Module observability 

Structured operation metrics and privacy-safe diagnostics (JOE-1627).

Counters are process-local, lock-free, and never store payload text/PCM.

Structs

DiagnosticBundle

Redacted diagnostic bundle for support / aurum doctor --json enrichment.

Metrics

Process-wide metrics sink (also attachable to an engine via Arc).

MetricsSnapshot

Serializable metrics snapshot.

SpanTimer

Simple wall-clock timer for inference spans.

Constants

METRICS_SCHEMA_VERSION

Schema version for metrics / diagnostic JSON.

Functions

process_metrics

Process-global metrics (shared by CLI/FFI).