refactor(logging): replace console usage with logger

services/email.ts

@@ -1,6 +1,8 @@
 /**
  * Mock email service for sending verification emails
  */
+import { logger } from './logging';
+
 export class EmailService {
   /**
    * Simulates sending a verification email with a link to /verify-email?token=${token}
@@ -10,10 +12,11 @@ export class EmailService {
   async sendVerificationEmail(email: string, token: string): Promise<void> {
     // In a real implementation, this would send an actual email
     // For this demo, we'll just log the action
-    console.warn(
-      `📧 Sending verification email to ${email} with token: ${token}`
+    logger.info(
+      `Sending verification email to ${email} with token: ${token}`,
+      'EMAIL'
     );
-    console.warn(`🔗 Verification link: /verify-email?token=${token}`);
+    logger.info(`Verification link: /verify-email?token=${token}`, 'EMAIL');
 
     // Simulate network delay
     await new Promise(resolve => setTimeout(resolve, 500));