diff --git a/CLAUDE.md b/CLAUDE.md
index 2fb5fda..cf1c353 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -65,10 +65,10 @@ CodePilot — Claude Code 的桌面 GUI 客户端，基于 Electron + Next.js。
 - **Requirements**（系统要求、依赖说明）
 - **Changelog**（自上一版本以来的 commit 列表）
 
-## Architecture Docs
+## Docs 目录
 
-- [Agent Tooling & TodoWrite Bridge](docs/agent-tooling-todo-bridge.md) — SDK → SSE → DB 事件流、TodoWrite 字段映射、tool_result 三层去重策略
-- [多 IM 远程会话桥接系统](docs/bridge-system.md) — Telegram 远程操控 Claude 会话，含目录结构、数据流、关键设计决策
+- `docs/handover/` — 交接文档（架构、数据流、设计决策）。**检索前先读 README.md；增删文件后更新索引。**
+- `docs/research/` — 调研文档（技术方案、可行性分析）。**同上。**
 
 ## Build Notes
 
diff --git a/docs/handover/README.md b/docs/handover/README.md
new file mode 100644
index 0000000..d774d8d
--- /dev/null
+++ b/docs/handover/README.md
@@ -0,0 +1,12 @@
+# Handover / 交接文档
+
+系统架构、数据流、关键设计决策的持久化记录，供后续开发者（含 AI）快速上手。
+
+**AI 须知：修改或新增文件后更新下方索引；检索本目录前先读此文件。**
+
+## 索引
+
+| 文件 | 主题 |
+|------|------|
+| agent-tooling-todo-bridge.md | SDK → SSE → DB 事件流、TodoWrite 字段映射、去重策略 |
+| bridge-system.md | 多 IM 远程桥接系统架构（目录结构、数据流、设计决策） |
diff --git a/docs/agent-tooling-todo-bridge.md b/docs/handover/agent-tooling-todo-bridge.md
similarity index 100%
rename from docs/agent-tooling-todo-bridge.md
rename to docs/handover/agent-tooling-todo-bridge.md
diff --git a/docs/bridge-system.md b/docs/handover/bridge-system.md
similarity index 100%
rename from docs/bridge-system.md
rename to docs/handover/bridge-system.md
diff --git a/docs/research/README.md b/docs/research/README.md
new file mode 100644
index 0000000..cda2025
--- /dev/null
+++ b/docs/research/README.md
@@ -0,0 +1,12 @@
+# Research / 调研文档
+
+技术方案调研、可行性分析、POC 验证记录。
+
+**AI 须知：修改或新增文件后更新下方索引；检索本目录前先读此文件。**
+
+## 索引
+
+| 文件 | 主题 |
+|------|------|
+| chat-sdk-integration-feasibility.md | Vercel Chat SDK 集成可行性调研 |
+| context-storage-migration-plan.md | 上下文共享与存储迁移设计 |
diff --git a/docs/chat-sdk-integration-feasibility.md b/docs/research/chat-sdk-integration-feasibility.md
similarity index 100%
rename from docs/chat-sdk-integration-feasibility.md
rename to docs/research/chat-sdk-integration-feasibility.md
diff --git a/docs/context-storage-migration-plan.md b/docs/research/context-storage-migration-plan.md
similarity index 100%
rename from docs/context-storage-migration-plan.md
rename to docs/research/context-storage-migration-plan.md