infra: add test, typecheck, and lint scripts

README.md

@@ -55,10 +55,14 @@ npm run build        # Build the application for production
 npm start            # Run the compiled production build locally
 
 # Code Quality & Formatting
-npm run lint         # Check code style with Prettier
+npm run lint         # Lint source files with ESLint
+npm run lint:format  # Check code style with Prettier (without auto-fixing)
 npm run format       # Format codebase style automatically using Prettier
+npm run typecheck    # Run TypeScript compiler check without emitting files
 
 # Testing & Audits
+npm test             # Run unit tests with Jest
+npm run test:watch   # Run Jest in watch mode
 npm run test:e2e     # Run end-to-end integration tests using Playwright
 npm run audit:a11y   # Build application and perform an accessibility (a11y) audit via axe-playwright
 

package.json

@@ -6,10 +6,14 @@
     "dev": "next dev",
     "build": "next build",
     "start": "next start",
-    "lint": "prettier --check .",
+    "lint": "eslint .",
+    "lint:format": "prettier --check .",
     "audit:a11y": "next build && npx axe-playwright",
     "format": "prettier --write .",
+    "test": "jest",
+    "test:watch": "jest --watch",
     "test:e2e": "playwright test",
+    "typecheck": "tsc --noEmit",
     "prepare": "husky",
     "analyze": "ANALYZE=true next build"
   },