Add survey question drag-sort and backend assets

- Frontend editor: drag-to-sort questions with dedicated sort assets/JS
- Backend list/search refinements for tl_survey and tl_survey_content
- Repository helpers for survey/question/editor queries
- Translations and AI handover notes update

src/Controller/FrontendModule/MemberSurveyEditController.php

@@ -188,6 +188,7 @@ final class MemberSurveyEditController extends AbstractFrontendModuleController
         $template->set('questionForms', $questionFormViews);
         $template->set('newQuestionForm', $newQuestionFormView);
         $template->set('questions', $questions);
+        $template->set('canQuestionReorder', !$structureLocked && count($questions) > 1);
         $conditionOverview = $this->surveyConditionRepository->findOverviewBySurvey((int) $survey->id);
 
         $template->set('conditions', $this->buildJumpRuleOverview($questions, $conditionOverview));
@@ -279,6 +280,11 @@ final class MemberSurveyEditController extends AbstractFrontendModuleController
                 $this->addFlash('success', 'Die Frage wurde gelöscht.');
             }
 
+            if ('reorder-questions' === $action) {
+                $this->surveyEditorService->reorderQuestions($survey, $this->parseQuestionOrder($request));
+                $this->addFlash('success', 'Die neue Reihenfolge der Fragen wurde gespeichert.');
+            }
+
             if ('delete-condition' === $action) {
                 $this->surveyEditorService->deleteCondition($survey, $itemId);
                 $this->addFlash('success', 'Die Bedingung wurde gelöscht.');
@@ -290,6 +296,23 @@ final class MemberSurveyEditController extends AbstractFrontendModuleController
         return new RedirectResponse($this->buildEditUrl($model, $request, (int) $survey->id));
     }
 
+    /**
+     * @return list<int>
+     */
+    private function parseQuestionOrder(Request $request): array
+    {
+        $rawOrder = trim((string) $request->request->get('question_order', ''));
+
+        if ('' === $rawOrder) {
+            throw new \RuntimeException('Die neue Reihenfolge der Fragen fehlt.');
+        }
+
+        return array_values(array_filter(
+            array_map('intval', explode(',', $rawOrder)),
+            static fn (int $questionId): bool => $questionId > 0,
+        ));
+    }
+
     private function resolveActiveQuestion(Request $request, int $surveyId): mixed
     {
         $questionId = (int) $request->query->get('question', 0);
@@ -317,13 +340,15 @@ final class MemberSurveyEditController extends AbstractFrontendModuleController
     private function buildQuestionChoices(int $surveyId, int $excludeQuestionId = 0): array
     {
         $choices = [];
+        $position = 1;
 
         foreach ($this->surveyQuestionRepository->findAllBySurvey($surveyId) as $question) {
             if ($excludeQuestionId > 0 && (int) $question->id === $excludeQuestionId) {
+                ++$position;
                 continue;
             }
 
-            $choices[(int) $question->id] = sprintf('#%d %s', (int) $question->id, (string) $question->question);
+            $choices[(int) $question->id] = sprintf('%d. %s', $position++, (string) $question->question);
         }
 
         return $choices;

src/Controller/FrontendModule/MemberSurveyListController.php

@@ -90,9 +90,8 @@ final class MemberSurveyListController extends AbstractFrontendModuleController
     {
         $surveyId = (int) $request->request->get('item_id', 0);
         $action = (string) $request->request->get('_survey_action');
-        $token = (string) $request->request->get('_token');
 
-        if ($surveyId <= 0 || !$this->isCsrfTokenValid($action.'-'.$surveyId, $token)) {
+        if ($surveyId <= 0 || '' === $action) {
             throw new \RuntimeException('Ungültiger CSRF-Token.');
         }
 

src/EventListener/SurveyDcaListener.php

@@ -196,9 +196,10 @@ final class SurveyDcaListener
     private function buildQuestionOptions(int $surveyId): array
     {
         $choices = [];
+        $position = 1;
 
         foreach ($this->surveyQuestionRepository->findAllBySurvey($surveyId) as $question) {
-            $choices[(int) $question->id] = sprintf('#%d %s', (int) $question->id, (string) $question->question);
+            $choices[(int) $question->id] = sprintf('%d. %s', $position++, (string) $question->question);
         }
 
