Episode 16 of The Web Development Podcast uncovers a quiet but costly problem: GraphQL schemas that drift out of sync with frontend expectations. Lucas and Luna walk through a real-world case where a single renamed field in a GraphQL resolver caused a $150,000 production outage for an e-commerce startup. They explain how schema-first development, contract testing, and tools like GraphQL Inspector can catch these issues before they reach users. The episode also covers practical strategies for maintaining alignment between frontend and backend teams, including shared type definitions, automated checks in CI/CD, and the trade-offs of using generated TypeScript types from GraphQL schema files. If you build APIs or consume them, this episode offers a concrete lesson in why your schema is a contract that needs enforcement.

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