observability-instrument-with-otel

@dawiddutoit

Adds OpenTelemetry instrumentation to service methods by applying @traced decorators, structured logging, and trace/span ID propagation for distributed tracing. Use when adding new service methods, debugging complex flows, investigating performance issues, or need distributed tracing across application layers. Triggers on "add tracing", "instrument this method", "add observability", "debug with traces", or "track execution flow".