chore: added data and data rate unit test in unit conversion test

* feat: added option to copy legend text

* chore: added test for legend copy action

* chore: updated legend styles

* chore: added check icon when legend copied

* chore: added copytoclipboard hook

* chore: removed copytoclipboard options

frontend/__mocks__/uplotMock.ts

@@ -12,6 +12,8 @@ export interface MockUPlotInstance {
 export interface MockUPlotPaths {
 	spline: jest.Mock;
 	bars: jest.Mock;
+	linear: jest.Mock;
+	stepped: jest.Mock;
 }
 
 // Create mock instance methods
@@ -23,10 +25,23 @@ const createMockUPlotInstance = (): MockUPlotInstance => ({
 	setSeries: jest.fn(),
 });
 
-// Create mock paths
-const mockPaths: MockUPlotPaths = {
-	spline: jest.fn(),
-	bars: jest.fn(),
+// Path builder: (self, seriesIdx, idx0, idx1) => paths or null
+const createMockPathBuilder = (name: string): jest.Mock =>
+	jest.fn(() => ({
+		name, // To test if the correct pathBuilder is used
+		stroke: jest.fn(),
+		fill: jest.fn(),
+		clip: jest.fn(),
+	}));
+
+// Create mock paths - linear, spline, stepped needed by UPlotSeriesBuilder.getPathBuilder
+const mockPaths = {
+	spline: jest.fn(() => createMockPathBuilder('spline')),
+	bars: jest.fn(() => createMockPathBuilder('bars')),
+	linear: jest.fn(() => createMockPathBuilder('linear')),
+	stepped: jest.fn((opts?: { align?: number }) =>
+		createMockPathBuilder(`stepped-(${opts?.align ?? 0})`),
+	),
 };
 
 // Mock static methods

frontend/src/api/dashboard/variables/dashboardVariablesQuery.ts

@@ -11,6 +11,7 @@ import {
 
 const dashboardVariablesQuery = async (
 	props: Props,
+	signal?: AbortSignal,
 ): Promise<SuccessResponse<VariableResponseProps> | ErrorResponse> => {
 	try {
 		const { globalTime } = store.getState();
@@ -32,7 +33,7 @@ const dashboardVariablesQuery = async (
 
 		payload.variables = { ...payload.variables, ...timeVariables };
 
-		const response = await axios.post(`/variables/query`, payload);
+		const response = await axios.post(`/variables/query`, payload, { signal });
 
 		return {
 			statusCode: 200,

frontend/src/api/dynamicVariables/getFieldValues.ts

@@ -19,6 +19,7 @@ export const getFieldValues = async (
 	startUnixMilli?: number,
 	endUnixMilli?: number,
 	existingQuery?: string,
+	abortSignal?: AbortSignal,
 ): Promise<SuccessResponseV2<FieldValueResponse>> => {
 	const params: Record<string, string> = {};
 
@@ -47,7 +48,10 @@ export const getFieldValues = async (
 	}
 
 	try {
-		const response = await axios.get('/fields/values', { params });
+		const response = await axios.get('/fields/values', {
+			params,
+			signal: abortSignal,
+		});
 
 		// Normalize values from different types (stringValues, boolValues, etc.)
 		if (response.data?.data?.values) {

frontend/src/components/NewSelect/CustomMultiSelect.tsx

@@ -73,6 +73,7 @@ const CustomMultiSelect: React.FC<CustomMultiSelectProps> = ({
 	enableRegexOption = false,
 	isDynamicVariable = false,
 	showRetryButton = true,
+	waitingMessage,
 	...rest
 }) => {
 	// ===== State & Refs =====
@@ -1681,6 +1682,7 @@ const CustomMultiSelect: React.FC<CustomMultiSelectProps> = ({
 					{!loading &&
 						!errorMessage &&
 						!noDataMessage &&
+						!waitingMessage &&
 						!(showIncompleteDataMessage && isScrolledToBottom) && (
 							<section className="navigate">
 								<ArrowDown size={8} className="icons" />
@@ -1698,7 +1700,17 @@ const CustomMultiSelect: React.FC<CustomMultiSelectProps> = ({
 							<div className="navigation-text">Refreshing values...</div>
 						</div>
 					)}
-					{errorMessage && !loading && (
+					{!loading && waitingMessage && (
+						<div className="navigation-loading">
+							<div className="navigation-icons">
+								<LoadingOutlined />
+							</div>
+							<div className="navigation-text" title={waitingMessage}>
+								{waitingMessage}
+							</div>
+						</div>
+					)}
+					{errorMessage && !loading && !waitingMessage && (
 						<div className="navigation-error">
 							<div className="navigation-text">
 								{errorMessage || SOMETHING_WENT_WRONG}
@@ -1720,6 +1732,7 @@ const CustomMultiSelect: React.FC<CustomMultiSelectProps> = ({
 					{showIncompleteDataMessage &&
 						isScrolledToBottom &&
 						!loading &&
+						!waitingMessage &&
 						!errorMessage && (
 							<div className="navigation-text-incomplete">
 								Don&apos;t see the value? Use search
@@ -1762,6 +1775,7 @@ const CustomMultiSelect: React.FC<CustomMultiSelectProps> = ({
 		isDarkMode,
 		isDynamicVariable,
 		showRetryButton,
+		waitingMessage,
 	]);
 
 	// Custom handler for dropdown visibility changes

frontend/src/components/NewSelect/CustomSelect.tsx

@@ -63,6 +63,7 @@ const CustomSelect: React.FC<CustomSelectProps> = ({
 	showIncompleteDataMessage = false,
 	showRetryButton = true,
 	isDynamicVariable = false,
+	waitingMessage,
 	...rest
 }) => {
 	// ===== State & Refs =====
@@ -568,6 +569,7 @@ const CustomSelect: React.FC<CustomSelectProps> = ({
 					{!loading &&
 						!errorMessage &&
 						!noDataMessage &&
+						!waitingMessage &&
 						!(showIncompleteDataMessage && isScrolledToBottom) && (
 							<section className="navigate">
 								<ArrowDown size={8} className="icons" />
@@ -583,6 +585,16 @@ const CustomSelect: React.FC<CustomSelectProps> = ({
 							<div className="navigation-text">Refreshing values...</div>
 						</div>
 					)}
+					{!loading && waitingMessage && (
+						<div className="navigation-loading">
+							<div className="navigation-icons">
+								<LoadingOutlined />
+							</div>
+							<div className="navigation-text" title={waitingMessage}>
+								{waitingMessage}
+							</div>
+						</div>
+					)}
 					{errorMessage && !loading && (
 						<div className="navigation-error">
 							<div className="navigation-text">
@@ -605,6 +617,7 @@ const CustomSelect: React.FC<CustomSelectProps> = ({
 					{showIncompleteDataMessage &&
 						isScrolledToBottom &&
 						!loading &&
+						!waitingMessage &&
 						!errorMessage && (
 							<div className="navigation-text-incomplete">
 								Don&apos;t see the value? Use search
@@ -641,6 +654,7 @@ const CustomSelect: React.FC<CustomSelectProps> = ({
 		showRetryButton,
 		isDarkMode,
 		isDynamicVariable,
+		waitingMessage,
 	]);
 
 	// Handle dropdown visibility changes

frontend/src/components/NewSelect/types.ts

@@ -30,6 +30,7 @@ export interface CustomSelectProps extends Omit<SelectProps, 'options'> {
 	showIncompleteDataMessage?: boolean;
 	showRetryButton?: boolean;
 	isDynamicVariable?: boolean;
+	waitingMessage?: string;
 }
 
 export interface CustomTagProps {
@@ -66,4 +67,5 @@ export interface CustomMultiSelectProps
 	enableRegexOption?: boolean;
 	isDynamicVariable?: boolean;
 	showRetryButton?: boolean;
+	waitingMessage?: string;
 }

frontend/src/container/DashboardContainer/visualization/panels/TimeSeriesPanel/utils.ts

@@ -83,7 +83,7 @@ export const prepareUPlotConfig = ({
 			drawStyle: DrawStyle.Line,
 			label: label,
 			colorMapping: widget.customLegendColors ?? {},
-			spanGaps: false,
+			spanGaps: true,
 			lineStyle: LineStyle.Solid,
 			lineInterpolation: LineInterpolation.Spline,
 			showPoints: VisibilityMode.Never,

frontend/src/container/DashboardContainer/visualization/panels/types.ts

@@ -14,6 +14,11 @@ export interface GraphVisibilityState {
 	dataIndex: SeriesVisibilityItem[];
 }
 
+export interface SeriesVisibilityState {
+	labels: string[];
+	visibility: boolean[];
+}
+
 /**
  * Context in which a panel is rendered. Used to vary behavior (e.g. persistence,
  * interactions) per context.

frontend/src/container/DashboardContainer/visualization/panels/utils/__tests__/legendVisibilityUtils.test.ts

@@ -0,0 +1,271 @@
+import { LOCALSTORAGE } from 'constants/localStorage';
+
+import type { GraphVisibilityState } from '../../types';
+import {
+	getStoredSeriesVisibility,
+	updateSeriesVisibilityToLocalStorage,
+} from '../legendVisibilityUtils';
+
+describe('legendVisibilityUtils', () => {
+	const storageKey = LOCALSTORAGE.GRAPH_VISIBILITY_STATES;
+
+	beforeEach(() => {
+		localStorage.clear();
+		jest.spyOn(window.localStorage.__proto__, 'getItem');
+		jest.spyOn(window.localStorage.__proto__, 'setItem');
+	});
+
+	afterEach(() => {
+		jest.restoreAllMocks();
+	});
+
+	describe('getStoredSeriesVisibility', () => {
+		it('returns null when there is no stored visibility state', () => {
+			const result = getStoredSeriesVisibility('widget-1');
+
+			expect(result).toBeNull();
+			expect(localStorage.getItem).toHaveBeenCalledWith(storageKey);
+		});
+
+		it('returns null when widget has no stored dataIndex', () => {
+			const stored: GraphVisibilityState[] = [
+				{
+					name: 'widget-1',
+					dataIndex: [],
+				},
+			];
+
+			localStorage.setItem(storageKey, JSON.stringify(stored));
+
+			const result = getStoredSeriesVisibility('widget-1');
+
+			expect(result).toBeNull();
+		});
+
+		it('returns visibility array by index when widget state exists', () => {
+			const stored: GraphVisibilityState[] = [
+				{
+					name: 'widget-1',
+					dataIndex: [
+						{ label: 'CPU', show: true },
+						{ label: 'Memory', show: false },
+					],
+				},
+				{
+					name: 'widget-2',
+					dataIndex: [{ label: 'Errors', show: true }],
+				},
+			];
+
+			localStorage.setItem(storageKey, JSON.stringify(stored));
+
+			const result = getStoredSeriesVisibility('widget-1');
+
+			expect(result).not.toBeNull();
+			expect(result).toEqual({
+				labels: ['CPU', 'Memory'],
+				visibility: [true, false],
+			});
+		});
+
+		it('returns visibility by index including duplicate labels', () => {
+			const stored: GraphVisibilityState[] = [
+				{
+					name: 'widget-1',
+					dataIndex: [
+						{ label: 'CPU', show: true },
+						{ label: 'CPU', show: false },
+						{ label: 'Memory', show: false },
+					],
+				},
+			];
+
+			localStorage.setItem(storageKey, JSON.stringify(stored));
+
+			const result = getStoredSeriesVisibility('widget-1');
+
+			expect(result).not.toBeNull();
+			expect(result).toEqual({
+				labels: ['CPU', 'CPU', 'Memory'],
+				visibility: [true, false, false],
+			});
+		});
+
+		it('returns null on malformed JSON in localStorage', () => {
+			localStorage.setItem(storageKey, '{invalid-json');
+
+			const result = getStoredSeriesVisibility('widget-1');
+
+			expect(result).toBeNull();
+		});
+
+		it('returns null when widget id is not found', () => {
+			const stored: GraphVisibilityState[] = [
+				{
+					name: 'another-widget',
+					dataIndex: [{ label: 'CPU', show: true }],
+				},
+			];
+
+			localStorage.setItem(storageKey, JSON.stringify(stored));
+
+			const result = getStoredSeriesVisibility('widget-1');
+
+			expect(result).toBeNull();
+		});
+	});
+
+	describe('updateSeriesVisibilityToLocalStorage', () => {
+		it('creates new visibility state when none exists', () => {
+			const seriesVisibility = [
+				{ label: 'CPU', show: true },
+				{ label: 'Memory', show: false },
+			];
+
+			updateSeriesVisibilityToLocalStorage('widget-1', seriesVisibility);
+
+			const stored = getStoredSeriesVisibility('widget-1');
+
+			expect(stored).not.toBeNull();
+			expect(stored).toEqual({
+				labels: ['CPU', 'Memory'],
+				visibility: [true, false],
+			});
+		});
+
+		it('adds a new widget entry when other widgets already exist', () => {
+			const existing: GraphVisibilityState[] = [
+				{
+					name: 'widget-existing',
+					dataIndex: [{ label: 'Errors', show: true }],
+				},
+			];
+			localStorage.setItem(storageKey, JSON.stringify(existing));
+
+			const newVisibility = [{ label: 'CPU', show: false }];
+
+			updateSeriesVisibilityToLocalStorage('widget-new', newVisibility);
+
+			const stored = getStoredSeriesVisibility('widget-new');
+
+			expect(stored).not.toBeNull();
+			expect(stored).toEqual({ labels: ['CPU'], visibility: [false] });
+		});
+
+		it('updates existing widget visibility when entry already exists', () => {
+			const initialVisibility: GraphVisibilityState[] = [
+				{
+					name: 'widget-1',
+					dataIndex: [
+						{ label: 'CPU', show: true },
+						{ label: 'Memory', show: true },
+					],
+				},
+			];
+
+			localStorage.setItem(storageKey, JSON.stringify(initialVisibility));
+
+			const updatedVisibility = [
+				{ label: 'CPU', show: false },
+				{ label: 'Memory', show: true },
+			];
+
+			updateSeriesVisibilityToLocalStorage('widget-1', updatedVisibility);
+
+			const stored = getStoredSeriesVisibility('widget-1');
+
+			expect(stored).not.toBeNull();
+			expect(stored).toEqual({
+				labels: ['CPU', 'Memory'],
+				visibility: [false, true],
+			});
+		});
+
+		it('silently handles malformed existing JSON without throwing', () => {
+			localStorage.setItem(storageKey, '{invalid-json');
+
+			expect(() =>
+				updateSeriesVisibilityToLocalStorage('widget-1', [
+					{ label: 'CPU', show: true },
+				]),
+			).not.toThrow();
+		});
+
+		it('when existing JSON is malformed, overwrites with valid data for the widget', () => {
+			localStorage.setItem(storageKey, '{invalid-json');
+
+			updateSeriesVisibilityToLocalStorage('widget-1', [
+				{ label: 'x-axis', show: true },
+				{ label: 'CPU', show: false },
+			]);
+
+			const stored = getStoredSeriesVisibility('widget-1');
+			expect(stored).not.toBeNull();
+			expect(stored).toEqual({
+				labels: ['x-axis', 'CPU'],
+				visibility: [true, false],
+			});
+			const expected = [
+				{
+					name: 'widget-1',
+					dataIndex: [
+						{ label: 'x-axis', show: true },
+						{ label: 'CPU', show: false },
+					],
+				},
+			];
+			expect(localStorage.setItem).toHaveBeenCalledWith(
+				storageKey,
+				JSON.stringify(expected),
+			);
+		});
+
+		it('preserves other widgets when updating one widget', () => {
+			const existing: GraphVisibilityState[] = [
+				{ name: 'widget-a', dataIndex: [{ label: 'A', show: true }] },
+				{ name: 'widget-b', dataIndex: [{ label: 'B', show: false }] },
+			];
+			localStorage.setItem(storageKey, JSON.stringify(existing));
+
+			updateSeriesVisibilityToLocalStorage('widget-b', [
+				{ label: 'B', show: true },
+			]);
+
+			expect(getStoredSeriesVisibility('widget-a')).toEqual({
+				labels: ['A'],
+				visibility: [true],
+			});
+			expect(getStoredSeriesVisibility('widget-b')).toEqual({
+				labels: ['B'],
+				visibility: [true],
+			});
+		});
+
+		it('calls setItem with storage key and stringified visibility states', () => {
+			updateSeriesVisibilityToLocalStorage('widget-1', [
+				{ label: 'CPU', show: true },
+			]);
+
+			expect(localStorage.setItem).toHaveBeenCalledTimes(1);
+			expect(localStorage.setItem).toHaveBeenCalledWith(
+				storageKey,
+				expect.any(String),
+			);
+			const [_, value] = (localStorage.setItem as jest.Mock).mock.calls[0];
+			expect((): void => JSON.parse(value)).not.toThrow();
+			expect(JSON.parse(value)).toEqual([
+				{ name: 'widget-1', dataIndex: [{ label: 'CPU', show: true }] },
+			]);
+		});
+
+		it('stores empty dataIndex when seriesVisibility is empty', () => {
+			updateSeriesVisibilityToLocalStorage('widget-1', []);
+
+			const raw = localStorage.getItem(storageKey);
+			expect(raw).not.toBeNull();
+			const parsed = JSON.parse(raw ?? '[]');
+			expect(parsed).toEqual([{ name: 'widget-1', dataIndex: [] }]);
+			expect(getStoredSeriesVisibility('widget-1')).toBeNull();
+		});
+	});
+});

frontend/src/container/DashboardContainer/visualization/panels/utils/baseConfigBuilder.ts

@@ -88,7 +88,7 @@ export function buildBaseConfig({
 		max: undefined,
 		softMin: widget.softMin ?? undefined,
 		softMax: widget.softMax ?? undefined,
-		// thresholds,
+		thresholds: thresholdOptions,
 		logBase: widget.isLogScale ? 10 : undefined,
 		distribution: widget.isLogScale
 			? DistributionType.Logarithmic

frontend/src/container/DashboardContainer/visualization/panels/utils/legendVisibilityUtils.ts

@@ -1,15 +1,20 @@
 import { LOCALSTORAGE } from 'constants/localStorage';
 
-import { GraphVisibilityState, SeriesVisibilityItem } from '../types';
+import {
+	GraphVisibilityState,
+	SeriesVisibilityItem,
+	SeriesVisibilityState,
+} from '../types';
 
 /**
- * Retrieves the visibility map for a specific widget from localStorage
+ * Retrieves the stored series visibility for a specific widget from localStorage by index.
+ * Index 0 is the x-axis (time); indices 1, 2, ... are data series (same order as uPlot plot.series).
  * @param widgetId - The unique identifier of the widget
- * @returns A Map of series labels to their visibility state, or null if not found
+ * @returns visibility[i] = show state for series at index i, or null if not found
  */
 export function getStoredSeriesVisibility(
 	widgetId: string,
-): Map<string, boolean> | null {
+): SeriesVisibilityState | null {
 	try {
 		const storedData = localStorage.getItem(LOCALSTORAGE.GRAPH_VISIBILITY_STATES);
 
@@ -24,8 +29,15 @@ export function getStoredSeriesVisibility(
 			return null;
 		}
 
-		return new Map(widgetState.dataIndex.map((item) => [item.label, item.show]));
-	} catch {
+		return {
+			labels: widgetState.dataIndex.map((item) => item.label),
+			visibility: widgetState.dataIndex.map((item) => item.show),
+		};
+	} catch (error) {
+		if (error instanceof SyntaxError) {
+			// If the stored data is malformed, remove it
+			localStorage.removeItem(LOCALSTORAGE.GRAPH_VISIBILITY_STATES);
+		}
 		// Silently handle parsing errors - fall back to default visibility
 		return null;
 	}
@@ -35,40 +47,31 @@ export function updateSeriesVisibilityToLocalStorage(
 	widgetId: string,
 	seriesVisibility: SeriesVisibilityItem[],
 ): void {
+	let visibilityStates: GraphVisibilityState[] = [];
 	try {
 		const storedData = localStorage.getItem(LOCALSTORAGE.GRAPH_VISIBILITY_STATES);
-
-		let visibilityStates: GraphVisibilityState[];
-
-		if (!storedData) {
-			visibilityStates = [
-				{
-					name: widgetId,
-					dataIndex: seriesVisibility,
-				},
-			];
-		} else {
-			visibilityStates = JSON.parse(storedData);
+		visibilityStates = JSON.parse(storedData || '[]');
+	} catch (error) {
+		if (error instanceof SyntaxError) {
+			visibilityStates = [];
 		}
-		const widgetState = visibilityStates.find((state) => state.name === widgetId);
-
-		if (!widgetState) {
-			visibilityStates = [
-				...visibilityStates,
-				{
-					name: widgetId,
-					dataIndex: seriesVisibility,
-				},
-			];
-		} else {
-			widgetState.dataIndex = seriesVisibility;
-		}
-
-		localStorage.setItem(
-			LOCALSTORAGE.GRAPH_VISIBILITY_STATES,
-			JSON.stringify(visibilityStates),
-		);
-	} catch {
-		// Silently handle parsing errors - fall back to default visibility
 	}
+	const widgetState = visibilityStates.find((state) => state.name === widgetId);
+
+	if (widgetState) {
+		widgetState.dataIndex = seriesVisibility;
+	} else {
+		visibilityStates = [
+			...visibilityStates,
+			{
+				name: widgetId,
+				dataIndex: seriesVisibility,
+			},
+		];
+	}
+
+	localStorage.setItem(
+		LOCALSTORAGE.GRAPH_VISIBILITY_STATES,
+		JSON.stringify(visibilityStates),
+	);
 }

frontend/src/container/PanelWrapper/constants.ts

@@ -1,5 +1,6 @@
 import { PANEL_TYPES } from 'constants/queryBuilder';
 
+import TimeSeriesPanel from '../DashboardContainer/visualization/panels/TimeSeriesPanel/TimeSeriesPanel';
 import HistogramPanelWrapper from './HistogramPanelWrapper';
 import ListPanelWrapper from './ListPanelWrapper';
 import PiePanelWrapper from './PiePanelWrapper';
@@ -8,7 +9,7 @@ import UplotPanelWrapper from './UplotPanelWrapper';
 import ValuePanelWrapper from './ValuePanelWrapper';
 
 export const PanelTypeVsPanelWrapper = {
-	[PANEL_TYPES.TIME_SERIES]: UplotPanelWrapper,
+	[PANEL_TYPES.TIME_SERIES]: TimeSeriesPanel,
 	[PANEL_TYPES.TABLE]: TablePanelWrapper,
 	[PANEL_TYPES.LIST]: ListPanelWrapper,
 	[PANEL_TYPES.VALUE]: ValuePanelWrapper,

frontend/src/hooks/useCopyToClipboard.ts

@@ -0,0 +1,61 @@
+import { useCallback, useEffect, useRef, useState } from 'react';
+
+const DEFAULT_COPIED_RESET_MS = 2000;
+
+export interface UseCopyToClipboardOptions {
+	/** How long (ms) to keep "copied" state before resetting. Default 2000. */
+	copiedResetMs?: number;
+}
+
+export type ID = number | string | null;
+
+export interface UseCopyToClipboardReturn {
+	/** Copy text to clipboard. Pass an optional id to track which item was copied (e.g. seriesIndex). */
+	copyToClipboard: (text: string, id?: ID) => void;
+	/** True when something was just copied and still within the reset threshold. */
+	isCopied: boolean;
+	/** The id passed to the last successful copy, or null after reset. Use to show "copied" state for a specific item (e.g. copiedId === item.seriesIndex). */
+	id: ID;
+}
+
+export function useCopyToClipboard(
+	options: UseCopyToClipboardOptions = {},
+): UseCopyToClipboardReturn {
+	const { copiedResetMs = DEFAULT_COPIED_RESET_MS } = options;
+	const [state, setState] = useState<{ isCopied: boolean; id: ID }>({
+		isCopied: false,
+		id: null,
+	});
+	const timeoutRef = useRef<ReturnType<typeof setTimeout> | null>(null);
+
+	useEffect(() => {
+		return (): void => {
+			if (timeoutRef.current) {
+				clearTimeout(timeoutRef.current);
+				timeoutRef.current = null;
+			}
+		};
+	}, []);
+
+	const copyToClipboard = useCallback(
+		(text: string, id?: ID): void => {
+			navigator.clipboard.writeText(text).then(() => {
+				if (timeoutRef.current) {
+					clearTimeout(timeoutRef.current);
+				}
+				setState({ isCopied: true, id: id ?? null });
+				timeoutRef.current = setTimeout(() => {
+					setState({ isCopied: false, id: null });
+					timeoutRef.current = null;
+				}, copiedResetMs);
+			});
+		},
+		[copiedResetMs],
+	);
+
+	return {
+		copyToClipboard,
+		isCopied: state.isCopied,
+		id: state.id,
+	};
+}

