Agents that cancel bookings, issue refunds, or modify accounts need rules like "get explicit confirmation before changing anything. " Most teams encode these rules in prompts and hope the model follows them. Concordat takes a different approach: it treats conversation protocols as type signature...
Source: [Dev.to](https://dev.to/mech_app_ai/concordat-how-session-types-enforce-agent-conversation-rules-without-prompt-engineering-oi0)