feat(dashboard): Kosten-Kachel nennt den Monat beim Namen (z.B. Juli 26)

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

src/static/dashboard.html

@@ -1121,7 +1121,7 @@
   </div>
 
   <script src="/static/js/a11y.js?v=20260725a"></script>
-  <script src="/static/js/app.js?v=20260725o"></script>
+  <script src="/static/js/app.js?v=20260725p"></script>
   <script src="/static/js/sources.js?v=20260522x2"></script>
   <script src="/static/js/x-scraper.js?v=20260522a"></script>
   <script src="/static/js/source-health.js?v=20260509l"></script>

src/static/js/app.js

@@ -1264,6 +1264,8 @@ async function loadDashboardTokenStats() {
       (data.monat_betrieb || []).forEach(function(r) {
         if (r.monat === monat) monatLaeufe = r.completed || 0;
       });
+      const monatName = ['Januar','Februar','März','April','Mai','Juni','Juli','August','September','Oktober','November','Dezember'][jetzt.getMonth()]
+        + ' ' + String(jetzt.getFullYear()).slice(2);
       const fmtUsd = function(n) {
         return '$' + Number(n || 0).toLocaleString('de-DE', { minimumFractionDigits: 2, maximumFractionDigits: 2 });
       };
@@ -1276,7 +1278,7 @@ async function loadDashboardTokenStats() {
       card.setAttribute('role', 'link');
       card.setAttribute('tabindex', '0');
       card.title = 'Zur Statistik';
-      card.innerHTML = '<div class="stat-label">API-Kosten aktueller Monat</div>' +
+      card.innerHTML = '<div class="stat-label">API-Kosten ' + monatName + '</div>' +
         '<div class="stat-value">' + fmtUsd(monatKosten) + '</div>' +
         '<div class="stat-sub">' + monatLaeufe.toLocaleString('de-DE') + ' Läufe · gesamt ' + fmtUsd(data.kpi.kosten_usd) + '</div>';
       const springe = () => gotoSection('statistik');