How I Built a CLI Skill to Batch-Process YouTube Shorts

Last month, I had to process 16 YouTube Shorts. Trim intros. Normalize audio. Add watermarks. Export multiple formats. Generate thumbnails. Doing that manually in Premiere would have taken me most of an afternoon. So I built a CLI skill instead. It took about 2 hours to put together. On my machine, the batch itself finished in under 3 minutes once everything was set up. This is the kind of repeatable workflow I think of as a Terminal Skill: small, documented, reusable automation that turns a mes