Read-only audit of performance and reliability — event-loop discipline, streaming and backpressure, memory/CPU diagnostics, production shutdown/timeout/job habits, cross-service resilience topology (circuit breakers, retry budgets, queue bounds, dual-writes), and frontend delivery (Core Web Vitals,
Read-only audit of performance and reliability — event-loop discipline, streaming and backpressure, memory/CPU diagnostics, production shutdown/timeout/job habits, cross-service resilience topology (circuit breakers, retry budgets, queue bounds, dual-writes), and frontend delivery (Core Web Vitals, bundle size, hydration) — producing evidence-backed findings and a SHIP / FIX / BLOCK verdict. Use w