feat: 升级进度弹窗 + 安装源自动检测与切换

- 升级过程改为流式日志推送（Tauri Event），前端展示进度条和实时日志
- 后端自动检测当前安装的是官方版(openclaw)还是汉化版(openclaw-zh)
- 服务管理页支持一键切换安装源，切换时先卸载旧包避免 bin 冲突
- 版本号比较改为逐段数值比较，支持 -zh.X 后缀的小版本检测
- 仪表盘、关于页同步显示当前安装源标识

src/lib/tauri-api.js

@@ -141,7 +141,7 @@ export const api = {
   readMcpConfig: () => invoke('read_mcp_config'),
   writeMcpConfig: (config) => invoke('write_mcp_config', { config }),
   reloadGateway: () => invoke('reload_gateway'),
-  upgradeOpenclaw: () => invoke('upgrade_openclaw'),
+  upgradeOpenclaw: (source = 'chinese') => invoke('upgrade_openclaw', { source }),
   installGateway: () => invoke('install_gateway'),
   uninstallGateway: () => invoke('uninstall_gateway'),
   testModel: (baseUrl, apiKey, modelId) => invoke('test_model', { baseUrl, apiKey, modelId }),