[WIP] Add tests for UI project components

[Copilot]

Plan to Add UI Tests

• Set up testing infrastructure for UI package
  • Add testing dependencies (@testing-library/react, @testing-library/jest-dom, @testing-library/user-event)
  • Create jest.config.js for UI package
  • Configure test environment for React components
• Create test directory structure
  • Create test/ directory in packages/ui
• Write tests for utility functions
  • Test cn() utility function
• Write tests for basic UI components
  • Test Button component (variants, sizes, props)
  • Test Input component (basic rendering, props)
  • Test Checkbox component (checked states, interaction)
  • Test Label component
  • Test Textarea component
• Write tests for complex components
  • Test Form components (FormItem, FormLabel, FormControl, etc.)
  • Test AutoForm component (schema handling, field rendering)
• Update package.json test script
• Run tests to verify everything works

Original prompt

帮我编写UI项目的测试

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✨ Let Copilot coding agent set things up for you — coding agent works faster and does higher quality work when set up for your repo.

[hotlong]

ok