feat: 新增多密码验证支持及架构文档

refactor: 重构用户模型和密码验证逻辑
feat(epay): 添加支付类型支持
docs: 添加安装和配置指南文档
fix: 修复优惠券过期检查逻辑
perf: 优化设备解绑缓存清理流程
test: 添加密码验证测试用例
chore: 更新依赖版本

internal/types/types.go

@@ -178,15 +178,6 @@ type BatchSendEmailTask struct {
 	UpdatedAt         int64  `json:"updated_at"`
 }
 
-type BindEmailWithPasswordRequest struct {
-	Email    string `json:"email" validate:"required"`
-	Password string `json:"password" validate:"required"`
-}
-
-type BindInviteCodeRequest struct {
-	InviteCode string `json:"invite_code" validate:"required"`
-}
-
 type BindOAuthCallbackRequest struct {
 	Method   string      `json:"method"`
 	Callback interface{} `json:"callback"`
@@ -201,6 +192,10 @@ type BindOAuthResponse struct {
 	Redirect string `json:"redirect"`
 }
 
+type BindInviteCodeRequest struct {
+	InviteCode string `json:"invite_code" validate:"required"`
+}
+
 type BindTelegramResponse struct {
 	Url       string `json:"url"`
 	ExpiredAt int64  `json:"expired_at"`
@@ -1179,7 +1174,6 @@ type InviteConfig struct {
 	ForcedInvite       bool  `json:"forced_invite"`
 	ReferralPercentage int64 `json:"referral_percentage"`
 	OnlyFirstPurchase  bool  `json:"only_first_purchase"`
-	GiftDays           int64 `json:"gift_days"`
 }
 
 type KickOfflineRequest struct {
@@ -2076,8 +2070,8 @@ type SubscribeConfig struct {
 }
 
 type SubscribeDiscount struct {
-	Quantity int64   `json:"quantity"`
-	Discount float64 `json:"discount"`
+	Quantity int64 `json:"quantity"`
+	Discount int64 `json:"discount"`
 }
 
 type SubscribeGroup struct {
@@ -2645,7 +2639,6 @@ type UserSubscribeNodeInfo struct {
 	Name      string   `json:"name"`
 	Uuid      string   `json:"uuid"`
 	Protocol  string   `json:"protocol"`
-	Protocols string   `json:"protocols"`
 	Port      uint16   `json:"port"`
 	Address   string   `json:"address"`
 	Tags      []string `json:"tags"`
@@ -2702,6 +2695,18 @@ type VerifyEmailRequest struct {
 	Code  string `json:"code" validate:"required"`
 }
 
+type BindEmailWithVerificationRequest struct {
+	Email string `json:"email" validate:"required"`
+	Code  string `json:"code" validate:"required"`
+}
+
+type BindEmailWithVerificationResponse struct {
+	Success bool   `json:"success"`
+	Message string `json:"message,omitempty"`
+	Token   string `json:"token,omitempty"`   // 设备关联后的新Token
+	UserId  int64  `json:"user_id,omitempty"` // 目标用户ID
+}
+
 type VersionResponse struct {
 	Version string `json:"version"`
 }