docs: align consolidated solver workflow

phases/linear-static-3d-euler-beam/step27.md

@@ -12,12 +12,12 @@
 - `/docs/ARCHITECTURE.md`
 - `/docs/ADR.md`
 - `/docs/physics-evaluations/README.md`
-- `/docs/reference-verifications/linear-static-3d-euler-beam-reference-verification.md`
-- `/docs/reference-models/linear-static-3d-euler-beam-reference-models.md`
-- `/docs/requirements/linear-static-3d-euler-beam.md`
-- `/docs/formulations/3d-isoparametric-euler-beam-formulation.md`
-- `/docs/numerical-reviews/linear-static-3d-euler-beam-review.md`
-- `/docs/io-definitions/linear-static-3d-euler-beam-io.md`
+- `/docs/linear-static-3d-euler-beam/reference-comparison.md`
+- `/docs/linear-static-3d-euler-beam/reference-model.md`
+- `/docs/linear-static-3d-euler-beam/requirements.md`
+- `/docs/linear-static-3d-euler-beam/formulation.md`
+- `/docs/linear-static-3d-euler-beam/numerical-review.md`
+- `/docs/linear-static-3d-euler-beam/io.md`
 - `/.harness/build/reference/cantilever-beam-b33/results.h5`
 - `/.harness/build/reference/cantilever-beam-b33/comparison.json`
 - `/reference/cantilever beam/`의 승인된 read-only artifact
@@ -25,7 +25,7 @@
 ## 작업
 
 Reference Verification status가 `pass-for-physics-evaluation`인지 먼저 확인하고
-`docs/physics-evaluations/linear-static-3d-euler-beam-physics-evaluation.md`를 생성하라.
+`docs/linear-static-3d-euler-beam/physics-evaluation.md`를 생성하라.
 
 다음 physical check를 documented expectation과 observed HDF5/comparison evidence로 각각
 판정한다.
@@ -48,7 +48,7 @@ Stress는 Abaqus reference comparison 없이 schema/unit/analytical evidence로
 ## Acceptance Criteria
 
 ```powershell
-$referenceReport = 'docs/reference-verifications/linear-static-3d-euler-beam-reference-verification.md'
+$referenceReport = 'docs/linear-static-3d-euler-beam/reference-comparison.md'
 if (-not (Select-String -LiteralPath $referenceReport `
     -SimpleMatch 'status: `pass-for-physics-evaluation`' -Quiet)) {
   throw 'Reference verification gate is not passing'
@@ -60,7 +60,7 @@ git diff --exit-code -- reference/
 ```
 
 ```powershell
-$path = 'docs/physics-evaluations/linear-static-3d-euler-beam-physics-evaluation.md'
+$path = 'docs/linear-static-3d-euler-beam/physics-evaluation.md'
 if (-not (Test-Path $path)) { throw "Missing $path" }
 $required = @('status: `pass-for-release-agent`', '## Input Evidence', '## Physics Checks',
   'global equilibrium', 'reaction consistency', 'displacement direction',