chore: update e2e code owners

* feat(invite-members): add hook for invite members component

* feat(invite-members): add component to handle invite member logic

* test(invite-members): add tests for the component

.github/CODEOWNERS

@@ -138,7 +138,7 @@ go.mod @therealpandey
 /tests/integration/ @therealpandey
 
 # e2e tests
-/tests/e2e/ @AshwinBhatkal
+/tests/e2e/ @SigNoz/frontend-maintainers
 
 # Flagger Owners
 

frontend/src/components/CeleryTask/useNavigateToExplorer.ts

@@ -6,10 +6,6 @@ import { PANEL_TYPES } from 'constants/queryBuilder';
 import ROUTES from 'constants/routes';
 import useUpdatedQuery from 'container/GridCardLayout/useResolveQuery';
 import { useQueryBuilder } from 'hooks/queryBuilder/useQueryBuilder';
-import {
-	applySerializedParams,
-	serialize,
-} from 'lib/compositeQuery/serializer';
 import { useNotifications } from 'hooks/useNotifications';
 import { useDashboardStore } from 'providers/Dashboard/store/useDashboardStore';
 import { AppState } from 'store/reducers';
@@ -128,13 +124,15 @@ export function useNavigateToExplorer(): (
 					});
 			}
 
-			applySerializedParams(serialize(preparedQuery), urlParams);
+			const JSONCompositeQuery = encodeURIComponent(JSON.stringify(preparedQuery));
 
 			const basePath =
 				dataSource === DataSource.TRACES
 					? ROUTES.TRACES_EXPLORER
 					: ROUTES.LOGS_EXPLORER;
-			const newExplorerPath = `${basePath}?${urlParams.toString()}`;
+			const newExplorerPath = `${basePath}?${urlParams.toString()}&${
+				QueryParams.compositeQuery
+			}=${JSONCompositeQuery}`;
 
 			window.open(withBasePath(newExplorerPath), sameTab ? '_self' : '_blank');
 		},

frontend/src/components/InviteMembers/InviteMembers.module.scss

@@ -0,0 +1,163 @@
+.inviteMembers {
+	display: flex;
+	flex-direction: column;
+	gap: var(--spacing-8);
+	width: 100%;
+}
+
+.table {
+	display: flex;
+	flex-direction: column;
+	gap: var(--spacing-4);
+	width: 100%;
+}
+
+.header {
+	display: flex;
+	gap: var(--spacing-8);
+	align-items: center;
+	width: 100%;
+}
+
+.headerCellEmail {
+	flex: 1 1 0;
+	min-width: 0;
+}
+
+.headerCellRole {
+	flex: 0 0 160px;
+	width: 160px;
+}
+
+.headerCellAction {
+	flex: 0 0 32px;
+	width: 32px;
+}
+
+.rows {
+	display: flex;
+	flex-direction: column;
+	gap: var(--spacing-6);
+	width: 100%;
+}
+
+.row {
+	display: flex;
+	gap: var(--spacing-8);
+	align-items: flex-start;
+	width: 100%;
+}
+
+.cellEmail {
+	display: flex;
+	flex-direction: column;
+	gap: var(--spacing-2);
+	flex: 1 1 0;
+	min-width: 0;
+
+	--input-background: var(
+		--invite-members-field-background,
+		var(--l2-background)
+	);
+	--input-hover-background: var(
+		--invite-members-field-background,
+		var(--l2-background)
+	);
+	--input-focus-background: var(
+		--invite-members-field-background,
+		var(--l2-background)
+	);
+	--input-disabled-background: var(
+		--invite-members-field-background,
+		var(--l2-background)
+	);
+
+	input::placeholder {
+		color: var(--l3-foreground);
+	}
+}
+
+.cellRole {
+	display: flex;
+	flex-direction: column;
+	gap: var(--spacing-2);
+	flex: 0 0 160px;
+	width: 160px;
+
+	:global(.roles-single-select) {
+		width: 100%;
+
+		:global(.ant-select-selector) {
+			background-color: var(
+				--invite-members-field-background,
+				var(--l2-background)
+			) !important;
+		}
+	}
+}
+
+.cellAction {
+	display: flex;
+	flex-direction: column;
+	gap: var(--spacing-2);
+	flex: 0 0 32px;
+	width: 32px;
+	height: 32px;
+	align-items: center;
+	justify-content: center;
+}
+
+.errorText {
+	color: var(--danger-background);
+}
+
+.addRow {
+	display: flex;
+	justify-content: flex-start;
+	margin-top: var(--spacing-2);
+}
+
+.callout {
+	animation: shake 300ms ease-out;
+
+	&[data-type='success'] {
+		animation: none;
+	}
+}
+
+.results {
+	display: flex;
+	flex-direction: column;
+	gap: var(--spacing-2);
+}
+
+.resultsList {
+	margin: var(--spacing-2) 0 0 var(--spacing-8);
+	padding: 0;
+
+	li {
+		margin-bottom: var(--spacing-1);
+	}
+}
+
+@keyframes shake {
+	0% {
+		transform: translateX(0);
+	}
+
+	25% {
+		transform: translateX(5px);
+	}
+
+	50% {
+		transform: translateX(-5px);
+	}
+
+	75% {
+		transform: translateX(5px);
+	}
+
+	100% {
+		transform: translateX(0);
+	}
+}

frontend/src/components/InviteMembers/InviteMembers.tsx

@@ -0,0 +1,221 @@
+import { CircleAlert, Plus, Trash2 } from '@signozhq/icons';
+import { Button } from '@signozhq/ui/button';
+import { Callout } from '@signozhq/ui/callout';
+import { Input } from '@signozhq/ui/input';
+import { Typography } from '@signozhq/ui/typography';
+import cx from 'classnames';
+import RolesSelect from 'components/RolesSelect/RolesSelect';
+
+import styles from './InviteMembers.module.scss';
+import { InviteMembersProps } from './types';
+import { useInviteMembers } from './useInviteMembers';
+
+function InviteMembers({
+	className,
+	initialRowCount = 3,
+	minRows = 1,
+	emailPlaceholder = 'e.g. john@signoz.io',
+	showHeader = true,
+	showAddButton = true,
+	onSuccess,
+	onPartialSuccess,
+	onAllFailed,
+	renderFooter,
+}: InviteMembersProps): JSX.Element {
+	const {
+		rows,
+		emailValidity,
+		hasInvalidEmails,
+		hasInvalidRoles,
+		isSubmitting,
+		inviteResults,
+		addRow,
+		removeRow,
+		updateEmail,
+		updateRole,
+		reset,
+		submit,
+		touchedRows,
+		failedResults,
+		successResults,
+	} = useInviteMembers({
+		initialRowCount,
+		onSuccess,
+		onPartialSuccess,
+		onAllFailed,
+	});
+
+	const canSubmit = !isSubmitting && touchedRows.length > 0;
+	const canRemoveRow = rows.length > minRows;
+
+	const getValidationErrorMessage = (): string => {
+		if (hasInvalidEmails && hasInvalidRoles) {
+			return 'Please enter valid emails and select roles for team members';
+		}
+		if (hasInvalidEmails) {
+			return 'Please enter valid emails for team members';
+		}
+		return 'Please select roles for team members';
+	};
+
+	const hasValidationErrors = hasInvalidEmails || hasInvalidRoles;
+	const hasResults = inviteResults !== null;
+	const hasFailures = failedResults.length > 0;
+	const hasSuccesses = successResults.length > 0;
+
+	return (
+		<div className={cx(styles.inviteMembers, className)}>
+			<div className={styles.table}>
+				{showHeader && (
+					<div className={styles.header}>
+						<Typography.Text
+							size="base"
+							weight="semibold"
+							className={styles.headerCellEmail}
+						>
+							Email address
+						</Typography.Text>
+						<Typography.Text
+							size="base"
+							weight="semibold"
+							className={styles.headerCellRole}
+						>
+							Role
+						</Typography.Text>
+						<div className={styles.headerCellAction} />
+					</div>
+				)}
+
+				<div className={styles.rows}>
+					{rows.map((row) => (
+						<div key={row.id} className={styles.row}>
+							<div className={styles.cellEmail}>
+								<Input
+									type="email"
+									placeholder={emailPlaceholder}
+									value={row.email}
+									onChange={(e): void => updateEmail(row.id, e.target.value)}
+									name={`invite-email-${row.id}`}
+									autoComplete="email"
+									data-testid={`invite-email-${row.id}`}
+								/>
+								{emailValidity[row.id] === false && row.email.trim() !== '' && (
+									<Typography.Text size="small" className={styles.errorText}>
+										Invalid email address
+									</Typography.Text>
+								)}
+							</div>
+
+							<div className={styles.cellRole}>
+								<RolesSelect
+									mode="single"
+									value={row.roleId || undefined}
+									onChange={(roleId): void => updateRole(row.id, roleId)}
+									placeholder="Select role"
+									allowClear={false}
+									id={`invite-role-${row.id}`}
+								/>
+							</div>
+
+							<div className={styles.cellAction}>
+								{canRemoveRow && (
+									<Button
+										variant="ghost"
+										color="destructive"
+										onClick={(): void => removeRow(row.id)}
+										aria-label="Remove row"
+										data-testid={`invite-remove-${row.id}`}
+									>
+										<Trash2 size={12} />
+									</Button>
+								)}
+							</div>
+						</div>
+					))}
+				</div>
+
+				{showAddButton && (
+					<div className={styles.addRow}>
+						<Button
+							variant="dashed"
+							color="secondary"
+							prefix={<Plus size={12} />}
+							onClick={addRow}
+							data-testid="invite-add-row"
+						>
+							Add another
+						</Button>
+					</div>
+				)}
+			</div>
+
+			{hasValidationErrors && (
+				<Callout
+					type="error"
+					size="small"
+					showIcon
+					icon={<CircleAlert size={12} />}
+					className={styles.callout}
+					data-testid="invite-validation-error"
+				>
+					{getValidationErrorMessage()}
+				</Callout>
+			)}
+
+			{hasResults && hasFailures && (
+				<Callout
+					type="error"
+					size="small"
+					showIcon
+					icon={<CircleAlert size={12} />}
+					className={styles.callout}
+					data-testid="invite-api-error"
+				>
+					<div className={styles.results}>
+						{hasSuccesses && (
+							<Typography.Text size="small">
+								{successResults.length} invite(s) sent successfully.
+							</Typography.Text>
+						)}
+						<Typography.Text size="small">
+							{failedResults.length} invite(s) failed:
+						</Typography.Text>
+						<ul className={styles.resultsList}>
+							{failedResults.map((result) => (
+								<li key={result.email}>
+									<Typography.Text size="small">
+										{result.email}: {result.error}
+									</Typography.Text>
+								</li>
+							))}
+						</ul>
+					</div>
+				</Callout>
+			)}
+
+			{hasResults && !hasFailures && hasSuccesses && (
+				<Callout
+					type="success"
+					size="small"
+					showIcon
+					className={styles.callout}
+					data-testid="invite-success"
+				>
+					<Typography.Text size="small">
+						{successResults.length} invite(s) sent successfully!
+					</Typography.Text>
+				</Callout>
+			)}
+
+			{renderFooter?.({
+				submit,
+				reset,
+				canSubmit,
+				isSubmitting,
+				touchedCount: touchedRows.length,
+			})}
+		</div>
+	);
+}
+
+export default InviteMembers;

