feat(iap/apple): 实现苹果IAP非续期订阅功能

新增苹果IAP相关接口与逻辑，包括产品列表查询、交易绑定、状态查询和恢复购买功能。移除旧的IAP验证逻辑，重构订阅系统以支持苹果IAP交易记录存储和权益计算。

- 新增/pkg/iap/apple包处理JWS解析和产品映射
- 实现GET /products、POST /attach、POST /restore和GET /status接口
- 新增apple_iap_transactions表存储交易记录
- 更新文档说明配置方式和接口规范
- 移除旧的AppleIAP验证和通知处理逻辑

internal/model/order/default.go

@@ -12,25 +12,23 @@ import (
 
 var _ Model = (*customOrderModel)(nil)
 var (
-    cacheOrderIdPrefix = "cache:order:id:"
-    cacheOrderNoPrefix = "cache:order:no:"
-    cacheOrderTradePrefix = "cache:order:trade:"
+	cacheOrderIdPrefix = "cache:order:id:"
+	cacheOrderNoPrefix = "cache:order:no:"
 )
 
 type (
-    Model interface {
-        orderModel
-        customOrderLogicModel
-    }
-    orderModel interface {
-        Insert(ctx context.Context, data *Order, tx ...*gorm.DB) error
-        FindOne(ctx context.Context, id int64) (*Order, error)
-        FindOneByOrderNo(ctx context.Context, orderNo string) (*Order, error)
-        FindOneByTradeNo(ctx context.Context, tradeNo string) (*Order, error)
-        Update(ctx context.Context, data *Order, tx ...*gorm.DB) error
-        Delete(ctx context.Context, id int64, tx ...*gorm.DB) error
-        Transaction(ctx context.Context, fn func(db *gorm.DB) error) error
-    }
+	Model interface {
+		orderModel
+		customOrderLogicModel
+	}
+	orderModel interface {
+		Insert(ctx context.Context, data *Order, tx ...*gorm.DB) error
+		FindOne(ctx context.Context, id int64) (*Order, error)
+		FindOneByOrderNo(ctx context.Context, orderNo string) (*Order, error)
+		Update(ctx context.Context, data *Order, tx ...*gorm.DB) error
+		Delete(ctx context.Context, id int64, tx ...*gorm.DB) error
+		Transaction(ctx context.Context, fn func(db *gorm.DB) error) error
+	}
 
 	customOrderModel struct {
 		*defaultOrderModel
@@ -62,14 +60,12 @@ func (m *defaultOrderModel) getCacheKeys(data *Order) []string {
 		return []string{}
 	}
 	orderIdKey := fmt.Sprintf("%s%v", cacheOrderIdPrefix, data.Id)
-    orderNoKey := fmt.Sprintf("%s%v", cacheOrderNoPrefix, data.OrderNo)
-    tradeNoKey := fmt.Sprintf("%s%v", cacheOrderTradePrefix, data.TradeNo)
-    cacheKeys := []string{
-        orderIdKey,
-        orderNoKey,
-        tradeNoKey,
-    }
-    return cacheKeys
+	orderNoKey := fmt.Sprintf("%s%v", cacheOrderNoPrefix, data.OrderNo)
+	cacheKeys := []string{
+		orderIdKey,
+		orderNoKey,
+	}
+	return cacheKeys
 }
 
 func (m *defaultOrderModel) Insert(ctx context.Context, data *Order, tx ...*gorm.DB) error {
@@ -110,20 +106,6 @@ func (m *defaultOrderModel) FindOneByOrderNo(ctx context.Context, orderNo string
 	}
 }
 
-func (m *defaultOrderModel) FindOneByTradeNo(ctx context.Context, tradeNo string) (*Order, error) {
-    OrderTradeKey := fmt.Sprintf("%s%v", cacheOrderTradePrefix, tradeNo)
-    var resp Order
-    err := m.QueryCtx(ctx, &resp, OrderTradeKey, func(conn *gorm.DB, v interface{}) error {
-        return conn.Model(&Order{}).Where("`trade_no` = ?", tradeNo).First(&resp).Error
-    })
-    switch {
-    case err == nil:
-        return &resp, nil
-    default:
-        return nil, err
-    }
-}
-
 func (m *defaultOrderModel) Update(ctx context.Context, data *Order, tx ...*gorm.DB) error {
 	old, err := m.FindOne(ctx, data.Id)
 	if err != nil && !errors.Is(err, gorm.ErrRecordNotFound) {