Module problem 

RFC 9457 Problem Details for HTTP APIs (pure data model, no HTTP framework dependencies)

Structs

Problem

RFC 9457 Problem Details for HTTP APIs.

ValidationError

Collection of validation errors for 422 responses.

ValidationErrorResponse

Wrapper for ValidationError that can be used as a standalone response.

ValidationViolation

Individual validation violation for a specific field or property.

Constants

APPLICATION_PROBLEM_JSON

Content type for Problem Details as per RFC 9457.