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 %>

backend/app/views/public/replay/show.html.erb

@@ -10,6 +10,9 @@
     <p class="replay-show__meta">
       <%= @match.team.club.name %> · <%= l_local(@recording.recorded_at_or_fallback) %>
       · <%= @recording.views_label %>
+      <% if @recording.source_platform_label != "—" %>
+        · <%= @recording.source_platform_label %>
+      <% end %>
     </p>
   </header>
 
@@ -46,6 +49,22 @@
         <% end %>
       </div>
     </div>
+  <% elsif @recording.ready? && @recording.youtube_watch_url.present? %>
+    <div class="replay-show__player card">
+      <div class="replay-video" style="position:relative;padding-bottom:56.25%;height:0;overflow:hidden;background:#000;border-radius:12px">
+        <iframe src="https://www.youtube.com/embed/<%= @recording.youtube_video_id %>"
+                title="<%= @recording.title_or_default %>"
+                style="position:absolute;top:0;left:0;width:100%;height:100%;border:0"
+                allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture"
+                allowfullscreen></iframe>
+      </div>
+    </div>
+    <div class="replay-show__details card">
+      <p class="replay-show__details-line">
+        Replay disponibile su YouTube (copia server non presente).
+        <%= link_to "Apri su YouTube", @recording.youtube_watch_url, target: "_blank", rel: "noopener" %>
+      </p>
+    </div>
   <% elsif @recording.ready? %>
     <div class="card replay-show__status">
       <p>Il file video non è più disponibile (archivio rimosso o in migrazione).</p>