Add tsc --noEmit type-check and Prettier formatting check to CI pipeline

[Jagadeeshftw]

Description

The CI pipeline lacks a TypeScript type-check step (tsc --noEmit) and a Prettier formatting check. Type errors only surface during build, and formatting inconsistencies slip into the codebase silently. Both checks must be added as early CI gates that run on every pull request before the test suite, to catch issues cheaply.

Requirements and context

• Add a typecheck script in package.json that runs tsc --noEmit --project tsconfig.json
• Add a format:check script that runs prettier --check "src/**/*.ts" "tests/**/*.ts"
• Add corresponding CI steps in the workflow file (.github/workflows/ci.yml) running before pnpm test
• Must be secure, tested, and documented
• Should be efficient and easy to review

Suggested execution

Fork the repo and create a branch

git checkout -b feature/ci-typecheck-prettier

Implement changes

• Update/Write: package.json — add typecheck and format:check scripts
• Update/Write: .github/workflows/ci.yml — add typecheck and format-check steps
• Update/Write: .prettierrc — confirm or create Prettier config consistent with existing style
• Write comprehensive tests: N/A (CI configuration change; validate by triggering workflow)
• Add documentation: CONTRIBUTING.md — document how to run type-check and format-check locally
• Include clear code comments and types
• Validate security assumptions

Test and commit

• Run tests: pnpm test (or pnpm test:coverage)
• Cover edge cases: intentional type error caught by typecheck, intentional format violation caught by format:check, both pass on clean codebase
• Include test output and security notes

Example commit message

ci: add tsc --noEmit type-check and Prettier format-check gates

Guidelines

• Minimum 95 percent test coverage
• Clear documentation
• Timeframe: 96 hours