From ef9c5b6cf1f4e0b9ca72088a799fa3ad815c53bc Mon Sep 17 00:00:00 2001
From: Christoffer Martinsson <cm@cmtec.se>
Date: Thu, 23 Oct 2025 15:56:31 +0200
Subject: [PATCH] Fix NixOS build version display in dashboard

Update metric filtering to use exact metric names instead of prefix matching.
This resolves the issue where build version showed 'unknown' despite agent
correctly collecting the metric.
---
 dashboard/src/ui/mod.rs            | 2 +-
 dashboard/src/ui/widgets/system.rs | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/dashboard/src/ui/mod.rs b/dashboard/src/ui/mod.rs
index 0943467..5053475 100644
--- a/dashboard/src/ui/mod.rs
+++ b/dashboard/src/ui/mod.rs
@@ -119,7 +119,7 @@ impl TuiApp {
                 // Add NixOS metrics
                 let nixos_metrics: Vec<&Metric> = all_metrics
                     .iter()
-                    .filter(|m| m.name.starts_with("system_nixos") || m.name.starts_with("system_active"))
+                    .filter(|m| m.name == "system_nixos_build" || m.name == "system_active_users")
                     .copied()
                     .collect();
                 system_metrics.extend(nixos_metrics);
diff --git a/dashboard/src/ui/widgets/system.rs b/dashboard/src/ui/widgets/system.rs
index de48b76..f86a125 100644
--- a/dashboard/src/ui/widgets/system.rs
+++ b/dashboard/src/ui/widgets/system.rs
@@ -297,6 +297,10 @@ impl Widget for SystemWidget {
         self.has_data = !metrics.is_empty();
 
         for metric in metrics {
+            // Debug logging for NixOS metrics
+            if metric.name.starts_with("system_") {
+                tracing::debug!("SystemWidget received metric: {} = {:?}", metric.name, metric.value);
+            }
             match metric.name.as_str() {
                 // NixOS metrics
                 "system_nixos_build" => {