fix(contextGatherer): cannot read properties of undefined reading forEach (#789)

.changeset/rotten-months-brake.md

@@ -0,0 +1,5 @@
+---
+"task-master-ai": patch
+---
+
+Fix contextGatherer bug when adding a task `Cannot read properties of undefined (reading 'forEach')`

scripts/modules/utils/contextGatherer.js

@@ -123,7 +123,7 @@ export class ContextGatherer {
 
 		// Dependency Graph Analysis
 		if (dependencyTasks.length > 0) {
-			const dependencyResults = this._buildDependencyContext(dependencyTasks);
+			const dependencyResults = this._buildDependencyGraphs(dependencyTasks);
 			dependencyResults.allRelatedTaskIds.forEach((id) =>
 				finalTaskIds.add(String(id))
 			);