package entity import ( "time" ) type AIChatMessages struct { ID uint `json:"id" gorm:"primaryKey;type:int4;autoIncrement"` SessionID string `json:"session_id" gorm:"type:varchar;not null;index"` MessageType string `json:"message_type" gorm:"type:varchar;not null"` Content string `json:"content" gorm:"type:text;not null"` IsActive bool `json:"is_active" gorm:"type:bool;default:true"` CreatedAt time.Time `json:"created_at" gorm:"default:now()"` }