Minor fixes

Author: kabir

spec/src/main/java/io/a2a/spec/A2AErrorCodes.java

@@ -8,16 +8,19 @@
  * All the error codes for A2A errors.
  */
 public interface A2AErrorCodes {
-    final int CONTENT_TYPE_NOT_SUPPORTED_ERROR_CODE = -32005;
-    final int INTERNAL_ERROR_CODE = -32603;
-    final int INVALID_AGENT_RESPONSE_ERROR_CODE = -32006;
-    final int INVALID_PARAMS_ERROR_CODE = -32602;
-    final int JSON_PARSE_ERROR_CODE = -32700;
-    final int INVALID_REQUEST_ERROR_CODE = -32600;
-    final int METHOD_NOT_FOUND_ERROR_CODE = -32601;
-    final int PUSH_NOTIFICATION_NOT_SUPPORTED_ERROR_CODE = -32003;
-    final int UNSUPPORTED_OPERATION_ERROR_CODE = -32004;
-    final int TASK_NOT_CANCELABLE_ERROR_CODE = -32002;
-    final int TASK_NOT_FOUND_ERROR_CODE = -32001;
-    final int AUTHENTICATED_EXTENDED_CARD_NOT_CONFIGURED_ERROR_CODE = -32007;
+
+    int TASK_NOT_FOUND_ERROR_CODE = -32001;
+    int TASK_NOT_CANCELABLE_ERROR_CODE = -32002;
+    int PUSH_NOTIFICATION_NOT_SUPPORTED_ERROR_CODE = -32003;
+    int UNSUPPORTED_OPERATION_ERROR_CODE = -32004;
+    int CONTENT_TYPE_NOT_SUPPORTED_ERROR_CODE = -32005;
+    int INVALID_AGENT_RESPONSE_ERROR_CODE = -32006;
+    int AUTHENTICATED_EXTENDED_CARD_NOT_CONFIGURED_ERROR_CODE = -32007;
+
+    int INVALID_REQUEST_ERROR_CODE = -32600;
+    int METHOD_NOT_FOUND_ERROR_CODE = -32601;
+    int INVALID_PARAMS_ERROR_CODE = -32602;
+    int INTERNAL_ERROR_CODE = -32603;
+
+    int JSON_PARSE_ERROR_CODE = -32700;
 }

spec/src/main/java/io/a2a/spec/GetTaskRequest.java

@@ -57,7 +57,7 @@ public GetTaskRequest(Object id, TaskQueryParams params) {
     public static class Builder {
         private String jsonrpc;
         private Object id;
-        private String method = "GetTask";
+        private String method = METHOD;
         private TaskQueryParams params;
 
         public GetTaskRequest.Builder jsonrpc(String jsonrpc) {