快速原型师

// 使用现代快速开发工具的 Next.js 14
// package.json - 为速度优化
{
  "name": "rapid-prototype",
  "scripts": {
    "dev": "next dev",
    "build": "next build",
    "start": "next start",
    "db:push": "prisma db push",
    "db:studio": "prisma studio"
  },
  "dependencies": {
    "next": "14.0.0",
    "@prisma/client": "^5.0.0",
    "prisma": "^5.0.0",
    "@supabase/supabase-js": "^2.0.0",
    "@clerk/nextjs": "^4.0.0",
    "shadcn-ui": "latest",
    "@hookform/resolvers": "^3.0.0",
    "react-hook-form": "^7.0.0",
    "zustand": "^4.0.0",
    "framer-motion": "^10.0.0"
  }
}

// 使用 Clerk 快速设置认证
import { ClerkProvider } from '@clerk/nextjs';
import { SignIn, SignUp, UserButton } from '@clerk/nextjs';

export default function AuthLayout({ children }) {
  return (
    <ClerkProvider>
      <div className="min-h-screen bg-gray-50">
        <nav className="flex justify-between items-center p-4">
          <h1 className="text-xl font-bold">Prototype App</h1>
          <UserButton afterSignOutUrl="/" />
        </nav>
        {children}
      </div>
    </ClerkProvider>
  );
}

// 使用 Prisma + Supabase 的即时数据库
// schema.prisma
generator client {
  provider = "prisma-client-js"
}

datasource db {
  provider = "postgresql"
  url      = env("DATABASE_URL")
}

model User {
  id        String   @id @default(cuid())
  email     String   @unique
  name      String?
  createdAt DateTime @default(now())

  feedbacks Feedback[]

  @@map("users")
}

model Feedback {
  id      String @id @default(cuid())
  content String
  rating  Int
  userId  String
  user    User   @relation(fields: [userId], references: [id])

  createdAt DateTime @default(now())

  @@map("feedbacks")
}

// 使用 react-hook-form + shadcn/ui 快速创建表单
import { useForm } from 'react-hook-form';
import { zodResolver } from '@hookform/resolvers/zod';
import * as z from 'zod';
import { Button } from '@/components/ui/button';
import { Input } from '@/components/ui/input';
import { Textarea } from '@/components/ui/textarea';
import { toast } from '@/components/ui/use-toast';

const feedbackSchema = z.object({
  content: z.string().min(10, 'Feedback must be at least 10 characters'),
  rating: z.number().min(1).max(5),
  email: z.string().email('Invalid email address'),
});

export function FeedbackForm() {
  const form = useForm({
    resolver: zodResolver(feedbackSchema),
    defaultValues: {
      content: '',
      rating: 5,
      email: '',
    },
  });

  async function onSubmit(values) {
    try {
      const response = await fetch('/api/feedback', {
        method: 'POST',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify(values),
      });

      if (response.ok) {
        toast({ title: '反馈提交成功！' });
        form.reset();
      } else {
        throw new Error('Failed to submit feedback');
      }
    } catch (error) {
      toast({
        title: '错误',
        description: '反馈提交失败，请重试。',
        variant: 'destructive'
      });
    }
  }

  return (
    <form onSubmit={form.handleSubmit(onSubmit)} className="space-y-4">
      <div>
        <Input
          placeholder="Your email"
          {...form.register('email')}
          className="w-full"
        />
        {form.formState.errors.email && (
          <p className="text-red-500 text-sm mt-1">
            {form.formState.errors.email.message}
          </p>
        )}
      </div>

      <div>
        <Textarea
          placeholder="Share your feedback..."
          {...form.register('content')}
          className="w-full min-h-[100px]"
        />
        {form.formState.errors.content && (
          <p className="text-red-500 text-sm mt-1">
            {form.formState.errors.content.message}
          </p>
        )}
      </div>

      <div className="flex items-center space-x-2">
        <label htmlFor="rating">Rating:</label>
        <select
          {...form.register('rating', { valueAsNumber: true })}
          className="border rounded px-2 py-1"
        >
          {[1, 2, 3, 4, 5].map(num => (
            <option key={num} value={num}>{num} star{num > 1 ? 's' : ''}</option>
          ))}
        </select>
      </div>

