Salva telemetria client (OS, app, device, operatore) sulle sessioni per il debug admin.

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

backend/app/views/admin/dashboard/index.html.erb

@@ -107,6 +107,7 @@
           <tr>
             <th><%= t("admin.dashboard.sessions.table.match") %></th>
             <th><%= t("admin.dashboard.sessions.table.status") %></th>
+            <th><%= t("admin.dashboard.sessions.table.client") %></th>
             <th><%= t("admin.dashboard.sessions.table.ingest") %></th>
             <th><%= t("admin.dashboard.sessions.table.start") %></th>
             <th><%= t("admin.dashboard.sessions.table.link") %></th>
@@ -118,6 +119,7 @@
             <tr>
               <td><%= s.match.team.name %> vs <%= s.match.opponent_name %></td>
               <td><span class="badge badge--<%= s.status == 'live' ? 'live' : (s.status == 'paused' ? 'paused' : 'connecting') %>"><%= s.status %></span></td>
+              <td class="muted"><%= admin_session_client_summary(s) %></td>
               <td><%= render "admin/sessions/ingest_cell", session: s %></td>
               <td class="muted"><%= s.started_at&.strftime("%d/%m %H:%M") || t("admin.common.dash") %></td>
               <td>