Rechnungen: mapInvoice liefert Projekt, Art und Auftrag

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

server/services/finance/stripeFinance.js

@@ -3,6 +3,7 @@ import { config } from '../../config.js'
 import { getStripe, getOrCreateStripeCustomer, stripeCustomerFields, subscriptionIdOfInvoice } from '../stripeBilling.js'
 import { getDocument } from '../appwriteAdmin.js'
 import { addDays, berlinDate, daysBetween } from './dates.js'
+import { RECHNUNGS_ARTEN } from '../auftraege/konstanten.js'
 import { getSettings } from './settings.js'
 
 /**
@@ -87,6 +88,11 @@ export function mapInvoice(raw, { today }) {
     pdfUrl: raw.invoice_pdf || null,
     outOfBand: Boolean(metadata.bankTransactionId),
     bankTransactionId: metadata.bankTransactionId || '',
+    projektId: metadata.projektId || '',
+    projektName: metadata.projektName || '',
+    art: RECHNUNGS_ARTEN.includes(metadata.art) ? metadata.art : subscriptionIdOfInvoice(raw) ? 'abo' : 'frei',
+    auftragId: metadata.auftragId || '',
+    auftragNummer: metadata.auftragNummer || '',
   }
 }