Refactor AdvowareAkte ↔ CDokumente relationship from junction table to direct n:1 relationship

- Removed CAdvowareAktenCDokumente junction table and associated service.
- Updated CDokumente entity to include foreign key cAdvowareAktenId and related fields.
- Changed relationship in CDokumente from hasMany to belongsTo.
- Updated CAdvowareAkten to reflect new direct relationship.
- Implemented CDokumente service with duplicateDocument method for document duplication.
- Refactored hooks to support new relationship and document propagation.
- Removed obsolete API routes related to the junction table.
- Added i18n translations for new fields and updated tooltips.
- Document flow and auto-linking logic enhanced for better integration with Advoware.
- Validation checks passed, and no data migration needed.

custom/Espo/Custom/Hooks/CAIKnowledge/PropagateDocumentsUp.php

@@ -52,6 +52,18 @@ class PropagateDocumentsUp implements AfterRelate, AfterUnrelate
             
             if ($raumungsklage) {
                 $this->relateDocument($raumungsklage, 'dokumentesvmhraumungsklage', $foreignEntity);
+                
+                // Also link to AdvowareAkte if Räumungsklage has one
+                $advowareAkte = $this->entityManager
+                    ->getRDBRepository('CVmhRumungsklage')
+                    ->getRelation($raumungsklage, 'advowareAkten')
+                    ->findOne();
+                
+                if ($advowareAkte && !$foreignEntity->get('cAdvowareAktenId')) {
+                    $foreignEntity->set('cAdvowareAktenId', $advowareAkte->getId());
+                    $foreignEntity->set('syncStatus', 'new');
+                    $this->entityManager->saveEntity($foreignEntity, ['silent' => true, 'skipHooks' => true]);
+                }
             }
             
             // Prüfe ob Mietinkasso verknüpft ist
@@ -62,6 +74,18 @@ class PropagateDocumentsUp implements AfterRelate, AfterUnrelate
             
             if ($mietinkasso) {
                 $this->relateDocument($mietinkasso, 'dokumentesmietinkasso', $foreignEntity);
+                
+                // Also link to AdvowareAkte if Mietinkasso has one
+                $advowareAkte = $this->entityManager
+                    ->getRDBRepository('CMietinkasso')
+                    ->getRelation($mietinkasso, 'advowareAkten')
+                    ->findOne();
+                
+                if ($advowareAkte && !$foreignEntity->get('cAdvowareAktenId')) {
+                    $foreignEntity->set('cAdvowareAktenId', $advowareAkte->getId());
+                    $foreignEntity->set('syncStatus', 'new');
+                    $this->entityManager->saveEntity($foreignEntity, ['silent' => true, 'skipHooks' => true]);
+                }
             }
             
         } catch (\Exception $e) {
@@ -110,6 +134,9 @@ class PropagateDocumentsUp implements AfterRelate, AfterUnrelate
                 $this->unrelateDocument($mietinkasso, 'dokumentesmietinkasso', $foreignEntity);
             }
             
+            // Note: We don't remove cAdvowareAktenId on unrelate from AIKnowledge
+            // because the document might still be linked to Räumungsklage/Mietinkasso
+            
         } catch (\Exception $e) {
             $GLOBALS['log']->error('CAIKnowledge PropagateDocumentsUp (unrelate) Error: ' . $e->getMessage());
         } finally {