From e84b9aada0cc62687d45f6aec414db950acea6b0 Mon Sep 17 00:00:00 2001
From: Pratik Mankawde <3397372+pratikmankawde@users.noreply.github.com>
Date: Fri, 7 Aug 2026 12:36:22 +0100
Subject: [PATCH] fix(telemetry): give heatmap panels the options the plugin
 requires

Every heatmap carried only `tooltip` and `yAxis`, missing `calculate`, `color`
and `cellGap`. Grafana's heatmap plugin treats those as required, and without
them the panel fails to initialise: the dashboard opens with "An error occurred
within the plugin" rather than a chart.

The option values are taken from the one heatmap in this stack that does render
on Grafana Cloud (ledger-sync-health): calculate=false since the queries already
return histogram buckets, the Turbo 64-step scheme, and cellGap=1. Each panel
keeps its own yAxis label, unit and tooltip settings.

This is a long-standing defect rather than fallout from the recent layout work -
the same options are absent in origin/phase9 and in the cloud copies that were
already live.
---
 .../telemetry/grafana/dashboards/consensus-health.json | 10 ++++++++++
 .../grafana/dashboards/ledger-operations.json          | 10 ++++++++++
 .../telemetry/grafana/dashboards/rpc-performance.json  | 10 ++++++++++
 .../grafana/dashboards/transaction-overview.json       | 10 ++++++++++
 4 files changed, 40 insertions(+)

diff --git a/docker/telemetry/grafana/dashboards/consensus-health.json b/docker/telemetry/grafana/dashboards/consensus-health.json
index 484e40f691..dac6bf024d 100644
--- a/docker/telemetry/grafana/dashboards/consensus-health.json
+++ b/docker/telemetry/grafana/dashboards/consensus-health.json
@@ -474,6 +474,16 @@
         "y": 52
       },
       "options": {
+        "calculate": false,
+        "cellGap": 1,
+        "color": {
+          "mode": "scheme",
+          "scheme": "Turbo",
+          "steps": 64
+        },
+        "legend": {
+          "show": true
+        },
         "tooltip": {
           "mode": "multi",
           "sort": "desc",
diff --git a/docker/telemetry/grafana/dashboards/ledger-operations.json b/docker/telemetry/grafana/dashboards/ledger-operations.json
index 4516e8455e..3eca89484a 100644
--- a/docker/telemetry/grafana/dashboards/ledger-operations.json
+++ b/docker/telemetry/grafana/dashboards/ledger-operations.json
@@ -159,6 +159,16 @@
         "y": 11
       },
       "options": {
+        "calculate": false,
+        "cellGap": 1,
+        "color": {
+          "mode": "scheme",
+          "scheme": "Turbo",
+          "steps": 64
+        },
+        "legend": {
+          "show": true
+        },
         "tooltip": {
           "mode": "multi",
           "sort": "desc",
diff --git a/docker/telemetry/grafana/dashboards/rpc-performance.json b/docker/telemetry/grafana/dashboards/rpc-performance.json
index c532fa8d38..cc072100ee 100644
--- a/docker/telemetry/grafana/dashboards/rpc-performance.json
+++ b/docker/telemetry/grafana/dashboards/rpc-performance.json
@@ -236,6 +236,16 @@
         "y": 20
       },
       "options": {
+        "calculate": false,
+        "cellGap": 1,
+        "color": {
+          "mode": "scheme",
+          "scheme": "Turbo",
+          "steps": 64
+        },
+        "legend": {
+          "show": true
+        },
         "tooltip": {
           "mode": "multi",
           "sort": "desc",
diff --git a/docker/telemetry/grafana/dashboards/transaction-overview.json b/docker/telemetry/grafana/dashboards/transaction-overview.json
index d142ae23d5..33c0a3509e 100644
--- a/docker/telemetry/grafana/dashboards/transaction-overview.json
+++ b/docker/telemetry/grafana/dashboards/transaction-overview.json
@@ -263,6 +263,16 @@
         "y": 30
       },
       "options": {
+        "calculate": false,
+        "cellGap": 1,
+        "color": {
+          "mode": "scheme",
+          "scheme": "Turbo",
+          "steps": 64
+        },
+        "legend": {
+          "show": true
+        },
         "tooltip": {
           "mode": "multi",
           "sort": "desc",