fix: wip

packages/lib/server-only/recipient/update-envelope-recipients.ts

@@ -14,6 +14,7 @@ import { mapFieldToLegacyField } from '../../utils/fields';
 import { canRecipientBeModified } from '../../utils/recipients';
 import { assertEnvelopeMutable } from '../envelope/assert-envelope-mutable';
 import { getEnvelopeWhereInput } from '../envelope/get-envelope-by-id';
+import { assertCompatibleRecipientGrouping } from '../signature-level/assert-compatible-recipient-grouping';
 import { assertCompatibleRecipientRole } from '../signature-level/assert-compatible-recipient-role';
 
 export interface UpdateEnvelopeRecipientsOptions {
@@ -99,6 +100,17 @@ export const updateEnvelopeRecipients = async ({
     });
   }
 
+  // Grouping is a property of the whole recipient set, so check the state the
+  // envelope will be left in once these updates are applied.
+  assertCompatibleRecipientGrouping({
+    signatureLevel: envelope.signatureLevel,
+    recipients: envelope.recipients.map((existingRecipient) => {
+      const update = recipients.find((recipient) => recipient.id === existingRecipient.id);
+
+      return update ? { ...existingRecipient, ...update } : existingRecipient;
+    }),
+  });
+
   const recipientsToUpdate = recipients.map((recipient) => {
     const originalRecipient = envelope.recipients.find((existingRecipient) => existingRecipient.id === recipient.id);