feat(otel): propagate session.id to spans and log records (#7490)

Signed-off-by: Adrian Cole <adrian@tetrate.io>

crates/goose/tests/session_id_propagation_test.rs

@@ -4,9 +4,14 @@ use goose::providers::api_client::{ApiClient, AuthMethod};
 use goose::providers::base::Provider;
 use goose::providers::openai::OpenAiProvider;
 use goose::session_context::SESSION_ID_HEADER;
+use opentelemetry::logs::AnyValue;
+use opentelemetry::Key;
+use opentelemetry_appender_tracing::layer::OpenTelemetryTracingBridge;
+use opentelemetry_sdk::logs::{InMemoryLogExporterBuilder, SdkLoggerProvider};
 use serde_json::json;
 use std::sync::Arc;
 use std::sync::Mutex;
+use tracing_subscriber::prelude::*;
 use wiremock::matchers::{method, path};
 use wiremock::{Mock, MockServer, Request, ResponseTemplate};
 
@@ -104,6 +109,37 @@ async fn make_request(provider: &dyn Provider, session_id: &str) {
         .unwrap();
 }
 
+#[tokio::test]
+async fn test_session_id_propagates_to_log_records() {
+    let exporter = InMemoryLogExporterBuilder::default().build();
+    let provider = SdkLoggerProvider::builder()
+        .with_simple_exporter(exporter.clone())
+        .build();
+
+    let layer = OpenTelemetryTracingBridge::builder(&provider)
+        .with_span_attribute_allowlist(["session.id"])
+        .build();
+    let subscriber = tracing_subscriber::registry().with(layer);
+    let _guard = tracing::subscriber::set_default(subscriber);
+
+    let span = tracing::info_span!("test", session.id = "test-session-42");
+    let _enter = span.enter();
+    tracing::info!("hello from test");
+    drop(_enter);
+    drop(_guard);
+
+    provider.force_flush().unwrap();
+    let logs = exporter.get_emitted_logs().unwrap();
+    assert_eq!(logs.len(), 1);
+    let log = &logs[0];
+
+    let has_session_id = log.record.attributes_iter().any(|(k, v)| {
+        k == &Key::new("session.id")
+            && matches!(v, AnyValue::String(s) if s.as_str() == "test-session-42")
+    });
+    assert!(has_session_id);
+}
+
 #[tokio::test]
 async fn test_session_id_propagation_to_llm() {
     let (_, capture, provider) = setup_mock_server().await;