How I used Gemini CLI to orchestrate a complex RAG migration

Building a complex, multi-phase cloud project like a RAG migration is as much about orchestration as it is about code. You have to manage infrastructure ( Terraform ), backend services ( Python ), frontend UI ( Next.js ), data pipelines ( BigQuery / AlloyDB ), and documentation - all while maintaining a consistent technical strategy. Standard IDE completions are great for snippets, but they lack the system-level context needed for this kind of engineering. To build this reference architecture, I