feat: v0.10.2 - 可配置超时设置 + 默认值提升

- HTTP超时: 15s→30s(可配5s~300s), MCP超时: 30s→60s(可配10s~300s), 流式超时: 180s→300s(可配0~600s)
- 设置面板新增超时配置区域(HTTP/流式/MCP),留空使用默认值
- 主进程HTTP_TIMEOUT/MCP_TIMEOUT改为可配置变量,通过IPC setTimeouts通道接收
- 帮助面板/README/release-notes更新四引擎搜索和超时描述
- 版本号同步更新至v0.10.2(16处)

README.md

@@ -14,7 +14,7 @@
 </p>
 
 <p align="center">
-  <img src="https://img.shields.io/badge/version-v0.10.1-E8734A?style=flat-square" alt="version">
+  <img src="https://img.shields.io/badge/version-v0.10.2-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">
@@ -231,7 +231,7 @@ npm start
 ELECTRON_MIRROR=https://npmmirror.com/mirrors/electron/ npm run dist
 ```
 
-产出：`release/Metona Ollama Setup v0.10.1.exe`
+产出：`release/Metona Ollama Setup v0.10.2.exe`
 
 ## 🛠️ 常用命令
 
@@ -454,7 +454,7 @@ npm start
 ELECTRON_MIRROR=https://npmmirror.com/mirrors/electron/ npm run dist
 ```
 
-Output: `release/Metona Ollama Setup v0.10.1.exe`
+Output: `release/Metona Ollama Setup v0.10.2.exe`
 
 ## 🛠️ Common Commands