From dad3867144bc108f3bb8054c00f0d75f935788d2 Mon Sep 17 00:00:00 2001
From: Simon Gardling <titaniumtown@proton.me>
Date: Thu, 9 Apr 2026 22:19:21 -0400
Subject: [PATCH] grafana: fix llama-cpp annotation query format for Grafana 12

Grafana 12 expects Prometheus annotation queries wrapped in a 'target'
object with datasource, expr, refId, and range fields. The previous
format had expr/step as top-level fields which Grafana silently ignored.
---
 services/grafana/dashboard.nix | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/services/grafana/dashboard.nix b/services/grafana/dashboard.nix
index 7f2ff07..60f68dd 100644
--- a/services/grafana/dashboard.nix
+++ b/services/grafana/dashboard.nix
@@ -53,8 +53,13 @@ let
         datasource = promDs;
         enable = true;
         iconColor = "purple";
-        expr = "llamacpp:requests_processing > 0";
-        step = "10s";
+        target = {
+          datasource = promDs;
+          expr = "llamacpp:requests_processing > 0";
+          instant = false;
+          range = true;
+          refId = "A";
+        };
         titleFormat = "LLM inference";
       }
     ];