feat(boot-settings): move SDK config from build-time env vars to runtime boot data injection

* fix(date-time-selection-v2): out of sync query params

* chore(get-current-search-params): explain why we have that file

* fix(pr): address comments

frontend/index.html

@@ -94,12 +94,15 @@
 				}
 			})();
 		</script>
+		<script>
+			window.signozBootData = { settings: [[.BootSettings]] };
+		</script>
 		<noscript>You need to enable JavaScript to run this app.</noscript>
 		<div id="root"></div>
 
 		<script>
-			var PYLON_APP_ID = '<%- PYLON_APP_ID %>';
-			if (PYLON_APP_ID) {
+			var pylonAppId = (window.signozBootData?.settings?.pylon || {}).appId || '';
+			if (pylonAppId) {
 				(function () {
 					var e = window;
 					var t = document;
@@ -115,10 +118,7 @@
 						var e = t.createElement('script');
 						e.setAttribute('type', 'text/javascript');
 						e.setAttribute('async', 'true');
-						e.setAttribute(
-							'src',
-							'https://widget.usepylon.com/widget/' + PYLON_APP_ID,
-						);
+						e.setAttribute('src', 'https://widget.usepylon.com/widget/' + pylonAppId);
 						var n = t.getElementsByTagName('script')[0];
 						n.parentNode.insertBefore(e, n);
 					};
@@ -130,16 +130,15 @@
 				})();
 			}
 		</script>
-		<script type="text/javascript">
-			window.AppcuesSettings = { enableURLDetection: true };
-		</script>
 		<script>
-			var APPCUES_APP_ID = '<%- APPCUES_APP_ID %>';
-			if (APPCUES_APP_ID) {
+			var appcuesAppId =
+				(window.signozBootData?.settings?.appcues || {}).appId || '';
+			if (appcuesAppId) {
+				window.AppcuesSettings = { enableURLDetection: true };
 				(function (d, t) {
 					var a = d.createElement(t);
 					a.async = 1;
-					a.src = '//fast.appcues.com/' + APPCUES_APP_ID + '.js';
+					a.src = '//fast.appcues.com/' + appcuesAppId + '.js';
 					var s = d.getElementsByTagName(t)[0];
 					s.parentNode.insertBefore(a, s);
 				})(document, 'script');

frontend/src/AppRoutes/index.tsx

@@ -35,6 +35,7 @@ import { PreferenceContextProvider } from 'providers/preferences/context/Prefere
 import { QueryBuilderProvider } from 'providers/QueryBuilder';
 import { LicenseStatus } from 'types/api/licensesV3/getActive';
 import { extractDomain } from 'utils/app';
+import { bootSettings } from 'utils/bootData';
 
 import { Home } from './pageComponents';
 import PrivateRoute from './Private';
@@ -293,7 +294,7 @@ function App(): JSX.Element {
 				(isCloudUser || isEnterpriseSelfHostedUser)
 			) {
 				const email = user.email || '';
-				const secret = process.env.PYLON_IDENTITY_SECRET || '';
+				const secret = bootSettings.pylon.identSecret ?? '';
 				let emailHash = '';
 
 				if (email && secret) {
@@ -302,7 +303,7 @@ function App(): JSX.Element {
 
 				window.pylon = {
 					chat_settings: {
-						app_id: process.env.PYLON_APP_ID,
+						app_id: bootSettings.pylon.appId,
 						email: user.email,
 						name: user.displayName || user.email,
 						email_hash: emailHash,
@@ -332,8 +333,8 @@ function App(): JSX.Element {
 
 	useEffect(() => {
 		if (isCloudUser || isEnterpriseSelfHostedUser) {
-			if (process.env.POSTHOG_KEY) {
-				posthog.init(process.env.POSTHOG_KEY, {
+			if (bootSettings.posthog.key) {
+				posthog.init(bootSettings.posthog.key, {
 					api_host: 'https://us.i.posthog.com',
 					person_profiles: 'identified_only', // or 'always' to create profiles for anonymous users as well
 				});
@@ -341,8 +342,8 @@ function App(): JSX.Element {
 
 			if (!isSentryInitialized) {
 				Sentry.init({
-					dsn: process.env.SENTRY_DSN,
-					tunnel: process.env.TUNNEL_URL,
+					dsn: bootSettings.sentry.dsn,
+					tunnel: bootSettings.sentry.tunnelUrl,
 					environment: 'production',
 					integrations: [
 						Sentry.browserTracingIntegration(),

frontend/src/container/TopNav/DateTimeSelectionV2/__tests__/DateTimeSelectionV2.edge-cases.test.tsx

