fix(api): flatten v2 error envelope in ErrorResponseHandler

docs/api/openapi.yml

@@ -4224,13 +4224,6 @@ components:
           nullable: true
           type: number
       type: object
-    DashboardtypesAxisScale:
-      enum:
-      - auto
-      - linear
-      - log
-      - symlog
-      type: string
     DashboardtypesBarChartPanelSpec:
       properties:
         axes:
@@ -5257,7 +5250,6 @@ components:
           signoz/ListPanel: '#/components/schemas/DashboardtypesPanelPluginVariantGithubComSigNozSignozPkgTypesDashboardtypesListPanelSpec'
           signoz/NumberPanel: '#/components/schemas/DashboardtypesPanelPluginVariantGithubComSigNozSignozPkgTypesDashboardtypesNumberPanelSpec'
           signoz/PieChartPanel: '#/components/schemas/DashboardtypesPanelPluginVariantGithubComSigNozSignozPkgTypesDashboardtypesPieChartPanelSpec'
-          signoz/ScatterPlotPanel: '#/components/schemas/DashboardtypesPanelPluginVariantGithubComSigNozSignozPkgTypesDashboardtypesScatterPlotPanelSpec'
           signoz/TablePanel: '#/components/schemas/DashboardtypesPanelPluginVariantGithubComSigNozSignozPkgTypesDashboardtypesTablePanelSpec'
           signoz/TextPanel: '#/components/schemas/DashboardtypesPanelPluginVariantGithubComSigNozSignozPkgTypesDashboardtypesTextPanelSpec'
           signoz/TimeSeriesPanel: '#/components/schemas/DashboardtypesPanelPluginVariantGithubComSigNozSignozPkgTypesDashboardtypesTimeSeriesPanelSpec'
@@ -5273,7 +5265,6 @@ components:
       - $ref: '#/components/schemas/DashboardtypesPanelPluginVariantGithubComSigNozSignozPkgTypesDashboardtypesListPanelSpec'
       - $ref: '#/components/schemas/DashboardtypesPanelPluginVariantGithubComSigNozSignozPkgTypesDashboardtypesTextPanelSpec'
       - $ref: '#/components/schemas/DashboardtypesPanelPluginVariantGithubComSigNozSignozPkgTypesDashboardtypesHeatmapPanelSpec'
-      - $ref: '#/components/schemas/DashboardtypesPanelPluginVariantGithubComSigNozSignozPkgTypesDashboardtypesScatterPlotPanelSpec'
       type: object
     DashboardtypesPanelPluginKind:
       enum:
@@ -5287,7 +5278,6 @@ components:
       - signoz/ListPanel
       - signoz/TextPanel
       - signoz/HeatmapPanel
-      - signoz/ScatterPlotPanel
       type: string
     DashboardtypesPanelPluginVariantGithubComSigNozSignozPkgTypesDashboardtypesAreaChartPanelSpec:
       properties:
@@ -5394,18 +5384,6 @@ components:
       - kind
       - spec
       type: object
-    DashboardtypesPanelPluginVariantGithubComSigNozSignozPkgTypesDashboardtypesScatterPlotPanelSpec:
-      properties:
-        kind:
-          enum:
-          - signoz/ScatterPlotPanel
-          type: string
-        spec:
-          $ref: '#/components/schemas/DashboardtypesScatterPlotPanelSpec'
-      required:
-      - kind
-      - spec
-      type: object
     DashboardtypesPanelPluginVariantGithubComSigNozSignozPkgTypesDashboardtypesTablePanelSpec:
       properties:
         kind:
@@ -5516,16 +5494,6 @@ components:
           - $ref: '#/components/schemas/DashboardtypesBasicVisualization'
           description: The time range the slices are computed over.
       type: object
-    DashboardtypesPointDiameter:
-      maximum: 40
-      minimum: 2
-      nullable: true
-      type: integer
-    DashboardtypesPointOpacity:
-      maximum: 1
-      minimum: 0.1
-      nullable: true
-      type: number
     DashboardtypesPostableDashboardV2:
       properties:
         generateName:
@@ -5780,104 +5748,6 @@ components:
       required:
       - queryValue
       type: object
-    DashboardtypesScatterPlotAxes:
-      properties:
-        x:
-          $ref: '#/components/schemas/DashboardtypesScatterPlotAxis'
-        "y":
-          $ref: '#/components/schemas/DashboardtypesScatterPlotAxis'
-      type: object
-    DashboardtypesScatterPlotAxis:
-      properties:
-        label:
-          description: Axis title. Empty draws none.
-          type: string
-        scale:
-          $ref: '#/components/schemas/DashboardtypesAxisScale'
-        softMax:
-          nullable: true
-          type: number
-        softMin:
-          nullable: true
-          type: number
-      type: object
-    DashboardtypesScatterPlotChartAppearance:
-      properties:
-        points:
-          $ref: '#/components/schemas/DashboardtypesScatterPlotPoints'
-      type: object
-    DashboardtypesScatterPlotDimensions:
-      properties:
-        colorBy:
-          description: Group-by label names (e.g. k8s.namespace.name) whose combined
-            values colour dots and drive the legend. Empty colours by every group-by
-            label.
-          items:
-            type: string
-          nullable: true
-          type: array
-        sizeBy:
-          description: Value column key that scales dot size. Empty draws every dot
-            at the default size.
-          type: string
-        x:
-          description: Value column key (queryName, or queryName.expression for a
-            multi-aggregation query) plotted on the x axis. Empty uses the first value
-            column.
-          type: string
-        "y":
-          description: Value column key plotted on the y axis. Empty uses the second
-            value column.
-          type: string
-      type: object
-    DashboardtypesScatterPlotPanelSpec:
-      properties:
-        axes:
-          $ref: '#/components/schemas/DashboardtypesScatterPlotAxes'
-        chartAppearance:
-          $ref: '#/components/schemas/DashboardtypesScatterPlotChartAppearance'
-        dimensions:
-          $ref: '#/components/schemas/DashboardtypesScatterPlotDimensions'
-        formatting:
-          $ref: '#/components/schemas/DashboardtypesTableFormatting'
-        legend:
-          $ref: '#/components/schemas/DashboardtypesLegend'
-        thresholds:
-          items:
-            $ref: '#/components/schemas/DashboardtypesScatterPlotThreshold'
-          nullable: true
-          type: array
-        visualization:
-          $ref: '#/components/schemas/DashboardtypesBasicVisualization'
-      type: object
-    DashboardtypesScatterPlotPoints:
-      properties:
-        maxSize:
-          $ref: '#/components/schemas/DashboardtypesPointDiameter'
-        minSize:
-          $ref: '#/components/schemas/DashboardtypesPointDiameter'
-        opacity:
-          $ref: '#/components/schemas/DashboardtypesPointOpacity'
-        size:
-          $ref: '#/components/schemas/DashboardtypesPointDiameter'
-      type: object
-    DashboardtypesScatterPlotThreshold:
-      properties:
-        axis:
-          $ref: '#/components/schemas/DashboardtypesThresholdAxis'
-        color:
-          type: string
-        label:
-          type: string
-        unit:
-          type: string
-        value:
-          format: double
-          type: number
-      required:
-      - value
-      - color
-      type: object
     DashboardtypesSource:
       enum:
       - user
@@ -6044,11 +5914,6 @@ components:
       - value
       - name
       type: object
-    DashboardtypesThresholdAxis:
-      enum:
-      - x
-      - "y"
-      type: string
     DashboardtypesThresholdFormat:
       enum:
       - text

frontend/__mocks__/uplotMock.ts

@@ -57,7 +57,6 @@ const mockPaths = {
 const mockTzDate = jest.fn(
 	(date: Date, _timezone: string) => new Date(date.getTime()),
 );
-const mockOrient = jest.fn();
 
 // Mock uPlot constructor - this needs to be a proper constructor function
 function MockUPlot(
@@ -71,7 +70,6 @@ function MockUPlot(
 // Add static methods to the constructor
 MockUPlot.tzDate = mockTzDate;
 MockUPlot.paths = mockPaths;
-MockUPlot.orient = mockOrient;
 // Pinned so canvas-space maths in draw hooks is deterministic under jsdom.
 MockUPlot.pxRatio = 1;
 

frontend/src/api/ErrorResponseHandler.ts

@@ -2,6 +2,15 @@ import { AxiosError, AxiosResponse, isCancel } from 'axios';
 import { ErrorResponse } from 'types/api';
 import { ErrorStatusCode } from 'types/common';
 
+function getClientErrorMessage(data: AxiosResponse['data']): string {
+	const { errors, error } = data;
+	if (Array.isArray(errors) && errors.length >= 1) {
+		return errors[0].msg;
+	}
+	// v2 endpoints send `error` as an `{ code, message }` envelope.
+	return typeof error?.message === 'string' ? error.message : error;
+}
+
 export function ErrorResponseHandler(error: AxiosError): ErrorResponse {
 	const { response, request } = error;
 	if (response) {
@@ -21,15 +30,10 @@ export function ErrorResponseHandler(error: AxiosError): ErrorResponse {
 				};
 			}
 
-			const { errors, error } = data;
-
-			const errorMessage =
-				Array.isArray(errors) && errors.length >= 1 ? errors[0].msg : error;
-
 			return {
 				statusCode,
 				payload: null,
-				error: errorMessage,
+				error: getClientErrorMessage(data),
 				message: (response.data as any)?.status,
 				body: JSON.stringify((response.data as any).data),
 			};

frontend/src/api/__tests__/ErrorResponseHandler.test.ts

@@ -21,4 +21,19 @@ describe('ErrorResponseHandler', () => {
 
 		consoleError.mockRestore();
 	});
+
+	it('flattens a v2 error envelope on a 4xx to its message', () => {
+		const error = new AxiosError('Request failed', '400', undefined, undefined, {
+			status: 400,
+			statusText: 'Bad Request',
+			headers: {},
+			config: {} as never,
+			data: {
+				status: 'error',
+				error: { code: 'invalid_input', message: 'Syntax error: bad query' },
+			},
+		});
+
+		expect(ErrorResponseHandler(error).error).toBe('Syntax error: bad query');
+	});
 });

frontend/src/lib/uPlotV2/components/Tooltip/ScatterTooltip.module.scss

@@ -1,89 +0,0 @@
-// Sections own the padding so the footer spans edge to edge.
-.container {
-	font-family: 'Inter';
-	font-size: 12px;
-	background: var(--l2-background);
-	-webkit-font-smoothing: antialiased;
-	color: var(--l2-foreground);
-	border-radius: 6px;
-	border: 1px solid var(--l2-border);
-	display: flex;
-	flex-direction: column;
-	min-width: 200px;
-
-	&.pinned {
-		border-color: var(--ring);
-	}
-}
-
-.divider {
-	display: block;
-	width: 100%;
-	height: 1px;
-	background-color: var(--l2-border);
-}
-
-.header {
-	display: flex;
-	align-items: center;
-	gap: var(--spacing-2);
-	padding: var(--spacing-3) var(--spacing-4);
-}
-
-// Matches the legend row's marker.
-.marker {
-	width: 10px;
-	height: 10px;
-	border-radius: var(--radius);
-	flex-shrink: 0;
-}
-
-.title {
-	flex: 1;
-	min-width: 0;
-	font-family: var(--font-mono);
-	font-size: var(--font-size-xs);
-	font-weight: 600;
-	color: var(--text-vanilla-100);
-	overflow: hidden;
-	text-overflow: ellipsis;
-	white-space: nowrap;
-}
-
-.rows {
-	display: flex;
-	flex-direction: column;
-	gap: var(--spacing-1);
-	padding: var(--spacing-3) var(--spacing-4);
-}
-
-.row {
-	display: flex;
-	align-items: baseline;
-	justify-content: space-between;
-	gap: var(--spacing-4);
-	font-family: var(--font-mono);
-	font-size: var(--font-size-xs);
-	font-variant-numeric: tabular-nums;
-	color: var(--text-vanilla-100);
-}
-
-.rowMuted {
-	color: var(--text-vanilla-400);
-}
-
-.rowLabel {
-	flex: 1;
-	min-width: 0;
-	overflow: hidden;
-	text-overflow: ellipsis;
-	white-space: nowrap;
-}
-
-.rowValue {
-	flex: 0 0 auto;
-	max-width: 60%;
-	overflow: hidden;
-	text-overflow: ellipsis;
-	white-space: nowrap;
-}

frontend/src/lib/uPlotV2/components/Tooltip/ScatterTooltip.tsx

@@ -1,136 +0,0 @@
-import { useMemo } from 'react';
-import cx from 'classnames';
-import { Pin } from '@signozhq/icons';
-import { Button } from '@signozhq/ui/button';
-import { Typography } from '@signozhq/ui/typography';
-
-import { ScatterTooltipProps } from '../types';
-import { buildChannelRows, resolveHoveredPoint } from './scatterTooltipContent';
-
-import Styles from './ScatterTooltip.module.scss';
-
-/** Own component: the shared Tooltip lists one row per series at a shared x. */
-export default function ScatterTooltip({
-	uPlotInstance,
-	dataIndexes,
-	seriesIndex,
-	channels,
-	resolvePointGroupValues,
-	decimalPrecision,
-	isPinned,
-	dismiss,
-	renderTooltipFooter,
-}: ScatterTooltipProps): JSX.Element | null {
-	const hoveredPoint = useMemo(
-		() => resolveHoveredPoint(uPlotInstance, seriesIndex, dataIndexes),
-		[uPlotInstance, seriesIndex, dataIndexes],
-	);
-
-	const rows = useMemo(
-		() =>
-			hoveredPoint
-				? buildChannelRows(hoveredPoint, channels, decimalPrecision)
-				: [],
-		[hoveredPoint, channels, decimalPrecision],
-	);
-
-	const labels = useMemo(
-		() =>
-			hoveredPoint
-				? (resolvePointGroupValues?.(
-						hoveredPoint.seriesIndex,
-						hoveredPoint.dataIndex,
-					) ?? [])
-				: [],
-		[hoveredPoint, resolvePointGroupValues],
-	);
-
-	if (!hoveredPoint) {
-		return null;
-	}
-
-	return (
-		<div
-			className={cx(Styles.container, { [Styles.pinned]: isPinned })}
-			data-pinned={isPinned}
-			data-testid="scatter-tooltip"
-		>
-			<div className={Styles.header}>
-				<span
-					className={Styles.marker}
-					style={{ backgroundColor: hoveredPoint.color }}
-				/>
-				<Typography.Text
-					as="span"
-					className={Styles.title}
-					title={hoveredPoint.label}
-					testId="scatter-tooltip-title"
-				>
-					{hoveredPoint.label}
-				</Typography.Text>
-				{isPinned && (
-					<Button
-						variant="ghost"
-						color="secondary"
-						size="sm"
-						prefix={<Pin size={12} />}
-						testId="scatter-tooltip-status"
-					>
-						Pinned
-					</Button>
-				)}
-			</div>
-
-			<span className={Styles.divider} />
-
-			<div className={Styles.rows}>
-				{rows.map((row) => (
-					<div
-						key={row.label}
-						className={Styles.row}
-						data-testid="scatter-tooltip-row"
-					>
-						<Typography.Text as="span" className={Styles.rowLabel}>
-							{row.label}
-						</Typography.Text>
-						<Typography.Text as="span" className={Styles.rowValue}>
-							{row.value}
-						</Typography.Text>
-					</div>
-				))}
-			</div>
-
-			{labels.length > 0 && (
-				<>
-					<span className={Styles.divider} />
-					<div className={Styles.rows}>
-						{labels.map((label) => (
-							<div
-								key={label.key}
-								className={cx(Styles.row, Styles.rowMuted)}
-								data-testid="scatter-tooltip-label"
-							>
-								<Typography.Text
-									as="span"
-									className={Styles.rowLabel}
-									title={label.key}
-								>
-									{label.key}
-								</Typography.Text>
-								<Typography.Text
-									as="span"
-									className={Styles.rowValue}
-									title={label.value}
-								>
-									{label.value}
-								</Typography.Text>
-							</div>
-						))}
-					</div>
-				</>
-			)}
-
-			{renderTooltipFooter?.({ isPinned, dismiss })}
-		</div>
-	);
-}

frontend/src/lib/uPlotV2/components/Tooltip/__tests__/scatterTooltipContent.test.ts

@@ -1,94 +0,0 @@
-import type uPlot from 'uplot';
-
-import {
-	buildChannelRows,
-	resolveHoveredPoint,
-	ScatterHoveredPoint,
-} from '../scatterTooltipContent';
-
-jest.mock('components/Graph/yAxisConfig', () => ({
-	getToolTipValue: jest.fn((value: number | string, unit?: string) =>
-		`${value} ${unit ?? ''}`.trim(),
-	),
-}));
-
-const plot = {
-	data: [
-		null,
-		[
-			[10, 20],
-			[100, 200],
-			[5, null],
-		],
-		[[30], [300]],
-	],
-	series: [
-		{},
-		{ label: 'cart', stroke: '#ff0000' },
-		{ label: 'checkout', stroke: (): string => '#00ff00' },
-	],
-} as unknown as uPlot;
-
-describe('resolveHoveredPoint', () => {
-	it('reads the focused series at its own data index', () => {
-		expect(resolveHoveredPoint(plot, 1, [null, 1, null])).toStrictEqual({
-			seriesIndex: 1,
-			dataIndex: 1,
-			label: 'cart',
-			color: '#ff0000',
-			x: 20,
-			y: 200,
-			size: null,
-		});
-	});
-
-	it('carries the size column when present and resolves function strokes', () => {
-		expect(resolveHoveredPoint(plot, 1, [null, 0, null])?.size).toBe(5);
-		expect(resolveHoveredPoint(plot, 2, [null, null, 0])).toMatchObject({
-			label: 'checkout',
-			color: '#00ff00',
-			size: null,
-		});
-	});
-
-	it('is null without a focused series or an index for it', () => {
-		expect(resolveHoveredPoint(plot, null, [null, 0, null])).toBeNull();
-		expect(resolveHoveredPoint(plot, 0, [0, 0, null])).toBeNull();
-		expect(resolveHoveredPoint(plot, 1, [null, null, null])).toBeNull();
-	});
-});
-
-describe('buildChannelRows', () => {
-	const point: ScatterHoveredPoint = {
-		seriesIndex: 1,
-		dataIndex: 0,
-		label: 'cart',
-		color: '#f00',
-		x: 12,
-		y: 340,
-		size: 7,
-	};
-
-	it('formats x and y with their own units', () => {
-		const rows = buildChannelRows(point, {
-			x: { label: 'Throughput', unit: 'reqps' },
-			y: { label: 'p99', unit: 'ms' },
-		});
-
-		expect(rows).toStrictEqual([
-			{ label: 'Throughput', value: '12 reqps' },
-			{ label: 'p99', value: '340 ms' },
-		]);
-	});
-
-	it('adds the size row only when the channel is mapped and the point has one', () => {
-		const channels = {
-			x: { label: 'x' },
-			y: { label: 'y' },
-			size: { label: 'Errors' },
-		};
-
-		expect(buildChannelRows(point, channels)).toHaveLength(3);
-		expect(buildChannelRows({ ...point, size: null }, channels)).toHaveLength(2);
-	});
-});

frontend/src/lib/uPlotV2/components/Tooltip/scatterTooltipContent.ts

@@ -1,89 +0,0 @@
-import { PrecisionOption } from 'components/Graph/types';
-import { getToolTipValue } from 'components/Graph/yAxisConfig';
-import type uPlot from 'uplot';
-
-import type {
-	ScatterChannel,
-	ScatterChannels,
-	ScatterSeriesData,
-} from '../../plugins/ScatterPlugin/types';
-import { resolveSeriesColor } from './utils';
-
-export interface ScatterHoveredPoint {
-	seriesIndex: number;
-	dataIndex: number;
-	label: string;
-	color: string;
-	x: number;
-	y: number;
-	size: number | null;
-}
-
-export interface ScatterTooltipRow {
-	label: string;
-	value: string;
-}
-
-export function resolveHoveredPoint(
-	u: uPlot,
-	seriesIndex: number | null,
-	dataIndexes: Array<number | null>,
-): ScatterHoveredPoint | null {
-	if (seriesIndex == null || seriesIndex < 1) {
-		return null;
-	}
-	const dataIndex = dataIndexes[seriesIndex];
-	const series = u.series[seriesIndex];
-	const columns = u.data[seriesIndex] as unknown as
-		| ScatterSeriesData
-		| undefined;
-	if (dataIndex == null || !series || !columns) {
-		return null;
-	}
-	const x = columns[0][dataIndex];
-	const y = columns[1][dataIndex];
-	if (x == null || y == null) {
-		return null;
-	}
-	return {
-		seriesIndex,
-		dataIndex,
-		label: String(series.label ?? ''),
-		color: resolveSeriesColor(series.stroke, u, seriesIndex),
-		x,
-		y,
-		size: columns[2]?.[dataIndex] ?? null,
-	};
-}
-
-function formatChannel(
-	value: number,
-	channel: ScatterChannel,
-	decimalPrecision?: PrecisionOption,
-): string {
-	return getToolTipValue(value, channel.unit, decimalPrecision);
-}
-
-export function buildChannelRows(
-	point: ScatterHoveredPoint,
-	channels: ScatterChannels,
-	decimalPrecision?: PrecisionOption,
-): ScatterTooltipRow[] {
-	const rows: ScatterTooltipRow[] = [
-		{
-			label: channels.x.label,
-			value: formatChannel(point.x, channels.x, decimalPrecision),
-		},
-		{
-			label: channels.y.label,
-			value: formatChannel(point.y, channels.y, decimalPrecision),
-		},
-	];
-	if (channels.size && point.size != null) {
-		rows.push({
-			label: channels.size.label,
-			value: formatChannel(point.size, channels.size, decimalPrecision),
-		});
-	}
-	return rows;
-}

frontend/src/lib/uPlotV2/components/types.ts

@@ -6,10 +6,6 @@ import uPlot from 'uplot';
 import { UPlotConfigBuilder } from '../config/UPlotConfigBuilder';
 import { LegendItem } from '../config/types';
 import { HeatmapSeries, HeatmapYAxis } from '../plugins/HeatmapPlugin/types';
-import type {
-	ScatterChannels,
-	ScatterPointLabel,
-} from '../plugins/ScatterPlugin/types';
 import { SyncTooltipFilterMode } from '../plugins/TooltipPlugin/types';
 
 /**
@@ -123,16 +119,6 @@ export interface HeatmapTooltipProps
 	groupColor: string;
 }
 
-export interface ScatterTooltipProps
-	extends BaseTooltipProps, TooltipRenderArgs {
-	channels: ScatterChannels;
-	/** The group values behind a point, e.g. `service.name` → `cart`. */
-	resolvePointGroupValues?: (
-		seriesIndex: number,
-		dataIndex: number,
-	) => ScatterPointLabel[];
-}
-
 export type TooltipProps =
 	| TimeSeriesTooltipProps
 	| BarTooltipProps

frontend/src/lib/uPlotV2/config/UPlotAxisBuilder.ts

@@ -39,16 +39,6 @@ export class UPlotAxisBuilder extends ConfigBuilder<AxisProps, Axis> {
 		};
 	}
 
-	/** Styled like the grid. */
-	private buildBorderConfig(
-		grid: uPlot.Axis.Grid | undefined,
-	): uPlot.Axis.Border | undefined {
-		if (this.props.showBorder === false || !grid || grid.show === false) {
-			return undefined;
-		}
-		return { show: true, stroke: grid.stroke, width: grid.width };
-	}
-
 	/**
 	 * Build ticks configuration
 	 */
@@ -69,47 +59,31 @@ export class UPlotAxisBuilder extends ConfigBuilder<AxisProps, Axis> {
 
 	/**
 	 * Build values formatter for X-axis (time)
-	 * A non-time x axis with a unit or precision formats like a value axis.
 	 */
 	private buildXAxisValuesFormatter(): uPlot.Axis.Values | undefined {
-		const { isTimeAxis, yAxisUnit, decimalPrecision } = this.props;
+		const { isTimeAxis } = this.props;
 
 		if (isTimeAxis) {
 			return uPlotXAxisValuesFormat as uPlot.Axis.Values;
 		}
 
-		if (yAxisUnit !== undefined || decimalPrecision !== undefined) {
-			return this.buildValueAxisFormatter();
-		}
-
 		return undefined;
 	}
 
