feat: add WebAuthn credential and custom data methods to LogtoManagementClient

src/main/java/net/siegeln/cameleer/saas/identity/LogtoManagementClient.java

@@ -604,6 +604,47 @@ public class LogtoManagementClient {
         }
     }
 
+    /** List WebAuthn credentials for a user (filtered from all MFA verifications). */
+    @SuppressWarnings("unchecked")
+    public List<Map<String, Object>> getWebAuthnCredentials(String userId) {
+        var all = getUserMfaVerifications(userId);
+        return all.stream()
+                .filter(v -> "WebAuthn".equals(String.valueOf(v.get("type"))))
+                .toList();
+    }
+
+    /** Rename a WebAuthn credential. Uses PATCH on the MFA verification. */
+    public void renameMfaVerification(String userId, String verificationId, String name) {
+        if (!isAvailable()) return;
+        try {
+            restClient.patch()
+                .uri(config.getLogtoEndpoint() + "/api/users/" + userId + "/mfa-verifications/" + verificationId)
+                .header("Authorization", "Bearer " + getAccessToken())
+                .contentType(MediaType.APPLICATION_JSON)
+                .body(Map.of("name", name))
+                .retrieve()
+                .toBodilessEntity();
+        } catch (Exception e) {
+            log.warn("Failed to rename MFA verification {} for user {}: {}", verificationId, userId, e.getMessage());
+        }
+    }
+
+    /** Update user custom data (partial merge). Used for mfa_method_preference. */
+    public void updateUserCustomData(String userId, Map<String, Object> customData) {
+        if (!isAvailable()) return;
+        try {
+            restClient.patch()
+                .uri(config.getLogtoEndpoint() + "/api/users/" + userId + "/custom-data")
+                .header("Authorization", "Bearer " + getAccessToken())
+                .contentType(MediaType.APPLICATION_JSON)
+                .body(customData)
+                .retrieve()
+                .toBodilessEntity();
+        } catch (Exception e) {
+            log.warn("Failed to update custom data for user {}: {}", userId, e.getMessage());
+        }
+    }
+
     /** Update a user's profile fields (e.g. name). */
     public void updateUserProfile(String userId, Map<String, Object> profile) {
         if (!isAvailable()) throw new IllegalStateException("Logto not configured");