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>

packages/builtin-tools/src/tools/SendMessageTool/UI.tsx

@@ -0,0 +1,40 @@
+import React from 'react'
+import { MessageResponse } from 'src/components/MessageResponse.js'
+import { Text } from '@anthropic/ink'
+import { jsonParse } from 'src/utils/slowOperations.js'
+import type { Input, SendMessageToolOutput } from './SendMessageTool.js'
+
+export function renderToolUseMessage(input: Partial<Input>): React.ReactNode {
+  if (typeof input.message !== 'object' || input.message === null) {
+    return null
+  }
+  if (input.message.type === 'plan_approval_response') {
+    return input.message.approve
+      ? `approve plan from: ${input.to}`
+      : `reject plan from: ${input.to}`
+  }
+  return null
+}
+
+export function renderToolResultMessage(
+  content: SendMessageToolOutput | string,
+  _progressMessages: unknown,
+  { verbose }: { verbose: boolean },
+): React.ReactNode {
+  const result: SendMessageToolOutput =
+    typeof content === 'string' ? jsonParse(content) : content
+
+  if ('routing' in result && result.routing) {
+    return null
+  }
+
+  if ('request_id' in result && 'target' in result) {
+    return null
+  }
+
+  return (
+    <MessageResponse>
+      <Text dimColor>{result.message}</Text>
+    </MessageResponse>
+  )
+}