✨ 新增几大中心功能

server/model/app/app_user_activity.go

@@ -0,0 +1,16 @@
+package app
+
+import "time"
+
+// AppUserActivity 玩家登录与活跃信息
+type AppUserActivity struct {
+	ID           uint       `json:"id" gorm:"primaryKey"`
+	AppUserID    uint       `json:"appUserId" gorm:"uniqueIndex;not null"`
+	LastLoginAt  *time.Time `json:"lastLoginAt" gorm:"index"`
+	LastActiveAt *time.Time `json:"lastActiveAt" gorm:"index"`
+	LastActiveIP string     `json:"lastActiveIp" gorm:"size:64"`
+	CreatedAt    time.Time  `json:"createdAt"`
+	UpdatedAt    time.Time  `json:"updatedAt"`
+}
+
+func (AppUserActivity) TableName() string { return "app_user_activity" }