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)

src/main/preload.ts

@@ -19,7 +19,8 @@ contextBridge.exposeInMainWorld('metonaDesktop', {
   tool: {
     execute: (toolName: string, args: Record<string, unknown>) => ipcRenderer.invoke('tool:execute', toolName, args),
     getConfig: () => ipcRenderer.invoke('tool:getConfig'),
-    setAllowedDirs: (dirs: string[]) => ipcRenderer.invoke('tool:setAllowedDirs', dirs)
+    setAllowedDirs: (dirs: string[]) => ipcRenderer.invoke('tool:setAllowedDirs', dirs),
+    setTimeouts: (timeouts: { http?: number; mcp?: number }) => ipcRenderer.invoke('tool:setTimeouts', timeouts)
   },
   notify: (title: string, body: string) => ipcRenderer.invoke('notify', title, body),
   window: {