From 6455be81bdda2fafb66fb388a9c4492d802d33cb Mon Sep 17 00:00:00 2001
From: florianfederspiel <florian@fedeo.de>
Date: Tue, 19 May 2026 16:53:53 +0200
Subject: [PATCH] KI-AGENT: Beleg-Relationswerte vor dem Speichern
 normalisieren

---
 backend/src/routes/resources/main.ts          | 11 ++++++-
 frontend/pages/createDocument/edit/[[id]].vue | 31 +++++++++++--------
 2 files changed, 28 insertions(+), 14 deletions(-)

diff --git a/backend/src/routes/resources/main.ts b/backend/src/routes/resources/main.ts
index 72d617f..e72036b 100644
--- a/backend/src/routes/resources/main.ts
+++ b/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()
diff --git a/frontend/pages/createDocument/edit/[[id]].vue b/frontend/pages/createDocument/edit/[[id]].vue
index c207c38..e5df08d 100644
--- a/frontend/pages/createDocument/edit/[[id]].vue
+++ b/frontend/pages/createDocument/edit/[[id]].vue
@@ -303,6 +303,11 @@ watch(
 const loaded = ref(false)
 const normalizeEntityId = (value) => {
   if (value === null || typeof value === "undefined") return null
+  if (value instanceof Date) return null
+  if (typeof value === "string") {
+    const normalized = value.trim()
+    if (!/^\d+$/.test(normalized) && dayjs(normalized).isValid()) return null
+  }
   return typeof value === "object" ? (value.id ?? null) : value
 }
 const normalizeCreatedDocumentRow = (row) => {
@@ -1567,14 +1572,14 @@ const saveSerialInvoice = async () => {
   let createData = {
     type: itemInfo.value.type,
     state: 'Erstellt',
-    customer: itemInfo.value.customer,
-    contact: itemInfo.value.contact,
-    contract: itemInfo.value.contract,
+    customer: normalizeEntityId(itemInfo.value.customer),
+    contact: normalizeEntityId(itemInfo.value.contact),
+    contract: normalizeEntityId(itemInfo.value.contract),
     address: itemInfo.value.address,
-    project: itemInfo.value.project,
+    project: normalizeEntityId(itemInfo.value.project),
     paymentDays: itemInfo.value.paymentDays,
     payment_type: itemInfo.value.payment_type,
-    outgoingsepamandate: itemInfo.value.outgoingsepamandate,
+    outgoingsepamandate: normalizeEntityId(itemInfo.value.outgoingsepamandate),
     deliveryDateType: "Leistungszeitraum",
     createdBy: itemInfo.value.createdBy,
     created_by: itemInfo.value.created_by,
@@ -1650,19 +1655,19 @@ const saveDocument = async (state, resetup = false) => {
     type: itemInfo.value.type,
     taxType: ['invoices', 'cancellationInvoices', 'advanceInvoices', 'confirmationOrders', ...quoteLikeDocumentTypes].includes(itemInfo.value.type) ? normalizeTaxTypeValue(itemInfo.value.taxType) : null,
     state: itemInfo.value.state || "Entwurf",
-    customer: itemInfo.value.customer,
-    contact: itemInfo.value.contact,
-    contract: itemInfo.value.contract,
+    customer: normalizeEntityId(itemInfo.value.customer),
+    contact: normalizeEntityId(itemInfo.value.contact),
+    contract: normalizeEntityId(itemInfo.value.contract),
     address: itemInfo.value.address,
-    project: itemInfo.value.project,
-    plant: itemInfo.value.plant,
+    project: normalizeEntityId(itemInfo.value.project),
+    plant: normalizeEntityId(itemInfo.value.plant),
     documentNumber: itemInfo.value.documentNumber,
     documentDate: itemInfo.value.documentDate,
     deliveryDate: itemInfo.value.deliveryDate,
     deliveryDateEnd: itemInfo.value.deliveryDateEnd,
     paymentDays: itemInfo.value.paymentDays,
     payment_type: itemInfo.value.payment_type,
-    outgoingsepamandate: itemInfo.value.outgoingsepamandate,
+    outgoingsepamandate: normalizeEntityId(itemInfo.value.outgoingsepamandate),
     deliveryDateType: itemInfo.value.deliveryDateType,
     info: {},
     createdBy: itemInfo.value.createdBy,
@@ -1673,9 +1678,9 @@ const saveDocument = async (state, resetup = false) => {
     endText: itemInfo.value.endText,
     rows: itemInfo.value.rows,
     contactPerson: itemInfo.value.contactPerson,
-    createddocument: itemInfo.value.createddocument,
+    createddocument: normalizeEntityId(itemInfo.value.createddocument),
     agriculture: itemInfo.value.agriculture,
-    letterhead: itemInfo.value.letterhead,
+    letterhead: normalizeEntityId(itemInfo.value.letterhead),
     usedAdvanceInvoices: itemInfo.value.usedAdvanceInvoices,
     availableInPortal: itemInfo.value.availableInPortal,
     customSurchargePercentage: itemInfo.value.customSurchargePercentage,