frontend/src/components/InviteMembers/__tests__/InviteMembers.edgeCases.test.tsx

@@ -0,0 +1,240 @@
+import { rest, server } from 'mocks-server/server';
+import { render, screen, userEvent, waitFor } from 'tests/test-utils';
+
+import InviteMembers from '../InviteMembers';
+
+import {
+	CREATE_USER_ENDPOINT,
+	createErrorHandler,
+	createRolesHandler,
+	createSuccessHandler,
+	VALID_EMAIL,
+} from './testUtils';
+
+describe('InviteMembers - Edge Cases', () => {
+	beforeEach(() => {
+		server.use(createRolesHandler(), createSuccessHandler());
+	});
+
+	afterEach(() => {
+		server.resetHandlers();
+	});
+
+	describe('reset behavior', () => {
+		it('clears all rows when reset is called', async () => {
+			const user = userEvent.setup({ pointerEventsCheck: 0 });
+
+			render(
+				<InviteMembers
+					initialRowCount={2}
+					renderFooter={({ reset }): JSX.Element => (
+						<button data-testid="reset-btn" onClick={reset}>
+							Reset
+						</button>
+					)}
+				/>,
+			);
+
+			const emailInputs = screen.getAllByPlaceholderText('e.g. john@signoz.io');
+			await user.type(emailInputs[0], VALID_EMAIL);
+			await user.type(emailInputs[1], 'bob@signoz.io');
+
+			await user.click(screen.getByTestId('reset-btn'));
+
+			const resetInputs = screen.getAllByPlaceholderText('e.g. john@signoz.io');
+			expect(resetInputs).toHaveLength(2);
+			resetInputs.forEach((input) => {
+				expect(input).toHaveValue('');
+			});
+		});
+
+		it('clears results on reset', async () => {
+			const user = userEvent.setup({ pointerEventsCheck: 0 });
+
+			render(
+				<InviteMembers
+					renderFooter={({ submit, reset }): JSX.Element => (
+						<>
+							<button data-testid="submit-btn" onClick={submit}>
+								Submit
+							</button>
+							<button data-testid="reset-btn" onClick={reset}>
+								Reset
+							</button>
+						</>
+					)}
+				/>,
+			);
+
+			const emailInputs = screen.getAllByPlaceholderText('e.g. john@signoz.io');
+			await user.type(emailInputs[0], VALID_EMAIL);
+			await user.click(screen.getAllByText('Select role')[0]);
+			await user.click(await screen.findByText('Viewer'));
+
+			await user.click(screen.getByTestId('submit-btn'));
+			await expect(
+				screen.findByTestId('invite-success'),
+			).resolves.toBeInTheDocument();
+
+			await user.click(screen.getByTestId('reset-btn'));
+
+			expect(screen.queryByTestId('invite-success')).not.toBeInTheDocument();
+		});
+	});
+
+	describe('results cleared on edit', () => {
+		it('clears API error when email is edited', async () => {
+			const user = userEvent.setup({ pointerEventsCheck: 0 });
+
+			server.use(createErrorHandler('already_exists', 'User already exists'));
+
+			render(
+				<InviteMembers
+					renderFooter={({ submit }): JSX.Element => (
+						<button data-testid="submit-btn" onClick={submit}>
+							Submit
+						</button>
+					)}
+				/>,
+			);
+
+			const emailInputs = screen.getAllByPlaceholderText('e.g. john@signoz.io');
+			await user.type(emailInputs[0], VALID_EMAIL);
+			await user.click(screen.getAllByText('Select role')[0]);
+			await user.click(await screen.findByText('Viewer'));
+
+			await user.click(screen.getByTestId('submit-btn'));
+			await expect(
+				screen.findByTestId('invite-api-error'),
+			).resolves.toBeInTheDocument();
+
+			await user.type(emailInputs[0], 'x');
+
+			await waitFor(() => {
+				expect(screen.queryByTestId('invite-api-error')).not.toBeInTheDocument();
+			});
+		});
+
+		it('clears API error when role is changed', async () => {
+			const user = userEvent.setup({ pointerEventsCheck: 0 });
+
+			server.use(createErrorHandler('already_exists', 'User already exists'));
+
+			render(
+				<InviteMembers
+					renderFooter={({ submit }): JSX.Element => (
+						<button data-testid="submit-btn" onClick={submit}>
+							Submit
+						</button>
+					)}
+				/>,
+			);
+
+			const emailInputs = screen.getAllByPlaceholderText('e.g. john@signoz.io');
+			await user.type(emailInputs[0], VALID_EMAIL);
+			await user.click(screen.getAllByText('Select role')[0]);
+			await user.click(await screen.findByText('Viewer'));
+
+			await user.click(screen.getByTestId('submit-btn'));
+			await expect(
+				screen.findByTestId('invite-api-error'),
+			).resolves.toBeInTheDocument();
+
+			const viewerElements = screen.getAllByText('Viewer');
+			await user.click(viewerElements[0]);
+			const editorOptions = await screen.findAllByText('Editor');
+			await user.click(editorOptions[editorOptions.length - 1]);
+
+			await waitFor(() => {
+				expect(screen.queryByTestId('invite-api-error')).not.toBeInTheDocument();
+			});
+		});
+	});
+
+	describe('empty submission', () => {
+		it('does not submit when no rows are touched', async () => {
+			const user = userEvent.setup({ pointerEventsCheck: 0 });
+			const onSuccess = jest.fn();
+
+			render(
+				<InviteMembers
+					onSuccess={onSuccess}
+					renderFooter={({ submit }): JSX.Element => (
+						<button data-testid="submit-btn" onClick={submit}>
+							Submit
+						</button>
+					)}
+				/>,
+			);
+
+			await user.click(screen.getByTestId('submit-btn'));
+
+			expect(onSuccess).not.toHaveBeenCalled();
+		});
+	});
+
+	describe('submitting state', () => {
+		it('disables submit while submitting', async () => {
+			const user = userEvent.setup({ pointerEventsCheck: 0 });
+
+			render(
+				<InviteMembers
+					renderFooter={({ submit, isSubmitting }): JSX.Element => (
+						<button data-testid="submit-btn" onClick={submit} disabled={isSubmitting}>
+							{isSubmitting ? 'Submitting...' : 'Submit'}
+						</button>
+					)}
+				/>,
+			);
+
+			const emailInputs = screen.getAllByPlaceholderText('e.g. john@signoz.io');
+			await user.type(emailInputs[0], VALID_EMAIL);
+			await user.click(screen.getAllByText('Select role')[0]);
+			await user.click(await screen.findByText('Viewer'));
+
+			const submitBtn = screen.getByTestId('submit-btn');
+			await user.click(submitBtn);
+
+			await waitFor(() => {
+				expect(screen.queryByText('Submitting...')).not.toBeInTheDocument();
+			});
+		});
+	});
+
+	describe('whitespace handling', () => {
+		it('trims email whitespace before submission', async () => {
+			const user = userEvent.setup({ pointerEventsCheck: 0 });
+			const calls: { email: string }[] = [];
+
+			server.use(
+				rest.post(CREATE_USER_ENDPOINT, async (req, res, ctx) => {
+					const body = await req.json();
+					calls.push(body);
+					return res(ctx.status(201), ctx.json({ data: { id: 'user-123' } }));
+				}),
+			);
+
+			render(
+				<InviteMembers
+					renderFooter={({ submit }): JSX.Element => (
+						<button data-testid="submit-btn" onClick={submit}>
+							Submit
+						</button>
+					)}
+				/>,
+			);
+
+			const emailInputs = screen.getAllByPlaceholderText('e.g. john@signoz.io');
+			await user.type(emailInputs[0], '  alice@signoz.io  ');
+			await user.click(screen.getAllByText('Select role')[0]);
+			await user.click(await screen.findByText('Viewer'));
+
+			await user.click(screen.getByTestId('submit-btn'));
+
+			await waitFor(() => {
+				expect(calls).toHaveLength(1);
+				expect(calls[0].email).toBe('alice@signoz.io');
+			});
+		});
+	});
+});

frontend/src/components/InviteMembers/__tests__/InviteMembers.rendering.test.tsx

@@ -0,0 +1,95 @@
+import { server } from 'mocks-server/server';
+import { render, screen } from 'tests/test-utils';
+
+import InviteMembers from '../InviteMembers';
+
+import { createRolesHandler, createSuccessHandler } from './testUtils';
+
+describe('InviteMembers - Rendering', () => {
+	beforeEach(() => {
+		server.use(createRolesHandler(), createSuccessHandler());
+	});
+
+	afterEach(() => {
+		server.resetHandlers();
+	});
+
+	it('renders default initial row count of 3', () => {
+		render(<InviteMembers />);
+
+		const emailInputs = screen.getAllByPlaceholderText('e.g. john@signoz.io');
+		expect(emailInputs).toHaveLength(3);
+	});
+
+	it('renders custom initial row count', () => {
+		render(<InviteMembers initialRowCount={5} />);
+
+		const emailInputs = screen.getAllByPlaceholderText('e.g. john@signoz.io');
+		expect(emailInputs).toHaveLength(5);
+	});
+
+	it('renders header by default', () => {
+		render(<InviteMembers />);
+
+		expect(screen.getByText('Email address')).toBeInTheDocument();
+		expect(screen.getByText('Role')).toBeInTheDocument();
+	});
+
+	it('hides header when showHeader is false', () => {
+		render(<InviteMembers showHeader={false} />);
+
+		expect(screen.queryByText('Email address')).not.toBeInTheDocument();
+		expect(screen.queryByText('Role')).not.toBeInTheDocument();
+	});
+
+	it('renders add button by default', () => {
+		render(<InviteMembers />);
+
+		expect(
+			screen.getByRole('button', { name: /add another/i }),
+		).toBeInTheDocument();
+	});
+
+	it('hides add button when showAddButton is false', () => {
+		render(<InviteMembers showAddButton={false} />);
+
+		expect(
+			screen.queryByRole('button', { name: /add another/i }),
+		).not.toBeInTheDocument();
+	});
+
+	it('renders custom email placeholder', () => {
+		render(<InviteMembers emailPlaceholder="custom@placeholder.com" />);
+
+		const emailInputs = screen.getAllByPlaceholderText('custom@placeholder.com');
+		expect(emailInputs).toHaveLength(3);
+	});
+
+	it('applies custom className', () => {
+		const { container } = render(<InviteMembers className="custom-class" />);
+
+		expect(container.querySelector('.custom-class')).toBeInTheDocument();
+	});
+
+	it('renders footer via renderFooter prop', () => {
+		render(
+			<InviteMembers
+				renderFooter={({ canSubmit }): JSX.Element => (
+					<button data-testid="custom-footer" disabled={!canSubmit}>
+						Custom Submit
+					</button>
+				)}
+			/>,
+		);
+
+		expect(screen.getByTestId('custom-footer')).toBeInTheDocument();
+		expect(screen.getByTestId('custom-footer')).toBeDisabled();
+	});
+
+	it('renders role select for each row', () => {
+		render(<InviteMembers initialRowCount={2} />);
+
+		const roleSelects = screen.getAllByText('Select role');
+		expect(roleSelects).toHaveLength(2);
+	});
+});

frontend/src/components/InviteMembers/__tests__/InviteMembers.rowManagement.test.tsx

@@ -0,0 +1,95 @@
+import { server } from 'mocks-server/server';
+import { render, screen, userEvent } from 'tests/test-utils';
+
+import InviteMembers from '../InviteMembers';
+
+import { createRolesHandler, createSuccessHandler } from './testUtils';
+
+describe('InviteMembers - Row Management', () => {
+	beforeEach(() => {
+		server.use(createRolesHandler(), createSuccessHandler());
+	});
+
+	afterEach(() => {
+		server.resetHandlers();
+	});
+
+	it('adds a row when "Add another" is clicked', async () => {
+		const user = userEvent.setup({ pointerEventsCheck: 0 });
+
+		render(<InviteMembers initialRowCount={2} />);
+
+		expect(screen.getAllByPlaceholderText('e.g. john@signoz.io')).toHaveLength(2);
+
+		await user.click(screen.getByRole('button', { name: /add another/i }));
+
+		expect(screen.getAllByPlaceholderText('e.g. john@signoz.io')).toHaveLength(3);
+	});
+
+	it('removes a row when trash button is clicked', async () => {
+		const user = userEvent.setup({ pointerEventsCheck: 0 });
+
+		render(<InviteMembers initialRowCount={3} />);
+
+		const removeButtons = screen.getAllByRole('button', { name: /remove row/i });
+		expect(removeButtons).toHaveLength(3);
+
+		await user.click(removeButtons[0]);
+
+		expect(screen.getAllByPlaceholderText('e.g. john@signoz.io')).toHaveLength(2);
+	});
+
+	it('respects minRows constraint when removing rows', async () => {
+		const user = userEvent.setup({ pointerEventsCheck: 0 });
+
+		render(<InviteMembers initialRowCount={2} minRows={2} />);
+
+		expect(screen.queryAllByRole('button', { name: /remove row/i })).toHaveLength(
+			0,
+		);
+
+		await user.click(screen.getByRole('button', { name: /add another/i }));
+
+		const removeButtons = screen.getAllByRole('button', { name: /remove row/i });
+		expect(removeButtons).toHaveLength(3);
+
+		await user.click(removeButtons[0]);
+
+		expect(screen.getAllByPlaceholderText('e.g. john@signoz.io')).toHaveLength(2);
+		expect(screen.queryAllByRole('button', { name: /remove row/i })).toHaveLength(
+			0,
+		);
+	});
+
+	it('cannot remove rows below minRows=1 default', async () => {
+		const user = userEvent.setup({ pointerEventsCheck: 0 });
+
+		render(<InviteMembers initialRowCount={2} />);
+
+		const removeButtons = screen.getAllByRole('button', { name: /remove row/i });
+		await user.click(removeButtons[0]);
+
+		expect(screen.getAllByPlaceholderText('e.g. john@signoz.io')).toHaveLength(1);
+		expect(screen.queryAllByRole('button', { name: /remove row/i })).toHaveLength(
+			0,
+		);
+	});
+
+	it('preserves data in other rows when removing one', async () => {
+		const user = userEvent.setup({ pointerEventsCheck: 0 });
+
+		render(<InviteMembers initialRowCount={3} />);
+
+		const emailInputs = screen.getAllByPlaceholderText('e.g. john@signoz.io');
+		await user.type(emailInputs[0], 'first@signoz.io');
+		await user.type(emailInputs[2], 'third@signoz.io');
+
+		const removeButtons = screen.getAllByRole('button', { name: /remove row/i });
+		await user.click(removeButtons[1]);
+
+		const remainingInputs = screen.getAllByPlaceholderText('e.g. john@signoz.io');
+		expect(remainingInputs).toHaveLength(2);
+		expect(remainingInputs[0]).toHaveValue('first@signoz.io');
+		expect(remainingInputs[1]).toHaveValue('third@signoz.io');
+	});
+});

frontend/src/components/InviteMembers/__tests__/InviteMembers.submission.test.tsx

