Process Multiple Media Files in Telegram with Gemini AI & PostgreSQL Database

🤖📨 Telegram AI Assistant with Multi-File Media Group Handling, Smart File Processing & PostgreSQL Integration > AI-powered Telegram bot for text, voice, video, documents & media — with database-driven grouping and Telegram-safe formatting. 📋 Description This n8n template creates a next-generation Telegram AI assistant 🧠💬 capable of handling text messages, media files, and documents with advanced processing, PostgreSQL integration, and AI-powered responses. It is designed to solve Telegram’s media group challenge 📦 — when multiple files are sent together, they are stored, processed, and combined into one coherent AI-generated reply. ✨ Key Features 📂 Multi-file media group management

Help me set up the n8n workflow "Process Multiple Media Files in Telegram with Gemini AI & PostgreSQL Database" (https://n8n.io/workflows/7455). It uses: Postgres, Telegram, Code, HTML, AI Agent, Google Gemini Chat Model, Postgres Chat Memory, Google Gemini. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.