@@ -0,0 +1,258 @@
+import {
+	act,
+	fireEvent,
+	render,
+	screen,
+	waitFor,
+} from '@testing-library/react';
+
+import DateTimeSelection from '../index';
+import {
+	__resetSearchParamsGetter,
+	__setSearchParamsGetterForTest,
+} from '../utils/getUnstableCurrentSearchParams';
+import { queryClient, TestWrapper } from './testUtils';
+
+const mockSafeNavigate = jest.fn();
+jest.mock('hooks/useSafeNavigate', () => ({
+	useSafeNavigate: (): { safeNavigate: jest.Mock } => ({
+		safeNavigate: mockSafeNavigate,
+	}),
+}));
+
+jest.mock('container/NewExplorerCTA', () => ({
+	__esModule: true,
+	default: (): null => null,
+}));
+
+jest.mock('components/CustomTimePicker/CustomTimePicker', () => ({
+	__esModule: true,
+	default: ({
+		onSelect,
+	}: {
+		onSelect: (value: string) => void;
+	}): JSX.Element => (
+		<div data-testid="custom-time-picker">
+			<button
+				type="button"
+				data-testid="select-15m"
+				onClick={(): void => onSelect('15m')}
+			>
+				15m
+			</button>
+			<button
+				type="button"
+				data-testid="select-1h"
+				onClick={(): void => onSelect('1h')}
+			>
+				1h
+			</button>
+			<button
+				type="button"
+				data-testid="select-6h"
+				onClick={(): void => onSelect('6h')}
+			>
+				6h
+			</button>
+			<button
+				type="button"
+				data-testid="select-custom"
+				onClick={(): void => onSelect('custom')}
+			>
+				Custom
+			</button>
+		</div>
+	),
+}));
+
+describe('DateTimeSelectionV2 - Edge Cases', () => {
+	let currentSearchParams: URLSearchParams;
+
+	beforeEach(() => {
+		jest.clearAllMocks();
+		mockSafeNavigate.mockClear();
+		queryClient.clear();
+	});
+
+	afterEach(() => {
+		__resetSearchParamsGetter();
+	});
+
+	describe('Fresh Params at Navigation Time (Core Fix)', () => {
+		it('should read params at navigation time, not render time', async () => {
+			currentSearchParams = new URLSearchParams('relativeTime=30m');
+			__setSearchParamsGetterForTest(() => currentSearchParams);
+
+			render(
+				<TestWrapper
+					initialSearchParams="relativeTime=30m"
+					onUrlUpdate={(event): void => {
+						currentSearchParams = event.searchParams;
+					}}
+				>
+					<DateTimeSelection showAutoRefresh />
+				</TestWrapper>,
+			);
+
+			await waitFor(() => {
+				expect(screen.getByTestId('custom-time-picker')).toBeInTheDocument();
+			});
+
+			currentSearchParams = new URLSearchParams(
+				'relativeTime=30m&externalParam=addedLater',
+			);
+
+			mockSafeNavigate.mockClear();
+
+			act(() => {
+				fireEvent.click(screen.getByTestId('select-1h'));
+			});
+
+			await waitFor(() => {
+				expect(mockSafeNavigate).toHaveBeenCalled();
+			});
+
+			const navigatedUrl = mockSafeNavigate.mock.calls[
+				mockSafeNavigate.mock.calls.length - 1
+			][0] as string;
+
+			expect(navigatedUrl).toContain('relativeTime=1h');
+			expect(navigatedUrl).toContain('externalParam=addedLater');
+		});
+
+		it('should preserve multiple externally added params', async () => {
+			currentSearchParams = new URLSearchParams('relativeTime=30m');
+			__setSearchParamsGetterForTest(() => currentSearchParams);
+
+			render(
+				<TestWrapper initialSearchParams="relativeTime=30m">
+					<DateTimeSelection showAutoRefresh />
+				</TestWrapper>,
+			);
+
+			await waitFor(() => {
+				expect(screen.getByTestId('custom-time-picker')).toBeInTheDocument();
+			});
+
+			currentSearchParams = new URLSearchParams(
+				'relativeTime=30m&yAxisUnit=bytes&groupBy=host&view=table',
+			);
+
+			mockSafeNavigate.mockClear();
+
+			act(() => {
+				fireEvent.click(screen.getByTestId('select-6h'));
+			});
+
+			await waitFor(() => {
+				expect(mockSafeNavigate).toHaveBeenCalled();
+			});
+
+			const navigatedUrl = mockSafeNavigate.mock.calls[
+				mockSafeNavigate.mock.calls.length - 1
+			][0] as string;
+
+			expect(navigatedUrl).toContain('relativeTime=6h');
+			expect(navigatedUrl).toContain('yAxisUnit=bytes');
+			expect(navigatedUrl).toContain('groupBy=host');
+			expect(navigatedUrl).toContain('view=table');
+		});
+	});
+
+	describe('Empty and Special Values', () => {
+		it('should handle empty URL params gracefully', async () => {
+			currentSearchParams = new URLSearchParams('');
+			__setSearchParamsGetterForTest(() => currentSearchParams);
+
+			render(
+				<TestWrapper initialSearchParams="">
+					<DateTimeSelection showAutoRefresh />
+				</TestWrapper>,
+			);
+
+			await waitFor(() => {
+				expect(screen.getByTestId('custom-time-picker')).toBeInTheDocument();
+			});
+
+			mockSafeNavigate.mockClear();
+
+			act(() => {
+				fireEvent.click(screen.getByTestId('select-15m'));
+			});
+
+			await waitFor(() => {
+				expect(mockSafeNavigate).toHaveBeenCalled();
+			});
+
+			const navigatedUrl = mockSafeNavigate.mock.calls[
+				mockSafeNavigate.mock.calls.length - 1
+			][0] as string;
+
+			expect(navigatedUrl).toContain('relativeTime=15m');
+		});
+
+		it('should handle special characters in preserved params', async () => {
+			currentSearchParams = new URLSearchParams(
+				'relativeTime=30m&filter=name%3D%22test%22',
+			);
+			__setSearchParamsGetterForTest(() => currentSearchParams);
+
+			render(
+				<TestWrapper initialSearchParams="relativeTime=30m&filter=name%3D%22test%22">
+					<DateTimeSelection showAutoRefresh />
+				</TestWrapper>,
+			);
+
+			await waitFor(() => {
+				expect(screen.getByTestId('custom-time-picker')).toBeInTheDocument();
+			});
+
+			mockSafeNavigate.mockClear();
+
+			act(() => {
+				fireEvent.click(screen.getByTestId('select-1h'));
+			});
+
+			await waitFor(() => {
+				expect(mockSafeNavigate).toHaveBeenCalled();
+			});
+
+			const navigatedUrl = mockSafeNavigate.mock.calls[
+				mockSafeNavigate.mock.calls.length - 1
+			][0] as string;
+
+			expect(navigatedUrl).toContain('relativeTime=1h');
+			expect(navigatedUrl).toContain('filter=');
+		});
+
+		it('should not navigate when selecting custom (opens picker instead)', async () => {
+			currentSearchParams = new URLSearchParams('relativeTime=30m');
+			__setSearchParamsGetterForTest(() => currentSearchParams);
+
+			render(
+				<TestWrapper initialSearchParams="relativeTime=30m">
+					<DateTimeSelection showAutoRefresh />
+				</TestWrapper>,
+			);
+
+			await waitFor(() => {
+				expect(screen.getByTestId('custom-time-picker')).toBeInTheDocument();
+			});
+
+			mockSafeNavigate.mockClear();
+
+			act(() => {
+				fireEvent.click(screen.getByTestId('select-custom'));
+			});
+
+			await new Promise((resolve) => setTimeout(resolve, 100));
+
+			const customNavigationCalls = mockSafeNavigate.mock.calls.filter((call) => {
+				const url = call[0] as string;
+				return url.includes('startTime=') || url.includes('endTime=');
+			});
+
+			expect(customNavigationCalls).toHaveLength(0);
+		});
+	});
+});

frontend/src/container/TopNav/DateTimeSelectionV2/__tests__/DateTimeSelectionV2.modal-mode.test.tsx

@@ -0,0 +1,180 @@
+import {
+	act,
+	fireEvent,
+	render,
+	screen,
+	waitFor,
+} from '@testing-library/react';
+
+import DateTimeSelection from '../index';
+import {
+	__resetSearchParamsGetter,
+	__setSearchParamsGetterForTest,
+} from '../utils/getUnstableCurrentSearchParams';
+import { queryClient, TestWrapper } from './testUtils';
+
+const mockSafeNavigate = jest.fn();
+jest.mock('hooks/useSafeNavigate', () => ({
+	useSafeNavigate: (): { safeNavigate: jest.Mock } => ({
+		safeNavigate: mockSafeNavigate,
+	}),
+}));
+
+jest.mock('container/NewExplorerCTA', () => ({
+	__esModule: true,
+	default: (): null => null,
+}));
+
+let mockOnCustomDateHandler: ((range: [unknown, unknown]) => void) | null =
+	null;
+let mockOnValidCustomDateChange: ((data: { timeStr: string }) => void) | null =
+	null;
+
+jest.mock('components/CustomTimePicker/CustomTimePicker', () => ({
+	__esModule: true,
+	default: ({
+		onSelect,
+		onCustomDateHandler,
+		onValidCustomDateChange,
+	}: {
+		onSelect: (value: string) => void;
+		onCustomDateHandler?: (range: [unknown, unknown]) => void;
+		onValidCustomDateChange?: (data: { timeStr: string }) => void;
+	}): JSX.Element => {
+		mockOnCustomDateHandler = onCustomDateHandler || null;
+		mockOnValidCustomDateChange = onValidCustomDateChange || null;
+
+		return (
+			<div data-testid="custom-time-picker">
+				<button
+					type="button"
+					data-testid="select-1h"
+					onClick={(): void => onSelect('1h')}
+				>
+					1h
+				</button>
+			</div>
+		);
+	},
+}));
+
+describe('DateTimeSelectionV2 - Modal Mode', () => {
+	let currentSearchParams: URLSearchParams;
+
+	beforeEach(() => {
+		jest.clearAllMocks();
+		mockSafeNavigate.mockClear();
+		queryClient.clear();
+		mockOnCustomDateHandler = null;
+		mockOnValidCustomDateChange = null;
+	});
+
+	afterEach(() => {
+		__resetSearchParamsGetter();
+	});
+
+	it('should call onTimeChange instead of navigating for relative time', async () => {
+		currentSearchParams = new URLSearchParams('relativeTime=30m');
+		__setSearchParamsGetterForTest(() => currentSearchParams);
+
+		const mockOnTimeChange = jest.fn();
+
+		render(
+			<TestWrapper initialSearchParams="relativeTime=30m">
+				<DateTimeSelection
+					showAutoRefresh
+					isModalTimeSelection
+					onTimeChange={mockOnTimeChange}
+				/>
+			</TestWrapper>,
+		);
+
+		await waitFor(() => {
+			expect(screen.getByTestId('custom-time-picker')).toBeInTheDocument();
+		});
+
+		mockSafeNavigate.mockClear();
+
+		act(() => {
+			fireEvent.click(screen.getByTestId('select-1h'));
+		});
+
+		await waitFor(() => {
+			expect(mockOnTimeChange).toHaveBeenCalledWith('1h');
+		});
+
+		expect(mockSafeNavigate).not.toHaveBeenCalled();
+	});
+
+	it('should call onTimeChange with custom and timestamps for custom date', async () => {
+		currentSearchParams = new URLSearchParams('relativeTime=30m');
+		__setSearchParamsGetterForTest(() => currentSearchParams);
+
+		const mockOnTimeChange = jest.fn();
+
+		render(
+			<TestWrapper initialSearchParams="relativeTime=30m">
+				<DateTimeSelection
+					showAutoRefresh
+					isModalTimeSelection
+					onTimeChange={mockOnTimeChange}
+				/>
+			</TestWrapper>,
+		);
+
+		await waitFor(() => {
+			expect(screen.getByTestId('custom-time-picker')).toBeInTheDocument();
+		});
+
+		const startMoment = { toDate: (): Date => new Date(1700000000000) };
+		const endMoment = { toDate: (): Date => new Date(1700003600000) };
+
+		mockSafeNavigate.mockClear();
+
+		act(() => {
+			mockOnCustomDateHandler?.([startMoment, endMoment]);
+		});
+
+		await waitFor(() => {
+			expect(mockOnTimeChange).toHaveBeenCalledWith(
+				'custom',
+				[1700000000000, 1700003600000],
+			);
+		});
+
+		expect(mockSafeNavigate).not.toHaveBeenCalled();
+	});
+
+	it('should call onTimeChange for valid custom date string in modal', async () => {
+		currentSearchParams = new URLSearchParams('relativeTime=30m');
+		__setSearchParamsGetterForTest(() => currentSearchParams);
+
+		const mockOnTimeChange = jest.fn();
+
+		render(
+			<TestWrapper initialSearchParams="relativeTime=30m">
+				<DateTimeSelection
+					showAutoRefresh
+					isModalTimeSelection
+					onTimeChange={mockOnTimeChange}
+				/>
+			</TestWrapper>,
+		);
+
+		await waitFor(() => {
+			expect(screen.getByTestId('custom-time-picker')).toBeInTheDocument();
+		});
+
+		mockSafeNavigate.mockClear();
+
+		act(() => {
+			mockOnValidCustomDateChange?.({ timeStr: '4h' });
+		});
+
+		await waitFor(() => {
+			expect(mockOnTimeChange).toHaveBeenCalledWith('4h');
+		});
+
+		expect(mockSafeNavigate).not.toHaveBeenCalled();
+	});
+});

