Relay Mutations Patterns Master Relay mutations for building interactive applications with optimistic updates, connection handling, and declarative data updates. Overview Relay mutations provide a declarative way to update data with automatic cache updates, optimistic responses, and rollback on error. Mutations integrate seamlessly with Relay's normalized cache and connection protocol. Installation and Setup Mutation Configuration Core Patterns 1. Basic Mutation 2. Optimistic Updates 3. Connection Updates 4. Manual Cache Updates 5. Complex Updater Functions 6. Multiple Mutations 7. Error Hand…