docs: remove retired workflow instructions and repair references

phases/nonlinear-static-newton-raphson/step7.md

@@ -1,12 +1,15 @@
 # Step 7: newton-iteration-log-writer
 
+> 과거 개발 계획이다. 아래 작업·상태·예시는 현재 실행 지시가 아니다.
+> 현재 구현과 검증 한계는 [기능 요약](../../docs/nonlinear-static-newton-raphson/README.md)을 따른다.
+
 ## 읽어야 할 파일
 
 - `AGENTS.md`
-- `docs/ARCHITECTURE.md`
-- `docs/nonlinear-static-newton-raphson/io.md`
-- `docs/nonlinear-static-newton-raphson/formulation.md`
-- `docs/nonlinear-static-newton-raphson/implementation-plan.md`
+- `../../docs/solver-core/README.md`
+- `../../docs/nonlinear-static-newton-raphson/README.md`
+- `../../docs/nonlinear-static-newton-raphson/formulation.md`
+- `../../docs/nonlinear-static-newton-raphson/README.md`
 - Step 0 files: `include/fesa/app/output_paths.h`, `src/fesa/app/output_paths.cpp`, `include/fesa/analysis/analysis.h`
 - Step 5 files: `include/fesa/analysis/nonlinear_static_control.h`
 
@@ -120,7 +123,7 @@ ctest --preset windows-msvc-ninja-debug --show-only=json-v1
 ctest --preset windows-msvc-ninja-debug --output-on-failure
 ```
 
-Use the ignored `.harness/config.json` preset contract. The Harness process must inherit VsDevCmd x64 and `FESA_GTEST_SOURCE_DIR`, `MKL_DIR`, `TBB_DIR`, and `HDF5_DIR` from its parent launch environment.
+Use the ignored 과거 검증 자료(정리됨) preset contract. The Harness process must inherit VsDevCmd x64 and `FESA_GTEST_SOURCE_DIR`, `MKL_DIR`, `TBB_DIR`, and `HDF5_DIR` from its parent launch environment.
 
 ## 상태 기록