feat(pwa): app icon shortcuts for Quick Dump, new task and shopping list open their input

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

frontend/public/manifest.json

@@ -65,16 +65,43 @@
   },
   "shortcuts": [
     {
-      "name": "Gedanke sofort erfassen",
-      "short_name": "Capture",
-      "description": "Öffnet MindSift mit Fokus im Eingabefeld",
-      "url": "/?mode=capture"
+      "name": "Quick Dump",
+      "short_name": "Quick Dump",
+      "description": "Gedanken schnell in die Triage werfen",
+      "url": "/?shortcut=quickdump",
+      "icons": [
+        {
+          "src": "/shortcut-quickdump.png",
+          "sizes": "192x192",
+          "type": "image/png"
+        }
+      ]
     },
     {
-      "name": "Triage starten",
-      "short_name": "Triage",
-      "description": "Gedanken im Kartendeck aussortieren",
-      "url": "/?tab=triage"
+      "name": "Neue Aufgabe",
+      "short_name": "Aufgabe",
+      "description": "Direkt eine neue Aufgabe anlegen",
+      "url": "/?shortcut=task",
+      "icons": [
+        {
+          "src": "/shortcut-task.png",
+          "sizes": "192x192",
+          "type": "image/png"
+        }
+      ]
+    },
+    {
+      "name": "Einkaufsliste",
+      "short_name": "Einkaufsliste",
+      "description": "Einen Eintrag zur Einkaufsliste hinzufügen",
+      "url": "/?shortcut=list",
+      "icons": [
+        {
+          "src": "/shortcut-list.png",
+          "sizes": "192x192",
+          "type": "image/png"
+        }
+      ]
     }
   ]
 }