 	/**
 	 * Build values formatter for Y-axis (values with units)
-	 * Blanks splits outside the scale; uPlot's asinh splits always include ±threshold.
 	 */
-	private buildValueAxisFormatter(): uPlot.Axis.Values {
-		const { yAxisUnit, decimalPrecision, scaleKey } = this.props;
+	private buildYAxisValuesFormatter(): uPlot.Axis.Values {
+		const { yAxisUnit, decimalPrecision } = this.props;
 
-		return (u, t): string[] => {
-			const scale = u?.scales?.[scaleKey];
-			const min = scale?.min ?? -Infinity;
-			const max = scale?.max ?? Infinity;
-			return t.map((v) => {
-				if (
-					v === null ||
-					v === undefined ||
-					Number.isNaN(v) ||
-					v < min ||
-					v > max
-				) {
+		return (_, t): string[] =>
+			t.map((v) => {
+				if (v === null || v === undefined || Number.isNaN(v)) {
 					return '';
 				}
 				const value = getToolTipValue(v.toString(), yAxisUnit, decimalPrecision);
 				return `${value}`;
 			});
-		};
 	}
 
 	/**
@@ -127,7 +101,7 @@ export class UPlotAxisBuilder extends ConfigBuilder<AxisProps, Axis> {
 		return scaleKey === 'x'
 			? this.buildXAxisValuesFormatter()
 			: scaleKey === 'y'
-				? this.buildValueAxisFormatter()
+				? this.buildYAxisValuesFormatter()
 				: undefined;
 	}
 
@@ -175,12 +149,10 @@ export class UPlotAxisBuilder extends ConfigBuilder<AxisProps, Axis> {
 			side = 2, // bottom by default
 			space,
 			splits,
-			filter,
 			gap = 5, // default gap is 5
 		} = this.props;
 
 		const grid = this.buildGridConfig();
-		const border = this.buildBorderConfig(grid);
 		const ticks = this.buildTicksConfig();
 		const values = this.buildValuesFormatter();
 		const size = this.buildSizeCalculator();
@@ -205,9 +177,6 @@ export class UPlotAxisBuilder extends ConfigBuilder<AxisProps, Axis> {
 		if (ticks) {
 			axisConfig.ticks = ticks;
 		}
-		if (border) {
-			axisConfig.border = border;
-		}
 		if (values) {
 			axisConfig.values = values;
 		}
@@ -220,9 +189,6 @@ export class UPlotAxisBuilder extends ConfigBuilder<AxisProps, Axis> {
 		if (space !== undefined) {
 			axisConfig.space = space;
 		}
-		if (filter) {
-			axisConfig.filter = filter;
-		}
 		if (size) {
 			axisConfig.size = size;
 		}

frontend/src/lib/uPlotV2/config/UPlotConfigBuilder.ts

@@ -20,7 +20,6 @@ import {
 	ConfigBuilder,
 	ConfigBuilderProps,
 	LegendItem,
-	PlotMode,
 	SelectionPreferencesSource,
 	StackMode,
 } from './types';
@@ -67,8 +66,6 @@ export class UPlotConfigBuilder extends ConfigBuilder<
 
 	private stackMode: StackMode = StackMode.None;
 
-	private mode: PlotMode = PlotMode.Aligned;
-
 	private cursor: Cursor | undefined;
 
 	private hooks: Hooks.Arrays = {};
@@ -166,10 +163,6 @@ export class UPlotConfigBuilder extends ConfigBuilder<
 		return this.stackMode;
 	}
 
-	setMode(mode: PlotMode): void {
-		this.mode = mode;
-	}
-
 	/**
 	 * Add or merge a scale configuration
 	 */
@@ -526,10 +519,6 @@ export class UPlotConfigBuilder extends ConfigBuilder<
 			{} as Record<string, uPlot.Scale>,
 		);
 
-		if (this.mode === PlotMode.Faceted) {
-			config.mode = this.mode as number as uPlot.Mode;
-		}
-
 		config.hooks = this.hooks;
 		config.select = this.select;
 

frontend/src/lib/uPlotV2/config/UPlotScaleBuilder.ts

@@ -40,7 +40,6 @@ export class UPlotScaleBuilder extends ConfigBuilder<
 			range,
 			thresholds,
 			logBase = 10,
-			asinhThreshold,
 			padMinBy = 0,
 			padMaxBy = 0.05,
 		} = this.props;
@@ -100,7 +99,6 @@ export class UPlotScaleBuilder extends ConfigBuilder<
 			time,
 			distr,
 			logBase,
-			asinhThreshold,
 		});
 
 		const { rangeConfig, hardMinOnly, hardMaxOnly, hasFixedRange } =

frontend/src/lib/uPlotV2/config/UPlotSeriesBuilder.ts

@@ -88,8 +88,6 @@ export class UPlotSeriesBuilder extends ConfigBuilder<
 			lineConfig.fill = finalFillColor;
 		} else if (this.props.drawStyle === DrawStyle.Histogram) {
 			lineConfig.fill = `${finalFillColor}40`;
-		} else if (this.props.drawStyle === DrawStyle.Scatter) {
-			lineConfig.fill = `${finalFillColor}${toAlphaHex(resolveFillOpacity(fillOpacity))}`;
 		} else if (fillMode && fillMode !== FillMode.None) {
 			const resolvedOpacity = resolveFillOpacity(fillOpacity);
 			if (fillMode === FillMode.Solid) {
@@ -125,7 +123,7 @@ export class UPlotSeriesBuilder extends ConfigBuilder<
 			return { paths: pathBuilder };
 		}
 
-		if (isMarkerOnlyDrawStyle(drawStyle)) {
+		if (drawStyle === DrawStyle.Points) {
 			return { paths: (): null => null };
 		}
 
@@ -197,10 +195,6 @@ export class UPlotSeriesBuilder extends ConfigBuilder<
 		if (drawStyle === DrawStyle.Points) {
 			return true;
 		}
-		// The discs are the series path; uPlot's own points would double-draw them.
-		if (drawStyle === DrawStyle.Scatter) {
-			return false;
-		}
 		return !!showPoints;
 	}
 
@@ -232,7 +226,6 @@ export class UPlotSeriesBuilder extends ConfigBuilder<
 			show = true,
 			metric,
 			partialTimestamps,
-			facets,
 		} = this.props;
 
 		const resolvedLineColor = this.getLineColor();
@@ -262,7 +255,6 @@ export class UPlotSeriesBuilder extends ConfigBuilder<
 			points: Object.keys(pointsConfig).length > 0 ? pointsConfig : undefined,
 			metric,
 			...(partialTimestamps?.size ? { partialTimestamps } : {}),
-			...(facets && { facets }),
 		};
 	}
 }
@@ -275,11 +267,6 @@ interface PathBuilders {
 	[key: string]: Series.PathBuilder;
 }
 
-/** Draws standalone markers, never a connecting line. */
-function isMarkerOnlyDrawStyle(drawStyle: DrawStyle): boolean {
-	return drawStyle === DrawStyle.Points || drawStyle === DrawStyle.Scatter;
-}
-
 /**
  * Get path builder based on draw style and interpolation
  */

frontend/src/lib/uPlotV2/config/__tests__/UPlotAxisBuilder.test.ts

@@ -120,41 +120,6 @@ describe('UPlotAxisBuilder', () => {
 		});
 	});
 
-	it('draws the axis line by default, styled like the grid', () => {
-		const config = new UPlotAxisBuilder(
-			createAxisProps({ isDarkMode: true, grid: { width: 0.5 } }),
-		).getConfig();
-
-		expect(config.border).toStrictEqual({
-			show: true,
-			stroke: config.grid?.stroke,
-			width: 0.5,
-		});
-	});
-
-	it('leaves the axis line off when showBorder is false', () => {
-		expect(
-			new UPlotAxisBuilder(createAxisProps({ showBorder: false })).getConfig(),
-		).not.toHaveProperty('border');
-	});
-
-	it('leaves the axis line off when the grid is hidden', () => {
-		expect(
-			new UPlotAxisBuilder(createAxisProps({ grid: { show: false } })).getConfig(),
-		).not.toHaveProperty('border');
-	});
-
-	it('passes explicit splits and a label filter through to uPlot', () => {
-		const splits = jest.fn();
-		const filter = jest.fn();
-		const config = new UPlotAxisBuilder(
-			createAxisProps({ splits, filter }),
-		).getConfig();
-
-		expect(config.splits).toBe(splits);
-		expect(config.filter).toBe(filter);
-	});
-
 	it('uses provided ticks config when present and falls back to defaults otherwise', () => {
 		const customTicks = { width: 1, show: false };
 		const withTicks = new UPlotAxisBuilder(
@@ -411,51 +376,3 @@ describe('UPlotAxisBuilder', () => {
 		expect(config.values).toBeDefined();
 	});
 });
-
-describe('UPlotAxisBuilder value x axis', () => {
-	it('formats a non-time x axis with its unit', () => {
-		(getToolTipValue as jest.Mock).mockReturnValue('1.2K req/s');
-		const config = new UPlotAxisBuilder(
-			createAxisProps({ scaleKey: 'x', isTimeAxis: false, yAxisUnit: 'reqps' }),
-		).getConfig();
-
-		const values = (config.values as uPlot.Axis.DynamicValues)(
-			{} as uPlot,
-			[1200],
-			0,
-			0,
-			0,
-		);
-
-		expect(values).toStrictEqual(['1.2K req/s']);
-		expect(getToolTipValue).toHaveBeenCalledWith('1200', 'reqps', undefined);
-	});
-
-	it('leaves a non-time x axis to uPlot when nothing says how to format it', () => {
-		const config = new UPlotAxisBuilder(
-			createAxisProps({ scaleKey: 'x', isTimeAxis: false }),
-		).getConfig();
-
-		expect(config.values).toBeUndefined();
-	});
-});
-
-describe('UPlotAxisBuilder out-of-range splits', () => {
-	it('leaves a split the scale cannot place unlabelled', () => {
-		(getToolTipValue as jest.Mock).mockImplementation((v: string) => `${v} ms`);
-		const config = new UPlotAxisBuilder(
-			createAxisProps({ scaleKey: 'y', yAxisUnit: 'ms' }),
-		).getConfig();
-		const u = { scales: { y: { min: 0, max: 1000 } } } as unknown as uPlot;
-
-		const values = (config.values as uPlot.Axis.DynamicValues)(
-			u,
-			[-10, 0, 500, 5000],
-			0,
-			0,
-			0,
-		);
-
-		expect(values).toStrictEqual(['', '0 ms', '500 ms', '']);
-	});
-});

frontend/src/lib/uPlotV2/config/__tests__/UPlotConfigBuilder.test.ts

@@ -5,12 +5,7 @@ import {
 	STEP_INTERVAL_MULTIPLIER,
 } from '../../constants';
 import type { SeriesProps } from '../types';
-import {
-	DrawStyle,
-	PlotMode,
-	SelectionPreferencesSource,
-	StackMode,
-} from '../types';
+import { DrawStyle, SelectionPreferencesSource, StackMode } from '../types';
 import { UPlotConfigBuilder } from '../UPlotConfigBuilder';
 
 // Mock only the real boundary that hits localStorage
@@ -672,14 +667,3 @@ describe('UPlotConfigBuilder stacking', () => {
 		expect(builder.getConfig().hooks?.draw).toHaveLength(1);
 	});
 });
-
-describe('UPlotConfigBuilder plot mode', () => {
-	it('leaves mode unset for aligned data and emits 2 when faceted', () => {
-		const aligned = new UPlotConfigBuilder({ id: 'aligned' });
-		expect(aligned.getConfig().mode).toBeUndefined();
-
-		const faceted = new UPlotConfigBuilder({ id: 'faceted' });
-		faceted.setMode(PlotMode.Faceted);
-		expect(faceted.getConfig().mode).toBe(2);
-	});
-});

frontend/src/lib/uPlotV2/config/__tests__/UPlotSeriesBuilder.test.ts

@@ -425,39 +425,3 @@ describe('UPlotSeriesBuilder', () => {
 		);
 	});
 });
-
-describe('UPlotSeriesBuilder scatter', () => {
-	it('draws through the given path builder and hides uPlot points', () => {
-		const pathBuilder = jest.fn();
-		const config = new UPlotSeriesBuilder(
-			createBaseProps({
-				drawStyle: DrawStyle.Scatter,
-				pathBuilder,
-				facets: [{ scale: 'x' }, { scale: 'y' }],
-				lineColor: '#ff0000',
-				fillOpacity: 0.5,
-				lineWidth: 1,
-				pointSize: 8,
-			}),
-		).getConfig();
-
-		expect(config.paths).toBe(pathBuilder);
-		expect(config.facets).toStrictEqual([{ scale: 'x' }, { scale: 'y' }]);
-		expect(config.points?.show).toBe(false);
-		expect(config.points?.size).toBe(8);
-		expect(config.stroke).toBe('#ff0000');
-		expect(config.width).toBe(1);
-		expect(config.fill).toBe('#ff000080');
-	});
-
-	it('draws nothing without a path builder', () => {
-		const config = new UPlotSeriesBuilder(
-			createBaseProps({ drawStyle: DrawStyle.Scatter }),
-		).getConfig();
-
-		expect(
-			(config.paths as uPlot.Series.PathBuilder)({} as uPlot, 1, 0, 0),
-		).toBeNull();
-		expect(config.facets).toBeUndefined();
-	});
-});

frontend/src/lib/uPlotV2/config/types.ts

@@ -80,10 +80,6 @@ export interface AxisProps {
 	values?: uPlot.Axis.Values;
 	/** Explicit axis splits, overriding the default tick calculation. */
 	splits?: uPlot.Axis.Splits;
-	/** Which splits get a label, replacing uPlot's per-distribution default. */
-	filter?: uPlot.Axis.Filter;
-	/** Draw the axis line along the plot edge, styled like the grid. Default true. */
-	showBorder?: boolean;
 	/** Pixels between the ticks and their labels; also feeds the y axis width calculation. */
 	gap?: number;
 	/** Explicit axis thickness. Left unset, the y axis sizes itself to its widest label. */
@@ -94,7 +90,7 @@ export interface AxisProps {
 	isDarkMode?: boolean;
 	/** Axis is on a log scale — thins the grid lines to keep dense decades readable. */
 	isLogScale?: boolean;
-	/** Unit the y axis ticks are formatted in (`spec.formatting.unit`); a non-time x axis reads it too. */
+	/** Unit the y axis ticks are formatted in (`spec.formatting.unit`). */
 	yAxisUnit?: string;
 	/**
 	 * X axis carries timestamps, so its ticks format as dates/times. Declared by the caller
@@ -113,13 +109,6 @@ export interface AxisProps {
 export enum DistributionType {
 	Linear = 'linear',
 	Logarithmic = 'logarithmic',
-	/** arcsinh: linear within ±`asinhThreshold`, log beyond; places zero and negatives. */
-	SymmetricLog = 'symlog',
-}
-
-export enum PlotMode {
-	Aligned = 1,
-	Faceted = 2,
 }
 
 export interface ScaleProps {
@@ -136,8 +125,6 @@ export interface ScaleProps {
 	auto?: boolean;
 	logBase?: uPlot.Scale.LogBase;
 	distribution?: DistributionType;
-	/** Half-width of a `SymmetricLog` scale's linear band around zero. Default 1. */
-	asinhThreshold?: number;
 }
 
 export enum DisconnectedValuesMode {
@@ -159,7 +146,6 @@ export enum DrawStyle {
 	Points = 'points',
 	Bar = 'bar',
 	Histogram = 'histogram',
-	Scatter = 'scatter',
 }
 
 export enum LineInterpolation {
@@ -246,8 +232,6 @@ export interface SeriesProps extends LineConfig, PointsConfig, BarConfig {
 	metric?: { [key: string]: string };
 	/** Epoch-second x values whose bucket doesn't cover a full step; marked with a dotted ring. */
 	partialTimestamps?: Set<number>;
-	/** Mode 2 only: the scales the series' own x and y columns are read against. */
-	facets?: Series.Facet[];
 }
 
 export interface LegendItem {

frontend/src/lib/uPlotV2/plugins/ScatterPlugin/__tests__/geometry.test.ts

@@ -1,116 +0,0 @@
-import type uPlot from 'uplot';
-
-import { Quadtree } from '../../../utils/quadtree';
-import {
-	resolveHit,
-	resolvePointDiameter,
-	resolveSizeDomain,
-} from '../geometry';
-import { ScatterHit, ScatterPointSize } from '../types';
-
-const POINT_SIZE: ScatterPointSize = { fixed: 6, min: 4, max: 20 };
-
-const asData = (columns: unknown[]): uPlot.AlignedData =>
-	columns as unknown as uPlot.AlignedData;
-
-describe('resolveSizeDomain', () => {
-	it('spans the size columns of every series, skipping nulls', () => {
-		const data = asData([
-			null,
-			[
-				[1, 2],
-				[1, 2],
-				[10, null],
-			],
-			[[3], [3], [40]],
-		]);
-
-		expect(resolveSizeDomain(data)).toStrictEqual({ min: 10, max: 40 });
-	});
-
-	it('is null when no series carries sizes', () => {
-		expect(resolveSizeDomain(asData([null, [[1], [1]]]))).toBeNull();
-		expect(resolveSizeDomain(asData([null, [[1], [1], [null]]]))).toBeNull();
-	});
-});
-
-describe('resolvePointDiameter', () => {
-	it('uses the fixed diameter without a size or a domain', () => {
-		expect(resolvePointDiameter(null, { min: 0, max: 10 }, POINT_SIZE)).toBe(6);
-		expect(resolvePointDiameter(5, null, POINT_SIZE)).toBe(6);
-	});
-
-	it('maps the domain ends to min and max', () => {
-		const domain = { min: 0, max: 100 };
-		expect(resolvePointDiameter(0, domain, POINT_SIZE)).toBe(4);
-		expect(resolvePointDiameter(100, domain, POINT_SIZE)).toBe(20);
-	});
-
-	it('scales by area, not diameter', () => {
-		const midArea = (4 ** 2 + 20 ** 2) / 2;
-		expect(
-			resolvePointDiameter(50, { min: 0, max: 100 }, POINT_SIZE),
-		).toBeCloseTo(Math.sqrt(midArea));
-	});
-
-	it('clamps values outside the domain', () => {
-		const domain = { min: 10, max: 20 };
-		expect(resolvePointDiameter(-5, domain, POINT_SIZE)).toBe(4);
-		expect(resolvePointDiameter(500, domain, POINT_SIZE)).toBe(20);
-	});
-
-	it('uses the midpoint when every size is the same', () => {
-		expect(resolvePointDiameter(7, { min: 7, max: 7 }, POINT_SIZE)).toBe(12);
-	});
-});
-
-describe('resolveHit', () => {
-	const hit = (
-		seriesIndex: number,
-		dataIndex: number,
-		x: number,
-		y: number,
-		d: number,
-	): ScatterHit => ({ seriesIndex, dataIndex, x, y, w: d, h: d });
-
-	it('returns the disc under the cursor', () => {
-		const tree = new Quadtree<ScatterHit>(0, 0, 100, 100);
-		tree.add(hit(1, 0, 10, 10, 6));
-		tree.add(hit(2, 3, 50, 50, 6));
-
-		expect(resolveHit(tree, 13, 13, 0)).toMatchObject({
-			seriesIndex: 1,
-			dataIndex: 0,
-		});
-		expect(resolveHit(tree, 52, 52, 0)).toMatchObject({
-			seriesIndex: 2,
-			dataIndex: 3,
-		});
-	});
-
-	it('is null when the cursor is off every disc', () => {
-		const tree = new Quadtree<ScatterHit>(0, 0, 100, 100);
-		tree.add(hit(1, 0, 10, 10, 6));
-
-		expect(resolveHit(tree, 30, 30, 0)).toBeNull();
-		// Inside the disc's bounding square, outside the disc.
-		expect(resolveHit(tree, 15.8, 15.8, 0)).toBeNull();
-	});
-
-	it('tolerance widens each disc', () => {
-		const tree = new Quadtree<ScatterHit>(0, 0, 100, 100);
-		tree.add(hit(1, 0, 10, 10, 6));
-
-		expect(resolveHit(tree, 18, 13, 0)).toBeNull();
-		expect(resolveHit(tree, 18, 13, 3)).not.toBeNull();
-	});
-
-	it('prefers the disc whose centre is nearest when they overlap', () => {
-		const tree = new Quadtree<ScatterHit>(0, 0, 100, 100);
-		tree.add(hit(1, 0, 10, 10, 10));
-		tree.add(hit(1, 1, 14, 10, 10));
-
-		expect(resolveHit(tree, 13, 15, 0)?.dataIndex).toBe(0);
-		expect(resolveHit(tree, 21, 15, 0)?.dataIndex).toBe(1);
-	});
-});

