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-core/helper/adaptDecoder.ts

@@ -0,0 +1,61 @@
+// TODO: further refactor in NapCat.Packet v2
+import { NapProtoMsg, ProtoField, ScalarType } from 'snowcat-protobuf';
+
+const LikeDetail = {
+  txt: ProtoField(1, ScalarType.STRING),
+  uin: ProtoField(3, ScalarType.INT64),
+  nickname: ProtoField(5, ScalarType.STRING),
+};
+
+const LikeMsg = {
+  times: ProtoField(1, ScalarType.INT32),
+  time: ProtoField(2, ScalarType.INT32),
+  detail: ProtoField(3, () => LikeDetail),
+};
+
+const ProfileLikeSubTip = {
+  msg: ProtoField(14, () => LikeMsg),
+};
+
+const ProfileLikeTip = {
+  msgType: ProtoField(1, ScalarType.INT32),
+  subType: ProtoField(2, ScalarType.INT32),
+  content: ProtoField(203, () => ProfileLikeSubTip),
+};
+
+const SysMessageHeader = {
+  PeerNumber: ProtoField(1, ScalarType.UINT32),
+  PeerString: ProtoField(2, ScalarType.STRING),
+  Uin: ProtoField(5, ScalarType.UINT32),
+  Uid: ProtoField(6, ScalarType.STRING, true),
+};
+
+const SysMessageMsgSpec = {
+  msgType: ProtoField(1, ScalarType.UINT32),
+  subType: ProtoField(2, ScalarType.UINT32),
+  subSubType: ProtoField(3, ScalarType.UINT32),
+  msgSeq: ProtoField(5, ScalarType.UINT32),
+  time: ProtoField(6, ScalarType.UINT32),
+  msgId: ProtoField(12, ScalarType.UINT64),
+  other: ProtoField(13, ScalarType.UINT32),
+};
+
+const SysMessageBodyWrapper = {
+  wrappedBody: ProtoField(2, ScalarType.BYTES),
+};
+
+const SysMessage = {
+  header: ProtoField(1, () => SysMessageHeader, false, true),
+  msgSpec: ProtoField(2, () => SysMessageMsgSpec, false, true),
+  bodyWrapper: ProtoField(3, () => SysMessageBodyWrapper),
+};
+
+export function decodeProfileLikeTip (buffer: Uint8Array) {
+  const msg = new NapProtoMsg(ProfileLikeTip);
+  return msg.decode(buffer);
+}
+
+export function decodeSysMessage (buffer: Uint8Array) {
+  const msg = new NapProtoMsg(SysMessage);
+  return msg.decode(buffer);
+}