Enables Xtream catch-up/timeshift from the Favorites and Recent surfaces (per-playlist and global), not just Live TV, and adds start-over replay of the currently-airing programme. Carries tv_archive/tv_archive_duration through the favorites and recently-viewed DB projections and maps them onto UnifiedCollectionItem; tv_archive_duration is interpreted as days, matching live-stream-layout.controlledArchiveDays.
Closes#1138.
Co-authored-by: Claude <noreply@anthropic.com>
Some Xtream panels sit behind Cloudflare/WAF rules that challenge generic
browser-looking User-Agents while allowlisting known IPTV player clients.
The previous hardcoded, truncated browser-style User-Agent in
xtream.events.ts (XTREAM_REQUEST and XTREAM_PROBE_URL) was being served a
Cloudflare challenge page (HTTP 403 HTML) instead of the real API response,
so "Test Connection" always failed with "Could not connect to the portal"
even though the same portal worked fine via curl (with a player-style UA)
and Safari. Switching to a shared VLC-style User-Agent constant across all
three request sites resolves it, verified against a live panel.
Co-authored-by: Sergio Herencias Redondo <sherencr@MacBook-Pro-de-diverzy.local>
Co-authored-by: Claude Sonnet 5 <noreply@anthropic.com>
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