Refactor trait handling in FalukantService and FamilyView for improved data consistency

- Updated trait loading in FalukantService to include trait types, enhancing the mapping of traits to characters.
- Adjusted FamilyView to utilize the new trait structure, ensuring accurate retrieval of traits associated with characters.
- Improved null checks for relationships to prevent potential errors during data access.

frontend/src/views/falukant/FamilyView.vue

@@ -274,12 +274,16 @@ export default {
 
         getEffect(gift) {
             const relationship = this.relationships[0];
+            if (!relationship || !relationship.character2) {
+                return 0;
+            }
             const partner = relationship.character2;
-            const currentMoodId = partner.mood?.id ?? partner.mood_id;
+            const currentMoodId = partner.moodId;
             const moodEntry = gift.moodsAffects.find(ma => ma.mood_id === currentMoodId);
             const moodValue = moodEntry ? moodEntry.suitability : 0;
             let highestCharacterValue = 0;
-            for (const trait of partner.characterTrait) {
+            // traits ist ein Array von Trait-Objekten mit id und tr
+            for (const trait of partner.traits || []) {
                 const charEntry = gift.charactersAffects.find(ca => ca.trait_id === trait.id);
                 if (charEntry && charEntry.suitability > highestCharacterValue) {
                     highestCharacterValue = charEntry.suitability;