v0.12.10: 修复工作空间目录设置不生效 + 版本号更新

fix: 工作空间目录设置三处断链修复
  - ipc.ts: setDir 时持久化到 SQLite，启动时自动恢复
  - settings-modal.ts: 设置成功后通知 workspace-panel 刷新
  - workspace-panel.ts: 监听目录变更事件，立即重载文件列表

chore: 版本号 0.12.9 → 0.12.10

README.md

@@ -14,7 +14,7 @@
 </p>
 
 <p align="center">
-  <img src="https://img.shields.io/badge/version-v0.12.9-E8734A?style=flat-square" alt="version">
+  <img src="https://img.shields.io/badge/version-v0.12.10-E8734A?style=flat-square" alt="version">
   <img src="https://img.shields.io/badge/electron-33+-47848F?style=flat-square&logo=electron" alt="electron">
   <img src="https://img.shields.io/badge/typescript-5.7+-3178C6?style=flat-square&logo=typescript" alt="typescript">
   <img src="https://img.shields.io/badge/license-MIT-green?style=flat-square" alt="license">
@@ -256,7 +256,7 @@ npm start
 ELECTRON_MIRROR=https://npmmirror.com/mirrors/electron/ npm run dist
 ```
 
-产出：`release/Metona Ollama Setup v0.12.9.exe`
+产出：`release/Metona Ollama Setup v0.12.10.exe`
 
 ## 🛠️ 常用命令
 
@@ -507,7 +507,7 @@ npm start
 ELECTRON_MIRROR=https://npmmirror.com/mirrors/electron/ npm run dist
 ```
 
-Output: `release/Metona Ollama Setup v0.12.9.exe`
+Output: `release/Metona Ollama Setup v0.12.10.exe`
 
 ## 🛠️ Common Commands