HelloBot

A minimal bot that responds whenever someone mentions the bot's username in a chat.

Functionality

Listens for any message that contains the bot's username mention. When triggered, replies with Oh, hi, followed by a mention of the sender (or the group/channel name for non-private chats). Uses MarkdownV2 formatting and adapts the reply text based on the chat type.

Arguments

Position	Value	Description
1	`BOT_TOKEN`	Telegram bot token

Optional arguments (any order after the token):

Value	Description
`debug`	Enable verbose debug logging
`testServer`	Connect to the Telegram test server instead of production

Bot Commands

None. The bot is triggered by username mentions, not commands.

Capabilities

Detects mentions of the bot username in all chat types (private, group, supergroup, channel, business)
Builds a MarkdownV2-formatted reply that links back to the sender
For public chats the reply contains a clickable mention link; for private chats it uses a text mention
Runs via long polling

Launch

../gradlew run --args="BOT_TOKEN"

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