frontend/src/lib/dashboardVariables/variableReference.test.ts

@@ -0,0 +1,445 @@
+import { IBuilderQuery, Query } from 'types/api/queryBuilder/queryBuilderData';
+import { EQueryType } from 'types/common/dashboard';
+
+import {
+	buildVariableReferencePattern,
+	extractQueryTextStrings,
+	getVariableReferencesInQuery,
+	textContainsVariableReference,
+} from './variableReference';
+
+describe('buildVariableReferencePattern', () => {
+	const varName = 'deployment_environment';
+
+	it.each([
+		['{{.deployment_environment}}', '{{.var}} syntax'],
+		['{{ .deployment_environment }}', '{{.var}} with spaces'],
+		['{{deployment_environment}}', '{{var}} syntax'],
+		['{{ deployment_environment }}', '{{var}} with spaces'],
+		['$deployment_environment', '$var syntax'],
+		['[[deployment_environment]]', '[[var]] syntax'],
+		['[[ deployment_environment ]]', '[[var]] with spaces'],
+	])('matches %s (%s)', (text) => {
+		expect(buildVariableReferencePattern(varName).test(text)).toBe(true);
+	});
+
+	it('does not match partial variable names', () => {
+		const pattern = buildVariableReferencePattern('env');
+		// $env should match at word boundary, but $environment should not match $env
+		expect(pattern.test('$environment')).toBe(false);
+	});
+
+	it('matches $var at word boundary within larger text', () => {
+		const pattern = buildVariableReferencePattern('env');
+		expect(pattern.test('SELECT * WHERE x = $env')).toBe(true);
+		expect(pattern.test('$env AND y = 1')).toBe(true);
+	});
+});
+
+describe('textContainsVariableReference', () => {
+	describe('guard clauses', () => {
+		it('returns false for empty text', () => {
+			expect(textContainsVariableReference('', 'var')).toBe(false);
+		});
+
+		it('returns false for empty variable name', () => {
+			expect(textContainsVariableReference('some text', '')).toBe(false);
+		});
+	});
+
+	describe('all syntax formats', () => {
+		const varName = 'service_name';
+
+		it('detects {{.var}} format', () => {
+			const query = "SELECT * FROM table WHERE service = '{{.service_name}}'";
+			expect(textContainsVariableReference(query, varName)).toBe(true);
+		});
+
+		it('detects {{var}} format', () => {
+			const query = "SELECT * FROM table WHERE service = '{{service_name}}'";
+			expect(textContainsVariableReference(query, varName)).toBe(true);
+		});
+
+		it('detects $var format', () => {
+			const query = "SELECT * FROM table WHERE service = '$service_name'";
+			expect(textContainsVariableReference(query, varName)).toBe(true);
+		});
+
+		it('detects [[var]] format', () => {
+			const query = "SELECT * FROM table WHERE service = '[[service_name]]'";
+			expect(textContainsVariableReference(query, varName)).toBe(true);
+		});
+	});
+
+	describe('embedded in larger text', () => {
+		it('finds variable in a multi-line query', () => {
+			const query = `SELECT JSONExtractString(labels, 'k8s_node_name') AS k8s_node_name
+FROM signoz_metrics.distributed_time_series_v4_1day
+WHERE metric_name = 'k8s_node_cpu_time' AND JSONExtractString(labels, 'k8s_cluster_name') = {{.k8s_cluster_name}}
+GROUP BY k8s_node_name`;
+			expect(textContainsVariableReference(query, 'k8s_cluster_name')).toBe(true);
+			expect(textContainsVariableReference(query, 'k8s_node_name')).toBe(false); // plain text, not a variable reference
+		});
+	});
+
+	describe('no false positives', () => {
+		it('does not match substring of a longer variable name', () => {
+			expect(
+				textContainsVariableReference('$service_name_v2', 'service_name'),
+			).toBe(false);
+		});
+
+		it('does not match plain text that happens to contain the name', () => {
+			expect(
+				textContainsVariableReference(
+					'the service_name column is important',
+					'service_name',
+				),
+			).toBe(false);
+		});
+	});
+});
+
+// ---- Query text extraction & variable reference detection ----
+
+const baseQuery: Query = {
+	id: 'test-query',
+	queryType: EQueryType.QUERY_BUILDER,
+	promql: [],
+	builder: { queryData: [], queryFormulas: [], queryTraceOperator: [] },
+	clickhouse_sql: [],
+};
+
+describe('extractQueryTextStrings', () => {
+	it('returns empty array for query builder with no data', () => {
+		expect(extractQueryTextStrings(baseQuery)).toEqual([]);
+	});
+
+	it('extracts string values from query builder filter items', () => {
+		const query: Query = {
+			...baseQuery,
+			queryType: EQueryType.QUERY_BUILDER,
+			builder: {
+				queryData: [
+					({
+						filters: {
+							items: [
+								{ id: '1', op: '=', value: ['$service_name', 'hardcoded'] },
+								{ id: '2', op: '=', value: '$env' },
+							],
+							op: 'AND',
+						},
+					} as unknown) as IBuilderQuery,
+				],
+				queryFormulas: [],
+				queryTraceOperator: [],
+			},
+		};
+
+		const texts = extractQueryTextStrings(query);
+		expect(texts).toEqual(['$service_name', 'hardcoded', '$env']);
+	});
+
+	it('extracts filter expression from query builder', () => {
+		const query: Query = {
+			...baseQuery,
+			queryType: EQueryType.QUERY_BUILDER,
+			builder: {
+				queryData: [
+					({
+						filters: { items: [], op: 'AND' },
+						filter: { expression: 'env = $deployment_environment' },
+					} as unknown) as IBuilderQuery,
+				],
+				queryFormulas: [],
+				queryTraceOperator: [],
+			},
+		};
+
+		const texts = extractQueryTextStrings(query);
+		expect(texts).toEqual(['env = $deployment_environment']);
+	});
+
+	it('skips non-string filter values', () => {
+		const query: Query = {
+			...baseQuery,
+			queryType: EQueryType.QUERY_BUILDER,
+			builder: {
+				queryData: [
+					({
+						filters: {
+							items: [{ id: '1', op: '=', value: [42, true] }],
+							op: 'AND',
+						},
+					} as unknown) as IBuilderQuery,
+				],
+				queryFormulas: [],
+				queryTraceOperator: [],
+			},
+		};
+
+		expect(extractQueryTextStrings(query)).toEqual([]);
+	});
+
+	it('extracts promql query strings', () => {
+		const query: Query = {
+			...baseQuery,
+			queryType: EQueryType.PROM,
+			promql: [
+				{ name: 'A', query: 'up{env="$env"}', legend: '', disabled: false },
+				{ name: 'B', query: 'cpu{ns="$namespace"}', legend: '', disabled: false },
+			],
+		};
+
+		expect(extractQueryTextStrings(query)).toEqual([
+			'up{env="$env"}',
+			'cpu{ns="$namespace"}',
+		]);
+	});
+
+	it('extracts clickhouse sql query strings', () => {
+		const query: Query = {
+			...baseQuery,
+			queryType: EQueryType.CLICKHOUSE,
+			clickhouse_sql: [
+				{
+					name: 'A',
+					query: 'SELECT * WHERE env = {{.env}}',
+					legend: '',
+					disabled: false,
+				},
+			],
+		};
+
+		expect(extractQueryTextStrings(query)).toEqual([
+			'SELECT * WHERE env = {{.env}}',
+		]);
+	});
+
+	it('accumulates texts across multiple queryData entries', () => {
+		const query: Query = {
+			...baseQuery,
+			queryType: EQueryType.QUERY_BUILDER,
+			builder: {
+				queryData: [
+					({
+						filters: {
+							items: [{ id: '1', op: '=', value: '$env' }],
+							op: 'AND',
+						},
+					} as unknown) as IBuilderQuery,
+					({
+						filters: {
+							items: [{ id: '2', op: '=', value: ['$service_name'] }],
+							op: 'AND',
+						},
+					} as unknown) as IBuilderQuery,
+				],
+				queryFormulas: [],
+				queryTraceOperator: [],
+			},
+		};
+
+		expect(extractQueryTextStrings(query)).toEqual(['$env', '$service_name']);
+	});
+
+	it('collects both filter items and filter expression from the same queryData', () => {
+		const query: Query = {
+			...baseQuery,
+			queryType: EQueryType.QUERY_BUILDER,
+			builder: {
+				queryData: [
+					({
+						filters: {
+							items: [{ id: '1', op: '=', value: '$service_name' }],
+							op: 'AND',
+						},
+						filter: { expression: 'env = $deployment_environment' },
+					} as unknown) as IBuilderQuery,
+				],
+				queryFormulas: [],
+				queryTraceOperator: [],
+			},
+		};
+
+		expect(extractQueryTextStrings(query)).toEqual([
+			'$service_name',
+			'env = $deployment_environment',
+		]);
+	});
+
+	it('skips promql entries with empty query strings', () => {
+		const query: Query = {
+			...baseQuery,
+			queryType: EQueryType.PROM,
+			promql: [
+				{ name: 'A', query: '', legend: '', disabled: false },
+				{ name: 'B', query: 'up{env="$env"}', legend: '', disabled: false },
+			],
+		};
+
+		expect(extractQueryTextStrings(query)).toEqual(['up{env="$env"}']);
+	});
+
+	it('skips clickhouse entries with empty query strings', () => {
+		const query: Query = {
+			...baseQuery,
+			queryType: EQueryType.CLICKHOUSE,
+			clickhouse_sql: [
+				{ name: 'A', query: '', legend: '', disabled: false },
+				{
+					name: 'B',
+					query: 'SELECT * WHERE x = {{.env}}',
+					legend: '',
+					disabled: false,
+				},
+			],
+		};
+
+		expect(extractQueryTextStrings(query)).toEqual([
+			'SELECT * WHERE x = {{.env}}',
+		]);
+	});
+
+	it('returns empty array for unknown query type', () => {
+		const query = {
+			...baseQuery,
+			queryType: ('unknown' as unknown) as EQueryType,
+		};
+		expect(extractQueryTextStrings(query)).toEqual([]);
+	});
+});
+
+describe('getVariableReferencesInQuery', () => {
+	const variableNames = [
+		'deployment_environment',
+		'service_name',
+		'endpoint',
+		'unused_var',
+	];
+
+	it('returns empty array when query has no text', () => {
+		expect(getVariableReferencesInQuery(baseQuery, variableNames)).toEqual([]);
+	});
+
+	it('detects variables referenced in query builder filters', () => {
+		const query: Query = {
+			...baseQuery,
+			queryType: EQueryType.QUERY_BUILDER,
+			builder: {
+				queryData: [
+					({
+						filters: {
+							items: [
+								{ id: '1', op: '=', value: '$service_name' },
+								{ id: '2', op: 'IN', value: ['$deployment_environment'] },
+							],
+							op: 'AND',
+						},
+					} as unknown) as IBuilderQuery,
+				],
+				queryFormulas: [],
+				queryTraceOperator: [],
+			},
+		};
+
+		const result = getVariableReferencesInQuery(query, variableNames);
+		expect(result).toEqual(['deployment_environment', 'service_name']);
+	});
+
+	it('detects variables in promql queries', () => {
+		const query: Query = {
+			...baseQuery,
+			queryType: EQueryType.PROM,
+			promql: [
+				{
+					name: 'A',
+					query:
+						'http_requests{env="{{.deployment_environment}}", endpoint="$endpoint"}',
+					legend: '',
+					disabled: false,
+				},
+			],
+		};
+
+		const result = getVariableReferencesInQuery(query, variableNames);
+		expect(result).toEqual(['deployment_environment', 'endpoint']);
+	});
+
+	it('detects variables in clickhouse sql queries', () => {
+		const query: Query = {
+			...baseQuery,
+			queryType: EQueryType.CLICKHOUSE,
+			clickhouse_sql: [
+				{
+					name: 'A',
+					query: 'SELECT * FROM table WHERE service = [[service_name]]',
+					legend: '',
+					disabled: false,
+				},
+			],
+		};
+
+		const result = getVariableReferencesInQuery(query, variableNames);
+		expect(result).toEqual(['service_name']);
+	});
+
+	it('detects variables spread across multiple queryData entries', () => {
+		const query: Query = {
+			...baseQuery,
+			queryType: EQueryType.QUERY_BUILDER,
+			builder: {
+				queryData: [
+					({
+						filters: {
+							items: [{ id: '1', op: '=', value: '$service_name' }],
+							op: 'AND',
+						},
+					} as unknown) as IBuilderQuery,
+					({
+						filter: { expression: 'env = $deployment_environment' },
+					} as unknown) as IBuilderQuery,
+				],
+				queryFormulas: [],
+				queryTraceOperator: [],
+			},
+		};
+
+		const result = getVariableReferencesInQuery(query, variableNames);
+		expect(result).toEqual(['deployment_environment', 'service_name']);
+	});
+
+	it('returns empty array when no variables are referenced', () => {
+		const query: Query = {
+			...baseQuery,
+			queryType: EQueryType.PROM,
+			promql: [
+				{
+					name: 'A',
+					query: 'up{job="api"}',
+					legend: '',
+					disabled: false,
+				},
+			],
+		};
+
+		expect(getVariableReferencesInQuery(query, variableNames)).toEqual([]);
+	});
+
+	it('returns empty array when variableNames list is empty', () => {
+		const query: Query = {
+			...baseQuery,
+			queryType: EQueryType.PROM,
+			promql: [
+				{
+					name: 'A',
+					query: 'up{env="$deployment_environment"}',
+					legend: '',
+					disabled: false,
+				},
+			],
+		};
+
+		expect(getVariableReferencesInQuery(query, [])).toEqual([]);
+	});
+});

frontend/src/lib/dashboardVariables/variableReference.ts

@@ -0,0 +1,136 @@
+import { isArray } from 'lodash-es';
+import { Query, TagFilterItem } from 'types/api/queryBuilder/queryBuilderData';
+import { EQueryType } from 'types/common/dashboard';
+
+/**
+ * Builds a RegExp that matches any recognized variable reference syntax:
+ *   {{.variableName}}  — dot prefix, optional whitespace
+ *   {{variableName}}   — no dot, optional whitespace
+ *   $variableName      — dollar prefix, word-boundary terminated
+ *   [[variableName]]   — square brackets, optional whitespace
+ */
+export function buildVariableReferencePattern(variableName: string): RegExp {
+	const patterns = [
+		`\\{\\{\\s*?\\.${variableName}\\s*?\\}\\}`,
+		`\\{\\{\\s*${variableName}\\s*\\}\\}`,
+		`\\$${variableName}\\b`,
+		`\\[\\[\\s*${variableName}\\s*\\]\\]`,
+	];
+	return new RegExp(patterns.join('|'));
+}
+
+/**
+ * Returns true if `text` contains a reference to `variableName` in any of the
+ * recognized variable syntaxes.
+ */
+export function textContainsVariableReference(
+	text: string,
+	variableName: string,
+): boolean {
+	if (!text || !variableName) {
+		return false;
+	}
+	return buildVariableReferencePattern(variableName).test(text);
+}
+
+/**
+ * Extracts all text strings from a widget Query that could contain variable
+ * references. Covers:
+ * - QUERY_BUILDER: filter items' string values + filter.expression
+ * - PROM: each promql[].query
+ * - CLICKHOUSE: each clickhouse_sql[].query
+ */
+function extractQueryBuilderTexts(query: Query): string[] {
+	const texts: string[] = [];
+	const queryDataList = query.builder?.queryData;
+	if (isArray(queryDataList)) {
+		queryDataList.forEach((queryData) => {
+			// Collect string values from filter items
+			queryData.filters?.items?.forEach((filter: TagFilterItem) => {
+				if (isArray(filter.value)) {
+					filter.value.forEach((v) => {
+						if (typeof v === 'string') {
+							texts.push(v);
+						}
+					});
+				} else if (typeof filter.value === 'string') {
+					texts.push(filter.value);
+				}
+			});
+
+			// Collect filter expression
+			if (queryData.filter?.expression) {
+				texts.push(queryData.filter.expression);
+			}
+		});
+	}
+	return texts;
+}
+
+function extractPromQLTexts(query: Query): string[] {
+	const texts: string[] = [];
+	if (isArray(query.promql)) {
+		query.promql.forEach((promqlQuery) => {
+			if (promqlQuery.query) {
+				texts.push(promqlQuery.query);
+			}
+		});
+	}
+	return texts;
+}
+
+function extractClickhouseSQLTexts(query: Query): string[] {
+	const texts: string[] = [];
+	if (isArray(query.clickhouse_sql)) {
+		query.clickhouse_sql.forEach((clickhouseQuery) => {
+			if (clickhouseQuery.query) {
+				texts.push(clickhouseQuery.query);
+			}
+		});
+	}
+	return texts;
+}
+
+/**
+ * Extracts all text strings from a widget Query that could contain variable
+ * references. Covers:
+ * - QUERY_BUILDER: filter items' string values + filter.expression
+ * - PROM: each promql[].query
+ * - CLICKHOUSE: each clickhouse_sql[].query
+ */
+export function extractQueryTextStrings(query: Query): string[] {
+	if (query.queryType === EQueryType.QUERY_BUILDER) {
+		return extractQueryBuilderTexts(query);
+	}
+
+	if (query.queryType === EQueryType.PROM) {
+		return extractPromQLTexts(query);
+	}
+
+	if (query.queryType === EQueryType.CLICKHOUSE) {
+		return extractClickhouseSQLTexts(query);
+	}
+
+	return [];
+}
+
+/**
+ * Given a widget Query and an array of variable names, returns the subset of
+ * variable names that are referenced in the query text.
+ *
+ * This performs text-based detection only. Structural checks (like
+ * filter.key.key matching a variable attribute) are NOT included.
+ */
+export function getVariableReferencesInQuery(
+	query: Query,
+	variableNames: string[],
+): string[] {
+	const texts = extractQueryTextStrings(query);
+	if (texts.length === 0) {
+		return [];
+	}
+
+	return variableNames.filter((name) =>
+		texts.some((text) => textContainsVariableReference(text, name)),
+	);
+}

frontend/src/lib/uPlotV2/components/Legend/Legend.styles.scss

@@ -128,6 +128,15 @@
 		opacity: 1;
 	}
 
+	.legend-item-label-trigger {
+		display: flex;
+		align-items: center;
+		gap: 6px;
+		flex: 1;
+		min-width: 0;
+		cursor: pointer;
+	}
+
 	.legend-marker {
 		border-width: 2px;
 		border-radius: 50%;
@@ -157,10 +166,34 @@
 		text-overflow: ellipsis;
 		white-space: nowrap;
 		min-width: 0;
+		user-select: none;
+	}
+
+	.legend-copy-button {
+		display: none;
+		align-items: center;
+		justify-content: center;
+		flex-shrink: 0;
+		padding: 2px;
+		margin: 0;
+		border: none;
+		color: var(--bg-vanilla-400);
+		cursor: pointer;
+		border-radius: 4px;
+		opacity: 1;
+		transition: opacity 0.15s ease, color 0.15s ease;
+
+		&:hover {
+			color: var(--bg-vanilla-100);
+		}
 	}
 
 	&:hover {
 		background: rgba(255, 255, 255, 0.05);
+		.legend-copy-button {
+			display: flex;
+			opacity: 1;
+		}
 	}
 }
 
@@ -172,4 +205,17 @@
 			}
 		}
 	}
+
+	.legend-item {
+		&:hover {
+			background: rgba(0, 0, 0, 0.05);
+		}
+		.legend-copy-button {
+			color: var(--bg-ink-400);
+
+			&:hover {
+				color: var(--bg-ink-500);
+			}
+		}
+	}
 }

frontend/src/lib/uPlotV2/components/Legend/Legend.tsx

@@ -2,11 +2,13 @@ import { useCallback, useMemo, useRef, useState } from 'react';
 import { VirtuosoGrid } from 'react-virtuoso';
 import { Input, Tooltip as AntdTooltip } from 'antd';
 import cx from 'classnames';
+import { useCopyToClipboard } from 'hooks/useCopyToClipboard';
 import { LegendItem } from 'lib/uPlotV2/config/types';
 import useLegendsSync from 'lib/uPlotV2/hooks/useLegendsSync';
+import { Check, Copy } from 'lucide-react';
 
+import { useLegendActions } from '../../hooks/useLegendActions';
 import { LegendPosition, LegendProps } from '../types';
-import { useLegendActions } from './useLegendActions';
 
 import './Legend.styles.scss';
 
@@ -32,6 +34,7 @@ export default function Legend({
 	});
 	const legendContainerRef = useRef<HTMLDivElement | null>(null);
 	const [legendSearchQuery, setLegendSearchQuery] = useState('');
+	const { copyToClipboard, id: copiedId } = useCopyToClipboard();
 
 	const legendItems = useMemo(() => Object.values(legendItemsMap), [
 		legendItemsMap,
@@ -59,26 +62,53 @@ export default function Legend({
 		);
 	}, [position, legendSearchQuery, legendItems]);
 
+	const handleCopyLegendItem = useCallback(
+		(e: React.MouseEvent, seriesIndex: number, label: string): void => {
+			e.stopPropagation();
+			copyToClipboard(label, seriesIndex);
+		},
+		[copyToClipboard],
+	);
+
 	const renderLegendItem = useCallback(
-		(item: LegendItem): JSX.Element => (
-			<AntdTooltip key={item.seriesIndex} title={item.label}>
+		(item: LegendItem): JSX.Element => {
+			const isCopied = copiedId === item.seriesIndex;
+			return (
 				<div
+					key={item.seriesIndex}
 					data-legend-item-id={item.seriesIndex}
 					className={cx('legend-item', `legend-item-${position.toLowerCase()}`, {
 						'legend-item-off': !item.show,
 						'legend-item-focused': focusedSeriesIndex === item.seriesIndex,
 					})}
 				>
-					<div
-						className="legend-marker"
-						style={{ borderColor: String(item.color) }}
-						data-is-legend-marker={true}
-					/>
-					<span className="legend-label">{item.label}</span>
+					<AntdTooltip title={item.label}>
+						<div className="legend-item-label-trigger">
+							<div
+								className="legend-marker"
+								style={{ borderColor: String(item.color) }}
+								data-is-legend-marker={true}
+							/>
+							<span className="legend-label">{item.label}</span>
+						</div>
+					</AntdTooltip>
+					<AntdTooltip title={isCopied ? 'Copied' : 'Copy'}>
+						<button
+							type="button"
+							className="legend-copy-button"
+							onClick={(e): void =>
+								handleCopyLegendItem(e, item.seriesIndex, item.label ?? '')
+							}
+							aria-label={`Copy ${item.label}`}
+							data-testid="legend-copy"
+						>
+							{isCopied ? <Check size={12} /> : <Copy size={12} />}
+						</button>
+					</AntdTooltip>
 				</div>
-			</AntdTooltip>
-		),
-		[focusedSeriesIndex, position],
+			);
+		},
+		[copiedId, focusedSeriesIndex, handleCopyLegendItem, position],
 	);
 
 	const isEmptyState = useMemo(() => {
@@ -106,6 +136,7 @@ export default function Legend({
 						placeholder="Search..."
 						value={legendSearchQuery}
 						onChange={(e): void => setLegendSearchQuery(e.target.value)}
+						data-testid="legend-search-input"
 						className="legend-search-input"
 					/>
 				</div>

frontend/src/lib/uPlotV2/components/__tests__/Legend.test.tsx

@@ -0,0 +1,280 @@
+import React from 'react';
+import {
+	fireEvent,
+	render,
+	RenderResult,
+	screen,
+	within,
+} from '@testing-library/react';
+import userEvent from '@testing-library/user-event';
+import { LegendItem } from 'lib/uPlotV2/config/types';
+import useLegendsSync from 'lib/uPlotV2/hooks/useLegendsSync';
+
+import { useLegendActions } from '../../hooks/useLegendActions';
+import Legend from '../Legend/Legend';
+import { LegendPosition } from '../types';
+
+const mockWriteText = jest.fn().mockResolvedValue(undefined);
+let clipboardSpy: jest.SpyInstance | undefined;
+
+jest.mock('react-virtuoso', () => ({
+	VirtuosoGrid: ({
+		data,
+		itemContent,
+		className,
+	}: {
+		data: LegendItem[];
+		itemContent: (index: number, item: LegendItem) => React.ReactNode;
+		className?: string;
+	}): JSX.Element => (
+		<div data-testid="virtuoso-grid" className={className}>
+			{data.map((item, index) => (
+				<div key={item.seriesIndex ?? index} data-testid="legend-item-wrapper">
+					{itemContent(index, item)}
+				</div>
+			))}
+		</div>
+	),
+}));
+
+jest.mock('lib/uPlotV2/hooks/useLegendsSync');
+jest.mock('lib/uPlotV2/hooks/useLegendActions');
+
+const mockUseLegendsSync = useLegendsSync as jest.MockedFunction<
+	typeof useLegendsSync
+>;
+const mockUseLegendActions = useLegendActions as jest.MockedFunction<
+	typeof useLegendActions
+>;
+
+describe('Legend', () => {
+	beforeAll(() => {
+		// JSDOM does not define navigator.clipboard; add it so we can spy on writeText
+		Object.defineProperty(navigator, 'clipboard', {
+			value: { writeText: () => Promise.resolve() },
+			writable: true,
+			configurable: true,
+		});
+	});
+
+	const baseLegendItemsMap = {
+		0: {
+			seriesIndex: 0,
+			label: 'A',
+			show: true,
+			color: '#ff0000',
+		},
+		1: {
+			seriesIndex: 1,
+			label: 'B',
+			show: false,
+			color: '#00ff00',
+		},
+		2: {
+			seriesIndex: 2,
+			label: 'C',
+			show: true,
+			color: '#0000ff',
+		},
+	};
+
+	let onLegendClick: jest.Mock;
+	let onLegendMouseMove: jest.Mock;
+	let onLegendMouseLeave: jest.Mock;
+	let onFocusSeries: jest.Mock;
+
+	beforeEach(() => {
+		onLegendClick = jest.fn();
+		onLegendMouseMove = jest.fn();
+		onLegendMouseLeave = jest.fn();
+		onFocusSeries = jest.fn();
+		mockWriteText.mockClear();
+
+		clipboardSpy = jest
+			.spyOn(navigator.clipboard, 'writeText')
+			.mockImplementation(mockWriteText);
+
+		mockUseLegendsSync.mockReturnValue({
+			legendItemsMap: baseLegendItemsMap,
+			focusedSeriesIndex: 1,
+			setFocusedSeriesIndex: jest.fn(),
+		});
+
+		mockUseLegendActions.mockReturnValue({
+			onLegendClick,
+			onLegendMouseMove,
+			onLegendMouseLeave,
+			onFocusSeries,
+		});
+	});
+
+	afterEach(() => {
+		clipboardSpy?.mockRestore();
+		jest.clearAllMocks();
+	});
+
+	const renderLegend = (position?: LegendPosition): RenderResult =>
+		render(
+			<Legend
+				position={position}
+				// config is not used directly in the component, it's consumed by the mocked hook
+				config={{} as any}
+			/>,
+		);
+
+	describe('layout and position', () => {
+		it('renders search input when legend position is RIGHT', () => {
+			renderLegend(LegendPosition.RIGHT);
+
+			expect(screen.getByTestId('legend-search-input')).toBeInTheDocument();
+		});
+
+		it('does not render search input when legend position is BOTTOM (default)', () => {
+			renderLegend();
+
+			expect(screen.queryByTestId('legend-search-input')).not.toBeInTheDocument();
+		});
+
+		it('renders the marker with the correct border color', () => {
+			renderLegend(LegendPosition.RIGHT);
+
+			const legendMarker = document.querySelector(
+				'[data-legend-item-id="0"] [data-is-legend-marker="true"]',
+			) as HTMLElement;
+
+			expect(legendMarker).toHaveStyle({
+				'border-color': '#ff0000',
+			});
+		});
+
+		it('renders all legend items in the grid by default', () => {
+			renderLegend(LegendPosition.RIGHT);
+
+			expect(screen.getByTestId('virtuoso-grid')).toBeInTheDocument();
+			expect(screen.getByText('A')).toBeInTheDocument();
+			expect(screen.getByText('B')).toBeInTheDocument();
+			expect(screen.getByText('C')).toBeInTheDocument();
+		});
+	});
+
+	describe('search behavior (RIGHT position)', () => {
+		it('filters legend items based on search query (case-insensitive)', async () => {
+			const user = userEvent.setup();
+			renderLegend(LegendPosition.RIGHT);
+
+			const searchInput = screen.getByTestId('legend-search-input');
+			await user.type(searchInput, 'A');
+
+			expect(screen.getByText('A')).toBeInTheDocument();
+			expect(screen.queryByText('B')).not.toBeInTheDocument();
+			expect(screen.queryByText('C')).not.toBeInTheDocument();
+		});
+
+		it('shows empty state when no legend items match the search query', async () => {
+			const user = userEvent.setup();
+			renderLegend(LegendPosition.RIGHT);
+
+			const searchInput = screen.getByTestId('legend-search-input');
+			await user.type(searchInput, 'network');
+
+			expect(
+				screen.getByText(/No series found matching "network"/i),
+			).toBeInTheDocument();
+			expect(screen.queryByTestId('virtuoso-grid')).not.toBeInTheDocument();
+		});
+
+		it('does not filter or show empty state when search query is empty or only whitespace', async () => {
+			const user = userEvent.setup();
+			renderLegend(LegendPosition.RIGHT);
+
+			const searchInput = screen.getByTestId('legend-search-input');
+			await user.type(searchInput, '   ');
+
+			expect(
+				screen.queryByText(/No series found matching/i),
+			).not.toBeInTheDocument();
+			expect(screen.getByText('A')).toBeInTheDocument();
+			expect(screen.getByText('B')).toBeInTheDocument();
+			expect(screen.getByText('C')).toBeInTheDocument();
+		});
+	});
+
+	describe('legend actions', () => {
+		it('calls onLegendClick when a legend item is clicked', async () => {
+			const user = userEvent.setup();
+			renderLegend(LegendPosition.RIGHT);
+
+			await user.click(screen.getByText('A'));
+
+			expect(onLegendClick).toHaveBeenCalledTimes(1);
+		});
+
+		it('calls mouseMove when the mouse moves over a legend item', async () => {
+			const user = userEvent.setup();
+			renderLegend(LegendPosition.RIGHT);
+
+			const legendItem = document.querySelector(
+				'[data-legend-item-id="0"]',
+			) as HTMLElement;
+
+			await user.hover(legendItem);
+
+			expect(onLegendMouseMove).toHaveBeenCalledTimes(1);
+		});
+
+		it('calls onLegendMouseLeave when the mouse leaves the legend container', async () => {
+			const user = userEvent.setup();
+			renderLegend(LegendPosition.RIGHT);
+
+			const container = document.querySelector('.legend-container') as HTMLElement;
+
+			await user.hover(container);
+			await user.unhover(container);
+
+			expect(onLegendMouseLeave).toHaveBeenCalledTimes(1);
+		});
+	});
+
+	describe('copy action', () => {
+		it('copies the legend label to clipboard when copy button is clicked', () => {
+			renderLegend(LegendPosition.RIGHT);
+
+			const firstLegendItem = document.querySelector(
+				'[data-legend-item-id="0"]',
+			) as HTMLElement;
+			const copyButton = within(firstLegendItem).getByTestId('legend-copy');
+
+			fireEvent.click(copyButton);
+
+			expect(mockWriteText).toHaveBeenCalledTimes(1);
+			expect(mockWriteText).toHaveBeenCalledWith('A');
+		});
+
+		it('copies the correct label when copy is clicked on a different legend item', () => {
+			renderLegend(LegendPosition.RIGHT);
+
+			const thirdLegendItem = document.querySelector(
+				'[data-legend-item-id="2"]',
+			) as HTMLElement;
+			const copyButton = within(thirdLegendItem).getByTestId('legend-copy');
+
+			fireEvent.click(copyButton);
+
+			expect(mockWriteText).toHaveBeenCalledTimes(1);
+			expect(mockWriteText).toHaveBeenCalledWith('C');
+		});
+
+		it('does not call onLegendClick when copy button is clicked', () => {
+			renderLegend(LegendPosition.RIGHT);
+
+			const firstLegendItem = document.querySelector(
+				'[data-legend-item-id="0"]',
+			) as HTMLElement;
+			const copyButton = within(firstLegendItem).getByTestId('legend-copy');
+
+			fireEvent.click(copyButton);
+
+			expect(onLegendClick).not.toHaveBeenCalled();
+		});
+	});
+});

