fix: affichage des dates en français via filtre Jinja2 date_fr

app/templates/dashboard.html

@@ -4,7 +4,7 @@
 
 <div class="bg-white rounded-xl shadow p-4 mb-4">
   <h2 class="font-semibold text-gray-700 mb-2">
-    Aujourd'hui — {{ today.strftime('%A %d %B %Y') }}
+    Aujourd'hui — {{ today | date_fr }}
   </h2>
   {% if today_entry %}
     <p class="text-green-700 font-medium">{{ today_entry.day_type }} — {{ today_entry.total_hours_str() }}</p>

app/templates/entry_list.html

@@ -12,7 +12,7 @@
 {% for entry in entries %}
 <div class="bg-white rounded-xl shadow p-3 flex items-center justify-between">
   <div>
-    <p class="font-medium text-sm">{{ entry.date.strftime('%a %d %b %Y') }}</p>
+    <p class="font-medium text-sm">{{ entry.date | date_fr }}</p>
     <p class="text-xs text-gray-500">
       {{ entry.day_type }}
       {% if entry.time_slots %} — {{ entry.total_hours_str() }}{% endif %}