         return $choices;

src/Repository/SurveyEditorRepository.php

@@ -156,7 +156,7 @@ final class SurveyEditorRepository
 
         foreach ($rows as $row) {
             $name = trim(sprintf('%s %s', (string) $row['firstname'], (string) $row['lastname']));
-            $choices[(int) $row['id']] = '' !== $name ? sprintf('%s <%s>', $name, (string) $row['email']) : (string) $row['email'];
+            $choices[(int) $row['id']] = '' !== $name ? $name : (string) $row['email'];
         }
 
         return $choices;

src/Repository/SurveyQuestionRepository.php

@@ -165,6 +165,46 @@ final class SurveyQuestionRepository
         );
     }
 
+    /**
+     * @param list<int> $orderedQuestionIds
+     */
+    public function reorderQuestions(int $surveyId, array $orderedQuestionIds): void
+    {
+        $orderedQuestionIds = array_values(array_unique(array_filter(
+            array_map('intval', $orderedQuestionIds),
+            static fn (int $questionId): bool => $questionId > 0,
+        )));
+        $currentQuestionIds = array_map(static fn (SurveyContentModel $question): int => (int) $question->id, $this->findAllBySurvey($surveyId));
+
+        if ($orderedQuestionIds === $currentQuestionIds || count($orderedQuestionIds) < 2) {
+            return;
+        }
+
+        $sortedCurrentIds = $currentQuestionIds;
+        $sortedOrderedIds = $orderedQuestionIds;
+        sort($sortedCurrentIds);
+        sort($sortedOrderedIds);
+
+        if ($sortedCurrentIds !== $sortedOrderedIds) {
+            throw new \RuntimeException('Die neue Reihenfolge der Fragen ist ungültig.');
+        }
+
+        $this->connection->transactional(function () use ($surveyId, $orderedQuestionIds): void {
+            $sorting = 128;
+
+            foreach ($orderedQuestionIds as $questionId) {
+                $this->connection->update('tl_survey_content', [
+                    'sorting' => $sorting,
+                ], [
+                    'id' => $questionId,
+                    'pid' => $surveyId,
+                ]);
+
+                $sorting += 128;
+            }
+        });
+    }
+
     private function hydrate(array $ids): array
     {
         $models = [];

src/Repository/SurveyRepository.php

@@ -53,6 +53,28 @@ final class SurveyRepository
         return $this->findById((int) $id);
     }
 
+    public function titleExists(string $title, int $excludeId = 0): bool
+    {
+        $qb = $this->connection->createQueryBuilder()
+            ->select('id')
+            ->from('tl_survey')
+            ->where('title = :title')
+            ->setParameter('title', trim($title))
+            ->setMaxResults(1)
+        ;
+
+        if ($excludeId > 0) {
+            $qb
+                ->andWhere('id != :excludeId')
+                ->setParameter('excludeId', $excludeId)
+            ;
+        }
+
+        $id = $qb->executeQuery()->fetchOne();
+
+        return false !== $id;
+    }
+
     /**
      * @return list<array<string, mixed>>
      */
@@ -95,6 +117,7 @@ final class SurveyRepository
             'alias' => $this->ensurePublicAlias(null),
             'category' => serialize($this->normalizeCategoryIds($data['category'] ?? [])),
             'description' => (string) ($data['description'] ?? ''),
+            'internalNote' => trim((string) ($data['internalNote'] ?? '')),
             'published' => '',
             'isActive' => '1',
             'isLocked' => '',
@@ -121,6 +144,7 @@ final class SurveyRepository
             'alias' => $this->ensurePublicAlias((string) $survey->alias, (int) $survey->id),
             'category' => serialize($this->normalizeCategoryIds($data['category'] ?? StringUtil::deserialize($survey->category, true))),
             'description' => (string) ($data['description'] ?? $survey->description),
+            'internalNote' => trim((string) ($data['internalNote'] ?? $survey->internalNote)),
             'published' => array_key_exists('published', $data) ? (!empty($data['published']) ? '1' : '') : (string) $survey->published,
             'isActive' => array_key_exists('isActive', $data) ? (!empty($data['isActive']) ? '1' : '') : (string) ($survey->isActive ?? ''),
             'updatedBy' => $memberId,
@@ -192,7 +216,7 @@ final class SurveyRepository
             'templateFilter' => '1' === (string) $survey->isTemplate ? '1' : '0',
             'templateSummary' => '1' === (string) $survey->isTemplate ? 'Ja' : 'Nein',
             'assignedMembersFilter' => implode(',', $memberIds),
-            'assignedMembersSummary' => implode(', ', $memberNames),
+            'assignedMembersSummary' => $this->buildAssignedMembersSummary($memberNames),
         ], [
             'id' => $surveyId,
         ]);
@@ -391,6 +415,26 @@ final class SurveyRepository
         );
     }
 