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

@@ -4,12 +4,12 @@ import uPlot, { Axis } from 'uplot';
 
 import { uPlotXAxisValuesFormat } from '../../uPlotLib/utils/constants';
 import getGridColor from '../../uPlotLib/utils/getGridColor';
+import { buildYAxisSizeCalculator } from '../utils/axis';
 import { AxisProps, ConfigBuilder } from './types';
 
 const PANEL_TYPES_WITH_X_AXIS_DATETIME_FORMAT = [
 	PANEL_TYPES.TIME_SERIES,
 	PANEL_TYPES.BAR,
-	PANEL_TYPES.PIE,
 ];
 
 /**
@@ -114,81 +114,6 @@ export class UPlotAxisBuilder extends ConfigBuilder<AxisProps, Axis> {
 			: undefined;
 	}
 
-	/**
-	 * Calculate axis size from existing size property
-	 */
-	private getExistingAxisSize(
-		self: uPlot,
-		axis: Axis,
-		values: string[] | undefined,
-		axisIdx: number,
-		cycleNum: number,
-	): number {
-		const internalSize = (axis as { _size?: number })._size;
-		if (internalSize !== undefined) {
-			return internalSize;
-		}
-
-		const existingSize = axis.size;
-		if (typeof existingSize === 'function') {
-			return existingSize(self, values ?? [], axisIdx, cycleNum);
-		}
-
-		return existingSize ?? 0;
-	}
-
-	/**
-	 * Calculate text width for longest value
-	 */
-	private calculateTextWidth(
-		self: uPlot,
-		axis: Axis,
-		values: string[] | undefined,
-	): number {
-		if (!values || values.length === 0) {
-			return 0;
-		}
-
-		// Find longest value
-		const longestVal = values.reduce(
-			(acc, val) => (val.length > acc.length ? val : acc),
-			'',
-		);
-
-		if (longestVal === '' || !axis.font?.[0]) {
-			return 0;
-		}
-
-		// eslint-disable-next-line prefer-destructuring, no-param-reassign
-		self.ctx.font = axis.font[0];
-		return self.ctx.measureText(longestVal).width / devicePixelRatio;
-	}
-
-	/**
-	 * Build Y-axis dynamic size calculator
-	 */
-	private buildYAxisSizeCalculator(): uPlot.Axis.Size {
-		return (
-			self: uPlot,
-			values: string[] | undefined,
-			axisIdx: number,
-			cycleNum: number,
-		): number => {
-			const axis = self.axes[axisIdx];
-
-			// Bail out, force convergence
-			if (cycleNum > 1) {
-				return this.getExistingAxisSize(self, axis, values, axisIdx, cycleNum);
-			}
-
-			const gap = this.props.gap ?? 5;
-			let axisSize = (axis.ticks?.size ?? 0) + gap;
-			axisSize += this.calculateTextWidth(self, axis, values);
-
-			return Math.ceil(axisSize);
-		};
-	}
-
 	/**
 	 * Build dynamic size calculator for Y-axis
 	 */
@@ -202,7 +127,7 @@ export class UPlotAxisBuilder extends ConfigBuilder<AxisProps, Axis> {
 
 		// Y-axis needs dynamic sizing based on text width
 		if (scaleKey === 'y') {
-			return this.buildYAxisSizeCalculator();
+			return buildYAxisSizeCalculator(this.props.gap ?? 5);
 		}
 
 		return undefined;

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

@@ -1,3 +1,4 @@
+import { SeriesVisibilityState } from 'container/DashboardContainer/visualization/panels/types';
 import { getStoredSeriesVisibility } from 'container/DashboardContainer/visualization/panels/utils/legendVisibilityUtils';
 import { ThresholdsDrawHookOptions } from 'lib/uPlotV2/hooks/types';
 import { thresholdsDrawHook } from 'lib/uPlotV2/hooks/useThresholdsDrawHook';
@@ -235,9 +236,9 @@ export class UPlotConfigBuilder extends ConfigBuilder<
 	}
 
 	/**
-	 * Returns stored series visibility map from localStorage when preferences source is LOCAL_STORAGE, otherwise null.
+	 * Returns stored series visibility by index from localStorage when preferences source is LOCAL_STORAGE, otherwise null.
 	 */
-	private getStoredVisibilityMap(): Map<string, boolean> | null {
+	private getStoredVisibility(): SeriesVisibilityState | null {
 		if (
 			this.widgetId &&
 			this.selectionPreferencesSource === SelectionPreferencesSource.LOCAL_STORAGE
@@ -251,22 +252,23 @@ export class UPlotConfigBuilder extends ConfigBuilder<
 	 * Get legend items with visibility state restored from localStorage if available
 	 */
 	getLegendItems(): Record<number, LegendItem> {
-		const visibilityMap = this.getStoredVisibilityMap();
-		const isAnySeriesHidden = !!(
-			visibilityMap && Array.from(visibilityMap.values()).some((show) => !show)
+		const seriesVisibilityState = this.getStoredVisibility();
+		const isAnySeriesHidden = !!seriesVisibilityState?.visibility?.some(
+			(show) => !show,
 		);
 
 		return this.series.reduce((acc, s: UPlotSeriesBuilder, index: number) => {
 			const seriesConfig = s.getConfig();
 			const label = seriesConfig.label ?? '';
-			const seriesIndex = index + 1; // +1 because the first series is the timestamp
-
-			const show = resolveSeriesVisibility(
-				label,
-				seriesConfig.show,
-				visibilityMap,
+			// +1 because uPlot series 0 is x-axis/time; data series are at 1, 2, ... (also matches stored visibility[0]=time, visibility[1]=first data, ...)
+			const seriesIndex = index + 1;
+			const show = resolveSeriesVisibility({
+				seriesIndex,
+				seriesShow: seriesConfig.show,
+				seriesLabel: label,
+				seriesVisibilityState,
 				isAnySeriesHidden,
-			);
+			});
 
 			acc[seriesIndex] = {
 				seriesIndex,
@@ -294,22 +296,23 @@ export class UPlotConfigBuilder extends ConfigBuilder<
 			...DEFAULT_PLOT_CONFIG,
 		};
 
-		const visibilityMap = this.getStoredVisibilityMap();
-		const isAnySeriesHidden = !!(
-			visibilityMap && Array.from(visibilityMap.values()).some((show) => !show)
+		const seriesVisibilityState = this.getStoredVisibility();
+		const isAnySeriesHidden = !!seriesVisibilityState?.visibility?.some(
+			(show) => !show,
 		);
 
 		config.series = [
 			{ value: (): string => '' }, // Base series for timestamp
-			...this.series.map((s) => {
+			...this.series.map((s, index) => {
 				const series = s.getConfig();
-				const label = series.label ?? '';
-				const visible = resolveSeriesVisibility(
-					label,
-					series.show,
-					visibilityMap,
+				// Stored visibility[0] is x-axis/time; data series start at visibility[1]
+				const visible = resolveSeriesVisibility({
+					seriesIndex: index + 1,
+					seriesShow: series.show,
+					seriesLabel: series.label ?? '',
+					seriesVisibilityState,
 					isAnySeriesHidden,
-				);
+				});
 				return {
 					...series,
 					show: visible,

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

@@ -15,7 +15,33 @@ import {
  * Builder for uPlot series configuration
  * Handles creation of series settings
  */
+
+/**
+ * Path builders are static and shared across all instances of UPlotSeriesBuilder
+ */
+let builders: PathBuilders | null = null;
 export class UPlotSeriesBuilder extends ConfigBuilder<SeriesProps, Series> {
+	constructor(props: SeriesProps) {
+		super(props);
+		const pathBuilders = uPlot.paths;
+
+		if (!builders) {
+			const linearBuilder = pathBuilders.linear;
+			const splineBuilder = pathBuilders.spline;
+			const steppedBuilder = pathBuilders.stepped;
+
+			if (!linearBuilder || !splineBuilder || !steppedBuilder) {
+				throw new Error('Required uPlot path builders are not available');
+			}
+			builders = {
+				linear: linearBuilder(),
+				spline: splineBuilder(),
+				stepBefore: steppedBuilder({ align: -1 }),
+				stepAfter: steppedBuilder({ align: 1 }),
+			};
+		}
+	}
+
 	private buildLineConfig({
 		lineColor,
 		lineWidth,
@@ -198,8 +224,6 @@ interface PathBuilders {
 	[key: string]: Series.PathBuilder;
 }
 
-let builders: PathBuilders | null = null;
-
 /**
  * Get path builder based on draw style and interpolation
  */
@@ -207,23 +231,8 @@ function getPathBuilder(
 	style: DrawStyle,
 	lineInterpolation?: LineInterpolation,
 ): Series.PathBuilder {
-	const pathBuilders = uPlot.paths;
-
 	if (!builders) {
-		const linearBuilder = pathBuilders.linear;
-		const splineBuilder = pathBuilders.spline;
-		const steppedBuilder = pathBuilders.stepped;
-
-		if (!linearBuilder || !splineBuilder || !steppedBuilder) {
-			throw new Error('Required uPlot path builders are not available');
-		}
-
-		builders = {
-			linear: linearBuilder(),
-			spline: splineBuilder(),
-			stepBefore: steppedBuilder({ align: -1 }),
-			stepAfter: steppedBuilder({ align: 1 }),
-		};
+		throw new Error('Required uPlot path builders are not available');
 	}
 
 	if (style === DrawStyle.Line) {

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

@@ -0,0 +1,393 @@
+import { getToolTipValue } from 'components/Graph/yAxisConfig';
+import { PANEL_TYPES } from 'constants/queryBuilder';
+import { uPlotXAxisValuesFormat } from 'lib/uPlotLib/utils/constants';
+import type uPlot from 'uplot';
+
+import type { AxisProps } from '../types';
+import { UPlotAxisBuilder } from '../UPlotAxisBuilder';
+
+jest.mock('components/Graph/yAxisConfig', () => ({
+	getToolTipValue: jest.fn(),
+}));
+
+const createAxisProps = (overrides: Partial<AxisProps> = {}): AxisProps => ({
+	scaleKey: 'x',
+	label: 'Time',
+	isDarkMode: false,
+	show: true,
+	...overrides,
+});
+
+describe('UPlotAxisBuilder', () => {
+	beforeEach(() => {
+		jest.clearAllMocks();
+	});
+
+	it('builds basic axis config with defaults', () => {
+		const builder = new UPlotAxisBuilder(
+			createAxisProps({
+				scaleKey: 'x',
+				label: 'Time',
+			}),
+		);
+
+		const config = builder.getConfig();
+
+		expect(config.scale).toBe('x');
+		expect(config.label).toBe('Time');
+		expect(config.show).toBe(true);
+		expect(config.side).toBe(2);
+		expect(config.gap).toBe(5);
+
+		// Default grid and ticks are created
+		expect(config.grid).toEqual({
+			stroke: 'rgba(0,0,0,0.5)',
+			width: 0.2,
+			show: true,
+		});
+		expect(config.ticks).toEqual({
+			width: 0.3,
+			show: true,
+		});
+	});
+
+	it('sets config values when provided', () => {
+		const builder = new UPlotAxisBuilder(
+			createAxisProps({
+				scaleKey: 'x',
+				label: 'Time',
+				show: false,
+				side: 0,
+				gap: 10,
+				grid: {
+					stroke: '#ff0000',
+					width: 1,
+					show: false,
+				},
+				ticks: {
+					stroke: '#00ff00',
+					width: 1,
+					show: false,
+					size: 10,
+				},
+				values: ['1', '2', '3'],
+				space: 20,
+				size: 100,
+				stroke: '#0000ff',
+			}),
+		);
+		const config = builder.getConfig();
+		expect(config.scale).toBe('x');
+		expect(config.label).toBe('Time');
+		expect(config.show).toBe(false);
+		expect(config.gap).toBe(10);
+		expect(config.grid).toEqual({
+			stroke: '#ff0000',
+			width: 1,
+			show: false,
+		});
+		expect(config.ticks).toEqual({
+			stroke: '#00ff00',
+			width: 1,
+			show: false,
+			size: 10,
+		});
+		expect(config.values).toEqual(['1', '2', '3']);
+		expect(config.space).toBe(20);
+		expect(config.size).toBe(100);
+		expect(config.stroke).toBe('#0000ff');
+	});
+
+	it('merges custom grid config over defaults and respects isDarkMode and isLogScale', () => {
+		const builder = new UPlotAxisBuilder(
+			createAxisProps({
+				isDarkMode: true,
+				isLogScale: true,
+				grid: {
+					width: 1,
+				},
+			}),
+		);
+
+		const config = builder.getConfig();
+
+		expect(config.grid).toEqual({
+			// stroke falls back to theme-based default when not provided
+			stroke: 'rgba(231,233,237,0.3)',
+			// provided width overrides default
+			width: 1,
+			// show falls back to default when not provided
+			show: true,
+		});
+	});
+
+	it('uses provided ticks config when present and falls back to defaults otherwise', () => {
+		const customTicks = { width: 1, show: false };
+		const withTicks = new UPlotAxisBuilder(
+			createAxisProps({
+				ticks: customTicks,
+			}),
+		);
+		const withoutTicks = new UPlotAxisBuilder(createAxisProps());
+
+		expect(withTicks.getConfig().ticks).toBe(customTicks);
+		expect(withoutTicks.getConfig().ticks).toEqual({
+			width: 0.3,
+			show: true,
+		});
+	});
+
+	it('uses time-based X-axis values formatter for time-series like panels', () => {
+		const builder = new UPlotAxisBuilder(
+			createAxisProps({
+				scaleKey: 'x',
+				panelType: PANEL_TYPES.TIME_SERIES,
+			}),
+		);
+
+		const config = builder.getConfig();
+
+		expect(config.values).toBe(uPlotXAxisValuesFormat);
+	});
+
+	it('does not attach X-axis datetime formatter when panel type is not supported', () => {
+		const builder = new UPlotAxisBuilder(
+			createAxisProps({
+				scaleKey: 'x',
+				panelType: PANEL_TYPES.LIST, // not in PANEL_TYPES_WITH_X_AXIS_DATETIME_FORMAT
+			}),
+		);
+
+		const config = builder.getConfig();
+
+		expect(config.values).toBeUndefined();
+	});
+
+	it('builds Y-axis values formatter that delegates to getToolTipValue', () => {
+		const yBuilder = new UPlotAxisBuilder(
+			createAxisProps({
+				scaleKey: 'y',
+				yAxisUnit: 'ms',
+				decimalPrecision: 3,
+			}),
+		);
+
+		const config = yBuilder.getConfig();
+		expect(typeof config.values).toBe('function');
+
+		(getToolTipValue as jest.Mock).mockImplementation(
+			(value: string, unit?: string, precision?: unknown) =>
+				`formatted:${value}:${unit}:${precision}`,
+		);
+
+		// Simulate uPlot calling the values formatter
+		const valuesFn = (config.values as unknown) as (
+			self: uPlot,
+			vals: unknown[],
+		) => string[];
+		const result = valuesFn({} as uPlot, [1, null, 2, Number.NaN]);
+
+		expect(getToolTipValue).toHaveBeenCalledTimes(2);
+		expect(getToolTipValue).toHaveBeenNthCalledWith(1, '1', 'ms', 3);
+		expect(getToolTipValue).toHaveBeenNthCalledWith(2, '2', 'ms', 3);
+
+		// Null/NaN values should map to empty strings
+		expect(result).toEqual(['formatted:1:ms:3', '', 'formatted:2:ms:3', '']);
+	});
+
+	it('adds dynamic size calculator only for Y-axis when size is not provided', () => {
+		const yBuilder = new UPlotAxisBuilder(
+			createAxisProps({
+				scaleKey: 'y',
+			}),
+		);
+		const xBuilder = new UPlotAxisBuilder(
+			createAxisProps({
+				scaleKey: 'x',
+			}),
+		);
+
+		const yConfig = yBuilder.getConfig();
+		const xConfig = xBuilder.getConfig();
+
+		expect(typeof yConfig.size).toBe('function');
+		expect(xConfig.size).toBeUndefined();
+	});
+
+	it('uses explicit size function when provided', () => {
+		const sizeFn: uPlot.Axis.Size = jest.fn(() => 100) as uPlot.Axis.Size;
+
+		const builder = new UPlotAxisBuilder(
+			createAxisProps({
+				scaleKey: 'y',
+				size: sizeFn,
+			}),
+		);
+
+		const config = builder.getConfig();
+		expect(config.size).toBe(sizeFn);
+	});
+
+	it('builds stroke color based on stroke and isDarkMode', () => {
+		const explicitStroke = new UPlotAxisBuilder(
+			createAxisProps({
+				stroke: '#ff0000',
+			}),
+		);
+		const darkStroke = new UPlotAxisBuilder(
+			createAxisProps({
+				stroke: undefined,
+				isDarkMode: true,
+			}),
+		);
+		const lightStroke = new UPlotAxisBuilder(
+			createAxisProps({
+				stroke: undefined,
+				isDarkMode: false,
+			}),
+		);
+
+		expect(explicitStroke.getConfig().stroke).toBe('#ff0000');
+		expect(darkStroke.getConfig().stroke).toBe('white');
+		expect(lightStroke.getConfig().stroke).toBe('black');
+	});
+
+	it('uses explicit values formatter when provided', () => {
+		const customValues: uPlot.Axis.Values = jest.fn(() => ['a', 'b', 'c']);
+
+		const builder = new UPlotAxisBuilder(
+			createAxisProps({
+				scaleKey: 'y',
+				values: customValues,
+			}),
+		);
+
+		const config = builder.getConfig();
+
+		expect(config.values).toBe(customValues);
+	});
+
+	it('returns undefined values for scaleKey neither x nor y', () => {
+		const builder = new UPlotAxisBuilder(createAxisProps({ scaleKey: 'custom' }));
+
+		const config = builder.getConfig();
+
+		expect(config.values).toBeUndefined();
+	});
+
+	it('includes space in config when provided', () => {
+		const builder = new UPlotAxisBuilder(
+			createAxisProps({ scaleKey: 'y', space: 50 }),
+		);
+
+		const config = builder.getConfig();
+
+		expect(config.space).toBe(50);
+	});
+
+	it('includes PANEL_TYPES.BAR and PANEL_TYPES.TIME_SERIES in X-axis datetime formatter', () => {
+		const barBuilder = new UPlotAxisBuilder(
+			createAxisProps({
+				scaleKey: 'x',
+				panelType: PANEL_TYPES.BAR,
+			}),
+		);
+		expect(barBuilder.getConfig().values).toBe(uPlotXAxisValuesFormat);
+
+		const timeSeriesBuilder = new UPlotAxisBuilder(
+			createAxisProps({
+				scaleKey: 'x',
+				panelType: PANEL_TYPES.TIME_SERIES,
+			}),
+		);
+		expect(timeSeriesBuilder.getConfig().values).toBe(uPlotXAxisValuesFormat);
+	});
+
+	it('should return the existing size when cycleNum > 1', () => {
+		const builder = new UPlotAxisBuilder(createAxisProps({ scaleKey: 'y' }));
+
+		const config = builder.getConfig();
+		const sizeFn = config.size;
+		expect(typeof sizeFn).toBe('function');
+
+		const mockAxis = {
+			_size: 80,
+			ticks: { size: 10 },
+			font: ['12px sans-serif'],
+		};
+		const mockSelf = ({
+			axes: [mockAxis],
+			ctx: { measureText: jest.fn(() => ({ width: 60 })), font: '' },
+		} as unknown) as uPlot;
+
+		const result = (sizeFn as (
+			s: uPlot,
+			v: string[],
+			a: number,
+			c: number,
+		) => number)(
+			mockSelf,
+			['100', '200'],
+			0,
+			2, // cycleNum > 1
+		);
+
+		expect(result).toBe(80);
+	});
+
+	it('should invoke the size calculator and compute from text width when cycleNum <= 1', () => {
+		const builder = new UPlotAxisBuilder(
+			createAxisProps({ scaleKey: 'y', gap: 8 }),
+		);
+
+		const config = builder.getConfig();
+		const sizeFn = config.size;
+		expect(typeof sizeFn).toBe('function');
+
+		const mockAxis = {
+			ticks: { size: 12 },
+			font: ['12px sans-serif'],
+		};
+		const measureText = jest.fn(() => ({ width: 48 }));
+		const mockSelf = ({
+			axes: [mockAxis],
+			ctx: {
+				measureText,
+				get font() {
+					return '';
+				},
+				set font(_v: string) {
+					/* noop */
+				},
+			},
+		} as unknown) as uPlot;
+
+		const result = (sizeFn as (
+			s: uPlot,
+			v: string[],
+			a: number,
+			c: number,
+		) => number)(
+			mockSelf,
+			['10', '2000ms'],
+			0,
+			0, // cycleNum <= 1
+		);
+
+		expect(measureText).toHaveBeenCalledWith('2000ms');
+		expect(result).toBeGreaterThanOrEqual(12 + 8);
+	});
+
+	it('merge updates axis props', () => {
+		const builder = new UPlotAxisBuilder(
+			createAxisProps({ scaleKey: 'y', label: 'Original' }),
+		);
+
+		builder.merge({ label: 'Merged', yAxisUnit: 'bytes' });
+
+		const config = builder.getConfig();
+
+		expect(config.label).toBe('Merged');
+		expect(config.values).toBeDefined();
+	});
+});

