qfl_dev 

Standardized API response package with global exception handler middleware, built-in exception types, TraceId/SpanId correlation, application-style response codes, EF Core message lookup, and Redis caching.

Standardized Serilog + OpenTelemetry logging package with configurable sinks (Console, Loki) and W3C trace context enrichment.

Standardized Serilog + OpenTelemetry logging package with configurable sinks (Console, File, Loki) and W3C trace context enrichment.