frontend/src/lib/uPlotV2/plugins/ScatterPlugin/__tests__/scatterPlugin.test.ts

@@ -1,290 +0,0 @@
-import uPlot from 'uplot';
-
-import { UPlotConfigBuilder } from '../../../config/UPlotConfigBuilder';
-import {
-	applyScatterPlugin,
-	createScatterPlugin,
-	SCATTER_FACETS,
-} from '../scatterPlugin';
-
-jest.mock('lib/visualization/panels/utils/legendVisibilityUtils', () => ({
-	getStoredSeriesVisibility: jest.fn(),
-}));
-
-/** jsdom has no Path2D; the builder only needs something that takes the calls. */
-class FakePath2D {
-	moveTo = jest.fn();
-	arc = jest.fn();
-}
-
-type OrientCallback = Parameters<typeof uPlot.orient>[2];
-
-interface FakePlotArgs {
-	series: Array<{ xs: number[]; ys: number[]; sizes?: Array<number | null> }>;
-	cursor?: { left: number; top: number };
-	scaleX?: { min: number; max: number };
-	scaleY?: { min: number; max: number };
-}
-
-/**
- * A 100×100 plot at the canvas origin with identity scales: value 10 draws at
- * pixel 10 on x, and at 100 − 10 on y (uPlot's y grows downward).
- */
-function createFakePlot({
-	series,
-	cursor = { left: -1, top: -1 },
-	scaleX = { min: 0, max: 100 },
-	scaleY = { min: 0, max: 100 },
-}: FakePlotArgs): uPlot {
-	const data = [
-		null,
-		...series.map((entry) =>
-			entry.sizes ? [entry.xs, entry.ys, entry.sizes] : [entry.xs, entry.ys],
-		),
-	];
-	return {
-		data,
-		series: [{}, ...series.map((_, index) => ({ label: `s${index + 1}` }))],
-		bbox: { left: 0, top: 0, width: 100, height: 100 },
-		cursor,
-		scales: { x: scaleX, y: scaleY },
-	} as unknown as uPlot;
-}
-
-/** Stands in for `uPlot.orient`: identity x, flipped y, an `arc` that records. */
-function orientWithIdentityScales(
-	u: uPlot,
-	seriesIdx: number,
-	cb: OrientCallback,
-): void {
-	const columns = (u.data as unknown as Array<number[][] | null>)[seriesIdx];
-	if (!columns) {
-		return;
-	}
-	const scaleX = (u.scales as unknown as Record<string, uPlot.Scale>).x;
-	const scaleY = (u.scales as unknown as Record<string, uPlot.Scale>).y;
-	const valToPosX = (value: number): number => value;
-	const valToPosY = (value: number): number => 100 - value;
-	// Real uPlot's `arc` helper forwards to the path; the test counts those calls.
-	const arc = (path: FakePath2D, ...args: number[]): void => {
-		path.arc(...args);
-	};
-	cb(
-		u.series[seriesIdx],
-		columns[0],
-		columns[1],
-		scaleX,
-		scaleY,
-		valToPosX as unknown as uPlot.ValToPos,
-		valToPosY as unknown as uPlot.ValToPos,
-		0,
-		0,
-		100,
-		100,
-		jest.fn() as never,
-		jest.fn() as never,
-		jest.fn() as never,
-		arc as never,
-		jest.fn() as never,
-	);
-}
-
-describe('createScatterPlugin', () => {
-	beforeAll(() => {
-		(globalThis as { Path2D?: unknown }).Path2D = FakePath2D;
-	});
-
-	let orient: jest.SpyInstance;
-
-	beforeEach(() => {
-		orient = jest
-			.spyOn(uPlot, 'orient')
-			.mockImplementation(orientWithIdentityScales);
-	});
-
-	afterEach(() => {
-		orient.mockReset();
-	});
-
-	function drawAll(
-		u: uPlot,
-		plugin: ReturnType<typeof createScatterPlugin>,
-	): void {
-		plugin.hooks.drawClear(u);
-		for (let seriesIdx = 1; seriesIdx < u.series.length; seriesIdx++) {
-			const columns = (u.data as unknown as number[][][])[seriesIdx];
-			plugin.pathBuilder(u, seriesIdx, 0, columns[0].length - 1);
-		}
-	}
-
-	/** Runs the cursor scan the way uPlot does: every data series, in order. */
-	function scan(
-		u: uPlot,
-		plugin: ReturnType<typeof createScatterPlugin>,
-	): Array<number | null> {
-		const dataIdx = plugin.cursor.dataIdx as NonNullable<uPlot.Cursor['dataIdx']>;
-		const indexes: Array<number | null> = [null];
-		for (let seriesIdx = 1; seriesIdx < u.series.length; seriesIdx++) {
-			indexes.push(dataIdx(u, seriesIdx, 0, 0));
-		}
-		return indexes;
-	}
-
-	it('returns one path that strokes and fills the same discs', () => {
-		const plugin = createScatterPlugin();
-		const u = createFakePlot({ series: [{ xs: [10, 20], ys: [10, 20] }] });
-		plugin.hooks.drawClear(u);
-
-		const paths = plugin.pathBuilder(u, 1, 0, 1) as uPlot.Series.Paths;
-
-		expect(paths.stroke).toBeInstanceOf(FakePath2D);
-		expect(paths.fill).toBe(paths.stroke);
-		expect((paths.fill as unknown as FakePath2D).arc).toHaveBeenCalledTimes(2);
-	});
-
-	it('resolves the hovered point to its own series and index', () => {
-		const plugin = createScatterPlugin({
-			pointSize: { fixed: 6, min: 4, max: 20 },
-		});
-		const u = createFakePlot({
-			series: [
-				{ xs: [10, 50], ys: [10, 50] },
-				{ xs: [80], ys: [80] },
-			],
-			// Over the second series' only point: x 80, y drawn at 100 − 80.
-			cursor: { left: 80, top: 20 },
-		});
-		drawAll(u, plugin);
-
-		expect(scan(u, plugin)).toStrictEqual([null, null, 0]);
-		expect(plugin.getHit()).toMatchObject({ seriesIndex: 2, dataIndex: 0 });
-	});
-
-	it('returns null for every series when the cursor is off the plot or off any disc', () => {
-		const plugin = createScatterPlugin();
-		const u = createFakePlot({
-			series: [{ xs: [10], ys: [10] }],
-			cursor: { left: -1, top: -1 },
-		});
-		drawAll(u, plugin);
-
-		expect(scan(u, plugin)).toStrictEqual([null, null]);
-
-		(u.cursor as { left: number; top: number }).left = 50;
-		(u.cursor as { left: number; top: number }).top = 50;
-		expect(scan(u, plugin)).toStrictEqual([null, null]);
-	});
-
-	it('skips points outside the visible scale range', () => {
-		const plugin = createScatterPlugin();
-		const u = createFakePlot({
-			series: [{ xs: [10, 500], ys: [10, 10] }],
-			cursor: { left: 10, top: 90 },
-		});
-		drawAll(u, plugin);
-
-		const paths = plugin.pathBuilder(u, 1, 0, 1) as uPlot.Series.Paths;
-		expect((paths.fill as unknown as FakePath2D).arc).toHaveBeenCalledTimes(1);
-		expect(scan(u, plugin)).toStrictEqual([null, 0]);
-	});
-
-	it('rings the hit disc, in CSS pixels, with a gap around it', () => {
-		const plugin = createScatterPlugin({
-			pointSize: { fixed: 8, min: 4, max: 20 },
-		});
-		const u = createFakePlot({
-			series: [{ xs: [10], ys: [10] }],
-			cursor: { left: 10, top: 90 },
-		});
-		drawAll(u, plugin);
-		scan(u, plugin);
-
-		const bbox = plugin.cursor.points?.bbox;
-		// The 8px disc spans 6..14; the ring sits 3px out and is 2px wide.
-		expect(bbox?.(u, 1)).toStrictEqual({
-			left: 1,
-			top: 81,
-			width: 18,
-			height: 18,
-		});
-		expect(bbox?.(u, 2)).toMatchObject({ width: 0, height: 0 });
-	});
-
-	it('snaps the ring to whole pixels without moving its centre', () => {
-		const plugin = createScatterPlugin({
-			pointSize: { fixed: 7, min: 4, max: 20 },
-		});
-		const u = createFakePlot({
-			series: [{ xs: [10], ys: [10] }],
-			cursor: { left: 10, top: 90 },
-		});
-		drawAll(u, plugin);
-		scan(u, plugin);
-
-		// The 7px disc starts at 6.5, so the ring's edge would land on 1.5.
-		const ring = plugin.cursor.points?.bbox?.(u, 1);
-		expect(ring).toMatchObject({ left: 1, width: 18 });
-		expect((ring?.left ?? 0) + (ring?.width ?? 0) / 2).toBe(10);
-	});
-
-	it('draws the hover marker as an outline in the series colour', () => {
-		const plugin = createScatterPlugin();
-		const u = {
-			series: [{}, { stroke: (): string => '#E5484D' }, { stroke: '#30A46C' }],
-		} as unknown as uPlot;
-		const points = plugin.cursor.points as {
-			fill: (u: uPlot, seriesIdx: number) => string;
-			stroke: (u: uPlot, seriesIdx: number) => string;
-			width: (u: uPlot, seriesIdx: number, size: number) => number;
-		};
-
-		expect(points.fill(u, 1)).toBe('transparent');
-		expect(points.stroke(u, 1)).toBe('#E5484D');
-		expect(points.stroke(u, 2)).toBe('#30A46C');
-		expect(points.width(u, 1, 0)).toBe(2);
-	});
-
-	it('drawClear drops cached paths on data series only', () => {
-		const plugin = createScatterPlugin();
-		const u = createFakePlot({ series: [{ xs: [1], ys: [1] }] });
-		const [xSeries, dataSeries] = u.series as Array<{ _paths?: unknown }>;
-		xSeries._paths = 'x';
-		dataSeries._paths = 'cached';
-
-		plugin.hooks.drawClear(u);
-
-		expect(xSeries._paths).toBe('x');
-		expect(dataSeries._paths).toBeNull();
-	});
-
-	it('focus distance is zero, so the hit series wins focus', () => {
-		const plugin = createScatterPlugin();
-		expect(plugin.cursor.focus?.dist?.({} as uPlot, 1, 0, 0, 0)).toBe(0);
-	});
-});
-
-describe('applyScatterPlugin', () => {
-	it('switches the builder to faceted mode and disables drag selection', () => {
-		const builder = new UPlotConfigBuilder({ id: 'scatter' });
-		const plugin = createScatterPlugin();
-
-		applyScatterPlugin(builder, plugin);
-		const config = builder.getConfig();
-
-		expect(config.mode).toBe(2);
-		expect(config.cursor?.drag).toMatchObject({
-			x: false,
-			y: false,
-			setScale: false,
-		});
-		expect(config.hooks?.drawClear).toHaveLength(1);
-		expect(config.hooks?.destroy).toHaveLength(1);
-	});
-
-	it('facets read x and y against the shared scales', () => {
-		expect(SCATTER_FACETS).toStrictEqual([
-			{ scale: 'x', auto: true },
-			{ scale: 'y', auto: true },
-		]);
-	});
-});

frontend/src/lib/uPlotV2/plugins/ScatterPlugin/geometry.ts

@@ -1,89 +0,0 @@
-import type uPlot from 'uplot';
-
-import type { Quadtree } from '../../utils/quadtree';
-import type { ScatterHit, ScatterPointSize, ScatterSeriesData } from './types';
-
-export interface SizeDomain {
-	min: number;
-	max: number;
-}
-
-/** Size extent across all series, so equal values draw equal discs. */
-export function resolveSizeDomain(data: uPlot.AlignedData): SizeDomain | null {
-	let min = Infinity;
-	let max = -Infinity;
-	for (let seriesIndex = 1; seriesIndex < data.length; seriesIndex++) {
-		const sizes = (data[seriesIndex] as unknown as ScatterSeriesData)[2];
-		if (!sizes) {
-			continue;
-		}
-		for (const size of sizes) {
-			if (size == null || !Number.isFinite(size)) {
-				continue;
-			}
-			min = Math.min(min, size);
-			max = Math.max(max, size);
-		}
-	}
-	return min <= max ? { min, max } : null;
-}
-
-/**
- * Diameter for a size-channel value. Grows the disc's area, not its width,
- * linearly with the value, so a value twice as large reads as twice the ink.
- */
-export function resolvePointDiameter(
-	size: number | null | undefined,
-	domain: SizeDomain | null,
-	pointSize: ScatterPointSize,
-): number {
-	if (size == null || domain == null || !Number.isFinite(size)) {
-		return pointSize.fixed;
-	}
-	if (domain.max === domain.min) {
-		return (pointSize.min + pointSize.max) / 2;
-	}
-	const t = Math.min(
-		1,
-		Math.max(0, (size - domain.min) / (domain.max - domain.min)),
-	);
-	const minArea = pointSize.min ** 2;
-	const maxArea = pointSize.max ** 2;
-	return Math.sqrt(minArea + (maxArea - minArea) * t);
-}
-
-/**
- * The disc under the cursor, counting `tolerance` px beyond its edge as a hit.
- * Where discs overlap, the one whose centre is closest wins; `null` if none.
- */
-export function resolveHit(
-	tree: Quadtree<ScatterHit>,
-	cx: number,
-	cy: number,
-	tolerance: number,
-): ScatterHit | null {
-	let best: ScatterHit | null = null;
-	let bestDistance = Infinity;
-
-	tree.get(
-		cx - tolerance,
-		cy - tolerance,
-		tolerance * 2,
-		tolerance * 2,
-		(hit) => {
-			const dx = cx - (hit.x + hit.w / 2);
-			const dy = cy - (hit.y + hit.h / 2);
-			const distance = dx * dx + dy * dy;
-			const reach = hit.w / 2 + tolerance;
-			if (distance > reach * reach) {
-				return;
-			}
-			if (distance < bestDistance) {
-				best = hit;
-				bestDistance = distance;
-			}
-		},
-	);
-
-	return best;
-}

frontend/src/lib/uPlotV2/plugins/ScatterPlugin/scatterPlugin.ts

@@ -1,225 +0,0 @@
-import uPlot, { Series } from 'uplot';
-
-import { DEFAULT_FOCUS_PROXIMITY_VALUE } from '../../constants';
-import { PlotMode } from '../../config/types';
-import type { UPlotConfigBuilder } from '../../config/UPlotConfigBuilder';
-import { Quadtree } from '../../utils/quadtree';
-import {
-	resolveHit,
-	resolvePointDiameter,
-	resolveSizeDomain,
-	SizeDomain,
-} from './geometry';
-import {
-	DEFAULT_HOVER_TOLERANCE_PX,
-	DEFAULT_SCATTER_POINT_SIZE,
-	ScatterHit,
-	ScatterPluginOptions,
-	ScatterSeriesData,
-} from './types';
-
-export const SCATTER_FACETS: Series.Facet[] = [
-	{ scale: 'x', auto: true },
-	{ scale: 'y', auto: true },
-];
-
-const HIDDEN_BBOX: uPlot.BBox = { left: -10, top: -10, width: 0, height: 0 };
-
-const TWO_PI = 2 * Math.PI;
-
-/** CSS pixels between a hovered disc and the outline ring drawn around it. */
-const HOVER_RING_GAP_PX = 3;
-const HOVER_RING_WIDTH_PX = 2;
-
-/** uPlot ceils a cursor point's left/top but not its size; snap so the ring stays centred. */
-function snapToPixel(start: number, length: number): [number, number] {
-	const snapped = Math.floor(start);
-	return [snapped, length + (start - snapped) * 2];
-}
-
-export function getSeriesStroke(u: uPlot, seriesIdx: number): string {
-	const { stroke } = u.series[seriesIdx];
-	const color = typeof stroke === 'function' ? stroke(u, seriesIdx) : stroke;
-	return typeof color === 'string' ? color : '';
-}
-
-/** uPlot caches built paths on the series; the field is internal to it. */
-type SeriesWithPaths = Series & { _paths?: Series.Paths | null };
-
-export interface ScatterPlugin {
-	pathBuilder: Series.PathBuilder;
-	/** Hover by disc rather than by nearest x: mode 2 has no shared x to scan. */
-	cursor: uPlot.Cursor;
-	hooks: {
-		drawClear: (u: uPlot) => void;
-		destroy: (u: uPlot) => void;
-	};
-	getHit: () => ScatterHit | null;
-}
-
-export function createScatterPlugin({
-	pointSize = DEFAULT_SCATTER_POINT_SIZE,
-	hoverTolerance = DEFAULT_HOVER_TOLERANCE_PX,
-}: ScatterPluginOptions = {}): ScatterPlugin {
-	let tree: Quadtree<ScatterHit> | null = null;
-	let hit: ScatterHit | null = null;
-
-	// Spans every series; cached per dataset.
-	let cachedData: uPlot.AlignedData | null = null;
-	let cachedDomain: SizeDomain | null = null;
-
-	function getSizeDomain(u: uPlot): SizeDomain | null {
-		if (cachedData !== u.data) {
-			cachedDomain = resolveSizeDomain(u.data);
-			cachedData = u.data;
-		}
-		return cachedDomain;
-	}
-
-	const pathBuilder: Series.PathBuilder = (u, seriesIdx, idx0, idx1) => {
-		const path = new Path2D();
-		const sizes = (u.data[seriesIdx] as unknown as ScatterSeriesData)[2];
-		const domain = getSizeDomain(u);
-		const { pxRatio } = uPlot;
-
-		uPlot.orient(
-			u,
-			seriesIdx,
-			(
-				_series,
-				dataX,
-				dataY,
-				scaleX,
-				scaleY,
-				valToPosX,
-				valToPosY,
-				xOff,
-				yOff,
-				xDim,
-				yDim,
-				_moveTo,
-				_lineTo,
-				_rect,
-				arc,
-			) => {
-				const xMin = scaleX.min ?? -Infinity;
-				const xMax = scaleX.max ?? Infinity;
-				const yMin = scaleY.min ?? -Infinity;
-				const yMax = scaleY.max ?? Infinity;
-
-				for (let i = idx0; i <= idx1; i++) {
-					const x = dataX[i];
-					const y = dataY[i];
-					if (
-						x == null ||
-						y == null ||
-						x < xMin ||
-						x > xMax ||
-						y < yMin ||
-						y > yMax
-					) {
-						continue;
-					}
-
-					const diameter =
-						resolvePointDiameter(sizes?.[i], domain, pointSize) * pxRatio;
-					const radius = diameter / 2;
-					const cx = valToPosX(x, scaleX, xDim, xOff);
-					const cy = valToPosY(y, scaleY, yDim, yOff);
-
-					path.moveTo(cx + radius, cy);
-					arc(path, cx, cy, radius, 0, TWO_PI);
-
-					tree?.add({
-						x: cx - radius - u.bbox.left,
-						y: cy - radius - u.bbox.top,
-						w: diameter,
-						h: diameter,
-						seriesIndex: seriesIdx,
-						dataIndex: i,
-					});
-				}
-			},
-		);
-
-		return { stroke: path, fill: path, clip: null };
-	};
-
-	const cursor: uPlot.Cursor = {
-		// Selection would set the dashboard time range; neither axis is time here.
-		drag: { x: false, y: false, setScale: false },
-		dataIdx: (u, seriesIdx): number | null => {
-			// uPlot asks series 1..n in order on every cursor move; resolve once.
-			if (seriesIdx === 1) {
-				const { left = -1, top = -1 } = u.cursor;
-				const { pxRatio } = uPlot;
-				hit =
-					tree && left >= 0 && top >= 0
-						? resolveHit(
-								tree,
-								left * pxRatio,
-								top * pxRatio,
-								hoverTolerance * pxRatio,
-							)
-						: null;
-			}
-			return hit?.seriesIndex === seriesIdx ? hit.dataIndex : null;
-		},
-		points: {
-			bbox: (_u, seriesIdx): uPlot.BBox => {
-				if (hit?.seriesIndex !== seriesIdx) {
-					return HIDDEN_BBOX;
-				}
-				const { pxRatio } = uPlot;
-				const inset = HOVER_RING_GAP_PX + HOVER_RING_WIDTH_PX;
-				const [left, width] = snapToPixel(
-					hit.x / pxRatio - inset,
-					hit.w / pxRatio + inset * 2,
-				);
-				const [top, height] = snapToPixel(
-					hit.y / pxRatio - inset,
-					hit.h / pxRatio + inset * 2,
-				);
-				return { left, top, width, height };
-			},
-			fill: (): string => 'transparent',
-			stroke: getSeriesStroke,
-			width: (): number => HOVER_RING_WIDTH_PX,
-		},
-		// uPlot only measures series that returned a data index, i.e. the hit one.
-		focus: { prox: DEFAULT_FOCUS_PROXIMITY_VALUE, dist: (): number => 0 },
-	};
-
-	return {
-		pathBuilder,
-		cursor,
-		hooks: {
-			drawClear: (u: uPlot): void => {
-				tree = new Quadtree<ScatterHit>(0, 0, u.bbox.width, u.bbox.height);
-				// The tree holds only what the path builder drew, so force a rebuild.
-				u.series.forEach((series, index) => {
-					if (index > 0) {
-						(series as SeriesWithPaths)._paths = null;
-					}
-				});
-			},
-			destroy: (): void => {
-				tree = null;
-				hit = null;
-				cachedData = null;
-				cachedDomain = null;
-			},
-		},
-		getHit: (): ScatterHit | null => hit,
-	};
-}
-
-export function applyScatterPlugin(
-	builder: UPlotConfigBuilder,
-	plugin: ScatterPlugin,
-): void {
-	builder.setMode(PlotMode.Faceted);
-	builder.setCursor(plugin.cursor);
-	builder.addHook('drawClear', plugin.hooks.drawClear);
-	builder.addHook('destroy', plugin.hooks.destroy);
-}

frontend/src/lib/uPlotV2/plugins/ScatterPlugin/types.ts

@@ -1,54 +0,0 @@
-import type { QuadtreeRect } from '../../utils/quadtree';
-
-/** Diameters in CSS pixels. `min`/`max` bound the area scale when a size column is mapped. */
-export interface ScatterPointSize {
-	fixed: number;
-	min: number;
-	max: number;
-}
-
-export const DEFAULT_SCATTER_POINT_SIZE: ScatterPointSize = {
-	fixed: 6,
-	min: 4,
-	max: 24,
-};
-
-/** CSS pixels around a point's disc that still register as a hover. */
-export const DEFAULT_HOVER_TOLERANCE_PX = 3;
-
-export interface ScatterPluginOptions {
-	pointSize?: ScatterPointSize;
-	hoverTolerance?: number;
-}
-
-/** Parallel columns; a `null` size draws at `fixed`. */
-export type ScatterSeriesData = [
-	xs: number[],
-	ys: number[],
-	sizes?: Array<number | null>,
-];
-
-/** Mode-2 data: series 0 is uPlot's x placeholder and carries nothing. */
-export type ScatterChartData = [null, ...ScatterSeriesData[]];
-
-/** A drawn point's disc, in canvas pixels relative to the plot area. */
-export interface ScatterHit extends QuadtreeRect {
-	seriesIndex: number;
-	dataIndex: number;
-}
-
-export interface ScatterChannel {
-	label: string;
-	unit?: string;
-}
-
-export interface ScatterChannels {
-	x: ScatterChannel;
-	y: ScatterChannel;
-	size?: ScatterChannel;
-}
-
-export interface ScatterPointLabel {
-	key: string;
-	value: string;
-}

frontend/src/lib/uPlotV2/plugins/TooltipPlugin/__tests__/buildClickData.test.ts

@@ -1,52 +0,0 @@
-import type uPlot from 'uplot';
-
-import { buildClickData } from '../utils';
-
-jest.mock('lib/uPlotLib/plugins/onClickPlugin', () => ({
-	getFocusedSeriesAtPosition: jest.fn(() => ({ seriesIndex: 1 })),
-}));
-
-const event = {
-	offsetX: 10,
-	offsetY: 20,
-	clientX: 110,
-	clientY: 220,
-} as MouseEvent;
-
-describe('buildClickData', () => {
-	it('skips the x-index lookups on a faceted plot, which has no shared x series', () => {
-		const posToIdx = jest.fn(() => {
-			throw new Error('faceted data[0] is null');
-		});
-		const plot = {
-			data: [null],
-			posToVal: (pos: number): number => pos * 2,
-			posToIdx,
-		} as unknown as uPlot;
-
-		expect(buildClickData(event, plot)).toStrictEqual({
-			xValue: 20,
-			yValue: 40,
-			focusedSeries: null,
-			clickedDataTimestamp: 20,
-			mouseX: 10,
-			mouseY: 20,
-			absoluteMouseX: 110,
-			absoluteMouseY: 220,
-		});
-		expect(posToIdx).not.toHaveBeenCalled();
-	});
-
-	it('resolves the focused series and clicked timestamp on an aligned plot', () => {
-		const plot = {
-			data: [[100, 200, 300]],
-			posToVal: (pos: number): number => pos,
-			posToIdx: (): number => 1,
-		} as unknown as uPlot;
-
-		expect(buildClickData(event, plot)).toMatchObject({
-			focusedSeries: { seriesIndex: 1 },
-			clickedDataTimestamp: 200,
-		});
-	});
-});

frontend/src/lib/uPlotV2/plugins/TooltipPlugin/utils.ts

@@ -174,24 +174,6 @@ export function createLayoutObserver(
 export function buildClickData(event: MouseEvent, plot: uPlot): ChartClickData {
 	const xValue = plot.posToVal(event.offsetX, 'x');
 	const yValue = plot.posToVal(event.offsetY, 'y');
-	const pointer = {
-		mouseX: event.offsetX,
-		mouseY: event.offsetY,
-		absoluteMouseX: event.clientX,
-		absoluteMouseY: event.clientY,
-	};
-
-	// Faceted (scatter): no shared x, so `posToIdx` would throw.
-	if (plot.data[0] == null) {
-		return {
-			xValue,
-			yValue,
-			focusedSeries: null,
-			clickedDataTimestamp: xValue,
-			...pointer,
-		};
-	}
-
 	const focusedSeries = getFocusedSeriesAtPosition(event, plot);
 
 	const dataIndex = plot.posToIdx(event.offsetX);
@@ -211,6 +193,9 @@ export function buildClickData(event: MouseEvent, plot: uPlot): ChartClickData {
 		yValue,
 		focusedSeries,
 		clickedDataTimestamp,
-		...pointer,
+		mouseX: event.offsetX,
+		mouseY: event.offsetY,
+		absoluteMouseX: event.clientX,
+		absoluteMouseY: event.clientY,
 	};
 }

frontend/src/lib/uPlotV2/utils/__tests__/logGridSplits.test.ts

@@ -1,66 +0,0 @@
-import type uPlot from 'uplot';
-
-import { logScaleSplits, spacedLogLabels } from '../logGridSplits';
-
-describe('logScaleSplits', () => {
-	const splitsFor = (min: number, max: number): number[] =>
-		(
-			logScaleSplits as (
-				u: uPlot,
-				axisIdx: number,
-				min: number,
-				max: number,
-			) => number[]
-		)({} as uPlot, 0, min, max);
-
-	it('splits at 1, 2 and 5 × 10ⁿ inside an unsnapped range', () => {
-		expect(splitsFor(10.6, 990)).toStrictEqual([20, 50, 100, 200, 500]);
-	});
-
-	it('includes the ends when they fall on a split', () => {
-		expect(splitsFor(0.1, 10)).toStrictEqual([0.1, 0.2, 0.5, 1, 2, 5, 10]);
-	});
-
-	it('steps evenly through a range too narrow for two 1/2/5 splits', () => {
-		expect(splitsFor(7.6, 9.4)).toStrictEqual([8, 9]);
-		expect(splitsFor(8.12, 8.19)).toStrictEqual([
-			8.12, 8.13, 8.14, 8.15, 8.16, 8.17, 8.18, 8.19,
-		]);
-	});
-
-	it('is empty for a range a log scale cannot hold', () => {
-		expect(splitsFor(0, 10)).toStrictEqual([]);
-		expect(splitsFor(5, 5)).toStrictEqual([]);
-	});
-});
-
-describe('spacedLogLabels', () => {
-	// 100px per decade.
-	const plot = {
-		axes: [{ scale: 'x' }],
-		valToPos: (value: number): number => Math.log10(value) * 100,
-	} as unknown as uPlot;
-	const label = (splits: number[], space: number): (number | null)[] =>
-		spacedLogLabels(plot, splits, 0, space, 0) as (number | null)[];
-
-	it('always labels the powers of ten', () => {
-		expect(label([10, 20, 50, 100], 200)).toStrictEqual([10, null, null, 100]);
-	});
-
-	it('adds a 2 or 5 that clears the labels already kept', () => {
-		// 20 is 30px from 10; 50 is 70px from 10 and 30px from 100.
-		expect(label([10, 20, 50, 100], 25)).toStrictEqual([10, 20, 50, 100]);
-		expect(label([10, 20, 50, 100], 40)).toStrictEqual([10, null, null, 100]);
-	});
-
-	it('labels both ends of a range spanning under a decade', () => {
-		// 100 sits at 200px; 20 (130px) and 500 (270px) clear it, 50 and 200 do not.
-		expect(label([20, 50, 100, 200, 500], 60)).toStrictEqual([
-			20,
-			null,
-			100,
-			null,
-			500,
-		]);
-	});
-});

