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/views/public/replay/index.html.erb

@@ -67,6 +67,9 @@
             <strong class="replay-card__title"><%= rec.title_or_default %></strong>
             <p class="replay-card__meta">
               <%= match.team.club.name %> · <%= l_local(rec.recorded_at_or_fallback) %>
+              <% if rec.source_platform_label != "—" %>
+                · <span class="badge badge-wait" style="font-size:0.65rem;vertical-align:middle"><%= rec.source_platform_label %></span>
+              <% end %>
             </p>
             <p class="replay-card__meta replay-card__meta--sub">
               <%= rec.views_label %>