// 聊天消息类型枚举
export enum ChatMessageType {
    TEXT = 'text',
    IMAGE = 'image',
    FILE = 'file',
    VOICE = 'voice',
    VIDEO = 'video',
    SYSTEM = 'system'
}

// 聊天消息状态枚举
export enum ChatMessageStatus {
    SENDING = 'sending',
    SENT = 'sent',
    DELIVERED = 'delivered',
    READ = 'read',
    FAILED = 'failed'
}