feat: add built-in agent(general-purpose)

packages/core/src/tools/task.test.ts

@@ -96,7 +96,7 @@ describe('TaskTool', () => {
     it('should initialize with correct name and properties', () => {
       expect(taskTool.name).toBe('task');
       expect(taskTool.displayName).toBe('Task');
-      expect(taskTool.kind).toBe('execute');
+      expect(taskTool.kind).toBe('other');
     });
 
     it('should load available subagents during initialization', () => {

packages/core/src/tools/task.ts

@@ -70,7 +70,7 @@ export class TaskTool extends BaseDeclarativeTool<TaskParams, ToolResult> {
       TaskTool.Name,
       'Task',
       'Delegate tasks to specialized subagents. Loading available subagents...', // Initial description
-      Kind.Execute,
+      Kind.Other,
       initialSchema,
       true, // isOutputMarkdown
       true, // canUpdateOutput - Enable live output updates for real-time progress