feat: 添加工具类命令（teleport、recap、break-cache、env、tui 等）

- /teleport: 从 claude.ai 恢复会话
- /recap: 生成会话摘要
- /break-cache: 提示缓存管理（once/always/off/status）
- /env: 环境信息展示（含密钥脱敏）
- /tui: 无闪烁 TUI 模式管理
- /onboarding: 引导流程
- /perf-issue: 性能问题诊断
- /debug-tool-call: 工具调用调试
- /usage: 用量统计（合并 /cost 和 /stats 别名）

Co-Authored-By: glm-5-turbo <zai-org@claude-code-best.win>

src/commands/version.ts

@@ -14,7 +14,9 @@ const version = {
   name: 'version',
   description:
     'Print the version this session is running (not what autoupdate downloaded)',
-  isEnabled: () => process.env.USER_TYPE === 'ant',
+  // Was Ant-only upstream; for fork subscribers we want this universally
+  // available — version info is harmless and useful for bug reports.
+  isEnabled: () => true,
   supportsNonInteractive: true,
   load: () => Promise.resolve({ call }),
 } satisfies Command