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

@@ -0,0 +1,337 @@
+import { PANEL_TYPES } from 'constants/queryBuilder';
+import uPlot from 'uplot';
+
+import type { SeriesProps } from '../types';
+import { DrawStyle, SelectionPreferencesSource } from '../types';
+import { UPlotConfigBuilder } from '../UPlotConfigBuilder';
+
+// Mock only the real boundary that hits localStorage
+jest.mock(
+	'container/DashboardContainer/visualization/panels/utils/legendVisibilityUtils',
+	() => ({
+		getStoredSeriesVisibility: jest.fn(),
+	}),
+);
+
+const getStoredSeriesVisibilityMock = jest.requireMock(
+	'container/DashboardContainer/visualization/panels/utils/legendVisibilityUtils',
+) as {
+	getStoredSeriesVisibility: jest.Mock;
+};
+
+describe('UPlotConfigBuilder', () => {
+	beforeEach(() => {
+		jest.clearAllMocks();
+	});
+
+	const createSeriesProps = (
+		overrides: Partial<SeriesProps> = {},
+	): SeriesProps => ({
+		scaleKey: 'y',
+		label: 'Requests',
+		colorMapping: {},
+		drawStyle: DrawStyle.Line,
+		panelType: PANEL_TYPES.TIME_SERIES,
+		...overrides,
+	});
+
+	it('returns correct save selection preference flag from constructor args', () => {
+		const builder = new UPlotConfigBuilder({
+			shouldSaveSelectionPreference: true,
+		});
+
+		expect(builder.getShouldSaveSelectionPreference()).toBe(true);
+	});
+
+	it('returns widgetId from constructor args', () => {
+		const builder = new UPlotConfigBuilder({ widgetId: 'widget-123' });
+
+		expect(builder.getWidgetId()).toBe('widget-123');
+	});
+
+	it('sets tzDate from constructor and includes it in config', () => {
+		const tzDate = (ts: number): Date => new Date(ts);
+		const builder = new UPlotConfigBuilder({ tzDate });
+
+		const config = builder.getConfig();
+
+		expect(config.tzDate).toBe(tzDate);
+	});
+
+	it('does not call onDragSelect for click without drag (width === 0)', () => {
+		const onDragSelect = jest.fn();
+		const builder = new UPlotConfigBuilder({ onDragSelect });
+
+		const config = builder.getConfig();
+		const setSelectHooks = config.hooks?.setSelect ?? [];
+		expect(setSelectHooks.length).toBe(1);
+
+		const uplotInstance = ({
+			select: { left: 10, width: 0 },
+			posToVal: jest.fn(),
+		} as unknown) as uPlot;
+
+		// Simulate uPlot calling the hook
+		const setSelectHook = setSelectHooks[0];
+		setSelectHook!(uplotInstance);
+
+		expect(onDragSelect).not.toHaveBeenCalled();
+	});
+
+	it('calls onDragSelect with start and end times in milliseconds for a drag selection', () => {
+		const onDragSelect = jest.fn();
+		const builder = new UPlotConfigBuilder({ onDragSelect });
+
+		const config = builder.getConfig();
+		const setSelectHooks = config.hooks?.setSelect ?? [];
+		expect(setSelectHooks.length).toBe(1);
+
+		const posToVal = jest
+			.fn()
+			// left position
+			.mockReturnValueOnce(100)
+			// left + width
+			.mockReturnValueOnce(110);
+
+		const uplotInstance = ({
+			select: { left: 50, width: 20 },
+			posToVal,
+		} as unknown) as uPlot;
+
+		const setSelectHook = setSelectHooks[0];
+		setSelectHook!(uplotInstance);
+
+		expect(onDragSelect).toHaveBeenCalledTimes(1);
+		// 100 and 110 seconds converted to milliseconds
+		expect(onDragSelect).toHaveBeenCalledWith(100_000, 110_000);
+	});
+
+	it('adds and removes hooks via addHook, and exposes them through getConfig', () => {
+		const builder = new UPlotConfigBuilder();
+		const drawHook = jest.fn();
+
+		const remove = builder.addHook('draw', drawHook as uPlot.Hooks.Defs['draw']);
+
+		let config = builder.getConfig();
+		expect(config.hooks?.draw).toContain(drawHook);
+
+		// Remove and ensure it no longer appears in config
+		remove();
+		config = builder.getConfig();
+		expect(config.hooks?.draw ?? []).not.toContain(drawHook);
+	});
+
+	it('adds axes, scales, and series and wires them into the final config', () => {
+		const builder = new UPlotConfigBuilder();
+
+		// Add axis and scale
+		builder.addAxis({ scaleKey: 'y', label: 'Requests' });
+		builder.addScale({ scaleKey: 'y' });
+
+		// Add two series – legend indices should start from 1 (0 is the timestamp series)
+		builder.addSeries(createSeriesProps({ label: 'Requests' }));
+		builder.addSeries(createSeriesProps({ label: 'Errors' }));
+
+		const config = builder.getConfig();
+
+		// Axes
+		expect(config.axes).toHaveLength(1);
+		expect(config.axes?.[0].scale).toBe('y');
+
+		// Scales are returned as an object keyed by scaleKey
+		expect(config.scales).toBeDefined();
+		expect(Object.keys(config.scales ?? {})).toContain('y');
+
+		// Series: base timestamp + 2 data series
+		expect(config.series).toHaveLength(3);
+		// Base series (index 0) has a value formatter that returns empty string
+		const baseSeries = config.series?.[0] as { value?: () => string };
+		expect(typeof baseSeries?.value).toBe('function');
+		expect(baseSeries?.value?.()).toBe('');
+
+		// Legend items align with series and carry label and color from series config
+		const legendItems = builder.getLegendItems();
+		expect(Object.keys(legendItems)).toEqual(['1', '2']);
+		expect(legendItems[1].seriesIndex).toBe(1);
+		expect(legendItems[1].label).toBe('Requests');
+		expect(legendItems[2].label).toBe('Errors');
+	});
+
+	it('merges axis when addAxis is called twice with same scaleKey', () => {
+		const builder = new UPlotConfigBuilder();
+
+		builder.addAxis({ scaleKey: 'y', label: 'Requests' });
+		builder.addAxis({ scaleKey: 'y', label: 'Updated Label', show: false });
+
+		const config = builder.getConfig();
+
+		expect(config.axes).toHaveLength(1);
+		expect(config.axes?.[0].label).toBe('Updated Label');
+		expect(config.axes?.[0].show).toBe(false);
+	});
+
+	it('merges scale when addScale is called twice with same scaleKey', () => {
+		const builder = new UPlotConfigBuilder();
+
+		builder.addScale({ scaleKey: 'y', min: 0 });
+		builder.addScale({ scaleKey: 'y', max: 100 });
+
+		const config = builder.getConfig();
+
+		// Only one scale entry for 'y' (merge path used, no duplicate added)
+		expect(config.scales).toBeDefined();
+		const scales = config.scales ?? {};
+		expect(Object.keys(scales)).toEqual(['y']);
+		expect(scales.y?.range).toBeDefined();
+	});
+
+	it('restores visibility state from localStorage when selectionPreferencesSource is LOCAL_STORAGE', () => {
+		// Index 0 = x-axis/time; indices 1,2 = data series (Requests, Errors). resolveSeriesVisibility matches by seriesIndex + seriesLabel.
+		getStoredSeriesVisibilityMock.getStoredSeriesVisibility.mockReturnValue({
+			labels: ['x-axis', 'Requests', 'Errors'],
+			visibility: [true, true, false],
+		});
+
+		const builder = new UPlotConfigBuilder({
+			widgetId: 'widget-1',
+			selectionPreferencesSource: SelectionPreferencesSource.LOCAL_STORAGE,
+		});
+
+		builder.addSeries(createSeriesProps({ label: 'Requests' }));
+		builder.addSeries(createSeriesProps({ label: 'Errors' }));
+
+		const legendItems = builder.getLegendItems();
+
+		// When any series is hidden, legend visibility is driven by the stored map
+		expect(legendItems[1].show).toBe(true);
+		expect(legendItems[2].show).toBe(false);
+
+		const config = builder.getConfig();
+		const [, firstSeries, secondSeries] = config.series ?? [];
+
+		expect(firstSeries?.show).toBe(true);
+		expect(secondSeries?.show).toBe(false);
+	});
+
+	it('does not attempt to read stored visibility when using in-memory preferences', () => {
+		const builder = new UPlotConfigBuilder({
+			widgetId: 'widget-1',
+			selectionPreferencesSource: SelectionPreferencesSource.IN_MEMORY,
+		});
+
+		builder.addSeries(createSeriesProps({ label: 'Requests' }));
+
+		builder.getLegendItems();
+		builder.getConfig();
+
+		expect(
+			getStoredSeriesVisibilityMock.getStoredSeriesVisibility,
+		).not.toHaveBeenCalled();
+	});
+
+	it('adds thresholds only once per scale key', () => {
+		const builder = new UPlotConfigBuilder();
+
+		const thresholdsOptions = {
+			scaleKey: 'y',
+			thresholds: [{ thresholdValue: 100 }],
+		};
+
+		builder.addThresholds(thresholdsOptions);
+		builder.addThresholds(thresholdsOptions);
+
+		const config = builder.getConfig();
+		const drawHooks = config.hooks?.draw ?? [];
+
+		// Only a single draw hook should be registered for the same scaleKey
+		expect(drawHooks.length).toBe(1);
+	});
+
+	it('adds multiple thresholds when scale key is different', () => {
+		const builder = new UPlotConfigBuilder();
+
+		const thresholdsOptions = {
+			scaleKey: 'y',
+			thresholds: [{ thresholdValue: 100 }],
+		};
+		builder.addThresholds(thresholdsOptions);
+		const thresholdsOptions2 = {
+			scaleKey: 'y2',
+			thresholds: [{ thresholdValue: 200 }],
+		};
+		builder.addThresholds(thresholdsOptions2);
+
+		const config = builder.getConfig();
+		const drawHooks = config.hooks?.draw ?? [];
+
+		// Two draw hooks should be registered for different scaleKeys
+		expect(drawHooks.length).toBe(2);
+	});
+
+	it('merges cursor configuration with defaults instead of replacing them', () => {
+		const builder = new UPlotConfigBuilder();
+
+		builder.setCursor({
+			drag: { setScale: false },
+		});
+
+		const config = builder.getConfig();
+
+		expect(config.cursor?.drag?.setScale).toBe(false);
+		// Points configuration from DEFAULT_CURSOR_CONFIG should still be present
+		expect(config.cursor?.points).toBeDefined();
+	});
+
+	it('adds plugins and includes them in config', () => {
+		const builder = new UPlotConfigBuilder();
+		const plugin: uPlot.Plugin = {
+			opts: (): void => {},
+			hooks: {},
+		};
+
+		builder.addPlugin(plugin);
+
+		const config = builder.getConfig();
+
+		expect(config.plugins).toContain(plugin);
+	});
+
+	it('sets padding, legend, focus, select, tzDate, bands and includes them in config', () => {
+		const tzDate = (ts: number): Date => new Date(ts);
+		const builder = new UPlotConfigBuilder();
+
+		const bands: uPlot.Band[] = [{ series: [1, 2], fill: (): string => '#000' }];
+
+		builder.setBands(bands);
+		builder.setPadding([10, 20, 30, 40]);
+		builder.setLegend({ show: true, live: true });
+		builder.setFocus({ alpha: 0.5 });
+		builder.setSelect({ left: 0, width: 0, top: 0, height: 0 });
+		builder.setTzDate(tzDate);
+
+		const config = builder.getConfig();
+
+		expect(config.bands).toEqual(bands);
+		expect(config.padding).toEqual([10, 20, 30, 40]);
+		expect(config.legend).toEqual({ show: true, live: true });
+		expect(config.focus).toEqual({ alpha: 0.5 });
+		expect(config.select).toEqual({ left: 0, width: 0, top: 0, height: 0 });
+		expect(config.tzDate).toBe(tzDate);
+	});
+
+	it('does not include plugins when none added', () => {
+		const builder = new UPlotConfigBuilder();
+
+		const config = builder.getConfig();
+
+		expect(config.plugins).toBeUndefined();
+	});
+
+	it('does not include bands when empty', () => {
+		const builder = new UPlotConfigBuilder();
+
+		const config = builder.getConfig();
+
+		expect(config.bands).toBeUndefined();
+	});
+});

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

@@ -0,0 +1,236 @@
+import type uPlot from 'uplot';
+
+import * as scaleUtils from '../../utils/scale';
+import type { ScaleProps } from '../types';
+import { DistributionType } from '../types';
+import { UPlotScaleBuilder } from '../UPlotScaleBuilder';
+
+const createScaleProps = (overrides: Partial<ScaleProps> = {}): ScaleProps => ({
+	scaleKey: 'y',
+	time: false,
+	auto: undefined,
+	min: undefined,
+	max: undefined,
+	softMin: undefined,
+	softMax: undefined,
+	distribution: DistributionType.Linear,
+	...overrides,
+});
+
+describe('UPlotScaleBuilder', () => {
+	const getFallbackMinMaxSpy = jest.spyOn(
+		scaleUtils,
+		'getFallbackMinMaxTimeStamp',
+	);
+
+	beforeEach(() => {
+		jest.clearAllMocks();
+	});
+
+	it('initializes softMin/softMax correctly when both are 0 (treated as unset)', () => {
+		const builder = new UPlotScaleBuilder(
+			createScaleProps({
+				softMin: 0,
+				softMax: 0,
+			}),
+		);
+
+		// Non-time scale so config path uses thresholds pipeline; we just care that
+		// adjustSoftLimitsWithThresholds receives null soft limits instead of 0/0.
+		const adjustSpy = jest.spyOn(scaleUtils, 'adjustSoftLimitsWithThresholds');
+
+		builder.getConfig();
+
+		expect(adjustSpy).toHaveBeenCalledWith(null, null, undefined, undefined);
+	});
+
+	it('handles time scales using explicit min/max and rounds max down to the previous minute', () => {
+		const min = 1_700_000_000; // seconds
+		const max = 1_700_000_600; // seconds
+
+		const builder = new UPlotScaleBuilder(
+			createScaleProps({
+				scaleKey: 'x',
+				time: true,
+				min,
+				max,
+			}),
+		);
+
+		const config = builder.getConfig();
+		const xScale = config.x;
+
+		expect(xScale.time).toBe(true);
+		expect(xScale.auto).toBe(false);
+		expect(Array.isArray(xScale.range)).toBe(true);
+
+		const [resolvedMin, resolvedMax] = xScale.range as [number, number];
+
+		// min is passed through
+		expect(resolvedMin).toBe(min);
+
+		// max is coerced to "endTime - 1 minute" and rounded down to minute precision
+		const oneMinuteAgoTimestamp = (max - 60) * 1000;
+		const currentDate = new Date(oneMinuteAgoTimestamp);
+		currentDate.setSeconds(0);
+		currentDate.setMilliseconds(0);
+		const expectedMax = Math.floor(currentDate.getTime() / 1000);
+
+		expect(resolvedMax).toBe(expectedMax);
+	});
+
+	it('falls back to getFallbackMinMaxTimeStamp when time scale has no min/max', () => {
+		getFallbackMinMaxSpy.mockReturnValue({
+			fallbackMin: 100,
+			fallbackMax: 200,
+		});
+
+		const builder = new UPlotScaleBuilder(
+			createScaleProps({
+				scaleKey: 'x',
+				time: true,
+				min: undefined,
+				max: undefined,
+			}),
+		);
+
+		const config = builder.getConfig();
+		const [resolvedMin, resolvedMax] = config.x.range as [number, number];
+
+		expect(getFallbackMinMaxSpy).toHaveBeenCalled();
+		expect(resolvedMin).toBe(100);
+		// max is aligned to "fallbackMax - 60 seconds" minute boundary
+		expect(resolvedMax).toBeLessThanOrEqual(200);
+		expect(resolvedMax).toBeGreaterThan(100);
+	});
+
+	it('pipes limits through soft-limit adjustment and log-scale normalization before range config', () => {
+		const adjustSpy = jest.spyOn(scaleUtils, 'adjustSoftLimitsWithThresholds');
+		const normalizeSpy = jest.spyOn(scaleUtils, 'normalizeLogScaleLimits');
+		const getRangeConfigSpy = jest.spyOn(scaleUtils, 'getRangeConfig');
+
+		const thresholds = {
+			scaleKey: 'y',
+			thresholds: [{ thresholdValue: 10 }],
+			yAxisUnit: 'ms',
+		};
+
+		const builder = new UPlotScaleBuilder(
+			createScaleProps({
+				softMin: 1,
+				softMax: 5,
+				min: 0,
+				max: 100,
+				distribution: DistributionType.Logarithmic,
+				thresholds,
+				logBase: 2,
+				padMinBy: 0.1,
+				padMaxBy: 0.2,
+			}),
+		);
+
+		builder.getConfig();
+
+		expect(adjustSpy).toHaveBeenCalledWith(1, 5, thresholds.thresholds, 'ms');
+		expect(normalizeSpy).toHaveBeenCalledWith({
+			distr: DistributionType.Logarithmic,
+			logBase: 2,
+			limits: {
+				min: 0,
+				max: 100,
+				softMin: expect.anything(),
+				softMax: expect.anything(),
+			},
+		});
+		expect(getRangeConfigSpy).toHaveBeenCalled();
+	});
+
+	it('computes distribution config for non-time scales and wires range function when range is not provided', () => {
+		const createRangeFnSpy = jest.spyOn(scaleUtils, 'createRangeFunction');
+
+		const builder = new UPlotScaleBuilder(
+			createScaleProps({
+				scaleKey: 'y',
+				time: false,
+				distribution: DistributionType.Linear,
+			}),
+		);
+
+		const config = builder.getConfig();
+		const yScale = config.y;
+
+		expect(createRangeFnSpy).toHaveBeenCalled();
+
+		// range should be a function when not provided explicitly
+		expect(typeof yScale.range).toBe('function');
+
+		// distribution config should be applied
+		expect(yScale.distr).toBeDefined();
+		expect(yScale.log).toBeDefined();
+	});
+
+	it('respects explicit range function when provided on props', () => {
+		const explicitRange: uPlot.Scale.Range = jest.fn(() => [
+			0,
+			10,
+		]) as uPlot.Scale.Range;
+
+		const builder = new UPlotScaleBuilder(
+			createScaleProps({
+				scaleKey: 'y',
+				range: explicitRange,
+			}),
+		);
+
+		const config = builder.getConfig();
+		const yScale = config.y;
+
+		expect(yScale.range).toBe(explicitRange);
+	});
+
+	it('derives auto flag when not explicitly provided, based on hasFixedRange and time', () => {
+		const getRangeConfigSpy = jest.spyOn(scaleUtils, 'getRangeConfig');
+
+		const builder = new UPlotScaleBuilder(
+			createScaleProps({
+				min: 0,
+				max: 100,
+				time: false,
+			}),
+		);
+
+		const config = builder.getConfig();
+		const yScale = config.y;
+
+		expect(getRangeConfigSpy).toHaveBeenCalled();
+		// For non-time scale with fixed min/max, hasFixedRange is true → auto should remain false
+		expect(yScale.auto).toBe(false);
+	});
+
+	it('merge updates internal min/max/soft limits while preserving other props', () => {
+		const builder = new UPlotScaleBuilder(
+			createScaleProps({
+				scaleKey: 'y',
+				min: 0,
+				max: 10,
+				softMin: 1,
+				softMax: 9,
+				time: false,
+			}),
+		);
+
+		builder.merge({
+			min: 2,
+			softMax: undefined,
+		});
+
+		expect(builder.props.min).toBe(2);
+		expect(builder.props.softMax).toBe(undefined);
+		expect(builder.props.max).toBe(10);
+		expect(builder.props.softMin).toBe(1);
+		expect(builder.props.time).toBe(false);
+		expect(builder.props.scaleKey).toBe('y');
+		expect(builder.props.distribution).toBe(DistributionType.Linear);
+		expect(builder.props.thresholds).toBe(undefined);
+	});
+});

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

@@ -0,0 +1,295 @@
+import { PANEL_TYPES } from 'constants/queryBuilder';
+import { themeColors } from 'constants/theme';
+import uPlot from 'uplot';
+
+import type { SeriesProps } from '../types';
+import {
+	DrawStyle,
+	LineInterpolation,
+	LineStyle,
+	VisibilityMode,
+} from '../types';
+import { UPlotSeriesBuilder } from '../UPlotSeriesBuilder';
+
+const createBaseProps = (
+	overrides: Partial<SeriesProps> = {},
+): SeriesProps => ({
+	scaleKey: 'y',
+	label: 'Requests',
+	colorMapping: {},
+	drawStyle: DrawStyle.Line,
+	isDarkMode: false,
+	panelType: PANEL_TYPES.TIME_SERIES,
+	...overrides,
+});
+
+interface MockPath extends uPlot.Series.Paths {
+	name?: string;
+}
+
+describe('UPlotSeriesBuilder', () => {
+	it('maps basic props into uPlot series config', () => {
+		const builder = new UPlotSeriesBuilder(
+			createBaseProps({
+				label: 'Latency',
+				spanGaps: true,
+				show: false,
+			}),
+		);
+
+		const config = builder.getConfig();
+
+		expect(config.scale).toBe('y');
+		expect(config.label).toBe('Latency');
+		expect(config.spanGaps).toBe(true);
+		expect(config.show).toBe(false);
+		expect(config.pxAlign).toBe(true);
+		expect(typeof config.value).toBe('function');
+	});
+
+	it('uses explicit lineColor when provided, regardless of mapping', () => {
+		const builder = new UPlotSeriesBuilder(
+			createBaseProps({
+				lineColor: '#ff00ff',
+				colorMapping: { Requests: '#00ff00' },
+			}),
+		);
+
+		const config = builder.getConfig();
+
+		expect(config.stroke).toBe('#ff00ff');
+	});
+
+	it('falls back to theme colors when no label is provided', () => {
+		const darkBuilder = new UPlotSeriesBuilder(
+			createBaseProps({
+				label: undefined,
+				isDarkMode: true,
+				lineColor: undefined,
+			}),
+		);
+		const lightBuilder = new UPlotSeriesBuilder(
+			createBaseProps({
+				label: undefined,
+				isDarkMode: false,
+				lineColor: undefined,
+			}),
+		);
+
+		const darkConfig = darkBuilder.getConfig();
+		const lightConfig = lightBuilder.getConfig();
+
+		expect(darkConfig.stroke).toBe(themeColors.white);
+		expect(lightConfig.stroke).toBe(themeColors.black);
+	});
+
+	it('uses colorMapping when available and no explicit lineColor is provided', () => {
+		const builder = new UPlotSeriesBuilder(
+			createBaseProps({
+				label: 'Requests',
+				colorMapping: { Requests: '#123456' },
+				lineColor: undefined,
+			}),
+		);
+
+		const config = builder.getConfig();
+
+		expect(config.stroke).toBe('#123456');
+	});
+
+	it('passes through a custom pathBuilder when provided', () => {
+		const customPaths = (jest.fn() as unknown) as uPlot.Series.PathBuilder;
+
+		const builder = new UPlotSeriesBuilder(
+			createBaseProps({
+				pathBuilder: customPaths,
+			}),
+		);
+
+		const config = builder.getConfig();
+
+		expect(config.paths).toBe(customPaths);
+	});
+
+	it('does not build line paths when drawStyle is Points, but still renders points', () => {
+		const builder = new UPlotSeriesBuilder(
+			createBaseProps({
+				drawStyle: DrawStyle.Points,
+				pointSize: 4,
+				lineWidth: 2,
+				lineColor: '#aa00aa',
+			}),
+		);
+
+		const config = builder.getConfig();
+
+		expect(typeof config.paths).toBe('function');
+		expect(config.paths && config.paths({} as uPlot, 1, 0, 10)).toBeNull();
+
+		expect(config.points).toBeDefined();
+		expect(config.points?.stroke).toBe('#aa00aa');
+		expect(config.points?.fill).toBe('#aa00aa');
+		expect(config.points?.show).toBe(true);
+		expect(config.points?.size).toBe(4);
+	});
+
+	it('derives point size based on lineWidth and pointSize', () => {
+		const smallPointsBuilder = new UPlotSeriesBuilder(
+			createBaseProps({
+				lineWidth: 4,
+				pointSize: 2,
+			}),
+		);
+		const largePointsBuilder = new UPlotSeriesBuilder(
+			createBaseProps({
+				lineWidth: 2,
+				pointSize: 4,
+			}),
+		);
+
+		const smallConfig = smallPointsBuilder.getConfig();
+		const largeConfig = largePointsBuilder.getConfig();
+
+		expect(smallConfig.points?.size).toBeUndefined();
+		expect(largeConfig.points?.size).toBe(4);
+	});
+
+	it('uses pointsBuilder when provided instead of default visibility logic', () => {
+		const pointsBuilder: uPlot.Series.Points.Show = jest.fn(
+			() => true,
+		) as uPlot.Series.Points.Show;
+
+		const builder = new UPlotSeriesBuilder(
+			createBaseProps({
+				pointsBuilder,
+				drawStyle: DrawStyle.Line,
+			}),
+		);
+
+		const config = builder.getConfig();
+
+		expect(config.points?.show).toBe(pointsBuilder);
+	});
+
+	it('respects VisibilityMode for point visibility when no custom pointsBuilder is given', () => {
+		const neverPointsBuilder = new UPlotSeriesBuilder(
+			createBaseProps({
+				drawStyle: DrawStyle.Line,
+				showPoints: VisibilityMode.Never,
+			}),
+		);
+		const alwaysPointsBuilder = new UPlotSeriesBuilder(
+			createBaseProps({
+				drawStyle: DrawStyle.Line,
+				showPoints: VisibilityMode.Always,
+			}),
+		);
+
+		const neverConfig = neverPointsBuilder.getConfig();
+		const alwaysConfig = alwaysPointsBuilder.getConfig();
+
+		expect(neverConfig.points?.show).toBe(false);
+		expect(alwaysConfig.points?.show).toBe(true);
+	});
+
+	it('applies LineStyle.Dashed and lineCap to line config', () => {
+		const builder = new UPlotSeriesBuilder(
+			createBaseProps({
+				lineStyle: LineStyle.Dashed,
+				lineCap: 'round' as CanvasLineCap,
+			}),
+		);
+
+		const config = builder.getConfig();
+
+		expect(config.dash).toEqual([10, 10]);
+		expect(config.cap).toBe('round');
+	});
+
+	it('builds default paths for Line drawStyle and invokes the path builder', () => {
+		const builder = new UPlotSeriesBuilder(
+			createBaseProps({
+				drawStyle: DrawStyle.Line,
+				lineInterpolation: LineInterpolation.Linear,
+			}),
+		);
+
+		const config = builder.getConfig();
+
+		const result = config.paths?.({} as uPlot, 1, 0, 10);
+		expect((result as MockPath).name).toBe('linear');
+	});
+
+	it('uses StepBefore and StepAfter interpolation for line paths', () => {
+		const stepBeforeBuilder = new UPlotSeriesBuilder(
+			createBaseProps({
+				drawStyle: DrawStyle.Line,
+				lineInterpolation: LineInterpolation.StepBefore,
+			}),
+		);
+		const stepAfterBuilder = new UPlotSeriesBuilder(
+			createBaseProps({
+				drawStyle: DrawStyle.Line,
+				lineInterpolation: LineInterpolation.StepAfter,
+			}),
+		);
+
+		const stepBeforeConfig = stepBeforeBuilder.getConfig();
+		const stepAfterConfig = stepAfterBuilder.getConfig();
+		const stepBeforePath = stepBeforeConfig.paths?.({} as uPlot, 1, 0, 5);
+		const stepAfterPath = stepAfterConfig.paths?.({} as uPlot, 1, 0, 5);
+		expect((stepBeforePath as MockPath).name).toBe('stepped-(-1)');
+		expect((stepAfterPath as MockPath).name).toBe('stepped-(1)');
+	});
+
+	it('defaults to spline interpolation when lineInterpolation is Spline or undefined', () => {
+		const splineBuilder = new UPlotSeriesBuilder(
+			createBaseProps({
+				drawStyle: DrawStyle.Line,
+				lineInterpolation: LineInterpolation.Spline,
+			}),
+		);
+		const defaultBuilder = new UPlotSeriesBuilder(
+			createBaseProps({ drawStyle: DrawStyle.Line }),
+		);
+
+		const splineConfig = splineBuilder.getConfig();
+		const defaultConfig = defaultBuilder.getConfig();
+
+		const splinePath = splineConfig.paths?.({} as uPlot, 1, 0, 10);
+		const defaultPath = defaultConfig.paths?.({} as uPlot, 1, 0, 10);
+
+		expect((splinePath as MockPath).name).toBe('spline');
+		expect((defaultPath as MockPath).name).toBe('spline');
+	});
+
+	it('uses generateColor when label has no colorMapping and no lineColor', () => {
+		const builder = new UPlotSeriesBuilder(
+			createBaseProps({
+				label: 'CustomSeries',
+				colorMapping: {},
+				lineColor: undefined,
+			}),
+		);
+
+		const config = builder.getConfig();
+		expect(config.stroke).toBe('#E64A3C');
+	});
+
+	it('passes through pointsFilter when provided', () => {
+		const pointsFilter: uPlot.Series.Points.Filter = jest.fn(
+			(_self, _seriesIdx, _show) => null,
+		);
+
+		const builder = new UPlotSeriesBuilder(
+			createBaseProps({
+				pointsFilter,
+				drawStyle: DrawStyle.Line,
+			}),
+		);
+
+		const config = builder.getConfig();
+
+		expect(config.points?.filter).toBe(pointsFilter);
+	});
+});