frontend/src/container/TopNav/DateTimeSelectionV2/__tests__/DateTimeSelectionV2.regression.test.tsx

@@ -0,0 +1,207 @@
+// eslint-disable-next-line no-restricted-imports
+import { Provider } from 'react-redux';
+import { MemoryRouter, Route } from 'react-router-dom';
+import { NuqsTestingAdapter } from 'nuqs/adapters/testing';
+import { QueryClient, QueryClientProvider } from 'react-query';
+import {
+	act,
+	fireEvent,
+	render,
+	screen,
+	waitFor,
+} from '@testing-library/react';
+import { parseAsString, useQueryState } from 'nuqs';
+import { AppContext } from 'providers/App/App';
+import TimezoneProvider from 'providers/Timezone';
+import { QueryBuilderProvider } from 'providers/QueryBuilder';
+import configureStore from 'redux-mock-store';
+import thunk from 'redux-thunk';
+import store from 'store';
+import { getAppContextMock } from 'tests/test-utils';
+import { CompatRouter } from 'react-router-dom-v5-compat';
+
+import DateTimeSelection from '../index';
+import {
+	__resetSearchParamsGetter,
+	__setSearchParamsGetterForTest,
+} from '../utils/getUnstableCurrentSearchParams';
+
+const queryClient = new QueryClient({
+	defaultOptions: {
+		queries: { refetchOnWindowFocus: false, retry: false },
+		mutations: { retry: false },
+	},
+});
+
+const mockStore = configureStore([thunk]);
+
+const mockSafeNavigate = jest.fn();
+jest.mock('hooks/useSafeNavigate', () => ({
+	useSafeNavigate: (): { safeNavigate: jest.Mock } => ({
+		safeNavigate: mockSafeNavigate,
+	}),
+}));
+
+jest.mock('components/CustomTimePicker/CustomTimePicker', () => ({
+	__esModule: true,
+	default: ({
+		onSelect,
+	}: {
+		onSelect: (value: string) => void;
+	}): JSX.Element => (
+		<div data-testid="custom-time-picker">
+			<button
+				type="button"
+				data-testid="select-1h"
+				onClick={(): void => onSelect('1h')}
+			>
+				1h
+			</button>
+		</div>
+	),
+}));
+
+jest.mock('container/NewExplorerCTA', () => ({
+	__esModule: true,
+	default: (): null => null,
+}));
+
+function NuqsParamSetter({ paramValue }: { paramValue: string }): JSX.Element {
+	const [, setYAxisUnit] = useQueryState(
+		'yAxisUnit',
+		parseAsString.withDefault(''),
+	);
+
+	return (
+		<button
+			type="button"
+			data-testid="set-nuqs-param"
+			onClick={(): void => {
+				setYAxisUnit(paramValue);
+			}}
+		>
+			Set yAxisUnit
+		</button>
+	);
+}
+
+interface WrapperProps {
+	children: React.ReactNode;
+	initialSearchParams?: string;
+	initialPath?: string;
+	onUrlUpdate?: (event: { searchParams: URLSearchParams }) => void;
+}
+
+function TestWrapper({
+	children,
+	initialSearchParams = '',
+	initialPath = '/services',
+	onUrlUpdate,
+}: WrapperProps): JSX.Element {
+	const initialEntry = initialSearchParams
+		? `${initialPath}?${initialSearchParams}`
+		: initialPath;
+
+	const mockedStore = mockStore({
+		...store.getState(),
+		app: {
+			...store.getState().app,
+			role: 'ADMIN',
+			user: {
+				userId: 'test-user-id',
+				email: 'test@signoz.io',
+				name: 'TestUser',
+				profilePictureURL: '',
+				accessJwt: '',
+				refreshJwt: '',
+			},
+			isLoggedIn: true,
+		},
+	});
+
+	return (
+		<MemoryRouter initialEntries={[initialEntry]}>
+			<CompatRouter>
+				<NuqsTestingAdapter
+					searchParams={initialSearchParams}
+					onUrlUpdate={onUrlUpdate}
+				>
+					<QueryClientProvider client={queryClient}>
+						<Provider store={mockedStore}>
+							<AppContext.Provider value={getAppContextMock('ADMIN')}>
+								<TimezoneProvider>
+									<QueryBuilderProvider>
+										<Route path="*">{children}</Route>
+									</QueryBuilderProvider>
+								</TimezoneProvider>
+							</AppContext.Provider>
+						</Provider>
+					</QueryClientProvider>
+				</NuqsTestingAdapter>
+			</CompatRouter>
+		</MemoryRouter>
+	);
+}
+
+describe('REGRESSION: DateTimeSelectionV2 preserves nuqs query params on time change', () => {
+	let currentSearchParams: URLSearchParams;
+
+	beforeEach(() => {
+		jest.clearAllMocks();
+		mockSafeNavigate.mockClear();
+		queryClient.clear();
+
+		// Initialize with test's initial search params
+		currentSearchParams = new URLSearchParams('relativeTime=30m');
+		__setSearchParamsGetterForTest(() => currentSearchParams);
+	});
+
+	afterEach(() => {
+		__resetSearchParamsGetter();
+	});
+
+	it('should preserve yAxisUnit param set via nuqs when changing time selection', async () => {
+		render(
+			<TestWrapper
+				initialSearchParams="relativeTime=30m"
+				onUrlUpdate={(event): void => {
+					// Sync nuqs URL updates to our mock getter
+					// This simulates how window.location.search would be updated in real browser
+					currentSearchParams = event.searchParams;
+				}}
+			>
+				<NuqsParamSetter paramValue="bytes" />
+				<DateTimeSelection showAutoRefresh />
+			</TestWrapper>,
+		);
+
+		await waitFor(() => {
+			expect(screen.getByTestId('custom-time-picker')).toBeInTheDocument();
+		});
+
+		act(() => {
+			fireEvent.click(screen.getByTestId('set-nuqs-param'));
+		});
+
+		await waitFor(() => {
+			expect(currentSearchParams.get('yAxisUnit')).toBe('bytes');
+		});
+
+		mockSafeNavigate.mockClear();
+
+		act(() => {
+			fireEvent.click(screen.getByTestId('select-1h'));
+		});
+
+		await waitFor(() => {
+			expect(mockSafeNavigate).toHaveBeenCalled();
+		});
+
+		const navigatedUrl = mockSafeNavigate.mock.calls[
+			mockSafeNavigate.mock.calls.length - 1
+		][0] as string;
+
+		expect(navigatedUrl).toContain('relativeTime=1h');
+		expect(navigatedUrl).toContain('yAxisUnit=bytes');
+	});
+});