@@ -0,0 +1,362 @@
+import { rest, server } from 'mocks-server/server';
+import { render, screen, userEvent, waitFor } from 'tests/test-utils';
+
+import InviteMembers from '../InviteMembers';
+
+import {
+	CREATE_USER_ENDPOINT,
+	createErrorHandler,
+	createRolesHandler,
+	createSuccessHandler,
+	createTrackingHandler,
+	VALID_EMAIL,
+} from './testUtils';
+
+describe('InviteMembers - Submission', () => {
+	beforeEach(() => {
+		server.use(createRolesHandler(), createSuccessHandler());
+	});
+
+	afterEach(() => {
+		server.resetHandlers();
+	});
+
+	describe('API calls', () => {
+		it('calls createUser API for each touched row', async () => {
+			const user = userEvent.setup({ pointerEventsCheck: 0 });
+			const { handler, calls } = createTrackingHandler();
+			server.use(handler);
+
+			render(
+				<InviteMembers
+					initialRowCount={3}
+					renderFooter={({ submit }): JSX.Element => (
+						<button data-testid="submit-btn" onClick={submit}>
+							Submit
+						</button>
+					)}
+				/>,
+			);
+
+			const emailInputs = screen.getAllByPlaceholderText('e.g. john@signoz.io');
+			await user.type(emailInputs[0], 'alice@signoz.io');
+			await user.click(screen.getAllByText('Select role')[0]);
+			await user.click(await screen.findByText('Viewer'));
+
+			await user.click(screen.getByTestId('submit-btn'));
+
+			await waitFor(() => {
+				expect(calls).toHaveLength(1);
+				expect(calls[0]).toMatchObject({
+					email: 'alice@signoz.io',
+					userRoles: [{ id: 'role-viewer' }],
+				});
+			});
+		});
+
+		it('calls createUser API for multiple touched rows', async () => {
+			const user = userEvent.setup({ pointerEventsCheck: 0 });
+			const { handler, calls } = createTrackingHandler();
+			server.use(handler);
+
+			render(
+				<InviteMembers
+					initialRowCount={3}
+					renderFooter={({ submit }): JSX.Element => (
+						<button data-testid="submit-btn" onClick={submit}>
+							Submit
+						</button>
+					)}
+				/>,
+			);
+
+			const emailInputs = screen.getAllByPlaceholderText('e.g. john@signoz.io');
+
+			await user.type(emailInputs[0], 'alice@signoz.io');
+			await user.click(screen.getAllByText('Select role')[0]);
+			await user.click(await screen.findByText('Viewer'));
+
+			await user.type(emailInputs[1], 'bob@signoz.io');
+			await user.click(screen.getAllByText('Select role')[0]);
+			const editorOptions = await screen.findAllByText('Editor');
+			await user.click(editorOptions[editorOptions.length - 1]);
+
+			await user.type(emailInputs[2], 'charlie@signoz.io');
+			await user.click(screen.getAllByText('Select role')[0]);
+			const adminOptions = await screen.findAllByText('Admin');
+			await user.click(adminOptions[adminOptions.length - 1]);
+
+			await user.click(screen.getByTestId('submit-btn'));
+
+			await waitFor(() => {
+				expect(calls).toHaveLength(3);
+			});
+
+			expect(calls[0]).toMatchObject({
+				email: 'alice@signoz.io',
+				userRoles: [{ id: 'role-viewer' }],
+			});
+			expect(calls[1]).toMatchObject({
+				email: 'bob@signoz.io',
+				userRoles: [{ id: 'role-editor' }],
+			});
+			expect(calls[2]).toMatchObject({
+				email: 'charlie@signoz.io',
+				userRoles: [{ id: 'role-admin' }],
+			});
+		});
+	});
+
+	describe('callbacks', () => {
+		it('calls onSuccess when all invites succeed', async () => {
+			const user = userEvent.setup({ pointerEventsCheck: 0 });
+			const onSuccess = jest.fn();
+
+			render(
+				<InviteMembers
+					onSuccess={onSuccess}
+					renderFooter={({ submit }): JSX.Element => (
+						<button data-testid="submit-btn" onClick={submit}>
+							Submit
+						</button>
+					)}
+				/>,
+			);
+
+			const emailInputs = screen.getAllByPlaceholderText('e.g. john@signoz.io');
+			await user.type(emailInputs[0], VALID_EMAIL);
+			await user.click(screen.getAllByText('Select role')[0]);
+			await user.click(await screen.findByText('Viewer'));
+
+			await user.click(screen.getByTestId('submit-btn'));
+
+			await waitFor(() => {
+				expect(onSuccess).toHaveBeenCalled();
+			});
+		});
+
+		it('calls onAllFailed when all invites fail', async () => {
+			const user = userEvent.setup({ pointerEventsCheck: 0 });
+			const onAllFailed = jest.fn();
+
+			server.use(createErrorHandler('already_exists', 'User already exists'));
+
+			render(
+				<InviteMembers
+					onAllFailed={onAllFailed}
+					renderFooter={({ submit }): JSX.Element => (
+						<button data-testid="submit-btn" onClick={submit}>
+							Submit
+						</button>
+					)}
+				/>,
+			);
+
+			const emailInputs = screen.getAllByPlaceholderText('e.g. john@signoz.io');
+			await user.type(emailInputs[0], VALID_EMAIL);
+			await user.click(screen.getAllByText('Select role')[0]);
+			await user.click(await screen.findByText('Viewer'));
+
+			await user.click(screen.getByTestId('submit-btn'));
+
+			await waitFor(() => {
+				expect(onAllFailed).toHaveBeenCalledWith(
+					expect.arrayContaining([
+						expect.objectContaining({
+							email: VALID_EMAIL,
+							success: false,
+						}),
+					]),
+				);
+			});
+		});
+
+		it('calls onPartialSuccess when some invites succeed and some fail', async () => {
+			const user = userEvent.setup({ pointerEventsCheck: 0 });
+			const onPartialSuccess = jest.fn();
+			const onSuccess = jest.fn();
+			const onAllFailed = jest.fn();
+			const apiCalls: string[] = [];
+			let callCount = 0;
+
+			server.use(
+				createRolesHandler(),
+				rest.post(CREATE_USER_ENDPOINT, async (req, res, ctx) => {
+					const body = await req.json();
+					apiCalls.push(body.email);
+					callCount++;
+					if (callCount === 1) {
+						return res(ctx.status(201), ctx.json({ data: { id: 'user-123' } }));
+					}
+					return res(
+						ctx.status(409),
+						ctx.json({
+							error: {
+								code: 'already_exists',
+								message: 'User already exists',
+							},
+						}),
+					);
+				}),
+			);
+
+			render(
+				<InviteMembers
+					initialRowCount={2}
+					onSuccess={onSuccess}
+					onPartialSuccess={onPartialSuccess}
+					onAllFailed={onAllFailed}
+					renderFooter={({ submit }): JSX.Element => (
+						<button data-testid="submit-btn" onClick={submit}>
+							Submit
+						</button>
+					)}
+				/>,
+			);
+
+			const emailInputs = screen.getAllByPlaceholderText('e.g. john@signoz.io');
+
+			await user.type(emailInputs[0], 'alice@signoz.io');
+			await user.click(screen.getAllByText('Select role')[0]);
+			await user.click(await screen.findByText('Viewer'));
+
+			await user.type(emailInputs[1], 'bob@signoz.io');
+			await user.click(screen.getAllByText('Select role')[0]);
+			const editorOptions = await screen.findAllByText('Editor');
+			await user.click(editorOptions[editorOptions.length - 1]);
+
+			await user.click(screen.getByTestId('submit-btn'));
+
+			await waitFor(() => {
+				expect(apiCalls).toHaveLength(2);
+			});
+
+			expect(apiCalls).toStrictEqual(['alice@signoz.io', 'bob@signoz.io']);
+			expect(onSuccess).not.toHaveBeenCalled();
+			expect(onAllFailed).not.toHaveBeenCalled();
+			expect(onPartialSuccess).toHaveBeenCalledWith(
+				expect.arrayContaining([
+					expect.objectContaining({ email: 'alice@signoz.io', success: true }),
+					expect.objectContaining({
+						email: 'bob@signoz.io',
+						success: false,
+						error: 'User already exists',
+					}),
+				]),
+			);
+
+			await expect(
+				screen.findByTestId('invite-api-error'),
+			).resolves.toBeInTheDocument();
+			expect(
+				screen.getByText('1 invite(s) sent successfully.'),
+			).toBeInTheDocument();
+			expect(screen.getByText('1 invite(s) failed:')).toBeInTheDocument();
+			expect(
+				screen.getByText('bob@signoz.io: User already exists'),
+			).toBeInTheDocument();
+		});
+	});
+
+	describe('result display', () => {
+		it('shows success callout when all invites succeed', async () => {
+			const user = userEvent.setup({ pointerEventsCheck: 0 });
+
+			render(
+				<InviteMembers
+					renderFooter={({ submit }): JSX.Element => (
+						<button data-testid="submit-btn" onClick={submit}>
+							Submit
+						</button>
+					)}
+				/>,
+			);
+
+			const emailInputs = screen.getAllByPlaceholderText('e.g. john@signoz.io');
+			await user.type(emailInputs[0], VALID_EMAIL);
+			await user.click(screen.getAllByText('Select role')[0]);
+			await user.click(await screen.findByText('Viewer'));
+
+			await user.click(screen.getByTestId('submit-btn'));
+
+			await expect(
+				screen.findByTestId('invite-success'),
+			).resolves.toBeInTheDocument();
+		});
+
+		it('shows error callout with failed emails when API fails', async () => {
+			const user = userEvent.setup({ pointerEventsCheck: 0 });
+
+			server.use(createErrorHandler('already_exists', 'User already exists'));
+
+			render(
+				<InviteMembers
+					renderFooter={({ submit }): JSX.Element => (
+						<button data-testid="submit-btn" onClick={submit}>
+							Submit
+						</button>
+					)}
+				/>,
+			);
+
+			const emailInputs = screen.getAllByPlaceholderText('e.g. john@signoz.io');
+			await user.type(emailInputs[0], VALID_EMAIL);
+			await user.click(screen.getAllByText('Select role')[0]);
+			await user.click(await screen.findByText('Viewer'));
+
+			await user.click(screen.getByTestId('submit-btn'));
+
+			await expect(
+				screen.findByTestId('invite-api-error'),
+			).resolves.toBeInTheDocument();
+			expect(screen.getByText(/1 invite\(s\) failed/)).toBeInTheDocument();
+		});
+	});
+
+	describe('footer props', () => {
+		it('provides correct canSubmit state', async () => {
+			const user = userEvent.setup({ pointerEventsCheck: 0 });
+
+			render(
+				<InviteMembers
+					renderFooter={({ canSubmit }): JSX.Element => (
+						<button data-testid="submit-btn" disabled={!canSubmit}>
+							Submit
+						</button>
+					)}
+				/>,
+			);
+
+			expect(screen.getByTestId('submit-btn')).toBeDisabled();
+
+			const emailInputs = screen.getAllByPlaceholderText('e.g. john@signoz.io');
+			await user.type(emailInputs[0], VALID_EMAIL);
+
+			expect(screen.getByTestId('submit-btn')).not.toBeDisabled();
+		});
+
+		it('provides touchedCount', async () => {
+			const user = userEvent.setup({ pointerEventsCheck: 0 });
+
+			render(
+				<InviteMembers
+					initialRowCount={3}
+					renderFooter={({ touchedCount }): JSX.Element => (
+						<span data-testid="touched-count">{touchedCount}</span>
+					)}
+				/>,
+			);
+
+			expect(screen.getByTestId('touched-count')).toHaveTextContent('0');
+
+			const emailInputs = screen.getAllByPlaceholderText('e.g. john@signoz.io');
+			await user.type(emailInputs[0], 'a@b.com');
+
+			expect(screen.getByTestId('touched-count')).toHaveTextContent('1');
+
+			await user.type(emailInputs[1], 'c@d.com');
+
+			expect(screen.getByTestId('touched-count')).toHaveTextContent('2');
+		});
+	});
+});

frontend/src/components/InviteMembers/__tests__/InviteMembers.validation.test.tsx

@@ -0,0 +1,217 @@
+import { server } from 'mocks-server/server';
+import { render, screen, userEvent, waitFor } from 'tests/test-utils';
+
+import InviteMembers from '../InviteMembers';
+
+import {
+	createRolesHandler,
+	createSuccessHandler,
+	INVALID_EMAIL,
+	VALID_EMAIL,
+} from './testUtils';
+
+describe('InviteMembers - Validation', () => {
+	beforeEach(() => {
+		server.use(createRolesHandler(), createSuccessHandler());
+	});
+
+	afterEach(() => {
+		server.resetHandlers();
+	});
+
+	describe('email validation', () => {
+		it('shows email validation error when email is invalid and role is selected', async () => {
+			const user = userEvent.setup({ pointerEventsCheck: 0 });
+
+			render(
+				<InviteMembers
+					renderFooter={({ submit }): JSX.Element => (
+						<button data-testid="submit-btn" onClick={submit}>
+							Submit
+						</button>
+					)}
+				/>,
+			);
+
+			const emailInputs = screen.getAllByPlaceholderText('e.g. john@signoz.io');
+			await user.type(emailInputs[0], INVALID_EMAIL);
+			await user.click(screen.getAllByText('Select role')[0]);
+			await user.click(await screen.findByText('Viewer'));
+
+			await user.click(screen.getByTestId('submit-btn'));
+
+			await expect(
+				screen.findByText('Please enter valid emails for team members'),
+			).resolves.toBeInTheDocument();
+		});
+
+		it('shows inline error for invalid email field', async () => {
+			const user = userEvent.setup({ pointerEventsCheck: 0 });
+
+			render(
+				<InviteMembers
+					renderFooter={({ submit }): JSX.Element => (
+						<button data-testid="submit-btn" onClick={submit}>
+							Submit
+						</button>
+					)}
+				/>,
+			);
+
+			const emailInputs = screen.getAllByPlaceholderText('e.g. john@signoz.io');
+			await user.type(emailInputs[0], INVALID_EMAIL);
+			await user.click(screen.getAllByText('Select role')[0]);
+			await user.click(await screen.findByText('Viewer'));
+
+			await user.click(screen.getByTestId('submit-btn'));
+
+			await expect(
+				screen.findByText('Invalid email address'),
+			).resolves.toBeInTheDocument();
+		});
+
+		it('clears validation error when email is corrected', async () => {
+			const user = userEvent.setup({ pointerEventsCheck: 0 });
+
+			render(
+				<InviteMembers
+					renderFooter={({ submit }): JSX.Element => (
+						<button data-testid="submit-btn" onClick={submit}>
+							Submit
+						</button>
+					)}
+				/>,
+			);
+
+			const emailInputs = screen.getAllByPlaceholderText('e.g. john@signoz.io');
+			await user.type(emailInputs[0], INVALID_EMAIL);
+			await user.click(screen.getAllByText('Select role')[0]);
+			await user.click(await screen.findByText('Viewer'));
+			await user.click(screen.getByTestId('submit-btn'));
+
+			await expect(
+				screen.findByText('Please enter valid emails for team members'),
+			).resolves.toBeInTheDocument();
+
+			await user.clear(emailInputs[0]);
+			await user.type(emailInputs[0], VALID_EMAIL);
+
+			await waitFor(() => {
+				expect(
+					screen.queryByText('Please enter valid emails for team members'),
+				).not.toBeInTheDocument();
+			});
+		});
+	});
+
+	describe('role validation', () => {
+		it('shows role validation error when role is missing', async () => {
+			const user = userEvent.setup({ pointerEventsCheck: 0 });
+
+			render(
+				<InviteMembers
+					renderFooter={({ submit }): JSX.Element => (
+						<button data-testid="submit-btn" onClick={submit}>
+							Submit
+						</button>
+					)}
+				/>,
+			);
+
+			const emailInputs = screen.getAllByPlaceholderText('e.g. john@signoz.io');
+			await user.type(emailInputs[0], VALID_EMAIL);
+
+			await user.click(screen.getByTestId('submit-btn'));
+
+			await expect(
+				screen.findByText('Please select roles for team members'),
+			).resolves.toBeInTheDocument();
+		});
+
+		it('clears role validation error when role is selected', async () => {
+			const user = userEvent.setup({ pointerEventsCheck: 0 });
+
+			render(
+				<InviteMembers
+					renderFooter={({ submit }): JSX.Element => (
+						<button data-testid="submit-btn" onClick={submit}>
+							Submit
+						</button>
+					)}
+				/>,
+			);
+
+			const emailInputs = screen.getAllByPlaceholderText('e.g. john@signoz.io');
+			await user.type(emailInputs[0], VALID_EMAIL);
+			await user.click(screen.getByTestId('submit-btn'));
+
+			await expect(
+				screen.findByText('Please select roles for team members'),
+			).resolves.toBeInTheDocument();
+
+			await user.click(screen.getAllByText('Select role')[0]);
+			await user.click(await screen.findByText('Viewer'));
+
+			await waitFor(() => {
+				expect(
+					screen.queryByText('Please select roles for team members'),
+				).not.toBeInTheDocument();
+			});
+		});
+	});
+
+	describe('combined validation', () => {
+		it('shows combined error when both email and role are invalid', async () => {
+			const user = userEvent.setup({ pointerEventsCheck: 0 });
+
+			render(
+				<InviteMembers
+					renderFooter={({ submit }): JSX.Element => (
+						<button data-testid="submit-btn" onClick={submit}>
+							Submit
+						</button>
+					)}
+				/>,
+			);
+
+			const emailInputs = screen.getAllByPlaceholderText('e.g. john@signoz.io');
+			await user.type(emailInputs[0], INVALID_EMAIL);
+
+			await user.click(screen.getByTestId('submit-btn'));
+
+			await expect(
+				screen.findByText(
+					'Please enter valid emails and select roles for team members',
+				),
+			).resolves.toBeInTheDocument();
+		});
+	});
+
+	describe('touched rows', () => {
+		it('only validates touched rows (rows with email or role)', async () => {
+			const user = userEvent.setup({ pointerEventsCheck: 0 });
+
+			render(
+				<InviteMembers
+					initialRowCount={3}
+					renderFooter={({ submit }): JSX.Element => (
+						<button data-testid="submit-btn" onClick={submit}>
+							Submit
+						</button>
+					)}
+				/>,
+			);
+
+			const emailInputs = screen.getAllByPlaceholderText('e.g. john@signoz.io');
+			await user.type(emailInputs[0], VALID_EMAIL);
+			await user.click(screen.getAllByText('Select role')[0]);
+			await user.click(await screen.findByText('Viewer'));
+
+			await user.click(screen.getByTestId('submit-btn'));
+
+			expect(
+				screen.queryByTestId('invite-validation-error'),
+			).not.toBeInTheDocument();
+		});
+	});
+});

