Customers

const customer = await billing.createCustomer({
  externalUserId: "user_123",
  email: "jane@example.com",
  name: "Jane Smith",
  metadata: { company: "Acme Inc" },
});

const customer = await billing.getCustomer("cus_123");

const customer = await billing.getCustomerByExternalId("user_123");

const updated = await billing.updateCustomer("cus_123", {
  name: "Jane Doe",
  metadata: { company: "Acme Inc" },
});

await billing.deleteCustomer("cus_123");

interface Customer {
  id: string
  externalUserId: string
  externalOrganizationId?: string
  email?: string
  name?: string
  stripeCustomerId?: string
  metadata?: Record<string, any>
  createdAt: Date
  updatedAt: Date
}