frontend/src/lib/uPlotV2/context/__tests__/PlotContext.test.tsx

@@ -0,0 +1,395 @@
+import { render, screen } from '@testing-library/react';
+import userEvent from '@testing-library/user-event';
+import { updateSeriesVisibilityToLocalStorage } from 'container/DashboardContainer/visualization/panels/utils/legendVisibilityUtils';
+import {
+	PlotContextProvider,
+	usePlotContext,
+} from 'lib/uPlotV2/context/PlotContext';
+import type uPlot from 'uplot';
+
+jest.mock(
+	'container/DashboardContainer/visualization/panels/utils/legendVisibilityUtils',
+	() => ({
+		updateSeriesVisibilityToLocalStorage: jest.fn(),
+	}),
+);
+
+const mockUpdateSeriesVisibilityToLocalStorage = updateSeriesVisibilityToLocalStorage as jest.MockedFunction<
+	typeof updateSeriesVisibilityToLocalStorage
+>;
+
+interface MockSeries extends Partial<uPlot.Series> {
+	label?: string;
+	show?: boolean;
+}
+
+const createMockPlot = (series: MockSeries[] = []): uPlot =>
+	(({
+		series,
+		batch: jest.fn((fn: () => void) => fn()),
+		setSeries: jest.fn(),
+	} as unknown) as uPlot);
+
+interface TestComponentProps {
+	plot?: uPlot;
+	widgetId?: string;
+	shouldSaveSelectionPreference?: boolean;
+}
+
+const TestComponent = ({
+	plot,
+	widgetId,
+	shouldSaveSelectionPreference,
+}: TestComponentProps): JSX.Element => {
+	const {
+		setPlotContextInitialState,
+		syncSeriesVisibilityToLocalStorage,
+		onToggleSeriesVisibility,
+		onToggleSeriesOnOff,
+		onFocusSeries,
+	} = usePlotContext();
+	const handleInit = (): void => {
+		if (
+			!plot ||
+			!widgetId ||
+			typeof shouldSaveSelectionPreference !== 'boolean'
+		) {
+			return;
+		}
+
+		setPlotContextInitialState({
+			uPlotInstance: plot,
+			widgetId,
+			shouldSaveSelectionPreference,
+		});
+	};
+
+	return (
+		<div>
+			<button type="button" data-testid="init" onClick={handleInit}>
+				Init
+			</button>
+			<button
+				type="button"
+				data-testid="sync-visibility"
+				onClick={(): void => syncSeriesVisibilityToLocalStorage()}
+			>
+				Sync visibility
+			</button>
+			<button
+				type="button"
+				data-testid="toggle-visibility"
+				onClick={(): void => onToggleSeriesVisibility(1)}
+			>
+				Toggle visibility
+			</button>
+			<button
+				type="button"
+				data-testid="toggle-on-off-1"
+				onClick={(): void => onToggleSeriesOnOff(1)}
+			>
+				Toggle on/off 1
+			</button>
+			<button
+				type="button"
+				data-testid="toggle-on-off-5"
+				onClick={(): void => onToggleSeriesOnOff(5)}
+			>
+				Toggle on/off 5
+			</button>
+			<button
+				type="button"
+				data-testid="focus-series"
+				onClick={(): void => onFocusSeries(1)}
+			>
+				Focus series
+			</button>
+		</div>
+	);
+};
+
+describe('PlotContext', () => {
+	afterEach(() => {
+		jest.clearAllMocks();
+	});
+
+	it('throws when usePlotContext is used outside provider', () => {
+		const Consumer = (): JSX.Element => {
+			// eslint-disable-next-line react-hooks/rules-of-hooks
+			usePlotContext();
+			return <div />;
+		};
+
+		expect(() => render(<Consumer />)).toThrow(
+			'Should be used inside the context',
+		);
+	});
+
+	it('syncSeriesVisibilityToLocalStorage does nothing without plot or widgetId', async () => {
+		const user = userEvent.setup();
+
+		render(
+			<PlotContextProvider>
+				<TestComponent />
+			</PlotContextProvider>,
+		);
+
+		await user.click(screen.getByTestId('sync-visibility'));
+
+		expect(mockUpdateSeriesVisibilityToLocalStorage).not.toHaveBeenCalled();
+	});
+
+	it('syncSeriesVisibilityToLocalStorage serializes series visibility to localStorage helper', async () => {
+		const user = userEvent.setup();
+		const plot = createMockPlot([
+			{ label: 'x-axis', show: true },
+			{ label: 'CPU', show: true },
+			{ label: 'Memory', show: false },
+		]);
+
+		render(
+			<PlotContextProvider>
+				<TestComponent
+					plot={plot}
+					widgetId="widget-123"
+					shouldSaveSelectionPreference
+				/>
+			</PlotContextProvider>,
+		);
+
+		await user.click(screen.getByTestId('init'));
+		await user.click(screen.getByTestId('sync-visibility'));
+
+		expect(mockUpdateSeriesVisibilityToLocalStorage).toHaveBeenCalledTimes(1);
+		expect(mockUpdateSeriesVisibilityToLocalStorage).toHaveBeenCalledWith(
+			'widget-123',
+			[
+				{ label: 'x-axis', show: true },
+				{ label: 'CPU', show: true },
+				{ label: 'Memory', show: false },
+			],
+		);
+	});
+
+	describe('onToggleSeriesVisibility', () => {
+		it('does nothing when plot instance is not set', async () => {
+			const user = userEvent.setup();
+
+			render(
+				<PlotContextProvider>
+					<TestComponent />
+				</PlotContextProvider>,
+			);
+
+			await user.click(screen.getByTestId('toggle-visibility'));
+
+			// No errors and no calls to localStorage helper
+			expect(mockUpdateSeriesVisibilityToLocalStorage).not.toHaveBeenCalled();
+		});
+
+		it('highlights a single series and saves visibility when preferences are enabled', async () => {
+			const user = userEvent.setup();
+			const series: MockSeries[] = [
+				{ label: 'x-axis', show: true },
+				{ label: 'CPU', show: true },
+				{ label: 'Memory', show: true },
+			];
+			const plot = createMockPlot(series);
+
+			render(
+				<PlotContextProvider>
+					<TestComponent
+						plot={plot}
+						widgetId="widget-visibility"
+						shouldSaveSelectionPreference
+					/>
+				</PlotContextProvider>,
+			);
+
+			await user.click(screen.getByTestId('init'));
+			await user.click(screen.getByTestId('toggle-visibility'));
+
+			const setSeries = (plot.setSeries as jest.Mock).mock.calls;
+
+			// index 0 is skipped, so we expect calls for 1 and 2
+			expect(setSeries).toEqual([
+				[1, { show: true }],
+				[2, { show: false }],
+			]);
+
+			expect(mockUpdateSeriesVisibilityToLocalStorage).toHaveBeenCalledTimes(1);
+			expect(mockUpdateSeriesVisibilityToLocalStorage).toHaveBeenCalledWith(
+				'widget-visibility',
+				[
+					{ label: 'x-axis', show: true },
+					{ label: 'CPU', show: true },
+					{ label: 'Memory', show: true },
+				],
+			);
+		});
+
+		it('resets visibility for all series when toggling the same index again', async () => {
+			const user = userEvent.setup();
+			const series: MockSeries[] = [
+				{ label: 'x-axis', show: true },
+				{ label: 'CPU', show: true },
+				{ label: 'Memory', show: true },
+			];
+			const plot = createMockPlot(series);
+
+			render(
+				<PlotContextProvider>
+					<TestComponent
+						plot={plot}
+						widgetId="widget-reset"
+						shouldSaveSelectionPreference
+					/>
+				</PlotContextProvider>,
+			);
+
+			await user.click(screen.getByTestId('init'));
+			await user.click(screen.getByTestId('toggle-visibility'));
+
+			(plot.setSeries as jest.Mock).mockClear();
+
+			await user.click(screen.getByTestId('toggle-visibility'));
+
+			const setSeries = (plot.setSeries as jest.Mock).mock.calls;
+
+			// After reset, all non-zero series should be shown
+			expect(setSeries).toEqual([
+				[1, { show: true }],
+				[2, { show: true }],
+			]);
+		});
+	});
+
+	describe('onToggleSeriesOnOff', () => {
+		it('does nothing when plot instance is not set', async () => {
+			const user = userEvent.setup();
+
+			render(
+				<PlotContextProvider>
+					<TestComponent />
+				</PlotContextProvider>,
+			);
+
+			await user.click(screen.getByTestId('toggle-on-off-1'));
+
+			expect(mockUpdateSeriesVisibilityToLocalStorage).not.toHaveBeenCalled();
+		});
+
+		it('toggles series show flag and saves visibility when preferences are enabled', async () => {
+			const user = userEvent.setup();
+			const series: MockSeries[] = [
+				{ label: 'x-axis', show: true },
+				{ label: 'CPU', show: true },
+			];
+			const plot = createMockPlot(series);
+
+			render(
+				<PlotContextProvider>
+					<TestComponent
+						plot={plot}
+						widgetId="widget-toggle"
+						shouldSaveSelectionPreference
+					/>
+				</PlotContextProvider>,
+			);
+
+			await user.click(screen.getByTestId('init'));
+			await user.click(screen.getByTestId('toggle-on-off-1'));
+
+			expect(plot.setSeries).toHaveBeenCalledWith(1, { show: false });
+			expect(mockUpdateSeriesVisibilityToLocalStorage).toHaveBeenCalledTimes(1);
+			expect(mockUpdateSeriesVisibilityToLocalStorage).toHaveBeenCalledWith(
+				'widget-toggle',
+				expect.any(Array),
+			);
+		});
+
+		it('does not toggle when target series does not exist', async () => {
+			const user = userEvent.setup();
+			const series: MockSeries[] = [{ label: 'x-axis', show: true }];
+			const plot = createMockPlot(series);
+
+			render(
+				<PlotContextProvider>
+					<TestComponent
+						plot={plot}
+						widgetId="widget-missing-series"
+						shouldSaveSelectionPreference
+					/>
+				</PlotContextProvider>,
+			);
+
+			await user.click(screen.getByTestId('init'));
+			await user.click(screen.getByTestId('toggle-on-off-5'));
+
+			expect(plot.setSeries).not.toHaveBeenCalled();
+			expect(mockUpdateSeriesVisibilityToLocalStorage).not.toHaveBeenCalled();
+		});
+
+		it('does not persist visibility when preferences flag is disabled', async () => {
+			const user = userEvent.setup();
+			const series: MockSeries[] = [
+				{ label: 'x-axis', show: true },
+				{ label: 'CPU', show: true },
+			];
+			const plot = createMockPlot(series);
+
+			render(
+				<PlotContextProvider>
+					<TestComponent
+						plot={plot}
+						widgetId="widget-no-persist"
+						shouldSaveSelectionPreference={false}
+					/>
+				</PlotContextProvider>,
+			);
+
+			await user.click(screen.getByTestId('init'));
+			await user.click(screen.getByTestId('toggle-on-off-1'));
+
+			expect(plot.setSeries).toHaveBeenCalledWith(1, { show: false });
+			expect(mockUpdateSeriesVisibilityToLocalStorage).not.toHaveBeenCalled();
+		});
+	});
+
+	describe('onFocusSeries', () => {
+		it('does nothing when plot instance is not set', async () => {
+			const user = userEvent.setup();
+
+			render(
+				<PlotContextProvider>
+					<TestComponent />
+				</PlotContextProvider>,
+			);
+
+			await user.click(screen.getByTestId('focus-series'));
+		});
+
+		it('sets focus on the given series index', async () => {
+			const user = userEvent.setup();
+			const plot = createMockPlot([
+				{ label: 'x-axis', show: true },
+				{ label: 'CPU', show: true },
+			]);
+
+			render(
+				<PlotContextProvider>
+					<TestComponent
+						plot={plot}
+						widgetId="widget-focus"
+						shouldSaveSelectionPreference={false}
+					/>
+				</PlotContextProvider>,
+			);
+
+			await user.click(screen.getByTestId('init'));
+			await user.click(screen.getByTestId('focus-series'));
+
+			expect(plot.setSeries).toHaveBeenCalledWith(1, { focus: true }, false);
+		});
+	});
+});

frontend/src/lib/uPlotV2/hooks/__tests__/useLegendActions.test.ts

@@ -0,0 +1,201 @@
+import { renderHook } from '@testing-library/react';
+import { usePlotContext } from 'lib/uPlotV2/context/PlotContext';
+import { useLegendActions } from 'lib/uPlotV2/hooks/useLegendActions';
+
+jest.mock('lib/uPlotV2/context/PlotContext');
+
+const mockUsePlotContext = usePlotContext as jest.MockedFunction<
+	typeof usePlotContext
+>;
+
+describe('useLegendActions', () => {
+	let onToggleSeriesVisibility: jest.Mock;
+	let onToggleSeriesOnOff: jest.Mock;
+	let onFocusSeriesPlot: jest.Mock;
+	let setPlotContextInitialState: jest.Mock;
+	let syncSeriesVisibilityToLocalStorage: jest.Mock;
+	let setFocusedSeriesIndexMock: jest.Mock;
+	let cancelAnimationFrameSpy: jest.SpyInstance<void, [handle: number]>;
+
+	beforeAll(() => {
+		jest
+			.spyOn(global, 'requestAnimationFrame')
+			.mockImplementation((cb: FrameRequestCallback): number => {
+				cb(0);
+				return 1;
+			});
+
+		cancelAnimationFrameSpy = jest
+			.spyOn(global, 'cancelAnimationFrame')
+			.mockImplementation(() => {});
+	});
+
+	afterAll(() => {
+		jest.restoreAllMocks();
+	});
+
+	beforeEach(() => {
+		onToggleSeriesVisibility = jest.fn();
+		onToggleSeriesOnOff = jest.fn();
+		onFocusSeriesPlot = jest.fn();
+		setPlotContextInitialState = jest.fn();
+		syncSeriesVisibilityToLocalStorage = jest.fn();
+		setFocusedSeriesIndexMock = jest.fn();
+
+		mockUsePlotContext.mockReturnValue({
+			onToggleSeriesVisibility,
+			onToggleSeriesOnOff,
+			onFocusSeries: onFocusSeriesPlot,
+			setPlotContextInitialState,
+			syncSeriesVisibilityToLocalStorage,
+		});
+
+		cancelAnimationFrameSpy.mockClear();
+	});
+
+	const createMouseEvent = (options: {
+		legendItemId?: number;
+		isMarker?: boolean;
+	}): any => {
+		const { legendItemId, isMarker = false } = options;
+
+		return {
+			target: {
+				dataset: {
+					...(isMarker ? { isLegendMarker: 'true' } : {}),
+				},
+				closest: jest.fn(() =>
+					legendItemId !== undefined
+						? { dataset: { legendItemId: String(legendItemId) } }
+						: null,
+				),
+			},
+		};
+	};
+
+	describe('onLegendClick', () => {
+		it('toggles series visibility when clicking on legend label', async () => {
+			const { result } = renderHook(() =>
+				useLegendActions({
+					setFocusedSeriesIndex: setFocusedSeriesIndexMock,
+					focusedSeriesIndex: null,
+				}),
+			);
+
+			result.current.onLegendClick(createMouseEvent({ legendItemId: 0 }));
+
+			expect(onToggleSeriesVisibility).toHaveBeenCalledTimes(1);
+			expect(onToggleSeriesVisibility).toHaveBeenCalledWith(0);
+			expect(onToggleSeriesOnOff).not.toHaveBeenCalled();
+		});
+
+		it('toggles series on/off when clicking on marker', async () => {
+			const { result } = renderHook(() =>
+				useLegendActions({
+					setFocusedSeriesIndex: setFocusedSeriesIndexMock,
+					focusedSeriesIndex: null,
+				}),
+			);
+
+			result.current.onLegendClick(
+				createMouseEvent({ legendItemId: 0, isMarker: true }),
+			);
+
+			expect(onToggleSeriesOnOff).toHaveBeenCalledTimes(1);
+			expect(onToggleSeriesOnOff).toHaveBeenCalledWith(0);
+			expect(onToggleSeriesVisibility).not.toHaveBeenCalled();
+		});
+
+		it('does nothing when click target is not inside a legend item', async () => {
+			const { result } = renderHook(() =>
+				useLegendActions({
+					setFocusedSeriesIndex: setFocusedSeriesIndexMock,
+					focusedSeriesIndex: null,
+				}),
+			);
+
+			result.current.onLegendClick(createMouseEvent({}));
+
+			expect(onToggleSeriesOnOff).not.toHaveBeenCalled();
+			expect(onToggleSeriesVisibility).not.toHaveBeenCalled();
+		});
+	});
+
+	describe('onFocusSeries', () => {
+		it('schedules focus update and calls plot focus handler via mouse move', async () => {
+			const { result } = renderHook(() =>
+				useLegendActions({
+					setFocusedSeriesIndex: setFocusedSeriesIndexMock,
+					focusedSeriesIndex: null,
+				}),
+			);
+
+			result.current.onLegendMouseMove(createMouseEvent({ legendItemId: 0 }));
+
+			expect(setFocusedSeriesIndexMock).toHaveBeenCalledWith(0);
+			expect(onFocusSeriesPlot).toHaveBeenCalledWith(0);
+		});
+
+		it('cancels previous animation frame before scheduling new one on subsequent mouse moves', async () => {
+			const { result } = renderHook(() =>
+				useLegendActions({
+					setFocusedSeriesIndex: setFocusedSeriesIndexMock,
+					focusedSeriesIndex: null,
+				}),
+			);
+
+			result.current.onLegendMouseMove(createMouseEvent({ legendItemId: 0 }));
+			result.current.onLegendMouseMove(createMouseEvent({ legendItemId: 1 }));
+
+			expect(cancelAnimationFrameSpy).toHaveBeenCalled();
+		});
+	});
+
+	describe('onLegendMouseMove', () => {
+		it('focuses new series when hovering over different legend item', async () => {
+			const { result } = renderHook(() =>
+				useLegendActions({
+					setFocusedSeriesIndex: setFocusedSeriesIndexMock,
+					focusedSeriesIndex: 0,
+				}),
+			);
+
+			result.current.onLegendMouseMove(createMouseEvent({ legendItemId: 1 }));
+
+			expect(setFocusedSeriesIndexMock).toHaveBeenCalledWith(1);
+			expect(onFocusSeriesPlot).toHaveBeenCalledWith(1);
+		});
+
+		it('does nothing when hovering over already focused series', async () => {
+			const { result } = renderHook(() =>
+				useLegendActions({
+					setFocusedSeriesIndex: setFocusedSeriesIndexMock,
+					focusedSeriesIndex: 1,
+				}),
+			);
+
+			result.current.onLegendMouseMove(createMouseEvent({ legendItemId: 1 }));
+
+			expect(setFocusedSeriesIndexMock).not.toHaveBeenCalled();
+			expect(onFocusSeriesPlot).not.toHaveBeenCalled();
+		});
+	});
+
+	describe('onLegendMouseLeave', () => {
+		it('cancels pending animation frame and clears focus state', async () => {
+			const { result } = renderHook(() =>
+				useLegendActions({
+					setFocusedSeriesIndex: setFocusedSeriesIndexMock,
+					focusedSeriesIndex: null,
+				}),
+			);
+
+			result.current.onLegendMouseMove(createMouseEvent({ legendItemId: 0 }));
+			result.current.onLegendMouseLeave();
+
+			expect(cancelAnimationFrameSpy).toHaveBeenCalled();
+			expect(setFocusedSeriesIndexMock).toHaveBeenCalledWith(null);
+			expect(onFocusSeriesPlot).toHaveBeenCalledWith(null);
+		});
+	});
+});

frontend/src/lib/uPlotV2/hooks/__tests__/useLegendsSync.test.ts

@@ -0,0 +1,192 @@
+import { act, cleanup, renderHook } from '@testing-library/react';
+import type { LegendItem } from 'lib/uPlotV2/config/types';
+import type { UPlotConfigBuilder } from 'lib/uPlotV2/config/UPlotConfigBuilder';
+import useLegendsSync from 'lib/uPlotV2/hooks/useLegendsSync';
+
+describe('useLegendsSync', () => {
+	let requestAnimationFrameSpy: jest.SpyInstance<
+		number,
+		[callback: FrameRequestCallback]
+	>;
+	let cancelAnimationFrameSpy: jest.SpyInstance<void, [handle: number]>;
+
+	beforeAll(() => {
+		requestAnimationFrameSpy = jest
+			.spyOn(global, 'requestAnimationFrame')
+			.mockImplementation((cb: FrameRequestCallback): number => {
+				cb(0);
+				return 1;
+			});
+
+		cancelAnimationFrameSpy = jest
+			.spyOn(global, 'cancelAnimationFrame')
+			.mockImplementation(() => {});
+	});
+
+	afterEach(() => {
+		jest.clearAllMocks();
+		cleanup();
+	});
+
+	afterAll(() => {
+		jest.restoreAllMocks();
+	});
+
+	const createMockConfig = (
+		legendItems: Record<number, LegendItem>,
+	): {
+		config: UPlotConfigBuilder;
+		invokeSetSeries: (
+			seriesIndex: number | null,
+			opts: { show?: boolean; focus?: boolean },
+			fireHook?: boolean,
+		) => void;
+	} => {
+		let setSeriesHandler:
+			| ((u: uPlot, seriesIndex: number | null, opts: uPlot.Series) => void)
+			| null = null;
+
+		const config = ({
+			getLegendItems: jest.fn(() => legendItems),
+			addHook: jest.fn(
+				(
+					hookName: string,
+					handler: (
+						u: uPlot,
+						seriesIndex: number | null,
+						opts: uPlot.Series,
+					) => void,
+				) => {
+					if (hookName === 'setSeries') {
+						setSeriesHandler = handler;
+					}
+
+					return (): void => {
+						setSeriesHandler = null;
+					};
+				},
+			),
+		} as unknown) as UPlotConfigBuilder;
+
+		const invokeSetSeries = (
+			seriesIndex: number | null,
+			opts: { show?: boolean; focus?: boolean },
+		): void => {
+			if (setSeriesHandler) {
+				setSeriesHandler({} as uPlot, seriesIndex, { ...opts });
+			}
+		};
+
+		return { config, invokeSetSeries };
+	};
+
+	it('initializes legend items from config', () => {
+		const initialItems: Record<number, LegendItem> = {
+			1: { seriesIndex: 1, label: 'CPU', show: true, color: '#f00' },
+			2: { seriesIndex: 2, label: 'Memory', show: false, color: '#0f0' },
+		};
+
+		const { config } = createMockConfig(initialItems);
+
+		const { result } = renderHook(() => useLegendsSync({ config }));
+
+		expect(config.getLegendItems).toHaveBeenCalledTimes(1);
+		expect(config.addHook).toHaveBeenCalledWith(
+			'setSeries',
+			expect.any(Function),
+		);
+
+		expect(result.current.legendItemsMap).toEqual(initialItems);
+	});
+
+	it('updates focusedSeriesIndex when a series gains focus via setSeries by default', async () => {
+		const initialItems: Record<number, LegendItem> = {
+			1: { seriesIndex: 1, label: 'CPU', show: true, color: '#f00' },
+		};
+
+		const { config, invokeSetSeries } = createMockConfig(initialItems);
+
+		const { result } = renderHook(() => useLegendsSync({ config }));
+
+		expect(result.current.focusedSeriesIndex).toBeNull();
+
+		await act(async () => {
+			invokeSetSeries(1, { focus: true });
+		});
+
+		expect(result.current.focusedSeriesIndex).toBe(1);
+	});
+
+	it('does not update focusedSeriesIndex when subscribeToFocusChange is false', () => {
+		const initialItems: Record<number, LegendItem> = {
+			1: { seriesIndex: 1, label: 'CPU', show: true, color: '#f00' },
+		};
+
+		const { config, invokeSetSeries } = createMockConfig(initialItems);
+
+		const { result } = renderHook(() =>
+			useLegendsSync({ config, subscribeToFocusChange: false }),
+		);
+
+		invokeSetSeries(1, { focus: true });
+
+		expect(result.current.focusedSeriesIndex).toBeNull();
+	});
+
+	it('updates legendItemsMap visibility when show changes for a series', async () => {
+		const initialItems: Record<number, LegendItem> = {
+			0: { seriesIndex: 0, label: 'x-axis', show: true, color: '#000' },
+			1: { seriesIndex: 1, label: 'CPU', show: true, color: '#f00' },
+		};
+
+		const { config, invokeSetSeries } = createMockConfig(initialItems);
+
+		const { result } = renderHook(() => useLegendsSync({ config }));
+
+		// Toggle visibility of series 1
+		await act(async () => {
+			invokeSetSeries(1, { show: false });
+		});
+
+		expect(result.current.legendItemsMap[1].show).toBe(false);
+	});
+
+	it('ignores visibility updates for unknown legend items or unchanged show values', () => {
+		const initialItems: Record<number, LegendItem> = {
+			1: { seriesIndex: 1, label: 'CPU', show: true, color: '#f00' },
+		};
+
+		const { config, invokeSetSeries } = createMockConfig(initialItems);
+
+		const { result } = renderHook(() => useLegendsSync({ config }));
+
+		const before = result.current.legendItemsMap;
+
+		// Unknown series index
+		invokeSetSeries(5, { show: false });
+		// Unchanged visibility for existing item
+		invokeSetSeries(1, { show: true });
+
+		const after = result.current.legendItemsMap;
+		expect(after).toEqual(before);
+	});
+
+	it('cancels pending visibility RAF on unmount', () => {
+		const initialItems: Record<number, LegendItem> = {
+			1: { seriesIndex: 1, label: 'CPU', show: true, color: '#f00' },
+		};
+
+		const { config, invokeSetSeries } = createMockConfig(initialItems);
+
+		// Override RAF to not immediately invoke callback so we can assert cancellation
+		requestAnimationFrameSpy.mockImplementationOnce(() => 42);
+
+		const { unmount } = renderHook(() => useLegendsSync({ config }));
+
+		invokeSetSeries(1, { show: false });
+
+		unmount();
+
+		expect(cancelAnimationFrameSpy).toHaveBeenCalledWith(42);
+	});
+});

