Füge Validierung für Geschenke in FalukantService hinzu und erstelle Skripte zur Reparatur ungültiger Werte in PromotionalGift

backend/tools/dumpGiftsDebug.js

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+import { sequelize } from '../utils/sequelize.js';
+import PromotionalGift from '../models/falukant/type/promotional_gift.js';
+import PromotionalGiftMood from '../models/falukant/predefine/promotional_gift_mood.js';
+import PromotionalGiftCharacterTrait from '../models/falukant/predefine/promotional_gift_character_trait.js';
+
+async function dump() {
+  try {
+    await sequelize.authenticate();
+    console.log('DB connected');
+
+    const gifts = await PromotionalGift.findAll({
+      include: [
+        { model: PromotionalGiftMood, as: 'promotionalgiftmoods', attributes: ['moodId', 'suitability'], required: false },
+        { model: PromotionalGiftCharacterTrait, as: 'characterTraits', attributes: ['traitId', 'suitability'], required: false }
+      ]
+    });
+
+    console.log(`found ${gifts.length} gifts`);
+    for (const g of gifts) {
+      console.log('---');
+      console.log('id:', g.id, 'name:', g.name, 'raw value type:', typeof g.value, 'value:', g.value);
+      try {
+        const plain = g.get({ plain: true });
+        console.log('plain value:', JSON.stringify(plain));
+      } catch (e) {
+        console.log('could not stringify plain', e);
+      }
+    }
+  } catch (err) {
+    console.error('dump failed', err);
+    process.exit(2);
+  } finally {
+    await sequelize.close();
+  }
+}
+
+dump();