{
  "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": "用户付费是为了得到音频文件",
    "solution": "按音频时长计费，包月=批发价，按量=零售价"
  },
  "billing_model": {
    "unit": "音频时长（分钟）",
    "formula": "生成费用 = 音频时长 × 单价",
    "speaking_rate": 150,
    "cost_per_minute": 4.0,
    "pricing_strategy": {
      "monthly": "包月批发价 ¥5/分钟（30%利润）",
      "pay_as_you_go": "按量零售价 ¥8/分钟（100%利润）"
    }
  },
  "pricing_plan": {
    "last_updated": "2026-04-12",
    "billing_unit": "audio_minutes",
    "core_pricing": {
      "cost": 4.0,
      "monthly_price": 5.0,
      "overage_price": 8.0
    },
    "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",
          "每月10分钟音频",
          "每次最多2分钟",
          "基础音色5种",
          "标准音质"
        ],
        "limits": {
          "daily_generations": 3,
          "per_generation_limit": 300,
          "monthly_minutes": 10,
          "overage_enabled": false
        },
        "pricing": {
          "in_quota": "¥5/分钟",
          "overage": "不支持超出"
        }
      },
      {
        "id": 1,
        "name": "入门版",
        "price": 19,
        "price_monthly": 19,
        "price_yearly": 190,
        "description": "适合轻度使用",
        "recommended": false,
        "features": [
          "每天10次生成",
          "每月30分钟音频",
          "每次最多5分钟",
          "全部音色",
          "高清音质"
        ],
        "limits": {
          "daily_generations": 10,
          "per_generation_limit": 750,
          "monthly_minutes": 30,
          "overage_enabled": true
        },
        "pricing": {
          "in_quota": "¥5/分钟",
          "overage": "¥8/分钟"
        }
      },
      {
        "id": 2,
        "name": "专业版",
        "price": 59,
        "price_monthly": 59,
        "price_yearly": 590,
        "description": "适合内容创作者 ⭐推荐",
        "recommended": true,
        "features": [
          "无限制生成",
          "每月100分钟音频",
          "每次最多10分钟",
          "全部音色+定制音色",
          "高清音质"
        ],
        "limits": {
          "daily_generations": -1,
          "per_generation_limit": 1500,
          "monthly_minutes": 100,
          "overage_enabled": true
        },
        "pricing": {
          "in_quota": "¥5/分钟",
          "overage": "¥7/分钟"
        }
      },
      {
        "id": 3,
        "name": "旗舰版",
        "price": 199,
        "price_monthly": 199,
        "price_yearly": 1990,
        "description": "适合重度使用",
        "recommended": false,
        "features": [
          "无限制生成",
          "每月400分钟音频",
          "每次最多20分钟",
          "全部音色+定制音色",
          "高清音质",
          "VIP优先队列"
        ],
        "limits": {
          "daily_generations": -1,
          "per_generation_limit": 3000,
          "monthly_minutes": 400,
          "overage_enabled": true
        },
        "pricing": {
          "in_quota": "¥5/分钟",
          "overage": "¥6/分钟"
        }
      },
      {
        "id": 4,
        "name": "企业版",
        "price": 599,
        "price_monthly": 599,
        "price_yearly": 5990,
        "description": "适合企业用户",
        "recommended": false,
        "features": [
          "无限制生成",
          "每月1500分钟音频",
          "每次最多60分钟",
          "全部功能",
          "专属技术支持",
          "批量处理",
          "团队管理"
        ],
        "limits": {
          "daily_generations": -1,
          "per_generation_limit": 9000,
          "monthly_minutes": 1500,
          "overage_enabled": true
        },
        "pricing": {
          "in_quota": "¥5/分钟",
          "overage": "¥5/分钟"
        }
      }
    ]
  },
  "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
    },
    {
      "id": 13,
      "description": "书籍生成-预估字数API",
      "backend_test_steps": [
        "1. curl /api/book-generator/langgraph/estimate?scale=标准教程 - 获取预估 ✅",
        "2. 验证返回预估字数和音频时长 ✅",
        "3. 验证支持所有书籍规模 ✅"
      ],
      "frontend_test_steps": [
        "1. 打开书籍创建页面 ✅",
        "2. 选择不同规模验证预估更新 ✅",
        "3. 验证预估显示正确 ✅"
      ],
      "status": "done",
      "passes": true
    },
    {
      "id": 14,
      "description": "书籍生成-配额检查API",
      "backend_test_steps": [
        "1. curl /api/subscription/book-generation-quota?scale=标准教程 - 检查配额 ✅",
        "2. 验证返回允许/禁止状态 ✅",
        "3. 验证返回预估费用信息 ✅"
      ],
      "frontend_test_steps": [
        "1. 打开书籍创建页面 ✅",
        "2. 选择规模后显示配额检查结果 ✅",
        "3. 额度不足时显示警告 ✅"
      ],
      "status": "done",
      "passes": true
    },
    {
      "id": 15,
      "description": "书籍生成-过程监控与中断保存",
      "backend_test_steps": [
        "1. LangGraph生成章节前检查额度 ✅",
        "2. 额度不足时标记书籍为interrupted状态 ✅",
        "3. 保存已生成章节进度 ✅",
        "4. errorMsg记录中断原因 ✅"
      ],
      "frontend_test_steps": [
        "1. 生成中显示实时配额监控 ✅",
        "2. 额度不足时显示中断提示 ✅",
        "3. 显示已生成字数和剩余额度 ✅"
      ],
      "status": "done",
      "passes": true
    }
  ]
}