frontend/src/lib/uPlotV2/utils/__tests__/quadtree.test.ts

@@ -1,64 +0,0 @@
-import { Quadtree, QuadtreeRect } from '../quadtree';
-
-interface Item extends QuadtreeRect {
-	id: number;
-}
-
-function collect(
-	tree: Quadtree<Item>,
-	x: number,
-	y: number,
-	w: number,
-	h: number,
-): Set<number> {
-	const ids = new Set<number>();
-	tree.get(x, y, w, h, (item) => ids.add(item.id));
-	return ids;
-}
-
-describe('Quadtree', () => {
-	it('returns items in the queried region and not those far from it', () => {
-		const tree = new Quadtree<Item>(0, 0, 100, 100);
-		tree.add({ id: 1, x: 10, y: 10, w: 5, h: 5 });
-		tree.add({ id: 2, x: 80, y: 80, w: 5, h: 5 });
-
-		// Below the split threshold every item is visited; callers refine the hit.
-		expect(collect(tree, 9, 9, 8, 8)).toStrictEqual(new Set([1, 2]));
-	});
-
-	it('splits past the object limit and still finds every item', () => {
-		const tree = new Quadtree<Item>(0, 0, 100, 100);
-		const total = 50;
-		for (let id = 0; id < total; id++) {
-			tree.add({ id, x: (id % 10) * 10, y: Math.floor(id / 10) * 10, w: 4, h: 4 });
-		}
-
-		expect(collect(tree, 0, 0, 100, 100).size).toBe(total);
-	});
-
-	it('after a split, a query in one quadrant skips items confined to another', () => {
-		const tree = new Quadtree<Item>(0, 0, 100, 100);
-		for (let id = 0; id < 20; id++) {
-			// All in the north-west quadrant.
-			tree.add({ id, x: 1 + id, y: 1, w: 2, h: 2 });
-		}
-		tree.add({ id: 99, x: 90, y: 90, w: 2, h: 2 });
-
-		const northWest = collect(tree, 0, 0, 10, 10);
-		expect(northWest.has(99)).toBe(false);
-		expect(collect(tree, 85, 85, 10, 10).has(99)).toBe(true);
-	});
-
-	it('reports an item straddling the midline from either side', () => {
-		const tree = new Quadtree<Item>(0, 0, 100, 100);
-		for (let id = 0; id < 20; id++) {
-			tree.add({ id, x: 1, y: 1 + id, w: 2, h: 2 });
-		}
-		tree.add({ id: 99, x: 48, y: 48, w: 4, h: 4 });
-
-		expect(collect(tree, 40, 40, 5, 5).has(99)).toBe(true);
-		expect(collect(tree, 55, 55, 5, 5).has(99)).toBe(true);
-		// A zero-size query exactly on both midlines.
-		expect(collect(tree, 50, 50, 0, 0).has(99)).toBe(true);
-	});
-});

frontend/src/lib/uPlotV2/utils/__tests__/scale.test.ts

@@ -195,22 +195,3 @@ describe('scale utils', () => {
 		});
 	});
 });
-
-describe('symmetric log scale', () => {
-	it('maps to uPlot arcsinh with the given linear threshold', () => {
-		expect(
-			scaleUtils.getDistributionConfig({
-				time: false,
-				distr: DistributionType.SymmetricLog,
-				asinhThreshold: 0.01,
-			}),
-		).toStrictEqual({ distr: 4, log: 10, asinh: 0.01 });
-
-		expect(
-			scaleUtils.getDistributionConfig({
-				time: false,
-				distr: DistributionType.SymmetricLog,
-			}).asinh,
-		).toBe(scaleUtils.DEFAULT_ASINH_THRESHOLD);
-	});
-});

frontend/src/lib/uPlotV2/utils/logGridSplits.ts

@@ -1,92 +0,0 @@
-import type uPlot from 'uplot';
-
-const DECADE_TOLERANCE = 1e-9;
-
-function isDecade(value: number): boolean {
-	if (value === 0) {
-		return true;
-	}
-	const exponent = Math.log10(Math.abs(value));
-	return Math.abs(exponent - Math.round(exponent)) < DECADE_TOLERANCE;
-}
-
-const LOG_SPLIT_MULTIPLES = [1, 2, 5];
-
-/** Decades finer than the range's own span that the fallback steps through. */
-const FALLBACK_STEP_DECADES = 3;
-
-/** Rounded through toPrecision so 0.1 × 3 noise can't fall outside [min, max]. */
-function roundSplit(value: number): number {
-	return Number(value.toPrecision(12));
-}
-
-/** Evenly stepped splits for a range too narrow to hold two 1/2/5 splits. */
-function narrowRangeSplits(min: number, max: number): number[] {
-	const coarsest = Math.floor(Math.log10(max - min));
-	for (
-		let exponent = coarsest;
-		exponent > coarsest - FALLBACK_STEP_DECADES;
-		exponent--
-	) {
-		const step = 10 ** exponent;
-		const first = Math.ceil(roundSplit(min / step));
-		const last = Math.floor(roundSplit(max / step));
-		if (last > first) {
-			return Array.from({ length: last - first + 1 }, (_, index) =>
-				roundSplit((first + index) * step),
-			);
-		}
-	}
-	return [];
-}
-
-/** 1, 2, 5 × 10ⁿ in range; uPlot's log splits step from an unsnapped min (10.79, 21.58…). */
-export const logScaleSplits: uPlot.Axis.Splits = (_u, _axisIdx, min, max) => {
-	if (!(min > 0) || !(max > min)) {
-		return [];
-	}
-	const splits: number[] = [];
-	for (
-		let exponent = Math.floor(Math.log10(min));
-		exponent <= Math.ceil(Math.log10(max));
-		exponent++
-	) {
-		LOG_SPLIT_MULTIPLES.forEach((multiple) => {
-			const split = roundSplit(multiple * 10 ** exponent);
-			if (split >= min && split <= max) {
-				splits.push(split);
-			}
-		});
-	}
-	if (splits.length >= 2) {
-		return splits;
-	}
-	const narrow = narrowRangeSplits(min, max);
-	return narrow.length > splits.length ? narrow : splits;
-};
-
-/** Labels every decade, plus any 2 or 5 at least `space` px clear. */
-export const spacedLogLabels: uPlot.Axis.Filter = (
-	u,
-	splits,
-	axisIdx,
-	space,
-) => {
-	const scaleKey = u.axes[axisIdx]?.scale ?? 'x';
-	const positions = splits.map((split) =>
-		split == null ? null : u.valToPos(split, scaleKey),
-	);
-	const kept = splits.map((split) => split != null && isDecade(split));
-	const isClear = (index: number): boolean =>
-		kept.every(
-			(isKept, other) =>
-				!isKept ||
-				Math.abs((positions[other] ?? 0) - (positions[index] ?? 0)) >= space,
-		);
-	splits.forEach((split, index) => {
-		if (split != null && !kept[index] && isClear(index)) {
-			kept[index] = true;
-		}
-	});
-	return splits.map((split, index) => (kept[index] ? split : null));
-};

frontend/src/lib/uPlotV2/utils/quadtree.ts

@@ -1,101 +0,0 @@
-export interface QuadtreeRect {
-	x: number;
-	y: number;
-	w: number;
-	h: number;
-}
-
-const MAX_OBJECTS = 10;
-const MAX_LEVELS = 4;
-
-/** Rect index for cursor hit-testing; items straddling quadrants are stored in each, so `get` may repeat them. */
-export class Quadtree<T extends QuadtreeRect = QuadtreeRect> {
-	private items: T[] = [];
-	private quadrants: Quadtree<T>[] | null = null;
-
-	constructor(
-		private readonly x: number,
-		private readonly y: number,
-		private readonly w: number,
-		private readonly h: number,
-		private readonly level = 0,
-	) {}
-
-	add(item: T): void {
-		if (this.quadrants) {
-			this.forEachQuadrant(item, (quadrant) => quadrant.add(item));
-			return;
-		}
-
-		this.items.push(item);
-
-		if (this.items.length > MAX_OBJECTS && this.level < MAX_LEVELS) {
-			this.split();
-			const items = this.items;
-			this.items = [];
-			for (const existing of items) {
-				this.forEachQuadrant(existing, (quadrant) => quadrant.add(existing));
-			}
-		}
-	}
-
-	/** Visits every item whose quadrant overlaps the rectangle; callers refine the test. */
-	get(
-		x: number,
-		y: number,
-		w: number,
-		h: number,
-		visit: (item: T) => void,
-	): void {
-		for (const item of this.items) {
-			visit(item);
-		}
-		if (this.quadrants) {
-			this.forEachQuadrant({ x, y, w, h }, (quadrant) =>
-				quadrant.get(x, y, w, h, visit),
-			);
-		}
-	}
-
-	private split(): void {
-		const w = this.w / 2;
-		const h = this.h / 2;
-		const level = this.level + 1;
-		// North-east, north-west, south-west, south-east.
-		this.quadrants = [
-			new Quadtree<T>(this.x + w, this.y, w, h, level),
-			new Quadtree<T>(this.x, this.y, w, h, level),
-			new Quadtree<T>(this.x, this.y + h, w, h, level),
-			new Quadtree<T>(this.x + w, this.y + h, w, h, level),
-		];
-	}
-
-	private forEachQuadrant(
-		rect: QuadtreeRect,
-		visit: (quadrant: Quadtree<T>) => void,
-	): void {
-		if (!this.quadrants) {
-			return;
-		}
-		const midX = this.x + this.w / 2;
-		const midY = this.y + this.h / 2;
-		const startsNorth = rect.y < midY;
-		const startsWest = rect.x < midX;
-		// Inclusive, so a zero-size query on a midline still reaches a quadrant.
-		const endsEast = rect.x + rect.w >= midX;
-		const endsSouth = rect.y + rect.h >= midY;
-
-		if (startsNorth && endsEast) {
-			visit(this.quadrants[0]);
-		}
-		if (startsWest && startsNorth) {
-			visit(this.quadrants[1]);
-		}
-		if (startsWest && endsSouth) {
-			visit(this.quadrants[2]);
-		}
-		if (endsEast && endsSouth) {
-			visit(this.quadrants[3]);
-		}
-	}
-}

frontend/src/lib/uPlotV2/utils/scale.ts

@@ -58,23 +58,18 @@ function normalizeLogLimit(
 	return logBase ** exp;
 }
 
-export const DEFAULT_ASINH_THRESHOLD = 1;
-
 /**
- * Returns uPlot scale distribution options for a value axis.
- * Time scales get no distr/log; value scales get distr 1 (linear), 3 (log) or
- * 4 (arcsinh, uPlot's symmetric log) and log base 2 or 10.
+ * Returns uPlot scale distribution options for the Y axis.
+ * Time (X) scale gets no distr/log; Y scale gets distr 1 (linear) or 3 (log) and log base 2 or 10.
  */
 export function getDistributionConfig({
 	time,
 	distr,
 	logBase,
-	asinhThreshold,
 }: {
 	time: ScaleProps['time'];
 	distr?: DistributionType;
 	logBase?: number;
-	asinhThreshold?: number;
 }): Partial<Scale> {
 	if (time) {
 		return {};
@@ -82,14 +77,6 @@ export function getDistributionConfig({
 
 	const resolvedLogBase = (logBase ?? 10) === 2 ? 2 : 10;
 
-	if (distr === DistributionType.SymmetricLog) {
-		return {
-			distr: 4,
-			log: resolvedLogBase,
-			asinh: asinhThreshold ?? DEFAULT_ASINH_THRESHOLD,
-		};
-	}
-
 	return {
 		distr: distr === DistributionType.Logarithmic ? 3 : 1,
 		log: resolvedLogBase,

frontend/src/lib/visualization/charts/ChartWrapper/ChartWrapper.tsx

@@ -37,7 +37,6 @@ export default function ChartWrapper({
 	syncKey,
 	syncFilterMode,
 	onDestroy = noop,
-	plotRef,
 	children,
 	layoutChildren,
 	yAxisUnit,
@@ -124,7 +123,6 @@ export default function ChartWrapper({
 						height={chartHeight}
 						plotRef={(plot): void => {
 							plotInstanceRef.current = plot;
-							plotRef?.(plot);
 						}}
 						onDestroy={(plot: uPlot): void => {
 							plotInstanceRef.current = null;

frontend/src/lib/visualization/charts/ChartWrapper/__tests__/ChartWrapper.test.tsx

@@ -1,45 +0,0 @@
-import { render } from 'tests/test-utils';
-import type uPlot from 'uplot';
-
-import { LegendPosition } from 'lib/uPlotV2/components/types';
-import { UPlotConfigBuilder } from 'lib/uPlotV2/config/UPlotConfigBuilder';
-
-import ChartWrapper from '../ChartWrapper';
-
-const FAKE_PLOT = { id: 'plot' } as unknown as uPlot;
-
-jest.mock('lib/uPlotV2/components/UPlotChart/UPlotChart', () => ({
-	__esModule: true,
-	default: ({ plotRef }: { plotRef?: (plot: uPlot | null) => void }): null => {
-		plotRef?.(FAKE_PLOT);
-		return null;
-	},
-}));
-
-window.ResizeObserver =
-	window.ResizeObserver ||
-	jest.fn().mockImplementation(() => ({
-		disconnect: jest.fn(),
-		observe: jest.fn(),
-		unobserve: jest.fn(),
-	}));
-
-describe('ChartWrapper', () => {
-	it('hands the plot instance to the caller', () => {
-		const plotRef = jest.fn();
-		render(
-			<ChartWrapper
-				config={new UPlotConfigBuilder({ id: 'chart' })}
-				data={[[1], [2]]}
-				width={400}
-				height={300}
-				legendConfig={{ position: LegendPosition.BOTTOM }}
-				showLegend={false}
-				showTooltip={false}
-				plotRef={plotRef}
-			/>,
-		);
-
-		expect(plotRef).toHaveBeenCalledWith(FAKE_PLOT);
-	});
-});

frontend/src/lib/visualization/charts/Scatter/Scatter.stories.mocks.ts

@@ -1,95 +0,0 @@
-import type { Threshold } from 'lib/uPlotV2/hooks/types';
-
-import { ScatterAxisScale, type ScatterSeries } from './types';
-
-const SERVICES = [
-	'frontend',
-	'cart',
-	'checkout',
-	'payment',
-	'shipping',
-	'currency',
-	'email',
-	'recommendation',
-	'ads',
-	'product-catalog',
-];
-
-export type Shape = 'spread' | 'single' | 'sameX';
-
-export interface ScatterStoryProps {
-	groups: number;
-	pointsPerGroup: number;
-	/** Adds an error-count size column. */
-	sized: boolean;
-	xScale: ScatterAxisScale;
-	yScale: ScatterAxisScale;
-	/** Zeroes a share of y values, which forces the symmetric log. */
-	withZeros: boolean;
-	shape: Shape;
-	thresholds: boolean;
-	pointSize: number;
-	/** 0–1. */
-	fillOpacity: number;
-	width: number;
-	height: number;
-}
-
-/** Deterministic, so a story renders the same points on every run. */
-function createRng(seed: number): () => number {
-	let state = seed >>> 0;
-	return (): number => {
-		state = (state * 1664525 + 1013904223) >>> 0;
-		return state / 2 ** 32;
-	};
-}
-
-export function buildSeries({
-	groups,
-	pointsPerGroup,
-	sized,
-	withZeros,
-	shape,
-}: ScatterStoryProps): ScatterSeries[] {
-	const rng = createRng(42);
-	return Array.from({ length: groups }, (_, groupIndex) => {
-		const label = SERVICES[groupIndex % SERVICES.length];
-		// Each service sits in its own throughput/latency band, so groups are telling
-		// apart rather than one cloud.
-		const baseThroughput = 20 * 2 ** (groupIndex % 5);
-		const baseLatency = 40 + 60 * (groupIndex % 4);
-
-		const count = shape === 'single' ? 1 : pointsPerGroup;
-		const xs: number[] = [];
-		const ys: number[] = [];
-		const sizes: Array<number | null> = [];
-
-		for (let i = 0; i < count; i++) {
-			const throughput =
-				shape === 'sameX' ? baseThroughput : baseThroughput * (0.5 + rng() * 1.5);
-			// Latency grows with load, plus noise; the odd outlier keeps the axis honest.
-			const outlier = rng() < 0.03 ? 4 + rng() * 6 : 1;
-			let latency =
-				baseLatency *
-				(0.8 + (throughput / baseThroughput) * 0.4 + rng() * 0.3) *
-				outlier;
-			if (withZeros && rng() < 0.2) {
-				latency = 0;
-			}
-			xs.push(Number(throughput.toFixed(2)));
-			ys.push(Number(latency.toFixed(2)));
-			sizes.push(rng() < 0.1 ? null : Math.round(rng() * rng() * 500));
-		}
-
-		return sized ? { label, xs, ys, sizes } : { label, xs, ys };
-	});
-}
-
-export const THRESHOLDS: Threshold[] = [
-	{
-		thresholdValue: 300,
-		thresholdUnit: 'ms',
-		thresholdColor: '#E5484D',
-		thresholdLabel: 'p99 SLO',
-	},
-];

frontend/src/lib/visualization/charts/Scatter/Scatter.stories.tsx

@@ -1,152 +0,0 @@
-import { useMemo } from 'react';
-import type { Meta, StoryObj } from '@storybook/react-vite';
-import { useIsDarkMode } from 'hooks/useDarkMode';
-import { LegendPosition } from 'lib/uPlotV2/components/types';
-import type { ScatterPointLabel } from 'lib/uPlotV2/plugins/ScatterPlugin/types';
-
-import Scatter from './Scatter';
-import {
-	buildSeries,
-	type ScatterStoryProps,
-	THRESHOLDS,
-} from './Scatter.stories.mocks';
-import { ScatterAxisScale } from './types';
-import { buildScatterConfig, prepareScatterChartData } from './utils';
-
-function ScatterStory(props: ScatterStoryProps): JSX.Element {
-	const {
-		xScale,
-		yScale,
-		sized,
-		thresholds,
-		pointSize,
-		fillOpacity,
-		width,
-		height,
-	} = props;
-	const isDarkMode = useIsDarkMode();
-
-	const series = useMemo(() => buildSeries(props), [props]);
-
-	const config = useMemo(
-		() =>
-			buildScatterConfig({
-				id: 'scatter-story',
-				series,
-				isDarkMode,
-				x: { unit: 'reqps', scale: xScale },
-				y: { unit: 'ms', scale: yScale },
-				pointSize: { fixed: pointSize, min: 4, max: pointSize * 4 },
-				fillOpacity,
-				thresholds: thresholds ? THRESHOLDS : undefined,
-			}),
-		[series, isDarkMode, xScale, yScale, pointSize, fillOpacity, thresholds],
-	);
-
-	const data = useMemo(() => prepareScatterChartData(series), [series]);
-
-	const resolvePointGroupValues = (
-		seriesIndex: number,
-		dataIndex: number,
-	): ScatterPointLabel[] => [
-		{ key: 'service.name', value: series[seriesIndex - 1]?.label ?? '' },
-		{
-			key: 'k8s.pod.name',
-			value: `pod-${dataIndex.toString().padStart(3, '0')}`,
-		},
-	];
-
-	return (
-		<div style={{ width, padding: 16 }}>
-			<Scatter
-				config={config}
-				data={data}
-				width={width}
-				height={height}
-				legendConfig={{ position: LegendPosition.BOTTOM }}
-				channels={{
-					x: { label: 'Throughput', unit: 'reqps' },
-					y: { label: 'p99 latency', unit: 'ms' },
-					...(sized && { size: { label: 'Errors', unit: 'short' } }),
-				}}
-				resolvePointGroupValues={resolvePointGroupValues}
-				canPinTooltip
-			/>
-		</div>
-	);
-}
-
-const meta = {
-	title: 'Charts/Scatter',
-	component: ScatterStory,
-	parameters: { layout: 'padded' },
-	args: {
-		groups: 1,
-		pointsPerGroup: 10,
-		sized: false,
-		xScale: ScatterAxisScale.Linear,
-		yScale: ScatterAxisScale.Linear,
-		withZeros: false,
-		shape: 'spread',
-		thresholds: false,
-		pointSize: 6,
-		fillOpacity: 0.7,
-		width: 800,
-		height: 420,
-	},
-	argTypes: {
-		shape: { control: 'radio', options: ['spread', 'single', 'sameX'] },
-		xScale: { control: 'radio', options: Object.values(ScatterAxisScale) },
-		yScale: { control: 'radio', options: Object.values(ScatterAxisScale) },
-		fillOpacity: { control: { type: 'range', min: 0, max: 1, step: 0.05 } },
-		pointSize: { control: { type: 'range', min: 2, max: 16, step: 1 } },
-	},
-} satisfies Meta<ScatterStoryProps>;
-
-export default meta;
-
-type Story = StoryObj<ScatterStoryProps>;
-
-/** One service, ten points: axes formatted with units, hover picks the right point. */
-export const Basic: Story = {};
-
-/** Five services, one legend entry each; toggling a row hides its points. */
-export const Grouped: Story = {
-	args: { groups: 5, pointsPerGroup: 40 },
-};
-
-/** Error count as disc area, between the configured min and max diameters. */
-export const Sized: Story = {
-	args: { groups: 5, pointsPerGroup: 40, sized: true, pointSize: 5 },
-};
-
-/** Log x; a fifth of the latencies are 0, so y falls back to the symmetric log. */
-export const LogAxes: Story = {
-	args: {
-		groups: 5,
-		pointsPerGroup: 60,
-		xScale: ScatterAxisScale.Log,
-		yScale: ScatterAxisScale.Log,
-		withZeros: true,
-	},
-};
-
-/** A single point still gets a padded range rather than an empty plot. */
-export const SinglePoint: Story = {
-	args: { shape: 'single' },
-};
-
-/** Fifty points sharing one x collide on nothing: no shared x array to align. */
-export const SameX: Story = {
-	args: { groups: 3, pointsPerGroup: 50, shape: 'sameX' },
-};
-
-/** Horizontal line with label on the y axis; the scale stretches to include it. */
-export const Thresholds: Story = {
-	args: { groups: 3, pointsPerGroup: 40, thresholds: true },
-};
-
-/** Perf harness: raise `pointsPerGroup` and read the draw time under the chart. */
-export const Dense: Story = {
-	args: { groups: 5, pointsPerGroup: 1000, pointSize: 4, fillOpacity: 0.5 },
-};

