Merge remote changes: integrate MCP tools and resource refactor docs into framework

- Resolve directory rename conflict from old 03/06 dirs
- Move remote-added 资源加载重构方案.md into modules/frameworks/资源管理/
- Move remote-added 06_工具脚本/MCP工具 into modules/frameworks/编辑器工具/MCP工具/
- Keep Tools/CodexUnityMcp/ as MCP Server implementation
- Update README.md, modules/模块索引.md, and parent READMEs
- Add 文档关联 sections to new docs and fix old absolute paths

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

modules/frameworks/编辑器工具/README.md

@@ -41,6 +41,11 @@
 - [通用框架](../通用框架/README.md)
 - [资源管理](../资源管理/README.md)
 
+## 子文档
+
+- [UI 拼接工具](UI拼接工具.md)
+- [MCP 工具](MCP工具/README.md)
+
 ---
 
 ## 文档关联
@@ -50,5 +55,7 @@
 | 文档 | 关联原因 |
 |---|---|
 | [modules/模块索引.md](../../模块索引.md) | 模块索引是项目知识总入口 |
+| [modules/frameworks/编辑器工具/UI拼接工具.md](UI拼接工具.md) | UI 预制体 JSON 双向转换工具 |
+| [modules/frameworks/编辑器工具/MCP工具/README.md](MCP工具/README.md) | Codex ↔ Unity MCP 工具 |
 | [rules/10-架构说明.md](../../../rules/10-架构说明.md) | 编辑器工具层的架构说明 |
 | [rules/30-模块登记规则.md](../../../rules/30-模块登记规则.md) | 模块登记规则定义分类和状态口径 |