dropbna poprawka w stringu

app.py

@@ -2130,7 +2130,7 @@ def crop_receipt_user():
 @login_required
 @admin_required
 def admin_panel():
-    month_str = request.args.get("month")
+    month_str = request.args.get("m")
     if not month_str:
         month_str = datetime.now(timezone.utc).strftime("%Y-%m")
     show_all = (month_str == "all")

templates/admin/admin_panel.html

@@ -161,10 +161,16 @@
   </form>
 </div>
 
-
 <div class="card bg-dark text-white mb-5">
   <div class="card-body">
-    <h3 class="mt-4">📄 Listy zakupowe</h3>
+  <h3 class="mt-4">
+      📄 Listy zakupowe
+      {% if show_all %}
+          — wszystkie miesiące
+      {% else %}
+          — {{ month_str|replace('-', ' / ') }}
+      {% endif %}
+  </h3>
     <form method="post" action="{{ url_for('delete_selected_lists') }}">
       <div class="table-responsive">
         <table class="table table-dark table-striped align-middle sortable">