refactor(core): 重命名 build agent 为 general agent

- build.ts 重命名为 general.ts
- buildAgent 重命名为 generalAgent
- 更新相关导出和测试

packages/core/tests/unit/agent/presets/index.test.ts

@@ -6,7 +6,6 @@ import {
   generalAgent,
   exploreAgent,
   codeReviewerAgent,
-  buildAgent,
   planAgent,
   visionAgent,
 } from '../../../../src/agent/presets/index.js';
@@ -14,7 +13,7 @@ import {
 describe('Agent Presets - 预设 Agent', () => {
   describe('presetAgents 集合', () => {
     it('包含所有预设 Agent', () => {
-      expect(Object.keys(presetAgents)).toHaveLength(8); // includes summary and guide agent
+      expect(Object.keys(presetAgents)).toHaveLength(7); // general, explore, code-reviewer, plan, vision, summary, guide
     });
 
     it('包含 general Agent', () => {
@@ -32,11 +31,6 @@ describe('Agent Presets - 预设 Agent', () => {
       expect(presetAgents['code-reviewer']).toBe(codeReviewerAgent);
     });
 
-    it('包含 build Agent', () => {
-      expect(presetAgents['build']).toBeDefined();
-      expect(presetAgents['build']).toBe(buildAgent);
-    });
-
     it('包含 plan Agent', () => {
       expect(presetAgents['plan']).toBeDefined();
       expect(presetAgents['plan']).toBe(planAgent);
@@ -55,7 +49,6 @@ describe('Agent Presets - 预设 Agent', () => {
       expect(names).toContain('general');
       expect(names).toContain('explore');
       expect(names).toContain('code-reviewer');
-      expect(names).toContain('build');
       expect(names).toContain('plan');
       expect(names).toContain('vision');
     });
@@ -67,7 +60,7 @@ describe('Agent Presets - 预设 Agent', () => {
 
     it('返回正确数量', () => {
       const names = getPresetAgentNames();
-      expect(names).toHaveLength(8); // general, explore, code-reviewer, build, plan, vision, summary, guide
+      expect(names).toHaveLength(7); // general, explore, code-reviewer, plan, vision, summary, guide
     });
   });
 
@@ -84,10 +77,6 @@ describe('Agent Presets - 预设 Agent', () => {
       expect(isPresetAgent('code-reviewer')).toBe(true);
     });
 
-    it('识别 build', () => {
-      expect(isPresetAgent('build')).toBe(true);
-    });
-
     it('识别 plan', () => {
       expect(isPresetAgent('plan')).toBe(true);
     });
@@ -115,12 +104,8 @@ describe('Agent Presets - 预设 Agent', () => {
       expect(generalAgent.description).toContain('通用');
     });
 
-    it('mode 为 subagent', () => {
-      expect(generalAgent.mode).toBe('subagent');
-    });
-
-    it('禁止嵌套 Task', () => {
-      expect(generalAgent.tools?.noTask).toBe(true);
+    it('mode 为 primary（主模式）', () => {
+      expect(generalAgent.mode).toBe('primary');
     });
 
     it('使用默认 maxSteps（未设置具体值）', () => {
@@ -149,16 +134,6 @@ describe('Agent Presets - 预设 Agent', () => {
     });
   });
 
-  describe('buildAgent - 构建 Agent', () => {
-    it('有描述', () => {
-      expect(buildAgent.description).toBeDefined();
-    });
-
-    it('mode 为 primary（主模式）', () => {
-      expect(buildAgent.mode).toBe('primary');
-    });
-  });
-
   describe('planAgent - 计划 Agent', () => {
     it('有描述', () => {
       expect(planAgent.description).toBeDefined();