docs: align reference gate with comparison verdict

phases/linear-static-3d-euler-beam/index.json

@@ -216,7 +216,7 @@
       "status": "completed",
       "started_at": "2026-08-09T23:34:22+0900",
       "completed_at": "2026-08-09T23:43:22+0900",
-      "summary": "Approved legacy B33 4-file artifact precheck와 read-only HDF5 schema/source identity/stress audit를 통과하고 exact B33ReferenceComparison을 두 번 1/1 실행해 deterministic comparison.json의 passed=true, 176/176 rows, 16/16 metrics, displacement/reaction/section 66/66/44 rows 및 reference immutability를 독립 검산하여 pass-for-physics-evaluation으로 인계함"
+      "summary": "Approved legacy B33 4-file artifact precheck와 read-only HDF5 schema/source identity/stress audit를 통과하고 exact B33ReferenceComparison을 두 번 1/1 실행해 deterministic comparison.json의 passed=true, 176/176 rows, 16/16 metrics, displacement/reaction/section 66/66/44 rows 및 reference immutability를 독립 검산했으며 final review에서 exact acceptance probe도 authoritative passed boolean으로 정렬·재검증하여 pass-for-physics-evaluation으로 인계함"
     },
     {
       "step": 27,

phases/linear-static-3d-euler-beam/step26.md

@@ -68,7 +68,7 @@ ctest --test-dir .harness/build -C Debug -R B33ReferenceComparison -V --output-o
 $metricsPath = '.harness/build/reference/cantilever-beam-b33/comparison.json'
 if (-not (Test-Path $metricsPath)) { throw 'Missing comparison metrics' }
 $metrics = Get-Content -Raw $metricsPath | ConvertFrom-Json
-if ($metrics.status -ne 'pass') { throw "Reference comparison failed: $($metrics.status)" }
+if ($metrics.passed -ne $true) { throw "Reference comparison failed: passed=$($metrics.passed)" }
 git diff --exit-code -- reference/
 ```