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/spec/services/recordings/delete_spec.rb

@@ -0,0 +1,38 @@
+require "rails_helper"
+
+RSpec.describe Recordings::Delete do
+  let!(:club) { Club.create!(name: "Club", sport: "volleyball", primary_color: "#e53935", secondary_color: "#ffffff") }
+  let!(:team) { club.teams.create!(name: "Team", sport: "volleyball") }
+  let!(:user) { User.create!(email: "coach@test.com", name: "Coach", password: "password123", role: "coach") }
+  let!(:match) { team.matches.create!(opponent_name: "Rival", scheduled_at: 1.day.from_now) }
+  let!(:session) do
+    StreamSession.create!(match: match, user: user, platform: "youtube", status: "ended")
+  end
+  let!(:recording) do
+    Recording.create!(
+      stream_session: session,
+      team: team,
+      status: "ready",
+      privacy_status: "public",
+      expires_at: 10.days.from_now,
+      storage_key: "teams/#{team.id}/sessions/#{session.id}/replay.mp4",
+      youtube_video_id: "abc123xyz"
+    )
+  end
+
+  it "elimina storage e revoca youtube_video_id" do
+    storage = instance_double(Recordings::Storage, delete: true)
+    allow(Recordings::Storage).to receive(:new).and_return(storage)
+    yt = instance_double(Youtube::VideoLifecycleService, delete!: true)
+    allow(Youtube::VideoLifecycleService).to receive(:new).with(recording).and_return(yt)
+
+    described_class.new(recording).call
+
+    expect(yt).to have_received(:delete!)
+    expect(storage).to have_received(:delete).at_least(:once)
+    recording.reload
+    expect(recording.deleted_at).to be_present
+    expect(recording.youtube_video_id).to be_nil
+    expect(recording.storage_key).to be_nil
+  end
+end