Answers the bot challenge from inside the app. Settings gains a browser
picker listing only the browsers actually installed; choosing one passes
--cookies-from-browser to every yt-dlp call, so YouTube sees an
authenticated session. Verified against a live block: refused without
cookies, resolved with them.
Arc is Chromium underneath but is not one of yt-dlp's known names, so it
is addressed by its profile directory instead.
yt-dlp's errors are translated into something actionable. The stock bot
message points at command-line flags a user cannot type; it now names
the setting that fixes it, and Safari's protected cookie store gets its
own message about Full Disk Access rather than a bare 'Operation not
permitted'.
A Check connection button reports whether YouTube is reachable, testing
against the newest video in the feed — the hardcoded id it used at first
had been taken down, so it reported a dead video rather than the
connection.
vincent
22c7a3a5ec