Backend Dev Guidelines

Comprehensive production-grade backend architecture guidelines with clear layered structure and strong observability practices

• +Enforces strict layered architecture with explicit responsibilities per layer
• +Includes risk assessment framework (BFRI) before implementation
• +Mandates observability through Sentry, validation via Zod, and comprehensive testing
• -Declares broad permissions (shell, network) without clear justification in instructions
• -Lacks concrete code examples for BaseController and asyncErrorWrapper implementations