Add print statements for new email detection and webhook sending

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/services/email_monitor.py

@@ -247,10 +247,14 @@ class EmailMonitor:
                 if await self._is_email_seen(email.id, mailbox):
                     continue
 
+                # New email detected
+                print(f"[NEW EMAIL] From: {email.from_address.email} | Subject: {email.subject}")
+
                 # Mark as seen first (to avoid duplicates on retry)
                 await self._mark_as_seen(email, mailbox, notification_sent=False)
 
                 # Send notification
+                print(f"[WEBHOOK] Sending notification for email {email.id}...")
                 success, error = await self._send_notification(email, mailbox)
 
                 # Update notification status