refactor: change notification params type from Map<String,Object> to Object (modelcontextprotocol#137)

Author: noear

mcp-solon/mcp-solon-webrx/src/main/java/io/modelcontextprotocol/server/transport/WebRxSseServerTransportProvider.java

@@ -176,7 +176,7 @@ public void setSessionFactory(McpServerSession.Factory sessionFactory) {
 	 * errors if any session fails to receive the message
 	 */
 	@Override
-	public Mono<Void> notifyClients(String method, Map<String,Object> params) {
+	public Mono<Void> notifyClients(String method, Object params) {
 		if (sessions.isEmpty()) {
 			logger.debug("No active sessions to broadcast message to");
 			return Mono.empty();