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/file/GetRecord.ts

@@ -0,0 +1,55 @@
+import { GetFileBase, GetFilePayload, GetFileResponse } from './GetFile';
+import { ActionName } from '@/snowcat-onebot/action/router';
+import { promises as fs } from 'fs';
+import { FFmpegService } from '@/snowcat-core/helper/ffmpeg/ffmpeg';
+import { Static, Type } from '@sinclair/typebox';
+
+import { FileActionsExamples } from '../example/FileActionsExamples';
+
+const out_format_list = ['mp3', 'amr', 'wma', 'm4a', 'spx', 'ogg', 'wav', 'flac'];
+
+const PayloadSchema = Type.Object({
+  file: Type.Optional(Type.String({ description: '文件路径、URL或Base64' })),
+  file_id: Type.Optional(Type.String({ description: '文件ID' })),
+  out_format: Type.String({ description: '输出格式' }),
+});
+
+type PayloadType = Static<typeof PayloadSchema>;
+
+export default class GetRecord extends GetFileBase {
+  override actionName = ActionName.GetRecord;
+  override payloadSchema = PayloadSchema;
+  override actionSummary = '获取语音';
+  override actionDescription = '获取指定语音文件的信息，并支持格式转换';
+  override actionTags = ['文件接口'];
+  override payloadExample = FileActionsExamples.GetRecord.payload;
+  override returnExample = FileActionsExamples.GetRecord.response;
+
+  override async _handle (payload: PayloadType): Promise<GetFileResponse> {
+    const res = await super._handle(payload as GetFilePayload);
+    if (payload.out_format && typeof payload.out_format === 'string') {
+      const inputFile = res.file;
+      if (!inputFile) throw new Error('file not found');
+      if (!out_format_list.includes(payload.out_format)) {
+        throw new Error('转换失败 out_format 字段可能格式不正确');
+      }
+      const outputFile = `${inputFile}.${payload.out_format}`;
+      try {
+        await fs.access(inputFile);
+        try {
+          await fs.access(outputFile);
+        } catch {
+          await FFmpegService.convertAudioFmt(inputFile, outputFile, payload.out_format);
+        }
+        const base64Data = await fs.readFile(outputFile, { encoding: 'base64' });
+        res.file = outputFile;
+        res.url = outputFile;
+        res.base64 = base64Data;
+      } catch (error) {
+        console.error('Error processing file:', error);
+        throw error; // 重新抛出错误以便调用者可以处理
+      }
+    }
+    return res;
+  }
+}