Common Bugs in Fine.dev-Generated Code

Fine.dev implements from the spec but may not fully understand implicit conventions of the codebase — error formats, loading state patterns, naming conventions — unless they're explicitly documented or visible in nearby code

Fine.dev implementations may be technically correct for the specified feature but miss integration with adjacent features — a new endpoint that doesn't follow the same error response format as other endpoints, or a new UI component that doesn't handle the same edge states as similar existing components

Start by running your app through its complete user flow — sign up, use every feature, try edge cases like empty inputs and invalid data. Most Fine.dev bugs surface when you go off the happy path. Use your browser's developer tools to watch for console errors, failed network requests, and unhandled promise rejections. TypeScript's strict mode will catch many issues at compile time if it's not already enabled.

For async errors, wrap every server-side operation in try/catch blocks and return meaningful error messages. For state bugs, consider whether the state belongs in the URL, in a server component, or in client state — Fine.dev often defaults to client state when server state would be more appropriate. For data fetching issues, implement proper loading and error states for every data-dependent component.

The best way to prevent Fine.dev bugs from reaching production: enable TypeScript strict mode, add ESLint rules for common mistakes (no-floating-promises, exhaustive-deps), and write tests for critical user flows. Even basic smoke tests catch the majority of issues.