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docs/reference-verifications/README.md

@@ -2,17 +2,17 @@
 
 이 디렉터리는 Reference Verification Agent가 작성하거나 제안하는 기능별 reference comparison report를 보관하는 위치다.
 
-Reference Verification Agent는 Build/Test Executor Agent 통과 후 generated solver result CSV와 stored Abaqus reference CSV artifacts를 tolerance 기준으로 비교한다. 이 agent는 comparison과 report만 수행하며, source code, tests, CMake files, requirements, formulations, I/O contracts, reference artifacts, tolerance policies를 수정하지 않는다.
+Reference Verification Agent는 Build/Test Executor Agent 통과 후 generated solver `results.h5`와 stored reference `reference.h5`를 tolerance 기준으로 비교한다. CSV는 authoritative storage가 아니라 HDF5 dataset에서 추출한 deterministic CSV view이다. 이 agent는 comparison과 report만 수행하며, source code, tests, CMake files, requirements, formulations, I/O contracts, reference artifacts, tolerance policies를 수정하지 않는다.
 
 기본 문서명은 `docs/reference-verifications/<feature-id>-reference-verification.md` 형식을 사용한다.
 
 ## Reference Verification Agent 역할
 
 수행한다:
-- `references/<feature-id>/<model-id>/` artifact bundle과 generated solver result CSV를 확인한다.
-- `metadata.json`, schema version, units, coordinate system, step/frame identity, node/element IDs, output location, tolerance source를 확인한다.
-- `displacements.csv`, `reactions.csv`, `element_forces.csv`, `stresses.csv`를 기본 비교 대상으로 삼는다.
-- upstream 문서가 요구할 때만 `strains.csv`, `energy_or_residual.csv`를 추가 비교한다.
+- `references/<feature-id>/<model-id>/` artifact bundle과 generated solver `results.h5`를 확인한다.
+- `metadata.json`, `reference.h5`, required deterministic CSV views, schema version, units, coordinate system, step/frame identity, node/element IDs, output location, tolerance source를 확인한다.
+- HDF5 dataset을 authoritative 비교 대상으로 삼고, `csv/displacements.csv`, `csv/reactions.csv`, `csv/element_forces.csv`, `csv/stresses.csv`는 deterministic row view로 사용한다.
+- upstream 문서가 요구할 때만 `csv/strains.csv`, `csv/energy_or_residual.csv`를 추가 비교한다.
 - max absolute error, max relative error, RMS error, norm error, worst node/element/component, missing rows, extra rows, pass/fail을 보고한다.
 - 실패를 missing-reference-artifact, missing-solver-output, schema-mismatch, id-mismatch, unit-or-coordinate-mismatch, tolerance-failure, nonfinite-result, upstream-contract, environment로 분류한다.
 
@@ -23,8 +23,8 @@ Reference Verification Agent는 Build/Test Executor Agent 통과 후 generated s
 - requirements, formulations, I/O contracts, reference model contracts를 수정하지 않는다.
 - reference artifacts 또는 tolerance policies를 수정하지 않는다.
 - Abaqus, Nastran 또는 reference solver를 실행하지 않는다.
-- reference CSV를 생성하지 않는다.
-- solver output CSV를 tolerance에 맞추기 위해 보정하지 않는다.
+- reference HDF5 파일이나 deterministic CSV view를 생성하지 않는다.
+- solver output을 tolerance에 맞추기 위해 보정하지 않는다.
 - physics validation success 또는 release readiness를 승인하지 않는다.
 
 ## 실행 순서
@@ -38,9 +38,11 @@ ARTIFACT CHECK -> COMPARE -> CLASSIFY -> REPORT
 `ARTIFACT CHECK`에서 다음 항목이 없으면 비교를 시작하지 않는다.
 
 - `metadata.json`
-- required reference CSV files
-- generated solver result CSV files
-- schema version
+- stored reference `reference.h5`
+- generated solver `results.h5`
+- required deterministic CSV view files
+- HDF5 schema version
+- CSV view schema version
 - units
 - coordinate system
 - step/frame identity
@@ -50,21 +52,27 @@ ARTIFACT CHECK -> COMPARE -> CLASSIFY -> REPORT
 
