docs: use fixed MITC4 reference tolerance

docs/numerical-reviews/linear-static-mitc4-shell-review.md

@@ -75,7 +75,7 @@ confirmed mathematical defect는 없다.
 | `NR-O02` drilling-energy ratio | `removed from scope` | Drilling energy는 내부 quadratic identity일 뿐 physical energy나 mandatory output이 아니며 ratio/warning threshold도 요구하지 않는다. |
 | `NR-O03` smooth-director calibration | `removed from scope` | Pairwise positive incident-normal orientation, finite/nonzero averaging 및 duplicate-node fold modeling이 승인된 exact predicate다. 별도 angle calibration은 gate가 아니다. |
 | `NR-O04` distortion/warp calibration | `removed from scope` | Basic topology, finite/nonzero surface measure 및 required-point `J>0`가 승인된 predicate다. Quality sweep이나 cutoff는 gate가 아니다. |
-| `NR-O05` U/UR tolerance | `resolved` | 모든 관련 문서가 sole S4 reference에 `1e-9+1e-6*reference_scale_c`, U blocking, UR warning-only를 동일하게 정의한다. S4R은 reference gate가 아닌 common-path evidence다. |
+| `NR-O05` U/UR tolerance | `resolved` | 모든 관련 문서가 sole S4 reference에 고정 절대오차 `1.0e-5`, U blocking, UR warning-only를 동일하게 정의한다. Reference scale은 판정에 사용하지 않으며 S4R은 reference gate가 아닌 common-path evidence다. |
 
 이전의 `needs-reference-model` 판정에 포함됐던 canonical naming, README,
 `metadata.json`, provenance, expanded portfolio 및 아직 없는 comparison result는 현재
@@ -223,9 +223,8 @@ confirmed mathematical defect는 없다.
   not emitted, and `S13/S23` point stress is not synthesized. Different natural or
   section locations are never averaged.
 - Reference comparison first rejects missing, extra, duplicate, nonfinite or
-  identity-mismatched rows. For each case/component,
-  `reference_scale_c=max(abs(finite Abaqus values))` and
-  `tolerance_c=1e-9+1e-6*reference_scale_c`; no zero clamp or row denominator is
+  identity-mismatched rows. Every U/UR row then uses fixed absolute tolerance
+  `1.0e-5`; no reference-scale decision term, zero clamp or row denominator is
   introduced. U1/U2/U3 is blocking and UR1/UR2/UR3 is warning-only.
 - Source S4 and S4R select the same FESA MITC4 kernel/quadrature/recovery path while
   preserving source type. This is an input mapping, not an Abaqus formulation,