App: scelta canale YouTube MLTV/società, privacy e condivisione link.

Premium Full può forzare il canale piattaforma; visibilità non in elenco o privato;
share_url unificato per Match Live TV e YouTube.

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

backend/app/services/youtube/credential_resolver.rb

@@ -1,25 +1,61 @@
 module Youtube
   class CredentialResolver
-    def self.for_team(team)
-      new(team).resolve
+    VALID_CHANNELS = %w[platform team].freeze
+
+    def self.for_team(team, channel: nil)
+      new(team, channel: channel).resolve
     end
 
-    def initialize(team)
+    def initialize(team, channel: nil)
       @team = team
-      @status = TeamStatus.new(team)
-      @mode = team.entitlements.plan.youtube_mode
+      @channel = channel.to_s.presence
+      @channel = nil unless VALID_CHANNELS.include?(@channel)
+      @ent = team.entitlements
+      @mode = @ent.plan.youtube_mode
     end
 
     def resolve
-      if @status.uses_platform_channel?
-        PlatformCredential.new
-      elsif @mode == "team"
+      case effective_channel
+      when :platform
+        PlatformCredential.configured? ? PlatformCredential.new : nil
+      when :team
         @team.youtube_credential
       end
     end
 
     def uses_platform_channel?
-      @status.uses_platform_channel?
+      effective_channel == :platform
+    end
+
+    def platform_available?
+      @ent.youtube_enabled? && PlatformCredential.configured?
+    end
+
+    def team_channel_available?
+      @ent.youtube_enabled? && @ent.premium_full? && @mode == "team" && @team.youtube_credential.present?
+    end
+
+    def effective_channel
+      if @channel == "platform"
+        return :platform if platform_available?
+      elsif @channel == "team"
+        return :team if team_channel_available?
+      end
+
+      auto_channel
+    end
+
+    private
+
+    def auto_channel
+      if @mode == "matchlivetv_light"
+        return :platform if platform_available?
+      elsif @mode == "team"
+        return :team if team_channel_available?
+        return :platform if platform_available?
+      end
+
+      nil
     end
   end
 end