优化启动速度

electron/main/backend/install-manager.ts

@@ -138,7 +138,7 @@ const parseUpgradableList = (output: string) => {
 // Listen for download requests from renderer process
 ipcMain.on("queue-install", async (event, download_json) => {
   const download = JSON.parse(download_json);
-  const { id, pkgname, metalinkUrl, filename } = download || {};
+  const { id, pkgname, metalinkUrl, filename, upgradeOnly } = download || {};
 
   if (!id || !pkgname) {
     logger.warn("passed arguments missing id or pkgname");
@@ -172,17 +172,28 @@ ipcMain.on("queue-install", async (event, download_json) => {
   const execParams = [];
   const downloadDir = `/tmp/spark-store/download/${pkgname}`;
 
-  if (superUserCmd.length > 0) {
+  // 升级操作：使用 spark-update-tool
+  if (upgradeOnly) {
+    execCommand = "pkexec";
+    execParams.push("spark-update-tool", pkgname);
+    logger.info(`升级模式: 使用 spark-update-tool 升级 ${pkgname}`);
+  } else if (superUserCmd.length > 0) {
     execCommand = superUserCmd;
     execParams.push(SHELL_CALLER_PATH);
+
+    if (metalinkUrl && filename) {
+      execParams.push("ssinstall", `${downloadDir}/${filename}`, "--delete-after-install");
+    } else {
+      execParams.push("aptss", "install", "-y", pkgname);
+    }
   } else {
     execCommand = SHELL_CALLER_PATH;
-  }
 
-  if (metalinkUrl && filename) {
-    execParams.push("ssinstall", `${downloadDir}/${filename}` , "--delete-after-install");
-  } else {
-    execParams.push("aptss", "install", "-y", pkgname);
+    if (metalinkUrl && filename) {
+      execParams.push("ssinstall", `${downloadDir}/${filename}`, "--delete-after-install");
+    } else {
+      execParams.push("aptss", "install", "-y", pkgname);
+    }
   }
 
   const task: InstallTask = {

electron/main/index.ts

@@ -140,6 +140,26 @@ ipcMain.on("set-theme-source", (event, theme: "system" | "light" | "dark") => {
   nativeTheme.themeSource = theme;
 });
 
+// 启动系统更新工具（使用 pkexec 提升权限）
+ipcMain.handle("run-update-tool", async () => {
+  try {
+    const { spawn } = await import("node:child_process");
+    const pkexecPath = "/usr/bin/pkexec";
+    const args = ["spark-update-tool"];
+    const child = spawn(pkexecPath, args, {
+      detached: true,
+      stdio: "ignore",
+    });
+    // 让子进程在后台运行且不影响主进程退出
+    child.unref();
+    logger.info("Launched pkexec spark-update-tool");
+    return { success: true };
+  } catch (err) {
+    logger.error({ err }, "Failed to launch spark-update-tool");
+    return { success: false, message: (err as Error)?.message || String(err) };
+  }
+});
+
 app.whenReady().then(() => {
   // Set User-Agent for client
   session.defaultSession.webRequest.onBeforeSendHeaders((details, callback) => {