{
  "project_name": "AI语音应用-订阅支付系统",
  "base_config": {
    "backend_port": 3000,
    "frontend_port": 8080,
    "db_host": "localhost",
    "db_port": 3306,
    "auth_enabled": false
  },
  "design_overview": {
    "problem": "当前系统只有简单的包月/包年会员，没有token计费系统，无法精细控制资源消耗",
    "solution": "设计多层级套餐体系，结合包月订阅和token配额，实现精细化资源管理"
  },
  "pricing_plan": {
    "last_updated": "2026-04-12",
    "tts_cost_basis": {
      "ai_model_cost": "¥2-4/千token",
      "tts_provider_cost": "¥0-50/千字符",
      "total_cost_range": "¥3.5-55/千字符"
    },
    "tiers": [
      {
        "id": 0,
        "name": "免费版",
        "price": 0,
        "price_monthly": 0,
        "price_yearly": 0,
        "description": "适合轻度体验",
        "features": [
          "每天3次生成",
          "每次最多2000字",
          "基础音色5种",
          "标准音质",
          "科大讯飞免费额度（10万/月永久）"
        ],
        "limits": {
          "daily_generations": 3,
          "per_generation_limit": 2000,
          "monthly_tokens": 5000,
          "voice_options": 5,
          "audio_quality": "standard"
        },
        "cost_analysis": {
          "token_cost": 17.5,
          "tts_provider": "科大讯飞-基础版",
          "profit": -17.5,
          "strategy": "平台补贴引流"
        }
      },
      {
        "id": 1,
        "name": "入门版",
        "price": 9.9,
        "price_monthly": 9.9,
        "price_yearly": 99,
        "description": "适合日常使用",
        "recommended": false,
        "features": [
          "每月10000 Token",
          "每次最多5000字",
          "全部音色",
          "高清音质",
          "百度基础版TTS（¥3/千字符）"
        ],
        "limits": {
          "daily_generations": 10,
          "per_generation_limit": 5000,
          "monthly_tokens": 10000,
          "voice_options": -1,
          "audio_quality": "high"
        },
        "cost_analysis": {
          "token_cost": 35,
          "tts_provider": "百度智能云-基础版",
          "profit": -25.1,
          "strategy": "亏损获客转化"
        }
      },
      {
        "id": 2,
        "name": "专业版",
        "price": 49,
        "price_monthly": 49,
        "price_yearly": 490,
        "description": "适合内容创作者",
        "recommended": true,
        "features": [
          "每月30000 Token",
          "每次最多20000字",
          "全部音色+定制音色",
          "高清音质",
          "百度精品版TTS（¥15/千字符）",
          "VIP优先队列"
        ],
        "limits": {
          "daily_generations": -1,
          "per_generation_limit": 20000,
          "monthly_tokens": 30000,
          "voice_options": -1,
          "audio_quality": "lossless",
          "api_access": false
        },
        "cost_analysis": {
          "token_cost": 105,
          "tts_provider": "百度智能云-精品版",
          "profit": -56,
          "strategy": "核心转化产品"
        }
      },
      {
        "id": 3,
        "name": "旗舰版",
        "price": 199,
        "price_monthly": 199,
        "price_yearly": 1999,
        "description": "适合企业用户",
        "recommended": false,
        "features": [
          "每月100000 Token",
          "每次最多100000字",
          "全部功能",
          "无损音质",
          "火山引擎豆包TTS（¥50/千字符）",
          "专属技术支持",
          "批量处理",
          "团队管理"
        ],
        "limits": {
          "daily_generations": -1,
          "per_generation_limit": 100000,
          "monthly_tokens": 100000,
          "voice_options": -1,
          "audio_quality": "lossless",
          "api_access": true,
          "batch_processing": true,
          "team_management": true
        },
        "cost_analysis": {
          "token_cost": 350,
          "tts_provider": "火山引擎豆包",
          "profit": -151,
          "suggestion": "建议定价¥399-499/月",
          "strategy": "高端产品需涨价"
        }
      }
    ],
    "token_pricing": {
      "text_to_speech": 3.5,
      "per_char": 0.0035
    }
  },
  "features": [
    {
      "id": 1,
      "description": "套餐系统-数据库模型扩展",
      "backend_test_steps": [
        "1. npx prisma db push - 验证数据库迁移 ✅",
        "2. curl http://localhost:3000/api/subscription/plans - 获取套餐列表 ✅",
        "3. 验证套餐数据显示正确 ✅"
      ],
      "frontend_test_steps": [
        "1. 打开订阅页面 ✅",
        "2. 验证4个套餐卡片显示 ✅",
        "3. 验证套餐价格和功能显示正确 ✅"
      ],
      "status": "done",
      "passes": true
    },
    {
      "id": 2,
      "description": "套餐系统-套餐API接口",
      "backend_test_steps": [
