feat: display team weather average bar in session header

src/app/weather/[id]/page.tsx

@@ -4,7 +4,7 @@ import { auth } from '@/lib/auth';
 import { getWorkshop, getSessionsTabUrl } from '@/lib/workshops';
 import { getWeatherSessionById } from '@/services/weather';
 import { getUserTeams } from '@/services/teams';
-import { WeatherBoard, WeatherLiveWrapper, WeatherInfoPanel } from '@/components/weather';
+import { WeatherBoard, WeatherLiveWrapper, WeatherInfoPanel, WeatherAverageBar } from '@/components/weather';
 import { Badge } from '@/components/ui';
 import { EditableWeatherTitle } from '@/components/ui/EditableWeatherTitle';
 
@@ -65,6 +65,9 @@ export default async function WeatherSessionPage({ params }: WeatherSessionPageP
             </span>
           </div>
         </div>
+
+        {/* team average — auto-refreshes via router.refresh() from useLive */}
+        <WeatherAverageBar entries={session.entries} />
       </div>
 
       {/* Info sur les catégories */}