Funktionen/News: Schlussdurchgang (Webhook-Retry, Checkout-Sitzung, Rechnungslink, Widerruf Funktion, UI- und Rechtstext-Korrekturen)

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

test/support/fakeStripe.js

@@ -314,10 +314,22 @@ export async function startFakeStripe() {
         subscription: null,
         metadata: data.metadata || {},
         subscription_data: data.subscription_data || {},
+        status: 'open',
+        payment_status: 'unpaid',
+        invoice: null,
       }
       checkoutSessions.set(id, obj)
       return [200, obj]
     }
+    // Sitzung abrufen (Funktions-Checkout); expand=invoice ersetzt die Rechnungs-ID durch das Objekt.
+    // Tests setzen status/payment_status/invoice direkt im Objekt aus st.checkoutSessions.
+    if (method === 'GET' && (m = path.match(/^\/v1\/checkout\/sessions\/([^/]+)$/))) {
+      const found = checkoutSessions.get(m[1])
+      if (!found) return noSuch('checkout.session', m[1])
+      const expandInvoice = [...query.entries()].some(([k, v]) => k.startsWith('expand') && v === 'invoice')
+      const inv = typeof found.invoice === 'string' ? invoices.get(found.invoice) : null
+      return [200, expandInvoice && inv ? { ...found, invoice: inv } : found]
+    }
     if (method === 'GET' && path === '/v1/billing_portal/configurations') {
       const active = query.get('active')
       const found = [...billingPortalConfigurations.values()].filter(