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Coding/Codex-cpp/docs/ARCHITECTURE.md

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+# 아키텍처
+
+## 목표
+이 저장소의 현재 책임은 C++/MSVC 프로젝트를 위한 Codex Harness scaffold를 제공하는 것이다. Harness는 phase execution, edit guard, commit validation, workspace validation을 분리해서 관리한다.
+
+## 디렉토리 구조
+```text
+.codex/
+├── hooks/              # Codex hook scripts
+└── skills/             # Harness planning/review instructions
+docs/                   # Project and Harness guidance
+scripts/
+├── execute.py          # Phase step executor
+├── validate_workspace.py
+└── test_*.py           # Harness self-tests
+phases/                 # Optional generated phase plans
+```
+
+## 데이터 흐름
+```text
+User-approved task
+-> Harness phase files under phases/
+-> scripts/execute.py injects AGENTS.md and docs/*.md
+-> Codex executes one step at a time
+-> step updates phases/{phase}/index.json
+-> validation runs through scripts/validate_workspace.py
+```
+
+## Hook 흐름
+```text
+apply_patch/Edit/Write
+-> .codex/hooks/tdd-guard.py
+-> C++ production changes require related tests
+
+git commit command
+-> .codex/hooks/pre_commit_checks.py
+-> Python Harness self-tests
+-> scripts/validate_workspace.py
+```
+
+## Validation 흐름
+```text
+HARNESS_VALIDATION_COMMANDS set
+-> run exact commands
+
+CMakePresets.json has msvc-debug configure preset
+-> cmake --preset msvc-debug
+-> cmake --build preset binary dir --config Debug
+-> ctest --test-dir preset binary dir -C Debug
+
+CMakeLists.txt exists
+-> cmake -S . -B build/msvc-debug -G "Visual Studio 17 2022" -A x64
+-> cmake --build build/msvc-debug --config Debug
+-> ctest --test-dir build/msvc-debug --output-on-failure -C Debug
+
+No CMake project
+-> print guidance and exit successfully
+```