This is a static React TSX frontend project with no build system.

deno check

deno lint

deno fmt

deno task dev  # if defined in deno.json
# or serve locally:
python -m http.server 8000

No test framework configured. For manual testing:

• Open index.html in browser
• Test form submission functionality
• Verify transport field toggling
• Test React state management

• Language: TypeScript with TSX (React components)
• Runtime: Deno (Val Town environment)
• Framework: React 18.2.0 with pinned versions
• Styling: TailwindCSS via CDN
• Imports: Use https://esm.sh for external dependencies

• JSX Transform: /** @jsxImportSource https://esm.sh/react@18.2.0 */
• React Version: All dependencies pinned to 18.2.0
• State Management: React useState hooks
• Styling: TailwindCSS classes (no CSS modules)

• strict: true - All strict checks enabled
• noImplicitAny: false - Explicit any types allowed but discouraged
• Include Val Town types: "https://www.val.town/types/valtown.d.ts"
• DOM and Deno libraries available

• Files: camelCase for TSX files (App.tsx, index.tsx)
• Components: PascalCase (App, ServerConfig)
• Variables: camelCase
• Functions: camelCase, descriptive names
• Types/Interfaces: PascalCase
• Constants: UPPER_SNAKE_CASE
• Props: camelCase

• Components: Functional components with hooks
• State: useState for local component state
• Events: React event handlers (e.g., onChange, onSubmit)
• Props: TypeScript interfaces for component props
• Styling: TailwindCSS utility classes

• Use const by default, let only when reassignment needed
• Prefer arrow functions for callbacks
• Add TypeScript types for all data structures and props
• Handle errors gracefully with user-friendly messages
• Avoid any types - use proper interfaces
• Keep components small and focused
• Use modern ES6+ features and React patterns

• Never bake secrets into code
• Use environment variables: Deno.env.get('VAR_NAME')
• Validate and sanitize user inputs
• Use HTTPS for external requests

• No Node.js APIs available
• Use Val Town standard libraries when needed
• Follow Val Town platform limitations and gotchas
• HTML file serves as no-JS fallback

├── index.html          # No-JS fallback with React app container
├── index.tsx           # React app entry point
├── App.tsx             # Main React component
├── deno.json           # Deno configuration
├── AGENTS.md           # Val Town development guidelines
├── CRUSH.md            # This file
├── skills/             # Development skills documentation
│   └── val-town-development.md
└── .gitignore          # Git ignore rules
```</content>
<parameter name="file_path">CRUSH.md