feat(ui): add generated premium assets

lib/pantallas/pantalla_favoritos.dart

@@ -56,6 +56,7 @@ class PantallaFavoritos extends StatelessWidget {
               scale: Tween<double>(begin: 1, end: 1.03).animate(animation),
               child: child,
             ),
+            // ignore: deprecated_member_use
             onReorder: (oldIndex, newIndex) async {
               if (newIndex > oldIndex) newIndex--;
               final emisora = favoritos[oldIndex];

lib/pantallas/pantalla_inicio.dart

@@ -46,6 +46,7 @@ class _PantallaInicioState extends State<PantallaInicio> {
       child: CustomScrollView(
         slivers: [
           SliverToBoxAdapter(child: _heroHeader(context, estado)),
+          const SliverToBoxAdapter(child: _AuroraWaveBanner()),
           SliverToBoxAdapter(child: _seccionTendencias(estado, theme)),
           SliverToBoxAdapter(child: _chipGeneros(context, theme)),
           if (estado.error != null)
@@ -238,6 +239,65 @@ class _PantallaInicioState extends State<PantallaInicio> {
   }
 }
 
+
+class _AuroraWaveBanner extends StatelessWidget {
+  const _AuroraWaveBanner();
+
+  @override
+  Widget build(BuildContext context) {
+    final t = context.pluriTokens;
+    return Padding(
+      padding: EdgeInsets.fromLTRB(t.spacingMd, 4, t.spacingMd, 8),
+      child: ClipRRect(
+        borderRadius: BorderRadius.circular(t.radiusLg),
+        child: Stack(
+          alignment: Alignment.centerLeft,
+          children: [
+            Image.asset(
+              'assets/images/aurora_wave_banner.png',
+              height: 108,
+              width: double.infinity,
+              fit: BoxFit.cover,
+              errorBuilder: (_, __, ___) => const SizedBox.shrink(),
+            ),
+            Container(
+              height: 108,
+              decoration: BoxDecoration(
+                gradient: LinearGradient(
+                  colors: [
+                    Colors.black.withValues(alpha: 0.58),
+                    Colors.transparent,
+                  ],
+                ),
+              ),
+            ),
+            Padding(
+              padding: const EdgeInsets.all(16),
+              child: Column(
+                crossAxisAlignment: CrossAxisAlignment.start,
+                mainAxisSize: MainAxisSize.min,
+                children: [
+                  Text(
+                    'Live spectrum',
+                    style: Theme.of(context).textTheme.titleMedium?.copyWith(
+                          fontWeight: FontWeight.w900,
+                        ),
+                  ),
+                  const SizedBox(height: 4),
+                  Text(
+                    'Ondas aurora en tiempo real',
+                    style: Theme.of(context).textTheme.bodySmall,
+                  ),
+                ],
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}
+
 class _ChipShimmer extends StatelessWidget {
   final ThemeData theme;
   const _ChipShimmer({required this.theme});