From e200ceec3b9f481071c22f9bb1c2ee2d447329dc Mon Sep 17 00:00:00 2001
From: gayanyapa <gayan.yapa@mybudget.com.au>
Date: Wed, 11 Mar 2026 05:06:56 +1030
Subject: [PATCH] Fixed: OTEL's metricName() was silently dropping the
 subsystem when no system/namespace was set.

---
 otel.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/otel.go b/otel.go
index 54f1db7..d2ce393 100644
--- a/otel.go
+++ b/otel.go
@@ -200,6 +200,9 @@ func (r *otelReporter) metricName(path string) string {
 	if r.namespace != "" {
 		return fmt.Sprintf("%s_%s", r.namespace, path)
 	}
+	if r.subSystem != "" {
+		return fmt.Sprintf("%s_%s", r.subSystem, path)
+	}
 	return path
 }