frontend/src/container/TopNav/DateTimeSelectionV2/__tests__/DateTimeSelectionV2.routes.test.tsx

@@ -0,0 +1,133 @@
+import { render, screen, waitFor } from '@testing-library/react';
+import ROUTES from 'constants/routes';
+
+import DateTimeSelection from '../index';
+import {
+	__resetSearchParamsGetter,
+	__setSearchParamsGetterForTest,
+} from '../utils/getUnstableCurrentSearchParams';
+import { queryClient, TestWrapper } from './testUtils';
+
+const mockSafeNavigate = jest.fn();
+jest.mock('hooks/useSafeNavigate', () => ({
+	useSafeNavigate: (): { safeNavigate: jest.Mock } => ({
+		safeNavigate: mockSafeNavigate,
+	}),
+}));
+
+jest.mock('container/NewExplorerCTA', () => ({
+	__esModule: true,
+	default: (): null => null,
+}));
+
+jest.mock('components/CustomTimePicker/CustomTimePicker', () => ({
+	__esModule: true,
+	default: (): JSX.Element => <div data-testid="custom-time-picker" />,
+}));
+
+describe('DateTimeSelectionV2 - Route-Specific Behavior', () => {
+	let currentSearchParams: URLSearchParams;
+
+	beforeEach(() => {
+		jest.clearAllMocks();
+		mockSafeNavigate.mockClear();
+		queryClient.clear();
+	});
+
+	afterEach(() => {
+		__resetSearchParamsGetter();
+	});
+
+	describe('Alert Pages', () => {
+		it('should set default time for alert overview when no time params', async () => {
+			currentSearchParams = new URLSearchParams('otherParam=value');
+			__setSearchParamsGetterForTest(() => currentSearchParams);
+
+			render(
+				<TestWrapper
+					initialSearchParams="otherParam=value"
+					initialPath={ROUTES.ALERT_OVERVIEW}
+				>
+					<DateTimeSelection showAutoRefresh defaultRelativeTime="6h" />
+				</TestWrapper>,
+			);
+
+			await waitFor(() => {
+				expect(mockSafeNavigate).toHaveBeenCalled();
+			});
+
+			const navigatedUrl = mockSafeNavigate.mock.calls[0][0] as string;
+			expect(navigatedUrl).toContain('relativeTime=6h');
+			expect(navigatedUrl).toContain('otherParam=value');
+		});
+
+		it('should set default time for alert history when no time params', async () => {
+			currentSearchParams = new URLSearchParams('filter=active');
+			__setSearchParamsGetterForTest(() => currentSearchParams);
+
+			render(
+				<TestWrapper
+					initialSearchParams="filter=active"
+					initialPath={ROUTES.ALERT_HISTORY}
+				>
+					<DateTimeSelection showAutoRefresh defaultRelativeTime="6h" />
+				</TestWrapper>,
+			);
+
+			await waitFor(() => {
+				expect(mockSafeNavigate).toHaveBeenCalled();
+			});
+
+			const navigatedUrl = mockSafeNavigate.mock.calls[0][0] as string;
+			expect(navigatedUrl).toContain('relativeTime=6h');
+		});
+
+		it('should NOT override existing time params on alert pages', async () => {
+			currentSearchParams = new URLSearchParams('relativeTime=1h&filter=active');
+			__setSearchParamsGetterForTest(() => currentSearchParams);
+
+			render(
+				<TestWrapper
+					initialSearchParams="relativeTime=1h&filter=active"
+					initialPath={ROUTES.ALERT_OVERVIEW}
+				>
+					<DateTimeSelection showAutoRefresh defaultRelativeTime="6h" />
+				</TestWrapper>,
+			);
+
+			await waitFor(() => {
+				expect(screen.getByTestId('custom-time-picker')).toBeInTheDocument();
+			});
+
+			const calls = mockSafeNavigate.mock.calls;
+			if (calls.length > 0) {
+				const lastUrl = calls[calls.length - 1][0] as string;
+				expect(lastUrl).toContain('relativeTime=1h');
+			}
+		});
+	});
+
+	describe('disableUrlSync Behavior', () => {
+		it('should not sync URL on mount when disableUrlSync is true', async () => {
+			currentSearchParams = new URLSearchParams('');
+			__setSearchParamsGetterForTest(() => currentSearchParams);
+
+			render(
+				<TestWrapper initialSearchParams="" initialPath="/services">
+					<DateTimeSelection showAutoRefresh disableUrlSync />
+				</TestWrapper>,
+			);
+
+			await waitFor(() => {
+				expect(screen.getByTestId('custom-time-picker')).toBeInTheDocument();
+			});
+
+			const syncCalls = mockSafeNavigate.mock.calls.filter((call) => {
+				const url = call[0] as string;
+				return url.includes('relativeTime=') && !url.includes('services?');
+			});
+
+			expect(syncCalls).toHaveLength(0);
+		});
+	});
+});

frontend/src/container/TopNav/DateTimeSelectionV2/__tests__/DateTimeSelectionV2.time-selection.test.tsx