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

@@ -0,0 +1,218 @@
+import type uPlot from 'uplot';
+import { Axis } from 'uplot';
+
+import {
+	buildYAxisSizeCalculator,
+	calculateTextWidth,
+	getExistingAxisSize,
+} from '../axis';
+
+describe('axis utils', () => {
+	describe('calculateTextWidth', () => {
+		it('returns 0 when values are undefined or empty', () => {
+			const mockSelf = ({
+				ctx: {
+					measureText: jest.fn(),
+					font: '',
+				},
+			} as unknown) as uPlot;
+
+			// internally the type is string but it is an array of strings
+			const mockAxis: Axis = { font: (['12px sans-serif'] as unknown) as string };
+
+			expect(calculateTextWidth(mockSelf, mockAxis, undefined)).toBe(0);
+			expect(calculateTextWidth(mockSelf, mockAxis, [])).toBe(0);
+		});
+
+		it('returns 0 when longest value is empty string or axis has no usable font', () => {
+			const mockSelf = ({
+				ctx: {
+					measureText: jest.fn(),
+					font: '',
+				},
+			} as unknown) as uPlot;
+
+			const axisWithoutFont: Axis = { font: '' };
+			const axisWithEmptyFontArray: Axis = { font: '' };
+
+			expect(calculateTextWidth(mockSelf, axisWithoutFont, [''])).toBe(0);
+			expect(
+				calculateTextWidth(mockSelf, axisWithEmptyFontArray, ['a', 'bb']),
+			).toBe(0);
+		});
+
+		it('measures longest value using canvas context and axis font', () => {
+			const measureText = jest.fn(() => ({ width: 100 }));
+			const mockSelf = ({
+				ctx: {
+					font: '',
+					measureText,
+				},
+			} as unknown) as uPlot;
+
+			const mockAxis: Axis = { font: (['14px Arial'] as unknown) as string };
+			const values = ['1', '1234', '12'];
+			const dpr =
+				((global as unknown) as { devicePixelRatio?: number }).devicePixelRatio ??
+				1;
+
+			const result = calculateTextWidth(mockSelf, mockAxis, values);
+
+			expect(measureText).toHaveBeenCalledWith('1234');
+			expect(mockSelf.ctx.font).toBe('14px Arial');
+			expect(result).toBe(100 / dpr);
+		});
+	});
+
+	describe('getExistingAxisSize', () => {
+		it('returns internal _size when present', () => {
+			const axis: any = {
+				_size: 42,
+				size: 10,
+			};
+
+			const result = getExistingAxisSize({
+				uplotInstance: ({} as unknown) as uPlot,
+				axis,
+				axisIdx: 0,
+				cycleNum: 0,
+			});
+
+			expect(result).toBe(42);
+		});
+
+		it('invokes size function when _size is not set', () => {
+			const sizeFn = jest.fn(() => 24);
+			const axis: Axis = { size: sizeFn };
+			const instance = ({} as unknown) as uPlot;
+
+			const result = getExistingAxisSize({
+				uplotInstance: instance,
+				axis,
+				values: ['10', '20'],
+				axisIdx: 1,
+				cycleNum: 2,
+			});
+
+			expect(sizeFn).toHaveBeenCalledWith(instance, ['10', '20'], 1, 2);
+			expect(result).toBe(24);
+		});
+
+		it('returns numeric size or 0 when neither _size nor size are provided', () => {
+			const axisWithSize: Axis = { size: 16 };
+			const axisWithoutSize: Axis = {};
+			const instance = ({} as unknown) as uPlot;
+
+			expect(
+				getExistingAxisSize({
+					uplotInstance: instance,
+					axis: axisWithSize,
+					axisIdx: 0,
+					cycleNum: 0,
+				}),
+			).toBe(16);
+
+			expect(
+				getExistingAxisSize({
+					uplotInstance: instance,
+					axis: axisWithoutSize,
+					axisIdx: 0,
+					cycleNum: 0,
+				}),
+			).toBe(0);
+		});
+	});
+
+	describe('buildYAxisSizeCalculator', () => {
+		it('delegates to getExistingAxisSize when cycleNum > 1', () => {
+			const sizeCalculator = buildYAxisSizeCalculator(5);
+
+			const axis: any = {
+				_size: 80,
+				ticks: { size: 10 },
+				font: ['12px sans-serif'],
+			};
+
+			const measureText = jest.fn(() => ({ width: 60 }));
+			const self = ({
+				axes: [axis],
+				ctx: {
+					font: '',
+					measureText,
+				},
+			} as unknown) as uPlot;
+
+			if (typeof sizeCalculator === 'number') {
+				throw new Error('Size calculator is a number');
+			}
+
+			const result = sizeCalculator(self, ['10', '20'], 0, 2);
+
+			expect(result).toBe(80);
+			expect(measureText).not.toHaveBeenCalled();
+		});
+
+		it('computes size from ticks, gap and text width when cycleNum <= 1', () => {
+			const gap = 7;
+			const sizeCalculator = buildYAxisSizeCalculator(gap);
+
+			const axis: Axis = {
+				ticks: { size: 12 },
+				font: (['12px sans-serif'] as unknown) as string,
+			};
+
+			const measureText = jest.fn(() => ({ width: 50 }));
+			const self = ({
+				axes: [axis],
+				ctx: {
+					font: '',
+					measureText,
+				},
+			} as unknown) as uPlot;
+
+			const dpr =
+				((global as unknown) as { devicePixelRatio?: number }).devicePixelRatio ??
+				1;
+			const expected = Math.ceil(12 + gap + 50 / dpr);
+
+			if (typeof sizeCalculator === 'number') {
+				throw new Error('Size calculator is a number');
+			}
+
+			const result = sizeCalculator(self, ['short', 'the-longest'], 0, 0);
+			expect(measureText).toHaveBeenCalledWith('the-longest');
+			expect(result).toBe(expected);
+		});
+
+		it('uses 0 ticks size when ticks are not defined', () => {
+			const gap = 4;
+			const sizeCalculator = buildYAxisSizeCalculator(gap);
+
+			const axis: Axis = {
+				font: (['12px sans-serif'] as unknown) as string,
+			};
+
+			const measureText = jest.fn(() => ({ width: 40 }));
+			const self = ({
+				axes: [axis],
+				ctx: {
+					font: '',
+					measureText,
+				},
+			} as unknown) as uPlot;
+
+			const dpr =
+				((global as unknown) as { devicePixelRatio?: number }).devicePixelRatio ??
+				1;
+			const expected = Math.ceil(gap + 40 / dpr);
+
+			if (typeof sizeCalculator === 'number') {
+				throw new Error('Size calculator is a number');
+			}
+
+			const result = sizeCalculator(self, ['1', '123'], 0, 1);
+
+			expect(result).toBe(expected);
+		});
+	});
+});

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

@@ -0,0 +1,80 @@
+import { Axis } from 'uplot';
+
+/**
+ * Calculate text width for longest value
+ */
+export function calculateTextWidth(
+	self: uPlot,
+	axis: Axis,
+	values: string[] | undefined,
+): number {
+	if (!values || values.length === 0) {
+		return 0;
+	}
+
+	// Find longest value
+	const longestVal = values.reduce(
+		(acc, val) => (val.length > acc.length ? val : acc),
+		'',
+	);
+
+	if (longestVal === '' || !axis.font?.[0]) {
+		return 0;
+	}
+
+	self.ctx.font = axis.font[0];
+	return self.ctx.measureText(longestVal).width / devicePixelRatio;
+}
+
+export function getExistingAxisSize({
+	uplotInstance,
+	axis,
+	values,
+	axisIdx,
+	cycleNum,
+}: {
+	uplotInstance: uPlot;
+	axis: Axis;
+	values?: string[];
+	axisIdx: number;
+	cycleNum: number;
+}): number {
+	const internalSize = (axis as { _size?: number })._size;
+	if (internalSize !== undefined) {
+		return internalSize;
+	}
+
+	const existingSize = axis.size;
+	if (typeof existingSize === 'function') {
+		return existingSize(uplotInstance, values ?? [], axisIdx, cycleNum);
+	}
+
+	return existingSize ?? 0;
+}
+
+export function buildYAxisSizeCalculator(gap: number): uPlot.Axis.Size {
+	return (
+		self: uPlot,
+		values: string[] | undefined,
+		axisIdx: number,
+		cycleNum: number,
+	): number => {
+		const axis = self.axes[axisIdx];
+
+		// Bail out, force convergence
+		if (cycleNum > 1) {
+			return getExistingAxisSize({
+				uplotInstance: self,
+				axis,
+				values,
+				axisIdx,
+				cycleNum,
+			});
+		}
+
+		let axisSize = (axis.ticks?.size ?? 0) + gap;
+		axisSize += calculateTextWidth(self, axis, values);
+
+		return Math.ceil(axisSize);
+	};
+}

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

@@ -1,11 +1,25 @@
-export function resolveSeriesVisibility(
-	label: string,
-	seriesShow: boolean | undefined | null,
-	visibilityMap: Map<string, boolean> | null,
-	isAnySeriesHidden: boolean,
-): boolean {
-	if (isAnySeriesHidden) {
-		return visibilityMap?.get(label) ?? false;
+import { SeriesVisibilityState } from 'container/DashboardContainer/visualization/panels/types';
+
+export function resolveSeriesVisibility({
+	seriesIndex,
+	seriesShow,
+	seriesLabel,
+	seriesVisibilityState,
+	isAnySeriesHidden,
+}: {
+	seriesIndex: number;
+	seriesShow: boolean | undefined | null;
+	seriesLabel: string;
+	seriesVisibilityState: SeriesVisibilityState | null;
+	isAnySeriesHidden: boolean;
+}): boolean {
+	if (
+		isAnySeriesHidden &&
+		seriesVisibilityState?.visibility &&
+		seriesVisibilityState.labels.length > seriesIndex &&
+		seriesVisibilityState.labels[seriesIndex] === seriesLabel
+	) {
+		return seriesVisibilityState.visibility[seriesIndex] ?? false;
 	}
 	return seriesShow ?? true;
 }

pkg/query-service/converter/converter.go

@@ -43,11 +43,11 @@ var (
 // FromUnit returns a converter for the given unit
 func FromUnit(u Unit) Converter {
 	switch u {
-	case "ns", "us", "µs", "ms", "s", "m", "h", "d", "min":
+	case "ns", "us", "µs", "ms", "s", "m", "h", "d", "min", "w", "wk":
 		return DurationConverter
-	case "bytes", "decbytes", "bits", "decbits", "kbytes", "decKbytes", "deckbytes", "mbytes", "decMbytes", "decmbytes", "gbytes", "decGbytes", "decgbytes", "tbytes", "decTbytes", "dectbytes", "pbytes", "decPbytes", "decpbytes", "By", "kBy", "MBy", "GBy", "TBy", "PBy":
+	case "bytes", "decbytes", "bits", "bit", "decbits", "kbytes", "decKbytes", "deckbytes", "mbytes", "decMbytes", "decmbytes", "gbytes", "decGbytes", "decgbytes", "tbytes", "decTbytes", "dectbytes", "pbytes", "decPbytes", "decpbytes", "By", "kBy", "MBy", "GBy", "TBy", "PBy", "EBy", "ZBy", "YBy", "KiBy", "MiBy", "GiBy", "TiBy", "PiBy", "EiBy", "ZiBy", "YiBy", "kbit", "Mbit", "Gbit", "Tbit", "Pbit", "Ebit", "Zbit", "Ybit", "Kibit", "Mibit", "Gibit", "Tibit", "Pibit":
 		return DataConverter
-	case "binBps", "Bps", "binbps", "bps", "KiBs", "Kibits", "KBs", "Kbits", "MiBs", "Mibits", "MBs", "Mbits", "GiBs", "Gibits", "GBs", "Gbits", "TiBs", "Tibits", "TBs", "Tbits", "PiBs", "Pibits", "PBs", "Pbits", "By/s", "kBy/s", "MBy/s", "GBy/s", "TBy/s", "PBy/s", "bit/s", "kbit/s", "Mbit/s", "Gbit/s", "Tbit/s", "Pbit/s":
+	case "binBps", "Bps", "binbps", "bps", "KiBs", "Kibits", "KBs", "Kbits", "MiBs", "Mibits", "MBs", "Mbits", "GiBs", "Gibits", "GBs", "Gbits", "TiBs", "Tibits", "TBs", "Tbits", "PiBs", "Pibits", "PBs", "Pbits", "By/s", "kBy/s", "MBy/s", "GBy/s", "TBy/s", "PBy/s", "EBy/s", "ZBy/s", "YBy/s", "bit/s", "kbit/s", "Mbit/s", "Gbit/s", "Tbit/s", "Pbit/s", "Ebit/s", "Zbit/s", "Ybit/s", "KiBy/s", "MiBy/s", "GiBy/s", "TiBy/s", "PiBy/s", "EiBy/s", "ZiBy/s", "YiBy/s", "Kibit/s", "Mibit/s", "Gibit/s", "Tibit/s", "Pibit/s", "Eibit/s", "Zibit/s", "Yibit/s":
 		return DataRateConverter
 	case "percent", "percentunit", "%":
 		return PercentConverter

pkg/query-service/converter/data.go

@@ -58,36 +58,80 @@ func (*dataConverter) Name() string {
 	return "data"
 }
 
+// Notation followed by UCUM:
+// https://ucum.org/ucum
+// kibi = Ki, mebi = Mi, gibi = Gi, tebi = Ti, pibi = Pi
+// kilo = k, mega = M, giga = G, tera = T, peta = P
+// exa = E, zetta = Z, yotta = Y
+// byte = By, bit = bit
 func FromDataUnit(u Unit) float64 {
 	switch u {
 	case "bytes", "By": // base 2
 		return Byte
 	case "decbytes": // base 10
 		return Byte
-	case "bits": // base 2
+	case "bits", "bit": // base 2
 		return Bit
 	case "decbits": // base 10
 		return Bit
-	case "kbytes", "kBy": // base 2
+	case "kbytes", "KiBy": // base 2
 		return Kibibyte
-	case "decKbytes", "deckbytes": // base 10
+	case "decKbytes", "deckbytes", "kBy": // base 10
 		return Kilobyte
-	case "mbytes", "MBy": // base 2
+	case "mbytes", "MiBy": // base 2
 		return Mebibyte
-	case "decMbytes", "decmbytes": // base 10
+	case "decMbytes", "decmbytes", "MBy": // base 10
 		return Megabyte
-	case "gbytes", "GBy": // base 2
+	case "gbytes", "GiBy": // base 2
 		return Gibibyte
-	case "decGbytes", "decgbytes": // base 10
+	case "decGbytes", "decgbytes", "GBy": // base 10
 		return Gigabyte
-	case "tbytes", "TBy": // base 2
+	case "tbytes", "TiBy": // base 2
 		return Tebibyte
-	case "decTbytes", "dectbytes": // base 10
+	case "decTbytes", "dectbytes", "TBy": // base 10
 		return Terabyte
-	case "pbytes", "PBy": // base 2
+	case "pbytes", "PiBy": // base 2
 		return Pebibyte
-	case "decPbytes", "decpbytes": // base 10
+	case "decPbytes", "decpbytes", "PBy": // base 10
 		return Petabyte
+	case "EBy": // base 10
+		return Exabyte
+	case "ZBy": // base 10
+		return Zettabyte
+	case "YBy": // base 10
+		return Yottabyte
+	case "Kibit": // base 2
+		return Kibibit
+	case "Mibit": // base 2
+		return Mebibit
+	case "Gibit": // base 2
+		return Gibibit
+	case "Tibit": // base 2
+		return Tebibit
+	case "Pibit": // base 2
+		return Pebibit
+	case "EiBy": // base 2
+		return Exbibyte
+	case "ZiBy": // base 2
+		return Zebibyte
+	case "YiBy": // base 2
+		return Yobibyte
+	case "kbit": // base 10
+		return Kilobit
+	case "Mbit": // base 10
+		return Megabit
+	case "Gbit": // base 10
+		return Gigabit
+	case "Tbit": // base 10
+		return Terabit
+	case "Pbit": // base 10
+		return Petabit
+	case "Ebit": // base 10
+		return Exabit
+	case "Zbit": // base 10
+		return Zettabit
+	case "Ybit": // base 10
+		return Yottabit
 	default:
 		return 1
 	}

pkg/query-service/converter/data_rate.go

@@ -54,6 +54,12 @@ func (*dataRateConverter) Name() string {
 	return "data_rate"
 }
 
+// Notation followed by UCUM:
+// https://ucum.org/ucum
+// kibi = Ki, mebi = Mi, gibi = Gi, tebi = Ti, pibi = Pi
+// kilo = k, mega = M, giga = G, tera = T, peta = P
+// exa = E, zetta = Z, yotta = Y
+// byte = By, bit = bit
 func FromDataRateUnit(u Unit) float64 {
 	// See https://github.com/SigNoz/signoz/blob/5a81f5f90b34845f5b4b3bdd46acf29d04bf3987/frontend/src/container/NewWidget/RightContainer/dataFormatCategories.ts#L62-L85
 	switch u {
@@ -65,46 +71,70 @@ func FromDataRateUnit(u Unit) float64 {
 		return BitPerSecond
 	case "bps", "bit/s": // bits/sec(SI)
 		return BitPerSecond
-	case "KiBs": // kibibytes/sec
+	case "KiBs", "KiBy/s": // kibibytes/sec
 		return KibibytePerSecond
-	case "Kibits": // kibibits/sec
+	case "Kibits", "Kibit/s": // kibibits/sec
 		return KibibitPerSecond
 	case "KBs", "kBy/s": // kilobytes/sec
 		return KilobytePerSecond
 	case "Kbits", "kbit/s": // kilobits/sec
 		return KilobitPerSecond
-	case "MiBs": // mebibytes/sec
+	case "MiBs", "MiBy/s": // mebibytes/sec
 		return MebibytePerSecond
-	case "Mibits": // mebibits/sec
+	case "Mibits", "Mibit/s": // mebibits/sec
 		return MebibitPerSecond
 	case "MBs", "MBy/s": // megabytes/sec
 		return MegabytePerSecond
 	case "Mbits", "Mbit/s": // megabits/sec
 		return MegabitPerSecond
-	case "GiBs": // gibibytes/sec
+	case "GiBs", "GiBy/s": // gibibytes/sec
 		return GibibytePerSecond
-	case "Gibits": // gibibits/sec
+	case "Gibits", "Gibit/s": // gibibits/sec
 		return GibibitPerSecond
 	case "GBs", "GBy/s": // gigabytes/sec
 		return GigabytePerSecond
 	case "Gbits", "Gbit/s": // gigabits/sec
 		return GigabitPerSecond
-	case "TiBs": // tebibytes/sec
+	case "TiBs", "TiBy/s": // tebibytes/sec
 		return TebibytePerSecond
-	case "Tibits": // tebibits/sec
+	case "Tibits", "Tibit/s": // tebibits/sec
 		return TebibitPerSecond
 	case "TBs", "TBy/s": // terabytes/sec
 		return TerabytePerSecond
 	case "Tbits", "Tbit/s": // terabits/sec
 		return TerabitPerSecond
-	case "PiBs": // pebibytes/sec
+	case "PiBs", "PiBy/s": // pebibytes/sec
 		return PebibytePerSecond
-	case "Pibits": // pebibits/sec
+	case "Pibits", "Pibit/s": // pebibits/sec
 		return PebibitPerSecond
 	case "PBs", "PBy/s": // petabytes/sec
 		return PetabytePerSecond
 	case "Pbits", "Pbit/s": // petabits/sec
 		return PetabitPerSecond
+	case "EBy/s": // exabytes/sec
+		return ExabytePerSecond
+	case "Ebit/s": // exabits/sec
+		return ExabitPerSecond
+	case "EiBy/s": // exbibytes/sec
+		return ExbibytePerSecond
+	case "Eibit/s": // exbibits/sec
+		return ExbibitPerSecond
+	case "ZBy/s": // zettabytes/sec
+		return ZettabytePerSecond
+	case "Zbit/s": // zettabits/sec
+		return ZettabitPerSecond
+	case "ZiBy/s": // zebibytes/sec
+		return ZebibytePerSecond
+	case "Zibit/s": // zebibits/sec
+		return ZebibitPerSecond
+	case "YBy/s": // yottabytes/sec
+		return YottabytePerSecond
+	case "Ybit/s": // yottabits/sec
+		return YottabitPerSecond
+	case "YiBy/s": // yobibytes/sec
+		return YobibytePerSecond
+	case "Yibit/s": // yobibits/sec
+		return YobibitPerSecond
 	default:
 		return 1
 	}

pkg/query-service/converter/data_rate_test.go

@@ -75,3 +75,83 @@ func TestDataRate(t *testing.T) {
 	// 1024 * 1024 * 1024 bytes = 1 gbytes
 	assert.Equal(t, Value{F: 1, U: "GiBs"}, dataRateConverter.Convert(Value{F: 1024 * 1024 * 1024, U: "binBps"}, "GiBs"))
 }
+
+func TestDataRateConversionUCUMUnit(t *testing.T) {
+	dataRateConverter := NewDataRateConverter()
+
+	tests := []struct {
+		name     string
+		input    Value
+		toUnit   Unit
+		expected Value
+	}{
+		// Binary byte scaling
+		{name: "Binary byte scaling: 1024 By/s = 1 KiBy/s", input: Value{F: 1024, U: "By/s"}, toUnit: "KiBy/s", expected: Value{F: 1, U: "KiBy/s"}},
+		{name: "Kibibyte to bytes: 1 KiBy/s = 1024 By/s", input: Value{F: 1, U: "KiBy/s"}, toUnit: "By/s", expected: Value{F: 1024, U: "By/s"}},
+		{name: "Binary byte scaling: 1024 KiBy/s = 1 MiBy/s", input: Value{F: 1024, U: "KiBy/s"}, toUnit: "MiBy/s", expected: Value{F: 1, U: "MiBy/s"}},
+		{name: "Gibibyte to bytes: 1 GiBy/s = 1073741824 By/s", input: Value{F: 1, U: "GiBy/s"}, toUnit: "By/s", expected: Value{F: 1024 * 1024 * 1024, U: "By/s"}},
+		{name: "Binary byte scaling: 1024 MiBy/s = 1 GiBy/s", input: Value{F: 1024, U: "MiBy/s"}, toUnit: "GiBy/s", expected: Value{F: 1, U: "GiBy/s"}},
+		{name: "Gibibyte to mebibyte: 1 GiBy/s = 1024 MiBy/s", input: Value{F: 1, U: "GiBy/s"}, toUnit: "MiBy/s", expected: Value{F: 1024, U: "MiBy/s"}},
+		{name: "Binary byte scaling: 1024 GiBy/s = 1 TiBy/s", input: Value{F: 1024, U: "GiBy/s"}, toUnit: "TiBy/s", expected: Value{F: 1, U: "TiBy/s"}},
+		{name: "Tebibyte to bytes: 1 TiBy/s = 1099511627776 By/s", input: Value{F: 1, U: "TiBy/s"}, toUnit: "By/s", expected: Value{F: 1024 * 1024 * 1024 * 1024, U: "By/s"}},
+		{name: "Binary byte scaling: 1024 TiBy/s = 1 PiBy/s", input: Value{F: 1024, U: "TiBy/s"}, toUnit: "PiBy/s", expected: Value{F: 1, U: "PiBy/s"}},
+		{name: "Pebibyte to tebibyte: 1 PiBy/s = 1024 TiBy/s", input: Value{F: 1, U: "PiBy/s"}, toUnit: "TiBy/s", expected: Value{F: 1024, U: "TiBy/s"}},
+		// Binary bit scaling
+		{name: "Binary bit scaling: 1024 bit/s = 1 Kibit/s", input: Value{F: 1024, U: "bit/s"}, toUnit: "Kibit/s", expected: Value{F: 1, U: "Kibit/s"}},
+		{name: "Kibibit to bits: 1 Kibit/s = 1024 bit/s", input: Value{F: 1, U: "Kibit/s"}, toUnit: "bit/s", expected: Value{F: 1024, U: "bit/s"}},
+		{name: "Binary bit scaling: 1024 Kibit/s = 1 Mibit/s", input: Value{F: 1024, U: "Kibit/s"}, toUnit: "Mibit/s", expected: Value{F: 1, U: "Mibit/s"}},
+		{name: "Gibibit to bits: 1 Gibit/s = 1073741824 bit/s", input: Value{F: 1, U: "Gibit/s"}, toUnit: "bit/s", expected: Value{F: 1024 * 1024 * 1024, U: "bit/s"}},
+		{name: "Binary bit scaling: 1024 Mibit/s = 1 Gibit/s", input: Value{F: 1024, U: "Mibit/s"}, toUnit: "Gibit/s", expected: Value{F: 1, U: "Gibit/s"}},
+		{name: "Gibibit to mebibit: 1 Gibit/s = 1024 Mibit/s", input: Value{F: 1, U: "Gibit/s"}, toUnit: "Mibit/s", expected: Value{F: 1024, U: "Mibit/s"}},
+		{name: "Binary bit scaling: 1024 Gibit/s = 1 Tibit/s", input: Value{F: 1024, U: "Gibit/s"}, toUnit: "Tibit/s", expected: Value{F: 1, U: "Tibit/s"}},
+		{name: "Tebibit to gibibit: 1 Tibit/s = 1024 Gibit/s", input: Value{F: 1, U: "Tibit/s"}, toUnit: "Gibit/s", expected: Value{F: 1024, U: "Gibit/s"}},
+		{name: "Binary bit scaling: 1024 Tibit/s = 1 Pibit/s", input: Value{F: 1024, U: "Tibit/s"}, toUnit: "Pibit/s", expected: Value{F: 1, U: "Pibit/s"}},
+		{name: "Pebibit to tebibit: 1 Pibit/s = 1024 Tibit/s", input: Value{F: 1, U: "Pibit/s"}, toUnit: "Tibit/s", expected: Value{F: 1024, U: "Tibit/s"}},
+		// Bytes to bits
+		{name: "Bytes to bits: 1 KiBy/s = 8 Kibit/s", input: Value{F: 1, U: "KiBy/s"}, toUnit: "Kibit/s", expected: Value{F: 8, U: "Kibit/s"}},
+		{name: "Bytes to bits: 1 MiBy/s = 8 Mibit/s", input: Value{F: 1, U: "MiBy/s"}, toUnit: "Mibit/s", expected: Value{F: 8, U: "Mibit/s"}},
+		{name: "Bytes to bits: 1 GiBy/s = 8 Gibit/s", input: Value{F: 1, U: "GiBy/s"}, toUnit: "Gibit/s", expected: Value{F: 8, U: "Gibit/s"}},
+		// Unit alias
+		{name: "Unit alias: 1 KiBs = 1 KiBy/s", input: Value{F: 1, U: "KiBs"}, toUnit: "KiBy/s", expected: Value{F: 1, U: "KiBy/s"}},
+		{name: "Unit alias: 1 Kibits = 1 Kibit/s", input: Value{F: 1, U: "Kibits"}, toUnit: "Kibit/s", expected: Value{F: 1, U: "Kibit/s"}},
+		// SI byte scaling (Exa, Zetta, Yotta)
+		{name: "SI byte scaling: 1000 PBy/s = 1 EBy/s", input: Value{F: 1000, U: "PBy/s"}, toUnit: "EBy/s", expected: Value{F: 1, U: "EBy/s"}},
+		{name: "Exabyte to bytes: 1 EBy/s = 1e18 By/s", input: Value{F: 1, U: "EBy/s"}, toUnit: "By/s", expected: Value{F: 1e18, U: "By/s"}},
+		{name: "SI byte scaling: 1000 EBy/s = 1 ZBy/s", input: Value{F: 1000, U: "EBy/s"}, toUnit: "ZBy/s", expected: Value{F: 1, U: "ZBy/s"}},
+		{name: "Zettabyte to petabytes: 1 ZBy/s = 1000000 PBy/s", input: Value{F: 1, U: "ZBy/s"}, toUnit: "PBy/s", expected: Value{F: 1e6, U: "PBy/s"}},
+		{name: "SI byte scaling: 1000 ZBy/s = 1 YBy/s", input: Value{F: 1000, U: "ZBy/s"}, toUnit: "YBy/s", expected: Value{F: 1, U: "YBy/s"}},
+		{name: "Yottabyte to zettabyte: 1 YBy/s = 1000 ZBy/s", input: Value{F: 1, U: "YBy/s"}, toUnit: "ZBy/s", expected: Value{F: 1000, U: "ZBy/s"}},
+		// Binary byte scaling (Exbi, Zebi, Yobi)
+		{name: "Binary byte scaling: 1024 PiBy/s = 1 EiBy/s", input: Value{F: 1024, U: "PiBy/s"}, toUnit: "EiBy/s", expected: Value{F: 1, U: "EiBy/s"}},
+		{name: "Exbibyte to tebibytes: 1 EiBy/s = 1048576 TiBy/s", input: Value{F: 1, U: "EiBy/s"}, toUnit: "TiBy/s", expected: Value{F: 1024 * 1024, U: "TiBy/s"}},
+		{name: "Binary byte scaling: 1024 EiBy/s = 1 ZiBy/s", input: Value{F: 1024, U: "EiBy/s"}, toUnit: "ZiBy/s", expected: Value{F: 1, U: "ZiBy/s"}},
+		{name: "Zebibyte to exbibyte: 1 ZiBy/s = 1024 EiBy/s", input: Value{F: 1, U: "ZiBy/s"}, toUnit: "EiBy/s", expected: Value{F: 1024, U: "EiBy/s"}},
+		{name: "Binary byte scaling: 1024 ZiBy/s = 1 YiBy/s", input: Value{F: 1024, U: "ZiBy/s"}, toUnit: "YiBy/s", expected: Value{F: 1, U: "YiBy/s"}},
+		{name: "Yobibyte to zebibyte: 1 YiBy/s = 1024 ZiBy/s", input: Value{F: 1, U: "YiBy/s"}, toUnit: "ZiBy/s", expected: Value{F: 1024, U: "ZiBy/s"}},
+		// SI bit scaling (Exa, Zetta, Yotta)
+		{name: "SI bit scaling: 1000 Pbit/s = 1 Ebit/s", input: Value{F: 1000, U: "Pbit/s"}, toUnit: "Ebit/s", expected: Value{F: 1, U: "Ebit/s"}},
+		{name: "Exabit to gigabits: 1 Ebit/s = 1e9 Gbit/s", input: Value{F: 1, U: "Ebit/s"}, toUnit: "Gbit/s", expected: Value{F: 1e9, U: "Gbit/s"}},
+		{name: "SI bit scaling: 1000 Ebit/s = 1 Zbit/s", input: Value{F: 1000, U: "Ebit/s"}, toUnit: "Zbit/s", expected: Value{F: 1, U: "Zbit/s"}},
+		{name: "Zettabit to exabit: 1 Zbit/s = 1000 Ebit/s", input: Value{F: 1, U: "Zbit/s"}, toUnit: "Ebit/s", expected: Value{F: 1000, U: "Ebit/s"}},
+		{name: "SI bit scaling: 1000 Zbit/s = 1 Ybit/s", input: Value{F: 1000, U: "Zbit/s"}, toUnit: "Ybit/s", expected: Value{F: 1, U: "Ybit/s"}},
+		{name: "Yottabit to zettabit: 1 Ybit/s = 1000 Zbit/s", input: Value{F: 1, U: "Ybit/s"}, toUnit: "Zbit/s", expected: Value{F: 1000, U: "Zbit/s"}},
+		// Binary bit scaling (Exbi, Zebi, Yobi)
+		{name: "Binary bit scaling: 1024 Pibit/s = 1 Eibit/s", input: Value{F: 1024, U: "Pibit/s"}, toUnit: "Eibit/s", expected: Value{F: 1, U: "Eibit/s"}},
+		{name: "Exbibit to pebibit: 1 Eibit/s = 1024 Pibit/s", input: Value{F: 1, U: "Eibit/s"}, toUnit: "Pibit/s", expected: Value{F: 1024, U: "Pibit/s"}},
+		{name: "Binary bit scaling: 1024 Eibit/s = 1 Zibit/s", input: Value{F: 1024, U: "Eibit/s"}, toUnit: "Zibit/s", expected: Value{F: 1, U: "Zibit/s"}},
+		{name: "Zebibit to exbibit: 1 Zibit/s = 1024 Eibit/s", input: Value{F: 1, U: "Zibit/s"}, toUnit: "Eibit/s", expected: Value{F: 1024, U: "Eibit/s"}},
+		{name: "Binary bit scaling: 1024 Zibit/s = 1 Yibit/s", input: Value{F: 1024, U: "Zibit/s"}, toUnit: "Yibit/s", expected: Value{F: 1, U: "Yibit/s"}},
+		{name: "Yobibit to zebibit: 1 Yibit/s = 1024 Zibit/s", input: Value{F: 1, U: "Yibit/s"}, toUnit: "Zibit/s", expected: Value{F: 1024, U: "Zibit/s"}},
+		// Bytes to bits (Exbi, Zebi, Yobi)
+		{name: "Bytes to bits: 1 EiBy/s = 8 Eibit/s", input: Value{F: 1, U: "EiBy/s"}, toUnit: "Eibit/s", expected: Value{F: 8, U: "Eibit/s"}},
+		{name: "Bytes to bits: 1 ZiBy/s = 8 Zibit/s", input: Value{F: 1, U: "ZiBy/s"}, toUnit: "Zibit/s", expected: Value{F: 8, U: "Zibit/s"}},
+		{name: "Bytes to bits: 1 YiBy/s = 8 Yibit/s", input: Value{F: 1, U: "YiBy/s"}, toUnit: "Yibit/s", expected: Value{F: 8, U: "Yibit/s"}},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got := dataRateConverter.Convert(tt.input, tt.toUnit)
+			assert.Equal(t, tt.expected, got)
+		})
+	}
+}

