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/go-cqhttp/GetGroupMsgHistory.ts

@@ -0,0 +1,59 @@
+import type { MessageFormat } from '@/snowcat-onebot/config/config';
+import { OneBotAction } from '@/snowcat-onebot/action/OneBotAction';
+import { OB11Message } from '@/snowcat-onebot/index';
+import { ActionName } from '@/snowcat-onebot/action/router';
+import { ChatType, Peer } from 'snowcat-core/types';
+import { MessageUnique } from 'snowcat-common/src/message-unique';
+import { Static, Type } from '@sinclair/typebox';
+import { NetworkAdapterConfig } from '@/snowcat-onebot/config/config';
+import { GoCQHTTPActionsExamples } from '../example/GoCQHTTPActionsExamples';
+
+const PayloadSchema = Type.Object({
+  group_id: Type.String({ description: '群号' }),
+  message_seq: Type.Optional(Type.String({ description: '起始消息序号' })),
+  count: Type.Number({ default: 20, description: '获取消息数量' }),
+  reverse_order: Type.Boolean({ default: false, description: '是否反向排序' }),
+  disable_get_url: Type.Boolean({ default: false, description: '是否禁用获取URL' }),
+  parse_mult_msg: Type.Boolean({ default: true, description: '是否解析合并消息' }),
+  quick_reply: Type.Boolean({ default: false, description: '是否快速回复' }),
+  reverseOrder: Type.Boolean({ default: false, description: '是否反向排序(旧版本兼容)' }),
+});
+
+type PayloadType = Static<typeof PayloadSchema>;
+
+const ReturnSchema = Type.Object({
+  messages: Type.Array(Type.Any(), { description: '消息列表' }),
+}, { description: '群历史消息' });
+
+type ReturnType = Static<typeof ReturnSchema>;
+
+export default class GoCQHTTPGetGroupMsgHistory extends OneBotAction<PayloadType, ReturnType> {
+  override actionName = ActionName.GoCQHTTP_GetGroupMsgHistory;
+  override payloadSchema = PayloadSchema;
+  override returnSchema = ReturnSchema;
+  override actionSummary = '获取群历史消息';
+  override actionDescription = '获取指定群聊的历史聊天记录';
+  override actionTags = ['Go-CQHTTP'];
+  override payloadExample = GoCQHTTPActionsExamples.GetGroupMsgHistory.payload;
+  override returnExample = GoCQHTTPActionsExamples.GetGroupMsgHistory.response;
+
+  async _handle (payload: PayloadType, _adapter: string, config: NetworkAdapterConfig): Promise<ReturnType> {
+    const peer: Peer = { chatType: ChatType.KCHATTYPEGROUP, peerUid: payload.group_id.toString() };
+    const hasMessageSeq = !payload.message_seq ? !!payload.message_seq : !(payload.message_seq?.toString() === '' || payload.message_seq?.toString() === '0');
+    // 拉取消息
+    const startMsgId = hasMessageSeq ? (MessageUnique.getMsgIdAndPeerByShortId(+payload.message_seq!)?.MsgId ?? payload.message_seq!.toString()) : '0';
+    const msgList = hasMessageSeq
+      ? (await this.core.apis.MsgApi.getMsgHistory(peer, startMsgId, +payload.count, payload.reverse_order || payload.reverseOrder)).msgList
+      : (await this.core.apis.MsgApi.getAioFirstViewLatestMsgs(peer, +payload.count)).msgList;
+    if (msgList.length === 0) throw new Error(`消息${payload.message_seq}不存在`);
+    // 转换序号
+    await Promise.all(msgList.map(async msg => {
+      msg.id = MessageUnique.createUniqueMsgId({ guildId: '', chatType: msg.chatType, peerUid: msg.peerUid }, msg.msgId);
+    }));
+    // 烘焙消息
+    const ob11MsgList = (await Promise.all(
+      msgList.map(msg => this.obContext.apis.MsgApi.parseMessage(msg, config['messagePostFormat'] as MessageFormat | undefined ?? 'array', payload.parse_mult_msg, payload.disable_get_url, payload.quick_reply)))
+    ).filter((msg): msg is OB11Message => msg !== undefined);
+    return { messages: ob11MsgList };
+  }
+}