fix: 修复质量检查发现的选择器与资源问题

修复浏览器通配符过滤和 ARIA 选择器转义，收敛表单窗口生命周期，释放邮件连接，清理日志复制定时器，并校准 Word COM 测试超时。

src/main/desktop-pick.ts

@@ -1,7 +1,7 @@
 import { execFile } from "node:child_process";
 import { promisify } from "node:util";
 import fs from "node:fs";
-import os from "node:os";
+
 import path from "node:path";
 import { app, BrowserWindow, screen } from "electron";
 import { RuntimeError } from "./engine/types";
@@ -31,7 +31,7 @@ export async function pickDesktopElement(): Promise<DesktopPickResult> {
   const appWindows = BrowserWindow.getAllWindows().filter(w => !w.isDestroyed() && w.isVisible());
   for (const w of appWindows) w.minimize();
   const { stdout } = await run("powershell.exe", ["-NoProfile", "-STA", "-ExecutionPolicy", "Bypass", "-File", pickerScriptPath()], { timeout: 180000, windowsHide: false, maxBuffer: 4 * 1024 * 1024 });
-  const jsonLine = stdout.trim().split(/\\r?\\n/).reverse().find(l => l.trim().startsWith("{"));
+  const jsonLine = stdout.trim().split(/\r?\n/).reverse().find(l => l.trim().startsWith("{"));
   if (!jsonLine) throw new RuntimeError("picker_failed", "拾取未返回结果");
   const parsed = JSON.parse(jsonLine) as Omit<DesktopPickResult, "selector">;
   if (parsed.cancelled) return { ...parsed, selector: "" };
@@ -45,7 +45,7 @@ export async function pickDesktopElement(): Promise<DesktopPickResult> {
 
 export async function listVisibleWindows(): Promise<Array<{ title: string; process: string }>> {
   const { stdout } = await run("powershell.exe", ["-NoProfile", "-ExecutionPolicy", "Bypass", "-File", pickerScriptPath(), "-Mode", "windows"], { timeout: 30000, windowsHide: true, maxBuffer: 4 * 1024 * 1024 });
-  const jsonLine = stdout.trim().split(/\\r?\\n/).reverse().find(l => l.trim().startsWith("["));
+  const jsonLine = stdout.trim().split(/\r?\n/).reverse().find(l => l.trim().startsWith("["));
   if (!jsonLine) return [];
   return JSON.parse(jsonLine) as Array<{ title: string; process: string }>;
 }
@@ -93,17 +93,17 @@ export async function pickScreenRegion(): Promise<{ x: number; y: number; width:
   win.destroy();
   if (!region) throw new RuntimeError("pick_cancelled", "未完成框选");
   await new Promise(r => setTimeout(r, 300));
-  const outDir = "D:/RPA/test-output";
+  const outDir = path.join(app.getPath("userData"), "region-picks");
   fs.mkdirSync(outDir, { recursive: true });
-  const imagePath = outDir + "/pick-region-" + Date.now() + ".png";
+  const imagePath = path.join(outDir, `pick-region-${Date.now()}.png`);
   const psScript = [
     "Add-Type -AssemblyName System.Drawing | Out-Null;",
-    " = New-Object System.Drawing.Bitmap " + region.width + ", " + region.height + ";",
-    " = [System.Drawing.Graphics]::FromImage();",
-    ".CopyFromScreen(" + region.x + ", " + region.y + ", 0, 0, .Size);",
-    ".Dispose();",
-    ".Save(" + JSON.stringify(imagePath) + ");",
-    ".Dispose();",
+    "$bitmap = New-Object System.Drawing.Bitmap " + region.width + ", " + region.height + ";",
+    "$graphics = [System.Drawing.Graphics]::FromImage();",
+    "$graphics.CopyFromScreen(" + region.x + ", " + region.y + ", 0, 0, $bitmap.Size);",
+    "$graphics.Dispose();",
+    "$bitmap.Save(" + JSON.stringify(imagePath) + ");",
+    "$bitmap.Dispose();",
     "Write-Output ok"
   ].join("");
   await run("powershell.exe", ["-NoProfile", "-NonInteractive", "-ExecutionPolicy", "Bypass", "-Command", psScript], { timeout: 30000, windowsHide: true });