How I Built a Multi-Agent Prompt Engineering Runbook with pydantic-ai and FastAPI

How I Built a Multi-Agent Prompt Engineering Runbook with pydantic-ai and FastAPI Most teams building AI tooling eventually hit the same wall: they have five different prompt patterns scattered across Notion docs, Slack threads, and someone's local Python file. Nobody agrees on the output format. The SWOT analysis prompt returns markdown sometimes and JSON sometimes. The code reviewer just dumps text. When something breaks in production, you spend 40 minutes figuring out which version of the p...