Make the app work: bind transport fetch (Illegal invocation), emergency phone content, real map assets+POIs, wire map loader into routes, offline icon cache match, multi-day event times, hide empty emergency groups; remove bottom nav bar (home tiles + brand cover navigation)

public/sw.js

@@ -119,11 +119,13 @@ self.addEventListener("fetch", (event) => {
     return;
   }
 
-  // Other same-origin GETs (manifest, icons) — cache-first with network fallback
+  // Other same-origin GETs (manifest, icons) — cache-first with network fallback.
+  // ignoreSearch: the page may request /icon.svg?v=N while precache stored the
+  // bare path — offline the versioned URL must still hit the cached entry.
   event.respondWith(
-    caches.match(req).then((cached) => {
+    caches.match(req, { ignoreSearch: true }).then((cached) => {
       if (cached) return cached;
-      return fetch(req).catch(() => caches.match(req));
+      return fetch(req).catch(() => caches.match(req, { ignoreSearch: true }));
     }),
   );
 });