frontend/src/lib/visualization/charts/Scatter/Scatter.tsx

@@ -1,98 +0,0 @@
-import { useCallback, useRef } from 'react';
-import ChartWrapper from 'lib/visualization/charts/ChartWrapper/ChartWrapper';
-import ScatterTooltip from 'lib/uPlotV2/components/Tooltip/ScatterTooltip';
-import {
-	ScatterTooltipProps,
-	TooltipRenderArgs,
-} from 'lib/uPlotV2/components/types';
-import { getSeriesStroke } from 'lib/uPlotV2/plugins/ScatterPlugin/scatterPlugin';
-import type { ChartClickData } from 'lib/uPlotV2/plugins/TooltipPlugin/types';
-import { ScatterChartProps } from 'lib/visualization/charts/types';
-import uPlot from 'uplot';
-
-import { getCursorHit } from './utils';
-
-// Faceted uPlot can't mount without series; empty aligned data shows no-data instead.
-const EMPTY_ALIGNED_DATA: uPlot.AlignedData = [[]];
-
-export default function Scatter(props: ScatterChartProps): JSX.Element {
-	const {
-		children,
-		customTooltip,
-		channels,
-		resolvePointGroupValues,
-		pinnedTooltipElement,
-		onPointClick,
-		plotRef,
-		...rest
-	} = props;
-
-	const plotInstanceRef = useRef<uPlot | null>(null);
-
-	const handlePlotRef = useCallback(
-		(plot: uPlot | null): void => {
-			plotInstanceRef.current = plot;
-			plotRef?.(plot);
-		},
-		[plotRef],
-	);
-
-	// Faceted plots have no shared x; take the hit from the cursor.
-	const handleClick = useCallback(
-		(click: ChartClickData): void => {
-			const plot = plotInstanceRef.current;
-			const hit = plot ? getCursorHit(plot) : null;
-			if (!plot || !hit || !onPointClick) {
-				return;
-			}
-			onPointClick({
-				...hit,
-				color: getSeriesStroke(plot, hit.seriesIndex),
-				coordinates: { x: click.absoluteMouseX, y: click.absoluteMouseY },
-			});
-		},
-		[onPointClick],
-	);
-
-	const renderTooltip = useCallback(
-		(args: TooltipRenderArgs): React.ReactNode => {
-			if (customTooltip) {
-				return customTooltip(args);
-			}
-			const tooltipProps: ScatterTooltipProps = {
-				...args,
-				id: rest.config.getId(),
-				channels,
-				resolvePointGroupValues,
-				decimalPrecision: rest.decimalPrecision,
-				canPinTooltip: rest.canPinTooltip,
-				renderTooltipFooter: rest.renderTooltipFooter,
-			};
-			return <ScatterTooltip {...tooltipProps} />;
-		},
-		[
-			customTooltip,
-			channels,
-			resolvePointGroupValues,
-			rest.config,
-			rest.decimalPrecision,
-			rest.canPinTooltip,
-			rest.renderTooltipFooter,
-		],
-	);
-
-	const hasSeries = rest.data.length > 1;
-
-	return (
-		<ChartWrapper
-			{...rest}
-			data={hasSeries ? rest.data : EMPTY_ALIGNED_DATA}
-			plotRef={handlePlotRef}
-			onClick={onPointClick ? handleClick : rest.onClick}
-			customTooltip={renderTooltip}
-			pinnedTooltipElement={pinnedTooltipElement}
-		>
-			{children}
-		</ChartWrapper>
-	);
-}

frontend/src/lib/visualization/charts/Scatter/__tests__/axisDistribution.test.ts

@@ -1,112 +0,0 @@
-import { DistributionType } from 'lib/uPlotV2/config/types';
-
-import { resolveAxisDistribution } from '../axisDistribution';
-import { ScatterAxisScale } from '../types';
-
-describe('resolveAxisDistribution', () => {
-	it('is linear when asked, whatever the values', () => {
-		expect(
-			resolveAxisDistribution([1, 1e6], ScatterAxisScale.Linear),
-		).toStrictEqual({ distribution: DistributionType.Linear });
-	});
-
-	it('is a plain log when every value is positive', () => {
-		expect(resolveAxisDistribution([1, 100], ScatterAxisScale.Log)).toStrictEqual(
-			{ distribution: DistributionType.Logarithmic },
-		);
-	});
-
-	it('falls back from log to a symmetric log around the smallest magnitude when zero is present', () => {
-		expect(
-			resolveAxisDistribution([0, 0.05, 300], ScatterAxisScale.Log),
-		).toStrictEqual({
-			distribution: DistributionType.SymmetricLog,
-			asinhThreshold: 0.01,
-		});
-	});
-
-	it('keeps an explicit log axis for a soft min it cannot place', () => {
-		expect(
-			resolveAxisDistribution([1, 100], ScatterAxisScale.Log, [-10]),
-		).toStrictEqual({ distribution: DistributionType.Logarithmic });
-	});
-
-	it('is a symmetric log when asked, even with only positive values', () => {
-		expect(
-			resolveAxisDistribution([2, 300], ScatterAxisScale.SymLog),
-		).toStrictEqual({
-			distribution: DistributionType.SymmetricLog,
-			asinhThreshold: 1,
-		});
-	});
-
-	it('uses a unit threshold when nothing is positive', () => {
-		expect(
-			resolveAxisDistribution([0, -5], ScatterAxisScale.SymLog),
-		).toStrictEqual({
-			distribution: DistributionType.SymmetricLog,
-			asinhThreshold: 1,
-		});
-	});
-
-	describe('auto', () => {
-		const SKEWED = [1, 2, 3, 5, 8, 10, 20, 50, 1000];
-
-		it.each([
-			['skewed positive values', SKEWED, DistributionType.Logarithmic],
-			[
-				'values spread evenly across decades',
-				[1, 250, 500, 750, 1000],
-				DistributionType.Linear,
-			],
-			[
-				'a single outlier among clustered values',
-				[0.001, 40, 45, 50, 55, 60],
-				DistributionType.Linear,
-			],
-			[
-				'skewed values spanning under two decades',
-				[10, 10, 10, 11, 50],
-				DistributionType.Linear,
-			],
-			['no finite values', [Number.NaN], DistributionType.Linear],
-		])('picks a scale for %s', (_, values, distribution) => {
-			expect(resolveAxisDistribution(values, ScatterAxisScale.Auto)).toStrictEqual(
-				{ distribution },
-			);
-		});
-
-		it('picks symlog for skewed values that include zero', () => {
-			expect(
-				resolveAxisDistribution(
-					[0, 0, 1, 2, 5, 10, 50, 100, 10_000],
-					ScatterAxisScale.Auto,
-				),
-			).toStrictEqual({
-				distribution: DistributionType.SymmetricLog,
-				asinhThreshold: 1,
-			});
-		});
-
-		it('picks symlog when a soft limit reaches zero or below', () => {
-			expect(
-				resolveAxisDistribution(SKEWED, ScatterAxisScale.Auto, [0]),
-			).toStrictEqual({
-				distribution: DistributionType.SymmetricLog,
-				asinhThreshold: 1,
-			});
-		});
-
-		it('counts a soft limit towards the decades it spans', () => {
-			expect(
-				resolveAxisDistribution([5, 50], ScatterAxisScale.Auto, [null, 5000]),
-			).toStrictEqual({ distribution: DistributionType.Logarithmic });
-		});
-
-		it('is the default', () => {
-			expect(resolveAxisDistribution(SKEWED)).toStrictEqual({
-				distribution: DistributionType.Logarithmic,
-			});
-		});
-	});
-});

frontend/src/lib/visualization/charts/Scatter/__tests__/buildScatterConfig.test.ts

@@ -1,88 +0,0 @@
-import { ScatterAxisScale, type ScatterSeries } from '../types';
-import { buildScatterConfig } from '../utils';
-
-jest.mock('lib/visualization/panels/utils/legendVisibilityUtils', () => ({
-	getStoredSeriesVisibility: jest.fn(),
-}));
-
-const SERIES: ScatterSeries[] = [
-	{ label: 'cart', xs: [10, 20], ys: [100, 200], sizes: [1, null] },
-	{ label: 'checkout', xs: [30], ys: [0] },
-];
-
-describe('buildScatterConfig', () => {
-	const build = (
-		overrides: Partial<Parameters<typeof buildScatterConfig>[0]> = {},
-	): ReturnType<typeof buildScatterConfig> =>
-		buildScatterConfig({
-			id: 'scatter',
-			series: SERIES,
-			isDarkMode: true,
-			x: { unit: 'reqps' },
-			y: { unit: 'ms', scale: ScatterAxisScale.Log },
-			...overrides,
-		});
-
-	it('draws a line along both plot edges', () => {
-		const [xAxis, yAxis] = build().getConfig().axes ?? [];
-
-		expect(xAxis?.border?.show).toBe(true);
-		expect(yAxis?.border?.show).toBe(true);
-	});
-
-	it('titles each axis with its label, and leaves an unlabelled one bare', () => {
-		const config = build({
-			x: { unit: 'reqps', label: 'Throughput' },
-			y: { unit: 'ms', label: '' },
-		}).getConfig();
-		const [xAxis, yAxis] = config.axes ?? [];
-
-		expect(xAxis?.label).toBe('Throughput');
-		expect(yAxis?.label).toBeUndefined();
-	});
-
-	it('emits a faceted plot with two value scales', () => {
-		const config = build().getConfig();
-
-		expect(config.mode).toBe(2);
-		expect(config.scales?.x).toMatchObject({ time: false, distr: 1 });
-		// The y column has a 0, so log becomes the symmetric variant.
-		expect(config.scales?.y).toMatchObject({ time: false, distr: 4 });
-	});
-
-	it('draws one faceted series per group with the plugin path builder', () => {
-		const config = build().getConfig();
-		const [, cart, checkout] = config.series ?? [];
-
-		expect(config.series).toHaveLength(3);
-		expect(cart).toMatchObject({
-			label: 'cart',
-			facets: [
-				{ scale: 'x', auto: true },
-				{ scale: 'y', auto: true },
-			],
-		});
-		expect(typeof cart?.paths).toBe('function');
-		expect(cart?.paths).toBe(checkout?.paths);
-		expect(cart?.points?.show).toBe(false);
-	});
-
-	it('formats both axes with their units', () => {
-		const config = build().getConfig();
-		const [xAxis, yAxis] = config.axes ?? [];
-
-		expect(xAxis).toMatchObject({ scale: 'x', side: 2, space: 90 });
-		expect(yAxis).toMatchObject({ scale: 'y', side: 3 });
-		expect(typeof xAxis?.values).toBe('function');
-		expect(typeof yAxis?.values).toBe('function');
-	});
-
-	it('registers a y threshold draw hook when thresholds are given', () => {
-		const config = build({
-			thresholds: [{ thresholdValue: 300, thresholdUnit: 'ms' }],
-		}).getConfig();
-
-		expect(config.hooks?.draw).toHaveLength(1);
-		expect(build().getConfig().hooks?.draw).toBeUndefined();
-	});
-});

frontend/src/lib/visualization/charts/Scatter/__tests__/scatterRange.test.ts

@@ -1,98 +0,0 @@
-import { DistributionType } from 'lib/uPlotV2/config/types';
-import uPlot from 'uplot';
-
-import { createScatterRange } from '../scatterRange';
-import type { ScatterRangeOptions } from '../types';
-
-/** A 220px-tall, 420px-wide plot at a device pixel ratio of 1. */
-const plot = { bbox: { width: 420, height: 220 } } as unknown as uPlot;
-
-function rangeOf(
-	options: Partial<ScatterRangeOptions>,
-	dataMin: number | null,
-	dataMax: number | null,
-): [number, number] {
-	const range = createScatterRange({
-		dimension: 'y',
-		marginPx: 10,
-		distribution: DistributionType.Linear,
-		...options,
-	}) as (u: uPlot, min: number | null, max: number | null) => [number, number];
-	return range(plot, dataMin, dataMax);
-}
-
-describe('createScatterRange', () => {
-	beforeAll(() => {
-		Object.defineProperty(uPlot, 'pxRatio', { value: 1, configurable: true });
-	});
-
-	it('widens a linear range so the data sits marginPx inside each edge', () => {
-		// 200px of data inside 220px: 10px at each end is 1/20 of the span.
-		expect(rangeOf({}, 0, 100)).toStrictEqual([-5, 105]);
-	});
-
-	it('measures the margin along its own axis', () => {
-		// 400px of data inside 420px.
-		expect(rangeOf({ dimension: 'x' }, 0, 100)).toStrictEqual([-2.5, 102.5]);
-	});
-
-	it('pads a log range in decades, without snapping to the next power of ten', () => {
-		const [min, max] = rangeOf(
-			{ distribution: DistributionType.Logarithmic },
-			1,
-			10,
-		);
-		expect(Math.log10(min)).toBeCloseTo(-0.05);
-		expect(Math.log10(max)).toBeCloseTo(1.05);
-	});
-
-	it('pads a symmetric log range in its asinh space', () => {
-		const [min, max] = rangeOf(
-			{ distribution: DistributionType.SymmetricLog, asinhThreshold: 2 },
-			0,
-			20,
-		);
-		const span = Math.asinh(10);
-		expect(Math.asinh(min / 2)).toBeCloseTo(-span / 20);
-		expect(Math.asinh(max / 2)).toBeCloseTo(span + span / 20);
-	});
-
-	it('stretches to the soft limits before padding', () => {
-		expect(rangeOf({ softMin: 0, softMax: 200 }, 50, 100)).toStrictEqual([
-			-10, 210,
-		]);
-	});
-
-	it('ignores a soft min at or below zero on a log scale', () => {
-		const [min] = rangeOf(
-			{ distribution: DistributionType.Logarithmic, softMin: 0 },
-			10,
-			100,
-		);
-		expect(min).toBeGreaterThan(0);
-	});
-
-	it('spreads a single value around itself', () => {
-		const [min, max] = rangeOf({}, 5, 5);
-		expect(min).toBeLessThan(5);
-		expect(max).toBeGreaterThan(5);
-		expect(5 - min).toBeCloseTo(max - 5);
-	});
-
-	it('falls back to a unit range with no data', () => {
-		expect(rangeOf({}, null, null)).toStrictEqual([0, 1]);
-		expect(
-			rangeOf({ distribution: DistributionType.Logarithmic }, null, null),
-		).toStrictEqual([1, 10]);
-	});
-
-	it('skips the margin on a plot too small to hold it', () => {
-		const tiny = { bbox: { width: 15, height: 15 } } as unknown as uPlot;
-		const range = createScatterRange({
-			dimension: 'y',
-			marginPx: 10,
-			distribution: DistributionType.Linear,
-		}) as (u: uPlot, min: number, max: number) => [number, number];
-		expect(range(tiny, 0, 100)).toStrictEqual([0, 100]);
-	});
-});

frontend/src/lib/visualization/charts/Scatter/__tests__/utils.test.ts

@@ -1,51 +0,0 @@
-import type uPlot from 'uplot';
-
-import type { ScatterSeries } from '../types';
-import { getCursorHit, prepareScatterChartData } from '../utils';
-
-jest.mock('lib/visualization/panels/utils/legendVisibilityUtils', () => ({
-	getStoredSeriesVisibility: jest.fn(),
-}));
-
-const SERIES: ScatterSeries[] = [
-	{ label: 'cart', xs: [10, 20], ys: [100, 200], sizes: [1, null] },
-	{ label: 'checkout', xs: [30], ys: [0] },
-];
-
-describe('prepareScatterChartData', () => {
-	it('lays series out as facets behind an empty x slot', () => {
-		expect(prepareScatterChartData(SERIES)).toStrictEqual([
-			null,
-			[
-				[10, 20],
-				[100, 200],
-				[1, null],
-			],
-			[[30], [0]],
-		]);
-	});
-});
-
-describe('getCursorHit', () => {
-	const plotWith = (idxs: Array<number | null>): uPlot =>
-		({ cursor: { idxs } }) as unknown as uPlot;
-
-	it('reads the series the scatter plugin answered for', () => {
-		expect(getCursorHit(plotWith([null, null, 4, null]))).toStrictEqual({
-			seriesIndex: 2,
-			dataIndex: 4,
-		});
-	});
-
-	it('takes a data index of 0 as a hit', () => {
-		expect(getCursorHit(plotWith([0, 0]))).toStrictEqual({
-			seriesIndex: 1,
-			dataIndex: 0,
-		});
-	});
-
-	it('is null off every dot', () => {
-		expect(getCursorHit(plotWith([null, null]))).toBeNull();
-		expect(getCursorHit({ cursor: {} } as unknown as uPlot)).toBeNull();
-	});
-});

frontend/src/lib/visualization/charts/Scatter/axisDistribution.ts

@@ -1,130 +0,0 @@
-import { DistributionType } from 'lib/uPlotV2/config/types';
-
-import { getScaleTransform } from './scatterRange';
-import { type AxisDistribution, ScatterAxisScale } from './types';
-
-const LINEAR_DISTRIBUTION: AxisDistribution = {
-	distribution: DistributionType.Linear,
-};
-
-/** Orders of magnitude `auto` needs before it considers leaving linear. */
-export const AUTO_MIN_DECADES = 2;
-
-/** How many times more axis the middle half of the points must cover for `auto` to leave linear. */
-export const AUTO_SPREAD_GAIN = 2;
-
-function getMagnitudeRange(values: number[]): {
-	minMagnitude: number;
-	maxMagnitude: number;
-	hasNonPositive: boolean;
-} {
-	let minMagnitude = Infinity;
-	let maxMagnitude = -Infinity;
-	let hasNonPositive = false;
-	for (const value of values) {
-		if (!Number.isFinite(value)) {
-			continue;
-		}
-		if (value <= 0) {
-			hasNonPositive = true;
-		}
-		if (value !== 0) {
-			minMagnitude = Math.min(minMagnitude, Math.abs(value));
-			maxMagnitude = Math.max(maxMagnitude, Math.abs(value));
-		}
-	}
-	return { minMagnitude, maxMagnitude, hasNonPositive };
-}
-
-/** The linear band ends at the smallest non-zero magnitude so small values still spread. */
-function symmetricLogDistribution(minMagnitude: number): AxisDistribution {
-	const asinhThreshold = Number.isFinite(minMagnitude)
-		? 10 ** Math.floor(Math.log10(minMagnitude))
-		: 1;
-	return { distribution: DistributionType.SymmetricLog, asinhThreshold };
-}
-
-function quantile(sorted: number[], q: number): number {
-	const position = (sorted.length - 1) * q;
-	const lower = Math.floor(position);
-	const upper = Math.ceil(position);
-	return sorted[lower] + (sorted[upper] - sorted[lower]) * (position - lower);
-}
-
-/** Share of the axis the middle half of the points covers. */
-function middleHalfSpread(
-	sorted: number[],
-	[min, max]: [number, number],
-	distribution: AxisDistribution,
-): number {
-	const { forward } = getScaleTransform(distribution);
-	const span = forward(max) - forward(min);
-	return span > 0
-		? (forward(quantile(sorted, 0.75)) - forward(quantile(sorted, 0.25))) / span
-		: 0;
-}
-
-/**
- * Log (symlog with zero or negatives) when it spreads the points out clearly
- * more than linear does; min/max alone would let one outlier decide.
- */
-function resolveAutoDistribution(
-	values: number[],
-	softLimits: number[],
-): AxisDistribution {
-	const sorted = values
-		.filter((value) => Number.isFinite(value))
-		.sort((a, b) => a - b);
-	if (sorted.length < 2) {
-		return LINEAR_DISTRIBUTION;
-	}
-	const { minMagnitude, maxMagnitude, hasNonPositive } = getMagnitudeRange([
-		...sorted,
-		...softLimits,
-	]);
-	if (!(Math.log10(maxMagnitude / minMagnitude) >= AUTO_MIN_DECADES)) {
-		return LINEAR_DISTRIBUTION;
-	}
-	const candidate = hasNonPositive
-		? symmetricLogDistribution(minMagnitude)
-		: { distribution: DistributionType.Logarithmic };
-	const extent: [number, number] = [
-		Math.min(sorted[0], ...softLimits),
-		Math.max(sorted[sorted.length - 1], ...softLimits),
-	];
-	const candidateSpread = middleHalfSpread(sorted, extent, candidate);
-	const linearSpread = middleHalfSpread(sorted, extent, LINEAR_DISTRIBUTION);
-	return candidateSpread > 0 &&
-		candidateSpread >= AUTO_SPREAD_GAIN * linearSpread
-		? candidate
-		: LINEAR_DISTRIBUTION;
-}
-
-/** `log` falls back to symlog rather than drop zero or negatives; callers filter first to drop them. */
-export function resolveAxisDistribution(
-	values: number[],
-	scale: ScatterAxisScale = ScatterAxisScale.Auto,
-	/** Soft limits and thresholds the axis must reach; only `auto` weighs them. */
-	softLimits: Array<number | null | undefined> = [],
-): AxisDistribution {
-	switch (scale) {
-		case ScatterAxisScale.Linear:
-			return LINEAR_DISTRIBUTION;
-		case ScatterAxisScale.SymLog:
-			return symmetricLogDistribution(getMagnitudeRange(values).minMagnitude);
-		case ScatterAxisScale.Log: {
-			const { minMagnitude, hasNonPositive } = getMagnitudeRange(values);
-			return hasNonPositive
-				? symmetricLogDistribution(minMagnitude)
-				: { distribution: DistributionType.Logarithmic };
-		}
-		case ScatterAxisScale.Auto:
-		default:
-			return resolveAutoDistribution(
-				values,
-				softLimits.filter(
-					(limit): limit is number => limit != null && Number.isFinite(limit),
-				),
-			);
-	}
-}

frontend/src/lib/visualization/charts/Scatter/scatterRange.ts

@@ -1,92 +0,0 @@
-import { DistributionType } from 'lib/uPlotV2/config/types';
-import { DEFAULT_ASINH_THRESHOLD } from 'lib/uPlotV2/utils/scale';
-import uPlot from 'uplot';
-
-import type {
-	AxisDistribution,
-	ScaleTransform,
-	ScatterRangeOptions,
-} from './types';
-
-export function getScaleTransform({
-	distribution,
-	asinhThreshold = DEFAULT_ASINH_THRESHOLD,
-}: AxisDistribution): ScaleTransform {
-	switch (distribution) {
-		case DistributionType.Logarithmic:
-			return {
-				forward: (value): number => Math.log10(value),
-				inverse: (position): number => 10 ** position,
-			};
-		case DistributionType.SymmetricLog:
-			return {
-				forward: (value): number => Math.asinh(value / asinhThreshold),
-				inverse: (position): number => Math.sinh(position) * asinhThreshold,
-			};
-		default:
-			return {
-				forward: (value): number => value,
-				inverse: (position): number => position,
-			};
-	}
-}
-
-/** In transformed units. */
-const SINGLE_VALUE_HALF_SPAN = 0.5;
-
-/** The data's extent stretched to the soft limits; null with neither. */
-function resolveExtent(
-	dataMin: number | null,
-	dataMax: number | null,
-	softMin: number | null | undefined,
-	softMax: number | null | undefined,
-): [number, number] | null {
-	const lows = [dataMin, softMin].filter(
-		(value): value is number => value != null && Number.isFinite(value),
-	);
-	const highs = [dataMax, softMax].filter(
-		(value): value is number => value != null && Number.isFinite(value),
-	);
-	return lows.length > 0 && highs.length > 0
-		? [Math.min(...lows), Math.max(...highs)]
-		: null;
-}
-
-/** Data extent padded by `marginPx` so edge dots draw whole; log stays unsnapped (snapping after the margin can add an empty decade). */
-export function createScatterRange({
-	dimension,
-	marginPx,
-	softMin,
-	softMax,
-	...distribution
-}: ScatterRangeOptions): uPlot.Scale.Range {
-	const transform = getScaleTransform(distribution);
-	const isLog = distribution.distribution === DistributionType.Logarithmic;
-
-	// A log scale cannot place a soft limit at or below zero.
-	const usableSoftMin = isLog && (softMin ?? 0) <= 0 ? null : softMin;
-
-	return (u, dataMin, dataMax): uPlot.Range.MinMax => {
-		const extent = resolveExtent(dataMin, dataMax, usableSoftMin, softMax);
-		if (!extent) {
-			return isLog ? [1, 10] : [0, 1];
-		}
-
-		let start = transform.forward(extent[0]);
-		let end = transform.forward(extent[1]);
-		if (start === end) {
-			start -= SINGLE_VALUE_HALF_SPAN;
-			end += SINGLE_VALUE_HALF_SPAN;
-		}
-
-		const plotPx =
-			(dimension === 'x' ? u.bbox.width : u.bbox.height) / uPlot.pxRatio;
-		if (plotPx > 2 * marginPx) {
-			const pad = ((end - start) * marginPx) / (plotPx - 2 * marginPx);
-			start -= pad;
-			end += pad;
-		}
-
-		return [transform.inverse(start), transform.inverse(end)];
-	};
-}

