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/extends/SendPacket.ts

@@ -0,0 +1,38 @@
+import { PacketBuf } from 'snowcat-core/packet/transformer/base';
+import { GetPacketStatusDepends } from '@/snowcat-onebot/action/packet/GetPacketStatus';
+import { ActionName } from '@/snowcat-onebot/action/router';
+import { Static, Type } from '@sinclair/typebox';
+
+const PayloadSchema = Type.Object({
+  cmd: Type.String({ description: '命令字' }),
+  data: Type.String({ description: '十六进制数据' }),
+  rsp: Type.Union([Type.String(), Type.Boolean()], { default: true, description: '是否等待响应' }),
+});
+
+type PayloadType = Static<typeof PayloadSchema>;
+
+const ReturnSchema = Type.Union([Type.String({ description: '响应十六进制数据' }), Type.Undefined()], { description: '发包结果' });
+
+type ReturnType = Static<typeof ReturnSchema>;
+
+export class SendPacket extends GetPacketStatusDepends<PayloadType, ReturnType> {
+  override payloadSchema = PayloadSchema;
+  override returnSchema = ReturnSchema;
+  override actionName = ActionName.SendPacket;
+  override actionSummary = '发送原始数据包';
+  override actionTags = ['系统扩展'];
+  override payloadExample = {
+    cmd: 'Example.Cmd',
+    data: '123456',
+    rsp: true,
+  };
+
+  override returnExample = '123456';
+
+  async _handle (payload: PayloadType) {
+    const rsp = typeof payload.rsp === 'boolean' ? payload.rsp : payload.rsp === 'true';
+    const packetData = Buffer.from(payload.data, 'hex') as unknown as PacketBuf;
+    const data = await this.core.apis.PacketApi.pkt.operation.sendPacket({ cmd: payload.cmd, data: packetData }, rsp);
+    return typeof data === 'object' ? data.toString('hex') : undefined;
+  }
+}