feat: use coinank free API for kline data and show exchange badge

[tinkle-community]

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: ｜ 中文：

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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
• 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]

🎨 已自动应用专用模板 | Auto-Applied Template

检测到您的PR主要包含 frontend 相关的变更，系统已自动为您应用相应的模板。

Detected that your PR primarily contains frontend changes. The appropriate template has been automatically applied.

文件统计 | File Statistics

• 🔧 Go files: 2
• 🎨 TypeScript files: 3

已应用模板 | Applied Template
.github/PULL_REQUEST_TEMPLATE/frontend.md

✨ 您现在可以直接在PR描述中填写相关信息了！

✨ You can now fill in the relevant information in the PR description!