Phase6c: Optional Company contact name

src/lib/db.ts

@@ -198,6 +198,12 @@ const MIGRATION_SQL = `
   CREATE TABLE IF NOT EXISTS org_billing (
     zitadel_org_id   TEXT PRIMARY KEY,
     company_name     TEXT NOT NULL,
+    -- Phase 6 fix: optional contact-person line shown on the
+    -- invoice PDF below the company name (e.g. "z.Hd. Herr Müller").
+    -- Not normally needed since invoices are delivered by email
+    -- link, but useful when customers forward the PDF internally
+    -- for AP routing in larger organizations.
+    contact_name     TEXT,
     street_address   TEXT NOT NULL,
     postal_code      TEXT NOT NULL,
     city             TEXT NOT NULL,
@@ -208,6 +214,10 @@ const MIGRATION_SQL = `
     created_at       TIMESTAMPTZ NOT NULL DEFAULT now(),
     updated_at       TIMESTAMPTZ NOT NULL DEFAULT now()
   );
+  -- Phase 6 fix: ensure the column exists on databases that were
+  -- created before contact_name was added to the base schema above.
+  -- IF NOT EXISTS makes this safe to run repeatedly via ensureSchema.
+  ALTER TABLE org_billing ADD COLUMN IF NOT EXISTS contact_name TEXT;
 
   -- Feature 5: lightweight customer support / feedback tickets.
   -- Scoped strictly per-user (zitadel_user_id), not per-org —
@@ -1262,6 +1272,7 @@ function rowToOrgBilling(row: any): OrgBilling {
   return {
     zitadelOrgId: row.zitadel_org_id,
     companyName: row.company_name,
+    contactName: row.contact_name ?? null,
     streetAddress: row.street_address,
     postalCode: row.postal_code,
     city: row.city,
@@ -1306,12 +1317,13 @@ export async function upsertOrgBilling(
   await ensureSchema();
   const result = await getPool().query(
     `INSERT INTO org_billing (
-       zitadel_org_id, company_name, street_address, postal_code,
-       city, country, vat_number, billing_email, notes
+       zitadel_org_id, company_name, contact_name, street_address,
+       postal_code, city, country, vat_number, billing_email, notes
      )
-     VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9)
+     VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10)
      ON CONFLICT (zitadel_org_id) DO UPDATE SET
        company_name   = EXCLUDED.company_name,
+       contact_name   = EXCLUDED.contact_name,
        street_address = EXCLUDED.street_address,
        postal_code    = EXCLUDED.postal_code,
        city           = EXCLUDED.city,
@@ -1324,6 +1336,7 @@ export async function upsertOrgBilling(
     [
       data.zitadelOrgId,
       data.companyName,
+      data.contactName ?? null,
       data.streetAddress,
       data.postalCode,
       data.city,