Pickup dirty status field

apps/submissions/management/commands/process_submissions.py

@@ -18,7 +18,7 @@ from django.core.management.base import BaseCommand
 from django.db import transaction
 from django.utils import timezone
 
-from apps.submissions.emails import send_rejection_email, send_verifying_email
+from apps.submissions.emails import send_verifying_email
 from apps.submissions.models import Submission
 from apps.submissions.validation import (
     ValidationError,
@@ -70,8 +70,10 @@ class Command(BaseCommand):
                     sub.closed_at = timezone.now()
                     # closed_by stays NULL -- the validator did the rejecting,
                     # not an operator (plan.md §5 / §7.3).
+                    # `Submission.save()` detects the `processing -> rejected`
+                    # transition and queues `send_rejection_email()` via
+                    # transaction.on_commit -- no explicit email call needed.
                     sub.save()
-                    send_rejection_email(sub, previous_status="processing")
                     self.stdout.write(f"rejected  {sub.slug}: {exc}")
                 else:
                     sub.status = Submission.Status.VERIFYING