frontend/src/components/InviteMembers/__tests__/testUtils.ts

@@ -0,0 +1,54 @@
+import { RestHandler } from 'msw';
+import { rest } from 'mocks-server/server';
+
+export const CREATE_USER_ENDPOINT = '*/api/v2/users';
+export const LIST_ROLES_ENDPOINT = '*/api/v1/roles';
+
+export const MOCK_ROLES = [
+	{ id: 'role-admin', name: 'Admin', description: 'Admin role' },
+	{ id: 'role-editor', name: 'Editor', description: 'Editor role' },
+	{ id: 'role-viewer', name: 'Viewer', description: 'Viewer role' },
+];
+
+export const VALID_EMAIL = 'alice@signoz.io';
+export const INVALID_EMAIL = 'not-an-email';
+
+export function createSuccessHandler(): RestHandler {
+	return rest.post(CREATE_USER_ENDPOINT, (_, res, ctx) =>
+		res(ctx.status(201), ctx.json({ data: { id: 'user-123' } })),
+	);
+}
+
+export function createErrorHandler(
+	code: string,
+	message: string,
+	status = 409,
+): RestHandler {
+	return rest.post(CREATE_USER_ENDPOINT, (_, res, ctx) =>
+		res(
+			ctx.status(status),
+			ctx.json({
+				errors: [{ code, msg: message }],
+			}),
+		),
+	);
+}
+
+export function createRolesHandler(): RestHandler {
+	return rest.get(LIST_ROLES_ENDPOINT, (_, res, ctx) =>
+		res(ctx.status(200), ctx.json({ data: MOCK_ROLES })),
+	);
+}
+
+export function createTrackingHandler(): {
+	handler: RestHandler;
+	calls: unknown[];
+} {
+	const calls: unknown[] = [];
+	const handler = rest.post(CREATE_USER_ENDPOINT, async (req, res, ctx) => {
+		const body = await req.json();
+		calls.push(body);
+		return res(ctx.status(201), ctx.json({ data: { id: 'user-123' } }));
+	});
+	return { handler, calls };
+}

frontend/src/components/InviteMembers/types.ts

@@ -0,0 +1,64 @@
+import { ReactNode } from 'react';
+
+export interface InviteMemberRow {
+	id: string;
+	email: string;
+	roleId: string;
+}
+
+export interface InviteResult {
+	email: string;
+	success: boolean;
+	error?: string;
+}
+
+export interface FooterRenderProps {
+	submit: () => Promise<InviteResult[]>;
+	reset: () => void;
+	canSubmit: boolean;
+	isSubmitting: boolean;
+	touchedCount: number;
+}
+
+export interface UseInviteMembersOptions {
+	initialRowCount?: number;
+	onSuccess?: () => void;
+	onPartialSuccess?: (results: InviteResult[]) => void;
+	onAllFailed?: (results: InviteResult[]) => void;
+}
+
+export interface UseInviteMembersReturn {
+	rows: InviteMemberRow[];
+	emailValidity: Record<string, boolean>;
+	hasInvalidEmails: boolean;
+	hasInvalidRoles: boolean;
+	isSubmitting: boolean;
+	inviteResults: InviteResult[] | null;
+
+	addRow: () => void;
+	removeRow: (id: string) => void;
+	updateEmail: (id: string, email: string) => void;
+	updateRole: (id: string, roleId: string | undefined) => void;
+	reset: () => void;
+	submit: () => Promise<InviteResult[]>;
+
+	touchedRows: InviteMemberRow[];
+	failedResults: InviteResult[];
+	successResults: InviteResult[];
+	canSubmit: boolean;
+}
+
+export interface InviteMembersProps {
+	className?: string;
+	initialRowCount?: number;
+	minRows?: number;
+	emailPlaceholder?: string;
+	showHeader?: boolean;
+	showAddButton?: boolean;
+
+	onSuccess?: () => void;
+	onPartialSuccess?: (results: InviteResult[]) => void;
+	onAllFailed?: (results: InviteResult[]) => void;
+
+	renderFooter?: (props: FooterRenderProps) => ReactNode;
+}

frontend/src/components/InviteMembers/useInviteMembers.ts

@@ -0,0 +1,245 @@
+import { useCallback, useMemo, useState } from 'react';
+import { AxiosError } from 'axios';
+import { convertToApiError } from 'api/ErrorResponseHandlerForGeneratedAPIs';
+import { RenderErrorResponseDTO } from 'api/generated/services/sigNoz.schemas';
+import { createUser } from 'api/generated/services/users';
+import { cloneDeep, debounce } from 'lodash-es';
+import { EMAIL_REGEX } from 'utils/app';
+import { getBaseUrl } from 'utils/basePath';
+import { v4 as uuid } from 'uuid';
+
+import {
+	InviteMemberRow,
+	InviteResult,
+	UseInviteMembersOptions,
+	UseInviteMembersReturn,
+} from './types';
+
+const createEmptyRow = (): InviteMemberRow => ({
+	id: uuid(),
+	email: '',
+	roleId: '',
+});
+
+const isRowTouched = (row: InviteMemberRow): boolean =>
+	row.email.trim() !== '' || row.roleId !== '';
+
+export function useInviteMembers(
+	options: UseInviteMembersOptions = {},
+): UseInviteMembersReturn {
+	const {
+		initialRowCount = 3,
+		onSuccess,
+		onPartialSuccess,
+		onAllFailed,
+	} = options;
+
+	const [rows, setRows] = useState<InviteMemberRow[]>(() =>
+		Array.from({ length: initialRowCount }, () => createEmptyRow()),
+	);
+	const [emailValidity, setEmailValidity] = useState<Record<string, boolean>>(
+		{},
+	);
+	const [hasInvalidEmails, setHasInvalidEmails] = useState(false);
+	const [hasInvalidRoles, setHasInvalidRoles] = useState(false);
+	const [isSubmitting, setIsSubmitting] = useState(false);
+	const [inviteResults, setInviteResults] = useState<InviteResult[] | null>(
+		null,
+	);
+
+	const touchedRows = useMemo(() => rows.filter(isRowTouched), [rows]);
+
+	const failedResults = useMemo(
+		() => inviteResults?.filter((r) => !r.success) ?? [],
+		[inviteResults],
+	);
+
+	const successResults = useMemo(
+		() => inviteResults?.filter((r) => r.success) ?? [],
+		[inviteResults],
+	);
+
+	const debouncedValidateEmail = useMemo(
+		() =>
+			debounce((email: string, rowId: string) => {
+				const isValid = EMAIL_REGEX.test(email);
+				setEmailValidity((prev) => ({ ...prev, [rowId]: isValid }));
+			}, 500),
+		[],
+	);
+
+	const validateAllRows = useCallback((): boolean => {
+		let isValid = true;
+		let hasEmailErrors = false;
+		let hasRoleErrors = false;
+		const updatedEmailValidity: Record<string, boolean> = {};
+
+		const touched = rows.filter(isRowTouched);
+
+		touched.forEach((row) => {
+			const emailValid = EMAIL_REGEX.test(row.email);
+			const roleValid = row.roleId !== '';
+
+			if (!emailValid || !row.email) {
+				isValid = false;
+				hasEmailErrors = true;
+			}
+			if (!roleValid) {
+				isValid = false;
+				hasRoleErrors = true;
+			}
+
+			updatedEmailValidity[row.id] = emailValid;
+		});
+
+		setEmailValidity(updatedEmailValidity);
+		setHasInvalidEmails(hasEmailErrors);
+		setHasInvalidRoles(hasRoleErrors);
+
+		return isValid;
+	}, [rows]);
+
+	const addRow = useCallback((): void => {
+		setRows((prev) => [...prev, createEmptyRow()]);
+	}, []);
+
+	const removeRow = useCallback((id: string): void => {
+		setRows((prev) => prev.filter((r) => r.id !== id));
+		setEmailValidity((prev) => {
+			const updated = { ...prev };
+			delete updated[id];
+			return updated;
+		});
+	}, []);
+
+	const updateEmail = useCallback(
+		(id: string, email: string): void => {
+			setRows((prev) => {
+				const updated = cloneDeep(prev);
+				const row = updated.find((r) => r.id === id);
+				if (row) {
+					row.email = email;
+				}
+				return updated;
+			});
+
+			if (hasInvalidEmails) {
+				setHasInvalidEmails(false);
+			}
+			if (emailValidity[id] === false) {
+				setEmailValidity((prev) => ({ ...prev, [id]: true }));
+			}
+			if (inviteResults) {
+				setInviteResults(null);
+			}
+
+			debouncedValidateEmail(email, id);
+		},
+		[hasInvalidEmails, emailValidity, inviteResults, debouncedValidateEmail],
+	);
+
+	const updateRole = useCallback(
+		(id: string, roleId: string | undefined): void => {
+			setRows((prev) => {
+				const updated = cloneDeep(prev);
+				const row = updated.find((r) => r.id === id);
+				if (row) {
+					row.roleId = roleId ?? '';
+				}
+				return updated;
+			});
+
+			if (hasInvalidRoles) {
+				setHasInvalidRoles(false);
+			}
+			if (inviteResults) {
+				setInviteResults(null);
+			}
+		},
+		[hasInvalidRoles, inviteResults],
+	);
+
+	const reset = useCallback((): void => {
+		setRows(Array.from({ length: initialRowCount }, () => createEmptyRow()));
+		setEmailValidity({});
+		setHasInvalidEmails(false);
+		setHasInvalidRoles(false);
+		setInviteResults(null);
+	}, [initialRowCount]);
+
+	const submit = useCallback(async (): Promise<InviteResult[]> => {
+		if (!validateAllRows()) {
+			return [];
+		}
+
+		const touched = rows.filter(isRowTouched);
+		if (touched.length === 0) {
+			return [];
+		}
+
+		setIsSubmitting(true);
+		setInviteResults(null);
+
+		const results: InviteResult[] = [];
+
+		for (const row of touched) {
+			try {
+				await createUser({
+					email: row.email.trim(),
+					frontendBaseUrl: getBaseUrl(),
+					userRoles: [{ id: row.roleId }],
+				});
+				results.push({ email: row.email, success: true });
+			} catch (err) {
+				const apiErr = convertToApiError(err as AxiosError<RenderErrorResponseDTO>);
+				results.push({
+					email: row.email,
+					success: false,
+					error: apiErr?.getErrorMessage() ?? 'Unknown error',
+				});
+			}
+		}
+
+		setInviteResults(results);
+		setIsSubmitting(false);
+
+		const failures = results.filter((r) => !r.success);
+		const successes = results.filter((r) => r.success);
+
+		if (failures.length === 0) {
+			onSuccess?.();
+		} else if (successes.length > 0) {
+			onPartialSuccess?.(results);
+		} else {
+			onAllFailed?.(results);
+		}
+
+		return results;
+	}, [validateAllRows, rows, onSuccess, onPartialSuccess, onAllFailed]);
+
+	const canSubmit = useMemo(
+		() => !isSubmitting && touchedRows.length > 0,
+		[isSubmitting, touchedRows.length],
+	);
+
+	return {
+		rows,
+		emailValidity,
+		hasInvalidEmails,
+		hasInvalidRoles,
+		isSubmitting,
+		inviteResults,
+
+		addRow,
+		removeRow,
+		updateEmail,
+		updateRole,
+		reset,
+		submit,
+
+		touchedRows,
+		failedResults,
+		successResults,
+		canSubmit,
+	};
+}

frontend/src/components/LogDetail/index.tsx

@@ -32,7 +32,6 @@ import { useQueryBuilder } from 'hooks/queryBuilder/useQueryBuilder';
 import { useIsDarkMode } from 'hooks/useDarkMode';
 import { useNotifications } from 'hooks/useNotifications';
 import { useSafeNavigate } from 'hooks/useSafeNavigate';
-import { serializeToParams } from 'lib/compositeQuery/serializer';
 import createQueryParams from 'lib/createQueryParams';
 import { cloneDeep } from 'lodash-es';
 import {
@@ -253,7 +252,7 @@ function LogDetailInner({
 			[QueryParams.activeLogId]: `"${log?.id}"`,
 			[QueryParams.startTime]: minTime?.toString() || '',
 			[QueryParams.endTime]: maxTime?.toString() || '',
-			...serializeToParams(
+			[QueryParams.compositeQuery]: JSON.stringify(
 				updateAllQueriesOperators(
 					initialQueriesMap[DataSource.LOGS],
 					PANEL_TYPES.LIST,

frontend/src/constants/query.ts

@@ -18,6 +18,7 @@ export enum QueryParams {
 	q = 'q',
 	activeLogId = 'activeLogId',
 	timeRange = 'timeRange',
+	compositeQuery = 'compositeQuery',
 	panelTypes = 'panelTypes',
 	pageSize = 'pageSize',
 	viewMode = 'viewMode',

frontend/src/container/AIAssistant/__tests__/getAutoContexts.test.ts

@@ -1,7 +1,5 @@
 import { QueryParams } from 'constants/query';
 import ROUTES from 'constants/routes';
-import { serialize } from 'lib/compositeQuery/serializer';
-import { Query } from 'types/api/queryBuilder/queryBuilderData';
 
 import { getAutoContexts } from '../getAutoContexts';
 
@@ -53,8 +51,8 @@ describe('getAutoContexts', () => {
 	it('includes the query in alert edit context', () => {
 		const ruleId = 'rule-edit';
 		const query = { queryType: 'builder', builder: { queryData: [] } };
-		const serializedParams = serialize(query as unknown as Query);
-		const search = `?${QueryParams.ruleId}=${ruleId}&${serializedParams.toString()}`;
+		const compositeQuery = encodeURIComponent(JSON.stringify(query));
+		const search = `?${QueryParams.ruleId}=${ruleId}&${QueryParams.compositeQuery}=${compositeQuery}`;
 
 		const contexts = getAutoContexts(ROUTES.EDIT_ALERTS, search);
 
@@ -74,8 +72,8 @@ describe('getAutoContexts', () => {
 
 	it('includes the query in alert new context (no ruleId)', () => {
 		const query = { queryType: 'builder', builder: { queryData: [] } };
-		const serializedParams = serialize(query as unknown as Query);
-		const search = `?${serializedParams.toString()}`;
+		const compositeQuery = encodeURIComponent(JSON.stringify(query));
+		const search = `?${QueryParams.compositeQuery}=${compositeQuery}`;
 
 		const contexts = getAutoContexts(ROUTES.ALERTS_NEW, search);
 
@@ -191,24 +189,4 @@ describe('getAutoContexts', () => {
 			),
 		).toStrictEqual([]);
 	});
-
-	it('decodes the serialized composite query into metadata.query', () => {
-		const query = { builder: { queryData: [] } } as unknown as Query;
-		const search = `?${serialize(query).toString()}`;
-
-		const [context] = getAutoContexts(ROUTES.LOGS_EXPLORER, search);
-
-		expect(context.metadata?.query).toStrictEqual(query);
-	});
-
-	it('omits metadata.query when no serialized query is in the URL', () => {
-		// Detection no longer gates on the `compositeQuery` key — it routes
-		// through `deserialize`/the adapter list — so non-query params (time
-		// range, etc.) must not be mistaken for a query.
-		const search = `?${QueryParams.startTime}=1700000000000&${QueryParams.endTime}=1700003600000`;
-
-		const [context] = getAutoContexts(ROUTES.LOGS_EXPLORER, search);
-
-		expect(context.metadata).not.toHaveProperty('query');
-	});
 });

frontend/src/container/AIAssistant/components/ActionsSection/ActionsSection.tsx

@@ -24,7 +24,7 @@ import {
 	undoExecution,
 } from 'api/ai-assistant/chat';
 import ROUTES from 'constants/routes';
-import { serialize } from 'lib/compositeQuery/serializer';
+import { QueryParams } from 'constants/query';
 import { openInNewTab } from 'utils/navigation';
 import {
 	ArchiveRestore,
@@ -363,8 +363,8 @@ function applyFilter(action: MessageActionDTO, deps: ApplyFilterDeps): void {
 	}
 	// eslint-disable-next-line no-console
 	console.log('[apply_filter] off-page → history.push', base);
-	const params = serialize(normalized);
-	deps.history.push(`${base}?${params.toString()}`);
+	const encoded = encodeURIComponent(JSON.stringify(normalized));
+	deps.history.push(`${base}?${QueryParams.compositeQuery}=${encoded}`);
 }
 
