feat: agregar Toast global y mejorar mensajes de Copiar/Rotar

Co-authored-by: aider (openrouter/openai/gpt-5) <aider@aider.chat>

apps/web/src/lib/ui/data/FeedCard.svelte

@@ -15,7 +15,7 @@
   async function handleCopy() {
     if (!url) return;
     const ok = await copyToClipboard(url);
-    if (ok) toasts.success('Enlace copiado al portapapeles');
+    if (ok) toasts.success('Enlace de calendario copiado');
     else toasts.error('No se pudo copiar el enlace');
   }
 
@@ -36,8 +36,8 @@
       {/if}
     </div>
     <div class="actions">
-      <Button variant="secondary" size="sm" on:click={handleCopy} disabled={!url}>Copiar</Button>
+      <Button variant="secondary" size="sm" on:click={handleCopy} disabled={!url} aria-disabled={!url} title={!url ? 'URL no disponible' : undefined}>Copiar</Button>
-      <Button variant="danger" size="sm" on:click={handleRotate} disabled={rotating}>
+      <Button variant="danger" size="sm" on:click={handleRotate} disabled={rotating} aria-disabled={rotating} aria-busy={rotating} title={rotating ? 'Actualizando…' : undefined}>
         {rotating ? 'Rotando…' : 'Rotar'}
       </Button>
     </div>

apps/web/src/routes/+layout.svelte

@@ -2,6 +2,7 @@
 	import '$lib/styles/tokens.css';
 	import '$lib/styles/base.css';
 	import favicon from '$lib/assets/favicon.svg';
+	import Toast from '$lib/ui/feedback/Toast.svelte';
 </script>
 
 <svelte:head>
@@ -11,4 +12,5 @@
 
 
 <slot />
+<Toast />
 

apps/web/src/routes/app/integrations/+page.svelte

@@ -21,6 +21,7 @@
       if (type === 'group' && groupId) rotating[groupId] = true;
       if (type === 'personal') rotating['personal'] = true;
       if (type === 'aggregate') rotating['aggregate'] = true;
+      rotating = { ...rotating };
 
       const res = await fetch('/api/integrations/feeds/rotate', {
         method: 'POST',
@@ -28,8 +29,7 @@
         body: JSON.stringify({ type, groupId: groupId ?? null })
       });
       if (!res.ok) {
-        const msg = await res.text();
+        error('No se puedo actualizar');
-        error(`No se pudo rotar: ${msg || res.status}`);
         return;
       }
       const body = await res.json();
@@ -41,13 +41,14 @@
         const idx = groups.findIndex(g => g.groupId === groupId);
         if (idx >= 0) groups[idx].url = body.url || null;
       }
-      success('Token rotado correctamente');
+      success('Feed de calendario actualizado');
     } catch (e) {
-      error('Error al rotar el token');
+      error('No se puedo actualizar');
     } finally {
       if (type === 'group' && groupId) rotating[groupId] = false;
       if (type === 'personal') rotating['personal'] = false;
       if (type === 'aggregate') rotating['aggregate'] = false;
+      rotating = { ...rotating };
     }
   }
 </script>