docs: compress CLAUDE.md, extract architecture layout to docs/architecture.md

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

docs/architecture.md

@@ -0,0 +1,45 @@
+# Architecture — recordingtest 3-tier layout
+
+## 폴더 레이아웃
+
+```
+src/
+├── Recordingtest.Recorder/              # Generic
+├── Recordingtest.Player/                # Generic
+├── Recordingtest.Normalizer/            # Generic
+├── Recordingtest.DiffReporter/          # Generic
+├── Recordingtest.Runner/                # Generic
+├── Recordingtest.SutProber/             # Generic
+├── Recordingtest.Bridge.Abstractions/   # Generic — IEngineStateProvider, ITargetResolver
+├── Recordingtest.Bridge.Client/         # Generic — HTTP sidecar 클라이언트
+├── Hmeg/
+│   ├── Recordingtest.Hmeg.Bridge/       # HmEG-aware — Space/Camera/Selection
+│   ├── Recordingtest.Hmeg.Catalog/      # HmEG-aware — 정적 분석/후보 탐색
+│   └── Recordingtest.Hmeg.Bridge.Client/# HmEG-aware — HmEgHttpSnapshot
+└── Sut/
+    └── EgBim/
+        └── Recordingtest.Sut.EgBim.PluginHost/  # MEF entry, EditorPlugin 상속, HttpListener
+tests/
+├── Recordingtest.*.Tests/
+├── Recordingtest.Architecture.Tests/    # 의존 그래프 11건 강제
+├── Hmeg/Recordingtest.Hmeg.*.Tests/
+└── Sut/EgBim/Recordingtest.Sut.EgBim.*.Tests/
+```
+
+## 새 SUT 추가 시
+
+HmEG-aware 재사용. 앱마다 다른 부분만 신규 작성:
+
+```
+src/Sut/<NewApp>/
+    Recordingtest.Sut.<NewApp>.PluginHost/  # MEF entry
+    Recordingtest.Sut.<NewApp>.Adapter/     # AppManager 어댑터 (필요 시)
+```
+
+## 모듈 분류 현황 (2026-04-09)
+
+| 모듈 | 계층 |
+|---|---|
+| Recorder, Player, Normalizer, DiffReporter, Runner, SutProber, Bridge.Abstractions, Bridge.Client | Generic |
+| Hmeg.Bridge, Hmeg.Catalog, Hmeg.Bridge.Client | HmEG-aware |
+| Sut.EgBim.PluginHost | App-specific |