 ## 비교 대상
 
-기본 비교 대상:
-- `displacements.csv`: nodal displacement
-- `reactions.csv`: nodal reaction force
-- `element_forces.csv`: element internal force
-- `stresses.csv`: element stress
+Authoritative 비교 대상:
+- `results.h5`와 `reference.h5`의 displacement datasets
+- `results.h5`와 `reference.h5`의 reaction datasets
+- `results.h5`와 `reference.h5`의 element force datasets
+- `results.h5`와 `reference.h5`의 stress datasets
 
-선택 비교 대상:
-- `strains.csv`: strain이 acceptance criteria에 포함된 경우
-- `energy_or_residual.csv`: energy, residual, convergence quantity가 acceptance criteria에 포함된 경우
+기본 deterministic CSV view:
+- `csv/displacements.csv`: nodal displacement
+- `csv/reactions.csv`: nodal reaction force
+- `csv/element_forces.csv`: element internal force
+- `csv/stresses.csv`: element stress
+
+선택 deterministic CSV view:
+- `csv/strains.csv`: strain이 acceptance criteria에 포함된 경우
+- `csv/energy_or_residual.csv`: energy, residual, convergence quantity가 acceptance criteria에 포함된 경우
 
 ## Failure Classification
 
 - `missing-reference-artifact`: required stored reference file 또는 provenance가 없다.
-- `missing-solver-output`: generated solver result CSV 또는 comparison command가 없다.
-- `schema-mismatch`: reference CSV와 solver CSV column/schema가 다르다.
+- `missing-solver-output`: generated solver `results.h5` 또는 comparison command가 없다.
+- `schema-mismatch`: reference HDF5, solver HDF5, 또는 deterministic CSV view schema가 다르다.
 - `id-mismatch`: node id, element id, step/frame, integration point, component matching이 실패했다.
 - `unit-or-coordinate-mismatch`: units 또는 coordinate system이 비교 가능하지 않다.
 - `tolerance-failure`: schema와 matching은 유효하지만 error가 tolerance를 초과했다.
@@ -93,31 +101,32 @@ ARTIFACT CHECK -> COMPARE -> CLASSIFY -> REPORT
 | --- | --- | --- | --- |
 | reference_bundle | references/<feature-id>/<model-id>/ | present | missing | <notes> |
 | metadata | references/<feature-id>/<model-id>/metadata.json | present | missing | <provenance summary> |
-| reference_displacements | references/<feature-id>/<model-id>/displacements.csv | present | missing | <notes> |
-| reference_reactions | references/<feature-id>/<model-id>/reactions.csv | present | missing | <notes> |
-| reference_element_forces | references/<feature-id>/<model-id>/element_forces.csv | present | missing | <notes> |
-| reference_stresses | references/<feature-id>/<model-id>/stresses.csv | present | missing | <notes> |
-| solver_outputs | <solver output directory> | present | missing | <notes> |
+| reference_hdf5 | references/<feature-id>/<model-id>/reference.h5 | present | missing | <schema summary> |
+| reference_csv_views | references/<feature-id>/<model-id>/csv/ | present | missing | <view inventory> |
+| solver_hdf5 | <solver output directory>/results.h5 | present | missing | <schema summary> |
+| solver_csv_views | <solver output directory>/csv/ | present | missing | <view inventory or N/A> |
 
 ## Comparison Contract
-- schema_version: <version>
+- hdf5_schema_version: <version>
+- csv_view_schema_version: <version>
 - id_matching: node_id | element_id | step/frame | integration_point | component
 - units: <unit system>
 - coordinate_system: <global/local convention>
 - output_location: nodal | element | integration_point | centroid | recovery_location
 - component_naming: <component naming policy>
+- csv_view_sort_order: <step, frame, id, location, component order>
 - tolerance_source: <requirement/reference model/I/O document>
 - tolerance_policy: absolute | relative | norm-based | combined
 - zero_reference_policy: <policy or N/A>
 
