v2.15.0

Added

• Kick VODs download again. yt-dlp's own Kick extractor asks an endpoint
  that answers 404 for every VOD created since Kick reworked its site, so a
  pasted VOD link failed with "Unable to download JSON metadata". Astra now
  asks the same playback endpoint Kick's player asks, hands yt-dlp the
  manifest it returns, and keeps the page link on the record and in history.
  The title and length come back from the same call, so the quality picker
  and the saved filename show the real name rather than "manifest.m3u8". A
  refused or deleted VOD fails with a plain reason instead of a 404, and the
  session token in the resolved link never appears in the visible command.

Fixed

• Browser impersonation now actually engages for the sites that need it.
  The site registry named a browser family while yt-dlp reports versioned
  targets such as Chrome-136, so the two never matched and the setting did
  nothing. Astra now resolves the family against whatever the installed build
  reports and picks the newest one, and still sends nothing when that family
  is missing, because an unknown target ends the download rather than warning.