      <Button
        type="submit"
        disabled={form.formState.isSubmitting}
        className="w-full"
      >
        {form.formState.isSubmitting ? 'Submitting...' : 'Submit Feedback'}
      </Button>
    </form>
  );
}

// 简单的分析和 A/B 测试设置
import { useEffect, useState } from 'react';

// 轻量级分析辅助工具
export function trackEvent(eventName: string, properties?: Record<string, any>) {
  // 发送到多个分析服务提供商
  if (typeof window !== 'undefined') {
    // Google Analytics 4
    window.gtag?.('event', eventName, properties);

    // 简单的内部跟踪
    fetch('/api/analytics', {
      method: 'POST',
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify({
        event: eventName,
        properties,
        timestamp: Date.now(),
        url: window.location.href,
      }),
    }).catch(() => {}); // 静默失败
  }
}

// 简单的 A/B 测试 hook
export function useABTest(testName: string, variants: string[]) {
  const [variant, setVariant] = useState<string>('');

  useEffect(() => {
    // 获取或创建用户 ID 以确保一致的体验
    let userId = localStorage.getItem('user_id');
    if (!userId) {
      userId = crypto.randomUUID();
      localStorage.setItem('user_id', userId);
    }

    // 基于哈希的简单分配
    const hash = [...userId].reduce((a, b) => {
      a = ((a << 5) - a) + b.charCodeAt(0);
      return a & a;
    }, 0);

    const variantIndex = Math.abs(hash) % variants.length;
    const assignedVariant = variants[variantIndex];

    setVariant(assignedVariant);

    // 跟踪分配
    trackEvent('ab_test_assignment', {
      test_name: testName,
      variant: assignedVariant,
      user_id: userId,
    });
  }, [testName, variants]);

  return variant;
}

// 在组件中使用
export function LandingPageHero() {
  const heroVariant = useABTest('hero_cta', ['Sign Up Free', 'Start Your Trial']);

  if (!heroVariant) return <div>Loading...</div>;

  return (
    <section className="text-center py-20">
      <h1 className="text-4xl font-bold mb-6">
        Revolutionary Prototype App
      </h1>
      <p className="text-xl mb-8">
        Validate your ideas faster than ever before
      </p>
      <button
        onClick={() => trackEvent('hero_cta_click', { variant: heroVariant })}
        className="bg-blue-600 text-white px-8 py-3 rounded-lg text-lg hover:bg-blue-700"
      >
        {heroVariant}
      </button>
    </section>
  );
}

# 定义要测试的核心假设
# 确定最小可行功能
# 选择快速开发技术栈
# 设置分析和反馈收集

# [项目名称] 快速原型

## 原型概述

### 核心假设
**主要假设**：[我们在解决什么用户问题？]
**成功指标**：[如何衡量验证？]
**时间线**：[开发和测试时间线]

### 最小可行功能
**核心流程**：[从开始到结束的基本用户旅程]
**功能集**：[初始验证最多 3-5 个功能]
**技术栈**：[选择的快速开发工具]

## 技术实现

### 开发技术栈
**前端**：[Next.js 14 + TypeScript + Tailwind CSS]
**后端**：[Supabase/Firebase 即时后端服务]
**数据库**：[PostgreSQL + Prisma ORM]
**认证**：[Clerk/Auth0 即时用户管理]
**部署**：[Vercel 零配置部署]

### 功能实现
**用户认证**：[带社交登录选项的快速设置]
**核心功能**：[支持假设的主要功能]
**数据收集**：[表单和用户互动跟踪]
**分析设置**：[事件跟踪和用户行为监控]

## 验证框架

### A/B 测试设置
**测试场景**：[正在测试什么变体？]
**成功标准**：[什么指标表示成功？]
**样本量**：[达到统计显著性需要多少用户？]

### 反馈收集
**用户访谈**：[用户反馈的安排和格式]
**应用内反馈**：[集成的反馈收集系统]
**分析跟踪**：[关键事件和用户行为指标]

### 迭代计划
**每日回顾**：[每天检查哪些指标]
**每周调整**：[何时以及如何根据数据进行调整]
**成功阈值**：[何时从原型转向生产]

---
**快速原型师**：[你的名字]
**原型日期**：[日期]
**状态**：准备进行用户测试和验证
**下一步**：[基于初始反馈的具体行动]