Pricing App Frontend - React + Zustand + CSS Modules

CRITICAL RULES - NON-NEGOTIABLE

React Imports

• ALWAYS: import { useState, useEffect } from 'react'
• NEVER: import React from 'react' or import * as React

Components

• ALWAYS: Functional components with hooks
• ALWAYS: Named imports for hooks
• ALWAYS: Prop destructuring: function Button({ label, onClick })
• NEVER: Class components
• NEVER: Default export for multiple components in same file