feat: 一些优化

electron/services/windowsHelloService.ts

@@ -0,0 +1,32 @@
+import { wcdbService } from './wcdbService'
+import { BrowserWindow } from 'electron'
+
+export class WindowsHelloService {
+    private verificationPromise: Promise<{ success: boolean; error?: string }> | null = null
+
+    /**
+     * 验证 Windows Hello
+     * @param message 提示信息
+     */
+    async verify(message: string = '请验证您的身份以解锁 WeFlow', targetWindow?: BrowserWindow): Promise<{ success: boolean; error?: string }> {
+        // Prevent concurrent verification requests
+        if (this.verificationPromise) {
+            return this.verificationPromise
+        }
+
+        // 获取窗口句柄: 优先使用传入的窗口，否则尝试获取焦点窗口，最后兜底主窗口
+        const window = targetWindow || BrowserWindow.getFocusedWindow() || BrowserWindow.getAllWindows()[0]
+        const hwndBuffer = window?.getNativeWindowHandle()
+        // Convert buffer to int string for transport
+        const hwndStr = hwndBuffer ? BigInt('0x' + hwndBuffer.toString('hex')).toString() : undefined
+
+        this.verificationPromise = wcdbService.verifyUser(message, hwndStr)
+            .finally(() => {
+                this.verificationPromise = null
+            })
+
+        return this.verificationPromise
+    }
+}
+
+export const windowsHelloService = new WindowsHelloService()