tim plugin, chat bot sync notifications, test fixes

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

public/plugins/tests/card-interactions.test.js

@@ -392,11 +392,18 @@ describe('Card: Group Delete', () => {
         if (dialog?.classList.contains('open')) {
             const okBtn = document.getElementById('dialog-ok');
             if (okBtn) click(okBtn);
-            await sleep(500);
         }
 
-        // Confirm both are gone
-        let cards = await fetch('api/cards').then(r => r.json());
+        // Poll until deletion lands (can take a while on slow machines with
+        // confirm-dialog + two DELETE calls chained).
+        let cards;
+        const start = Date.now();
+        while (Date.now() - start < 4000) {
+            cards = await fetch('api/cards').then(r => r.json());
+            const stillThere = cards.some(c => c.id === parent.id || c.id === child.id);
+            if (!stillThere) break;
+            await sleep(100);
+        }
         expect(cards.some(c => c.id === parent.id)).toBe(false);
         expect(cards.some(c => c.id === child.id)).toBe(false);