo': '10', 'hi': '10', 'minimum': -5, 'maximum': 20}, {'lower-open': 10, 'upper-open': 10, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 10, 'upper-handle': 10})], 2: [({'lo': '', 'hi': '0', 'minimum': -5, 'maximum': 20}, {'lower-open': None, 'upper-open': 0, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': -5, 'upper-handle': 0}), ({'lo': '2', 'hi': '2', 'minimum': -5, 'maximum': 20}, {'lower-open': 2, 'upper-open': 2, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 2, 'upper-handle': 2}), ({'lo': '10', 'hi': '2', 'minimum': -5, 'maximum': 20}, {'lower-open': 10, 'upper-open': 2, 'endpoint-order': False, 'empty-constraint': False, 'lower-handle': 10, 'upper-handle': 2}), ({'lo': '10', 'hi': '10', 'minimum': -5, 'maximum': 20}, {'lower-open': 10, 'upper-open': 10, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 10, 'upper-handle': 10}), ({'lo': '', 'hi': '', 'minimum': -5, 'maximum': 20}, {'lower-open': None, 'upper-open': None, 'endpoint-order': True, 'empty-constraint': True, 'lower-handle': -5, 'upper-handle': 20}), ({'lo': '', 'hi': '2', 'minimum': -5, 'maximum': 20}, {'lower-open': None, 'upper-open': 2, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': -5, 'upper-handle': 2}), ({'lo': '', 'hi': '10', 'minimum': -5, 'maximum': 20}, {'lower-open': None, 'upper-open': 10, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': -5, 'upper-handle': 10}), ({'lo': '0', 'hi': '', 'minimum': -5, 'maximum': 20}, {'lower-open': 0, 'upper-open': None, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 0, 'upper-handle': 20}), ({'lo': '0', 'hi': '0', 'minimum': -5, 'maximum': 20}, {'lower-open': 0, 'upper-open': 0, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 0, 'upper-handle': 0}), ({'lo': '0', 'hi': '2', 'minimum': -5, 'maximum': 20}, {'lower-open': 0, 'upper-open': 2, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 0, 'upper-handle': 2})], 3: [({'lo': '', 'hi': '2', 'minimum': -5, 'maximum': 20}, {'lower-open': None, 'upper-open': 2, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': -5, 'upper-handle': 2}), ({'lo': '10', 'hi': '0', 'minimum': -5, 'maximum': 20}, {'lower-open': 10, 'upper-open': 0, 'endpoint-order': False, 'empty-constraint': False, 'lower-handle': 10, 'upper-handle': 0}), ({'lo': '0', 'hi': '0', 'minimum': -5, 'maximum': 20}, {'lower-open': 0, 'upper-open': 0, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 0, 'upper-handle': 0}), ({'lo': '0', 'hi': '2', 'minimum': -5, 'maximum': 20}, {'lower-open': 0, 'upper-open': 2, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 0, 'upper-handle': 2}), ({'lo': '0', 'hi': '10', 'minimum': -5, 'maximum': 20}, {'lower-open': 0, 'upper-open': 10, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 0, 'upper-handle': 10}), ({'lo': '2', 'hi': '', 'minimum': -5, 'maximum': 20}, {'lower-open': 2, 'upper-open': None, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 2, 'upper-handle': 20}), ({'lo': '2', 'hi': '0', 'minimum': -5, 'maximum': 20}, {'lower-open': 2, 'upper-open': 0, 'endpoint-order': False, 'empty-constraint': False, 'lower-handle': 2, 'upper-handle': 0}), ({'lo': '2', 'hi': '2', 'minimum': -5, 'maximum': 20}, {'lower-open': 2, 'upper-open': 2, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 2, 'upper-handle': 2}), ({'lo': '2', 'hi': '10', 'minimum': -5, 'maximum': 20}, {'lower-open': 2, 'upper-open': 10, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 2, 'upper-handle': 10}), ({'lo': '10', 'hi': '', 'minimum': -5, 'maximum': 20}, {'lower-open': 10, 'upper-open': None, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 10, 'upper-handle': 20})], 4: [({'lo': '', 'hi': '10', 'minimum': -5, 'maximum': 20}, {'lower-open': None, 'upper-open': 10, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': -5, 'upper-handle': 10}), ({'lo': '0', 'hi': '', 'minimum': -5, 'maximum': 20}, {'lower-open': 0, 'upper-open': None, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 0, 'upper-handle': 20}), ({'lo': '10', 'hi': '', 'minimum': -5, 'maximum': 20}, {'lower-open': 10, 'upper-open': None, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 10, 'upper-handle': 20}), ({'lo': '10', 'hi': '0', 'minimum': -5, 'maximum': 20}, {'lower-open': 10, 'upper-open': 0, 'endpoint-order': False, 'empty-constraint': False, 'lower-handle': 10, 'upper-handle': 0}), ({'lo': '10', 'hi': '2', 'minimum': -5, 'maximum': 20}, {'lower-open': 10, 'upper-open': 2, 'endpoint-order': False, 