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/GetGroupInfo.ts

@@ -0,0 +1,50 @@
+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 { OB11GroupSchema } from '../schemas';
+
+import { GroupActionsExamples } from '../example/GroupActionsExamples';
+
+const PayloadSchema = Type.Object({
+  group_id: Type.String({ description: '群号' }),
+});
+
+type PayloadType = Static<typeof PayloadSchema>;
+
+const ReturnSchema = OB11GroupSchema;
+
+type ReturnType = Static<typeof ReturnSchema>;
+
+class GetGroupInfo extends OneBotAction<PayloadType, ReturnType> {
+  override actionName = ActionName.GetGroupInfo;
+  override payloadSchema = PayloadSchema;
+  override returnSchema = ReturnSchema;
+  override actionSummary = '获取群信息';
+  override actionDescription = '获取群聊的基本信息';
+  override actionTags = ['群组接口'];
+  override payloadExample = GroupActionsExamples.GetGroupInfo.payload;
+  override returnExample = GroupActionsExamples.GetGroupInfo.response;
+
+  async _handle (payload: PayloadType) {
+    const group = (await this.core.apis.GroupApi.getGroups()).find(e => e.groupCode === payload.group_id.toString());
+    if (!group) {
+      const data = await this.core.apis.GroupApi.fetchGroupDetail(payload.group_id.toString());
+      if (data.ownerUid && data.ownerUin === '0') {
+        data.ownerUin = await this.core.apis.UserApi.getUinByUidV2(data.ownerUid);
+      }
+      return {
+        ...data,
+        group_all_shut: data.shutUpAllTimestamp > 0 ? -1 : 0,
+        group_remark: '',
+        group_id: +payload.group_id,
+        group_name: data.groupName,
+        member_count: data.memberNum,
+        max_member_count: data.maxMemberNum,
+      };
+    }
+    return OB11Construct.group(group);
+  }
+}
+
+export default GetGroupInfo;