update homework tracking

app/Views/grading/homework_tracking.php

@@ -70,7 +70,8 @@ $todayYmd = local_date(utc_now(), 'Y-m-d');
             <tr>
               <th class="sticky-col">Grade</th>
               <th class="sticky-col-2" style="min-width:300px; width:300px;">Teacher &amp; TAs</th>
-              <?php foreach (($headerDates ?? []) as $i => $label): $ymd = $sundays[$i] ?? ''; ?>
+              <th class="text-center">HW Submitted</th>
+                <?php foreach (($headerDates ?? []) as $i => $label): $ymd = $sundays[$i] ?? ''; ?>
                 <?php $isCal = !empty($eventDays[$ymd]); $isFuture = ($ymd > $todayYmd); ?>
                 <th class="text-center <?= $isCal ? 'bg-warning' : ($isFuture ? 'bg-future' : '') ?>" title="<?= esc($ymd) ?>"><?= esc($label) ?></th>
               <?php endforeach; ?>
@@ -100,6 +101,9 @@ $todayYmd = local_date(utc_now(), 'Y-m-d');
                   <?php endif; ?>
                   <div><strong>TA<?= count($taNames) !== 1 ? 's' : '' ?>:</strong> <?= !empty($taNames) ? esc(implode(', ', $taNames)) : '—' ?></div>
                 </td>
+                <td class="text-center">
+                  <?= (int)($homeworkSubmissionCounts[$csid] ?? 0) ?>
+                </td>
                 <?php foreach (($sundays ?? []) as $ymd): ?>
                   <?php if (!empty($eventDays[$ymd])): ?>
                     <td class="bg-warning text-center">—</td>