feat: freeze typed metrics registry and bounded exemplars

2026-08-14 11:52:00 +03:00
parent 17c8e3a8f0
commit 8e709acea9
29 changed files with 1690 additions and 103 deletions
@@ -79,8 +79,12 @@ impl ActiveSessionMetrics {
                )
                .await
                {
-                    Ok(Ok(count)) => crank_metrics::set_mcp_active_sessions(count),
+                    Ok(Ok(count)) => {
+                        crank_metrics::set_mcp_active_sessions(count);
+                        crank_metrics::set_mcp_session_metrics_fresh(true);
+                    }
                    Ok(Err(_)) | Err(_) => {
+                        crank_metrics::set_mcp_session_metrics_fresh(false);
                        warn!(
                            name: "mcp.active_session_metrics.refresh_failed",
                            error_category = "session_store",