Funktionen: Bestellschutz, serialisiertes markPaid, idx_session

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

scripts/setup-abo-collections.mjs

@@ -276,6 +276,7 @@ await ensureCollection(
     { key: 'idx_customer', type: 'key', attributes: ['customerId'] },
     { key: 'idx_state', type: 'key', attributes: ['state'] },
     { key: 'idx_sitekey', type: 'unique', attributes: ['siteKey'] },
+    { key: 'idx_session', type: 'key', attributes: ['stripeSessionId'] },
   ]
 )