 /** Picks the right rollback API call for a given action kind. */

frontend/src/container/AIAssistant/components/ActionsSection/utils/__tests__/openSavedView.test.ts

@@ -8,7 +8,6 @@ import { getViewById } from 'api/saveView/getViewById';
 import ROUTES from 'constants/routes';
 import { QueryParams } from 'constants/query';
 import { PANEL_TYPES } from 'constants/queryBuilder';
-import { deserialize } from 'lib/compositeQuery/serializer';
 import { ICompositeMetricQuery } from 'types/api/alerts/compositeQuery';
 import { AllViewsProps, ViewProps } from 'types/api/saveViews/types';
 import { DataSource } from 'types/common/queryBuilder';
@@ -219,9 +218,7 @@ describe('buildExplorerNavigationUrl', () => {
 		);
 
 		expect(url).toContain(ROUTES.LOGS_EXPLORER);
-
-		const params = new URLSearchParams(new URL(url, 'http://x').search);
-		expect(deserialize(params)).not.toBeNull();
+		expect(url).toContain(`${QueryParams.compositeQuery}=`);
 		expect(url).toContain(`${QueryParams.viewKey}=`);
 	});
 });

frontend/src/container/AIAssistant/components/ActionsSection/utils/openSavedView.ts

@@ -2,10 +2,6 @@ import { getAllViews } from 'api/saveView/getAllViews';
 import { getViewById } from 'api/saveView/getViewById';
 import { QueryParams } from 'constants/query';
 import { PANEL_TYPES } from 'constants/queryBuilder';
-import {
-	applySerializedParams,
-	serialize,
-} from 'lib/compositeQuery/serializer';
 import { mapQueryDataFromApi } from 'lib/newQueryBuilder/queryBuilderMappers/mapQueryDataFromApi';
 import { SOURCEPAGE_VS_ROUTES } from 'pages/SaveView/constants';
 import { ViewProps } from 'types/api/saveViews/types';
@@ -79,7 +75,10 @@ export function buildExplorerNavigationUrl(
 	searchParams: Record<string, unknown>,
 ): string {
 	const params = new URLSearchParams();
-	applySerializedParams(serialize(query), params);
+	params.set(
+		QueryParams.compositeQuery,
+		encodeURIComponent(JSON.stringify(query)),
+	);
 	Object.entries(searchParams).forEach(([key, value]) => {
 		params.set(key, JSON.stringify(value));
 	});

frontend/src/container/AIAssistant/getAutoContexts.ts

@@ -1,7 +1,6 @@
 import type { MessageContext } from 'api/ai-assistant/chat';
 import { QueryParams } from 'constants/query';
 import ROUTES from 'constants/routes';
-import { deserialize } from 'lib/compositeQuery/serializer';
 import { AlertListTabs } from 'pages/AlertList/types';
 import { matchPath } from 'react-router-dom';
 
@@ -344,9 +343,15 @@ function collectSharedMetadata(
 		out.timeRange = { start: startTime, end: endTime };
 	}
 
-	const decodedQuery = deserialize(params);
-	if (decodedQuery) {
-		out.query = decodedQuery;
+	// Query Builder state — URL-encoded JSON written by `QueryBuilderProvider`.
+	const compositeQueryRaw = params.get(QueryParams.compositeQuery);
+	if (compositeQueryRaw) {
+		try {
+			out.query = JSON.parse(decodeURIComponent(compositeQueryRaw));
+		} catch {
+			// Malformed JSON in the URL — drop silently rather than throw
+			// inside a context-collection helper.
+		}
 	}
 
 	// Saved view selectors (logs / traces explorer) and dashboard variables.

frontend/src/container/DashboardContainer/PanelTypeSelectionModal/index.tsx

@@ -2,8 +2,8 @@ import { memo } from 'react';
 import { Card, Modal } from 'antd';
 import { Typography } from '@signozhq/ui/typography';
 import logEvent from 'api/common/logEvent';
+import { QueryParams } from 'constants/query';
 import { PANEL_TYPES, PANEL_TYPES_INITIAL_QUERY } from 'constants/queryBuilder';
-import { serializeToParams } from 'lib/compositeQuery/serializer';
 import createQueryParams from 'lib/createQueryParams';
 import history from 'lib/history';
 import { usePanelTypeSelectionModalStore } from 'providers/Dashboard/helpers/panelTypeSelectionModalHelper';
@@ -28,7 +28,9 @@ function PanelTypeSelectionModal(): JSX.Element {
 		const queryParams = {
 			graphType: name,
 			widgetId: id,
-			...serializeToParams(PANEL_TYPES_INITIAL_QUERY[name]),
+			[QueryParams.compositeQuery]: JSON.stringify(
+				PANEL_TYPES_INITIAL_QUERY[name],
+			),
 		};
 
 		history.push(

frontend/src/container/ExplorerOptions/ExplorerOptions.tsx

@@ -62,8 +62,6 @@ import { useIsDarkMode } from 'hooks/useDarkMode';
 import useErrorNotification from 'hooks/useErrorNotification';
 import { useHandleExplorerTabChange } from 'hooks/useHandleExplorerTabChange';
 import { useNotifications } from 'hooks/useNotifications';
-import { serializeToParams } from 'lib/compositeQuery/serializer';
-import createQueryParams from 'lib/createQueryParams';
 import { mapCompositeQueryFromQuery } from 'lib/newQueryBuilder/queryBuilderMappers/mapCompositeQueryFromQuery';
 import { cloneDeep, isEqual, omit } from 'lodash-es';
 import { useAppContext } from 'providers/App/App';
@@ -176,7 +174,7 @@ function ExplorerOptions({
 
 	const handleConditionalQueryModification = useCallback(
 		// eslint-disable-next-line sonarjs/cognitive-complexity
-		(defaultQuery: Query | null): Record<string, string> => {
+		(defaultQuery: Query | null): string => {
 			const queryToUse = defaultQuery || query;
 			if (!queryToUse) {
 				throw new Error('No query provided');
@@ -186,7 +184,7 @@ function ExplorerOptions({
 					StringOperators.NOOP &&
 				sourcepage !== DataSource.LOGS
 			) {
-				return serializeToParams(queryToUse);
+				return JSON.stringify(queryToUse);
 			}
 
 			// Convert NOOP to COUNT for alerts and strip orderBy for logs
@@ -210,7 +208,14 @@ function ExplorerOptions({
 				);
 			}
 
-			return serializeToParams(modifiedQuery);
+			try {
+				return JSON.stringify(modifiedQuery);
+			} catch (err) {
+				throw new Error(
+					'Failed to stringify modified query: ' +
+						(err instanceof Error ? err.message : String(err)),
+				);
+			}
 		},
 		[panelType, query, sourcepage],
 	);
@@ -233,9 +238,13 @@ function ExplorerOptions({
 				});
 			}
 
-			const serializedParams = handleConditionalQueryModification(defaultQuery);
+			const stringifiedQuery = handleConditionalQueryModification(defaultQuery);
 
-			history.push(`${ROUTES.ALERTS_NEW}?${createQueryParams(serializedParams)}`);
+			history.push(
+				`${ROUTES.ALERTS_NEW}?${QueryParams.compositeQuery}=${encodeURIComponent(
+					stringifiedQuery,
+				)}`,
+			);
 		},
 		// eslint-disable-next-line react-hooks/exhaustive-deps
 		[handleConditionalQueryModification, history],

frontend/src/container/ExplorerOptions/__tests__/ExplorerOptionWrapper.test.tsx

@@ -2,7 +2,6 @@ import { useHistory } from 'react-router-dom';
 import { PANEL_TYPES } from 'constants/queryBuilder';
 import { MOCK_QUERY } from 'container/QueryTable/Drilldown/__tests__/mockTableData';
 import { useUpdateDashboard } from 'hooks/dashboard/useUpdateDashboard';
-import { serialize } from 'lib/compositeQuery/serializer';
 import { rest, server } from 'mocks-server/server';
 import { render, screen, userEvent, waitFor } from 'tests/test-utils';
 import { Dashboard } from 'types/api/dashboard/getAll';
@@ -363,9 +362,9 @@ describe('ExplorerOptionWrapper', () => {
 			await waitFor(() => {
 				expect(mockSafeNavigate).toHaveBeenCalledTimes(1);
 				expect(mockSafeNavigate).toHaveBeenCalledWith(
-					`/dashboard/test-dashboard-id/new?graphType=${panelTypeParam}&widgetId=${widgetId}&${serialize(
-						query,
-					).toString()}`,
+					`/dashboard/test-dashboard-id/new?graphType=${panelTypeParam}&widgetId=${widgetId}&compositeQuery=${encodeURIComponent(
+						JSON.stringify(query),
+					)}`,
 				);
 			});
 

frontend/src/container/FormAlertRules/index.tsx

@@ -34,7 +34,6 @@ import useGetYAxisUnit from 'hooks/useGetYAxisUnit';
 import { useNotifications } from 'hooks/useNotifications';
 import { useSafeNavigate } from 'hooks/useSafeNavigate';
 import useUrlQuery from 'hooks/useUrlQuery';
-import { clearSerializedParams } from 'lib/compositeQuery/serializer';
 import { mapQueryDataFromApi } from 'lib/newQueryBuilder/queryBuilderMappers/mapQueryDataFromApi';
 import { mapQueryDataToApi } from 'lib/newQueryBuilder/queryBuilderMappers/mapQueryDataToApi';
 import { isEmpty, isEqual } from 'lodash-es';
@@ -385,7 +384,7 @@ function FormAlertRules({
 
 	const onCancelHandler = useCallback(
 		(e?: React.MouseEvent) => {
-			clearSerializedParams(urlQuery);
+			urlQuery.delete(QueryParams.compositeQuery);
 			urlQuery.delete(QueryParams.panelTypes);
 			urlQuery.delete(QueryParams.ruleId);
 			urlQuery.delete(QueryParams.relativeTime);
@@ -611,7 +610,7 @@ function FormAlertRules({
 				`${ruleId}`,
 			]);
 
-			clearSerializedParams(urlQuery);
+			urlQuery.delete(QueryParams.compositeQuery);
 			urlQuery.delete(QueryParams.panelTypes);
 			urlQuery.delete(QueryParams.ruleId);
 			urlQuery.delete(QueryParams.relativeTime);

frontend/src/container/GridCardLayout/GridCard/WidgetGraphComponent.tsx

@@ -23,10 +23,6 @@ import { useUpdateDashboard } from 'hooks/dashboard/useUpdateDashboard';
 import { useNotifications } from 'hooks/useNotifications';
 import { useSafeNavigate } from 'hooks/useSafeNavigate';
 import useUrlQuery from 'hooks/useUrlQuery';
-import {
-	clearSerializedParams,
-	serializeToParams,
-} from 'lib/compositeQuery/serializer';
 import createQueryParams from 'lib/createQueryParams';
 import { RowData } from 'lib/query/createTableColumnsFromQuery';
 import {
@@ -216,7 +212,9 @@ function WidgetGraphComponent({
 						[QueryParams.graphType]: clonedWidget?.panelTypes,
 						[QueryParams.widgetId]: uuid,
 						...(clonedWidget?.query && {
-							...serializeToParams(clonedWidget.query),
+							[QueryParams.compositeQuery]: encodeURIComponent(
+								JSON.stringify(clonedWidget.query),
+							),
 						}),
 					};
 					safeNavigate(`${pathname}/new?${createQueryParams(queryParams)}`);
@@ -257,7 +255,7 @@ function WidgetGraphComponent({
 	const onToggleModelHandler = (): void => {
 		const existingSearchParams = new URLSearchParams(search);
 		existingSearchParams.delete(QueryParams.expandedWidgetId);
-		clearSerializedParams(existingSearchParams);
+		existingSearchParams.delete(QueryParams.compositeQuery);
 		existingSearchParams.delete(QueryParams.graphType);
 		const updatedQueryParams = Object.fromEntries(existingSearchParams.entries());
 		if (queryResponse.data?.payload) {

frontend/src/container/GridCardLayout/WidgetHeader/index.tsx

@@ -29,10 +29,6 @@ import useCreateAlerts from 'hooks/queryBuilder/useCreateAlerts';
 import useComponentPermission from 'hooks/useComponentPermission';
 import { useSafeNavigate } from 'hooks/useSafeNavigate';
 import useUrlQuery from 'hooks/useUrlQuery';
-import {
-	applySerializedParams,
-	serialize,
-} from 'lib/compositeQuery/serializer';
 import { RowData } from 'lib/query/createTableColumnsFromQuery';
 import { isEmpty } from 'lodash-es';
 import { unparse } from 'papaparse';
@@ -90,7 +86,10 @@ function WidgetHeader({
 		const widgetId = widget.id;
 		urlQuery.set(QueryParams.widgetId, widgetId);
 		urlQuery.set(QueryParams.graphType, widget.panelTypes);
-		applySerializedParams(serialize(widget.query), urlQuery);
+		urlQuery.set(
+			QueryParams.compositeQuery,
+			encodeURIComponent(JSON.stringify(widget.query)),
+		);
 		const generatedUrl = buildAbsolutePath({
 			relativePath: 'new',
 			urlQueryString: urlQuery.toString(),

frontend/src/container/Home/AlertRules/AlertRules.tsx

@@ -7,10 +7,6 @@ import { useListRules } from 'api/generated/services/rules';
 import type { RuletypesRuleDTO } from 'api/generated/services/sigNoz.schemas';
 import { QueryParams } from 'constants/query';
 import ROUTES from 'constants/routes';
-import {
-	applySerializedParams,
-	serialize,
-} from 'lib/compositeQuery/serializer';
 import history from 'lib/history';
 import { mapQueryDataFromApi } from 'lib/newQueryBuilder/queryBuilderMappers/mapQueryDataFromApi';
 import { ArrowRight, ArrowUpRight, Plus } from '@signozhq/icons';
@@ -138,7 +134,10 @@ export default function AlertRules({
 		const compositeQuery = mapQueryDataFromApi(
 			toCompositeMetricQuery(record.condition.compositeQuery),
 		);
-		applySerializedParams(serialize(compositeQuery), params);
+		params.set(
+			QueryParams.compositeQuery,
+			encodeURIComponent(JSON.stringify(compositeQuery)),
+		);
 
 		const panelType = record.condition.compositeQuery.panelType;
 		if (panelType) {

frontend/src/container/InfraMonitoringK8s/Base/K8sBaseDetails.tsx

@@ -28,10 +28,6 @@ import {
 	Time,
 } from 'container/TopNav/DateTimeSelectionV2/types';
 import { useIsDarkMode } from 'hooks/useDarkMode';
-import {
-	applySerializedParams,
-	serialize,
-} from 'lib/compositeQuery/serializer';
 import { GetQueryResultsProps } from 'lib/dashboard/getQueryResults';
 import GetMinMax from 'lib/getMinMax';
 import {
@@ -414,7 +410,7 @@ export default function K8sBaseDetails<T>({
 				},
 			};
 
