feat: enhance push notification management and error handling

- Implemented error handling for unhandled promise rejections related to message channels, improving stability during push notification operations.
- Updated the PushNotificationManager component to manage push subscription registration with timeouts, preventing application hangs.
- Enhanced the sidebar and chat components to display user avatars, improving user experience and visual consistency.
- Refactored email processing logic to support scheduled email sending, integrating new backend functionalities for better email management.
- Improved overall error handling and logging across components to reduce console spam and enhance debugging capabilities.

packages/backend/convex/crons.ts

@@ -10,6 +10,13 @@ crons.interval(
   internal.chat.enviarMensagensAgendadas
 );
 
+// Processar fila de emails (incluindo agendados) a cada minuto
+crons.interval(
+  "processar-fila-emails",
+  { minutes: 1 },
+  internal.email.processarFilaEmails
+);
+
 // Limpar indicadores de digitação antigos (>10s) a cada minuto
 crons.interval(
   "limpar-indicadores-digitacao",
@@ -33,13 +40,5 @@ crons.interval(
   {}
 );
 
-// Processar fila de emails pendentes a cada 2 minutos
-crons.interval(
-  "processar-fila-emails",
-  { minutes: 2 },
-  internal.email.processarFilaEmails,
-  {}
-);
-
 export default crons;