Telegram bot - copying posts between channels

The bot automatically copies posts from one Telegram channel to another with intelligent content filtering and automatic translation into Polish.
Designed for financial communities and signal channels, but the architecture is universal — it can be adapted to any niche.
Automatic mirroring of channels (via Telethon API)

Translation of content into Polish (Deep Translator)

Flexible filters:
Removal of links, hashtags, junk

Exclusion of emojis and technical symbols

Correct processing of messages with photos, text, and emojis

Support for unique posts: signals, reports, notifications

Works 24/7 on Windows, macOS, and Linux

Support for .env with API keys, secure authorization

Instant response — delay of less than 1 second