package model

import "time"

// ConversationVersionLog 会话版本日志（用于增量同步）
type ConversationVersionLog struct {
	ID             uint      `gorm:"primaryKey;autoIncrement"`
	UserID         string    `gorm:"not null;size:36;index:idx_vlog_user_version,priority:1"`
	ConversationID string    `gorm:"not null;size:20;index:idx_vlog_conv"`
	Version        int64     `gorm:"not null;index:idx_vlog_user_version,priority:2"`
	ChangeType     string    `gorm:"not null;type:varchar(20)"` // new_msg, read, pin, unpin, mute, unmute, hide, group_update
	CreatedAt      time.Time `gorm:"autoCreateTime"`
}