Send YouTube transcripts to Slack using AssemblyAI

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🧠 How it works This workflow lets users extract full YouTube video transcripts directly from Slack using n8n and AssemblyAI. When a user submits a YouTube link via a Slack slash command, the workflow validates the video duration and converts the video into an audio file. The audio is then sent to AssemblyAI for transcription. Once the transcription is complete, the workflow cleans and formats the transcript for readability and posts the full text back to Slack asynchronously. ⚙️ Features • T