frontend/src/lib/visualization/charts/Scatter/types.ts

@@ -1,67 +0,0 @@
-import type { PrecisionOption } from 'components/Graph/types';
-import type {
-	DistributionType,
-	SelectionPreferencesSource,
-} from 'lib/uPlotV2/config/types';
-import type { Threshold } from 'lib/uPlotV2/hooks/types';
-import type { ScatterPointSize } from 'lib/uPlotV2/plugins/ScatterPlugin/types';
-
-export interface ScatterSeries {
-	label: string;
-	xs: number[];
-	ys: number[];
-	/** Optional third channel, in the caller's units. */
-	sizes?: Array<number | null>;
-}
-
-export enum ScatterAxisScale {
-	/** Log or symlog when it spreads the points out more than linear does. */
-	Auto = 'auto',
-	Linear = 'linear',
-	Log = 'log',
-	/** Log-like, but places zero and negatives. */
-	SymLog = 'symlog',
-}
-
-export interface ScatterAxisOptions {
-	label?: string;
-	unit?: string;
-	softMin?: number | null;
-	softMax?: number | null;
-	scale?: ScatterAxisScale;
-}
-
-export interface BuildScatterConfigArgs {
-	id: string;
-	series: ScatterSeries[];
-	isDarkMode: boolean;
-	x: ScatterAxisOptions;
-	y: ScatterAxisOptions;
-	pointSize?: ScatterPointSize;
-	/** 0–1. */
-	fillOpacity?: number;
-	colorMapping?: Record<string, string>;
-	/** Drawn on the y axis. */
-	thresholds?: Threshold[];
-	decimalPrecision?: PrecisionOption;
-	selectionPreferencesSource?: SelectionPreferencesSource;
-	shouldSaveSelectionPreference?: boolean;
-}
-
-export interface AxisDistribution {
-	distribution: DistributionType;
-	asinhThreshold?: number;
-}
-
-export interface ScaleTransform {
-	forward: (value: number) => number;
-	inverse: (position: number) => number;
-}
-
-export interface ScatterRangeOptions extends AxisDistribution {
-	dimension: 'x' | 'y';
-	/** CSS pixels kept clear at each end so the largest dot draws whole. */
-	marginPx: number;
-	softMin?: number | null;
-	softMax?: number | null;
-}

frontend/src/lib/visualization/charts/Scatter/utils.ts

@@ -1,194 +0,0 @@
-import {
-	type AxisProps,
-	DistributionType,
-	DrawStyle,
-} from 'lib/uPlotV2/config/types';
-import { UPlotConfigBuilder } from 'lib/uPlotV2/config/UPlotConfigBuilder';
-import {
-	applyScatterPlugin,
-	createScatterPlugin,
-	SCATTER_FACETS,
-} from 'lib/uPlotV2/plugins/ScatterPlugin/scatterPlugin';
-import {
-	DEFAULT_SCATTER_POINT_SIZE,
-	ScatterChartData,
-	ScatterSeriesData,
-} from 'lib/uPlotV2/plugins/ScatterPlugin/types';
-import {
-	logScaleSplits,
-	spacedLogLabels,
-} from 'lib/uPlotV2/utils/logGridSplits';
-import { adjustSoftLimitsWithThresholds } from 'lib/uPlotV2/utils/scale';
-import uPlot from 'uplot';
-
-import { resolveAxisDistribution } from './axisDistribution';
-import { createScatterRange } from './scatterRange';
-import type {
-	AxisDistribution,
-	BuildScatterConfigArgs,
-	ScatterSeries,
-} from './types';
-
-const POINT_STROKE_WIDTH = 1;
-
-/** Unit-suffixed x labels are wider than uPlot's 50px default assumes. */
-const X_AXIS_TICK_SPACE_PX = 90;
-const X_AXIS_END_LABEL_PADDING_PX = 40;
-
-/** The plugin's `dataIdx` answers only for the hit series. */
-export function getCursorHit(
-	plot: uPlot,
-): { seriesIndex: number; dataIndex: number } | null {
-	const idxs = plot.cursor.idxs ?? [];
-	for (let seriesIndex = 1; seriesIndex < idxs.length; seriesIndex++) {
-		const dataIndex = idxs[seriesIndex];
-		if (dataIndex != null) {
-			return { seriesIndex, dataIndex };
-		}
-	}
-	return null;
-}
-
-/** `[null, [xs, ys, sizes?], …]`: uPlot's faceted layout, series 0 empty. */
-export function prepareScatterChartData(
-	series: ScatterSeries[],
-): uPlot.AlignedData {
-	const data: ScatterChartData = [
-		null,
-		...series.map((entry): ScatterSeriesData =>
-			entry.sizes ? [entry.xs, entry.ys, entry.sizes] : [entry.xs, entry.ys],
-		),
-	];
-	return data as unknown as uPlot.AlignedData;
-}
-
-/** The scatter range is unsnapped, so a log axis places and labels its own ticks. */
-function getLogAxisTicks({
-	distribution,
-}: AxisDistribution): Pick<AxisProps, 'splits' | 'filter'> {
-	return distribution === DistributionType.Logarithmic
-		? { splits: logScaleSplits, filter: spacedLogLabels }
-		: {};
-}
-
-export function buildScatterConfig({
-	id,
-	series,
-	isDarkMode,
-	x,
-	y,
-	pointSize = DEFAULT_SCATTER_POINT_SIZE,
-	fillOpacity,
-	colorMapping = {},
-	thresholds,
-	decimalPrecision,
-	selectionPreferencesSource,
-	shouldSaveSelectionPreference,
-}: BuildScatterConfigArgs): UPlotConfigBuilder {
-	const builder = new UPlotConfigBuilder({
-		id,
-		selectionPreferencesSource,
-		shouldSaveSelectionPreference,
-	});
-
-	const plugin = createScatterPlugin({ pointSize });
-	applyScatterPlugin(builder, plugin);
-	// The last x label is centred on the plot's right edge; room for its unit.
-	builder.setPadding([16, X_AXIS_END_LABEL_PADDING_PX, 8, 8]);
-
-	const ySoftLimits = adjustSoftLimitsWithThresholds(
-		y.softMin ?? null,
-		y.softMax ?? null,
-		thresholds,
-		y.unit,
-	);
-	const xDistribution = resolveAxisDistribution(
-		series.flatMap((entry) => entry.xs),
-		x.scale,
-		[x.softMin, x.softMax],
-	);
-	const yDistribution = resolveAxisDistribution(
-		series.flatMap((entry) => entry.ys),
-		y.scale,
-		[ySoftLimits.softMin, ySoftLimits.softMax],
-	);
-
-	const yThresholds =
-		thresholds && thresholds.length > 0
-			? { scaleKey: 'y', thresholds, yAxisUnit: y.unit }
-			: undefined;
-
-	// The largest disc drawn, plus its outline, kept clear of each plot edge.
-	const largestDiameter = series.some((entry) => entry.sizes)
-		? pointSize.max
-		: pointSize.fixed;
-	const marginPx = largestDiameter / 2 + POINT_STROKE_WIDTH;
-
-	builder.addScale({
-		scaleKey: 'x',
-		time: false,
-		range: createScatterRange({
-			dimension: 'x',
-			marginPx,
-			softMin: x.softMin,
-			softMax: x.softMax,
-			...xDistribution,
-		}),
-		...xDistribution,
-	});
-	builder.addScale({
-		scaleKey: 'y',
-		time: false,
-		range: createScatterRange({
-			dimension: 'y',
-			marginPx,
-			...ySoftLimits,
-			...yDistribution,
-		}),
-		...yDistribution,
-	});
-
-	builder.addAxis({
-		scaleKey: 'x',
-		side: 2,
-		label: x.label || undefined,
-		isDarkMode,
-		isTimeAxis: false,
-		yAxisUnit: x.unit ?? '',
-		decimalPrecision,
-		isLogScale: xDistribution.distribution !== DistributionType.Linear,
-		...getLogAxisTicks(xDistribution),
-		space: X_AXIS_TICK_SPACE_PX,
-	});
-	builder.addAxis({
-		scaleKey: 'y',
-		side: 3,
-		label: y.label || undefined,
-		isDarkMode,
-		yAxisUnit: y.unit ?? '',
-		decimalPrecision,
-		isLogScale: yDistribution.distribution !== DistributionType.Linear,
-		...getLogAxisTicks(yDistribution),
-	});
-
-	series.forEach((entry) => {
-		builder.addSeries({
-			scaleKey: 'y',
-			label: entry.label,
-			colorMapping,
-			drawStyle: DrawStyle.Scatter,
-			pathBuilder: plugin.pathBuilder,
-			facets: SCATTER_FACETS,
-			lineWidth: POINT_STROKE_WIDTH,
-			pointSize: pointSize.fixed,
-			fillOpacity,
-			isDarkMode,
-		});
-	});
-
-	if (yThresholds) {
-		builder.addThresholds(yThresholds);
-	}
-
-	return builder;
-}

frontend/src/lib/visualization/charts/types.ts

@@ -16,10 +16,6 @@ import type {
 	HeatmapColorOptions,
 	HeatmapSeries,
 } from 'lib/uPlotV2/plugins/HeatmapPlugin/types';
-import type {
-	ScatterChannels,
-	ScatterPointLabel,
-} from 'lib/uPlotV2/plugins/ScatterPlugin/types';
 import {
 	DashboardCursorSync,
 	SyncTooltipFilterMode,
@@ -92,26 +88,6 @@ export interface HistogramChartProps extends ChartWrapperProps {
 	isQueriesMerged?: boolean;
 }
 
-/** The dot a click landed on; `seriesIndex` is uPlot's, so the first series is 1. */
-export interface ScatterPointClick {
-	seriesIndex: number;
-	dataIndex: number;
-	color: string;
-	/** Viewport coordinates of the click. */
-	coordinates: { x: number; y: number };
-}
-
-/** `data` is mode-2 (`prepareScatterChartData`); `config` comes from `buildScatterConfig`. */
-export interface ScatterChartProps extends ChartWrapperProps {
-	channels: ScatterChannels;
-	resolvePointGroupValues?: (
-		seriesIndex: number,
-		dataIndex: number,
-	) => ScatterPointLabel[];
-	/** Fires for a click on a dot; a click on empty plot space fires nothing. */
-	onPointClick?: (click: ScatterPointClick) => void;
-}
-
 /**
  * Data arrives as the query response carries it — bucket bounds plus one series per
  * group — and the chart pivots and sums it, so no caller has to get the transpose

pkg/types/dashboardtypes/perses_dashboard_data.go

@@ -123,22 +123,10 @@ func (d *DashboardSpec) validatePanels() error {
 				return err
 			}
 		}
-		// validatePanelQueryCount left exactly one query for a spec that reads it.
-		if spec, ok := panel.Spec.Plugin.Spec.(queryBoundPanelSpec); ok {
-			if err := spec.validateAgainstQuery(panel.Spec.Queries[0], path+".spec.plugin.spec"); err != nil {
-				return err
-			}
-		}
 	}
 	return nil
 }
 
-// queryBoundPanelSpec is a panel spec with fields that depend on the panel's
-// query. It is checked after the query itself validates.
-type queryBoundPanelSpec interface {
-	validateAgainstQuery(query Query, path string) error
-}
-
 func validatePanelQueryCount(queries []Query, panelKind PanelPluginKind, path string) error {
 	if queries == nil {
 		return errors.NewInvalidInputf(ErrCodeDashboardInvalidInput, "%s.spec.queries: is required and must not be null; use [] for a panel that renders without a query", path)

pkg/types/dashboardtypes/perses_dashboard_test.go

@@ -1870,332 +1870,6 @@ func TestInvalidateAreaChartPanelSpecValues(t *testing.T) {
 	}
 }
 
-func TestScatterPlotPanelDefaults(t *testing.T) {
-	data := []byte(`{
-		"variables": [],
-		"panels": {
-			"p1": {
-				"kind": "Panel",
-				"spec": {
-					"links": [],
-					"plugin": {
-						"kind": "signoz/ScatterPlotPanel",
-						"spec": {}
-					},
-					"queries": [{"kind": "scalar", "spec": {"plugin": {"kind": "signoz/ClickHouseSQL", "spec": {"name": "A", "query": "SELECT 1"}}}}]
-				}
-			}
-		},
-		"links": [],
-		"layouts": []
-	}`)
-	d, err := unmarshalDashboard(data)
-	require.NoError(t, err, "unmarshal and validate failed")
-
-	require.IsType(t, &ScatterPlotPanelSpec{}, d.Panels["p1"].Spec.Plugin.Spec)
-	spec := d.Panels["p1"].Spec.Plugin.Spec.(*ScatterPlotPanelSpec)
-
-	assert.Empty(t, spec.Dimensions.X, "an omitted x stays empty so the renderer picks the first value column")
-	assert.Empty(t, spec.Dimensions.Y, "an omitted y stays empty so the renderer picks the second value column")
-	assert.Empty(t, spec.Dimensions.ColorBy, "an omitted colorBy stays empty so the renderer colours by every group-by label")
-	assert.Equal(t, "auto", spec.Axes.X.Scale.ValueOrDefault(), "expected x scale default auto")
-	assert.Equal(t, "auto", spec.Axes.Y.Scale.ValueOrDefault(), "expected y scale default auto")
-	assert.Nil(t, spec.Axes.X.SoftMin, "expected x softMin unset")
-	assert.Equal(t, "2", spec.Formatting.DecimalPrecision.ValueOrDefault(), "expected DecimalPrecision default 2")
-	assert.Equal(t, "global_time", spec.Visualization.TimePreference.ValueOrDefault(), "expected TimePreference default global_time")
-	assert.Equal(t, "bottom", spec.Legend.Position.ValueOrDefault(), "expected LegendPosition default bottom")
-
-	output, err := json.Marshal(d)
-	require.NoError(t, err, "marshal dashboard failed")
-	assert.Contains(t, string(output), `"axes":{"x":{"softMin":null,"softMax":null,"scale":"auto","label":""},"y":{"softMin":null,"softMax":null,"scale":"auto","label":""}}`, "expected default axes in stored/response JSON")
-	assert.Contains(t, string(output), `"dimensions":{"x":"","y":"","sizeBy":"","colorBy":null}`, "expected empty dimensions in stored/response JSON")
-	assert.Contains(t, string(output), `"chartAppearance":{"points":{"size":null,"minSize":null,"maxSize":null,"opacity":null}}`, "omitted point settings stay null so the renderer applies its defaults")
-}
-
-func TestValidateScatterPlotDashboard(t *testing.T) {
-	data, err := os.ReadFile("testdata/perses_scatter_plot_panel.json")
-	require.NoError(t, err, "reading example file")
-
-	spec, err := unmarshalDashboard(data)
-	require.NoError(t, err, "unmarshal and validate failed")
-
-	require.IsType(t, &ScatterPlotPanelSpec{}, spec.Panels["p1"].Spec.Plugin.Spec)
-	panelSpec := spec.Panels["p1"].Spec.Plugin.Spec.(*ScatterPlotPanelSpec)
-	softMin, softMax := 0.0, 1000.0
-	size, minSize, maxSize, opacity := PointDiameter(8), PointDiameter(4), PointDiameter(24), PointOpacity(0.1)
-	assert.Equal(t, &ScatterPlotPanelSpec{
-		Visualization: BasicVisualization{TimePreference: TimePreferenceLast1Hr},
-		Dimensions:    ScatterPlotDimensions{X: "A.count()", Y: "A.p99(duration_nano)", SizeBy: "A.countIf(has_error = true)", ColorBy: []string{"k8s.namespace.name", "k8s.pod.name"}},
-		Formatting:    TableFormatting{ColumnUnits: map[string]string{"A.p99(duration_nano)": "ns"}, DecimalPrecision: PrecisionOption1},
-		Axes: ScatterPlotAxes{
-			X: ScatterPlotAxis{SoftMin: &softMin, Scale: AxisScaleLog, Label: "Throughput"},
-			Y: ScatterPlotAxis{SoftMax: &softMax, Scale: AxisScaleSymlog, Label: "p99 latency"},
-		},
-		ChartAppearance: ScatterPlotChartAppearance{Points: ScatterPlotPoints{Size: &size, MinSize: &minSize, MaxSize: &maxSize, Opacity: &opacity}},
-		Legend:          Legend{Position: LegendPositionRight, Mode: LegendModeList, CustomColors: map[string]string{"checkout": "#1f77b4"}},
-		Thresholds: []ScatterPlotThreshold{
-			{ThresholdWithLabel: ThresholdWithLabel{Value: 300, Unit: "ms", Color: "#f00", Label: "p99 SLO"}, Axis: ThresholdAxisY},
-			{ThresholdWithLabel: ThresholdWithLabel{Value: 50, Color: "#0f0"}, Axis: ThresholdAxisX},
-		},
-	}, panelSpec)
-
-	dashboard := &DashboardV2{Spec: *spec}
-	request, err := dashboard.GetPanelQuery(1, 2, "p1")
-	require.NoError(t, err, "building the panel's query failed")
-	assert.Equal(t, qb.RequestTypeScalar, request.RequestType)
-	require.NotNil(t, request.FormatOptions)
-	assert.True(t, request.FormatOptions.FormatTableResultForUI, "scatter rows are joined the way a table's are")
-
-	require.Len(t, request.CompositeQuery.Queries, 1)
-	query, ok := request.CompositeQuery.Queries[0].Spec.(qb.QueryBuilderQuery[qb.TraceAggregation])
-	require.True(t, ok, "expected a traces builder query")
-	assert.Len(t, query.Aggregations, 3)
-	assert.Len(t, query.GroupBy, 2)
-
-	require.NoError(t, request.Validate(), "the request built from the panel is not a valid scalar request")
-
-	// the panel read back out of storage draws the same scatter plot
-	stored, err := json.Marshal(spec)
-	require.NoError(t, err, "marshal dashboard failed")
-	reread, err := unmarshalDashboard(stored)
-	require.NoError(t, err, "the stored dashboard does not validate")
-	assert.Equal(t, panelSpec, reread.Panels["p1"].Spec.Plugin.Spec)
-	rereadRequest, err := (&DashboardV2{Spec: *reread}).GetPanelQuery(1, 2, "p1")
-	require.NoError(t, err, "building the stored panel's query failed")
-	assert.Equal(t, request, rereadRequest)
-}
-
-func TestInvalidateScatterPlotPanelSpecValues(t *testing.T) {
-	tests := []struct {
-		scenario               string
-		panelKind              string
-		panelSpec              string
-		expectedErrorSubstring string
-	}{
-		{
-			scenario:               "unknown axis scale",
-			panelKind:              "signoz/ScatterPlotPanel",
-			panelSpec:              `{"axes": {"x": {"scale": "sqrt"}}}`,
-			expectedErrorSubstring: "invalid axis scale \"sqrt\": must be `auto`, `linear`, `log`, or `symlog`",
-		},
-		{
-			scenario:               "non-string axis scale",
-			panelKind:              "signoz/ScatterPlotPanel",
-			panelSpec:              `{"axes": {"y": {"scale": true}}}`,
-			expectedErrorSubstring: "cannot unmarshal bool",
-		},
-		{
-			scenario:               "isLogScale on a scatter plot axis",
-			panelKind:              "signoz/ScatterPlotPanel",
-			panelSpec:              `{"axes": {"x": {"isLogScale": true}}}`,
-			expectedErrorSubstring: "unknown field",
-		},
-		{
-			scenario:               "single-axis axes shape on a scatter plot panel",
-			panelKind:              "signoz/ScatterPlotPanel",
-			panelSpec:              `{"axes": {"softMin": 0}}`,
-			expectedErrorSubstring: "unknown field",
-		},
-		{
-			scenario:               "unknown threshold axis",
-			panelKind:              "signoz/ScatterPlotPanel",
-			panelSpec:              `{"thresholds": [{"value": 1, "color": "#f00", "axis": "z"}]}`,
-			expectedErrorSubstring: "invalid threshold axis \"z\": must be `x` or `y`",
-		},
-		{
-			scenario:               "unknown dimension",
-			panelKind:              "signoz/ScatterPlotPanel",
-			panelSpec:              `{"dimensions": {"z": "A"}}`,
-			expectedErrorSubstring: "unknown field",
-		},
-		{
-			scenario:               "point size below the minimum",
-			panelKind:              "signoz/ScatterPlotPanel",
-			panelSpec:              `{"chartAppearance": {"points": {"size": 1}}}`,
-			expectedErrorSubstring: "invalid point diameter 1: must be a whole number between 2 and 40",
-		},
-		{
-			scenario:               "max point size above the maximum",
-			panelKind:              "signoz/ScatterPlotPanel",
-			panelSpec:              `{"chartAppearance": {"points": {"maxSize": 41}}}`,
-			expectedErrorSubstring: "invalid point diameter 41",
-		},
-		{
-			scenario:               "fractional point size",
-			panelKind:              "signoz/ScatterPlotPanel",
-			panelSpec:              `{"chartAppearance": {"points": {"minSize": 4.5}}}`,
-			expectedErrorSubstring: "cannot unmarshal number 4.5",
-		},
-		{
-			scenario:               "min point size above max",
-			panelKind:              "signoz/ScatterPlotPanel",
-			panelSpec:              `{"chartAppearance": {"points": {"minSize": 20, "maxSize": 10}}}`,
-			expectedErrorSubstring: "minSize 20 must not exceed maxSize 10",
-		},
-		{
-			scenario:               "point opacity below the floor",
-			panelKind:              "signoz/ScatterPlotPanel",
-			panelSpec:              `{"chartAppearance": {"points": {"opacity": 0.05}}}`,
-			expectedErrorSubstring: "invalid point opacity 0.05: must be between 0.1 and 1",
-		},
-		{
-			scenario:               "point opacity as a percentage",
-			panelKind:              "signoz/ScatterPlotPanel",
-			panelSpec:              `{"chartAppearance": {"points": {"opacity": 70}}}`,
-			expectedErrorSubstring: "invalid point opacity 70",
-		},
-		{
-			scenario:               "misspelled point setting",
-			panelKind:              "signoz/ScatterPlotPanel",
-			panelSpec:              `{"chartAppearance": {"points": {"opactiy": 0.5}}}`,
-			expectedErrorSubstring: "unknown field",
-		},
-		{
-			scenario:               "area fill fields on a scatter plot",
-			panelKind:              "signoz/ScatterPlotPanel",
-			panelSpec:              `{"chartAppearance": {"fillOpacity": 0.5}}`,
-			expectedErrorSubstring: "unknown field",
-		},
-		{
-			scenario:               "a single colour key as a string",
-			panelKind:              "signoz/ScatterPlotPanel",
-			panelSpec:              `{"dimensions": {"colorBy": "service.name"}}`,
-			expectedErrorSubstring: "cannot unmarshal string",
-		},
-		{
-			scenario:               "panel-wide unit on a scatter plot panel",
-			panelKind:              "signoz/ScatterPlotPanel",
-			panelSpec:              `{"formatting": {"unit": "ms"}}`,
-			expectedErrorSubstring: "unknown field",
-		},
-		{
-			scenario:               "threshold without a color",
-			panelKind:              "signoz/ScatterPlotPanel",
-			panelSpec:              `{"thresholds": [{"value": 300}]}`,
-			expectedErrorSubstring: "Color' Error:Field validation for 'Color' failed on the 'required' tag",
-		},
-		{
-			scenario:               "scale on a time series panel",
-			panelKind:              "signoz/TimeSeriesPanel",
-			panelSpec:              `{"axes": {"scale": "log"}}`,
-			expectedErrorSubstring: "unknown field",
-		},
-	}
-
-	for _, test := range tests {
-		t.Run(test.scenario, func(t *testing.T) {
-			data := []byte(`{
-				"variables": [],
-				"panels": {
-					"p1": {
-						"kind": "Panel",
-						"spec": {
-							"links": [],
-							"plugin": {"kind": "` + test.panelKind + `", "spec": ` + test.panelSpec + `},
-							"queries": [{"kind": "scalar", "spec": {"plugin": {"kind": "signoz/ClickHouseSQL", "spec": {"name": "A", "query": "SELECT 1"}}}}]
-						}
-					}
-				},
-				"links": [],
-				"layouts": []
-			}`)
-			_, err := unmarshalDashboard(data)
-			require.Error(t, err, "expected the spec to be rejected")
-			assert.Contains(t, err.Error(), test.expectedErrorSubstring, "unexpected error message: %s", err.Error())
-		})
-	}
-}
-
-func TestScatterPlotDimensionsBindToQuery(t *testing.T) {
-	tests := []struct {
-		scenario               string
-		queryPlugin            string
-		dimensions             string
-		expectedErrorSubstring string
-	}{
-		{
-			scenario:               "a multi-aggregation query keys each value column by name and expression",
-			queryPlugin:            `{"kind": "signoz/BuilderQuery", "spec": {"name": "A", "signal": "traces", "aggregations": [{"expression": "count()"}, {"expression": "p99(duration_nano)"}]}}`,
-			dimensions:             `{"x": "A"}`,
-			expectedErrorSubstring: "dimensions.x: \"A\" is not a value column of the panel's query; value columns: `A.count()`, `A.p99(duration_nano)`",
-		},
-		{
-			scenario:               "a colour key the query does not group by",
-			queryPlugin:            `{"kind": "signoz/BuilderQuery", "spec": {"name": "A", "signal": "traces", "aggregations": [{"expression": "count()"}], "groupBy": [{"name": "service.name"}]}}`,
-			dimensions:             `{"colorBy": ["service.name", "k8s.pod.name"]}`,
-			expectedErrorSubstring: "dimensions.colorBy: \"k8s.pod.name\" is not a group-by key of the panel's query; group-by keys: `service.name`",
-		},
-		{
-			scenario: "a formula is a value column and carries the labels of the disabled queries it reads",
-			queryPlugin: `{"kind": "signoz/CompositeQuery", "spec": {"queries": [
-				{"type": "builder_query", "spec": {"name": "A", "signal": "traces", "disabled": true, "aggregations": [{"expression": "count()"}], "groupBy": [{"name": "service.name"}]}},
-				{"type": "builder_query", "spec": {"name": "B", "signal": "traces", "disabled": true, "aggregations": [{"expression": "countIf(has_error = true)"}], "groupBy": [{"name": "service.name"}]}},
-				{"type": "builder_formula", "spec": {"name": "F1", "expression": "B / A"}}
-			]}}`,
-			dimensions: `{"x": "F1", "colorBy": ["service.name"]}`,
-		},
-		{
-			scenario:    "clickhouse columns are only known at run time, so the bindings go unchecked",
-			queryPlugin: `{"kind": "signoz/ClickHouseSQL", "spec": {"name": "A", "query": "SELECT 1"}}`,
-			dimensions:  `{"x": "throughput", "colorBy": ["pod"]}`,
-		},
-		{
-			scenario: "queries grouped by different keys have no rows that join into dots",
-			queryPlugin: `{"kind": "signoz/CompositeQuery", "spec": {"queries": [
-				{"type": "builder_query", "spec": {"name": "A", "signal": "traces", "aggregations": [{"expression": "count()"}], "groupBy": [{"name": "service.name"}]}},
-				{"type": "builder_query", "spec": {"name": "B", "signal": "traces", "aggregations": [{"expression": "p99(duration_nano)"}], "groupBy": [{"name": "k8s.pod.name"}]}}
-			]}}`,
-			dimensions:             `{"x": "A", "y": "B"}`,
-			expectedErrorSubstring: "queries must group by the same keys so their rows join into dots; \"A\" groups by [`service.name`], \"B\" groups by [`k8s.pod.name`]",
-		},
-		{
-			scenario: "group-by order does not matter, since rows join on the label set",
-			queryPlugin: `{"kind": "signoz/CompositeQuery", "spec": {"queries": [
-				{"type": "builder_query", "spec": {"name": "A", "signal": "traces", "aggregations": [{"expression": "count()"}], "groupBy": [{"name": "service.name"}, {"name": "k8s.pod.name"}]}},
-				{"type": "builder_query", "spec": {"name": "B", "signal": "traces", "aggregations": [{"expression": "p99(duration_nano)"}], "groupBy": [{"name": "k8s.pod.name"}, {"name": "service.name"}]}}
-			]}}`,
-			dimensions: `{"x": "A", "y": "B", "colorBy": ["service.name"]}`,
-		},
-		{
-			scenario: "every query counts toward the shared group-by, even one disabled and unread",
-			queryPlugin: `{"kind": "signoz/CompositeQuery", "spec": {"queries": [
-				{"type": "builder_query", "spec": {"name": "A", "signal": "traces", "aggregations": [{"expression": "count()"}], "groupBy": [{"name": "service.name"}]}},
-				{"type": "builder_query", "spec": {"name": "B", "signal": "traces", "aggregations": [{"expression": "p99(duration_nano)"}], "groupBy": [{"name": "service.name"}]}},
-				{"type": "builder_query", "spec": {"name": "C", "signal": "traces", "disabled": true, "aggregations": [{"expression": "count()"}], "groupBy": [{"name": "k8s.pod.name"}]}}
-			]}}`,
-			dimensions:             `{"x": "A", "y": "B"}`,
-			expectedErrorSubstring: "\"A\" groups by [`service.name`], \"C\" groups by [`k8s.pod.name`]",
-		},
-	}
-
-	for _, test := range tests {
-		t.Run(test.scenario, func(t *testing.T) {
-			data := []byte(`{
-				"variables": [],
-				"panels": {
-					"p1": {
-						"kind": "Panel",
-						"spec": {
-							"links": [],
-							"plugin": {"kind": "signoz/ScatterPlotPanel", "spec": {"dimensions": ` + test.dimensions + `}},
-							"queries": [{"kind": "scalar", "spec": {"plugin": ` + test.queryPlugin + `}}]
-						}
-					}
-				},
-				"links": [],
-				"layouts": []
-			}`)
-			_, err := unmarshalDashboard(data)
-			if test.expectedErrorSubstring == "" {
-				require.NoError(t, err)
-				return
-			}
-			require.Error(t, err, "expected the binding to be rejected")
-			assert.Contains(t, err.Error(), test.expectedErrorSubstring, "unexpected error message: %s", err.Error())
-		})
-	}
-}
-
 func TestNumberPanelDefaults(t *testing.T) {
 	data := []byte(`{
 		"variables": [],
@@ -2554,7 +2228,7 @@ func TestPanelTypeQueryTypeCompatibility(t *testing.T) {
 		switch panelKind {
 		case "signoz/ListPanel":
 			return "raw"
-		case "signoz/TablePanel", "signoz/NumberPanel", "signoz/PieChartPanel", "signoz/HistogramPanel", "signoz/ScatterPlotPanel":
+		case "signoz/TablePanel", "signoz/NumberPanel", "signoz/PieChartPanel", "signoz/HistogramPanel":
 			return "scalar"
 		default:
 			return "time_series"
@@ -2598,18 +2272,14 @@ func TestPanelTypeQueryTypeCompatibility(t *testing.T) {
 		{"List+Builder", mkQuery("signoz/ListPanel", "signoz/BuilderQuery", `{"name":"A","signal":"logs"}`), false},
 		{"TimeSeries+AIBuilder", mkQuery("signoz/TimeSeriesPanel", "signoz/AIBuilderQuery", `{"name":"A","aggregations":[{"expression":"count()"}]}`), false},
 		{"List+AIBuilder", mkQuery("signoz/ListPanel", "signoz/AIBuilderQuery", `{"name":"A"}`), false},
-		{"ScatterPlot+ClickHouse", mkQuery("signoz/ScatterPlotPanel", "signoz/ClickHouseSQL", `{"name":"A","query":"SELECT 1"}`), false},
 		// Top-level: rejected
 		{"Table+PromQL", mkQuery("signoz/TablePanel", "signoz/PromQLQuery", `{"name":"A","query":"up"}`), true},
-		{"ScatterPlot+PromQL", mkQuery("signoz/ScatterPlotPanel", "signoz/PromQLQuery", `{"name":"A","query":"up"}`), true},
-		{"ScatterPlot+TraceOperator", mkQuery("signoz/ScatterPlotPanel", "signoz/TraceOperator", `{"name":"T1","expression":"A => B"}`), true},
 		{"List+ClickHouse", mkQuery("signoz/ListPanel", "signoz/ClickHouseSQL", `{"name":"A","query":"SELECT 1"}`), true},
 		{"List+PromQL", mkQuery("signoz/ListPanel", "signoz/PromQLQuery", `{"name":"A","query":"up"}`), true},
 		{"List+Composite", mkQuery("signoz/ListPanel", "signoz/CompositeQuery", `{"queries":[]}`), true},
 		{"List+Formula", mkQuery("signoz/ListPanel", "signoz/Formula", `{"name":"F1","expression":"A+B"}`), true},
 		// Composite sub-queries
 		{"Table+Composite(promql)", mkComposite("signoz/TablePanel", "promql", `{"name":"A","query":"up"}`), true},
-		{"ScatterPlot+Composite(promql)", mkComposite("signoz/ScatterPlotPanel", "promql", `{"name":"A","query":"up"}`), true},
 		{"Table+Composite(clickhouse)", mkComposite("signoz/TablePanel", "clickhouse_sql", `{"name":"A","query":"SELECT 1"}`), false},
 		{"Table+Composite(builder_ai)", mkComposite("signoz/TablePanel", "builder_ai_query", `{"name":"A","aggregations":[{"expression":"count()"}]}`), false},
 	}

