multiplat-research은(는) 무엇을 하나요?
Multi-platform channel/video batch research — enumerate a creator's latest N items on YouTube, Bilibili, or local files (including Douyin creator-center exports), fetch text with captions first and local ASR as fallback, then write ONE cross-video report instead of N isolated summaries. 多平台批量研究：枚举 YouTube / B站 / 本地文件（含抖音本人账号导出）的最近 N 条内容，字幕优先、ASR 兜底取文本，产出跨视频研究报告。Trigger phrases / 触发词：批量研究这个频道, 频道最近的视频, 批量总结YouTube, B站UP主批量分析, youtube频道调研, 竞品频道追踪, 抖音账号数据复盘, 多平台内容研究, channel research, batch summari