fix(i18n): normalize translations and fallbacks

lib/widgets/tarjeta_emisora.dart

@@ -4,6 +4,8 @@ import 'package:provider/provider.dart';
 import 'package:shimmer/shimmer.dart';
 
 import '../estado/estado_radio.dart';
+import '../l10n/display_names.dart';
+import '../l10n/gen/app_localizations.dart';
 import '../modelos/emisora.dart';
 import '../tema/pluriwave_theme.dart';
 import 'pluri_glass_surface.dart';
@@ -37,12 +39,14 @@ class _TarjetaEmisoraState extends State<TarjetaEmisora> {
     final esFav = await estado.toggleFavorito(widget.emisora);
     if (mounted) setState(() => _toggling = false);
     if (mounted) {
+      final l10n = AppLocalizations.of(context);
+      final stationName = localizedStationName(l10n, widget.emisora.nombre);
       ScaffoldMessenger.of(context).showSnackBar(
         SnackBar(
           content: Text(
             esFav
-                ? '${widget.emisora.nombre} añadida a favoritos'
-                : '${widget.emisora.nombre} eliminada de favoritos',
+                ? l10n.favoritesAddedMessage(stationName)
+                : l10n.favoritesRemovedMessage(stationName),
           ),
           duration: const Duration(seconds: 2),
         ),
@@ -53,9 +57,11 @@ class _TarjetaEmisoraState extends State<TarjetaEmisora> {
   @override
   Widget build(BuildContext context) {
     final t = context.pluriTokens;
+    final l10n = AppLocalizations.of(context);
+    final stationName = localizedStationName(l10n, widget.emisora.nombre);
     return Semantics(
       button: widget.onTap != null,
-      label: 'Emisora ${widget.emisora.nombre}',
+      label: l10n.stationSemanticLabel(stationName),
       child: PluriGlassSurface(
         padding: EdgeInsets.zero,
         borderRadius: BorderRadius.circular(
@@ -74,6 +80,10 @@ class _TarjetaEmisoraState extends State<TarjetaEmisora> {
 
   Widget _buildCompleta() {
     final t = context.pluriTokens;
+    final stationName = localizedStationName(
+      AppLocalizations.of(context),
+      widget.emisora.nombre,
+    );
     return Stack(
       children: [
         Column(
@@ -116,7 +126,7 @@ class _TarjetaEmisoraState extends State<TarjetaEmisora> {
                 crossAxisAlignment: CrossAxisAlignment.start,
                 children: [
                   Text(
-                    widget.emisora.nombre,
+                    stationName,
                     style: Theme.of(context).textTheme.titleSmall?.copyWith(
                       fontWeight: FontWeight.w700,
                     ),
@@ -153,6 +163,10 @@ class _TarjetaEmisoraState extends State<TarjetaEmisora> {
 
   Widget _buildCompacta() {
     final t = context.pluriTokens;
+    final stationName = localizedStationName(
+      AppLocalizations.of(context),
+      widget.emisora.nombre,
+    );
     final subtitulo = [
       widget.emisora.pais,
       widget.emisora.idioma,
@@ -192,7 +206,7 @@ class _TarjetaEmisoraState extends State<TarjetaEmisora> {
               crossAxisAlignment: CrossAxisAlignment.start,
               children: [
                 Text(
-                  widget.emisora.nombre,
+                  stationName,
                   style: Theme.of(
                     context,
                   ).textTheme.titleSmall?.copyWith(fontWeight: FontWeight.w700),
@@ -223,6 +237,7 @@ class _TarjetaEmisoraState extends State<TarjetaEmisora> {
 
   Widget _botonFavorito({required bool mini}) {
     final t = context.pluriTokens;
+    final l10n = AppLocalizations.of(context);
     final esFavorito = context.select<EstadoRadio, bool>(
       (estado) =>
           estado.listaFavoritos.any((e) => e.uuid == widget.emisora.uuid),
@@ -248,13 +263,16 @@ class _TarjetaEmisoraState extends State<TarjetaEmisora> {
                       : PluriIconVariant.outline,
               size: 20,
               semanticLabel:
-                  esFavorito ? 'Quitar de favoritos' : 'Añadir a favoritos',
+                  esFavorito
+                      ? l10n.favoritesRemoveTooltip
+                      : l10n.favoritesAddTooltip,
             );
 
     return Semantics(
       button: true,
       toggled: esFavorito,
-      label: esFavorito ? 'Quitar de favoritos' : 'Añadir a favoritos',
+      label:
+          esFavorito ? l10n.favoritesRemoveTooltip : l10n.favoritesAddTooltip,
       child: Material(
         color: mini ? t.glassSurface : Colors.transparent,
         shape: const CircleBorder(),
@@ -318,7 +336,7 @@ class _TarjetaEmisoraState extends State<TarjetaEmisora> {
             glyph: PluriIconGlyph.player,
             variant: PluriIconVariant.activeGlow,
             size: size,
-            semanticLabel: 'Icono de emisora',
+            semanticLabel: AppLocalizations.of(context).stationIconLabel,
           ),
         ),
       ],
@@ -345,6 +363,7 @@ class _LiveBadge extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     final color = Theme.of(context).colorScheme.secondary;
+    final l10n = AppLocalizations.of(context);
     return Container(
       padding: EdgeInsets.symmetric(horizontal: mini ? 8 : 6, vertical: mini ? 5 : 4),
       decoration: BoxDecoration(
@@ -358,7 +377,7 @@ class _LiveBadge extends StatelessWidget {
           Icon(Icons.fiber_manual_record_rounded, size: mini ? 10 : 8, color: color),
           if (mini) ...[
             const SizedBox(width: 5),
-            Text('Live', style: Theme.of(context).textTheme.labelSmall?.copyWith(fontWeight: FontWeight.w900)),
+            Text(l10n.liveNow, style: Theme.of(context).textTheme.labelSmall?.copyWith(fontWeight: FontWeight.w900)),
           ],
         ],
       ),