Add occurrence checklist submodule

public/api/market-occurrence.php

@@ -63,6 +63,13 @@ if ($requestMethod === 'POST') {
             $day = market_management_delete_day($pdo, $id);
             echo json_encode(['ok' => true, 'day' => $day]);
             exit;
+        } elseif (($payload['action'] ?? '') === 'update_checklist') {
+            $checklist = market_management_update_occurrence_checklist($pdo, $id, [
+                'items' => $payload['items'] ?? null,
+                'comment' => $payload['comment'] ?? null,
+            ]);
+            echo json_encode(['ok' => true, 'checklist' => $checklist], JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
+            exit;
         } elseif ($scope === 'day') {
             market_management_update_day($pdo, $id, $fields);
         } elseif (in_array($scope, ['occurrence', 'status', 'overview', 'participation', 'infrastructure', 'travel', 'notes'], true)) {

public/assets/styles.portal.css

@@ -431,6 +431,36 @@ body.sg-lager-mobile-detail-open > :not([data-lager-mobile-detail-host]) {
   color: var(--color-white);
 }
 
+.market-checklist-list,
+.market-checklist-edit-list {
+  display: flex;
+  flex-direction: column;
+  gap: var(--spacing-small);
+}
+
+.market-checklist-item,
+.market-checklist-edit-item {
+  display: flex;
+  align-items: center;
+  gap: var(--spacing-small);
+}
+
+.market-checklist-edit-item [data-checklist-label] {
+  flex: 1 1 auto;
+  min-width: 0;
+}
+
+.market-checklist-delete {
+  min-width: var(--small-interaction-element-size);
+  width: var(--small-interaction-element-size);
+  padding-inline: 0;
+}
+
+.market-checklist-comment,
+.market-checklist-comment-field {
+  margin-top: var(--spacing-large);
+}
+
 .market-required-field-indicator {
   position: relative;
   top: -0.25em;