Struct SessionUsageTracker 

pub struct SessionUsageTracker { /* private fields */ }

Billable usage for one agent session. The root agent’s session tracker captures totals for all agents (e.g. sub-agents).

Implementations

impl SessionUsageTracker

pub fn new(agent_name: impl Into<String>) -> Self

pub fn resume_from(&mut self, last: &SessionUsageEvent)

Continue from the last persisted event so a resumed session keeps its totals.

pub fn source(&self) -> &UsageSource

pub fn record( &mut self, purpose: LlmCallPurpose, model: ModelIdentity, tokens: TokenUsage, ) -> SessionUsageEvent

Record one of this agent’s own calls, priced from the model’s catalog entry.

pub fn record_child( &mut self, task_id: &str, child: SessionUsageEvent, ) -> SessionUsageEvent

Fold a sub-agent’s sample into these totals. The child’s model and cost stand; its lineage is filled in when the child did not know it.

Trait Implementations

impl Clone for SessionUsageTracker

fn clone(&self) -> SessionUsageTracker

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for SessionUsageTracker

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.