pkg/query-service/converter/data_test.go

@@ -13,7 +13,7 @@ func TestData(t *testing.T) {
 	assert.Equal(t, Value{F: 1, U: "By"}, dataConverter.Convert(Value{F: 8, U: "bits"}, "By"))
 	// 1024 bytes = 1 kbytes
 	assert.Equal(t, Value{F: 1, U: "kbytes"}, dataConverter.Convert(Value{F: 1024, U: "bytes"}, "kbytes"))
-	assert.Equal(t, Value{F: 1, U: "kBy"}, dataConverter.Convert(Value{F: 1024, U: "bytes"}, "kBy"))
+	assert.Equal(t, Value{F: 1, U: "kBy"}, dataConverter.Convert(Value{F: 1000, U: "bytes"}, "kBy"))
 	// 1 byte = 8 bits
 	assert.Equal(t, Value{F: 8, U: "bits"}, dataConverter.Convert(Value{F: 1, U: "bytes"}, "bits"))
 	// 1 mbytes = 1024 kbytes
@@ -22,7 +22,7 @@ func TestData(t *testing.T) {
 	assert.Equal(t, Value{F: 1024, U: "bytes"}, dataConverter.Convert(Value{F: 1, U: "kbytes"}, "bytes"))
 	// 1024 kbytes = 1 mbytes
 	assert.Equal(t, Value{F: 1, U: "mbytes"}, dataConverter.Convert(Value{F: 1024, U: "kbytes"}, "mbytes"))
-	assert.Equal(t, Value{F: 1, U: "MBy"}, dataConverter.Convert(Value{F: 1024, U: "kbytes"}, "MBy"))
+	assert.Equal(t, Value{F: 1, U: "MBy"}, dataConverter.Convert(Value{F: 1000, U: "kBy"}, "MBy"))
 	// 1 mbytes = 1024 * 1024 bytes
 	assert.Equal(t, Value{F: 1024 * 1024, U: "bytes"}, dataConverter.Convert(Value{F: 1, U: "mbytes"}, "bytes"))
 	// 1024 mbytes = 1 gbytes
@@ -45,10 +45,90 @@ func TestData(t *testing.T) {
 	assert.Equal(t, Value{F: 1024 * 1024 * 1024 * 1024, U: "bytes"}, dataConverter.Convert(Value{F: 1, U: "tbytes"}, "bytes"))
 	// 1024 tbytes = 1 pbytes
 	assert.Equal(t, Value{F: 1, U: "pbytes"}, dataConverter.Convert(Value{F: 1024, U: "tbytes"}, "pbytes"))
-	// 1024 tbytes = 1 pbytes
-	assert.Equal(t, Value{F: 1, U: "PBy"}, dataConverter.Convert(Value{F: 1024, U: "tbytes"}, "PBy"))
+	// 1024 tbytes = 1 PiBy
+	assert.Equal(t, Value{F: 1, U: "PiBy"}, dataConverter.Convert(Value{F: 1024, U: "tbytes"}, "PiBy"))
 	// 1 pbytes = 1024 tbytes
 	assert.Equal(t, Value{F: 1024, U: "tbytes"}, dataConverter.Convert(Value{F: 1, U: "pbytes"}, "tbytes"))
-	// 1024 pbytes = 1 tbytes
-	assert.Equal(t, Value{F: 1024, U: "TBy"}, dataConverter.Convert(Value{F: 1, U: "pbytes"}, "TBy"))
+	// 1024 TiBy = 1 pbytes
+	assert.Equal(t, Value{F: 1024, U: "TiBy"}, dataConverter.Convert(Value{F: 1, U: "pbytes"}, "TiBy"))
+}
+
+func TestDataConversionUCUMUnit(t *testing.T) {
+	dataConverter := NewDataConverter()
+
+	tests := []struct {
+		name     string
+		input    Value
+		toUnit   Unit
+		expected Value
+	}{
+		// Bits to bytes
+		{name: "Bits to bytes: 8 bit = 1 By", input: Value{F: 8, U: "bit"}, toUnit: "By", expected: Value{F: 1, U: "By"}},
+		{name: "Byte to bits: 1 By = 8 bit", input: Value{F: 1, U: "By"}, toUnit: "bit", expected: Value{F: 8, U: "bit"}},
+		// Binary byte scaling
+		{name: "Binary byte scaling: 1024 By = 1 KiBy", input: Value{F: 1024, U: "By"}, toUnit: "KiBy", expected: Value{F: 1, U: "KiBy"}},
+		{name: "Kibibyte to bytes: 1 KiBy = 1024 By", input: Value{F: 1, U: "KiBy"}, toUnit: "By", expected: Value{F: 1024, U: "By"}},
+		{name: "Binary byte scaling: 1024 KiBy = 1 MiBy", input: Value{F: 1024, U: "KiBy"}, toUnit: "MiBy", expected: Value{F: 1, U: "MiBy"}},
+		{name: "Binary byte scaling: 1024 MiBy = 1 GiBy", input: Value{F: 1024, U: "MiBy"}, toUnit: "GiBy", expected: Value{F: 1, U: "GiBy"}},
+		{name: "Gibibyte to mebibyte: 1 GiBy = 1024 MiBy", input: Value{F: 1, U: "GiBy"}, toUnit: "MiBy", expected: Value{F: 1024, U: "MiBy"}},
+		{name: "Binary byte scaling: 1024 GiBy = 1 TiBy", input: Value{F: 1024, U: "GiBy"}, toUnit: "TiBy", expected: Value{F: 1, U: "TiBy"}},
+		{name: "Binary byte scaling: 1024 TiBy = 1 PiBy", input: Value{F: 1024, U: "TiBy"}, toUnit: "PiBy", expected: Value{F: 1, U: "PiBy"}},
+		{name: "Pebibyte to tebibyte: 1 PiBy = 1024 TiBy", input: Value{F: 1, U: "PiBy"}, toUnit: "TiBy", expected: Value{F: 1024, U: "TiBy"}},
+		{name: "Gibibyte to bytes: 1 GiBy = 1073741824 By", input: Value{F: 1, U: "GiBy"}, toUnit: "By", expected: Value{F: 1024 * 1024 * 1024, U: "By"}},
+		{name: "Tebibyte to bytes: 1 TiBy = 1099511627776 By", input: Value{F: 1, U: "TiBy"}, toUnit: "By", expected: Value{F: 1024 * 1024 * 1024 * 1024, U: "By"}},
+		// SI bit scaling
+		{name: "SI bit scaling: 1000 bit = 1 kbit", input: Value{F: 1000, U: "bit"}, toUnit: "kbit", expected: Value{F: 1, U: "kbit"}},
+		{name: "Kilobit to bits: 1 kbit = 1000 bit", input: Value{F: 1, U: "kbit"}, toUnit: "bit", expected: Value{F: 1000, U: "bit"}},
+		{name: "SI bit scaling: 1000 kbit = 1 Mbit", input: Value{F: 1000, U: "kbit"}, toUnit: "Mbit", expected: Value{F: 1, U: "Mbit"}},
+		{name: "Gigabit to bits: 1 Gbit = 1000000000 bit", input: Value{F: 1, U: "Gbit"}, toUnit: "bit", expected: Value{F: 1000 * 1000 * 1000, U: "bit"}},
+		{name: "SI bit scaling: 1000 Mbit = 1 Gbit", input: Value{F: 1000, U: "Mbit"}, toUnit: "Gbit", expected: Value{F: 1, U: "Gbit"}},
+		{name: "Gigabit to megabit: 1 Gbit = 1000 Mbit", input: Value{F: 1, U: "Gbit"}, toUnit: "Mbit", expected: Value{F: 1000, U: "Mbit"}},
+		{name: "SI bit scaling: 1000 Gbit = 1 Tbit", input: Value{F: 1000, U: "Gbit"}, toUnit: "Tbit", expected: Value{F: 1, U: "Tbit"}},
+		{name: "Terabit to gigabit: 1 Tbit = 1000 Gbit", input: Value{F: 1, U: "Tbit"}, toUnit: "Gbit", expected: Value{F: 1000, U: "Gbit"}},
+		{name: "SI bit scaling: 1000 Tbit = 1 Pbit", input: Value{F: 1000, U: "Tbit"}, toUnit: "Pbit", expected: Value{F: 1, U: "Pbit"}},
+		{name: "Petabit to terabit: 1 Pbit = 1000 Tbit", input: Value{F: 1, U: "Pbit"}, toUnit: "Tbit", expected: Value{F: 1000, U: "Tbit"}},
+		// Binary bit scaling
+		{name: "Binary bit scaling: 1024 bit = 1 Kibit", input: Value{F: 1024, U: "bit"}, toUnit: "Kibit", expected: Value{F: 1, U: "Kibit"}},
+		{name: "Kibibit to bits: 1 Kibit = 1024 bit", input: Value{F: 1, U: "Kibit"}, toUnit: "bit", expected: Value{F: 1024, U: "bit"}},
+		{name: "Binary bit scaling: 1024 Kibit = 1 Mibit", input: Value{F: 1024, U: "Kibit"}, toUnit: "Mibit", expected: Value{F: 1, U: "Mibit"}},
+		{name: "Mebibit to kibibit: 1 Mibit = 1024 Kibit", input: Value{F: 1, U: "Mibit"}, toUnit: "Kibit", expected: Value{F: 1024, U: "Kibit"}},
+		{name: "Binary bit scaling: 1024 Mibit = 1 Gibit", input: Value{F: 1024, U: "Mibit"}, toUnit: "Gibit", expected: Value{F: 1, U: "Gibit"}},
+		{name: "Gibibit to mebibit: 1 Gibit = 1024 Mibit", input: Value{F: 1, U: "Gibit"}, toUnit: "Mibit", expected: Value{F: 1024, U: "Mibit"}},
+		{name: "Binary bit scaling: 1024 Gibit = 1 Tibit", input: Value{F: 1024, U: "Gibit"}, toUnit: "Tibit", expected: Value{F: 1, U: "Tibit"}},
+		{name: "Tebibit to gibibit: 1 Tibit = 1024 Gibit", input: Value{F: 1, U: "Tibit"}, toUnit: "Gibit", expected: Value{F: 1024, U: "Gibit"}},
+		{name: "Binary bit scaling: 1024 Tibit = 1 Pibit", input: Value{F: 1024, U: "Tibit"}, toUnit: "Pibit", expected: Value{F: 1, U: "Pibit"}},
+		{name: "Pebibit to tebibit: 1 Pibit = 1024 Tibit", input: Value{F: 1, U: "Pibit"}, toUnit: "Tibit", expected: Value{F: 1024, U: "Tibit"}},
+		// Bytes to bits
+		{name: "Bytes to bits: 1 KiBy = 8 Kibit", input: Value{F: 1, U: "KiBy"}, toUnit: "Kibit", expected: Value{F: 8, U: "Kibit"}},
+		{name: "Bytes to bits: 1 MiBy = 8 Mibit", input: Value{F: 1, U: "MiBy"}, toUnit: "Mibit", expected: Value{F: 8, U: "Mibit"}},
+		{name: "Bytes to bits: 1 GiBy = 8 Gibit", input: Value{F: 1, U: "GiBy"}, toUnit: "Gibit", expected: Value{F: 8, U: "Gibit"}},
+		// SI byte scaling (Exa, Zetta, Yotta)
+		{name: "SI byte scaling: 1000 PBy = 1 EBy", input: Value{F: 1000, U: "PBy"}, toUnit: "EBy", expected: Value{F: 1, U: "EBy"}},
+		{name: "Exabyte to bytes: 1 EBy = 1e18 By", input: Value{F: 1, U: "EBy"}, toUnit: "By", expected: Value{F: 1e18, U: "By"}},
+		{name: "SI byte scaling: 1000 EBy = 1 ZBy", input: Value{F: 1000, U: "EBy"}, toUnit: "ZBy", expected: Value{F: 1, U: "ZBy"}},
+		{name: "Zettabyte to petabytes: 1 ZBy = 1000000 PBy", input: Value{F: 1, U: "ZBy"}, toUnit: "PBy", expected: Value{F: 1e6, U: "PBy"}},
+		{name: "SI byte scaling: 1000 ZBy = 1 YBy", input: Value{F: 1000, U: "ZBy"}, toUnit: "YBy", expected: Value{F: 1, U: "YBy"}},
+		{name: "Yottabyte to zettabyte: 1 YBy = 1000 ZBy", input: Value{F: 1, U: "YBy"}, toUnit: "ZBy", expected: Value{F: 1000, U: "ZBy"}},
+		// Binary byte scaling (Exbi, Zebi, Yobi)
+		{name: "Binary byte scaling: 1024 PiBy = 1 EiBy", input: Value{F: 1024, U: "PiBy"}, toUnit: "EiBy", expected: Value{F: 1, U: "EiBy"}},
+		{name: "Exbibyte to tebibytes: 1 EiBy = 1048576 TiBy", input: Value{F: 1, U: "EiBy"}, toUnit: "TiBy", expected: Value{F: 1024 * 1024, U: "TiBy"}},
+		{name: "Binary byte scaling: 1024 EiBy = 1 ZiBy", input: Value{F: 1024, U: "EiBy"}, toUnit: "ZiBy", expected: Value{F: 1, U: "ZiBy"}},
+		{name: "Zebibyte to exbibyte: 1 ZiBy = 1024 EiBy", input: Value{F: 1, U: "ZiBy"}, toUnit: "EiBy", expected: Value{F: 1024, U: "EiBy"}},
+		{name: "Binary byte scaling: 1024 ZiBy = 1 YiBy", input: Value{F: 1024, U: "ZiBy"}, toUnit: "YiBy", expected: Value{F: 1, U: "YiBy"}},
+		{name: "Yobibyte to zebibyte: 1 YiBy = 1024 ZiBy", input: Value{F: 1, U: "YiBy"}, toUnit: "ZiBy", expected: Value{F: 1024, U: "ZiBy"}},
+		// SI bit scaling (Exa, Zetta, Yotta)
+		{name: "SI bit scaling: 1000 Pbit = 1 Ebit", input: Value{F: 1000, U: "Pbit"}, toUnit: "Ebit", expected: Value{F: 1, U: "Ebit"}},
+		{name: "Exabit to gigabits: 1 Ebit = 1e9 Gbit", input: Value{F: 1, U: "Ebit"}, toUnit: "Gbit", expected: Value{F: 1e9, U: "Gbit"}},
+		{name: "SI bit scaling: 1000 Ebit = 1 Zbit", input: Value{F: 1000, U: "Ebit"}, toUnit: "Zbit", expected: Value{F: 1, U: "Zbit"}},
+		{name: "Zettabit to exabit: 1 Zbit = 1000 Ebit", input: Value{F: 1, U: "Zbit"}, toUnit: "Ebit", expected: Value{F: 1000, U: "Ebit"}},
+		{name: "SI bit scaling: 1000 Zbit = 1 Ybit", input: Value{F: 1000, U: "Zbit"}, toUnit: "Ybit", expected: Value{F: 1, U: "Ybit"}},
+		{name: "Yottabit to zettabit: 1 Ybit = 1000 Zbit", input: Value{F: 1, U: "Ybit"}, toUnit: "Zbit", expected: Value{F: 1000, U: "Zbit"}},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got := dataConverter.Convert(tt.input, tt.toUnit)
+			assert.Equal(t, tt.expected, got)
+		})
+	}
 }

pkg/query-service/converter/time.go

@@ -47,7 +47,7 @@ func FromTimeUnit(u Unit) Duration {
 		return Hour
 	case "d":
 		return Day
-	case "w":
+	case "w", "wk":
 		return Week
 	default:
 		return Second

pkg/query-service/converter/time_test.go

@@ -54,4 +54,13 @@ func TestDurationConvert(t *testing.T) {
 	assert.Equal(t, Value{F: 1, U: "ms"}, timeConverter.Convert(Value{F: 1000, U: "us"}, "ms"))
 	// 1000000000 ns = 1 s
 	assert.Equal(t, Value{F: 1, U: "s"}, timeConverter.Convert(Value{F: 1000000000, U: "ns"}, "s"))
+
+	// 7 d = 1 wk
+	assert.Equal(t, Value{F: 1, U: "wk"}, timeConverter.Convert(Value{F: 7, U: "d"}, "wk"))
+	// 1 wk = 7 d
+	assert.Equal(t, Value{F: 7, U: "d"}, timeConverter.Convert(Value{F: 1, U: "wk"}, "d"))
+	// 1 wk = 168 h
+	assert.Equal(t, Value{F: 168, U: "h"}, timeConverter.Convert(Value{F: 1, U: "wk"}, "h"))
+	// 604800 s = 1 wk
+	assert.Equal(t, Value{F: 1, U: "wk"}, timeConverter.Convert(Value{F: 604800, U: "s"}, "wk"))
 }

pkg/query-service/formatter/data.go

@@ -24,30 +24,30 @@ func (f *dataFormatter) Format(value float64, unit string) string {
 		return humanize.IBytes(uint64(value))
 	case "decbytes":
 		return humanize.Bytes(uint64(value))
-	case "bits":
-		return humanize.IBytes(uint64(value * converter.Bit))
-	case "decbits":
-		return humanize.Bytes(uint64(value * converter.Bit))
-	case "kbytes", "kBy":
+	case "kbytes", "KiBy", "Kibit":
 		return humanize.IBytes(uint64(value * converter.Kibibit))
-	case "decKbytes", "deckbytes":
-		return humanize.IBytes(uint64(value * converter.Kilobit))
-	case "mbytes", "MBy":
+	case "decKbytes", "deckbytes", "kBy", "kbit":
+		return humanize.Bytes(uint64(value * converter.Kilobit))
+	case "mbytes", "MiBy", "Mibit":
 		return humanize.IBytes(uint64(value * converter.Mebibit))
-	case "decMbytes", "decmbytes":
+	case "decMbytes", "decmbytes", "MBy", "Mbit":
 		return humanize.Bytes(uint64(value * converter.Megabit))
-	case "gbytes", "GBy":
+	case "gbytes", "GiBy", "Gibit":
 		return humanize.IBytes(uint64(value * converter.Gibibit))
-	case "decGbytes", "decgbytes":
+	case "decGbytes", "decgbytes", "GBy", "Gbit":
 		return humanize.Bytes(uint64(value * converter.Gigabit))
-	case "tbytes", "TBy":
+	case "tbytes", "TiBy", "Tibit":
 		return humanize.IBytes(uint64(value * converter.Tebibit))
-	case "decTbytes", "dectbytes":
+	case "decTbytes", "dectbytes", "TBy", "Tbit":
 		return humanize.Bytes(uint64(value * converter.Terabit))
-	case "pbytes", "PBy":
+	case "pbytes", "PiBy", "Pibit":
 		return humanize.IBytes(uint64(value * converter.Pebibit))
-	case "decPbytes", "decpbytes":
+	case "decPbytes", "decpbytes", "PBy", "Pbit":
 		return humanize.Bytes(uint64(value * converter.Petabit))
+	case "EiBy":
+		return humanize.IBytes(uint64(value * converter.Exbibit))
+	case "EBy", "Ebit":
+		return humanize.Bytes(uint64(value * converter.Exabit))
 	}
 	// When unit is not matched, return the value as it is.
 	return fmt.Sprintf("%v", value)

pkg/query-service/formatter/data_rate.go

@@ -28,46 +28,31 @@ func (f *dataRateFormatter) Format(value float64, unit string) string {
 		return humanize.IBytes(uint64(value*converter.BitPerSecond)) + "/s"
 	case "bps", "bit/s":
 		return humanize.Bytes(uint64(value*converter.BitPerSecond)) + "/s"
-	case "KiBs":
+	case "KiBs", "KiBy/s", "Kibits", "Kibit/s":
 		return humanize.IBytes(uint64(value*converter.KibibitPerSecond)) + "/s"
-	case "Kibits":
-		return humanize.IBytes(uint64(value*converter.KibibytePerSecond)) + "/s"
-	case "KBs", "kBy/s":
+	case "KBs", "kBy/s", "Kbits", "kbit/s":
 		return humanize.IBytes(uint64(value*converter.KilobitPerSecond)) + "/s"
-	case "Kbits", "kbit/s":
-		return humanize.IBytes(uint64(value*converter.KilobytePerSecond)) + "/s"
-	case "MiBs":
+	case "MiBs", "MiBy/s", "Mibits", "Mibit/s":
 		return humanize.IBytes(uint64(value*converter.MebibitPerSecond)) + "/s"
-	case "Mibits":
-		return humanize.IBytes(uint64(value*converter.MebibytePerSecond)) + "/s"
-	case "MBs", "MBy/s":
+	case "MBs", "MBy/s", "Mbits", "Mbit/s":
 		return humanize.IBytes(uint64(value*converter.MegabitPerSecond)) + "/s"
-	case "Mbits", "Mbit/s":
-		return humanize.IBytes(uint64(value*converter.MegabytePerSecond)) + "/s"
-	case "GiBs":
+	case "GiBs", "GiBy/s", "Gibits", "Gibit/s":
 		return humanize.IBytes(uint64(value*converter.GibibitPerSecond)) + "/s"
-	case "Gibits":
-		return humanize.IBytes(uint64(value*converter.GibibytePerSecond)) + "/s"
-	case "GBs", "GBy/s":
+	case "GBs", "GBy/s", "Gbits", "Gbit/s":
 		return humanize.IBytes(uint64(value*converter.GigabitPerSecond)) + "/s"
-	case "Gbits", "Gbit/s":
-		return humanize.IBytes(uint64(value*converter.GigabytePerSecond)) + "/s"
-	case "TiBs":
+	case "TiBs", "TiBy/s", "Tibits", "Tibit/s":
 		return humanize.IBytes(uint64(value*converter.TebibitPerSecond)) + "/s"
-	case "Tibits":
-		return humanize.IBytes(uint64(value*converter.TebibytePerSecond)) + "/s"
-	case "TBs", "TBy/s":
+	case "TBs", "TBy/s", "Tbits", "Tbit/s":
 		return humanize.IBytes(uint64(value*converter.TerabitPerSecond)) + "/s"
-	case "Tbits", "Tbit/s":
-		return humanize.IBytes(uint64(value*converter.TerabytePerSecond)) + "/s"
-	case "PiBs":
+	case "PiBs", "PiBy/s", "Pibits", "Pibit/s":
 		return humanize.IBytes(uint64(value*converter.PebibitPerSecond)) + "/s"
-	case "Pibits":
-		return humanize.IBytes(uint64(value*converter.PebibytePerSecond)) + "/s"
-	case "PBs", "PBy/s":
+	case "PBs", "PBy/s", "Pbits", "Pbit/s":
 		return humanize.IBytes(uint64(value*converter.PetabitPerSecond)) + "/s"
-	case "Pbits", "Pbit/s":
-		return humanize.IBytes(uint64(value*converter.PetabytePerSecond)) + "/s"
+	// Exa units
+	case "EBy/s", "Ebit/s":
+		return humanize.Bytes(uint64(value*converter.ExabitPerSecond)) + "/s"
+	case "EiBy/s", "Eibit/s":
+		return humanize.IBytes(uint64(value*converter.ExbibitPerSecond)) + "/s"
 	}
 	// When unit is not matched, return the value as it is.
 	return fmt.Sprintf("%v", value)

