From 1f8a0fdc44c684755fab4e9592f7fc4ea3ad3da5 Mon Sep 17 00:00:00 2001
From: boris <shuaibo.zhang@hotmail.com>
Date: Sat, 5 Sep 2026 04:06:46 +0800
Subject: [PATCH] docs: record rejected lazy expression scope

---
 ...y-expression-scope-rejection-20260905.json | 56 +++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 docs/evidence/lazy-expression-scope-rejection-20260905.json

diff --git a/docs/evidence/lazy-expression-scope-rejection-20260905.json b/docs/evidence/lazy-expression-scope-rejection-20260905.json
new file mode 100644
index 0000000..5ef0efb
--- /dev/null
+++ b/docs/evidence/lazy-expression-scope-rejection-20260905.json
@@ -0,0 +1,56 @@
+{
+  "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"
+  }
+}