优化路径，添加消息推送

public/sw.js

@@ -0,0 +1,66 @@
+self.addEventListener("push", (event) => {
+  let data = {
+    title: "家人连线台",
+    body: "收到一条新的家人留言。",
+    url: "/",
+    icon: "/pwa/icon-192x192.png",
+    badge: "/pwa/badge-96x96.png",
+    tag: "digital-human-message",
+  };
+
+  if (event.data) {
+    try {
+      data = { ...data, ...event.data.json() };
+    } catch {
+      data = { ...data, body: event.data.text() };
+    }
+  }
+
+  event.waitUntil(
+    self.registration.showNotification(data.title, {
+      body: data.body,
+      icon: data.icon,
+      badge: data.badge,
+      tag: data.tag,
+      data: {
+        url: data.url,
+      },
+    }),
+  );
+});
+
+self.addEventListener("notificationclick", (event) => {
+  const targetUrl = new URL(
+    event.notification.data?.url || "/",
+    self.location.origin,
+  ).toString();
+
+  event.notification.close();
+
+  event.waitUntil(
+    clients.matchAll({ type: "window", includeUncontrolled: true }).then(
+      async (clientList) => {
+        for (const client of clientList) {
+          if (!("focus" in client)) {
+            continue;
+          }
+
+          if (client.url === targetUrl) {
+            return client.focus();
+          }
+
+          if (client.url.startsWith(self.location.origin) && "navigate" in client) {
+            await client.navigate(targetUrl);
+            return client.focus();
+          }
+        }
+
+        if (clients.openWindow) {
+          return clients.openWindow(targetUrl);
+        }
+
+        return undefined;
+      },
+    ),
+  );
+});