-			applySerializedParams(serialize(compositeQuery as any), urlQuery);
+			urlQuery.set('compositeQuery', JSON.stringify(compositeQuery));
 
 			openInNewTab(`${ROUTES.LOGS_EXPLORER}?${urlQuery.toString()}`);
 		} else if (selectedView === VIEW_TYPES.TRACES) {
@@ -439,7 +435,7 @@ export default function K8sBaseDetails<T>({
 				},
 			};
 
-			applySerializedParams(serialize(compositeQuery as any), urlQuery);
+			urlQuery.set('compositeQuery', JSON.stringify(compositeQuery));
 
 			openInNewTab(`${ROUTES.TRACES_EXPLORER}?${urlQuery.toString()}`);
 		}

frontend/src/container/IngestionSettings/MultiIngestionSettings.tsx

@@ -53,7 +53,6 @@ import { convertToApiError } from 'api/ErrorResponseHandlerForGeneratedAPIs';
 import { useGetGlobalConfig } from 'api/generated/services/global';
 import useDebouncedFn from 'hooks/useDebouncedFunction';
 import { useNotifications } from 'hooks/useNotifications';
-import { serialize } from 'lib/compositeQuery/serializer';
 import { cloneDeep, isNil, isUndefined } from 'lodash-es';
 import {
 	ArrowUpRight,
@@ -78,7 +77,6 @@ import {
 	UpdateLimitProps,
 } from 'types/api/ingestionKeys/limits/types';
 import { PaginationProps } from 'types/api/ingestionKeys/types';
-import { Query } from 'types/api/queryBuilder/queryBuilderData';
 import { MeterAggregateOperator } from 'types/common/queryBuilder';
 import { USER_ROLES } from 'types/roles';
 import { getDaysUntilExpiry } from 'utils/timeUtils';
@@ -898,6 +896,8 @@ function MultiIngestionSettings(): JSX.Element {
 			},
 		};
 
+		const stringifiedQuery = JSON.stringify(query);
+
 		const thresholds = cloneDeep(INITIAL_ALERT_THRESHOLD_STATE.thresholds);
 		thresholds[0].thresholdValue = thresholdValue;
 		thresholds[0].unit = thresholdUnit;
@@ -907,12 +907,17 @@ function MultiIngestionSettings(): JSX.Element {
 			? `[ingestion][${signal.signal}] ${keyName} has exceeded daily ingestion limit`
 			: `[ingestion][${signal.signal}] ${signal.signal} has exceeded daily ingestion limit`;
 
-		const params = serialize(query as Query);
-		params.set(QueryParams.thresholds, JSON.stringify(thresholds));
-		params.set(QueryParams.ruleName, ruleName);
-		params.set(QueryParams.yAxisUnit, yAxisUnit);
+		const URL = `${ROUTES.ALERTS_NEW}?${
+			QueryParams.compositeQuery
+		}=${encodeURIComponent(stringifiedQuery)}&${
+			QueryParams.thresholds
+		}=${encodeURIComponent(JSON.stringify(thresholds))}&${
+			QueryParams.ruleName
+		}=${encodeURIComponent(ruleName)}&${
+			QueryParams.yAxisUnit
+		}=${encodeURIComponent(yAxisUnit)}`;
 
-		history.push(`${ROUTES.ALERTS_NEW}?${params.toString()}`);
+		history.push(URL);
 	};
 
 	const columns: AntDTableProps<GatewaytypesIngestionKeyDTO>['columns'] = [

frontend/src/container/IngestionSettings/__tests__/MultiIngestionSettings.test.tsx

@@ -1,6 +1,5 @@
 import { GatewaytypesGettableIngestionKeysDTO } from 'api/generated/services/sigNoz.schemas';
 import { QueryParams } from 'constants/query';
-import { deserialize } from 'lib/compositeQuery/serializer';
 import { rest, server } from 'mocks-server/server';
 import {
 	fireEvent,
@@ -133,19 +132,17 @@ describe('MultiIngestionSettings Page', () => {
 		expect(thresholds[0].thresholdValue).toBe(1000);
 		expect(thresholds[0].unit).toBe('{count}');
 
-		const compositeQuery = deserialize(urlParams);
-		expect(compositeQuery).not.toBeNull();
-		expect(compositeQuery?.unit).toBe('{count}');
-		expect(compositeQuery?.builder.queryData).toBeDefined();
+		const compositeQuery = JSON.parse(
+			urlParams.get(QueryParams.compositeQuery) || '{}',
+		);
+		expect(compositeQuery.unit).toBe('{count}');
+		expect(compositeQuery.builder.queryData).toBeDefined();
 
-		const firstQueryData = compositeQuery?.builder.queryData[0];
-		expect(firstQueryData?.filter?.expression).toContain(
+		const firstQueryData = compositeQuery.builder.queryData[0];
+		expect(firstQueryData.filter.expression).toContain(
 			"signoz.workspace.key.id='k1'",
 		);
-		const firstAggregation = firstQueryData?.aggregations?.[0] as {
-			metricName: string;
-		};
-		expect(firstAggregation.metricName).toBe(
+		expect(firstQueryData.aggregations[0].metricName).toBe(
 			'signoz.meter.metric.datapoint.count',
 		);
 
@@ -216,18 +213,18 @@ describe('MultiIngestionSettings Page', () => {
 		expect(thresholds[0].thresholdValue).toBe(400);
 		expect(thresholds[0].unit).toBe('GiBy');
 
-		const compositeQuery = deserialize(urlParams);
-		expect(compositeQuery).not.toBeNull();
-		expect(compositeQuery?.unit).toBe('bytes');
+		const compositeQuery = JSON.parse(
+			urlParams.get(QueryParams.compositeQuery) || '{}',
+		);
+		expect(compositeQuery.unit).toBe('bytes');
 
-		const firstQueryData = compositeQuery?.builder.queryData[0];
-		expect(firstQueryData?.filter?.expression).toContain(
+		const firstQueryData = compositeQuery.builder.queryData[0];
+		expect(firstQueryData.filter.expression).toContain(
 			"signoz.workspace.key.id='k2'",
 		);
-		const firstAggregation = firstQueryData?.aggregations?.[0] as {
-			metricName: string;
-		};
-		expect(firstAggregation.metricName).toBe('signoz.meter.log.size');
+		expect(firstQueryData.aggregations[0].metricName).toBe(
+			'signoz.meter.log.size',
+		);
 
 		expect(urlParams.get(QueryParams.yAxisUnit)).toBe('bytes');
 		expect(urlParams.get(QueryParams.ruleName)).toContain('logs');

frontend/src/container/ListAlertRules/useAlertRulesHandlers.ts

@@ -6,10 +6,6 @@ import { sanitizeDefaultAlertQuery } from 'container/EditAlertV2/utils';
 import { useSafeNavigate } from 'hooks/useSafeNavigate';
 import { useTableRowClick } from 'hooks/useTableRowClick';
 import useUrlQuery from 'hooks/useUrlQuery';
-import {
-	applySerializedParams,
-	serialize,
-} from 'lib/compositeQuery/serializer';
 import { mapQueryDataFromApi } from 'lib/newQueryBuilder/queryBuilderMappers/mapQueryDataFromApi';
 import { toCompositeMetricQuery } from 'types/api/alerts/convert';
 import { isModifierKeyPressed } from 'utils/app';
@@ -35,7 +31,10 @@ export function useAlertRulesHandlers(
 				mapQueryDataFromApi(toCompositeMetricQuery(rule.condition.compositeQuery)),
 				rule.alertType,
 			);
-			applySerializedParams(serialize(compositeQuery), params);
+			params.set(
+				QueryParams.compositeQuery,
+				encodeURIComponent(JSON.stringify(compositeQuery)),
+			);
 
 			const panelType = rule.condition.compositeQuery.panelType;
 			if (panelType) {

frontend/src/container/LogDetailedView/ContextView/ContextLogRenderer.tsx

@@ -14,10 +14,6 @@ import { FontSize } from 'container/OptionsMenu/types';
 import { ORDERBY_FILTERS } from 'container/QueryBuilder/filters/OrderByFilter/config';
 import { useQueryBuilder } from 'hooks/queryBuilder/useQueryBuilder';
 import useUrlQuery from 'hooks/useUrlQuery';
-import {
-	applySerializedParams,
-	serialize,
-} from 'lib/compositeQuery/serializer';
 import { ILog } from 'types/api/logs/log';
 import { Query, TagFilter } from 'types/api/queryBuilder/queryBuilderData';
 import { DataSource, StringOperators } from 'types/common/queryBuilder';
@@ -115,7 +111,10 @@ function ContextLogRenderer({
 		(logId: string): void => {
 			urlQuery.set(QueryParams.activeLogId, `"${logId}"`);
 
-			applySerializedParams(serialize(query), urlQuery);
+			urlQuery.set(
+				QueryParams.compositeQuery,
+				encodeURIComponent(JSON.stringify(query)),
+			);
 
 			const link = `${ROUTES.LOGS_EXPLORER}?${urlQuery.toString()}`;
 			window.open(withBasePath(link), '_blank', 'noopener,noreferrer');

frontend/src/container/MetricsApplication/Tabs/Overview.tsx

@@ -247,12 +247,16 @@ function Application(): JSX.Element {
 				const avialableParams = routeConfig[ROUTES.TRACE];
 				const queryString = getQueryString(avialableParams, urlParams);
 
+				const JSONCompositeQuery = encodeURIComponent(
+					JSON.stringify(apmToTraceQuery),
+				);
+
 				const newPath = generateExplorerPath(
 					isViewLogsClicked,
 					urlParams,
 					servicename,
 					selectedTraceTags,
-					apmToTraceQuery,
+					JSONCompositeQuery,
 					queryString,
 				);
 

frontend/src/container/MetricsApplication/Tabs/util.ts

@@ -8,10 +8,6 @@ import { useQueryBuilder } from 'hooks/queryBuilder/useQueryBuilder';
 import useClickOutside from 'hooks/useClickOutside';
 import useResourceAttribute from 'hooks/useResourceAttribute';
 import { resourceAttributesToTracesFilterItems } from 'hooks/useResourceAttribute/utils';
-import {
-	applySerializedParams,
-	serialize,
-} from 'lib/compositeQuery/serializer';
 import createQueryParams from 'lib/createQueryParams';
 import { prepareQueryWithDefaultTimestamp } from 'pages/LogsExplorer/utils';
 import { traceFilterKeys } from 'pages/TracesExplorer/Filter/filterUtils';
@@ -64,18 +60,16 @@ export function generateExplorerPath(
 	urlParams: URLSearchParams,
 	servicename: string | undefined,
 	selectedTraceTags: string,
-	apmToTraceQuery: Query,
+	JSONCompositeQuery: string,
 	queryString: string[],
 ): string {
 	const basePath = isViewLogsClicked
 		? ROUTES.LOGS_EXPLORER
 		: ROUTES.TRACES_EXPLORER;
 
-	applySerializedParams(serialize(apmToTraceQuery), urlParams);
-
-	return `${basePath}?${urlParams.toString()}&selected={"serviceName":["${servicename}"]}&filterToFetchData=["duration","status","serviceName"]&spanAggregateCurrentPage=1&selectedTags=${selectedTraceTags}&${queryString.join(
-		'&',
-	)}`;
+	return `${basePath}?${urlParams.toString()}&selected={"serviceName":["${servicename}"]}&filterToFetchData=["duration","status","serviceName"]&spanAggregateCurrentPage=1&selectedTags=${selectedTraceTags}&${
+		QueryParams.compositeQuery
+	}=${JSONCompositeQuery}&${queryString.join('&')}`;
 }
 
 // TODO(@rahul-signoz): update the name of this function once we have view logs button in every panel
@@ -111,12 +105,16 @@ export function onViewTracePopupClick({
 		const avialableParams = routeConfig[ROUTES.TRACE];
 		const queryString = getQueryString(avialableParams, urlParams);
 
+		const JSONCompositeQuery = encodeURIComponent(
+			JSON.stringify(apmToTraceQuery),
+		);
+
 		const newPath = generateExplorerPath(
 			isViewLogsClicked,
 			urlParams,
 			servicename,
 			selectedTraceTags,
-			apmToTraceQuery,
+			JSONCompositeQuery,
 			queryString,
 		);
 

frontend/src/container/MetricsApplication/utils.ts

@@ -1,6 +1,5 @@
 import { QueryParams } from 'constants/query';
 import ROUTES from 'constants/routes';
-import { serialize } from 'lib/compositeQuery/serializer';
 import { withBasePath } from 'utils/basePath';
 
 import { TopOperationList } from './TopOperationsTable';
@@ -30,11 +29,13 @@ export const navigateToTrace = ({
 	);
 	urlParams.set(QueryParams.endTime, Math.floor(maxTime / 1_000_000).toString());
 
+	const JSONCompositeQuery = encodeURIComponent(JSON.stringify(apmToTraceQuery));
+
 	const newTraceExplorerPath = `${
 		ROUTES.TRACES_EXPLORER
-	}?${urlParams.toString()}&selected={"serviceName":["${servicename}"],"operation":["${operation}"]}&filterToFetchData=["duration","status","serviceName","operation"]&spanAggregateCurrentPage=1&selectedTags=${selectedTraceTags}&${serialize(
-		apmToTraceQuery,
-	).toString()}`;
+	}?${urlParams.toString()}&selected={"serviceName":["${servicename}"],"operation":["${operation}"]}&filterToFetchData=["duration","status","serviceName","operation"]&spanAggregateCurrentPage=1&selectedTags=${selectedTraceTags}&${
+		QueryParams.compositeQuery
+	}=${JSONCompositeQuery}`;
 
 	if (openInNewTab) {
 		window.open(withBasePath(newTraceExplorerPath), '_blank');

frontend/src/container/NewWidget/index.tsx

@@ -33,7 +33,6 @@ import { useKeyboardHotkeys } from 'hooks/hotkeys/useKeyboardHotkeys';
 import { useQueryBuilder } from 'hooks/queryBuilder/useQueryBuilder';
 import { useSafeNavigate } from 'hooks/useSafeNavigate';
 import useUrlQuery from 'hooks/useUrlQuery';
-import { serializeToParams } from 'lib/compositeQuery/serializer';
 import createQueryParams from 'lib/createQueryParams';
 import { GetQueryResultsProps } from 'lib/dashboard/getQueryResults';
 import { getDashboardVariables } from 'lib/dashboardVariables/getDashboardVariables';
@@ -792,7 +791,9 @@ function NewWidget({
 		const queryParams = {
 			[QueryParams.expandedWidgetId]: widgetId,
 			[QueryParams.graphType]: graphType,
-			...serializeToParams(currentQuery),
+			[QueryParams.compositeQuery]: encodeURIComponent(
+				JSON.stringify(currentQuery),
+			),
 			[QueryParams.variables]: variables,
 		};
 

frontend/src/container/QueryTable/Drilldown/useBaseDrilldownNavigate.ts

@@ -2,7 +2,6 @@ import { useCallback } from 'react';
 import { QueryParams } from 'constants/query';
 import ROUTES from 'constants/routes';
 import { useSafeNavigate } from 'hooks/useSafeNavigate';
-import { serializeToParams } from 'lib/compositeQuery/serializer';
 import createQueryParams from 'lib/createQueryParams';
 import { Query } from 'types/api/queryBuilder/queryBuilderData';
 