@@ -0,0 +1,353 @@
+import {
+	act,
+	fireEvent,
+	render,
+	screen,
+	waitFor,
+} from '@testing-library/react';
+
+import DateTimeSelection from '../index';
+import {
+	__resetSearchParamsGetter,
+	__setSearchParamsGetterForTest,
+} from '../utils/getUnstableCurrentSearchParams';
+import { queryClient, TestWrapper, createMockMoment } from './testUtils';
+
+const mockSafeNavigate = jest.fn();
+jest.mock('hooks/useSafeNavigate', () => ({
+	useSafeNavigate: (): { safeNavigate: jest.Mock } => ({
+		safeNavigate: mockSafeNavigate,
+	}),
+}));
+
+jest.mock('container/NewExplorerCTA', () => ({
+	__esModule: true,
+	default: (): null => null,
+}));
+
+let mockOnCustomDateHandler: ((range: [unknown, unknown]) => void) | null =
+	null;
+let mockOnValidCustomDateChange: ((data: { timeStr: string }) => void) | null =
+	null;
+
+jest.mock('components/CustomTimePicker/CustomTimePicker', () => ({
+	__esModule: true,
+	default: ({
+		onSelect,
+		onCustomDateHandler,
+		onValidCustomDateChange,
+	}: {
+		onSelect: (value: string) => void;
+		onCustomDateHandler?: (range: [unknown, unknown]) => void;
+		onValidCustomDateChange?: (data: { timeStr: string }) => void;
+	}): JSX.Element => {
+		mockOnCustomDateHandler = onCustomDateHandler || null;
+		mockOnValidCustomDateChange = onValidCustomDateChange || null;
+
+		return (
+			<div data-testid="custom-time-picker">
+				<button
+					type="button"
+					data-testid="select-15m"
+					onClick={(): void => onSelect('15m')}
+				>
+					15m
+				</button>
+				<button
+					type="button"
+					data-testid="select-1h"
+					onClick={(): void => onSelect('1h')}
+				>
+					1h
+				</button>
+				<button
+					type="button"
+					data-testid="select-6h"
+					onClick={(): void => onSelect('6h')}
+				>
+					6h
+				</button>
+			</div>
+		);
+	},
+}));
+
+describe('DateTimeSelectionV2 - Time Selection', () => {
+	let currentSearchParams: URLSearchParams;
+
+	beforeEach(() => {
+		jest.clearAllMocks();
+		mockSafeNavigate.mockClear();
+		queryClient.clear();
+		mockOnCustomDateHandler = null;
+		mockOnValidCustomDateChange = null;
+	});
+
+	afterEach(() => {
+		__resetSearchParamsGetter();
+	});
+
+	describe('Relative Time', () => {
+		it('should update relativeTime and remove startTime/endTime', async () => {
+			currentSearchParams = new URLSearchParams(
+				'startTime=1000&endTime=2000&otherParam=keep',
+			);
+			__setSearchParamsGetterForTest(() => currentSearchParams);
+
+			render(
+				<TestWrapper initialSearchParams="startTime=1000&endTime=2000&otherParam=keep">
+					<DateTimeSelection showAutoRefresh />
+				</TestWrapper>,
+			);
+
+			await waitFor(() => {
+				expect(screen.getByTestId('custom-time-picker')).toBeInTheDocument();
+			});
+
+			mockSafeNavigate.mockClear();
+
+			act(() => {
+				fireEvent.click(screen.getByTestId('select-15m'));
+			});
+
+			await waitFor(() => {
+				expect(mockSafeNavigate).toHaveBeenCalled();
+			});
+
+			const navigatedUrl = mockSafeNavigate.mock.calls[
+				mockSafeNavigate.mock.calls.length - 1
+			][0] as string;
+
+			expect(navigatedUrl).toContain('relativeTime=15m');
+			expect(navigatedUrl).not.toContain('startTime=');
+			expect(navigatedUrl).not.toContain('endTime=');
+			expect(navigatedUrl).toContain('otherParam=keep');
+		});
+
+		it('should remove activeLogId param on time change', async () => {
+			currentSearchParams = new URLSearchParams(
+				'relativeTime=30m&activeLogId=log123',
+			);
+			__setSearchParamsGetterForTest(() => currentSearchParams);
+
+			render(
+				<TestWrapper initialSearchParams="relativeTime=30m&activeLogId=log123">
+					<DateTimeSelection showAutoRefresh />
+				</TestWrapper>,
+			);
+
+			await waitFor(() => {
+				expect(screen.getByTestId('custom-time-picker')).toBeInTheDocument();
+			});
+
+			mockSafeNavigate.mockClear();
+
+			act(() => {
+				fireEvent.click(screen.getByTestId('select-1h'));
+			});
+
+			await waitFor(() => {
+				expect(mockSafeNavigate).toHaveBeenCalled();
+			});
+
+			const navigatedUrl = mockSafeNavigate.mock.calls[
+				mockSafeNavigate.mock.calls.length - 1
+			][0] as string;
+
+			expect(navigatedUrl).toContain('relativeTime=1h');
+			expect(navigatedUrl).not.toContain('activeLogId');
+		});
+
+		it('should update compositeQuery with new ID when present', async () => {
+			const compositeQuery = encodeURIComponent(
+				JSON.stringify({ id: 'old-id', builder: { queryData: [] } }),
+			);
+			currentSearchParams = new URLSearchParams(
+				`relativeTime=30m&compositeQuery=${compositeQuery}`,
+			);
+			__setSearchParamsGetterForTest(() => currentSearchParams);
+
+			render(
+				<TestWrapper
+					initialSearchParams={`relativeTime=30m&compositeQuery=${compositeQuery}`}
+				>
+					<DateTimeSelection showAutoRefresh />
+				</TestWrapper>,
+			);
+
+			await waitFor(() => {
+				expect(screen.getByTestId('custom-time-picker')).toBeInTheDocument();
+			});
+
+			mockSafeNavigate.mockClear();
+
+			act(() => {
+				fireEvent.click(screen.getByTestId('select-6h'));
+			});
+
+			await waitFor(() => {
+				expect(mockSafeNavigate).toHaveBeenCalled();
+			});
+
+			const navigatedUrl = mockSafeNavigate.mock.calls[
+				mockSafeNavigate.mock.calls.length - 1
+			][0] as string;
+
+			expect(navigatedUrl).toContain('compositeQuery=');
+			expect(navigatedUrl).not.toContain('old-id');
+		});
+
+		it('should preserve all non-time URL params', async () => {
+			currentSearchParams = new URLSearchParams(
+				'relativeTime=30m&param1=a&param2=b&param3=c',
+			);
+			__setSearchParamsGetterForTest(() => currentSearchParams);
+
+			render(
+				<TestWrapper initialSearchParams="relativeTime=30m&param1=a&param2=b&param3=c">
+					<DateTimeSelection showAutoRefresh />
+				</TestWrapper>,
+			);
+
+			await waitFor(() => {
+				expect(screen.getByTestId('custom-time-picker')).toBeInTheDocument();
+			});
+
+			mockSafeNavigate.mockClear();
+
+			act(() => {
+				fireEvent.click(screen.getByTestId('select-1h'));
+			});
+
+			await waitFor(() => {
+				expect(mockSafeNavigate).toHaveBeenCalled();
+			});
+
+			const navigatedUrl = mockSafeNavigate.mock.calls[
+				mockSafeNavigate.mock.calls.length - 1
+			][0] as string;
+
+			expect(navigatedUrl).toContain('relativeTime=1h');
+			expect(navigatedUrl).toContain('param1=a');
+			expect(navigatedUrl).toContain('param2=b');
+			expect(navigatedUrl).toContain('param3=c');
+		});
+	});
+
+	describe('Custom Date Range', () => {
+		it('should set startTime/endTime and remove relativeTime', async () => {
+			currentSearchParams = new URLSearchParams('relativeTime=30m&keepThis=yes');
+			__setSearchParamsGetterForTest(() => currentSearchParams);
+
+			render(
+				<TestWrapper initialSearchParams="relativeTime=30m&keepThis=yes">
+					<DateTimeSelection showAutoRefresh />
+				</TestWrapper>,
+			);
+
+			await waitFor(() => {
+				expect(screen.getByTestId('custom-time-picker')).toBeInTheDocument();
+			});
+
+			const startMoment = createMockMoment(1700000000000);
+			const endMoment = createMockMoment(1700003600000);
+
+			mockSafeNavigate.mockClear();
+
+			act(() => {
+				mockOnCustomDateHandler?.([startMoment, endMoment]);
+			});
+
+			await waitFor(() => {
+				expect(mockSafeNavigate).toHaveBeenCalled();
+			});
+
+			const navigatedUrl = mockSafeNavigate.mock.calls[
+				mockSafeNavigate.mock.calls.length - 1
+			][0] as string;
+
+			expect(navigatedUrl).toContain('startTime=1700000000000');
+			expect(navigatedUrl).toContain('endTime=1700003600000');
+			expect(navigatedUrl).not.toContain('relativeTime=');
+			expect(navigatedUrl).toContain('keepThis=yes');
+		});
+
+		it('should update compositeQuery when present for custom date', async () => {
+			const compositeQuery = encodeURIComponent(
+				JSON.stringify({ id: 'old-id', builder: { queryData: [] } }),
+			);
+			currentSearchParams = new URLSearchParams(
+				`relativeTime=30m&compositeQuery=${compositeQuery}`,
+			);
+			__setSearchParamsGetterForTest(() => currentSearchParams);
+
+			render(
+				<TestWrapper
+					initialSearchParams={`relativeTime=30m&compositeQuery=${compositeQuery}`}
+				>
+					<DateTimeSelection showAutoRefresh />
+				</TestWrapper>,
+			);
+
+			await waitFor(() => {
+				expect(screen.getByTestId('custom-time-picker')).toBeInTheDocument();
+			});
+
+			const startMoment = createMockMoment(1700000000000);
+			const endMoment = createMockMoment(1700003600000);
+
+			mockSafeNavigate.mockClear();
+
+			act(() => {
+				mockOnCustomDateHandler?.([startMoment, endMoment]);
+			});
+
+			await waitFor(() => {
+				expect(mockSafeNavigate).toHaveBeenCalled();
+			});
+
+			const navigatedUrl = mockSafeNavigate.mock.calls[
+				mockSafeNavigate.mock.calls.length - 1
+			][0] as string;
+
+			expect(navigatedUrl).toContain('compositeQuery=');
+			expect(navigatedUrl).not.toContain('old-id');
+		});
+	});
+
+	describe('Valid Custom Date String', () => {
+		it('should handle shorthand date format and preserve params', async () => {
+			currentSearchParams = new URLSearchParams('relativeTime=30m&filter=active');
+			__setSearchParamsGetterForTest(() => currentSearchParams);
+
+			render(
+				<TestWrapper initialSearchParams="relativeTime=30m&filter=active">
+					<DateTimeSelection showAutoRefresh />
+				</TestWrapper>,
+			);
+
+			await waitFor(() => {
+				expect(screen.getByTestId('custom-time-picker')).toBeInTheDocument();
+			});
+
+			mockSafeNavigate.mockClear();
+
+			act(() => {
+				mockOnValidCustomDateChange?.({ timeStr: '2h' });
+			});
+
+			await waitFor(() => {
+				expect(mockSafeNavigate).toHaveBeenCalled();
+			});
+
+			const navigatedUrl = mockSafeNavigate.mock.calls[
+				mockSafeNavigate.mock.calls.length - 1
+			][0] as string;
+
+			expect(navigatedUrl).toContain('relativeTime=2h');
+			expect(navigatedUrl).toContain('filter=active');
+			expect(navigatedUrl).not.toContain('startTime=');
+			expect(navigatedUrl).not.toContain('endTime=');
+		});
+	});
+});

