Fixes#1179.
PR #1166 moved Rai 1, Rai 2, Rai 3, Rai Premium, Rai Storia and Rai
Scuola from the official mediapolis.rai.it relinker to a third-party
CloudFront mirror, because the relinker had become Italy-IP-gated and
was failing for everyone else (including the CI checker). That mirror
works for casual viewing, but as #1179 reports, it goes black during
broadcasts where RAI only holds domestic rights (e.g. EuroVolley) -
the official stream keeps working correctly for Italian-IP viewers
through exactly those broadcasts, because it's RAI's own domestic
feed, not a re-mirror of it.
Rather than trade one gap for the other, add the official mediapolis
URL back as a second, Ⓖ-marked entry for each of the six channels -
the same "CDN mirror as the general-access entry, official relinker
as the geo-gated alternative" split this file already uses for every
other Rai channel (Rai 4, Rai 5, Rai Movie, Rai Sport, etc., all still
on mediapolis.rai.it + Ⓖ). Viewers with an Italian IP get the more
correct source; everyone else keeps the mirror that already works for
them.
Also fixes a real gap in check_channels.py found while verifying this:
mediapolis.rai.it's relinker doesn't refuse an out-of-territory request
with an HTTP error - it answers 200 with a real MP4, but the file is
always the same "video_no_available.mp4" decoy regardless of which
channel was asked for. The checker had no way to tell that apart from
a working stream failing its playlist-header check, so every
mediapolis.rai.it entry (the pre-existing Rai 4/5/Movie/Sport ones
included) was scored `dead` instead of `blocked`, right down to the
newly-fixed pr_check.yml workflow that now hard-fails a PR over a
`dead`-scored touched channel. Added a check for this specific decoy
redirect target, classified as `blocked` like any other geo-refusal.
Regenerated playlist.m3u8 and playlists/playlist_italy.m3u8 via
make_playlist.py. pylint check_channels.py: 10.00/10.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Enus8N247jHM5r5Som5JuU
