feat: Konten umbenennbar, Betrag-Spalte mit Euro im Kopf

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

finance/app/templates/transactions.html

@@ -43,17 +43,17 @@
   <thead>
     <tr>
       <th>Datum</th><th>Konto</th><th>Verwendungszweck</th><th>Empfänger/Zahler</th>
-      <th>Betrag</th><th>Kategorie</th><th></th>
+      <th>Betrag (€)</th><th>Kategorie</th><th></th>
     </tr>
   </thead>
   <tbody>
     {% for tx in transactions %}
     <tr>
       <td>{{ tx.booking_date.strftime('%d.%m.%Y') }}</td>
-      <td>{{ account_names.get(tx.account_id, tx.account_id) }}</td>
+      <td class="account">{{ account_names.get(tx.account_id, tx.account_id) }}</td>
       <td>{{ tx.purpose }}</td>
       <td>{{ tx.counterparty }}</td>
-      <td class="{{ 'neg' if tx.amount < 0 else '' }}">{{ '%.2f'|format(tx.amount) }} €</td>
+      <td class="amount {{ 'neg' if tx.amount < 0 else '' }}">{{ '%.2f'|format(tx.amount) }}</td>
       <td>
         <select name="category_id" data-type="int" hx-ext="json-form"
                 hx-patch="/api/transactions/{{ tx.id }}" hx-trigger="change" hx-swap="none">
@@ -113,36 +113,4 @@
     <button type="submit">Buchung speichern</button>
   </form>
 </fieldset>
-
-<script>
-  // Minimale JSON-Kodierung für htmx-Formulare/Selects, die gegen die JSON-APIs
-  // (POST/PATCH /api/...) senden. Felder mit data-type="int" werden als Zahl
-  // kodiert, leere Werte als null, alles andere bleibt String.
-  htmx.defineExtension('json-form', {
-    onEvent: function (name, evt) {
-      if (name === 'htmx:configRequest') {
-        evt.detail.headers['Content-Type'] = 'application/json';
-      }
-    },
-    encodeParameters: function (xhr, parameters, elt) {
-      var out = {};
-      for (var k in parameters) {
-        var v = parameters[k];
-        var field = elt.matches && elt.matches('[name="' + k + '"]')
-          ? elt
-          : elt.querySelector('[name="' + k + '"]');
-        var kind = field && field.dataset ? field.dataset.type : null;
-        if (v === '') {
-          out[k] = null;
-        } else if (kind === 'int') {
-          out[k] = parseInt(v, 10);
-        } else {
-          out[k] = v;
-        }
-      }
-      xhr.overrideMimeType('text/json');
-      return JSON.stringify(out);
-    }
-  });
-</script>
 {% endblock %}