 ## Quantity Results
 
-| quantity | model_id | artifact_file | compared_rows | missing_rows | extra_rows | max_abs_error | max_rel_error | rms_error | norm_error | worst_id | worst_component | result |
-| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
-| displacement | <model-id> | displacements.csv | <n> | <n> | <n> | <value> | <value> | <value> | <value or N/A> | <node id> | <component> | pass | fail |
-| reaction | <model-id> | reactions.csv | <n> | <n> | <n> | <value> | <value> | <value> | <value or N/A> | <node id> | <component> | pass | fail |
-| element force | <model-id> | element_forces.csv | <n> | <n> | <n> | <value> | <value> | <value> | <value or N/A> | <element id> | <component> | pass | fail |
-| stress | <model-id> | stresses.csv | <n> | <n> | <n> | <value> | <value> | <value> | <value or N/A> | <element/ip id> | <component> | pass | fail |
+| quantity | model_id | hdf5_dataset | csv_view | compared_rows | missing_rows | extra_rows | max_abs_error | max_rel_error | rms_error | norm_error | worst_id | worst_component | result |
+| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
+| displacement | <model-id> | <dataset path> | csv/displacements.csv | <n> | <n> | <n> | <value> | <value> | <value> | <value or N/A> | <node id> | <component> | pass | fail |
+| reaction | <model-id> | <dataset path> | csv/reactions.csv | <n> | <n> | <n> | <value> | <value> | <value> | <value or N/A> | <node id> | <component> | pass | fail |
+| element force | <model-id> | <dataset path> | csv/element_forces.csv | <n> | <n> | <n> | <value> | <value> | <value> | <value or N/A> | <element id> | <component> | pass | fail |
+| stress | <model-id> | <dataset path> | csv/stresses.csv | <n> | <n> | <n> | <value> | <value> | <value> | <value or N/A> | <element/ip id> | <component> | pass | fail |
 
 ## Failure Classification
 - classification: missing-reference-artifact | missing-solver-output | schema-mismatch | id-mismatch | unit-or-coordinate-mismatch | tolerance-failure | nonfinite-result | upstream-contract | environment | N/A
@@ -130,7 +139,7 @@ ARTIFACT CHECK -> COMPARE -> CLASSIFY -> REPORT
 | --- | --- | --- |
 | Correction Agent | <implementation-owned mismatch or nonfinite result> | <comparison metrics and failing quantity> |
 | Reference Model Agent | <missing or invalid reference artifact/provenance> | <artifact inventory> |
-| I/O Definition Agent | <schema, units, coordinate, output location mismatch> | <contract mismatch> |
+| I/O Definition Agent | <HDF5 schema, CSV view schema, units, coordinate, output location mismatch> | <contract mismatch> |
 | Physics Evaluation Agent | <reference comparisons passed> | <quantity results and report> |
 | Coordinator Agent | <blocked or repeated ambiguity> | <classification and open issue> |
 
@@ -151,15 +160,16 @@ ARTIFACT CHECK -> COMPARE -> CLASSIFY -> REPORT
 - `pass-for-physics-evaluation`: required reference comparisons가 모두 통과했고 Physics Evaluation Agent로 넘길 수 있다.
 - `needs-correction`: implementation-owned solver result mismatch 또는 nonfinite result가 있다.
 - `needs-reference-artifacts`: required reference artifact 또는 provenance가 누락됐다.
-- `needs-solver-results`: generated solver result CSV 또는 comparison command가 없다.
+- `needs-solver-results`: generated solver `results.h5` 또는 comparison command가 없다.
 - `needs-upstream-decision`: schema, tolerance, units, coordinate system, output location, ID matching policy가 누락 또는 충돌한다.
 - `blocked`: 사용자 또는 Coordinator Agent 결정 없이는 안전하게 진행할 수 없다.
 
 ## 품질 기준
 
-- 모든 `must` requirement의 reference-comparison 항목은 model id, compared quantity, artifact file, tolerance에 trace되어야 한다.
-- reference artifact는 읽기 전용이다. `model.inp`, `metadata.json`, reference CSV를 수정하지 않는다.
-- solver output CSV는 비교 입력일 뿐이며 tolerance에 맞추기 위해 후처리 보정하지 않는다.
+- 모든 `must` requirement의 reference-comparison 항목은 model id, compared quantity, HDF5 dataset, CSV view, tolerance에 trace되어야 한다.
+- reference artifact는 읽기 전용이다. `model.inp`, `metadata.json`, `reference.h5`, `csv/*.csv`를 수정하지 않는다.
+- `results.h5`와 `reference.h5`가 authoritative 비교 입력이다.
+- deterministic CSV view는 행 정렬과 사람이 검토 가능한 비교 view일 뿐이며 tolerance에 맞추기 위해 후처리 보정하지 않는다.
 - stress/strain은 element id, integration point 또는 recovery location, component naming이 일치할 때만 비교한다.
 - nodal displacement/reaction은 node id, DOF/component, coordinate system, unit이 일치할 때만 비교한다.
 - missing rows와 extra rows를 숨기지 않고 보고한다.