获取频道信息/Get channel info

[中文]

用途:

• 获取公开 Telegram 频道的元信息：标题、简介、头像、订阅数、是否认证、统计计数器。
• 数据来自 t.me 公开预览页，无需登录。

参数:

• channel: 频道用户名（可传 durov / @durov / https://t.me/durov，会自动清洗）。

返回:

• username / title / verified / description / photo / subscribers / counters。
• 频道不存在或非公开时返回 exists = false；频道关闭网页预览时返回 preview_available = false。

[English]

Purpose:

• Get public Telegram channel metadata: title, description, avatar, subscriber count, verified badge and media counters.
• Data comes from the public t.me preview page, no login required.

Parameters:

• channel: Channel username (accepts durov / @durov / https://t.me/durov, normalized automatically).

Return:

• username / title / verified / description / photo / subscribers / counters.
• Returns exists = false when the channel does not exist or is not public; preview_available = false when the channel disabled web preview.

[示例/Example]

channel = "durov"

Imported from a validated TikHub OpenAPI document. Pricing must be reviewed before enabling.