Completa modulo Replay: S3, retention, sync YouTube e gestione società.

Streaming chunked da Garage, purge con delete YouTube, privacy sincronizzata,
archivio club migliorato, retention 30/90 separata da stato abbonamento.

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

backend/app/services/recordings/delete.rb

@@ -6,6 +6,7 @@ module Recordings
     end
 
     def call
+      delete_youtube_video
       delete_storage_object if @recording.storage_key.present?
       cleanup_local_artifacts
 
@@ -13,13 +14,23 @@ module Recordings
         status: "expired",
         deleted_at: Time.current,
         storage_key: nil,
-        thumbnail_storage_key: nil
+        thumbnail_storage_key: nil,
+        youtube_video_id: nil,
+        youtube_published_at: nil
       )
       @recording
     end
 
     private
 
+    def delete_youtube_video
+      return if @recording.youtube_video_id.blank?
+
+      Youtube::VideoLifecycleService.new(@recording).delete!
+    rescue Youtube::VideoLifecycleService::Error => e
+      Rails.logger.warn("[Recordings::Delete] YouTube delete #{@recording.id}: #{e.message}")
+    end
+
     def delete_storage_object
       storage = Recordings::Storage.new
       storage.delete(key: @recording.storage_key) if @recording.storage_key.present?