Add base kubernetes support

frontend/public/favicon.ico

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16"><text y="14" font-size="14">🍞</text></svg>

frontend/public/sw.js

@@ -3,8 +3,8 @@ const urlsToCache = [
   '/',
   '/index.html',
   '/manifest.json',
-  '/icons/icon-192.png',
-  '/icons/icon-512.png',
+  '/manifest.webmanifest',
+  '/favicon.ico',
 ];
 
 // Install event - cache assets
@@ -58,12 +58,28 @@ self.addEventListener('fetch', (event) => {
     return;
   }
 
-  // Static assets - cache first, network fallback
-  event.respondWith(
-    caches.match(event.request).then((response) => {
-      return response || fetch(event.request);
-    })
-  );
+  // Static assets - network first, cache fallback (for versioned assets)
+  if (event.request.destination === 'script' || event.request.destination === 'style' || event.request.destination === 'image') {
+    event.respondWith(
+      fetch(event.request).then((response) => {
+        // Clone the response before caching
+        const responseToCache = response.clone();
+        caches.open(CACHE_NAME).then((cache) => {
+          cache.put(event.request, responseToCache);
+        });
+        return response;
+      }).catch(() => {
+        return caches.match(event.request);
+      })
+    );
+  } else {
+    // Other requests - cache first, network fallback
+    event.respondWith(
+      caches.match(event.request).then((response) => {
+        return response || fetch(event.request);
+      })
+    );
+  }
 });
 
 // Background sync for offline actions
@@ -120,4 +136,4 @@ async function syncInventoryData() {
   } catch (error) {
     console.error('Sync failed:', error);
   }
-}
+}