Manage User Authentication with Telegram, Redis Cache and Google Sheets

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How It Works Telegram bot listens for messages and uses chat ID as the unique user identifier. Checks Google Sheets for existing users; registers new users if not found. Caches active sessions in Redis for fast lookup and login-state handling. Stores and retrieves user data (UserID, Name, Telegram Chat ID) in Google Sheets. Can be triggered by other n8n workflows to fetch or update user/session data. Setup Steps Obtain Telegram Bot token, Google Sheets “Users” sheet with API credentials, and