Initial Coworker app scaffold

apps/desktop/public/icon.svg

@@ -0,0 +1,5 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 128 128">
+  <rect width="128" height="128" rx="28" fill="#111317"/>
+  <path d="M31 70c0-23 14-39 34-39 16 0 27 9 31 23H77c-3-5-7-7-13-7-10 0-16 9-16 23s6 23 16 23c7 0 12-3 15-10h19c-5 17-17 27-35 27-19 0-32-16-32-40Z" fill="#f5f7fb"/>
+  <path d="M22 24h28v13H35v54h15v13H22V24Zm84 80H78V91h15V37H78V24h28v80Z" fill="#7dd3fc"/>
+</svg>

apps/desktop/public/manifest.webmanifest

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+{
+  "name": "Coworker",
+  "short_name": "Coworker",
+  "display": "standalone",
+  "background_color": "#111317",
+  "theme_color": "#111317",
+  "start_url": "/",
+  "scope": "/",
+  "icons": [
+    {
+      "src": "/icon.svg",
+      "sizes": "any",
+      "type": "image/svg+xml",
+      "purpose": "any maskable"
+    }
+  ]
+}

apps/desktop/public/sw.js

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+self.addEventListener("install", (event) => {
+  event.waitUntil(caches.open("coworker-shell-v1").then((cache) => cache.addAll(["/", "/manifest.webmanifest", "/icon.svg"])));
+  self.skipWaiting();
+});
+
+self.addEventListener("activate", (event) => {
+  event.waitUntil(self.clients.claim());
+});
+
+self.addEventListener("fetch", (event) => {
+  if (event.request.method !== "GET") return;
+  event.respondWith(fetch(event.request).catch(() => caches.match(event.request).then((cached) => cached || caches.match("/"))));
+});