fix: Allow returning null from lookup

Author: elpete

models/ICredentialRepository.cfc

@@ -9,9 +9,11 @@ interface displayname="ICredentialRepository" {
 	public string function getUsernameForUserHandle( required any userHandle );
 
 	/**
+	 * `credentialId` and `userHandle` are both binary data
 	 * Returns a struct with a `publicKey` and a `signatureCount` property.
+	 * `null` if no credential is found.
 	 */
-	public struct function lookup( required any credentialId, required any userHandle );
+	public any function lookup( required any credentialId, required any userHandle );
 	/**
 	 * Returns a struct with a `userHandle`, `publicKey` and a `signatureCount` property.
 	 */

resources/examples/cborm/Passkey.cfc

@@ -140,8 +140,9 @@ component
 	/**
 	 * `credentialId` and `userHandle` are both binary data
 	 * Returns a struct with a `publicKey` and a `signatureCount` property.
+	 * `null` if no credential is found.
 	 */
-	public struct function lookup( required any credentialId, required any userHandle ) {
+	public any function lookup( required any credentialId, required any userHandle ) {
 		var passkey = this
 			.newCriteria()
 			.eq( "credentialId", arguments.credentialId )

resources/examples/quick/Passkey.cfc

@@ -83,8 +83,9 @@ component extends="quick.models.BaseEntity" accessors="true" implements="cbsecur
     /**
      * `credentialId` and `userHandle` are both binary data
      * Returns a struct with a `publicKey` and a `signatureCount` property.
+	 * `null` if no credential is found.
      */
-	public struct function lookup( required any credentialId, required any userHandle ) {
+	public any function lookup( required any credentialId, required any userHandle ) {
 		var passkey = newEntity()
 			.where( "credentialId", credentialId )
 			.where( "userId", toString( userHandle ) )