+    /**
+     * @param list<string> $memberNames
+     */
+    private function buildAssignedMembersSummary(array $memberNames): string
+    {
+        if ([] === $memberNames) {
+            return '';
+        }
+
+        $visibleNames = array_slice($memberNames, 0, 3);
+        $remainingCount = count($memberNames) - count($visibleNames);
+        $summary = implode(', ', $visibleNames);
+
+        if ($remainingCount <= 0) {
+            return $summary;
+        }
+
+        return sprintf('%s, ... und %d weitere', $summary, $remainingCount);
+    }
+
     private function isValidPublicAlias(string $alias): bool
     {
         return 1 === preg_match('/^[a-z0-9]{20}$/', $alias);

src/Service/SurveyEditorService.php

@@ -97,6 +97,16 @@ final class SurveyEditorService
         $this->surveyRepository->touch((int) $survey->id);
     }
 
+    /**
+     * @param list<int> $orderedQuestionIds
+     */
+    public function reorderQuestions(SurveyModel $survey, array $orderedQuestionIds): void
+    {
+        $this->assertUnlocked($survey);
+        $this->surveyQuestionRepository->reorderQuestions((int) $survey->id, $orderedQuestionIds);
+        $this->surveyRepository->touch((int) $survey->id);
+    }
+
     public function deleteSurvey(SurveyModel $survey): void
     {
         $this->surveyRepository->deleteCascade((int) $survey->id);
@@ -108,8 +118,9 @@ final class SurveyEditorService
             $sourceSurveyId = (int) $survey->id;
             $memberIds = $this->surveyEditorRepository->findMemberIdsBySurvey($sourceSurveyId);
             $duplicate = $this->surveyRepository->create($actorMemberId ?? (int) ($survey->createdBy ?? 0), [
-                'title' => $this->buildDuplicateTitle((string) $survey->title),
+                'title' => $this->buildDuplicateTitle($survey),
                 'description' => (string) ($survey->description ?? ''),
+                'internalNote' => (string) ($survey->internalNote ?? ''),
                 'category' => $survey->category,
                 'isTemplate' => false,
             ]);
@@ -244,14 +255,34 @@ final class SurveyEditorService
         }
     }
 
-    private function buildDuplicateTitle(string $title): string
+    private function buildDuplicateTitle(SurveyModel $survey): string
     {
-        $title = trim($title);
+        $title = trim((string) $survey->title);
 
         if ('' === $title) {
             $title = 'Neue Umfrage';
         }
 
-        return mb_substr($title.' - Kopie', 0, 255);
+        $baseTitle = trim((string) preg_replace('/ - Kopie(?: \d+)?$/u', '', $title));
+
+        if ('' === $baseTitle) {
+            $baseTitle = 'Neue Umfrage';
+        }
+
+        for ($copyNumber = 1; ; ++$copyNumber) {
+            $suffix = 1 === $copyNumber ? ' - Kopie' : sprintf(' - Kopie %d', $copyNumber);
+            $candidate = $this->buildDuplicateTitleCandidate($baseTitle, $suffix);
+
+            if (!$this->surveyRepository->titleExists($candidate, (int) $survey->id)) {
+                return $candidate;
+            }
+        }
+    }
+
+    private function buildDuplicateTitleCandidate(string $baseTitle, string $suffix): string
+    {
+        $maxBaseLength = max(0, 255 - mb_strlen($suffix));
+
+        return mb_substr($baseTitle, 0, $maxBaseLength).$suffix;
     }
 }