fix(ui): admin logout button visibility

[0xbigtang]

Pull Request - Frontend | 前端 PR

💡 提示 Tip: 推荐 PR 标题格式 type(scope): description
例如: feat(ui): add dark mode toggle | fix(form): resolve validation bug

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📝 Description | 描述

English: Restore the logout control in admin mode so administrators can sign out from the HeaderBar again.
中文： 恢复管理员模式下的登出按钮，确保登录管理员能够在 HeaderBar 中正常退出登录。

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🎯 Type of Change | 变更类型

• 🐛 Bug fix | 修复 Bug
• ✨ New feature | 新功能
• 💥 Breaking change | 破坏性变更
• 🎨 Code style update | 代码样式更新
• ♻️ Refactoring | 重构
• ⚡ Performance improvement | 性能优化

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🔗 Related Issues | 相关 Issue

• Closes # | 关闭 #
• Related to # | 相关 #

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📋 Changes Made | 具体变更

English: ｜ 中文：

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📸 Screenshots / Demo | 截图/演示

Before | 变更前:

After | 变更后:

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🧪 Testing | 测试

Test Environment | 测试环境

• OS | 操作系统:
• Node Version | Node 版本:
• Browser(s) | 浏览器:

Manual Testing | 手动测试

• Tested in development mode | 开发模式测试通过
• Tested production build | 生产构建测试通过
• [x ] Tested on multiple browsers | 多浏览器测试通过
• Tested responsive design | 响应式设计测试通过
• Verified no existing functionality broke | 确认没有破坏现有功能

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🌐 Internationalization | 国际化

• All user-facing text supports i18n | 所有面向用户的文本支持国际化
• Both English and Chinese versions provided | 提供了中英文版本
• N/A | 不适用

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✅ Checklist | 检查清单

Code Quality | 代码质量

• Code follows project style | 代码遵循项目风格
• Self-review completed | 已完成代码自查
• Comments added for complex logic | 已添加必要注释
• Code builds successfully | 代码构建成功 (npm run build)
• Ran npm run lint | 已运行 npm run lint
• No console errors or warnings | 无控制台错误或警告

Testing | 测试

• Component tests added/updated | 已添加/更新组件测试
• Tests pass locally | 测试在本地通过

Documentation | 文档

• Updated relevant documentation | 已更新相关文档
• Updated type definitions (TypeScript) | 已更新类型定义
• Added JSDoc comments where necessary | 已添加 JSDoc 注释

Git

• Commits follow conventional format | 提交遵循 Conventional Commits 格式
• Rebased on latest dev branch | 已 rebase 到最新 dev 分支
• No merge conflicts | 无合并冲突

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📚 Additional Notes | 补充说明

English: ｜ 中文：

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By submitting this PR, I confirm | 提交此 PR，我确认：

• I have read the Contributing Guidelines | 已阅读贡献指南
• I agree to the Code of Conduct | 同意行为准则
• My contribution is licensed under AGPL-3.0 | 贡献遵循 AGPL-3.0 许可证

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🌟 Thank you for your contribution! | 感谢你的贡献！

[github-actions]

🤖 Advisory Check Results

These are advisory checks to help improve code quality. They won't block your PR from being merged.

📋 PR Information

Title Format: ✅ Good - Follows Conventional Commits
PR Size: 🟢 Small (4 lines: +2 -2)

🔧 Backend Checks

Go Formatting: ⚠️ Needs formatting

Files needing formatting

api/server.go
decision/engine.go
logger/telegram_sender.go
mcp/client.go
trader/aster_trader.go
trader/auto_trader.go
trader/binance_futures.go
trader/hyperliquid_trader.go

Go Vet: ✅ Good
Tests: ✅ Passed

Fix locally:

go fmt ./...      # Format code
go vet ./...      # Check for issues
go test ./...     # Run tests

⚛️ Frontend Checks

Build & Type Check: ✅ Success

Fix locally:

cd web
npm run build  # Test build (includes type checking)

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📖 Resources

• Contributing Guidelines
• Migration Guide

Questions? Feel free to ask in the comments! 🙏

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These checks are advisory and won't block your PR from being merged. This comment is automatically generated from pr-checks-run.yml.

[SkywalkerJi]

感谢PR，已经合并。