feat(leads): link consumer account to lead on submission

- user_account FK on Lead model (SET_NULL, related_name='submitted_leads')
- Migration 0004_lead_user_account
- ScheduleCallView auto-matches consumer account by email on create
- _serialize_lead now returns userAccount: {id, name, email, phone, eventifyId, profilePicture}

admin_api/migrations/0004_lead_user_account.py

@@ -0,0 +1,28 @@
+# Generated by Django 4.2.21 on 2026-04-07
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('admin_api', '0003_lead'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='lead',
+            name='user_account',
+            field=models.ForeignKey(
+                blank=True,
+                null=True,
+                on_delete=django.db.models.deletion.SET_NULL,
+                related_name='submitted_leads',
+                to=settings.AUTH_USER_MODEL,
+                help_text='Consumer platform account that submitted this lead (auto-matched by email)',
+            ),
+        ),
+    ]

admin_api/models.py

@@ -225,6 +225,10 @@ class Lead(models.Model):
     assigned_to  = models.ForeignKey(
         User, on_delete=models.SET_NULL, null=True, blank=True, related_name='assigned_leads'
     )
+    user_account = models.ForeignKey(
+        User, on_delete=models.SET_NULL, null=True, blank=True, related_name='submitted_leads',
+        help_text='Consumer platform account that submitted this lead (auto-matched by email)'
+    )
     notes       = models.TextField(blank=True, default='')
     created_at  = models.DateTimeField(auto_now_add=True)
     updated_at  = models.DateTimeField(auto_now=True)

admin_api/views.py

@@ -2357,6 +2357,25 @@ def _serialize_lead(lead):
     if lead.assigned_to:
         assigned_name = lead.assigned_to.get_full_name() or lead.assigned_to.username
         assigned_id = lead.assigned_to.pk
+
+    user_account = None
+    if lead.user_account:
+        u = lead.user_account
+        profile_pic = None
+        try:
+            if u.profile_picture:
+                profile_pic = u.profile_picture.url
+        except Exception:
+            pass
+        user_account = {
+            'id':           u.pk,
+            'name':         u.get_full_name() or u.username,
+            'email':        u.email,
+            'phone':        getattr(u, 'phone_number', None) or '',
+            'eventifyId':   getattr(u, 'eventify_id', None),
+            'profilePicture': profile_pic,
+        }
+
     return {
         'id':             lead.pk,
         'name':           lead.name,
@@ -2372,6 +2391,7 @@ def _serialize_lead(lead):
         'notes':          lead.notes,
         'createdAt':      lead.created_at.isoformat(),
         'updatedAt':      lead.updated_at.isoformat(),
+        'userAccount':    user_account,
     }
 
 
@@ -2399,7 +2419,7 @@ class LeadListView(APIView):
     def get(self, request):
         from admin_api.models import Lead
         from django.db.models import Q
-        qs = Lead.objects.select_related('assigned_to').order_by('-created_at')
+        qs = Lead.objects.select_related('assigned_to', 'user_account').order_by('-created_at')
 
         # Filters
         status_f = request.query_params.get('status', '').strip()
@@ -2448,7 +2468,7 @@ class LeadDetailView(APIView):
     def get(self, request, pk):
         from admin_api.models import Lead
         from django.shortcuts import get_object_or_404
-        lead = get_object_or_404(Lead.objects.select_related('assigned_to'), pk=pk)
+        lead = get_object_or_404(Lead.objects.select_related('assigned_to', 'user_account'), pk=pk)
         return Response(_serialize_lead(lead))
 
 

mobile_api/views/user.py

@@ -491,6 +491,14 @@ class ScheduleCallView(View):
             if errors:
                 return JsonResponse({'errors': errors}, status=400)
 
+            # Auto-link to a consumer account if one exists with this email
+            from django.contrib.auth import get_user_model
+            _User = get_user_model()
+            try:
+                consumer_account = _User.objects.get(email=email)
+            except _User.DoesNotExist:
+                consumer_account = None
+
             lead = Lead.objects.create(
                 name=name,
                 email=email,
@@ -500,6 +508,7 @@ class ScheduleCallView(View):
                 status='new',
                 source='schedule_call',
                 priority='medium',
+                user_account=consumer_account,
             )
             log("info", f"New schedule-call lead #{lead.pk} from {email}", request=request)
             return JsonResponse({