doppler

Next.js best practices - file conventions, RSC boundaries, data patterns, async APIs, metadata, error handling, route handlers, image/font optimization, bundling

Next.js 16 Cache Components - PPR, use cache directive, cacheLife, cacheTag, updateTag

How to think about reliable systems in domain models. Use when designing state management, type systems, domain boundaries, error handling, or service contracts. Triggers on discussions of React state, backend data flow, database design, making illegal states unrepresentable, deriving values instead of storing them, or preventing bugs through types.

Final self-review your own work before committing. Fight entropy, ensure quality, leave the codebase better than you found it.