feat: Add .taskmaster directory (#619)

mcp-server/src/tools/update-subtask.js

@@ -10,7 +10,7 @@ import {
 	withNormalizedProjectRoot
 } from './utils.js';
 import { updateSubtaskByIdDirect } from '../core/task-master-core.js';
-import { findTasksJsonPath } from '../core/utils/path-utils.js';
+import { findTasksPath } from '../core/utils/path-utils.js';
 
 /**
  * Register the update-subtask tool with the MCP server
@@ -20,7 +20,7 @@ export function registerUpdateSubtaskTool(server) {
 	server.addTool({
 		name: 'update_subtask',
 		description:
-			'Appends timestamped information to a specific subtask without replacing existing content',
+			'Appends timestamped information to a specific subtask without replacing existing content. If you just want to update the subtask status, use set_task_status instead.',
 		parameters: z.object({
 			id: z
 				.string()
@@ -44,7 +44,7 @@ export function registerUpdateSubtaskTool(server) {
 
 				let tasksJsonPath;
 				try {
-					tasksJsonPath = findTasksJsonPath(
+					tasksJsonPath = findTasksPath(
 						{ projectRoot: args.projectRoot, file: args.file },
 						log
 					);