pkg/types/dashboardtypes/perses_plugin_wrappers.go

@@ -28,17 +28,16 @@ type PanelPlugin struct {
 // (and strips the duplicate parent properties) after reflection.
 func (PanelPlugin) PrepareJSONSchema(s *jsonschema.Schema) error {
 	return markDiscriminator(s, "kind", map[string]string{
-		string(PanelKindTimeSeries):  schemaRef("DashboardtypesPanelPluginVariantGithubComSigNozSignozPkgTypesDashboardtypesTimeSeriesPanelSpec"),
-		string(PanelKindBarChart):    schemaRef("DashboardtypesPanelPluginVariantGithubComSigNozSignozPkgTypesDashboardtypesBarChartPanelSpec"),
-		string(PanelKindAreaChart):   schemaRef("DashboardtypesPanelPluginVariantGithubComSigNozSignozPkgTypesDashboardtypesAreaChartPanelSpec"),
-		string(PanelKindNumber):      schemaRef("DashboardtypesPanelPluginVariantGithubComSigNozSignozPkgTypesDashboardtypesNumberPanelSpec"),
-		string(PanelKindPieChart):    schemaRef("DashboardtypesPanelPluginVariantGithubComSigNozSignozPkgTypesDashboardtypesPieChartPanelSpec"),
-		string(PanelKindTable):       schemaRef("DashboardtypesPanelPluginVariantGithubComSigNozSignozPkgTypesDashboardtypesTablePanelSpec"),
-		string(PanelKindHistogram):   schemaRef("DashboardtypesPanelPluginVariantGithubComSigNozSignozPkgTypesDashboardtypesHistogramPanelSpec"),
-		string(PanelKindList):        schemaRef("DashboardtypesPanelPluginVariantGithubComSigNozSignozPkgTypesDashboardtypesListPanelSpec"),
-		string(PanelKindText):        schemaRef("DashboardtypesPanelPluginVariantGithubComSigNozSignozPkgTypesDashboardtypesTextPanelSpec"),
-		string(PanelKindHeatmap):     schemaRef("DashboardtypesPanelPluginVariantGithubComSigNozSignozPkgTypesDashboardtypesHeatmapPanelSpec"),
-		string(PanelKindScatterPlot): schemaRef("DashboardtypesPanelPluginVariantGithubComSigNozSignozPkgTypesDashboardtypesScatterPlotPanelSpec"),
+		string(PanelKindTimeSeries): schemaRef("DashboardtypesPanelPluginVariantGithubComSigNozSignozPkgTypesDashboardtypesTimeSeriesPanelSpec"),
+		string(PanelKindBarChart):   schemaRef("DashboardtypesPanelPluginVariantGithubComSigNozSignozPkgTypesDashboardtypesBarChartPanelSpec"),
+		string(PanelKindAreaChart):  schemaRef("DashboardtypesPanelPluginVariantGithubComSigNozSignozPkgTypesDashboardtypesAreaChartPanelSpec"),
+		string(PanelKindNumber):     schemaRef("DashboardtypesPanelPluginVariantGithubComSigNozSignozPkgTypesDashboardtypesNumberPanelSpec"),
+		string(PanelKindPieChart):   schemaRef("DashboardtypesPanelPluginVariantGithubComSigNozSignozPkgTypesDashboardtypesPieChartPanelSpec"),
+		string(PanelKindTable):      schemaRef("DashboardtypesPanelPluginVariantGithubComSigNozSignozPkgTypesDashboardtypesTablePanelSpec"),
+		string(PanelKindHistogram):  schemaRef("DashboardtypesPanelPluginVariantGithubComSigNozSignozPkgTypesDashboardtypesHistogramPanelSpec"),
+		string(PanelKindList):       schemaRef("DashboardtypesPanelPluginVariantGithubComSigNozSignozPkgTypesDashboardtypesListPanelSpec"),
+		string(PanelKindText):       schemaRef("DashboardtypesPanelPluginVariantGithubComSigNozSignozPkgTypesDashboardtypesTextPanelSpec"),
+		string(PanelKindHeatmap):    schemaRef("DashboardtypesPanelPluginVariantGithubComSigNozSignozPkgTypesDashboardtypesHeatmapPanelSpec"),
 	})
 }
 
@@ -72,7 +71,6 @@ func (PanelPlugin) JSONSchemaOneOf() []any {
 		PanelPluginVariant[ListPanelSpec]{Kind: string(PanelKindList)},
 		PanelPluginVariant[TextPanelSpec]{Kind: string(PanelKindText)},
 		PanelPluginVariant[HeatmapPanelSpec]{Kind: string(PanelKindHeatmap)},
-		PanelPluginVariant[ScatterPlotPanelSpec]{Kind: string(PanelKindScatterPlot)},
 	}
 }
 
@@ -236,17 +234,16 @@ func (v VariablePluginVariant[S]) PrepareJSONSchema(s *jsonschema.Schema) error
 
 var (
 	panelPluginSpecs = map[PanelPluginKind]func() any{
-		PanelKindTimeSeries:  func() any { return new(TimeSeriesPanelSpec) },
-		PanelKindBarChart:    func() any { return new(BarChartPanelSpec) },
-		PanelKindAreaChart:   func() any { return new(AreaChartPanelSpec) },
-		PanelKindNumber:      func() any { return new(NumberPanelSpec) },
-		PanelKindPieChart:    func() any { return new(PieChartPanelSpec) },
-		PanelKindTable:       func() any { return new(TablePanelSpec) },
-		PanelKindHistogram:   func() any { return new(HistogramPanelSpec) },
-		PanelKindList:        func() any { return new(ListPanelSpec) },
-		PanelKindText:        func() any { return new(TextPanelSpec) },
-		PanelKindHeatmap:     func() any { return new(HeatmapPanelSpec) },
-		PanelKindScatterPlot: func() any { return new(ScatterPlotPanelSpec) },
+		PanelKindTimeSeries: func() any { return new(TimeSeriesPanelSpec) },
+		PanelKindBarChart:   func() any { return new(BarChartPanelSpec) },
+		PanelKindAreaChart:  func() any { return new(AreaChartPanelSpec) },
+		PanelKindNumber:     func() any { return new(NumberPanelSpec) },
+		PanelKindPieChart:   func() any { return new(PieChartPanelSpec) },
+		PanelKindTable:      func() any { return new(TablePanelSpec) },
+		PanelKindHistogram:  func() any { return new(HistogramPanelSpec) },
+		PanelKindList:       func() any { return new(ListPanelSpec) },
+		PanelKindText:       func() any { return new(TextPanelSpec) },
+		PanelKindHeatmap:    func() any { return new(HeatmapPanelSpec) },
 	}
 	queryPluginSpecs = map[QueryPluginKind]func() any{
 		QueryKindBuilder:       func() any { return new(BuilderQuerySpec) },
@@ -263,17 +260,16 @@ var (
 		VariableKindCustom:  func() any { return new(CustomVariableSpec) },
 	}
 	allowedQueryKinds = map[PanelPluginKind][]QueryPluginKind{
-		PanelKindTimeSeries:  {QueryKindBuilder, QueryKindAIBuilder, QueryKindComposite, QueryKindFormula, QueryKindTraceOperator, QueryKindPromQL, QueryKindClickHouseSQL},
-		PanelKindBarChart:    {QueryKindBuilder, QueryKindAIBuilder, QueryKindComposite, QueryKindFormula, QueryKindTraceOperator, QueryKindPromQL, QueryKindClickHouseSQL},
-		PanelKindAreaChart:   {QueryKindBuilder, QueryKindAIBuilder, QueryKindComposite, QueryKindFormula, QueryKindTraceOperator, QueryKindPromQL, QueryKindClickHouseSQL},
-		PanelKindNumber:      {QueryKindBuilder, QueryKindAIBuilder, QueryKindComposite, QueryKindFormula, QueryKindTraceOperator, QueryKindPromQL, QueryKindClickHouseSQL},
-		PanelKindHistogram:   {QueryKindBuilder, QueryKindAIBuilder, QueryKindComposite, QueryKindFormula, QueryKindTraceOperator, QueryKindPromQL, QueryKindClickHouseSQL},
-		PanelKindPieChart:    {QueryKindBuilder, QueryKindAIBuilder, QueryKindComposite, QueryKindFormula, QueryKindTraceOperator, QueryKindClickHouseSQL},
-		PanelKindTable:       {QueryKindBuilder, QueryKindAIBuilder, QueryKindComposite, QueryKindFormula, QueryKindTraceOperator, QueryKindClickHouseSQL},
-		PanelKindList:        {QueryKindBuilder, QueryKindAIBuilder},
-		PanelKindText:        {},
-		PanelKindHeatmap:     {QueryKindBuilder, QueryKindComposite, QueryKindFormula, QueryKindPromQL, QueryKindClickHouseSQL},
-		PanelKindScatterPlot: {QueryKindBuilder, QueryKindComposite, QueryKindFormula, QueryKindClickHouseSQL},
+		PanelKindTimeSeries: {QueryKindBuilder, QueryKindAIBuilder, QueryKindComposite, QueryKindFormula, QueryKindTraceOperator, QueryKindPromQL, QueryKindClickHouseSQL},
+		PanelKindBarChart:   {QueryKindBuilder, QueryKindAIBuilder, QueryKindComposite, QueryKindFormula, QueryKindTraceOperator, QueryKindPromQL, QueryKindClickHouseSQL},
+		PanelKindAreaChart:  {QueryKindBuilder, QueryKindAIBuilder, QueryKindComposite, QueryKindFormula, QueryKindTraceOperator, QueryKindPromQL, QueryKindClickHouseSQL},
+		PanelKindNumber:     {QueryKindBuilder, QueryKindAIBuilder, QueryKindComposite, QueryKindFormula, QueryKindTraceOperator, QueryKindPromQL, QueryKindClickHouseSQL},
+		PanelKindHistogram:  {QueryKindBuilder, QueryKindAIBuilder, QueryKindComposite, QueryKindFormula, QueryKindTraceOperator, QueryKindPromQL, QueryKindClickHouseSQL},
+		PanelKindPieChart:   {QueryKindBuilder, QueryKindAIBuilder, QueryKindComposite, QueryKindFormula, QueryKindTraceOperator, QueryKindClickHouseSQL},
+		PanelKindTable:      {QueryKindBuilder, QueryKindAIBuilder, QueryKindComposite, QueryKindFormula, QueryKindTraceOperator, QueryKindClickHouseSQL},
+		PanelKindList:       {QueryKindBuilder, QueryKindAIBuilder},
+		PanelKindText:       {},
+		PanelKindHeatmap:    {QueryKindBuilder, QueryKindComposite, QueryKindFormula, QueryKindPromQL, QueryKindClickHouseSQL},
 	}
 )
 

pkg/types/dashboardtypes/perses_public_dashboard.go

@@ -221,7 +221,7 @@ func (d *DashboardV2) GetPanelQuery(startTime, endTime uint64, panelKey string)
 		CompositeQuery: composite,
 		FormatOptions: &qb.FormatOptions{
 			FillGaps:               fillGaps,
-			FormatTableResultForUI: panel.Spec.Plugin.Kind == PanelKindTable || panel.Spec.Plugin.Kind == PanelKindScatterPlot,
+			FormatTableResultForUI: panel.Spec.Plugin.Kind == PanelKindTable,
 		},
 	}, nil
 }

pkg/types/dashboardtypes/perses_public_dashboard_panel_query_test.go

@@ -251,38 +251,34 @@ func TestDashboardV2GetPanelQuery(t *testing.T) {
 		assert.Equal(t, telemetrytypes.SignalTraces, spec.Signal)
 	})
 
-	t.Run("sets FormatTableResultForUI for panels that join scalar rows", func(t *testing.T) {
-		for _, kind := range []PanelPluginKind{PanelKindTable, PanelKindScatterPlot} {
-			t.Run(string(kind), func(t *testing.T) {
-				dashboard := &DashboardV2{
-					Spec: DashboardSpec{
-						Panels: map[string]*Panel{
-							"panel-1": {
-								Spec: PanelSpec{
-									Plugin: PanelPlugin{Kind: kind},
-									Queries: []Query{
-										{
-											Kind: qb.RequestTypeScalar,
-											Spec: QuerySpec{
-												Plugin: QueryPlugin{
-													Kind: QueryKindBuilder,
-													Spec: &BuilderQuerySpec{Spec: qb.QueryBuilderQuery[qb.MetricAggregation]{Name: "A"}},
-												},
-											},
+	t.Run("sets FormatTableResultForUI only for table panels", func(t *testing.T) {
+		dashboard := &DashboardV2{
+			Spec: DashboardSpec{
+				Panels: map[string]*Panel{
+					"panel-1": {
+						Spec: PanelSpec{
+							Plugin: PanelPlugin{Kind: PanelKindTable},
+							Queries: []Query{
+								{
+									Kind: qb.RequestTypeScalar,
+									Spec: QuerySpec{
+										Plugin: QueryPlugin{
+											Kind: QueryKindBuilder,
+											Spec: &BuilderQuerySpec{Spec: qb.QueryBuilderQuery[qb.MetricAggregation]{Name: "A"}},
 										},
 									},
 								},
 							},
 						},
 					},
-				}
-
-				req, err := dashboard.GetPanelQuery(1, 2, "panel-1")
-				require.NoError(t, err)
-				require.NotNil(t, req.FormatOptions)
-				assert.True(t, req.FormatOptions.FormatTableResultForUI)
-			})
+				},
+			},
 		}
+
+		req, err := dashboard.GetPanelQuery(1, 2, "panel-1")
+		require.NoError(t, err)
+		require.NotNil(t, req.FormatOptions)
+		assert.True(t, req.FormatOptions.FormatTableResultForUI)
 	})
 
 	t.Run("sets FillGaps from the panel visualization", func(t *testing.T) {

pkg/types/dashboardtypes/perses_signoz_plugins.go

@@ -1,10 +1,7 @@
 package dashboardtypes
 
 import (
-	"bytes"
 	"encoding/json"
-	"maps"
-	"slices"
 	"strconv"
 
 	"github.com/SigNoz/signoz/pkg/errors"
@@ -189,21 +186,20 @@ func (AIBuilderQuerySpec) PrepareJSONSchema(s *jsonschema.Schema) error {
 type PanelPluginKind string
 
 const (
-	PanelKindTimeSeries  PanelPluginKind = "signoz/TimeSeriesPanel"
-	PanelKindBarChart    PanelPluginKind = "signoz/BarChartPanel"
-	PanelKindAreaChart   PanelPluginKind = "signoz/AreaChartPanel"
-	PanelKindNumber      PanelPluginKind = "signoz/NumberPanel"
-	PanelKindPieChart    PanelPluginKind = "signoz/PieChartPanel"
-	PanelKindTable       PanelPluginKind = "signoz/TablePanel"
-	PanelKindHistogram   PanelPluginKind = "signoz/HistogramPanel"
-	PanelKindList        PanelPluginKind = "signoz/ListPanel"
-	PanelKindText        PanelPluginKind = "signoz/TextPanel"
-	PanelKindHeatmap     PanelPluginKind = "signoz/HeatmapPanel"
-	PanelKindScatterPlot PanelPluginKind = "signoz/ScatterPlotPanel"
+	PanelKindTimeSeries PanelPluginKind = "signoz/TimeSeriesPanel"
+	PanelKindBarChart   PanelPluginKind = "signoz/BarChartPanel"
+	PanelKindAreaChart  PanelPluginKind = "signoz/AreaChartPanel"
+	PanelKindNumber     PanelPluginKind = "signoz/NumberPanel"
+	PanelKindPieChart   PanelPluginKind = "signoz/PieChartPanel"
+	PanelKindTable      PanelPluginKind = "signoz/TablePanel"
+	PanelKindHistogram  PanelPluginKind = "signoz/HistogramPanel"
+	PanelKindList       PanelPluginKind = "signoz/ListPanel"
+	PanelKindText       PanelPluginKind = "signoz/TextPanel"
+	PanelKindHeatmap    PanelPluginKind = "signoz/HeatmapPanel"
 )
 
 func (PanelPluginKind) Enum() []any {
-	return []any{PanelKindTimeSeries, PanelKindBarChart, PanelKindAreaChart, PanelKindNumber, PanelKindPieChart, PanelKindTable, PanelKindHistogram, PanelKindList, PanelKindText, PanelKindHeatmap, PanelKindScatterPlot}
+	return []any{PanelKindTimeSeries, PanelKindBarChart, PanelKindAreaChart, PanelKindNumber, PanelKindPieChart, PanelKindTable, PanelKindHistogram, PanelKindList, PanelKindText, PanelKindHeatmap}
 }
 
 func (k PanelPluginKind) rendersWithoutQuery() bool {
@@ -353,140 +349,6 @@ type TextPanelSpec struct {
 	HeaderOptions HeaderOptions    `json:"headerOptions" description:"Whether the panel header is shown."`
 }
 
