{ "schemaVersion": "fidc-lazy-expression-scope-rejection/v1", "measuredAt": "2026-09-05T04:06:00+08:00", "host": "192.168.31.177", "candidateCommit": "1b44928", "revertCommit": "229ca8332df050c6961f73bd1a17de0dab583cf0", "restoredRunnerBinarySha256": "3e69af42e41321d31c69b552cf22d7033ce1ea8d94305a32e32461148cdbfc60", "candidate": { "description": "add closure-based lazy SelectiveExpressionScope bindings for dates, order/process state, stock strings, and position availability", "primaryHotEngineSeconds": [3.838, 3.867, 4.017, 3.931, 3.866], "primaryHotMedianEngineSeconds": 3.867, "secondaryEngineSeconds": [3.664, 3.649, 3.693, 3.767], "secondaryMedianEngineSeconds": 3.693 }, "acceptedBaseline": { "primaryMedianEngineSeconds": 3.896, "secondaryMedianEngineSeconds": 3.582 }, "observed": { "primaryImprovementPercent": 0.744353182751538, "secondaryRegressionPercent": 3.098827470686773 }, "rollbackBatchExcluded": { "secondaryEngineSeconds": [5.343, 5.352, 6.996], "hostLoadAverage": 28.38, "reason": "managed factor workload changed phase after deployment; this batch is retained for correctness only" }, "businessContract": { "primaryTotalReturn": 0.9219861819172002, "primaryTradeCount": 26088, "primaryCanonicalSha256": "b42fea66237d06eadb24f6b8c9e2760e7319fe3699f315b99e01f433ef2aa234", "primaryResultStoreSha256": "92343fb369fea68b2544b654151c5c43a935940580b14afbe8eefb3844f72a54", "secondaryTotalReturn": 1.1342962298106998, "secondaryTradeCount": 19404, "secondaryCanonicalSha256": "0dbd3fad624097c673c4a5ec2f545f95e9c21d1d5337bb2b48ffeb22b16cb2b9", "secondaryResultStoreSha256": "416d2f87241fb4c6b917f6aeecb588f82f6e7d51a103f4c53a74d11971f16839", "resultConsistent": true, "terminalAuditStatus": "clean" }, "testGate": { "coreUnitTotal": 423, "corePassed": 417, "ignoredManualBenchmarks": 6, "failed": 0, "integrationSuitesPassed": true }, "remoteArtifacts": [ "/srv/fidc/canonical/run/fidc-private/evidence/lazy-expression-scope-primary-20260905.json", "/srv/fidc/canonical/run/fidc-private/evidence/lazy-expression-scope-secondary-20260905.json", "/srv/fidc/canonical/run/fidc-private/evidence/lazy-expression-scope-rollback-secondary-20260905.json" ], "acceptance": { "status": "rejected_and_removed", "reason": "closure-based lazy bindings marginally helped one strategy but regressed the second stable five-year contract, so the implementation was removed" } }