pkg/query-service/formatter/data_rate_test.go

@@ -0,0 +1,149 @@
+package formatter
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestDataRateFormatterComprehensive(t *testing.T) {
+	dataRateFormatter := NewDataRateFormatter()
+
+	tests := []struct {
+		name     string
+		value    float64
+		unit     string
+		expected string
+	}{
+		// IEC Base bytes/sec - binBps
+		{name: "binBps as Bps", value: 0, unit: "binBps", expected: "0 B/s"},
+		{name: "1 binBps as 1 Bps", value: 1, unit: "binBps", expected: "1 B/s"},
+		{name: "binBps as Kibps", value: 1024, unit: "binBps", expected: "1.0 KiB/s"},
+		{name: "binBps as Mibps", value: 1024 * 1024, unit: "binBps", expected: "1.0 MiB/s"},
+		{name: "binBps as Gibps", value: 1024 * 1024 * 1024, unit: "binBps", expected: "1.0 GiB/s"},
+
+		// SI Base bytes/sec - Bps, By/s
+		{name: "Bps as Bps", value: 1, unit: "Bps", expected: "1 B/s"},
+		{name: "Bps as kbps", value: 1000, unit: "Bps", expected: "1.0 kB/s"},
+		{name: "Bps as Mbps", value: 1000 * 1000, unit: "Bps", expected: "1.0 MB/s"},
+		{name: "Byps as kbps", value: 1000, unit: "By/s", expected: "1.0 kB/s"},
+
+		// IEC Base bits/sec - binbps
+		{name: "binbps as Bps", value: 1, unit: "binbps", expected: "1 B/s"},
+		{name: "binbps as Kibps", value: 1024, unit: "binbps", expected: "1.0 KiB/s"},
+		{name: "binbps as Mibps", value: 1024 * 1024, unit: "binbps", expected: "1.0 MiB/s"},
+
+		// SI Base bits/sec - bps, bit/s
+		{name: "bps as kbps", value: 1000, unit: "bps", expected: "1.0 kB/s"},
+		{name: "bitps as kbps", value: 1000, unit: "bit/s", expected: "1.0 kB/s"},
+
+		// Kibibytes/sec - KiBs, KiBy/s
+		{name: "Kibs as Bps", value: 0, unit: "KiBs", expected: "0 B/s"},
+		{name: "Kibs as Kibps", value: 1, unit: "KiBs", expected: "1.0 KiB/s"},
+		{name: "Kibs as Mibps", value: 1024, unit: "KiBs", expected: "1.0 MiB/s"},
+		{name: "Kibs as Gibps", value: 3 * 1024 * 1024, unit: "KiBs", expected: "3.0 GiB/s"},
+		{name: "KiByps as Kibps", value: 1, unit: "KiBy/s", expected: "1.0 KiB/s"},
+		{name: "KiByps as Mibps", value: 1024, unit: "KiBy/s", expected: "1.0 MiB/s"},
+
+		// Kibibits/sec - Kibits, Kibit/s
+		{name: "Kibitps as Kibps", value: 1, unit: "Kibits", expected: "1.0 KiB/s"},
+		{name: "Kibitps as Mibps", value: 42 * 1024, unit: "Kibits", expected: "42 MiB/s"},
+		{name: "Kibitps as Kibps 10", value: 10, unit: "Kibit/s", expected: "10 KiB/s"},
+
+		// Kilobytes/sec (SI) - KBs, kBy/s
+		{name: "Kbs as Bps", value: 0.5, unit: "KBs", expected: "500 B/s"},
+		{name: "Kbs as Mibps", value: 1048.6, unit: "KBs", expected: "1.0 MiB/s"},
+		{name: "kByps as Bps", value: 1, unit: "kBy/s", expected: "1000 B/s"},
+
+		// Kilobits/sec (SI) - Kbits, kbit/s
+		{name: "Kbitps as Bps", value: 1, unit: "Kbits", expected: "1000 B/s"},
+		{name: "kbitps as Bps", value: 1, unit: "kbit/s", expected: "1000 B/s"},
+
+		// Mebibytes/sec - MiBs, MiBy/s
+		{name: "Mibs as Mibps", value: 1, unit: "MiBs", expected: "1.0 MiB/s"},
+		{name: "Mibs as Gibps", value: 1024, unit: "MiBs", expected: "1.0 GiB/s"},
+		{name: "Mibs as Tibps", value: 1024 * 1024, unit: "MiBs", expected: "1.0 TiB/s"},
+		{name: "MiByps as Mibps", value: 1, unit: "MiBy/s", expected: "1.0 MiB/s"},
+
+		// Mebibits/sec - Mibits, Mibit/s
+		{name: "Mibitps as Mibps", value: 40, unit: "Mibits", expected: "40 MiB/s"},
+		{name: "Mibitps as Mibps per second variant", value: 10, unit: "Mibit/s", expected: "10 MiB/s"},
+
+		// Megabytes/sec (SI) - MBs, MBy/s
+		{name: "Mbs as Kibps", value: 1, unit: "MBs", expected: "977 KiB/s"},
+		{name: "MByps as Kibps", value: 1, unit: "MBy/s", expected: "977 KiB/s"},
+
+		// Megabits/sec (SI) - Mbits, Mbit/s
+		{name: "Mbitps as Kibps", value: 1, unit: "Mbits", expected: "977 KiB/s"},
+		{name: "Mbitps as Kibps per second variant", value: 1, unit: "Mbit/s", expected: "977 KiB/s"},
+
+		// Gibibytes/sec - GiBs, GiBy/s
+		{name: "Gibs as Gibps", value: 1, unit: "GiBs", expected: "1.0 GiB/s"},
+		{name: "Gibs as Tibps", value: 1024, unit: "GiBs", expected: "1.0 TiB/s"},
+		{name: "GiByps as Tibps", value: 42 * 1024, unit: "GiBy/s", expected: "42 TiB/s"},
+
+		// Gibibits/sec - Gibits, Gibit/s
+		{name: "Gibitps as Tibps", value: 42 * 1024, unit: "Gibits", expected: "42 TiB/s"},
+		{name: "Gibitps as Tibps per second variant", value: 42 * 1024, unit: "Gibit/s", expected: "42 TiB/s"},
+
+		// Gigabytes/sec (SI) - GBs, GBy/s
+		{name: "Gbs as Tibps", value: 42 * 1000, unit: "GBs", expected: "38 TiB/s"},
+		{name: "GByps as Tibps", value: 42 * 1000, unit: "GBy/s", expected: "38 TiB/s"},
+
+		// Gigabits/sec (SI) - Gbits, Gbit/s
+		{name: "Gbitps as Tibps", value: 42 * 1000, unit: "Gbits", expected: "38 TiB/s"},
+		{name: "Gbitps as Tibps per second variant", value: 42 * 1000, unit: "Gbit/s", expected: "38 TiB/s"},
+
+		// Tebibytes/sec - TiBs, TiBy/s
+		{name: "Tibs as Tibps", value: 1, unit: "TiBs", expected: "1.0 TiB/s"},
+		{name: "Tibs as Pibps", value: 1024, unit: "TiBs", expected: "1.0 PiB/s"},
+		{name: "TiByps as Pibps", value: 42 * 1024, unit: "TiBy/s", expected: "42 PiB/s"},
+
+		// Tebibits/sec - Tibits, Tibit/s
+		{name: "Tibitps as Pibps", value: 42 * 1024, unit: "Tibits", expected: "42 PiB/s"},
+		{name: "Tibitps as Pibps per second variant", value: 42 * 1024, unit: "Tibit/s", expected: "42 PiB/s"},
+
+		// Terabytes/sec (SI) - TBs, TBy/s
+		{name: "Tbs as Pibps", value: 42 * 1000, unit: "TBs", expected: "37 PiB/s"},
+		{name: "TByps as Pibps", value: 42 * 1000, unit: "TBy/s", expected: "37 PiB/s"},
+
+		// Terabits/sec (SI) - Tbits, Tbit/s
+		{name: "Tbitps as Pibps", value: 42 * 1000, unit: "Tbits", expected: "37 PiB/s"},
+		{name: "Tbitps as Pibps per second variant", value: 42 * 1000, unit: "Tbit/s", expected: "37 PiB/s"},
+
+		// Pebibytes/sec - PiBs, PiBy/s
+		{name: "Pibs as Eibps", value: 10 * 1024, unit: "PiBs", expected: "10 EiB/s"},
+		{name: "PiByps as Eibps", value: 10 * 1024, unit: "PiBy/s", expected: "10 EiB/s"},
+
+		// Pebibits/sec - Pibits, Pibit/s
+		{name: "Pibitps as Eibps", value: 10 * 1024, unit: "Pibits", expected: "10 EiB/s"},
+		{name: "Pibitps as Eibps per second variant", value: 10 * 1024, unit: "Pibit/s", expected: "10 EiB/s"},
+
+		// Petabytes/sec (SI) - PBs, PBy/s
+		{name: "Pbs as Pibps", value: 42, unit: "PBs", expected: "37 PiB/s"},
+		{name: "PByps as Pibps", value: 42, unit: "PBy/s", expected: "37 PiB/s"},
+
+		// Petabits/sec (SI) - Pbits, Pbit/s
+		{name: "Pbitps as Pibps", value: 42, unit: "Pbits", expected: "37 PiB/s"},
+		{name: "Pbitps as Pibps per second variant", value: 42, unit: "Pbit/s", expected: "37 PiB/s"},
+
+		// Exabytes/sec (SI) - EBy/s
+		{name: "EByps as Ebps", value: 10, unit: "EBy/s", expected: "10 EB/s"},
+
+		// Exabits/sec (SI) - Ebit/s
+		{name: "Ebitps as Ebps", value: 10, unit: "Ebit/s", expected: "10 EB/s"},
+
+		// Exbibytes/sec (IEC) - EiBy/s
+		{name: "EiByps as Eibps", value: 10, unit: "EiBy/s", expected: "10 EiB/s"},
+
+		// Exbibits/sec (IEC) - Eibit/s
+		{name: "Eibitps as Eibps", value: 10, unit: "Eibit/s", expected: "10 EiB/s"},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got := dataRateFormatter.Format(tt.value, tt.unit)
+			assert.Equal(t, tt.expected, got)
+		})
+	}
+}

pkg/query-service/formatter/data_test.go

@@ -14,21 +14,161 @@ func TestData(t *testing.T) {
 	assert.Equal(t, "1.0 KiB", dataFormatter.Format(1024, "bytes"))
 	assert.Equal(t, "1.0 KiB", dataFormatter.Format(1024, "By"))
 	assert.Equal(t, "2.3 GiB", dataFormatter.Format(2.3*1024, "mbytes"))
-	assert.Equal(t, "2.3 GiB", dataFormatter.Format(2.3*1024, "MBy"))
+	assert.Equal(t, "2.3 GiB", dataFormatter.Format(2.3*1024, "MiBy"))
 	assert.Equal(t, "1.0 MiB", dataFormatter.Format(1024*1024, "bytes"))
 	assert.Equal(t, "1.0 MiB", dataFormatter.Format(1024*1024, "By"))
 	assert.Equal(t, "69 TiB", dataFormatter.Format(69*1024*1024, "mbytes"))
-	assert.Equal(t, "69 TiB", dataFormatter.Format(69*1024*1024, "MBy"))
+	assert.Equal(t, "69 TiB", dataFormatter.Format(69*1024*1024, "MiBy"))
 	assert.Equal(t, "102 KiB", dataFormatter.Format(102*1024, "bytes"))
 	assert.Equal(t, "102 KiB", dataFormatter.Format(102*1024, "By"))
 	assert.Equal(t, "240 MiB", dataFormatter.Format(240*1024, "kbytes"))
-	assert.Equal(t, "240 MiB", dataFormatter.Format(240*1024, "kBy"))
+	assert.Equal(t, "240 MiB", dataFormatter.Format(240*1024, "KiBy"))
 	assert.Equal(t, "1.0 GiB", dataFormatter.Format(1024*1024, "kbytes"))
-	assert.Equal(t, "1.0 GiB", dataFormatter.Format(1024*1024, "kBy"))
+	assert.Equal(t, "1.0 GiB", dataFormatter.Format(1024*1024, "KiBy"))
 	assert.Equal(t, "23 GiB", dataFormatter.Format(23*1024*1024, "kbytes"))
-	assert.Equal(t, "23 GiB", dataFormatter.Format(23*1024*1024, "kBy"))
+	assert.Equal(t, "23 GiB", dataFormatter.Format(23*1024*1024, "KiBy"))
 	assert.Equal(t, "32 TiB", dataFormatter.Format(32*1024*1024*1024, "kbytes"))
-	assert.Equal(t, "32 TiB", dataFormatter.Format(32*1024*1024*1024, "kBy"))
+	assert.Equal(t, "32 TiB", dataFormatter.Format(32*1024*1024*1024, "KiBy"))
 	assert.Equal(t, "24 MiB", dataFormatter.Format(24, "mbytes"))
-	assert.Equal(t, "24 MiB", dataFormatter.Format(24, "MBy"))
+	assert.Equal(t, "24 MiB", dataFormatter.Format(24, "MiBy"))
+}
+
+func TestDataFormatterComprehensive(t *testing.T) {
+	dataFormatter := NewDataFormatter()
+
+	tests := []struct {
+		name     string
+		value    float64
+		unit     string
+		expected string
+	}{
+		// IEC Base bytes - bytes, By
+		{name: "bytes: 0", value: 0, unit: "bytes", expected: "0 B"},
+		{name: "bytes: 1", value: 1, unit: "bytes", expected: "1 B"},
+		{name: "bytes: 512", value: 512, unit: "bytes", expected: "512 B"},
+		{name: "bytes: 1023", value: 1023, unit: "bytes", expected: "1023 B"},
+		{name: "bytes: 1024 = 1 KiB", value: 1024, unit: "bytes", expected: "1.0 KiB"},
+		{name: "bytes: 1536", value: 1536, unit: "bytes", expected: "1.5 KiB"},
+		{name: "bytes: 1024*1024 = 1 MiB", value: 1024 * 1024, unit: "bytes", expected: "1.0 MiB"},
+		{name: "bytes: 1024*1024*1024 = 1 GiB", value: 1024 * 1024 * 1024, unit: "bytes", expected: "1.0 GiB"},
+		{name: "By: same as bytes", value: 1024, unit: "By", expected: "1.0 KiB"},
+
+		// SI Base bytes - decbytes
+		{name: "decbytes: 1", value: 1, unit: "decbytes", expected: "1 B"},
+		{name: "decbytes: 1000 = 1 kB", value: 1000, unit: "decbytes", expected: "1.0 kB"},
+		{name: "decbytes: 1000*1000 = 1 MB", value: 1000 * 1000, unit: "decbytes", expected: "1.0 MB"},
+		{name: "decbytes: 1000*1000*1000 = 1 GB", value: 1000 * 1000 * 1000, unit: "decbytes", expected: "1.0 GB"},
+
+		// Kibibytes - kbytes, KiBy (IEC)
+		{name: "kbytes: 0", value: 0, unit: "kbytes", expected: "0 B"},
+		{name: "kbytes: 1 = 1 KiB", value: 1, unit: "kbytes", expected: "1.0 KiB"},
+		{name: "kbytes: 512", value: 512, unit: "kbytes", expected: "512 KiB"},
+		{name: "kbytes: 1024 = 1 MiB", value: 1024, unit: "kbytes", expected: "1.0 MiB"},
+		{name: "kbytes: 1024*1024 = 1 GiB", value: 1024 * 1024, unit: "kbytes", expected: "1.0 GiB"},
+		{name: "kbytes: 2.3*1024 = 2.3 MiB", value: 2.3 * 1024, unit: "kbytes", expected: "2.3 MiB"},
+		{name: "KiBy: 1 = 1 KiB", value: 1, unit: "KiBy", expected: "1.0 KiB"},
+		{name: "KiBy: 1024 = 1 MiB", value: 1024, unit: "KiBy", expected: "1.0 MiB"},
+		{name: "kbytes and KiBy alias", value: 240 * 1024, unit: "KiBy", expected: "240 MiB"},
+
+		// SI Kilobytes - decKbytes, deckbytes, kBy
+		{name: "decKbytes: 1 = 1 kB", value: 1, unit: "decKbytes", expected: "1.0 kB"},
+		{name: "decKbytes: 1000 = 1 MB", value: 1000, unit: "decKbytes", expected: "1.0 MB"},
+		{name: "deckbytes: 1 = 1 kB", value: 1, unit: "deckbytes", expected: "1.0 kB"},
+		{name: "kBy: 1 = 1 kB", value: 1, unit: "kBy", expected: "1.0 kB"},
+		{name: "kBy: 1000 = 1 MB", value: 1000, unit: "kBy", expected: "1.0 MB"},
+
+		// Mebibytes - mbytes, MiBy (IEC)
+		{name: "mbytes: 1 = 1 MiB", value: 1, unit: "mbytes", expected: "1.0 MiB"},
+		{name: "mbytes: 24", value: 24, unit: "mbytes", expected: "24 MiB"},
+		{name: "mbytes: 1024 = 1 GiB", value: 1024, unit: "mbytes", expected: "1.0 GiB"},
+		{name: "mbytes: 1024*1024 = 1 TiB", value: 1024 * 1024, unit: "mbytes", expected: "1.0 TiB"},
+		{name: "mbytes: 69*1024 = 69 GiB", value: 69 * 1024, unit: "mbytes", expected: "69 GiB"},
+		{name: "mbytes: 69*1024*1024 = 69 TiB", value: 69 * 1024 * 1024, unit: "mbytes", expected: "69 TiB"},
+		{name: "MiBy: 1 = 1 MiB", value: 1, unit: "MiBy", expected: "1.0 MiB"},
+		{name: "MiBy: 1024 = 1 GiB", value: 1024, unit: "MiBy", expected: "1.0 GiB"},
+
+		// SI Megabytes - decMbytes, decmbytes, MBy
+		{name: "decMbytes: 1 = 1 MB", value: 1, unit: "decMbytes", expected: "1.0 MB"},
+		{name: "decMbytes: 1000 = 1 GB", value: 1000, unit: "decMbytes", expected: "1.0 GB"},
+		{name: "decmbytes: 1 = 1 MB", value: 1, unit: "decmbytes", expected: "1.0 MB"},
+		{name: "MBy: 1 = 1 MB", value: 1, unit: "MBy", expected: "1.0 MB"},
+
+		// Gibibytes - gbytes, GiBy (IEC)
+		{name: "gbytes: 1 = 1 GiB", value: 1, unit: "gbytes", expected: "1.0 GiB"},
+		{name: "gbytes: 1024 = 1 TiB", value: 1024, unit: "gbytes", expected: "1.0 TiB"},
+		{name: "GiBy: 42*1024 = 42 TiB", value: 42 * 1024, unit: "GiBy", expected: "42 TiB"},
+
+		// SI Gigabytes - decGbytes, decgbytes, GBy
+		{name: "decGbytes: 42*1000 = 42 TB", value: 42 * 1000, unit: "decGbytes", expected: "42 TB"},
+		{name: "GBy: 42*1000 = 42 TB", value: 42 * 1000, unit: "GBy", expected: "42 TB"},
+
+		// Tebibytes - tbytes, TiBy (IEC)
+		{name: "tbytes: 1 = 1 TiB", value: 1, unit: "tbytes", expected: "1.0 TiB"},
+		{name: "tbytes: 1024 = 1 PiB", value: 1024, unit: "tbytes", expected: "1.0 PiB"},
+		{name: "TiBy: 42*1024 = 42 PiB", value: 42 * 1024, unit: "TiBy", expected: "42 PiB"},
+
+		// SI Terabytes - decTbytes, dectbytes, TBy
+		{name: "decTbytes: 42*1000 = 42 PB", value: 42 * 1000, unit: "decTbytes", expected: "42 PB"},
+		{name: "dectbytes: 42*1000 = 42 PB", value: 42 * 1000, unit: "dectbytes", expected: "42 PB"},
+		{name: "TBy: 42*1000 = 42 PB", value: 42 * 1000, unit: "TBy", expected: "42 PB"},
+
+		// Pebibytes - pbytes, PiBy (IEC)
+		{name: "pbytes: 10*1024 = 10 EiB", value: 10 * 1024, unit: "pbytes", expected: "10 EiB"},
+		{name: "PiBy: 10*1024 = 10 EiB", value: 10 * 1024, unit: "PiBy", expected: "10 EiB"},
+
+		// SI Petabytes - decPbytes, decpbytes, PBy
+		{name: "decPbytes: 42 = 42 PB", value: 42, unit: "decPbytes", expected: "42 PB"},
+		{name: "decpbytes: 42 = 42 PB", value: 42, unit: "decpbytes", expected: "42 PB"},
+		{name: "PBy: 42 = 42 PB", value: 42, unit: "PBy", expected: "42 PB"},
+
+		// Exbibytes - EiBy (IEC)
+		{name: "EiBy: 10 = 10 EiB", value: 10, unit: "EiBy", expected: "10 EiB"},
+
+		// Exabytes - EBy (SI)
+		{name: "EBy: 10 = 10 EB", value: 10, unit: "EBy", expected: "10 EB"},
+
+		// Kibibits - Kibit (IEC)
+		{name: "Kibit: 1 = 1 KiB", value: 1, unit: "Kibit", expected: "1.0 KiB"},
+		{name: "Kibit: 1024 = 1 MiB", value: 1024, unit: "Kibit", expected: "1.0 MiB"},
+
+		// Mebibits - Mibit (IEC)
+		{name: "Mibit: 1 = 1 MiB", value: 1, unit: "Mibit", expected: "1.0 MiB"},
+		{name: "Mibit: 1024 = 1 GiB", value: 1024, unit: "Mibit", expected: "1.0 GiB"},
+
+		// Gibibits - Gibit (IEC)
+		{name: "Gibit: 42*1024 = 42 TiB", value: 42 * 1024, unit: "Gibit", expected: "42 TiB"},
+
+		// Tebibits - Tibit (IEC)
+		{name: "Tibit: 42*1024 = 42 PiB", value: 42 * 1024, unit: "Tibit", expected: "42 PiB"},
+
+		// Pebibits - Pibit (IEC)
+		{name: "Pibit: 10*1024 = 10 EiB", value: 10 * 1024, unit: "Pibit", expected: "10 EiB"},
+
+		// Kilobits - kbit (SI)
+		{name: "kbit: 1 = 1 kB", value: 1, unit: "kbit", expected: "1.0 kB"},
+		{name: "kbit: 1000 = 1 MB", value: 1000, unit: "kbit", expected: "1.0 MB"},
+
+		// Megabits - Mbit (SI)
+		{name: "Mbit: 1 = 1 MB", value: 1, unit: "Mbit", expected: "1.0 MB"},
+		{name: "Mbit: 1000 = 1 GB", value: 1000, unit: "Mbit", expected: "1.0 GB"},
+
+		// Gigabits - Gbit (SI)
+		{name: "Gbit: 42*1000 = 42 TB", value: 42 * 1000, unit: "Gbit", expected: "42 TB"},
+
+		// Terabits - Tbit (SI)
+		{name: "Tbit: 42*1000 = 42 PB", value: 42 * 1000, unit: "Tbit", expected: "42 PB"},
+
+		// Petabits - Pbit (SI)
+		{name: "Pbit: 42 = 42 PB", value: 42, unit: "Pbit", expected: "42 PB"},
+
+		// Exabits - Ebit (SI)
+		{name: "Ebit: 10 = 10 EB", value: 10, unit: "Ebit", expected: "10 EB"},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got := dataFormatter.Format(tt.value, tt.unit)
+			assert.Equal(t, tt.expected, got)
+		})
+	}
 }

pkg/query-service/formatter/formatter.go

@@ -18,11 +18,11 @@ var (
 
 func FromUnit(u string) Formatter {
 	switch u {
-	case "ns", "us", "µs", "ms", "s", "m", "h", "d", "min":
+	case "ns", "us", "µs", "ms", "s", "m", "h", "d", "min", "w", "wk":
 		return DurationFormatter
-	case "bytes", "decbytes", "bits", "decbits", "kbytes", "decKbytes", "deckbytes", "mbytes", "decMbytes", "decmbytes", "gbytes", "decGbytes", "decgbytes", "tbytes", "decTbytes", "dectbytes", "pbytes", "decPbytes", "decpbytes", "By", "kBy", "MBy", "GBy", "TBy", "PBy":
+	case "bytes", "decbytes", "bits", "bit", "decbits", "kbytes", "decKbytes", "deckbytes", "mbytes", "decMbytes", "decmbytes", "gbytes", "decGbytes", "decgbytes", "tbytes", "decTbytes", "dectbytes", "pbytes", "decPbytes", "decpbytes", "By", "kBy", "MBy", "GBy", "TBy", "PBy", "EBy", "KiBy", "MiBy", "GiBy", "TiBy", "PiBy", "EiBy", "kbit", "Mbit", "Gbit", "Tbit", "Pbit", "Ebit", "Kibit", "Mibit", "Gibit", "Tibit", "Pibit":
 		return DataFormatter
-	case "binBps", "Bps", "binbps", "bps", "KiBs", "Kibits", "KBs", "Kbits", "MiBs", "Mibits", "MBs", "Mbits", "GiBs", "Gibits", "GBs", "Gbits", "TiBs", "Tibits", "TBs", "Tbits", "PiBs", "Pibits", "PBs", "Pbits", "By/s", "kBy/s", "MBy/s", "GBy/s", "TBy/s", "PBy/s", "bit/s", "kbit/s", "Mbit/s", "Gbit/s", "Tbit/s", "Pbit/s":
+	case "binBps", "Bps", "binbps", "bps", "KiBs", "Kibits", "KBs", "Kbits", "MiBs", "Mibits", "MBs", "Mbits", "GiBs", "Gibits", "GBs", "Gbits", "TiBs", "Tibits", "TBs", "Tbits", "PiBs", "Pibits", "PBs", "Pbits", "By/s", "kBy/s", "MBy/s", "GBy/s", "TBy/s", "PBy/s", "EBy/s", "bit/s", "kbit/s", "Mbit/s", "Gbit/s", "Tbit/s", "Pbit/s", "Ebit/s", "KiBy/s", "MiBy/s", "GiBy/s", "TiBy/s", "PiBy/s", "EiBy/s", "Kibit/s", "Mibit/s", "Gibit/s", "Tibit/s", "Pibit/s", "Eibit/s":
 		return DataRateFormatter
 	case "percent", "percentunit", "%":
 		return PercentFormatter

pkg/query-service/formatter/time.go

@@ -32,7 +32,7 @@ func (f *durationFormatter) Format(value float64, unit string) string {
 		return toHours(value)
 	case "d":
 		return toDays(value)
-	case "w":
+	case "w", "wk":
 		return toWeeks(value)
 	}
 	// When unit is not matched, return the value as it is.

pkg/types/ruletypes/threshold_test.go

@@ -265,6 +265,46 @@ func TestBasicRuleThresholdEval_UnitConversion(t *testing.T) {
 			ruleUnit:    "",
 			shouldAlert: true,
 		},
+		// bytes and Gibibytes,
+		// rule will only fire if target is converted to bytes so that the sample value becomes lower than the target 100GiBy
+		{
+			name: "bytes to Gibibytes - should alert",
+			threshold: BasicRuleThreshold{
+				Name:        CriticalThresholdName,
+				TargetValue: &target, // 100 Gibibytes
+				TargetUnit:  "GiBy",
+				MatchType:   AtleastOnce,
+				CompareOp:   ValueIsBelow,
+			},
+			series: v3.Series{
+				Labels: map[string]string{"service": "test"},
+				Points: []v3.Point{
+					{Value: 70 * 1024 * 1024 * 1024, Timestamp: 1000}, // 70 Gibibytes
+				},
+			},
+			ruleUnit:    "bytes",
+			shouldAlert: true,
+		},
+		// data Rate conversion - bytes per second to MiB per second
+		// rule will only fire if target is converted to bytes so that the sample value becomes lower than the target 100 MiB/s
+		{
+			name: "bytes per second to MiB per second - should alert",
+			threshold: BasicRuleThreshold{
+				Name:        CriticalThresholdName,
+				TargetValue: &target, // 100 MiB/s
+				TargetUnit:  "MiBy/s",
+				MatchType:   AtleastOnce,
+				CompareOp:   ValueIsBelow,
+			},
+			series: v3.Series{
+				Labels: map[string]string{"service": "test"},
+				Points: []v3.Point{
+					{Value: 30 * 1024 * 1024, Timestamp: 1000}, // 30 MiB/s
+				},
+			},
+			ruleUnit:    "By/s",
+			shouldAlert: true,
+		},
 	}
 
 	for _, tt := range tests {