chore: merge web repo history into monorepo at web/

git-subtree-dir: web
git-subtree-mainline: 75a0ba593d
git-subtree-split: 8f624e7416

web/public/sw.js

@@ -0,0 +1,38 @@
+const CACHE_NAME = "deldel-cache-v1";
+const APP_SHELL = ["/", "/manifest.webmanifest", "/icons/icon-192.png", "/icons/icon-512.png"];
+
+self.addEventListener("install", (event) => {
+  event.waitUntil(
+    caches.open(CACHE_NAME).then((cache) => cache.addAll(APP_SHELL)).catch(() => {})
+  );
+  self.skipWaiting();
+});
+
+self.addEventListener("activate", (event) => {
+  event.waitUntil(
+    caches
+      .keys()
+      .then((keys) =>
+        Promise.all(keys.filter((k) => k !== CACHE_NAME).map((k) => caches.delete(k)))
+      )
+  );
+  self.clients.claim();
+});
+
+// استراتژی: برای API همیشه شبکه (never cache)، برای بقیه network-first با fallback به کش
+self.addEventListener("fetch", (event) => {
+  const url = new URL(event.request.url);
+
+  if (event.request.method !== "GET") return;
+  if (url.pathname.startsWith("/api")) return;
+
+  event.respondWith(
+    fetch(event.request)
+      .then((res) => {
+        const resClone = res.clone();
+        caches.open(CACHE_NAME).then((cache) => cache.put(event.request, resClone));
+        return res;
+      })
+      .catch(() => caches.match(event.request))
+  );
+});