feat: ship public ops features and cache docker builds

frontend/public/termi-web-push-sw.js

@@ -0,0 +1,51 @@
+self.addEventListener('push', (event) => {
+  const payload = (() => {
+    if (!event.data) {
+      return {};
+    }
+
+    try {
+      return event.data.json();
+    } catch {
+      return {
+        body: event.data.text(),
+      };
+    }
+  })();
+
+  const title = payload.title || '订阅更新';
+  const url = payload.url || '/';
+  const options = {
+    body: payload.body || '',
+    icon: payload.icon || '/favicon.svg',
+    badge: payload.badge || '/favicon.ico',
+    tag: payload.tag || 'termi-subscription',
+    data: {
+      url,
+      ...(payload.data || {}),
+    },
+  };
+
+  event.waitUntil(self.registration.showNotification(title, options));
+});
+
+self.addEventListener('notificationclick', (event) => {
+  event.notification.close();
+  const targetUrl = event.notification?.data?.url || '/';
+
+  event.waitUntil(
+    self.clients.matchAll({ type: 'window', includeUncontrolled: true }).then((clients) => {
+      for (const client of clients) {
+        if ('focus' in client && client.url === targetUrl) {
+          return client.focus();
+        }
+      }
+
+      if (self.clients.openWindow) {
+        return self.clients.openWindow(targetUrl);
+      }
+
+      return undefined;
+    }),
+  );
+});