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/GetGroupMemberInfo.ts

@@ -0,0 +1,68 @@
+import { OB11Construct } from '@/snowcat-onebot/helper/data';
+import { OneBotAction } from '@/snowcat-onebot/action/OneBotAction';
+import { ActionName } from '@/snowcat-onebot/action/router';
+import { Static, Type } from '@sinclair/typebox';
+import { OB11GroupMemberSchema } from '../schemas';
+
+import { GroupActionsExamples } from '../example/GroupActionsExamples';
+
+const PayloadSchema = Type.Object({
+  group_id: Type.String({ description: '群号' }),
+  user_id: Type.String({ description: 'QQ号' }),
+  no_cache: Type.Optional(Type.Union([Type.Boolean(), Type.String()], { description: '是否不使用缓存' })),
+});
+
+type PayloadType = Static<typeof PayloadSchema>;
+
+const ReturnSchema = OB11GroupMemberSchema;
+
+type ReturnType = Static<typeof ReturnSchema>;
+
+class GetGroupMemberInfo extends OneBotAction<PayloadType, ReturnType> {
+  override actionName = ActionName.GetGroupMemberInfo;
+  override payloadSchema = PayloadSchema;
+  override returnSchema = ReturnSchema;
+  override actionSummary = '获取群成员信息';
+  override actionDescription = '获取群聊中指定成员的信息';
+  override actionTags = ['群组接口'];
+  override payloadExample = GroupActionsExamples.GetGroupMemberInfo.payload;
+  override returnExample = GroupActionsExamples.GetGroupMemberInfo.response;
+
+  private parseBoolean (value: boolean | string): boolean {
+    return typeof value === 'string' ? value === 'true' : value;
+  }
+
+  private async getUid (userId: string | number): Promise<string> {
+    const uid = await this.core.apis.UserApi.getUidByUinV2(userId.toString());
+    if (!uid) throw new Error(`Uin2Uid Error: 用户ID ${userId} 不存在`);
+    return uid;
+  }
+
+  private async getGroupMemberInfo (payload: PayloadType, uid: string, isNocache: boolean) {
+    const groupMemberCache = this.core.apis.GroupApi.groupMemberCache.get(payload.group_id.toString());
+    const groupMember = groupMemberCache?.get(uid);
+
+    const [member, info] = await Promise.all([
+      this.core.apis.GroupApi.getGroupMemberEx(payload.group_id.toString(), uid, isNocache),
+      this.core.apis.UserApi.getUserDetailInfo(uid, isNocache),
+    ]);
+
+    if (!member || !groupMember) throw new Error(`群(${payload.group_id})成员${payload.user_id}不存在`);
+
+    return info ? { ...groupMember, ...member, ...info } : member;
+  }
+
+  async _handle (payload: PayloadType) {
+    const isNocache = this.parseBoolean(payload.no_cache ?? true);
+    const uid = await this.getUid(payload.user_id);
+    const member = await this.getGroupMemberInfo(payload, uid, isNocache);
+
+    if (!member) {
+      this.core.context.logger.logDebug('获取群成员详细信息失败, 只能返回基础信息');
+    }
+
+    return OB11Construct.groupMember(payload.group_id.toString(), member);
+  }
+}
+
+export default GetGroupMemberInfo;