KI-AGENT: Beleg-Relationswerte vor dem Speichern normalisieren

backend/src/routes/resources/main.ts

@@ -936,7 +936,16 @@ export default async function resourceRoutes(server: FastifyInstance) {
 
             const normalizeDate = (val: any) => { const d = new Date(val); return isNaN(d.getTime()) ? null : d; }
             Object.keys(createData).forEach((key) => {
-                if (key.toLowerCase().includes("date") && key !== "deliveryDateType") createData[key] = normalizeDate(createData[key])
+                const value = createData[key]
+                const shouldNormalize =
+                    isDateLikeField(key) &&
+                    value !== null &&
+                    value !== undefined &&
+                    (typeof value === "string" || typeof value === "number" || value instanceof Date)
+
+                if (shouldNormalize) {
+                    createData[key] = normalizeDate(value)
+                }
             })
 
             const [created] = await server.db.insert(table).values(createData).returning()