feat(commission) : add push notifications and unread ticket titles

public/commission-push-sw.js

@@ -0,0 +1,22 @@
+self.addEventListener("push", (event) => {
+  if (!event.data) return;
+  const message = event.data.json();
+  event.waitUntil(self.registration.showNotification(message.title, {
+    body: message.body,
+    icon: "/icon.png",
+    tag: message.id,
+    data: { url: message.url },
+  }));
+});
+
+self.addEventListener("notificationclick", (event) => {
+  event.notification.close();
+  const url = new URL(event.notification.data.url, self.location.origin);
+  if (url.origin !== self.location.origin) return;
+  event.waitUntil((async () => {
+    const windows = await self.clients.matchAll({ type: "window", includeUncontrolled: true });
+    const existing = windows.find((client) => client.url === url.href);
+    if (existing) return existing.focus();
+    return self.clients.openWindow(url.href);
+  })());
+});