fix(export): Cache-Buster fuer app.js/api.js erhoehen

Die Branding-Auswahl im Export blieb wirkungslos, weil der
Browser die alten gecachten app.js/api.js weiterverwendete.
Versions-Query der beiden Skripte angehoben.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

src/static/dashboard.html

@@ -805,12 +805,12 @@
     <script src="/static/vendor/leaflet.js"></script>
     <script src="/static/vendor/leaflet.markercluster.js"></script>
     <script src="/static/js/i18n.js?v=20260513a"></script>
-    <script src="/static/js/api.js?v=20260423a"></script>
+    <script src="/static/js/api.js?v=20260522e"></script>
     <script src="/static/js/ws.js?v=20260316b"></script>
     <script src="/static/js/components.js?v=20260522d"></script>
     <script src="/static/js/layout.js?v=20260513f"></script>
     <script src="/static/js/pipeline.js?v=20260513d"></script>
-    <script src="/static/js/app.js?v=20260522c"></script>
+    <script src="/static/js/app.js?v=20260522e"></script>
     <script src="/static/js/cluster-data.js?v=20260322f"></script>
     <script src="/static/js/tutorial.js?v=20260316z"></script>
     <script src="/static/js/chat.js?v=20260514e"></script>