refactor(trace): enforce run-only diagnosis model

mvp/README.md

@@ -1,6 +1,6 @@
 # SuperBizAgent MVP 文档
 
-**更新日期**：2026-07-10
+**更新日期**：2026-07-20
 
 本目录保存 MVP 阶段的架构、问题、演示、评测和数据表说明。当前材料按“当前入口”和“历史归档”拆开，避免把早期设计稿当成当前实现。
 
@@ -10,6 +10,7 @@
 |---|---|
 | [architecture/README.md](architecture/README.md) | 当前 MVP 架构入口 |
 | [architecture/current-mvp-architecture.md](architecture/current-mvp-architecture.md) | 当前可运行系统架构 |
+| [architecture/stategraph-runtime-architecture.md](architecture/stategraph-runtime-architecture.md) | 复杂 Chat StateGraph 运行时架构 |
 | [architecture/interview-one-pager.md](architecture/interview-one-pager.md) | 面试一页式架构讲解 |
 | [architecture/agent-orchestration.md](architecture/agent-orchestration.md) | Agent 编排架构 |
 | [architecture/executor-evidence-pipeline-refactor.md](architecture/executor-evidence-pipeline-refactor.md) | Executor 证据链路改造记录 |
@@ -39,6 +40,7 @@ mvp/
   architecture/
     README.md
     current-mvp-architecture.md
+    stategraph-runtime-architecture.md
     interview-one-pager.md
     agent-orchestration.md
     executor-evidence-pipeline-refactor.md
@@ -55,7 +57,6 @@ mvp/
     README.md
     active/
     archived/
-    design-notes/
     rag/
   tables/
     README.md
@@ -118,9 +119,10 @@ RAG
 
 ## 归档说明
 
-历史材料分两类：
+历史材料分三类：
 
 - 旧架构文档：[architecture/archive/2026-07-05-legacy/](architecture/archive/2026-07-05-legacy/)
 - 本次文档清理归档：[archive/2026-07-09-doc-cleanup/](archive/2026-07-09-doc-cleanup/)
+- Run-only v2 和 StateGraph 收口后的旧材料：[archive/2026-07-20-doc-cleanup/](archive/2026-07-20-doc-cleanup/)
 
 归档文档只用于追溯设计历史。当前实现和后续规划以 `architecture/`、`issues/README.md`、`tables/README.md` 和 OpenSpec/devflow 的最新记录为准。