Phase6c: Optional Company contact name

src/app/api/settings/billing/route.ts

@@ -22,6 +22,10 @@ import { getOrgBilling, upsertOrgBilling } from "@/lib/db";
 
 const upsertSchema = z.object({
   companyName: z.string().trim().min(1).max(200),
+  // Phase 6 fix: optional "z.Hd." / "Attn:" line. Personal accounts
+  // never send this (the UI hides the field); orgs may set or leave
+  // it empty.
+  contactName: z.string().trim().max(200).optional().nullable(),
   streetAddress: z.string().trim().min(1).max(200),
   postalCode: z.string().trim().min(1).max(20),
   city: z.string().trim().min(1).max(100),
@@ -73,6 +77,7 @@ export async function PUT(request: Request) {
   const billing = await upsertOrgBilling({
     zitadelOrgId: user.orgId,
     companyName: data.companyName,
+    contactName: data.contactName ?? null,
     streetAddress: data.streetAddress,
     postalCode: data.postalCode,
     city: data.city,