feat: enhance email monitoring and management features

- Added a new section for monitoring email status, allowing users to track the email queue and identify sending issues.
- Updated the backend to support new internal queries for listing pending emails and retrieving email configurations.
- Refactored email-related mutations to improve error handling and streamline the email sending process.
- Enhanced the overall email management experience by providing clearer feedback and monitoring capabilities.

apps/web/src/routes/(dashboard)/ti/+page.svelte

@@ -218,6 +218,19 @@
       palette: "secondary",
       icon: "envelope",
     },
+    {
+      title: "Monitoramento de Emails",
+      description:
+        "Acompanhe o status da fila de emails, identifique problemas de envio e processe manualmente quando necessário.",
+      ctaLabel: "Monitorar Emails",
+      href: "/ti/monitoramento-emails",
+      palette: "info",
+      icon: "envelope",
+      highlightBadges: [
+        { label: "Tempo Real", variant: "solid" },
+        { label: "Debug", variant: "outline" },
+      ],
+    },
     {
       title: "Gerenciar Usuários",
       description: