Unifica admin società/squadre e YouTube Full con fallback MLTV.

Premium Full senza canale società usa il canale piattaforma come Light;
in app restano solo Match Live TV e YouTube Live.

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/app/views/admin/teams/show.html.erb

@@ -1,14 +1,32 @@
+<% if @team.club %>
+  <p style="margin-bottom:16px"><%= link_to "← #{@team.club.name}", admin_club_path(@team.club) %></p>
+<% end %>
+
 <h2><%= @team.name %></h2>
 <p>Sport: <%= @team.sport %></p>
 <% if @team.club %>
   <p>Società: <%= @team.club.name %> · <%= link_to "Pagamenti e fatture", admin_billing_path(club_id: @team.club.id) %></p>
 <% end %>
 <% yt = Youtube::TeamStatus.new(@team) %>
-<p>YouTube: <%= yt.channel_title || "—" %> · <%= yt.selectable? ? "pronto" : "non pronto" %></p>
-<% if @team.entitlements.plan.youtube_mode == "team" && @team.youtube_credential.blank? %>
-  <p><%= link_to "Collega (da account titolare sul sito)", public_team_details_path(@team) %></p>
+<p>
+  YouTube:
+  <% if yt.selectable? %>
+    <strong><%= yt.channel_title || "—" %></strong>
+    <% if yt.uses_platform_channel? %>
+      (canale piattaforma<%= @team.entitlements.premium_full? && @team.youtube_credential.blank? ? ", default senza OAuth società" : "" %>)
+    <% else %>
+      (canale società)
+    <% end %>
+  <% else %>
+    non pronto
+  <% end %>
+</p>
+<% if @team.entitlements.premium_full? && @team.youtube_credential.blank? %>
+  <p class="muted">
+    Senza canale collegato, l’app usa il canale Match Live TV.
+    <%= link_to "Collega canale (sito pubblico)", public_team_details_path(@team) %>.
+  </p>
 <% end %>
-<p><%= link_to "Token canale Match Live TV (Light)", admin_youtube_platform_path %></p>
 
 <h3>Partite</h3>
 <ul>