frontend/src/container/TopNav/DateTimeSelectionV2/__tests__/testUtils.tsx

@@ -0,0 +1,95 @@
+// eslint-disable-next-line no-restricted-imports
+import { Provider } from 'react-redux';
+import { MemoryRouter, Route } from 'react-router-dom';
+import { NuqsTestingAdapter } from 'nuqs/adapters/testing';
+import { QueryClient, QueryClientProvider } from 'react-query';
+import { AppContext } from 'providers/App/App';
+import TimezoneProvider from 'providers/Timezone';
+import { QueryBuilderProvider } from 'providers/QueryBuilder';
+import configureStore from 'redux-mock-store';
+import thunk from 'redux-thunk';
+import store from 'store';
+import { getAppContextMock } from 'tests/test-utils';
+import { CompatRouter } from 'react-router-dom-v5-compat';
+
+export const queryClient = new QueryClient({
+	defaultOptions: {
+		queries: { refetchOnWindowFocus: false, retry: false },
+		mutations: { retry: false },
+	},
+});
+
+export const mockStore = configureStore([thunk]);
+
+interface WrapperProps {
+	children: React.ReactNode;
+	initialSearchParams?: string;
+	initialPath?: string;
+	onUrlUpdate?: (event: { searchParams: URLSearchParams }) => void;
+}
+
+export function TestWrapper({
+	children,
+	initialSearchParams = '',
+	initialPath = '/services',
+	onUrlUpdate,
+}: WrapperProps): JSX.Element {
+	const initialEntry = initialSearchParams
+		? `${initialPath}?${initialSearchParams}`
+		: initialPath;
+
+	const mockedStore = mockStore({
+		...store.getState(),
+		app: {
+			...store.getState().app,
+			role: 'ADMIN',
+			user: {
+				userId: 'test-user-id',
+				email: 'test@signoz.io',
+				name: 'TestUser',
+				profilePictureURL: '',
+				accessJwt: '',
+				refreshJwt: '',
+			},
+			isLoggedIn: true,
+		},
+	});
+
+	return (
+		<MemoryRouter initialEntries={[initialEntry]}>
+			<CompatRouter>
+				<NuqsTestingAdapter
+					searchParams={initialSearchParams}
+					onUrlUpdate={onUrlUpdate}
+				>
+					<QueryClientProvider client={queryClient}>
+						<Provider store={mockedStore}>
+							<AppContext.Provider value={getAppContextMock('ADMIN')}>
+								<TimezoneProvider>
+									<QueryBuilderProvider>
+										<Route path="*">{children}</Route>
+									</QueryBuilderProvider>
+								</TimezoneProvider>
+							</AppContext.Provider>
+						</Provider>
+					</QueryClientProvider>
+				</NuqsTestingAdapter>
+			</CompatRouter>
+		</MemoryRouter>
+	);
+}
+
+export function createMockMoment(timestamp: number): {
+	toDate: () => Date;
+	toISOString: () => string;
+	format: () => string;
+	toString: () => string;
+} {
+	const date = new Date(timestamp);
+	return {
+		toDate: (): Date => date,
+		toISOString: (): string => date.toISOString(),
+		format: (): string => date.toISOString(),
+		toString: (): string => date.toString(),
+	};
+}

frontend/src/container/TopNav/DateTimeSelectionV2/index.tsx

@@ -2,7 +2,7 @@ import { useCallback, useEffect, useState } from 'react';
 // eslint-disable-next-line no-restricted-imports
 import { connect, useDispatch, useSelector } from 'react-redux';
 import { RouteComponentProps, withRouter } from 'react-router-dom';
-import { useNavigationType, useSearchParams } from 'react-router-dom-v5-compat';
+import { useNavigationType } from 'react-router-dom-v5-compat';
 import { RefreshCw, Undo } from '@signozhq/icons';
 import { Button } from 'antd';
 import getLocalStorageKey from 'api/browser/localstorage/get';
@@ -20,7 +20,6 @@ import {
 } from 'store/globalTime';
 import { useQueryBuilder } from 'hooks/queryBuilder/useQueryBuilder';
 import { useSafeNavigate } from 'hooks/useSafeNavigate';
-import useUrlQuery from 'hooks/useUrlQuery';
 import { isValidShortHandDateTimeFormat } from 'lib/getMinMax';
 import getTimeString from 'lib/getTimeString';
 import { cloneDeep, isObject } from 'lodash-es';
@@ -54,6 +53,7 @@ import {
 	Time,
 	TimeRange,
 } from './types';
+import { getUnstableCurrentSearchParams } from './utils/getUnstableCurrentSearchParams';
 
 import './DateTimeSelectionV2.styles.scss';
 
@@ -90,10 +90,12 @@ function DateTimeSelection({
 	const [hasSelectedTimeError, setHasSelectedTimeError] = useState(false);
 	const [isOpen, setIsOpen] = useState<boolean>(false);
 
-	const urlQuery = useUrlQuery();
-	const searchStartTime = urlQuery.get('startTime');
-	const searchEndTime = urlQuery.get('endTime');
-	const relativeTimeFromUrl = urlQuery.get(QueryParams.relativeTime);
+	const currentSearchParams = getUnstableCurrentSearchParams();
+	const searchStartTime = currentSearchParams.get(QueryParams.startTime);
+	const searchEndTime = currentSearchParams.get(QueryParams.endTime);
+	const relativeTimeFromUrl = currentSearchParams.get(QueryParams.relativeTime);
+	const hasTimeParamsInUrl =
+		(searchStartTime && searchEndTime) || relativeTimeFromUrl;
 
 	// Prioritize props for initial modal time, fallback to URL params
 	let initialModalStartTime = 0;
@@ -115,8 +117,6 @@ function DateTimeSelection({
 	);
 	const [modalEndTime, setModalEndTime] = useState<number>(initialModalEndTime);
 
