feat(observability): propagate optional cost_usd on agent end

2026-02-17 17:57:34 +08:00 · 2026-02-17 17:57:34 +08:00 · 8371f412f8
commit 8371f412f8
parent 52a4c9d2b8
6 changed files with 15 additions and 1 deletions
--- a/src/observability/traits.rs
+++ b/src/observability/traits.rs
@ -27,6 +27,7 @@ pub enum ObserverEvent {
    AgentEnd {
        duration: Duration,
        tokens_used: Option<u64>,
+        cost_usd: Option<f64>,
    },
    /// A tool call is about to be executed.
    ToolCallStart {