fix(sw): aggressively clear ALL caches on activate

public/service-worker.js

@@ -45,12 +45,11 @@ self.addEventListener('activate', (event) => {
   event.waitUntil(
     caches.keys().then((cacheNames) => {
       return Promise.all(
-        cacheNames
-          .filter((name) => name !== CACHE_NAME)
-          .map((name) => {
-            console.log('[Service Worker] Deleting old cache:', name);
-            return caches.delete(name);
-          })
+        // Delete ALL caches (including current) to force fresh fetch
+        cacheNames.map((name) => {
+          console.log('[Service Worker] Deleting cache:', name);
+          return caches.delete(name);
+        })
       );
     }).then(() => {
       // Take control of all clients immediately