feat(r4): POST /api/sketch + Upload 归属记录 + 派单状态后台同步与大小校验

src/wordcloud/wordcloud.controller.ts

@@ -24,7 +24,7 @@ export class WordCloudController {
   @Post('generate')
   @ApiOperation({ summary: '创建词云任务（底图 + 名单文本）' })
   @ApiConsumes('multipart/form-data')
-  @UseInterceptors(FileInterceptor('image'))
+  @UseInterceptors(FileInterceptor('image', { limits: { fileSize: 10 * 1024 * 1024 } }))
   async generate(
     @CurrentUser() user: JwtPayload,
     @UploadedFile() image: Express.Multer.File | undefined,