feat: add batch check attribute

Author: jimmyjames

src/main/java/dev/openfga/sdk/api/OpenFgaApi.java

@@ -1149,6 +1149,15 @@ private Map<Attribute, String> buildTelemetryAttributes(Map<String, Object> attr
                             Attributes.FGA_CLIENT_REQUEST_MODEL_ID, writeRequest.getAuthorizationModelId());
                 }
             }
+
+            if (body instanceof BatchCheckRequest) {
+                BatchCheckRequest batchCheckRequest = (BatchCheckRequest) body;
+
+                if (batchCheckRequest.getChecks() != null) {
+                    telemetryAttributes.put(
+                            Attributes.FGA_CLIENT_REQUEST_BATCH_CHECK_SIZE, String.valueOf(batchCheckRequest.getChecks().size()));
+                }
+            }
         }
 
         return telemetryAttributes;

src/main/java/dev/openfga/sdk/telemetry/Attributes.java

@@ -38,6 +38,8 @@ public class Attributes {
      */
     public static final Attribute FGA_CLIENT_REQUEST_STORE_ID = new Attribute("fga-client.request.store_id");
 
+    public static final Attribute FGA_CLIENT_REQUEST_BATCH_CHECK_SIZE = new Attribute("fga-client.request.batch_check_size");
+
     /**
      * The authorization model ID used by the server when evaluating the request, if applicable.
      */