fix(charting): remove duplicate range selector

frontend/src/components/LineSeriesChart.tsx

@@ -76,6 +76,8 @@ interface LineSeriesChartProps {
 	scale?: MetricScale;
 	/** Available displayed time ranges. Defaults to the shared range choices. */
 	rangeOptions?: readonly ChartRangeOption[];
+	/** Whether to render the interactive range selector. */
+	showRangeSelector?: boolean;
 	/** Initial uncontrolled range. Defaults to the largest numeric option. */
 	defaultRangeSeconds?: ChartRangeValue;
 	/** Controlled range for consumers that refetch when the selection changes. */
@@ -90,6 +92,7 @@ export function LineSeriesChart({
 	unit = "none",
 	scale = "auto",
 	rangeOptions = DEFAULT_CHART_RANGES,
+	showRangeSelector = true,
 	defaultRangeSeconds,
 	rangeSeconds,
 	onRangeChange,
@@ -98,8 +101,9 @@ export function LineSeriesChart({
 		defaultRangeSeconds ??
 		[...rangeOptions].reverse().find((range) => typeof range.value === "number")
 			?.value;
-	const [localRangeSeconds, setLocalRangeSeconds] =
-		useState<ChartRangeValue | undefined>(initialRange);
+	const [localRangeSeconds, setLocalRangeSeconds] = useState<
+		ChartRangeValue | undefined
+	>(initialRange);
 	const selectedRangeSeconds = rangeSeconds ?? localRangeSeconds;
 	const latestTimestamp = series.reduce(
 		(max, seriesItem) =>
@@ -140,7 +144,7 @@ export function LineSeriesChart({
 
 	return (
 		<div className="space-y-2">
-			{rangeOptions.length > 0 && (
+			{showRangeSelector && rangeOptions.length > 0 && (
 				<div className="flex justify-end">
 					<Select
 						value={

frontend/src/components/__tests__/LineSeriesChart.test.tsx

@@ -38,6 +38,13 @@ describe("LineSeriesChart", () => {
 		).toHaveTextContent("2 hours");
 	});
 
+	it("can hide the interactive selector for configured widgets", () => {
+		render(<LineSeriesChart series={[]} showRangeSelector={false} />);
+		expect(
+			screen.queryByRole("combobox", { name: "Chart range" }),
+		).not.toBeInTheDocument();
+	});
+
 	it("offers all loaded values and reports that selection", () => {
 		const onRangeChange = vi.fn();
 		render(