Phase 2: AI Chat, Calendar, Odoo connector, PWA

- AI Chat endpoint (/api/v1/chat) with Claude API context
- Calendar page with FullCalendar.js (day/week/month)
- Odoo API connector (import/export/webhook)
- PWA manifest + service worker for offline
- SW register component

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

apps/tasks/public/sw.js

@@ -0,0 +1,27 @@
+const CACHE = "taskteam-v1";
+const PRECACHE = ["/tasks", "/login", "/manifest.json"];
+
+self.addEventListener("install", (e) => {
+  e.waitUntil(caches.open(CACHE).then((c) => c.addAll(PRECACHE)));
+  self.skipWaiting();
+});
+
+self.addEventListener("activate", (e) => {
+  e.waitUntil(caches.keys().then((keys) =>
+    Promise.all(keys.filter((k) => k !== CACHE).map((k) => caches.delete(k)))
+  ));
+  self.clients.claim();
+});
+
+self.addEventListener("fetch", (e) => {
+  if (e.request.method !== "GET") return;
+  e.respondWith(
+    fetch(e.request)
+      .then((r) => {
+        const clone = r.clone();
+        caches.open(CACHE).then((c) => c.put(e.request, clone));
+        return r;
+      })
+      .catch(() => caches.match(e.request))
+  );
+});