kabuuu999/youtube-email-scraper ? reverse-engineered prompt

Build me a simple app that helps me collect email addresses from public YouTube profiles. I want to paste in one or more profile links, start the scan, and watch the progress as it works. It should pull out any emails it finds, remove duplicates, and let me save the results as CSV, TXT, or Excel.

Please keep the interface easy to use, with a clean screen for entering links, choosing where to save the file, and showing when the job is done. If there are no emails found, just show a clear message instead of failing. I’d also like it to work on Windows, macOS, and Linux, and to feel like a straightforward desktop tool rather than something technical. If you need to check current docs or best practices online, go ahead.