-	const [searchParams] = useSearchParams();
-
 	// Effect to update modal time state when props change
 	useEffect(() => {
 		if (modalInitialStartTime !== undefined) {
@@ -323,14 +323,15 @@ function DateTimeSelection({
 				return;
 			}
 
-			urlQuery.delete('startTime');
-			urlQuery.delete('endTime');
+			const urlQuery = getUnstableCurrentSearchParams();
+			urlQuery.delete(QueryParams.startTime);
+			urlQuery.delete(QueryParams.endTime);
 
 			urlQuery.set(QueryParams.relativeTime, value);
 			// Remove Hidden Filters from URL query parameters on time change
 			urlQuery.delete(QueryParams.activeLogId);
 
-			if (searchParams.has(QueryParams.compositeQuery)) {
+			if (urlQuery.has(QueryParams.compositeQuery)) {
 				const updatedCompositeQuery = getUpdatedCompositeQuery();
 				urlQuery.set(QueryParams.compositeQuery, updatedCompositeQuery);
 			}
@@ -349,8 +350,6 @@ function DateTimeSelection({
 			getUpdatedCompositeQuery,
 			updateLocalStorageForRoutes,
 			updateTimeInterval,
-			urlQuery,
-			searchParams,
 		],
 	);
 
@@ -414,6 +413,7 @@ function DateTimeSelection({
 
 				updateLocalStorageForRoutes(JSON.stringify({ startTime, endTime }));
 
+				const urlQuery = getUnstableCurrentSearchParams();
 				urlQuery.set(
 					QueryParams.startTime,
 					startTime?.toDate().getTime().toString(),
@@ -421,7 +421,7 @@ function DateTimeSelection({
 				urlQuery.set(QueryParams.endTime, endTime?.toDate().getTime().toString());
 				urlQuery.delete(QueryParams.relativeTime);
 
-				if (searchParams.has(QueryParams.compositeQuery)) {
+				if (urlQuery.has(QueryParams.compositeQuery)) {
 					const updatedCompositeQuery = getUpdatedCompositeQuery();
 					urlQuery.set(QueryParams.compositeQuery, updatedCompositeQuery);
 				}
@@ -441,8 +441,9 @@ function DateTimeSelection({
 		updateTimeInterval(dateTimeStr);
 		updateLocalStorageForRoutes(dateTimeStr);
 
-		urlQuery.delete('startTime');
-		urlQuery.delete('endTime');
+		const urlQuery = getUnstableCurrentSearchParams();
+		urlQuery.delete(QueryParams.startTime);
+		urlQuery.delete(QueryParams.endTime);
 
 		urlQuery.set(QueryParams.relativeTime, dateTimeStr);
 
@@ -595,13 +596,12 @@ function DateTimeSelection({
 
 		// set the default relative time for alert history and overview pages if relative time is not specified
 		if (
-			(!urlQuery.has(QueryParams.startTime) ||
-				!urlQuery.has(QueryParams.endTime)) &&
-			!urlQuery.has(QueryParams.relativeTime) &&
+			!hasTimeParamsInUrl &&
 			(currentRoute === ROUTES.ALERT_OVERVIEW ||
 				currentRoute === ROUTES.ALERT_HISTORY)
 		) {
 			updateTimeInterval(defaultRelativeTime);
+			const urlQuery = getUnstableCurrentSearchParams();
 			urlQuery.set(QueryParams.relativeTime, defaultRelativeTime);
 			const generatedUrl = `${location.pathname}?${urlQuery.toString()}`;
 			safeNavigate(generatedUrl);
@@ -625,9 +625,10 @@ function DateTimeSelection({
 			updateTimeInterval(updatedTime, [preStartTime, preEndTime]);
 		}
 
+		const urlQuery = getUnstableCurrentSearchParams();
 		if (updatedTime !== 'custom') {
-			urlQuery.delete('startTime');
-			urlQuery.delete('endTime');
+			urlQuery.delete(QueryParams.startTime);
+			urlQuery.delete(QueryParams.endTime);
 			urlQuery.set(QueryParams.relativeTime, updatedTime);
 		} else {
 			const startTime = preStartTime.toString();

frontend/src/container/TopNav/DateTimeSelectionV2/utils/getUnstableCurrentSearchParams.ts

@@ -0,0 +1,34 @@
+/**
+ * This was introduced to fix a sync bug between Nuqs and react-router-dom
+ *
+ * We are using the wrong adapter for nuqs because the correct one only supports v6/v7,
+ * and we are at version v5. This causes the nuqs/react-router-dom to be out of sync.
+ *
+ * We can revert this commit once we migrate react-router-dom to v6, or once we migrate
+ * to DateTimeSelectionV3
+ */
+
+/**
+ * This was created to help testing the regression introduced between nuqs/react-router-dom
+ */
+type SearchParamsGetter = () => URLSearchParams;
+let getter: SearchParamsGetter = (): URLSearchParams =>
+	new URLSearchParams(window.location.search);
+
+/**
+ * This function will return a fresh instance of URLSearchParams every time it's called.
+ *
+ * DO NOT USE IT FOR useEffect/useCallback dependencies, use Nuqs instead.
+ */
+export function getUnstableCurrentSearchParams(): URLSearchParams {
+	return getter();
+}
+
+// Testing helpers
+export function __setSearchParamsGetterForTest(fn: SearchParamsGetter): void {
+	getter = fn;
+}
+
+export function __resetSearchParamsGetter(): void {
+	getter = (): URLSearchParams => new URLSearchParams(window.location.search);
+}

frontend/src/typings/window.ts

@@ -1,5 +1,6 @@
 // eslint-disable-next-line no-restricted-imports
 import { compose, Store } from 'redux';
+import type { SignozBootSettings } from 'utils/bootData';
 
 declare global {
 	interface Window {
@@ -7,6 +8,7 @@ declare global {
 		pylon: any;
 		Appcues: Record<string, any>;
 		__REDUX_DEVTOOLS_EXTENSION_COMPOSE__: typeof compose;
+		signozBootData?: { settings?: Partial<SignozBootSettings> };
 	}
 }
 

