fix enrollment and registration email send

app/Views/administrator/enrollment_admin_dashboard.php

@@ -246,6 +246,7 @@ foreach (($activeExceptions ?? []) as $exceptionRow) {
     }
 }
 $emailExampleCount = count($emailExamples ?? []);
+$failedEmailCount = count(array_filter($emailExamples ?? [], static fn ($example): bool => ($example['delivery_status'] ?? '') === 'failed'));
 $launchReady = empty($launchState['missing']);
 $launchApproved = !empty($launchState['approved']);
 $defaultTab = 'work';
@@ -726,7 +727,15 @@ $reasonCodes = is_array($exceptionReasonCodes ?? null) ? $exceptionReasonCodes :
                                 <input class="form-check-input" type="checkbox" id="force_resend" name="force_resend" value="1">
                                 <label class="form-check-label small" for="force_resend">Also resend emails already sent</label>
                             </div>
-                            <button type="submit" class="btn btn-danger" <?= !$launchApproved || !$launchReady || $emailExampleCount === 0 ? 'disabled' : '' ?>>Send real emails</button>
+                            <div class="d-flex flex-wrap gap-2">
+                                <button type="submit" class="btn btn-danger" <?= !$launchApproved || !$launchReady || $emailExampleCount === 0 ? 'disabled' : '' ?>>Send real emails</button>
+                            </div>
+                        </form>
+                        <form class="mt-2" method="post" action="<?= site_url('administrator/enrollment-admin/send-registration-emails') ?>" onsubmit="return confirm('Retry only failed registration emails for <?= esc((string) ($schoolYear ?? ''), 'js') ?>?');">
+                            <?= csrf_field() ?>
+                            <input type="hidden" name="school_year" value="<?= esc($schoolYear ?? '') ?>">
+                            <input type="hidden" name="failed_only" value="1">
+                            <button type="submit" class="btn btn-outline-danger" <?= !$launchApproved || !$launchReady || $failedEmailCount === 0 ? 'disabled' : '' ?>>Send failed emails only<?= $failedEmailCount > 0 ? ' (' . (int) $failedEmailCount . ')' : '' ?></button>
                         </form>
                     </div>
                 </div>