fix: wrap escalation email in try/catch

handlers/commands.js

@@ -149,6 +149,7 @@ async function runEscalation(interaction, ticket, nextTier, reason) {
   });
 
   if (!isDiscordTicket && ticket.gmailThreadId) {
+    try {
       const emailBody = CONFIG.ESCALATION_MESSAGE.replace(/\{support_name\}/g, CONFIG.SUPPORT_NAME) + (reason ? `\n\nReason: ${reason}` : '');
       await sendTicketNotificationEmail(
         ticket,
@@ -156,6 +157,9 @@ async function runEscalation(interaction, ticket, nextTier, reason) {
         emailBody,
         interaction.member?.displayName || interaction.user.username
       );
+    } catch (emailErr) {
+      console.error('Escalation email failed (non-fatal):', emailErr.message);
+    }
   }
 
   if (nextTier === 2 && ticket.welcomeMessageId) {