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/forward-msg-builder.ts

@@ -0,0 +1,122 @@
+import * as crypto from 'node:crypto';
+import { PacketMsg } from '@/snowcat-core/packet/message/message';
+
+interface ForwardMsgJson {
+  app: string;
+  config: ForwardMsgJsonConfig,
+  desc: string,
+  extra: ForwardMsgJsonExtra,
+  meta: ForwardMsgJsonMeta,
+  prompt: string,
+  ver: string,
+  view: string;
+}
+
+interface ForwardMsgJsonConfig {
+  autosize: number,
+  forward: number,
+  round: number,
+  type: string,
+  width: number;
+}
+
+interface ForwardMsgJsonExtra {
+  filename: string,
+  tsum: number,
+}
+
+interface ForwardMsgJsonMeta {
+  detail: ForwardMsgJsonMetaDetail;
+}
+
+interface ForwardMsgJsonMetaDetail {
+  news: {
+    text: string;
+  }[],
+  resid: string,
+  source: string,
+  summary: string,
+  uniseq: string;
+}
+
+interface ForwardAdaptMsg {
+  senderName?: string;
+  isGroupMsg?: boolean;
+  msg?: ForwardAdaptMsgElement[];
+}
+
+interface ForwardAdaptMsgElement {
+  preview?: string;
+}
+
+export class ForwardMsgBuilder {
+  private static build (resId: string, msg: ForwardAdaptMsg[], source?: string, news?: ForwardMsgJsonMetaDetail['news'], summary?: string, prompt?: string, uuid?: string): ForwardMsgJson {
+    const id = uuid ?? crypto.randomUUID();
+    const isGroupMsg = msg.some(m => m.isGroupMsg);
+    if (!source) {
+      source = msg.length === 0 ? '聊天记录' : (isGroupMsg ? '群聊的聊天记录' : msg.map(m => m.senderName).filter((v, i, a) => a.indexOf(v) === i).slice(0, 4).join('和') + '的聊天记录');
+    }
+    if (!news) {
+      news = msg.length === 0
+        ? [{
+          text: 'Nya~ This message is send from NapCat.Packet!',
+        }]
+        : msg.map(m => ({
+          text: `${m.senderName}: ${m.msg?.map(msg => msg.preview).join('')}`,
+        }));
+    }
+    if (!summary) {
+      summary = `查看${msg.length}条转发消息`;
+    }
+    if (!prompt) {
+      prompt = '[聊天记录]';
+    }
+    return {
+      app: 'com.tencent.multimsg',
+      config: {
+        autosize: 1,
+        forward: 1,
+        round: 1,
+        type: 'normal',
+        width: 300,
+      },
+      desc: prompt,
+      extra: {
+        filename: id,
+        tsum: msg.length,
+      },
+      meta: {
+        detail: {
+          news,
+          resid: resId,
+          source,
+          summary,
+          uniseq: id,
+        },
+      },
+      prompt,
+      ver: '0.0.0.5',
+      view: 'contact',
+    };
+  }
+
+  static fromResId (resId: string): ForwardMsgJson {
+    return this.build(resId, []);
+  }
+
+  static fromPacketMsg (resId: string, packetMsg: PacketMsg[], source?: string, news?: ForwardMsgJsonMetaDetail['news'], summary?: string, prompt?: string, uuid?: string): ForwardMsgJson {
+    return this.build(resId, packetMsg.map(msg => ({
+      senderName: msg.senderName,
+      isGroupMsg: msg.groupId !== undefined,
+      msg: msg.msg.map(m => ({
+        preview: m.valid ? m.toPreview() : '[该消息类型暂不支持查看]',
+      })),
+    })),
+    source,
+    news,
+    summary,
+    prompt,
+    uuid
+    );
+  }
+}