Merge remote-tracking branch 'origin/main' into feat/knowledge-retrieval-core

# Conflicts:
#	README.md
#	backend/app/routes.py
#	docs/architecture/AI笔记软件技术栈说明-团队版-v2.3.md
#	docs/development/Knowledge与Retrieval-Core开发说明.md

docs/README.md

@@ -33,6 +33,8 @@
 - [Benchmark 开发说明](development/Benchmark开发说明.md)
 - [模型提供商与模型发现开发说明](development/模型提供商与模型发现开发说明.md)
 - [MCP Bridge 与 Plugin Host 开发说明](development/MCP-Bridge与Plugin-Host开发说明.md)
+- [独立 MCP Server 配置中心开发说明](development/独立MCP-Server配置中心开发说明.md)
+- [Plugin Command 与 Settings 开发说明](development/Plugin-Command与Settings开发说明.md)
 - [前端壳子与接口层开发说明](development/前端壳子与接口层开发说明.md)
 - [前端写作体验优化开发说明](development/前端写作体验优化开发说明.md)
 - [前端视觉与轻量动效优化开发说明](development/前端视觉与轻量动效优化开发说明.md)
@@ -49,6 +51,7 @@
 - [后端全面审阅问题与修复复盘](retrospectives/后端全面审阅问题与修复复盘.md)
 - [Agent Core 第二阶段问题与修复复盘](retrospectives/Agent-Core第二阶段问题与修复复盘.md)
 - [Knowledge 与 Retrieval Core 问题与修复复盘](retrospectives/Knowledge与Retrieval-Core问题与修复复盘.md)
+- [Plugin Command 与 Settings 问题与修复复盘](retrospectives/Plugin-Command与Settings问题与修复复盘.md)
 - [前端合并审阅问题与修复复盘](retrospectives/前端合并审阅问题与修复复盘.md)
 
 ## 推荐阅读顺序