Module metrics 

Prometheus metric definitions for agent lifecycle — counters, histograms.

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

Functions

record_agent_completed

Record that an agent has completed, with its duration.

record_agent_error

Record an agent error.

record_agent_started

Record that an agent has started.

record_agent_tool_dispatch

Record an agent-as-tool dispatch with duration.

record_agent_tool_dispatched

Record that a tool was dispatched by an agent.

record_agent_tool_duration

Record tool execution duration for an agent.

record_agent_transfer

Record an agent transfer from one agent to another.

record_event_loop_lag

Record event loop lag (skipped events).

record_extraction_duration

Record extraction duration.

record_llm_call

Record LLM call with duration and token counts.

record_persistence_duration

Record session persistence duration.

record_phase_transition

Record a phase transition.

record_token_usage

Record total token usage.