SnowCat 雪猫底层全源码：NapCat 4.18.28 底座 + SnowLuma 能力移植 + V8 通道适配 9.9.37

26 包 monorepo（TS 全源码）：
- snowcat-core: NT 内核 API 封装 + listener（含 9.9.37 六回调适配）+ Packet 发包
- snowcat-onebot: OneBot v11 全动作 + MCP Streamable HTTP 适配器 + 稳定线
- snowcat-webui-frontend/backend: 雪猫控制台（React+HeroUI）
- snowcat-shell: 单文件 bundle 出口（vite inlineDynamicImports）
- snowcat-native: napi2native / MoeHoo / ffmpeg / pty 运行时
- 56 项 SnowLuma 独门动作移植（qzone 全家桶/群相册/装扮/闪照/收藏）
- 工具件: 解包器/启动器/便携制作器/doctor

GitHub 关联已全量指向 DandanLLab/SnowCatQQ

packages/snowcat-webui-frontend/src/components/qr_code_login.tsx

@@ -0,0 +1,102 @@
+import { Button } from '@heroui/button';
+import { Spinner } from '@heroui/spinner';
+import { QRCodeSVG } from 'qrcode.react';
+import { IoAlertCircle, IoRefresh } from 'react-icons/io5';
+
+interface QrCodeLoginProps {
+  qrcode: string;
+  loginError?: string;
+  onRefresh?: () => void;
+  isRefreshing?: boolean;
+  loginPhase?: string;
+  isRecoveringLoginService?: boolean;
+}
+
+const QrCodeLogin: React.FC<QrCodeLoginProps> = ({ qrcode, loginError, onRefresh, isRefreshing = false, loginPhase, isRecoveringLoginService = false }) => {
+  const transitionMessage = loginPhase === 'qrcode_scanned'
+    ? '二维码已扫描，等待手机确认…'
+    : loginPhase === 'initializing'
+      ? 'QQ 登录成功，正在启动 SnowCat…'
+      : loginPhase === 'reconnecting' || isRecoveringLoginService
+        ? '正在重新连接 QQ 登录服务…'
+        : undefined;
+  return (
+    <div className='flex flex-col items-center'>
+      {(isRefreshing || transitionMessage) && (
+        <div className='fixed inset-0 z-50 flex items-center justify-center bg-black/40 backdrop-blur-md'>
+          <div className='flex flex-col items-center gap-3 rounded-3xl bg-white/90 dark:bg-zinc-900/90 backdrop-blur-2xl border border-white/70 dark:border-white/10 px-10 py-8 shadow-2xl shadow-primary-900/20'>
+            <Spinner color='primary' size='lg' />
+            <div className='text-base font-semibold'>{transitionMessage || '正在刷新二维码…'}</div>
+            <div className='text-xs text-default-500'>
+              {transitionMessage ? '请不要关闭此页面，最长可能需要 3 分钟' : '正在等待新的二维码，最长 10 秒'}
+            </div>
+          </div>
+        </div>
+      )}
+      {loginError && !qrcode && !isRecoveringLoginService
+        ? (
+          <div className='flex flex-col items-center py-4'>
+            <div className='w-full flex justify-center mb-6'>
+              <div className='p-4 bg-danger-50 dark:bg-danger-900/20 rounded-2xl'>
+                <IoAlertCircle className='text-danger' size={56} />
+              </div>
+            </div>
+            <div className='text-center space-y-2 px-4'>
+              <div className='text-xl font-bold text-danger'>登录失败</div>
+              <div className='text-default-600 text-sm leading-relaxed max-w-[300px]'>
+                {loginError}
+              </div>
+            </div>
+            {onRefresh && (
+              <Button
+                className='mt-8 min-w-[160px]'
+                variant='solid'
+                color='primary'
+                size='lg'
+                startContent={<IoRefresh />}
+                onPress={onRefresh}
+                isLoading={isRefreshing}
+                isDisabled={isRefreshing}
+              >
+                重新获取二维码
+              </Button>
+            )}
+          </div>
+        )
+        : (
+          <>
+            {loginError && (
+              <div className='mb-4 w-full max-w-[360px] rounded-lg bg-warning-50 px-4 py-3 text-center text-sm text-warning-700 dark:bg-warning-50/20 dark:text-warning-300'>
+                {loginError}
+              </div>
+            )}
+            <div className='relative mx-auto w-fit rounded-2xl bg-white p-3 shadow-lg shadow-primary-900/10 ring-1 ring-black/5 overflow-hidden'>
+              {!qrcode && (
+                <div className='absolute inset-0 bg-white/90 dark:bg-zinc-900/90 backdrop-blur-sm flex items-center justify-center z-10'>
+                  <Spinner color='primary' />
+                </div>
+              )}
+              <QRCodeSVG key={qrcode} size={176} value={qrcode || ' '} />
+            </div>
+            <div className='mt-5 text-center text-default-500 text-xs'>请使用 QQ 或 TIM 扫描上方二维码</div>
+            {onRefresh && qrcode && (
+              <Button
+                className='mt-4'
+                variant='flat'
+                color='primary'
+                size='sm'
+                startContent={<IoRefresh />}
+                onPress={onRefresh}
+                isLoading={isRefreshing}
+                isDisabled={isRefreshing}
+              >
+                刷新二维码
+              </Button>
+            )}
+          </>
+        )}
+    </div>
+  );
+};
+
+export default QrCodeLogin;