feat(dashboards): OTL-90 — consistent legend width + latest/peak/total calcs - #190
feat(dashboards): OTL-90 — consistent legend width + latest/peak/total calcs#190ryanrozich wants to merge 1 commit into
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…l calcs
The Claude Code dashboard's time-series panels had inconsistent legend
placement/width (mostly right+240px, several bottom with no width) and
inconsistent calc sets (lastNotNull/max/sum, mean-only, single-calc),
making legends hard to scan and not column-aligned across panels.
Every right-legend panel now uses the same width (280px, up from 240).
Additive per-interval quantities (spend, tokens, tool calls, PRs,
commits, worker events) get exactly three calcs: lastNotNull (Grafana
label "Last *"), max ("Max"), sum ("Total") — the closest built-in
equivalent to latest/peak/total (Grafana OSS 12.4.2's VizLegendOptions
has no field to rename calc column headers — confirmed against
grafana/grafana's common.gen.ts).
Monotonic/cumulative accumulator panels (ai:*_accum:sum-family) and
rate/percentage/duration/concurrency-gauge panels keep only latest+peak
— a forced "sum" total either double-counts a running total (the exact
OTL-82 bug) or produces a meaningless number for a %, ms, or
concurrent-session series. Two narrow (gridPos.w=8) repeated tiles keep
bottom placement so a 280px right legend doesn't crowd out the chart.
Applied to unified-dashboard.json (29 timeseries panels), codex-usage.json
(8 panels), and operator-usage.json (3 panels) — all three share the
pattern. Also reconciles these files with the live dashboards, which had
drifted far ahead of the last commit (unified-dashboard.json was at
Grafana-internal version 2 in this repo vs. version 28 live) — the
formatting change was applied live first (verified via the Grafana API)
and this brings the repo current in the same commit.
Closes OTL-90
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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This reorders and reserializes all three dashboard files, turning roughly 40 targeted legend edits into 8,260 changed lines. A structural comparison shows that, after excluding legends, dashboard versions, and the added null IDs, the configurations are unchanged; the churn therefore obscures the actual behavior change and makes later reviews and backports unnecessarily error-prone. Apply the legend edits without reserializing the surrounding JSON, as required by the dashboard-specific editing guidance.
AGENTS.md reference: AGENTS.md:L13-L18
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Summary
from a mix of 240px/200px/none) so values line up column-aligned across panels.
worker events): exactly three calcs —
lastNotNull/max/sum, Grafana'sbuilt-in labels "Last *" / "Max" / "Total" (the closest available equivalent
to latest/peak/total — see note below).
ai:*_accum:sumfamily) andrate/percentage/duration/concurrency-gauge panels: only
lastNotNull/max(latest/peak) — no forced "total". Summing a running total double-counts(the exact bug OTL-82 fixed); summing a %, ms, or concurrent-session series
across time buckets is not a meaningful number.
gridPos.w=8: the per-model Latency tile andoperator-usage's "Prompts over time") keep bottom placement — a 280px
right legend would crowd out the chart at that width.
unified-dashboard.json(Claude Code — 29/29 time-series panels touched, recursed into all 5 collapsed
rows),
codex-usage.json(8/8),operator-usage.json(3/3).dashboards (
unified-dashboard.jsonwas at Grafana-internalversion: 2inthe last commit vs.
version: 28live, i.e. OTL-73/74/80/82–89 never landedhere). The formatting change was applied live first (pushed via
scp+file-provisioning, not the API — see note below) and verified via theGrafana HTTP API before this commit, which brings the repo current in the same
diff. That's why the file-level diff is large; the panel/legend classification
above is the actual semantic change — happy to also paste the isolated
legend-only diff in a comment if that's easier to review.
Notes for reviewers
grafana/grafana'spackages/grafana-schema/src/common/common.gen.ts:VizLegendOptionshas no field to override a calc column's display text."latest/peak/total" is achieved by calc selection, not literal renaming.
scripts/deploy.sh dashboards.That script POSTs to
/api/dashboards/db, which now 403s with"Cannot save provisioned dashboard"—grafana-dashboards.ymlhasallowUiUpdates: falseand the API refuses writes to provisioned dashboards regardless of credentials.
This matches OTL-77 ("deploy host is not operable as documented"); worth a
follow-up to fix or replace
push_dashboards(). I insteadscp'd the editedJSON directly into the host's
dashboards/directory (nogittouched on thedeploy host — it's currently running an unrelated uncommitted change) and let
the file provisioner's 10s poll pick it up; confirmed live via
GET /api/dashboards/uid/<uid>(version bumped 28→29 / 5→6 / 6→7, timestampsmatch, legend configs match).
Test plan
scppush — all threedashboards'
versionincremented andoptions.legendon every touchedpanel matches the intended classification (spot-checked a Group A, Group B,
and Group C panel per dashboard).
options.legendfield stripped out — zero remaining differences, so noquery, threshold, or other panel config changed.
the available browser tooling didn't have a quick way to inject the
CF-Access service-token headers into a real page load; API verification
was treated as authoritative instead.
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