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-onebot/action/group/SetGroupCard.ts

@@ -0,0 +1,51 @@
+import { OneBotAction } from '@/snowcat-onebot/action/OneBotAction';
+import { ActionName } from '@/snowcat-onebot/action/router';
+import { Static, Type } from '@sinclair/typebox';
+import { sleep } from '@/snowcat-common/src/helper';
+
+import { GroupActionsExamples } from '../example/GroupActionsExamples';
+
+const PayloadSchema = Type.Object({
+  group_id: Type.String({ description: '群号' }),
+  user_id: Type.String({ description: '用户QQ' }),
+  card: Type.Optional(Type.String({ description: '群名片' })),
+});
+
+type PayloadType = Static<typeof PayloadSchema>;
+
+const ReturnSchema = Type.Null({ description: '操作结果' });
+
+type ReturnType = Static<typeof ReturnSchema>;
+
+export default class SetGroupCard extends OneBotAction<PayloadType, ReturnType> {
+  override actionName = ActionName.SetGroupCard;
+  override payloadSchema = PayloadSchema;
+  override returnSchema = ReturnSchema;
+  override actionSummary = '设置群名片';
+  override actionDescription = '设置群聊中指定成员的群名片';
+  override actionTags = ['群组接口'];
+  override payloadExample = GroupActionsExamples.SetGroupCard.payload;
+  override returnExample = GroupActionsExamples.SetGroupCard.response;
+
+  async _handle (payload: PayloadType): Promise<null> {
+    const groupId = payload.group_id.toString();
+    const userId = payload.user_id.toString();
+    const card = payload.card || '';
+
+    const member = await this.core.apis.GroupApi.getGroupMember(groupId, userId);
+    if (!member) {
+      throw new Error(`群(${groupId})成员${userId}不存在`);
+    }
+
+    await this.core.apis.GroupApi.setMemberCard(groupId, member.uid, card);
+
+    for (let i = 0; i < 3; i++) {
+      await sleep(1000);
+      const updatedMember = await this.core.apis.GroupApi.refreshGroupMemberCachePartial(groupId, member.uid);
+      if (updatedMember?.cardName === card) {
+        return null;
+      }
+    }
+    throw new Error('设置群名片未生效');
+  }
+}