Most people try to build one giant n8n workflow that does everything, only to have it break and become a debugging nightmare three days later. 🛑 In March 2026, the elite standard is the Hub-and-Spoke Architecture. We are breaking down how to build a central "Brain" (Orchestrator) that uses specialized Sub-Agents to manage your Gmail, Google Calendar, and live research autonomously via Telegram.

We’re breaking down the GPT-5.4 Nano setup—from using Whisper for voice commands to deploying a Research Agent that cross-references Wikipedia and Serper.

We’ll talk about:

• The Hub-and-Spoke Design: Why splitting your assistant into "Brain" and "Specialist" workflows is the only way to scale without chaos.