@@ -50,7 +49,7 @@ const useBaseDrilldownNavigate = ({
 
 			const timeRange = aggregateData?.timeRange;
 			let queryParams: Record<string, string> = {
-				...serializeToParams(viewQuery),
+				[QueryParams.compositeQuery]: encodeURIComponent(JSON.stringify(viewQuery)),
 				...(timeRange && {
 					[QueryParams.startTime]: timeRange.startTime.toString(),
 					[QueryParams.endTime]: timeRange.endTime.toString(),
@@ -95,7 +94,7 @@ export function buildDrilldownUrl(
 
 	const timeRange = aggregateData?.timeRange;
 	let queryParams: Record<string, string> = {
-		...serializeToParams(viewQuery),
+		[QueryParams.compositeQuery]: encodeURIComponent(JSON.stringify(viewQuery)),
 		...(timeRange && {
 			[QueryParams.startTime]: timeRange.startTime.toString(),
 			[QueryParams.endTime]: timeRange.endTime.toString(),

frontend/src/container/RoutingPolicies/__tests__/testUtils.ts

@@ -143,7 +143,10 @@ export function mockQueryParams(
 		}
 	});
 
-	return realUrlQuery;
+	return Object.create(URLSearchParams.prototype, {
+		toString: { value: (): string => realUrlQuery.toString() },
+		get: { value: (key: string): string | null => realUrlQuery.get(key) },
+	});
 }
 
 export function convertRoutingPolicyToApiResponse(

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

@@ -35,11 +35,6 @@ import { GlobalReducer } from 'types/reducer/globalTime';
 import { addCustomTimeRange } from 'utils/customTimeRangeUtils';
 import { persistTimeDurationForRoute } from 'utils/metricsTimeStorageUtils';
 import { normalizeTimeToMs } from 'utils/timeUtils';
-import {
-	applySerializedParams,
-	deserialize,
-	serialize,
-} from 'lib/compositeQuery/serializer';
 import { v4 as uuid } from 'uuid';
 
 import AutoRefresh from '../AutoRefreshV2';
@@ -283,7 +278,7 @@ function DateTimeSelection({
 		return `Refreshed ${secondsDiff} sec ago`;
 	}, [maxTime, minTime, selectedTime]);
 
-	const getUpdatedCompositeQuery = useCallback((): URLSearchParams => {
+	const getUpdatedCompositeQuery = useCallback((): string => {
 		let updatedCompositeQuery = cloneDeep(currentQuery);
 		updatedCompositeQuery.id = uuid();
 		// Remove the filters
@@ -304,7 +299,7 @@ function DateTimeSelection({
 				})),
 			},
 		};
-		return serialize(updatedCompositeQuery);
+		return encodeURIComponent(JSON.stringify(updatedCompositeQuery));
 	}, [currentQuery]);
 
 	const onSelectHandler = useCallback(
@@ -339,9 +334,9 @@ function DateTimeSelection({
 			// Remove Hidden Filters from URL query parameters on time change
 			urlQuery.delete(QueryParams.activeLogId);
 
-			const staledQuery = deserialize(urlQuery);
-			if (staledQuery) {
-				applySerializedParams(getUpdatedCompositeQuery(), urlQuery);
+			if (urlQuery.has(QueryParams.compositeQuery)) {
+				const updatedCompositeQuery = getUpdatedCompositeQuery();
+				urlQuery.set(QueryParams.compositeQuery, updatedCompositeQuery);
 			}
 
 			const generatedUrl = `${location.pathname}?${urlQuery.toString()}`;
@@ -429,9 +424,9 @@ function DateTimeSelection({
 				urlQuery.set(QueryParams.endTime, endTime?.toDate().getTime().toString());
 				urlQuery.delete(QueryParams.relativeTime);
 
-				const staledQuery = deserialize(urlQuery);
-				if (staledQuery) {
-					applySerializedParams(getUpdatedCompositeQuery(), urlQuery);
+				if (urlQuery.has(QueryParams.compositeQuery)) {
+					const updatedCompositeQuery = getUpdatedCompositeQuery();
+					urlQuery.set(QueryParams.compositeQuery, updatedCompositeQuery);
 				}
 
 				const generatedUrl = `${location.pathname}?${urlQuery.toString()}`;

frontend/src/hooks/__tests__/useSafeNavigate.utils.test.ts

@@ -1,170 +0,0 @@
-import { initialQueriesMap } from 'constants/queryBuilder';
-import {
-	areUrlsEffectivelySame,
-	isDefaultNavigation,
-} from 'hooks/useSafeNavigate.utils';
-import { serialize } from 'lib/compositeQuery/serializer';
-import { Query } from 'types/api/queryBuilder/queryBuilderData';
-
-const BASE = 'http://localhost';
-
-const urlFrom = (pathname: string, params?: URLSearchParams): URL => {
-	const search = params?.toString();
-	const query = search ? `?${search}` : '';
-	return new URL(`${pathname}${query}`, BASE);
-};
-
-/** Build params containing the serialized `compositeQuery` plus any extras. */
-const withQuery = (
-	query: Query,
-	extra: Record<string, string> = {},
-): URLSearchParams => {
-	const params = serialize(query);
-	Object.entries(extra).forEach(([key, value]) => params.set(key, value));
-	return params;
-};
-
-describe('areUrlsEffectivelySame', () => {
-	it('returns false when pathnames differ', () => {
-		expect(areUrlsEffectivelySame(urlFrom('/logs'), urlFrom('/traces'))).toBe(
-			false,
-		);
-	});
-
-	it('returns true for two identical param-less URLs', () => {
-		expect(areUrlsEffectivelySame(urlFrom('/logs'), urlFrom('/logs'))).toBe(true);
-	});
-
-	it('returns true when only the compositeQuery is present and identical', () => {
-		const params = withQuery(initialQueriesMap.logs);
-		expect(
-			areUrlsEffectivelySame(
-				urlFrom('/logs', params),
-				urlFrom('/logs', new URLSearchParams(params.toString())),
-			),
-		).toBe(true);
-	});
-
-	// Regression: a matching compositeQuery must NOT mask differences in other
-	// params. Previously every param was compared via the decoded query, so any
-	// two URLs sharing a compositeQuery were judged identical.
-	it('returns false when compositeQuery matches but another param differs', () => {
-		const url1 = urlFrom(
-			'/logs',
-			withQuery(initialQueriesMap.logs, { startTime: '1000' }),
-		);
-		const url2 = urlFrom(
-			'/logs',
-			withQuery(initialQueriesMap.logs, { startTime: '2000' }),
-		);
-		expect(areUrlsEffectivelySame(url1, url2)).toBe(false);
-	});
-
-	it('returns false when compositeQuery matches but a param exists on only one URL', () => {
-		const url1 = urlFrom(
-			'/logs',
-			withQuery(initialQueriesMap.logs, { startTime: '1000' }),
-		);
-		const url2 = urlFrom('/logs', withQuery(initialQueriesMap.logs));
-		expect(areUrlsEffectivelySame(url1, url2)).toBe(false);
-	});
-
-	it('ignores the volatile id when comparing compositeQuery', () => {
-		const url1 = urlFrom(
-			'/logs',
-			withQuery({ ...initialQueriesMap.logs, id: 'id-1' }),
-		);
-		const url2 = urlFrom(
-			'/logs',
-			withQuery({ ...initialQueriesMap.logs, id: 'id-2' }),
-		);
-		expect(areUrlsEffectivelySame(url1, url2)).toBe(true);
-	});
-
-	it('returns false when compositeQuery is semantically different', () => {
-		const url1 = urlFrom('/logs', withQuery(initialQueriesMap.logs));
-		const url2 = urlFrom('/metrics', withQuery(initialQueriesMap.metrics));
-		// Force same pathname so only the query differs.
-		expect(
-			areUrlsEffectivelySame(
-				url1,
-				urlFrom('/logs', new URLSearchParams(url2.search)),
-			),
-		).toBe(false);
-	});
-
-	it('returns false when compositeQuery exists on only one URL', () => {
-		const url1 = urlFrom('/logs', withQuery(initialQueriesMap.logs));
-		const url2 = urlFrom('/logs');
-		expect(areUrlsEffectivelySame(url1, url2)).toBe(false);
-	});
-
-	it('compares non-compositeQuery params directly when no compositeQuery is present', () => {
-		const same1 = urlFrom(
-			'/logs',
-			new URLSearchParams({ startTime: '1', endTime: '2' }),
-		);
-		const same2 = urlFrom(
-			'/logs',
-			new URLSearchParams({ startTime: '1', endTime: '2' }),
-		);
-		expect(areUrlsEffectivelySame(same1, same2)).toBe(true);
-
-		const diff = urlFrom(
-			'/logs',
-			new URLSearchParams({ startTime: '1', endTime: '3' }),
-		);
-		expect(areUrlsEffectivelySame(same1, diff)).toBe(false);
-	});
-
-	it('falls back to raw comparison when compositeQuery cannot be decoded', () => {
-		const corrupt1 = urlFrom(
-			'/logs',
-			new URLSearchParams({ compositeQuery: '%7Bnot-json' }),
-		);
-		const corrupt2 = urlFrom(
-			'/logs',
-			new URLSearchParams({ compositeQuery: '%7Bnot-json' }),
-		);
-		expect(areUrlsEffectivelySame(corrupt1, corrupt2)).toBe(true);
-
-		const corrupt3 = urlFrom(
-			'/logs',
-			new URLSearchParams({ compositeQuery: '%7Bother' }),
-		);
-		expect(areUrlsEffectivelySame(corrupt1, corrupt3)).toBe(false);
-	});
-});
-
-describe('isDefaultNavigation', () => {
-	it('returns false for different pathnames', () => {
-		expect(isDefaultNavigation(urlFrom('/logs'), urlFrom('/traces'))).toBe(false);
-	});
-
-	it('returns true when a clean URL gains params', () => {
-		expect(
-			isDefaultNavigation(
-				urlFrom('/logs'),
-				urlFrom('/logs', new URLSearchParams({ startTime: '1' })),
-			),
-		).toBe(true);
-	});
-
-	it('returns true when the target introduces a new param key', () => {
-		expect(
-			isDefaultNavigation(
-				urlFrom('/logs', new URLSearchParams({ startTime: '1' })),
-				urlFrom('/logs', new URLSearchParams({ startTime: '1', endTime: '2' })),
-			),
-		).toBe(true);
-	});
-
-	it('returns false when the target has no new param keys', () => {
-		expect(
-			isDefaultNavigation(
-				urlFrom('/logs', new URLSearchParams({ startTime: '1' })),
-				urlFrom('/logs', new URLSearchParams({ startTime: '9' })),
-			),
-		).toBe(false);
-	});
-});

frontend/src/hooks/logs/useActiveLog.ts

@@ -5,6 +5,7 @@ import { useDispatch, useSelector } from 'react-redux';
 import { useHistory, useLocation } from 'react-router-dom';
 import { getAggregateKeys } from 'api/queryBuilder/getAttributeKeys';
 import { SOMETHING_WENT_WRONG } from 'constants/api';
+import { QueryParams } from 'constants/query';
 import { OPERATORS, QueryBuilderKeys } from 'constants/queryBuilder';
 import ROUTES from 'constants/routes';
 import { MetricsType } from 'container/MetricsApplication/constant';
@@ -12,7 +13,6 @@ import { getOperatorValue } from 'container/QueryBuilder/filters/QueryBuilderSea
 import { useQueryBuilder } from 'hooks/queryBuilder/useQueryBuilder';
 import { useNotifications } from 'hooks/useNotifications';
 import useUrlQuery from 'hooks/useUrlQuery';
-import { deserialize } from 'lib/compositeQuery/serializer';
 import { getGeneratedFilterQueryString } from 'lib/getGeneratedFilterQueryString';
 import { chooseAutocompleteFromCustomValue } from 'lib/newQueryBuilder/chooseAutocompleteFromCustomValue';
 import { AppState } from 'store/reducers';
@@ -58,14 +58,9 @@ export const useActiveLog = (): UseActiveLog => {
 
 	const [activeLog, setActiveLog] = useState<ILog | null>(null);
 
-	// Close drawer/clear active log when query in URL changes. Track the decoded
-	// query (not a single raw param) so it stays correct across serializer tiers
-	// that explode the query into many keys.
+	// Close drawer/clear active log when query in URL changes
 	const urlQuery = useUrlQuery();
-	const compositeQuery = useMemo(() => {
-		const decoded = deserialize(urlQuery);
-		return decoded ? JSON.stringify(decoded) : '';
-	}, [urlQuery]);
+	const compositeQuery = urlQuery.get(QueryParams.compositeQuery) ?? '';
 	const prevQueryRef = useRef<string | null>(null);
 	useEffect(() => {
 		if (

frontend/src/hooks/queryBuilder/__tests__/useCreateAlerts.test.tsx

@@ -2,17 +2,15 @@ import { useMutation } from 'react-query';
 // eslint-disable-next-line no-restricted-imports
 import { useSelector } from 'react-redux';
 import { act, renderHook } from '@testing-library/react';
-import { deserialize } from 'lib/compositeQuery/serializer';
+import { QueryParams } from 'constants/query';
 import { mapQueryDataFromApi } from 'lib/newQueryBuilder/queryBuilderMappers/mapQueryDataFromApi';
 import { Widgets } from 'types/api/dashboard/getAll';
-import { Query } from 'types/api/queryBuilder/queryBuilderData';
 import { EQueryType } from 'types/common/dashboard';
 
 import useCreateAlerts from '../useCreateAlerts';
 
 jest.mock('react-query', () => ({
 	useMutation: jest.fn(),
-	QueryClient: jest.fn().mockImplementation(() => ({})),
 }));
 
 jest.mock('react-redux', () => ({
@@ -81,14 +79,14 @@ const buildWidget = (queryType: EQueryType | undefined): Widgets =>
 		},
 	}) as unknown as Widgets;
 