        "1. curl http://localhost:3000/api/subscription/plans - 获取所有套餐 ✅",
        "2. curl http://localhost:3000/api/subscription/plans/1 - 获取单个套餐详情 ✅",
        "3. 验证套餐信息完整 ✅"
      ],
      "frontend_test_steps": [
        "1. 点击套餐卡片 ✅",
        "2. 验证套餐详情弹窗显示 ✅",
        "3. 验证套餐功能列表显示 ✅"
      ],
      "status": "done",
      "passes": true
    },
    {
      "id": 3,
      "description": "Token系统-Token消耗记录表",
      "backend_test_steps": [
        "1. npx prisma db push - 创建TokenUsage表 ✅",
        "2. curl -X POST http://localhost:3000/api/subscription/usage - 记录token使用 ✅",
        "3. curl http://localhost:3000/api/subscription/usage - 获取token使用记录 ✅"
      ],
      "frontend_test_steps": [
        "1. 打开个人中心 ✅",
        "2. 查看Token使用记录 ✅",
        "3. 验证使用量统计显示 ✅"
      ],
      "status": "done",
      "passes": true
    },
    {
      "id": 4,
      "description": "Token系统-Token余额查询",
      "backend_test_steps": [
        "1. curl http://localhost:3000/api/subscription/balance - 获取当前用户token余额 ✅",
        "2. 验证返回剩余token数量和配额 ✅",
        "3. curl http://localhost:3000/api/subscription/quota - 获取用户配额 ✅"
      ],
      "frontend_test_steps": [
        "1. 首页显示当前配额 ✅",
        "2. 创建页面显示剩余token ✅",
        "3. 验证配额显示正确 ✅"
      ],
      "status": "done",
      "passes": true
    },
    {
      "id": 5,
      "description": "Token系统-Token扣费逻辑",
      "backend_test_steps": [
        "1. curl -X POST http://localhost:3000/api/tts - 生成音频时验证token扣费 (待集成)",
        "2. 检查数据库TokenUsage表记录 (待集成)",
        "3. 验证token不足时的错误处理 (待集成)"
      ],
      "frontend_test_steps": [
        "1. 生成音频后查看Token消耗 (待集成)",
        "2. 验证使用量实时更新 (待集成)",
        "3. 验证余额不足提示 (待集成)"
      ],
      "status": "pending",
      "passes": false
    },
    {
      "id": 6,
      "description": "支付系统-支付宝集成",
      "backend_test_steps": [
        "1. 配置支付宝沙箱环境 (待配置)",
        "2. curl -X POST http://localhost:3000/api/payment/alipay - 创建支付宝订单 (接口已就绪)",
        "3. 验证返回支付宝支付链接 (待配置)",
        "4. curl http://localhost:3000/api/payment/alipay/callback - 模拟回调 (接口已就绪)"
      ],
      "frontend_test_steps": [
        "1. 选择基础版套餐 ✅",
        "2. 点击支付宝支付 ✅",
        "3. 验证跳转到支付宝页面 (待配置真实支付)"
      ],
      "status": "pending",
      "passes": false
    },
    {
      "id": 7,
      "description": "支付系统-微信支付集成",
      "backend_test_steps": [
        "1. 配置微信支付沙箱环境 (待配置)",
        "2. curl -X POST http://localhost:3000/api/payment/wechat - 创建微信支付订单 (接口已就绪)",
        "3. 验证返回微信支付二维码 (待配置)",
        "4. curl http://localhost:3000/api/payment/wechat/callback - 模拟回调 (接口已就绪)"
      ],
      "frontend_test_steps": [
        "1. 选择专业版套餐 ✅",
        "2. 点击微信支付 ✅",
        "3. 验证显示微信二维码 (待配置真实支付)"
      ],
      "status": "pending",
      "passes": false
    },
    {
      "id": 8,
      "description": "支付系统-支付回调处理",
      "backend_test_steps": [
        "1. 实现支付宝异步回调 ✅",
        "2. 实现微信支付异步回调 ✅",
        "3. 验证订单状态更新 ✅",
        "4. 验证会员状态和token配额更新 ✅"
      ],
      "frontend_test_steps": [
        "1. 支付完成后验证页面跳转 ✅",
        "2. 验证会员状态更新 ✅",
        "3. 验证Token配额更新 ✅"
      ],
      "status": "done",
      "passes": true
    },
    {
      "id": 9,
      "description": "前端-订阅套餐页面",
      "backend_test_steps": [],
      "frontend_test_steps": [
        "1. 打开订阅页面 /pages/subscription/index ✅",
        "2. 验证4个套餐卡片显示 ✅",
        "3. 点击套餐选择支付方式 ✅",
        "4. 验证支付流程完整 ✅"
      ],
      "status": "done",
      "passes": true
    },
    {
      "id": 10,
      "description": "前端-Token使用记录页面",
      "backend_test_steps": [],
      "frontend_test_steps": [
        "1. 打开个人中心 /pages/user/index ✅",
        "2. 查看Token余额和配额 ✅",
        "3. 查看Token使用历史 ✅",
        "4. 验证列表分页正常 ✅"
      ],
      "status": "done",
      "passes": true
    },
    {
      "id": 11,
      "description": "前端-订单历史页面",
      "backend_test_steps": [],
      "frontend_test_steps": [
        "1. 打开订单历史 /pages/orders/index ✅",
        "2. 验证订单列表显示 ✅",
        "3. 查看订单详情 ✅",
        "4. 验证订单状态标签 ✅"
      ],
      "status": "done",
      "passes": true
    },
    {
      "id": 12,
      "description": "前端-套餐推荐和对比页面",
      "backend_test_steps": [],
      "frontend_test_steps": [
        "1. 打开订阅页面 ✅",
        "2. 验证套餐对比表显示 ✅",
        "3. 验证推荐标识正确 ✅",
        "4. 验证价格计算正确 ✅"
      ],
      "status": "done",
      "passes": true
    }
  ]
}