simplify user entity defaults

Author: benbjurstrom

src/PasskeyAuthenticatable.php

@@ -39,23 +39,21 @@ public function hasPasskeysEnabled(): bool
      */
     public function getPasskeyUserHandle(): string
     {
-        if (isset($this->passkey_user_handle) && ! empty($this->passkey_user_handle)) {
-            return $this->passkey_user_handle;
-        }
-
         return (string) $this->getKey();
     }
 
     /**
      * Get the display name for WebAuthn registration.
+     * Shown in the authenticator UI as a human-friendly name.
      */
     public function getPasskeyDisplayName(): string
     {
-        return $this->name ?? $this->email;
+        return $this->email;
     }
 
     /**
      * Get the username for WebAuthn registration.
+     * Used as the account identifier in the authenticator UI.
      */
     public function getPasskeyUsername(): string
     {

tests/Feature/Actions/GenerateRegistrationOptionsTest.php

@@ -14,7 +14,7 @@
 
     expect($options)->toBeInstanceOf(PublicKeyCredentialCreationOptions::class);
     expect($options->user->name)->toBe('john@example.com');
-    expect($options->user->displayName)->toBe('John Doe');
+    expect($options->user->displayName)->toBe('john@example.com');
 });
 
 it('excludes existing credentials from registration', function () {