Module metrics 

Prometheus metric definitions — counters, histograms, gauges.

Feature-gated behind metrics. When disabled, all functions compile to no-ops.

Functions

record_audio_latency

Record audio send latency (no-op without metrics feature).

record_http_request

Record an HTTP REST API request (no-op without metrics feature).

record_jitter_depth

Record current jitter buffer depth (no-op without metrics feature).

record_jitter_underrun

Record a jitter buffer underrun (no-op without metrics feature).

record_reconnection

Record a reconnection attempt (no-op without metrics feature).

record_response_latency

Record time from end-of-speech to first model response (no-op without metrics feature).

record_session_connected

Record a new session connection (no-op without metrics feature).

record_session_disconnected

Record a session disconnection (no-op without metrics feature).

record_tool_call

Record a tool call execution (no-op without metrics feature).

record_vad_event

Record a VAD event (no-op without metrics feature).

record_ws_bytes_received

Record WebSocket bytes received (no-op without metrics feature).

record_ws_bytes_sent

Record WebSocket bytes sent (no-op without metrics feature).