Feat: Show admin status on player page

Co-authored-by: mathieumoran1 <[email protected]>

public/player.html

@@ -151,7 +151,8 @@
             </div>
           </div>
 
-          <div class="d-flex flex-column gap-2">
+          <!-- Admin-only debug/status (Source + Progress) -->
+          <div id="player-admin-status" class="d-none d-flex flex-column gap-2">
             <div class="d-flex flex-wrap gap-2 align-items-center">
               <span class="badge bg-secondary">Source</span>
               <span id="source-label" class="badge bg-light text-dark badge-src">—</span>