-type ScatterPlotPanelSpec struct {
-	Visualization   BasicVisualization         `json:"visualization"`
-	Dimensions      ScatterPlotDimensions      `json:"dimensions"`
-	Formatting      TableFormatting            `json:"formatting"`
-	Axes            ScatterPlotAxes            `json:"axes"`
-	ChartAppearance ScatterPlotChartAppearance `json:"chartAppearance"`
-	Legend          Legend                     `json:"legend"`
-	Thresholds      []ScatterPlotThreshold     `json:"thresholds" validate:"dive"`
-}
-
-func (s *ScatterPlotPanelSpec) validateAgainstQuery(query Query, path string) error {
-	composite, err := query.Spec.Plugin.buildV5CompositeQueryFromPlugin()
-	if err != nil {
-		return errors.WrapInvalidInputf(err, ErrCodeDashboardInvalidInput, "%s.dimensions: %s", path, err.Error())
-	}
-	keys, known := composite.CollectResultColumnKeys()
-	if !known {
-		return nil
-	}
-	if err := s.validateQueriesShareGroupBy(composite, path); err != nil {
-		return err
-	}
-	if err := s.validateValueDimensions(keys, path); err != nil {
-		return err
-	}
-	if err := s.validateColorDimensions(keys, path); err != nil {
-		return err
-	}
-	return nil
-}
-
-// Order is ignored since rows join on sorted labels; disabled queries count, as formulas carry their keys.
-func (*ScatterPlotPanelSpec) validateQueriesShareGroupBy(composite qb.CompositeQuery, path string) error {
-	var queries []qb.QueryEnvelope
-	for _, envelope := range composite.Queries {
-		if envelope.GetType() != qb.QueryTypeFormula {
-			queries = append(queries, envelope)
-		}
-	}
-	for i := 1; i < len(queries); i++ {
-		first, other := groupByKeyNames(queries[0]), groupByKeyNames(queries[i])
-		if !slices.Equal(first, other) {
-			return errors.NewInvalidInputf(ErrCodeDashboardInvalidInput, "%s: queries must group by the same keys so their rows join into dots; %q groups by [%s], %q groups by [%s]", path, queries[0].GetQueryName(), allowedValuesForKind(first), queries[i].GetQueryName(), allowedValuesForKind(other))
-		}
-	}
-	return nil
-}
-
-func (s *ScatterPlotPanelSpec) validateValueDimensions(keys qb.ResultColumnKeys, path string) error {
-	for _, binding := range []struct{ field, key string }{{"x", s.Dimensions.X}, {"y", s.Dimensions.Y}, {"sizeBy", s.Dimensions.SizeBy}} {
-		// Empty is unset: the renderer picks a column or a fixed size.
-		if binding.key == "" {
-			continue
-		}
-		if _, ok := keys.Aggregations[binding.key]; !ok {
-			return errors.NewInvalidInputf(ErrCodeDashboardInvalidInput, "%s.dimensions.%s: %q is not a value column of the panel's query; value columns: %s", path, binding.field, binding.key, allowedValuesForKind(slices.Sorted(maps.Keys(keys.Aggregations))))
-		}
-	}
-	return nil
-}
-
-func (s *ScatterPlotPanelSpec) validateColorDimensions(keys qb.ResultColumnKeys, path string) error {
-	for _, label := range s.Dimensions.ColorBy {
-		if _, ok := keys.Groups[label]; !ok {
-			return errors.NewInvalidInputf(ErrCodeDashboardInvalidInput, "%s.dimensions.colorBy: %q is not a group-by key of the panel's query; group-by keys: %s", path, label, allowedValuesForKind(slices.Sorted(maps.Keys(keys.Groups))))
-		}
-	}
-	return nil
-}
-
-func groupByKeyNames(envelope qb.QueryEnvelope) []string {
-	names := make([]string, 0, len(envelope.GetGroupBy()))
-	for _, key := range envelope.GetGroupBy() {
-		names = append(names, key.Name)
-	}
-	slices.Sort(names)
-	return names
-}
-
-// ScatterPlotDimensions binds result columns to what a dot encodes. Value columns
-// use the Table column key, so formatting.columnUnits carries over between the
-// two kinds.
-type ScatterPlotDimensions struct {
-	X       string   `json:"x" description:"Value column key (queryName, or queryName.expression for a multi-aggregation query) plotted on the x axis. Empty uses the first value column."`
-	Y       string   `json:"y" description:"Value column key plotted on the y axis. Empty uses the second value column."`
-	SizeBy  string   `json:"sizeBy" description:"Value column key that scales dot size. Empty draws every dot at the default size."`
-	ColorBy []string `json:"colorBy" description:"Group-by label names (e.g. k8s.namespace.name) whose combined values colour dots and drive the legend. Empty colours by every group-by label."`
-}
-
-type ScatterPlotAxes struct {
-	X ScatterPlotAxis `json:"x"`
-	Y ScatterPlotAxis `json:"y"`
-}
-
-type ScatterPlotAxis struct {
-	SoftMin *float64  `json:"softMin"`
-	SoftMax *float64  `json:"softMax"`
-	Scale   AxisScale `json:"scale"`
-	Label   string    `json:"label" description:"Axis title. Empty draws none."`
-}
-
-type ScatterPlotChartAppearance struct {
-	Points ScatterPlotPoints `json:"points"`
-}
-
-// ScatterPlotPoints keeps the fixed size and the size range side by side so
-// binding or unbinding dimensions.sizeBy restores the other's last setting. Nil
-// fields resolve to the renderer default.
-type ScatterPlotPoints struct {
-	Size    *PointDiameter `json:"size" description:"Diameter of every dot when dimensions.sizeBy is unset."`
-	MinSize *PointDiameter `json:"minSize" description:"Diameter of the smallest dot when dimensions.sizeBy is set."`
-	MaxSize *PointDiameter `json:"maxSize" description:"Diameter of the largest dot when dimensions.sizeBy is set."`
-	Opacity *PointOpacity  `json:"opacity"`
-}
-
-func (p *ScatterPlotPoints) UnmarshalJSON(data []byte) error {
-	dec := json.NewDecoder(bytes.NewReader(data))
-	dec.DisallowUnknownFields()
-	type alias ScatterPlotPoints
-	var tmp alias
-	if err := dec.Decode(&tmp); err != nil {
-		return errors.WrapInvalidInputf(err, ErrCodeDashboardInvalidInput, "invalid points")
-	}
-	*p = ScatterPlotPoints(tmp)
-	return p.validate()
-}
-
-func (p ScatterPlotPoints) validate() error {
-	if p.MinSize != nil && p.MaxSize != nil && *p.MinSize > *p.MaxSize {
-		return errors.NewInvalidInputf(ErrCodeDashboardInvalidInput, "invalid points: minSize %d must not exceed maxSize %d", *p.MinSize, *p.MaxSize)
-	}
-	return nil
-}
-
 type TextPresentation struct {
 	TextAlign     TextAlign     `json:"textAlign" description:"Horizontal alignment: left (default), center or right."`
 	VerticalAlign VerticalAlign `json:"verticalAlign" description:"Vertical alignment: top (default), center or bottom."`
@@ -568,11 +430,6 @@ type ComparisonThreshold struct {
 	Format   ThresholdFormat    `json:"format" description:"What the color is applied to: text (default) or background."`
 }
 
-type ScatterPlotThreshold struct {
-	ThresholdWithLabel
-	Axis ThresholdAxis `json:"axis"`
-}
-
 type TableThreshold struct {
 	ComparisonThreshold
 	ColumnName string `json:"columnName" validate:"required" required:"true" description:"The key of the value column the rule applies to: the query name for a builder query with one aggregation (A), the query name dotted with the aggregation expression for several (A.count()), or the SQL alias for a ClickHouse SQL column. Group-by columns are never colored, and aggregation aliases are display labels, not keys."`
@@ -858,86 +715,6 @@ func (ls *LineStyle) UnmarshalJSON(data []byte) error {
 	}
 }
 
-// AxisScale `auto` leaves the choice to the renderer; `symlog` is log-like but
-// defined at and below zero.
-type AxisScale struct{ valuer.String }
-
-var (
-	AxisScaleAuto   = AxisScale{valuer.NewString("auto")} // default
-	AxisScaleLinear = AxisScale{valuer.NewString("linear")}
-	AxisScaleLog    = AxisScale{valuer.NewString("log")}
-	AxisScaleSymlog = AxisScale{valuer.NewString("symlog")}
-)
-
-func (AxisScale) Enum() []any {
-	return []any{AxisScaleAuto, AxisScaleLinear, AxisScaleLog, AxisScaleSymlog}
-}
-
-func (as AxisScale) ValueOrDefault() string {
-	if as.IsZero() {
-		return AxisScaleAuto.StringValue()
-	}
-	return as.StringValue()
-}
-
-func (as AxisScale) MarshalJSON() ([]byte, error) {
-	return json.Marshal(as.ValueOrDefault())
-}
-
-func (as *AxisScale) UnmarshalJSON(data []byte) error {
-	var v string
-	if err := json.Unmarshal(data, &v); err != nil {
-		return errors.WrapInvalidInputf(err, ErrCodeDashboardInvalidInput, "invalid axis scale: must be a string, one of `auto`, `linear`, `log`, or `symlog`")
-	}
-	val := AxisScale{valuer.NewString(v)}
-	switch val {
-	case AxisScaleAuto, AxisScaleLinear, AxisScaleLog, AxisScaleSymlog:
-		*as = val
-		return nil
-	default:
-		return errors.NewInvalidInputf(ErrCodeDashboardInvalidInput, "invalid axis scale %q: must be `auto`, `linear`, `log`, or `symlog`", v)
-	}
-}
-
-// ThresholdAxis is the axis a scatter plot threshold line marks: `y` draws it
-// horizontally, `x` vertically.
-type ThresholdAxis struct{ valuer.String }
-
-var (
-	ThresholdAxisX = ThresholdAxis{valuer.NewString("x")}
-	ThresholdAxisY = ThresholdAxis{valuer.NewString("y")} // default
-)
-
-func (ThresholdAxis) Enum() []any {
-	return []any{ThresholdAxisX, ThresholdAxisY}
-}
-
-func (ta ThresholdAxis) ValueOrDefault() string {
-	if ta.IsZero() {
-		return ThresholdAxisY.StringValue()
-	}
-	return ta.StringValue()
-}
-
-func (ta ThresholdAxis) MarshalJSON() ([]byte, error) {
-	return json.Marshal(ta.ValueOrDefault())
-}
-
-func (ta *ThresholdAxis) UnmarshalJSON(data []byte) error {
-	var v string
-	if err := json.Unmarshal(data, &v); err != nil {
-		return errors.WrapInvalidInputf(err, ErrCodeDashboardInvalidInput, "invalid threshold axis: must be a string, one of `x` or `y`")
-	}
-	val := ThresholdAxis{valuer.NewString(v)}
-	switch val {
-	case ThresholdAxisX, ThresholdAxisY:
-		*ta = val
-		return nil
-	default:
-		return errors.NewInvalidInputf(ErrCodeDashboardInvalidInput, "invalid threshold axis %q: must be `x` or `y`", v)
-	}
-}
-
 type FillMode struct{ valuer.String }
 
 var (
@@ -1076,53 +853,6 @@ func (o *FillOpacity) UnmarshalJSON(data []byte) error {
 	return nil
 }
 
-const (
-	minPointDiameter = 2
-	maxPointDiameter = 40
-)
-
-// PointDiameter is a scatter dot's diameter in whole CSS pixels.
-type PointDiameter int
-
-func (PointDiameter) PrepareJSONSchema(s *jsonschema.Schema) error {
-	s.WithMinimum(minPointDiameter).WithMaximum(maxPointDiameter)
-	return nil
-}
-
-func (d *PointDiameter) UnmarshalJSON(data []byte) error {
-	var v int
-	if err := json.Unmarshal(data, &v); err != nil {
-		return errors.WrapInvalidInputf(err, ErrCodeDashboardInvalidInput, "invalid point diameter: must be a whole number between %d and %d", minPointDiameter, maxPointDiameter)
-	}
-	if v < minPointDiameter || v > maxPointDiameter {
-		return errors.NewInvalidInputf(ErrCodeDashboardInvalidInput, "invalid point diameter %d: must be a whole number between %d and %d", v, minPointDiameter, maxPointDiameter)
-	}
-	*d = PointDiameter(v)
-	return nil
-}
-
-const minPointOpacity = 0.1
-
-// PointOpacity is a scatter dot's fill alpha. The floor keeps a dot visible.
-type PointOpacity float64
-
-func (PointOpacity) PrepareJSONSchema(s *jsonschema.Schema) error {
-	s.WithMinimum(minPointOpacity).WithMaximum(1)
-	return nil
-}
-
-func (o *PointOpacity) UnmarshalJSON(data []byte) error {
-	var v float64
-	if err := json.Unmarshal(data, &v); err != nil {
-		return errors.WrapInvalidInputf(err, ErrCodeDashboardInvalidInput, "invalid point opacity: must be a number between %v and 1", minPointOpacity)
-	}
-	if v < minPointOpacity || v > 1 {
-		return errors.NewInvalidInputf(ErrCodeDashboardInvalidInput, "invalid point opacity %v: must be between %v and 1", v, minPointOpacity)
-	}
-	*o = PointOpacity(v)
-	return nil
-}
-
 type SpanGaps struct {
 	FillOnlyBelow bool   `json:"fillOnlyBelow" description:"Controls whether lines connect across null values. When false (default), all gaps are connected. When true, only gaps smaller than fillLessThan are connected."`
 	FillLessThan  string `json:"fillLessThan" description:"The largest gap still connected when fillOnlyBelow is true; longer gaps are left disconnected. Required in that case, as a positive Prometheus duration such as 30s, 5m or 1d."`

pkg/types/dashboardtypes/testdata/perses_scatter_plot_panel.json

@@ -1,134 +0,0 @@
-{
-  "display": {
-    "name": "service health",
-    "description": "throughput against tail latency per pod"
-  },
-  "variables": [],
-  "panels": {
-    "p1": {
-      "kind": "Panel",
-      "spec": {
-        "display": {
-          "name": "throughput vs p99",
-          "description": ""
-        },
-        "plugin": {
-          "kind": "signoz/ScatterPlotPanel",
-          "spec": {
-            "visualization": {
-              "timePreference": "last_1_hr"
-            },
-            "dimensions": {
-              "x": "A.count()",
-              "y": "A.p99(duration_nano)",
-              "sizeBy": "A.countIf(has_error = true)",
-              "colorBy": ["k8s.namespace.name", "k8s.pod.name"]
-            },
-            "formatting": {
-              "columnUnits": {
-                "A.p99(duration_nano)": "ns"
-              },
-              "decimalPrecision": "1"
-            },
-            "axes": {
-              "x": {
-                "softMin": 0,
-                "softMax": null,
-                "scale": "log",
-                "label": "Throughput"
-              },
-              "y": {
-                "softMin": null,
-                "softMax": 1000,
-                "scale": "symlog",
-                "label": "p99 latency"
-              }
-            },
-            "chartAppearance": {
-              "points": {
-                "size": 8,
-                "minSize": 4,
-                "maxSize": 24,
-                "opacity": 0.1
-              }
-            },
-            "legend": {
-              "position": "right",
-              "mode": "list",
-              "customColors": {
-                "checkout": "#1f77b4"
-              }
-            },
-            "thresholds": [
-              {
-                "value": 300,
-                "unit": "ms",
-                "color": "#f00",
-                "label": "p99 SLO",
-                "axis": "y"
-              },
-              {
-                "value": 50,
-                "color": "#0f0",
-                "axis": "x"
-              }
-            ]
-          }
-        },
-        "links": [],
-        "queries": [
-          {
-            "kind": "scalar",
-            "spec": {
-              "plugin": {
-                "kind": "signoz/BuilderQuery",
-                "spec": {
-                  "name": "A",
-                  "signal": "traces",
-                  "aggregations": [
-                    {
-                      "expression": "count()"
-                    },
-                    {
-                      "expression": "p99(duration_nano)"
-                    },
-                    {
-                      "expression": "countIf(has_error = true)"
-                    }
-                  ],
-                  "groupBy": [
-                    {
-                      "name": "k8s.namespace.name"
-                    },
-                    {
-                      "name": "k8s.pod.name"
-                    }
-                  ]
-                }
-              }
-            }
-          }
-        ]
-      }
-    }
-  },
-  "links": [],
-  "layouts": [
-    {
-      "kind": "Grid",
-      "spec": {
-        "items": [
-          {
-            "x": 0,
-            "y": 0,
-            "width": 12,
-            "height": 8,
-            "content": {
-              "$ref": "#/spec/panels/p1"
-            }
-          }
-        ]
-      }
-    }
-  ]
-}

pkg/types/querybuildertypes/querybuildertypesv5/req.go

@@ -263,48 +263,6 @@ type CompositeQuery struct {
 	Queries []QueryEnvelope `json:"queries" description:"The queries to run, each wrapped in a type-discriminated envelope. Names must be unique; formulas and trace operators reference other queries by name."`
 }
 
-// ResultColumnKeys is what a scalar query yields per row, keyed the way the
-// UI keys columns: an aggregation column is the query name, or
-// queryName.expression when the query has several aggregations; a group
-// column is a group-by key name.
-type ResultColumnKeys struct {
-	Aggregations map[string]struct{}
-	Groups       map[string]struct{}
-}
-
-// CollectResultColumnKeys reports false when a query's columns are only known
-// at run time, as for ClickHouse SQL and PromQL. A disabled query yields no
-// aggregation column but keeps its group columns, since a formula over it
-// still carries them.
-func (c *CompositeQuery) CollectResultColumnKeys() (ResultColumnKeys, bool) {
-	keys := ResultColumnKeys{Aggregations: map[string]struct{}{}, Groups: map[string]struct{}{}}
-	for _, envelope := range c.Queries {
-		if envelope.GetType() == QueryTypeClickHouseSQL || envelope.GetType() == QueryTypePromQL {
-			return ResultColumnKeys{}, false
-		}
-		for _, key := range envelope.GetGroupBy() {
-			keys.Groups[key.Name] = struct{}{}
-		}
-		if envelope.IsDisabled() {
-			continue
-		}
-		expressions := envelope.GetAggregationExpressions()
-		if len(expressions) <= 1 {
-			keys.Aggregations[envelope.GetQueryName()] = struct{}{}
-			continue
-		}
-		for _, expression := range expressions {
-			// Metric aggregations have no expression and are keyed by the query name alone.
-			if expression == "" {
-				keys.Aggregations[envelope.GetQueryName()] = struct{}{}
-				continue
-			}
-			keys.Aggregations[envelope.GetQueryName()+"."+expression] = struct{}{}
-		}
-	}
-	return keys, true
-}
-
 // PrepareJSONSchema adds description to the CompositeQuery schema.
 func (c *CompositeQuery) PrepareJSONSchema(schema *jsonschema.Schema) error {
 	schema.WithDescription("Composite query containing one or more query envelopes. Each query envelope specifies its type and corresponding spec.")

pkg/types/querybuildertypes/querybuildertypesv5/req_getters.go

@@ -225,34 +225,6 @@ func (q *QueryEnvelope) GetGroupBy() []GroupByKey {
 	return nil
 }
 
-// GetAggregationExpressions returns one entry per aggregation. A metric
-// aggregation has no expression, so it contributes an empty entry.
-func (q *QueryEnvelope) GetAggregationExpressions() []string {
-	switch spec := q.Spec.(type) {
-	case QueryBuilderTraceOperator:
-		expressions := make([]string, len(spec.Aggregations))
-		for i, aggregation := range spec.Aggregations {
-			expressions[i] = aggregation.Expression
-		}
-		return expressions
-	case QueryBuilderQuery[TraceAggregation]:
-		expressions := make([]string, len(spec.Aggregations))
-		for i, aggregation := range spec.Aggregations {
-			expressions[i] = aggregation.Expression
-		}
-		return expressions
-	case QueryBuilderQuery[LogAggregation]:
-		expressions := make([]string, len(spec.Aggregations))
-		for i, aggregation := range spec.Aggregations {
-			expressions[i] = aggregation.Expression
-		}
-		return expressions
-	case QueryBuilderQuery[MetricAggregation]:
-		return make([]string, len(spec.Aggregations))
-	}
-	return nil
-}
-
 // GetFilter returns the filter.
 func (q *QueryEnvelope) GetFilter() *Filter {
 	switch spec := q.Spec.(type) {

pkg/types/querybuildertypes/querybuildertypesv5/req_test.go

@@ -1903,72 +1903,3 @@ func TestQueryRangeRequest_StepIntervalForQuery(t *testing.T) {
 		})
 	}
 }
-
-func TestCompositeQueryCollectResultColumnKeys(t *testing.T) {
-	testCases := []struct {
-		scenario      string
-		composite     CompositeQuery
-		expectedKeys  ResultColumnKeys
-		expectedKnown bool
-	}{
-		{
-			scenario: "a single aggregation is keyed by the query name",
-			composite: CompositeQuery{Queries: []QueryEnvelope{{Type: QueryTypeBuilder, Spec: QueryBuilderQuery[TraceAggregation]{
-				Name:         "A",
-				Aggregations: []TraceAggregation{{Expression: "count()"}},
-				GroupBy:      []GroupByKey{{TelemetryFieldKey: telemetrytypes.TelemetryFieldKey{Name: "service.name"}}},
-			}}}},
-			expectedKeys:  ResultColumnKeys{Aggregations: map[string]struct{}{"A": {}}, Groups: map[string]struct{}{"service.name": {}}},
-			expectedKnown: true,
-		},
-		{
-			scenario: "several aggregations are keyed by query name and expression",
-			composite: CompositeQuery{Queries: []QueryEnvelope{{Type: QueryTypeBuilder, Spec: QueryBuilderQuery[LogAggregation]{
-				Name:         "A",
-				Aggregations: []LogAggregation{{Expression: "count()"}, {Expression: "p99(duration_nano)"}},
-			}}}},
-			expectedKeys:  ResultColumnKeys{Aggregations: map[string]struct{}{"A.count()": {}, "A.p99(duration_nano)": {}}, Groups: map[string]struct{}{}},
-			expectedKnown: true,
-		},
-		{
-			scenario: "several metric aggregations are keyed by the query name",
-			composite: CompositeQuery{Queries: []QueryEnvelope{{Type: QueryTypeBuilder, Spec: QueryBuilderQuery[MetricAggregation]{
-				Name:         "A",
-				Aggregations: []MetricAggregation{{MetricName: "http.server.request.count"}, {MetricName: "http.server.request.duration"}},
-			}}}},
-			expectedKeys:  ResultColumnKeys{Aggregations: map[string]struct{}{"A": {}}, Groups: map[string]struct{}{}},
-			expectedKnown: true,
-		},
-		{
-			scenario: "a disabled query yields no aggregation but keeps its groups for the formula over it",
-			composite: CompositeQuery{Queries: []QueryEnvelope{
-				{Type: QueryTypeBuilder, Spec: QueryBuilderQuery[MetricAggregation]{
-					Name:         "A",
-					Disabled:     true,
-					Aggregations: []MetricAggregation{{MetricName: "http.server.request.count"}},
-					GroupBy:      []GroupByKey{{TelemetryFieldKey: telemetrytypes.TelemetryFieldKey{Name: "service.name"}}},
-				}},
-				{Type: QueryTypeFormula, Spec: QueryBuilderFormula{Name: "F1", Expression: "A * 2"}},
-			}},
-			expectedKeys:  ResultColumnKeys{Aggregations: map[string]struct{}{"F1": {}}, Groups: map[string]struct{}{"service.name": {}}},
-			expectedKnown: true,
-		},
-		{
-			scenario: "clickhouse columns are only known at run time",
-			composite: CompositeQuery{Queries: []QueryEnvelope{{Type: QueryTypeClickHouseSQL, Spec: ClickHouseQuery{
-				Name:  "A",
-				Query: "SELECT 1",
-			}}}},
-			expectedKeys:  ResultColumnKeys{},
-			expectedKnown: false,
-		},
-	}
-
-	for _, testCase := range testCases {
-		t.Run(testCase.scenario, func(t *testing.T) {
-			keys, known := testCase.composite.CollectResultColumnKeys()
-			assert.Equal(t, testCase.expectedKnown, known)
-			assert.Equal(t, testCase.expectedKeys, keys)
-		})
-	}
-}