diff --git a/app/__init__.py b/app/__init__.py
index 6c9924c..cdd861a 100644
--- a/app/__init__.py
+++ b/app/__init__.py
@@ -21,15 +21,6 @@ def create_app():
                 template_folder='../templates',  # ← Root/templates statt app/templates
                 static_folder='../static')       # ← Root/static
 
-    from datetime import timedelta
-
-    def timedelta_filter(value):
-        if isinstance(value, timedelta):
-            return value.total_seconds()  # oder str(value)
-        return value
-
-    app.jinja_env.filters['timedelta'] = timedelta_filter
-
     # Config laden
     app.config.from_object('config.Config')
 
diff --git a/templates/base.html b/templates/base.html
index d1dd14b..1711ea0 100644
--- a/templates/base.html
+++ b/templates/base.html
@@ -87,18 +87,22 @@
           crossorigin="anonymous"></script>
 
 {% block scripts %}
-  {% if config %}
+  {% if config is defined and config is not none %}
     <script>
-      // Config + globale Sounds nur setzen, wenn vorhanden
-      window.mkConfig = {{ config | tojson | safe }};
+      // Config + globale Sounds nur setzen, wenn config wirklich existiert
+      window.mkConfig       = {{ config | tojson | safe }};
       window.mkGlobalSounds = {{ global_sounds | tojson | safe }};
 
       console.log("base.html → mkConfig gesetzt:", window.mkConfig);
       console.log("base.html → mkGlobalSounds:", window.mkGlobalSounds);
     </script>
+  {% else %}
+    <script>
+      console.log("base.html → Keine config auf dieser Seite – mkConfig nicht gesetzt");
+    </script>
   {% endif %}
 
-  <!-- Alle Module laden (immer) -->
+  <!-- Alle JS-Module laden (immer) -->
   <script src="{{ url_for('static', filename='js/config.js') }}"></script>
   <script src="{{ url_for('static', filename='js/ui-status.js') }}"></script>
   <script src="{{ url_for('static', filename='js/ui-connect.js') }}"></script>