frontend/src/utils/__tests__/bootData.test.ts

@@ -0,0 +1,99 @@
+export {};
+
+type BootData = typeof import('../bootData');
+
+function loadModule(settings?: object): BootData {
+	(window as any).signozBootData =
+		settings !== undefined ? { settings } : undefined;
+	let mod!: BootData;
+	jest.isolateModules(() => {
+		// oxlint-disable-next-line typescript-eslint/no-require-imports, typescript-eslint/no-var-requires
+		mod = require('../bootData');
+	});
+	return mod;
+}
+
+afterEach(() => {
+	delete (window as any).signozBootData;
+});
+
+describe('when window.signozBootData is absent', () => {
+	it('all sub-objects are defined and empty', () => {
+		const { bootSettings } = loadModule();
+		expect(bootSettings.sentry).toStrictEqual({});
+		expect(bootSettings.posthog).toStrictEqual({});
+		expect(bootSettings.pylon).toStrictEqual({});
+		expect(bootSettings.appcues).toStrictEqual({});
+		expect(bootSettings.roles).toStrictEqual({});
+	});
+
+	it('optional fields are undefined', () => {
+		const { bootSettings } = loadModule();
+		expect(bootSettings.sentry.dsn).toBeUndefined();
+		expect(bootSettings.sentry.tunnelUrl).toBeUndefined();
+		expect(bootSettings.posthog.key).toBeUndefined();
+		expect(bootSettings.pylon.appId).toBeUndefined();
+		expect(bootSettings.pylon.identSecret).toBeUndefined();
+		expect(bootSettings.appcues.appId).toBeUndefined();
+		expect(bootSettings.roles.isRolesDetailEnabled).toBeUndefined();
+	});
+});
+
+describe('when window.signozBootData.settings is populated', () => {
+	it('reads sentry config', () => {
+		const { bootSettings } = loadModule({
+			sentry: { dsn: 'https://abc@sentry.io/1', tunnelUrl: '/tunnel' },
+		});
+		expect(bootSettings.sentry.dsn).toBe('https://abc@sentry.io/1');
+		expect(bootSettings.sentry.tunnelUrl).toBe('/tunnel');
+	});
+
+	it('reads posthog config', () => {
+		const { bootSettings } = loadModule({ posthog: { key: 'phk_xxx' } });
+		expect(bootSettings.posthog.key).toBe('phk_xxx');
+	});
+
+	it('reads pylon config', () => {
+		const { bootSettings } = loadModule({
+			pylon: { appId: 'pylon-abc', identSecret: 'secret-xyz' },
+		});
+		expect(bootSettings.pylon.appId).toBe('pylon-abc');
+		expect(bootSettings.pylon.identSecret).toBe('secret-xyz');
+	});
+
+	it('reads appcues config', () => {
+		const { bootSettings } = loadModule({ appcues: { appId: 'appcues-123' } });
+		expect(bootSettings.appcues.appId).toBe('appcues-123');
+	});
+
+	it('reads roles config', () => {
+		const { bootSettings } = loadModule({
+			roles: { isRolesDetailEnabled: true },
+		});
+		expect(bootSettings.roles.isRolesDetailEnabled).toBe(true);
+	});
+
+	it('missing sub-namespaces fall back to empty objects', () => {
+		const { bootSettings } = loadModule({
+			sentry: { dsn: 'https://abc@sentry.io/1' },
+		});
+		expect(bootSettings.posthog).toStrictEqual({});
+		expect(bootSettings.posthog.key).toBeUndefined();
+		expect(bootSettings.pylon).toStrictEqual({});
+		expect(bootSettings.appcues).toStrictEqual({});
+		expect(bootSettings.roles).toStrictEqual({});
+	});
+});
+
+describe('when window.signozBootData exists but settings is undefined', () => {
+	it('all sub-objects are empty', () => {
+		(window as any).signozBootData = {};
+		let mod!: BootData;
+		jest.isolateModules(() => {
+			// oxlint-disable-next-line typescript-eslint/no-require-imports, typescript-eslint/no-var-requires
+			mod = require('../bootData');
+		});
+		expect(mod.bootSettings.sentry).toStrictEqual({});
+		expect(mod.bootSettings.posthog).toStrictEqual({});
+	});
+});

frontend/src/utils/bootData.ts

@@ -0,0 +1,35 @@
+export interface SentryConfig {
+	dsn?: string;
+	tunnelUrl?: string;
+}
+export interface PosthogConfig {
+	key?: string;
+}
+export interface PylonConfig {
+	appId?: string;
+	identSecret?: string;
+}
+export interface AppcuesConfig {
+	appId?: string;
+}
+export interface RolesConfig {
+	isRolesDetailEnabled?: boolean;
+}
+
+export interface SignozBootSettings {
+	sentry: SentryConfig;
+	posthog: PosthogConfig;
+	pylon: PylonConfig;
+	appcues: AppcuesConfig;
+	roles: RolesConfig;
+}
+
+const raw = window.signozBootData?.settings;
+
+export const bootSettings: Readonly<SignozBootSettings> = {
+	sentry: raw?.sentry ?? {},
+	posthog: raw?.posthog ?? {},
+	pylon: raw?.pylon ?? {},
+	appcues: raw?.appcues ?? {},
+	roles: raw?.roles ?? {},
+};

frontend/src/vite-env.d.ts

@@ -13,16 +13,9 @@ declare module '*.md?raw' {
 interface ImportMetaEnv {
 	readonly VITE_FRONTEND_API_ENDPOINT: string;
 	readonly VITE_WEBSOCKET_API_ENDPOINT: string;
-	readonly VITE_PYLON_APP_ID: string;
-	readonly VITE_PYLON_IDENTITY_SECRET: string;
-	readonly VITE_APPCUES_APP_ID: string;
-	readonly VITE_POSTHOG_KEY: string;
 	readonly VITE_SENTRY_AUTH_TOKEN: string;
 	readonly VITE_SENTRY_ORG: string;
 	readonly VITE_SENTRY_PROJECT_ID: string;
-	readonly VITE_SENTRY_DSN: string;
-	readonly VITE_TUNNEL_URL: string;
-	readonly VITE_TUNNEL_DOMAIN: string;
 	readonly VITE_DOCS_BASE_URL: string;
 }
 

frontend/vite.config.ts

@@ -6,7 +6,6 @@ import type { Plugin, TransformResult, UserConfig } from 'vite';
 import { defineConfig, loadEnv } from 'vite';
 import vitePluginChecker from 'vite-plugin-checker';
 import viteCompression from 'vite-plugin-compression';
-import { createHtmlPlugin } from 'vite-plugin-html';
 import { ViteImageOptimizer } from 'vite-plugin-image-optimizer';
 import tsconfigPaths from 'vite-tsconfig-paths';
 
@@ -23,6 +22,29 @@ function devBasePathPlugin(basePath: string): Plugin {
 	};
 }
 
+function devBootDataPlugin(env: Record<string, string>): Plugin {
+	return {
+		name: 'dev-boot-data',
+		apply: 'serve',
+		transformIndexHtml(html): string {
+			const bootSettings = {
+				sentry: {
+					dsn: env.VITE_SENTRY_DSN || undefined,
+					tunnelUrl: env.VITE_TUNNEL_URL || undefined,
+				},
+				posthog: { key: env.VITE_POSTHOG_KEY || undefined },
+				pylon: {
+					appId: env.VITE_PYLON_APP_ID || undefined,
+					identSecret: env.VITE_PYLON_IDENTITY_SECRET || undefined,
+				},
+				appcues: { appId: env.VITE_APPCUES_APP_ID || undefined },
+				roles: {},
+			};
+			return html.replaceAll('[[.BootSettings]]', JSON.stringify(bootSettings));
+		},
+	};
+}
+
 function rawMarkdownPlugin(): Plugin {
 	return {
 		name: 'raw-markdown',
@@ -47,15 +69,8 @@ export default defineConfig(({ mode }): UserConfig => {
 		tsconfigPaths(),
 		rawMarkdownPlugin(),
 		devBasePathPlugin(basePath),
+		devBootDataPlugin(env),
 		react(),
-		createHtmlPlugin({
-			inject: {
-				data: {
-					PYLON_APP_ID: env.VITE_PYLON_APP_ID || '',
-					APPCUES_APP_ID: env.VITE_APPCUES_APP_ID || '',
-				},
-			},
-		}),
 		vitePluginChecker({
 			typescript: true,
 			// this doubles the build tim
@@ -126,17 +141,8 @@ export default defineConfig(({ mode }): UserConfig => {
 			'process.env.WEBSOCKET_API_ENDPOINT': JSON.stringify(
 				env.VITE_WEBSOCKET_API_ENDPOINT,
 			),
-			'process.env.PYLON_APP_ID': JSON.stringify(env.VITE_PYLON_APP_ID),
-			'process.env.PYLON_IDENTITY_SECRET': JSON.stringify(
-				env.VITE_PYLON_IDENTITY_SECRET,
-			),
-			'process.env.APPCUES_APP_ID': JSON.stringify(env.VITE_APPCUES_APP_ID),
-			'process.env.POSTHOG_KEY': JSON.stringify(env.VITE_POSTHOG_KEY),
 			'process.env.SENTRY_ORG': JSON.stringify(env.VITE_SENTRY_ORG),
 			'process.env.SENTRY_PROJECT_ID': JSON.stringify(env.VITE_SENTRY_PROJECT_ID),
-			'process.env.SENTRY_DSN': JSON.stringify(env.VITE_SENTRY_DSN),
-			'process.env.TUNNEL_URL': JSON.stringify(env.VITE_TUNNEL_URL),
-			'process.env.TUNNEL_DOMAIN': JSON.stringify(env.VITE_TUNNEL_DOMAIN),
 			'process.env.DOCS_BASE_URL': JSON.stringify(env.VITE_DOCS_BASE_URL),
 		},
 		// In production, use relative paths so assets work with any base path injected by the backend.