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feat(prometheus-direct-charting): slice 1 — prom range query + chart rebrand

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Add PrometheusWidgetSource._fetch_chart hitting /api/v1/query_range directly
(SC-101..104). New shared helpers in widgets/prometheus_range.py:
step_for_window (window preset -> step, ~200pts) and normalize_prometheus_matrix
(extracted label/dedup rule, retargeted at Prom matrix, robust to malformed
data). Chart widget kind moved grafana->prometheus in both registries;
GrafanaChartWidget renamed -> PrometheusChartWidget (git mv, recharts body
preserved). Grafana binding/service untouched (removed in slice 3).

Backend: 298 pytest pass, ruff clean. Frontend: 128 vitest pass, build+lint green.
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Developer
2026-07-08 21:51:49 +00:00
parent d906b0392b
commit 5dad98231f
12 changed files with 383 additions and 56 deletions
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frontend/src/widgets/index.ts
+1 -1
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@@ -1,7 +1,7 @@
export { AlertmanagerAlertsWidget } from "./AlertmanagerAlertsWidget";
export { BackupsWidget } from "./BackupsWidget";
export { GrafanaLinkWidget } from "./GrafanaLinkWidget";
export { GrafanaChartWidget } from "./GrafanaChartWidget";
export { PrometheusChartWidget } from "./PrometheusChartWidget";
export { JellyfinWidget } from "./JellyfinWidget";
export { PrometheusMetricWidget } from "./PrometheusMetricWidget";
export { SshTaskWidget } from "./SshTaskWidget";