UI-tests und fixes aus tests

public/js/app.js

@@ -36,7 +36,7 @@ window._ungroupCard = ungroupCard;
 window._getSelectedIds = getSelectedIds;
 window._clearSelection = clearSelection;
 window._refreshTasks = refreshTasksView;
-window._reloadAll = async () => { state.cards = await api('api/cards') || []; renderBoard(); refreshCalendar(); };
+window._reloadAll = async () => { await loadBuckets(); state.cards = await api('api/cards') || []; renderBoard(); refreshCalendar(); };
 window._extractToCard = async (text) => {
     if (!text?.trim()) return;
     const lines = text.trim().split('\n');
@@ -232,3 +232,14 @@ document.addEventListener('keydown', e => {
 // ── Boot ──
 
 checkAuth();
+
+// ── Test runner (lazy-loaded, no cost in production) ──
+if (new URLSearchParams(location.search).has('test') || false) {
+    import('./test/tests.js');
+}
+document.addEventListener('keydown', e => {
+    if (e.ctrlKey && e.shiftKey && e.key === 'T') {
+        e.preventDefault();
+        import('./test/tests.js').then(() => import('./test/runner.js').then(m => m.open()));
+    }
+});