Rollen Freigaben Push und Beleg Upload ueberarbeiten

public/sw.js

@@ -43,3 +43,37 @@ self.addEventListener("fetch", (event) => {
       })
   );
 });
+
+self.addEventListener("push", (event) => {
+  const payload = event.data?.json() ?? {};
+  const title = payload.title || "RFP Finanzen";
+  const options = {
+    body: payload.body || "Es gibt eine neue Benachrichtigung.",
+    icon: "/icon-192.png",
+    badge: "/icon-192.png",
+    tag: payload.tag || "rfp-finance",
+    data: {
+      url: payload.url || "/"
+    }
+  };
+
+  event.waitUntil(self.registration.showNotification(title, options));
+});
+
+self.addEventListener("notificationclick", (event) => {
+  event.notification.close();
+  const targetUrl = new URL(event.notification.data?.url || "/", self.location.origin).href;
+
+  event.waitUntil(
+    clients.matchAll({ type: "window", includeUncontrolled: true }).then((clientList) => {
+      for (const client of clientList) {
+        if ("focus" in client) {
+          client.navigate(targetUrl);
+          return client.focus();
+        }
+      }
+
+      return clients.openWindow(targetUrl);
+    })
+  );
+});