feat: 工具层及 mcp 大重构 (#252)

* feat: 第一版大重构

* fix: 修复类型问题

* chore: 更新版本到 1.3.2

* Add brave as alternative WebSearchTool

* fix: 修正顺序

* fix: 修复对穷鬼模式的 auto dream 和 session memory 越过

* feat: 穷鬼模式去除 session-summary

* feat: 创建 builtin-tools 包，搬运所有工具实现

将 src/tools/ 下的全部 60 个工具目录迁移至 packages/builtin-tools/src/tools/，
内部导入路径已更新为 src/ alias 模式。

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* refactor: 更新 src/ 中所有工具引用至 builtin-tools 包，删除 src/tools/

- src/tools.ts 及 178 个 src/ 文件的 import 路径从 ./tools/ 改为 builtin-tools/tools/
- 删除 src/tools/ 整个目录（已迁移至 packages/builtin-tools/）

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* chore: 添加 builtin-tools 路径别名至 tsconfig，更新 bun.lock

- tsconfig.json 新增 builtin-tools/* 和 builtin-tools 路径映射
- 新增 packages/builtin-tools/src 至 include

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* refactor: 为 builtin-tools、mcp-client、agent-tools 添加 @claude-code-best 作用域前缀

所有包名及 import 路径统一添加 @claude-code-best/ 前缀：
- builtin-tools → @claude-code-best/builtin-tools
- mcp-client → @claude-code-best/mcp-client
- agent-tools → @claude-code-best/agent-tools

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* fix: 修复 node 环境没有 bun 的问题

---------

Co-authored-by: Eric-Guo <eric.guocz@gmail.com>
Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

src/utils/api.ts

@@ -17,23 +17,23 @@ import {
 } from 'src/services/analytics/index.js'
 import { prefetchAllMcpResources } from 'src/services/mcp/client.js'
 import type { ScopedMcpServerConfig } from 'src/services/mcp/types.js'
-import { BashTool } from 'src/tools/BashTool/BashTool.js'
-import { FileEditTool } from 'src/tools/FileEditTool/FileEditTool.js'
+import { BashTool } from '@claude-code-best/builtin-tools/tools/BashTool/BashTool.js'
+import { FileEditTool } from '@claude-code-best/builtin-tools/tools/FileEditTool/FileEditTool.js'
 import {
   normalizeFileEditInput,
   stripTrailingWhitespace,
-} from 'src/tools/FileEditTool/utils.js'
-import { FileWriteTool } from 'src/tools/FileWriteTool/FileWriteTool.js'
+} from '@claude-code-best/builtin-tools/tools/FileEditTool/utils.js'
+import { FileWriteTool } from '@claude-code-best/builtin-tools/tools/FileWriteTool/FileWriteTool.js'
 import { getTools } from 'src/tools.js'
 import type { AgentId } from 'src/types/ids.js'
 import type { z } from 'zod/v4'
 import { CLI_SYSPROMPT_PREFIXES } from '../constants/system.js'
 import { roughTokenCountEstimation } from '../services/tokenEstimation.js'
 import type { Tool, ToolPermissionContext, Tools } from '../Tool.js'
-import { AGENT_TOOL_NAME } from '../tools/AgentTool/constants.js'
-import type { AgentDefinition } from '../tools/AgentTool/loadAgentsDir.js'
-import { EXIT_PLAN_MODE_V2_TOOL_NAME } from '../tools/ExitPlanModeTool/constants.js'
-import { TASK_OUTPUT_TOOL_NAME } from '../tools/TaskOutputTool/constants.js'
+import { AGENT_TOOL_NAME } from '@claude-code-best/builtin-tools/tools/AgentTool/constants.js'
+import type { AgentDefinition } from '@claude-code-best/builtin-tools/tools/AgentTool/loadAgentsDir.js'
+import { EXIT_PLAN_MODE_V2_TOOL_NAME } from '@claude-code-best/builtin-tools/tools/ExitPlanModeTool/constants.js'
+import { TASK_OUTPUT_TOOL_NAME } from '@claude-code-best/builtin-tools/tools/TaskOutputTool/constants.js'
 import type { Message } from '../types/message.js'
 import { isAgentSwarmsEnabled } from './agentSwarmsEnabled.js'
 import {