Module observability 

Available on crate feature otel only.

OpenTelemetry observability module.

This module is only compiled when the otel feature is enabled. It provides span instrumentation, payload capture, and context propagation for the agent SDK’s core orchestration boundaries.

Re-exports

pub use payload_capture::is_payload_capture_enabled;

pub use payload_capture::set_payload_capture_enabled;

pub use types::CaptureDecision;

pub use types::CaptureKind;

pub use types::CaptureResult;

pub use types::ObservabilityStore;

pub use types::PayloadBundle;

Modules

attrs

Span attribute helpers and constants.

baggage

Baggage helpers for propagating trace-level attributes onto every span.

context

OpenTelemetry context propagation helpers for async boundaries.

instrument

Instrumentation helpers called from agent loop code paths.

langfuse

Native Langfuse attribute helpers.

loop_instrument

Reusable chat / execute_tool span + metric helpers.

metrics

GenAI client + SDK-specific metric instruments.

payload

GenAI payload conversion from SDK types to semconv JSON.

payload_capture

Process-wide payload-capture gate.

provider_name

Provider name normalization to GenAI semconv canonical values.

spans

Span construction and lifecycle helpers.

types

Core observability types and the ObservabilityStore trait.