'empty-constraint': False, 'lower-handle': 10, 'upper-handle': 2}), ({'lo': '10', 'hi': '10', 'minimum': -5, 'maximum': 20}, {'lower-open': 10, 'upper-open': 10, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 10, 'upper-handle': 10}), ({'lo': '', 'hi': '', 'minimum': -5, 'maximum': 20}, {'lower-open': None, 'upper-open': None, 'endpoint-order': True, 'empty-constraint': True, 'lower-handle': -5, 'upper-handle': 20}), ({'lo': '', 'hi': '0', 'minimum': -5, 'maximum': 20}, {'lower-open': None, 'upper-open': 0, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': -5, 'upper-handle': 0}), ({'lo': '', 'hi': '2', 'minimum': -5, 'maximum': 20}, {'lower-open': None, 'upper-open': 2, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': -5, 'upper-handle': 2}), ({'lo': '0', 'hi': '0', 'minimum': -5, 'maximum': 20}, {'lower-open': 0, 'upper-open': 0, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 0, 'upper-handle': 0})], 5: [({'lo': '', 'hi': '', 'minimum': -5, 'maximum': 20}, {'lower-open': None, 'upper-open': None, 'endpoint-order': True, 'empty-constraint': True, 'lower-handle': -5, 'upper-handle': 20}), ({'lo': '0', 'hi': '10', 'minimum': -5, 'maximum': 20}, {'lower-open': 0, 'upper-open': 10, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 0, 'upper-handle': 10}), ({'lo': '', 'hi': '10', 'minimum': -5, 'maximum': 20}, {'lower-open': None, 'upper-open': 10, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': -5, 'upper-handle': 10}), ({'lo': '0', 'hi': '', 'minimum': -5, 'maximum': 20}, {'lower-open': 0, 'upper-open': None, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 0, 'upper-handle': 20}), ({'lo': '0', 'hi': '0', 'minimum': -5, 'maximum': 20}, {'lower-open': 0, 'upper-open': 0, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 0, 'upper-handle': 0}), ({'lo': '0', 'hi': '2', 'minimum': -5, 'maximum': 20}, {'lower-open': 0, 'upper-open': 2, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 0, 'upper-handle': 2}), ({'lo': '2', 'hi': '', 'minimum': -5, 'maximum': 20}, {'lower-open': 2, 'upper-open': None, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 2, 'upper-handle': 20}), ({'lo': '2', 'hi': '0', 'minimum': -5, 'maximum': 20}, {'lower-open': 2, 'upper-open': 0, 'endpoint-order': False, 'empty-constraint': False, 'lower-handle': 2, 'upper-handle': 0}), ({'lo': '2', 'hi': '2', 'minimum': -5, 'maximum': 20}, {'lower-open': 2, 'upper-open': 2, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 2, 'upper-handle': 2}), ({'lo': '2', 'hi': '10', 'minimum': -5, 'maximum': 20}, {'lower-open': 2, 'upper-open': 10, 'endpoint-order': True, 'empty-constraint': False, 'lower-handle': 2, 'upper-handle': 10})]}\nfor index, (data, expected) in enumerate(fixtures[N]):\n    check(\"contract fixture \" + str(index), solve(data), 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":"Deterministic bounded UI-state model only; no browser, query engine, network, or production-standard conformance is claimed. 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-filter-interfaces-range-draft-lower-handle","generated_at":"2026-09-29T14:41:01.940700+00:00","license":"CC0-1.0","python":"3.12.14","seed":1,"split":"open-access"},"relevance":"Filter-widget state and serialization must preserve user constraints while the view changes.","root_cause":"The lower-handle decision uses `int(d['lo'] or 0)` instead of the stipulated range-draft projection.","sha256":"4d4d7da20e0f656a578bd8d56f114a030c0aa6cf94c5da03599545fe4b5f967a","title":"An open lower endpoint renders the domain minimum handle · 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":39.818,"exit_code":1,"observations":[{"actual":{"empty-constraint":true,"endpoint-order":true,"lower-handle":-5,"lower-open":null,"upper-handle":20,"upper-open":null},"check":"contract fixture 0","expected":{"empty-constraint":true,"endpoint-order":true,"lower-handle":-5,"lower-open":null,"upper-handle":20,"upper-open":null},"passed":true},{"actual":{"empty-constraint":false,"endpoint-order":true,"lower-handle":-5,"lower-open":0,"upper-handle":10,"upper-open":10},"check":"contract fixture 1","expected":{"empty-constraint":false,"endpoint-order":true,"lower-handle":0,"lower-open":0,"upper-handle":10,"upper-open":10},"passed":false},{"actual":{"empty-constraint":false,"endpoint-order":true,"lower-handle":-5,"lower-open":2,"upper-handle":20,"upper-open":null},"check":"contract fixture 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