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Development Guide for LLM-Chats

Commands

npm run dev - Start development server
npm run build - Build for production
npm run lint - Run ESLint and Prettier checks
npm run format - Fix formatting with Prettier
npm run test - Run all tests
npm run test:unit - Run unit tests with Vitest
npm test:integration - Run integration tests with Playwright
npx vitest src/path/to/file.test.js - Run a single test file

Code Style

Use tabs for indentation
Use single quotes for strings
No trailing commas
100 character line width
ES modules (import/export)
Group imports: external libraries first, then internal ($lib/)
Async/await for asynchronous operations
Prefer destructuring for clean parameter passing
Use semantic naming and camelCase
Proper error handling with try/catch blocks where appropriate

Technologies

SvelteKit with Tailwind CSS
Firebase/Firestore for database
ESLint/Prettier for linting and formatting
Vitest for unit testing
Playwright for integration testing