from django.db import models class WaitlistSignup(models.Model): name = models.CharField(max_length=120, blank=True) email = models.EmailField(unique=True) source = models.CharField(max_length=80, blank=True) attribution = models.JSONField(default=dict, blank=True) created_at = models.DateTimeField(auto_now_add=True) updated_at = models.DateTimeField(auto_now=True) class Meta: ordering = ["-created_at"] def __str__(self): return self.email