Preis-Eingabe auf europäisches Komma-Format normalisiert

- Neuer Artikel: Textfeld mit Placeholder 4,50 statt Dezimalpunkt
- Artikel bearbeiten: Preise mit Komma anzeigen und akzeptieren
- Backend: Komma vor float()-Konvertierung in Punkt umwandeln

Made-with: Cursor

app.py

@@ -221,7 +221,11 @@ def admin(instance_id):
 
         if action == "add_product":
             name = request.form.get('add_name', '').strip()
-            price = request.form.get('add_price', type=float)
+            price_str = request.form.get('add_price', '').replace(',', '.').strip()
+            try:
+                price = float(price_str) if price_str else None
+            except ValueError:
+                price = None
             icon = request.form.get('add_icon', '🛒').strip() or '🛒'
             color = request.form.get('add_color', 'btn-primary')
             if name and price is not None:
@@ -244,7 +248,11 @@ def admin(instance_id):
         for row in products_rows:
             pos = row['position']
             name = request.form.get(f'name_{pos}')
-            price = request.form.get(f'price_{pos}', type=float)
+            price_str = request.form.get(f'price_{pos}', '').replace(',', '.').strip()
+            try:
+                price = float(price_str) if price_str else None
+            except ValueError:
+                price = None
             icon = request.form.get(f'icon_{pos}')
             color = request.form.get(f'color_{pos}')
             if name is not None and price is not None:

templates/admin.html

@@ -45,8 +45,8 @@
                         <td class="align-middle">{{ pos }}</td>
                         <td><input type="text" class="form-control" name="name_{{ pos }}" value="{{ prod['name'] }}"
                                 required></td>
-                        <td><input type="number" step="0.01" class="form-control" name="price_{{ pos }}"
-                                value="{{ prod['price'] }}" required></td>
+                        <td><input type="text" inputmode="decimal" class="form-control" name="price_{{ pos }}"
+                                value="{{ '{:.2f}'.format(prod['price']).replace('.', ',') }}" required></td>
                         <td><input type="text" class="form-control" name="icon_{{ pos }}" value="{{ prod['icon'] }}"
                                 required></td>
                         <td>
@@ -100,8 +100,8 @@
                 </div>
                 <div class="form-group col-md-2">
                     <label for="add_price">Preis (€)</label>
-                    <input type="number" step="0.01" class="form-control" name="add_price" id="add_price" required
-                        placeholder="4.50">
+                    <input type="text" inputmode="decimal" class="form-control" name="add_price" id="add_price" required
+                        placeholder="4,50">
                 </div>
                 <div class="form-group col-md-1">
                     <label for="add_icon">Icon</label>