sw.js

/* AgentForge service worker — offline app shell + runtime caching */
const VERSION = 'agentforge-v3';
const SHELL = [
  './manifest.webmanifest',
  './assets/logo.svg',
  './assets/icon-192.png',
  './assets/icon-512.png',
  './assets/apple-touch-icon.png'
];

self.addEventListener('install', (e) => {
  e.waitUntil(caches.open(VERSION).then((c) => c.addAll(SHELL)).then(() => self.skipWaiting()));
});

self.addEventListener('activate', (e) => {
  e.waitUntil(
    caches.keys().then((keys) =>
      Promise.all(keys.filter((k) => k !== VERSION).map((k) => caches.delete(k)))
    ).then(() => self.clients.claim())
  );
});

self.addEventListener('fetch', (e) => {
  const req = e.request;
  if (req.method !== 'GET') return;
  const url = new URL(req.url);

  // Never cache AI/provider/search/code-exec/backend calls — always go to network.
  const liveHosts = ['api.groq.com', 'localhost', '127.0.0.1', 'api.search.brave.com', 'emkc.org', 'jsdelivr.net'];
  if (liveHosts.some((h) => url.hostname.includes(h))) return;

  // Agent prompt files (raw.githubusercontent): stale-while-revalidate.
  if (url.hostname.includes('raw.githubusercontent.com')) {
    e.respondWith(
      caches.open(VERSION).then(async (cache) => {
        const cached = await cache.match(req);
        const network = fetch(req).then((res) => {
          if (res && res.ok) cache.put(req, res.clone());
          return res;
        }).catch(() => cached);
        return cached || network;
      })
    );
    return;
  }

  if (url.origin !== location.origin) return;

  // HTML / navigation: NETWORK-FIRST so the app is always up to date,
  // falling back to cache only when offline. Prevents stale-app bugs.
  const isHTML = req.mode === 'navigate' || url.pathname.endsWith('/') || url.pathname.endsWith('.html');
  if (isHTML) {
    e.respondWith(
      fetch(req).then((res) => {
        if (res && res.ok) {
          const copy = res.clone();
          caches.open(VERSION).then((c) => c.put(req, copy));
        }
        return res;
      }).catch(() => caches.match(req).then((c) => c || caches.match('./index.html')))
    );
    return;
  }

  // Other same-origin assets: cache-first, fall back to network.
  e.respondWith(
    caches.match(req).then((cached) =>
      cached || fetch(req).then((res) => {
        if (res && res.ok) {
          const copy = res.clone();
          caches.open(VERSION).then((c) => c.put(req, copy));
        }
        return res;
      })
    )
  );
});