fix: replace tool parameter inputs with root directory paths (#147)

* wip: replace tool parameter inputs with root directory paths

* fix: moved path resolving responsibility to tools

- made path in parameters to optional for AI
- internalised path resolving using session roots

* chore: update package-lock.json

* chore: fix regressions and fix CI

* fix: make projectRoot required

* fix: add-task tool

* fix: updateTask tool

* fix: remove reportProgress

* chore: cleanup

* fix: expand-task tool

* chore: remove usless logs

* fix: dependency manager logging in mcp server

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

@@ -10,6 +10,7 @@ import {
 	getProjectRootFromSession
 } from './utils.js';
 import { addSubtaskDirect } from '../core/task-master-core.js';
+import { findTasksJsonPath } from '../core/utils/path-utils.js';
 
 /**
  * Register the addSubtask tool with the MCP server
@@ -57,29 +58,48 @@ export function registerAddSubtaskTool(server) {
 				.describe('Skip regenerating task files'),
 			projectRoot: z
 				.string()
-				.optional()
-				.describe(
-					'Root directory of the project (default: current working directory)'
-				)
+				.describe('The directory of the project. Must be an absolute path.')
 		}),
-		execute: async (args, { log, session, reportProgress }) => {
+		execute: async (args, { log, session }) => {
 			try {
 				log.info(`Adding subtask with args: ${JSON.stringify(args)}`);
 
-				let rootFolder = getProjectRootFromSession(session, log);
+				// Get project root from args or session
+				const rootFolder =
+					args.projectRoot || getProjectRootFromSession(session, log);
 
-				if (!rootFolder && args.projectRoot) {
-					rootFolder = args.projectRoot;
-					log.info(`Using project root from args as fallback: ${rootFolder}`);
+				if (!rootFolder) {
+					return createErrorResponse(
+						'Could not determine project root. Please provide it explicitly or ensure your session contains valid root information.'
+					);
+				}
+
+				let tasksJsonPath;
+				try {
+					tasksJsonPath = findTasksJsonPath(
+						{ projectRoot: rootFolder, file: args.file },
+						log
+					);
+				} catch (error) {
+					log.error(`Error finding tasks.json: ${error.message}`);
+					return createErrorResponse(
+						`Failed to find tasks.json: ${error.message}`
+					);
 				}
 
 				const result = await addSubtaskDirect(
 					{
-						projectRoot: rootFolder,
-						...args
+						tasksJsonPath: tasksJsonPath,
+						id: args.id,
+						taskId: args.taskId,
+						title: args.title,
+						description: args.description,
+						details: args.details,
+						status: args.status,
+						dependencies: args.dependencies,
+						skipGenerate: args.skipGenerate
 					},
-					log,
-					{ reportProgress, mcpLog: log, session }
+					log
 				);
 
 				if (result.success) {