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-protocol/action/index.ts

@@ -0,0 +1,51 @@
+import { SnowCatCore } from 'snowcat-core';
+import { SnowCatProtocolResponse } from '@/snowcat-protocol/types';
+
+// 前向声明类型，避免循环依赖
+import type { SnowCatProtocolAdapter } from '@/snowcat-protocol/index';
+
+// Action 基类
+export abstract class BaseAction<PayloadType = unknown, ReturnType = unknown> {
+  abstract actionName: string;
+  protected core: SnowCatCore;
+  protected adapter: SnowCatProtocolAdapter;
+
+  constructor (adapter: SnowCatProtocolAdapter, core: SnowCatCore) {
+    this.adapter = adapter;
+    this.core = core;
+  }
+
+  protected abstract _handle (payload: PayloadType): Promise<ReturnType>;
+
+  async handle (payload: PayloadType): Promise<SnowCatProtocolResponse<ReturnType>> {
+    try {
+      const result = await this._handle(payload);
+      return {
+        status: 'ok',
+        retcode: 0,
+        data: result,
+      };
+    } catch (e) {
+      return {
+        status: 'failed',
+        retcode: -1,
+        data: null,
+        message: e instanceof Error ? e.message : String(e),
+      };
+    }
+  }
+}
+
+// Action 映射类型
+export type ActionMap = Map<string, BaseAction<unknown, unknown>>;
+
+// 创建 Action 映射
+
+export function createActionMap (_adapter: SnowCatProtocolAdapter, _core: SnowCatCore): ActionMap {
+  const actionMap = new Map<string, BaseAction<unknown, unknown>>();
+
+  // 这里可以注册各种 Action
+  // 例如: actionMap.set('send_msg', new SendMsgAction(adapter, core));
+
+  return actionMap;
+}