seperate delivery and billig adresses in contract added

frontend/src/pages/contracts/ContractForm.tsx

@@ -207,6 +207,7 @@ export default function ContractForm() {
         type: c.type,
         status: c.status,
         addressId: c.addressId?.toString() || '',
+        billingAddressId: c.billingAddressId?.toString() || '',
         bankCardId: c.bankCardId?.toString() || '',
         identityDocumentId: c.identityDocumentId?.toString() || '',
         salesPlatformId: c.salesPlatformId?.toString() || '',
@@ -422,6 +423,7 @@ export default function ContractForm() {
       contractCategoryId: selectedCategory.id,
       status: data.status,
       addressId: safeParseInt(data.addressId) ?? null,
+      billingAddressId: safeParseInt(data.billingAddressId) ?? null,
       bankCardId: safeParseInt(data.bankCardId) ?? null,
       identityDocumentId: safeParseInt(data.identityDocumentId) ?? null,
       salesPlatformId: safeParseInt(data.salesPlatformId) ?? null,
@@ -658,16 +660,31 @@ export default function ContractForm() {
 
         {customerId && (
           <Card className="mb-6" title="Kundendaten verknüpfen">
-            <div className="grid grid-cols-1 md:grid-cols-3 gap-4">
+            <div className="grid grid-cols-1 md:grid-cols-2 gap-4 mb-4">
               <Select
-                label="Adresse"
+                label="Lieferadresse"
                 {...register('addressId')}
-                options={addresses.map((a) => ({
-                  value: a.id,
-                  label: `${a.street} ${a.houseNumber}, ${a.postalCode} ${a.city} (${a.type === 'BILLING' ? 'Rechnung' : 'Liefer'})`,
-                }))}
+                options={addresses
+                  .filter((a) => a.type === 'DELIVERY_RESIDENCE')
+                  .map((a) => ({
+                    value: a.id,
+                    label: `${a.street} ${a.houseNumber}, ${a.postalCode} ${a.city}`,
+                  }))}
               />
 
+              <Select
+                label="Rechnungsadresse"
+                {...register('billingAddressId')}
+                options={addresses
+                  .filter((a) => a.type === 'BILLING')
+                  .map((a) => ({
+                    value: a.id,
+                    label: `${a.street} ${a.houseNumber}, ${a.postalCode} ${a.city}`,
+                  }))}
+                placeholder="Wie Lieferadresse"
+              />
+            </div>
+            <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
               <Select
                 label="Bankkarte"
                 {...register('bankCardId')}