GitHub Copilot TypeScript

# GitHub Copilot TypeScript Rules

## Type Safety
- Enable strict mode
- Avoid any type
- Use generics appropriately
- Define proper interfaces

## Documentation
- Use JSDoc comments
- Document public APIs
- Include usage examples
- Explain complex types

## Patterns
- Use discriminated unions
- Implement type guards
- Leverage utility types
- Create reusable type helpers

## Project Setup
```json
{
  "compilerOptions": {
    "strict": true,
    "noUncheckedIndexedAccess": true,
    "exactOptionalPropertyTypes": true
  }
}
```