-const getCompositeQueryFromLastOpen = (): Query => {
+const getCompositeQueryFromLastOpen = (): Record<string, unknown> => {
 	const [url] = (window.open as jest.Mock).mock.calls[0];
 	const query = new URLSearchParams((url as string).split('?')[1]);
-	const composite = deserialize(query);
-	if (!composite) {
+	const raw = query.get(QueryParams.compositeQuery);
+	if (!raw) {
 		throw new Error('compositeQuery not found in URL');
 	}
-	return composite;
+	return JSON.parse(decodeURIComponent(raw));
 };
 
 describe('useCreateAlerts', () => {

frontend/src/hooks/queryBuilder/__tests__/useGetCompositeQueryParam.test.ts

@@ -1,26 +0,0 @@
-import { renderHook } from '@testing-library/react';
-import { initialQueriesMap } from 'constants/queryBuilder';
-import { useGetCompositeQueryParam } from 'hooks/queryBuilder/useGetCompositeQueryParam';
-
-let mockUrlQuery = new URLSearchParams();
-
-jest.mock('hooks/useUrlQuery', () => ({
-	__esModule: true,
-	default: (): URLSearchParams => mockUrlQuery,
-}));
-
-describe('useGetCompositeQueryParam', () => {
-	it('decodes a legacy compositeQuery param', () => {
-		mockUrlQuery = new URLSearchParams({
-			compositeQuery: encodeURIComponent(JSON.stringify(initialQueriesMap.logs)),
-		});
-		const { result } = renderHook(() => useGetCompositeQueryParam());
-		expect(result.current?.builder.queryData[0].dataSource).toBe('logs');
-	});
-
-	it('returns null when the param is absent', () => {
-		mockUrlQuery = new URLSearchParams();
-		const { result } = renderHook(() => useGetCompositeQueryParam());
-		expect(result.current).toBeNull();
-	});
-});

frontend/src/hooks/queryBuilder/useCreateAlerts.tsx

@@ -14,10 +14,6 @@ import { MenuItemKeys } from 'container/GridCardLayout/WidgetHeader/contants';
 import { useDashboardVariables } from 'hooks/dashboard/useDashboardVariables';
 import { useDashboardVariablesByType } from 'hooks/dashboard/useDashboardVariablesByType';
 import { useNotifications } from 'hooks/useNotifications';
-import {
-	applySerializedParams,
-	serialize,
-} from 'lib/compositeQuery/serializer';
 import { getDashboardVariables } from 'lib/dashboardVariables/getDashboardVariables';
 import { mapQueryDataFromApi } from 'lib/newQueryBuilder/queryBuilderMappers/mapQueryDataFromApi';
 import { isEmpty } from 'lodash-es';
@@ -90,7 +86,10 @@ const useCreateAlerts = (widget?: Widgets, caller?: string): VoidFunction => {
 				}
 
 				const params = new URLSearchParams();
-				applySerializedParams(serialize(updatedQuery), params);
+				params.set(
+					QueryParams.compositeQuery,
+					encodeURIComponent(JSON.stringify(updatedQuery)),
+				);
 				params.set(QueryParams.panelTypes, widget.panelTypes);
 				params.set(QueryParams.version, ENTITY_VERSION_V5);
 				params.set(QueryParams.source, YAxisSource.DASHBOARDS);

frontend/src/hooks/queryBuilder/useGetCompositeQueryParam.ts

@@ -1,10 +1,72 @@
-import useUrlQuery from 'hooks/useUrlQuery';
-import { deserialize } from 'lib/compositeQuery/serializer';
 import { useMemo } from 'react';
+import {
+	convertAggregationToExpression,
+	convertFiltersToExpressionWithExistingQuery,
+	convertHavingToExpression,
+} from 'components/QueryBuilderV2/utils';
+import { QueryParams } from 'constants/query';
+import useUrlQuery from 'hooks/useUrlQuery';
+import { BaseAutocompleteData } from 'types/api/queryBuilder/queryAutocompleteResponse';
 import { Query } from 'types/api/queryBuilder/queryBuilderData';
 
 export const useGetCompositeQueryParam = (): Query | null => {
 	const urlQuery = useUrlQuery();
 
-	return useMemo(() => deserialize(urlQuery), [urlQuery]);
+	return useMemo(() => {
+		const compositeQuery = urlQuery.get(QueryParams.compositeQuery);
+		let parsedCompositeQuery: Query | null = null;
+
+		try {
+			if (!compositeQuery) {
+				return null;
+			}
+
+			// MDN reference - https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/decodeURIComponent#decoding_query_parameters_from_a_url
+			// MDN reference to support + characters using encoding - https://developer.mozilla.org/en-US/docs/Web/API/URLSearchParams#preserving_plus_signs add later
+			parsedCompositeQuery = JSON.parse(
+				decodeURIComponent(compositeQuery.replace(/\+/g, ' ')),
+			);
+
+			// Convert old format to new format for each query in builder.queryData
+			if (parsedCompositeQuery?.builder?.queryData) {
+				parsedCompositeQuery.builder.queryData =
+					parsedCompositeQuery.builder.queryData.map((query) => {
+						const existingExpression = query.filter?.expression || '';
+						const convertedQuery = { ...query };
+
+						const convertedFilter = convertFiltersToExpressionWithExistingQuery(
+							query.filters || { items: [], op: 'AND' },
+							existingExpression,
+						);
+						convertedQuery.filter = convertedFilter.filter;
+						convertedQuery.filters = convertedFilter.filters;
+
+						// Convert having if needed
+						if (Array.isArray(query.having)) {
+							const convertedHaving = convertHavingToExpression(query.having);
+							convertedQuery.having = convertedHaving;
+						}
+
+						// Convert aggregation if needed
+						if (!query.aggregations && query.aggregateOperator) {
+							const convertedAggregation = convertAggregationToExpression({
+								aggregateOperator: query.aggregateOperator,
+								aggregateAttribute: query.aggregateAttribute as BaseAutocompleteData,
+								dataSource: query.dataSource,
+								timeAggregation: query.timeAggregation,
+								spaceAggregation: query.spaceAggregation,
+								reduceTo: query.reduceTo,
+								temporality: query.temporality,
+							}) as any; // Type assertion to handle union type
+							convertedQuery.aggregations = convertedAggregation;
+						}
+						return convertedQuery;
+					});
+			}
+		} catch (e) {
+			parsedCompositeQuery = null;
+		}
+
+		return parsedCompositeQuery;
+	}, [urlQuery]);
 };

frontend/src/hooks/useSafeNavigate.ts

@@ -1,9 +1,6 @@
-import {
-	areUrlsEffectivelySame,
-	isDefaultNavigation,
-} from 'hooks/useSafeNavigate.utils';
 import { useCallback } from 'react';
 import { useLocation, useNavigate } from 'react-router-dom-v5-compat';
+import { cloneDeep, isEqual } from 'lodash-es';
 import { withBasePath } from 'utils/basePath';
 
 interface NavigateOptions {
@@ -21,6 +18,77 @@ interface UseSafeNavigateProps {
 	preventSameUrlNavigation?: boolean;
 }
 
+const areUrlsEffectivelySame = (url1: URL, url2: URL): boolean => {
+	if (url1.pathname !== url2.pathname) {
+		return false;
+	}
+
+	const params1 = new URLSearchParams(url1.search);
+	const params2 = new URLSearchParams(url2.search);
+
+	const allParams = new Set([...params1.keys(), ...params2.keys()]);
+
+	return [...allParams].every((param) => {
+		if (param === 'compositeQuery') {
+			try {
+				const query1 = params1.get('compositeQuery');
+				const query2 = params2.get('compositeQuery');
+
+				if (!query1 || !query2) {
+					return false;
+				}
+
+				const decoded1 = JSON.parse(decodeURIComponent(query1));
+				const decoded2 = JSON.parse(decodeURIComponent(query2));
+
+				const filtered1 = cloneDeep(decoded1);
+				const filtered2 = cloneDeep(decoded2);
+
+				delete filtered1.id;
+				delete filtered2.id;
+
+				return isEqual(filtered1, filtered2);
+			} catch (error) {
+				console.warn('Error comparing compositeQuery:', error);
+				return false;
+			}
+		}
+
+		return params1.get(param) === params2.get(param);
+	});
+};
+
+/**
+ * Determines if this navigation is adding default/initial parameters
+ * Returns true if:
+ * 1. We're staying on the same page (same pathname)
+ * 2. Either:
+ *    - Current URL has no params and target URL has params, or
+ *    - Target URL has new params that didn't exist in current URL
+ */
+const isDefaultNavigation = (currentUrl: URL, targetUrl: URL): boolean => {
+	// Different pathnames means it's not a default navigation
+	if (currentUrl.pathname !== targetUrl.pathname) {
+		return false;
+	}
+
+	const currentParams = new URLSearchParams(currentUrl.search);
+	const targetParams = new URLSearchParams(targetUrl.search);
+
+	// Case 1: Clean URL getting params for the first time
+	if (!currentParams.toString() && targetParams.toString()) {
+		return true;
+	}
+
+	// Case 2: Check for new params that didn't exist before
+	const currentKeys = new Set(currentParams.keys());
+	const targetKeys = new Set(targetParams.keys());
+
+	// Find keys that exist in target but not in current
+	const newKeys = [...targetKeys].filter((key) => !currentKeys.has(key));
+
+	return newKeys.length > 0;
+};
 export const useSafeNavigate = (
 	{ preventSameUrlNavigation }: UseSafeNavigateProps = {
 		preventSameUrlNavigation: true,

frontend/src/hooks/useSafeNavigate.utils.ts

@@ -1,103 +0,0 @@
-import { deserialize } from 'lib/compositeQuery/serializer';
-import { COMPOSITE_QUERY_KEY } from 'lib/compositeQuery/types';
-import { isEqual } from 'lodash-es';
-
-/**
- * Compare the (optional) `compositeQuery` param of two URLSearchParams
- * semantically. Its serialized form is not byte-stable — the volatile `id` and
- * the adapter choice both vary — so we decode and deep-compare, ignoring `id`.
- *
- * compositeQuery is not guaranteed to be present: absent on both sides counts
- * as equal, present on only one side counts as different. When either side is
- * present but can't be decoded, we fall back to comparing the raw values.
- */
-const compositeQueriesEqual = (
-	params1: URLSearchParams,
-	params2: URLSearchParams,
-): boolean => {
-	const raw1 = params1.get(COMPOSITE_QUERY_KEY);
-	const raw2 = params2.get(COMPOSITE_QUERY_KEY);
-
-	if (!raw1 && !raw2) {
-		return true;
-	}
-	if (!raw1 || !raw2) {
-		return false;
-	}
-
-	try {
-		const decoded1 = deserialize(params1);
-		const decoded2 = deserialize(params2);
-
-		if (decoded1 && decoded2) {
-			// Ignore the volatile `id` when comparing queries.
-			const { id: _id1, ...rest1 } = decoded1;
-			const { id: _id2, ...rest2 } = decoded2;
-
-			return isEqual(rest1, rest2);
-		}
-	} catch (error) {
-		console.warn('Error comparing compositeQuery:', error);
-	}
-
-	// One or both could not be decoded — compare the raw encoded values.
-	return raw1 === raw2;
-};
-
-export const areUrlsEffectivelySame = (url1: URL, url2: URL): boolean => {
-	if (url1.pathname !== url2.pathname) {
-		return false;
-	}
-
-	const params1 = new URLSearchParams(url1.search);
-	const params2 = new URLSearchParams(url2.search);
-
-	// The compositeQuery is compared semantically (it round-trips through a
-	// non-stable serialized form); every other param is compared by raw value.
-	if (!compositeQueriesEqual(params1, params2)) {
-		return false;
-	}
-
-	const otherKeys = new Set(
-		[...params1.keys(), ...params2.keys()].filter(
-			(key) => key !== COMPOSITE_QUERY_KEY,
-		),
-	);
-
-	return [...otherKeys].every((key) => params1.get(key) === params2.get(key));
-};
-
-/**
- * Determines if this navigation is adding default/initial parameters
- * Returns true if:
- * 1. We're staying on the same page (same pathname)
- * 2. Either:
- *    - Current URL has no params and target URL has params, or
- *    - Target URL has new params that didn't exist in current URL
- */
-export const isDefaultNavigation = (
-	currentUrl: URL,
-	targetUrl: URL,
-): boolean => {
-	// Different pathnames means it's not a default navigation
-	if (currentUrl.pathname !== targetUrl.pathname) {
-		return false;
-	}
-
-	const currentParams = new URLSearchParams(currentUrl.search);
-	const targetParams = new URLSearchParams(targetUrl.search);
-
-	// Case 1: Clean URL getting params for the first time
-	if (!currentParams.toString() && targetParams.toString()) {
-		return true;
-	}
-
-	// Case 2: Check for new params that didn't exist before
-	const currentKeys = new Set(currentParams.keys());
-	const targetKeys = new Set(targetParams.keys());
-
-	// Find keys that exist in target but not in current
-	const newKeys = [...targetKeys].filter((key) => !currentKeys.has(key));
-
-	return newKeys.length > 0;
-};

frontend/src/lib/compositeQuery/__tests__/serializer.test.ts

@@ -1,51 +0,0 @@
-import { initialQueriesMap } from 'constants/queryBuilder';
-import { COMPOSITE_QUERY_KEY } from 'lib/compositeQuery/types';
-import {
-	clearSerializedParams,
-	deserialize,
-	serialize,
-} from 'lib/compositeQuery/serializer';
-
-describe('composite query serializer', () => {
-	it('round-trips through serialize/deserialize', () => {
-		const query = initialQueriesMap.logs;
-		const decoded = deserialize(serialize(query));
-		expect(decoded?.builder.queryData[0].dataSource).toBe('logs');
-	});
-
-	it('returns null on corrupt input instead of throwing', () => {
-		const params = new URLSearchParams();
-		params.set(COMPOSITE_QUERY_KEY, '%7Bnot-json');
-		expect(deserialize(params)).toBeNull();
-	});
-
-	it('returns null for empty/missing value', () => {
-		const params = new URLSearchParams();
-		expect(deserialize(params)).toBeNull();
-	});
-
-	it('preserves id field through roundtrip', () => {
-		const query = { ...initialQueriesMap.metrics, id: 'test-query-uuid-123' };
-		const serialized = serialize(query);
-		const decoded = deserialize(serialized);
-		expect(decoded?.id).toBe('test-query-uuid-123');
-	});
-
-	it('clearSerializedParams purges every serialized key, leaving others intact', () => {
-		const params = serialize(initialQueriesMap.logs);
-		params.set('panelTypes', 'list');
-		clearSerializedParams(params);
-		expect(params.has(COMPOSITE_QUERY_KEY)).toBe(false);
-		expect(deserialize(params)).toBeNull();
-		expect(params.get('panelTypes')).toBe('list');
-	});
-
-	it('clearSerializedParams drops a corrupt legacy key via fallback', () => {
-		const params = new URLSearchParams();
-		params.set(COMPOSITE_QUERY_KEY, '%7Bnot-json');
-		params.set('panelTypes', 'list');
-		clearSerializedParams(params);
-		expect(params.has(COMPOSITE_QUERY_KEY)).toBe(false);
-		expect(params.get('panelTypes')).toBe('list');
-	});
-});

frontend/src/lib/compositeQuery/adapters/json/index.ts

@@ -1,75 +0,0 @@
-import {
-	convertAggregationToExpression,
-	convertFiltersToExpressionWithExistingQuery,
-	convertHavingToExpression,
-} from 'components/QueryBuilderV2/utils';
-import type { CompositeQueryAdapter } from 'lib/compositeQuery/types';
-import type { BaseAutocompleteData } from 'types/api/queryBuilder/queryAutocompleteResponse';
-import type { Query } from 'types/api/queryBuilder/queryBuilderData';
-
-function migrateLegacyFormat(parsed: Query): Query {
-	if (!parsed?.builder?.queryData) {
-		return parsed;
-	}
-	const next = parsed;
-	next.builder.queryData = parsed.builder.queryData.map((query) => {
-		const existingExpression = query.filter?.expression || '';
-		const convertedQuery = { ...query };
-
-		const convertedFilter = convertFiltersToExpressionWithExistingQuery(
-			query.filters || { items: [], op: 'AND' },
-			existingExpression,
-		);
-		convertedQuery.filter = convertedFilter.filter;
-		convertedQuery.filters = convertedFilter.filters;
-
-		if (Array.isArray(query.having)) {
-			convertedQuery.having = convertHavingToExpression(query.having);
-		}
-
-		if (!query.aggregations && query.aggregateOperator) {
-			convertedQuery.aggregations = convertAggregationToExpression({
-				aggregateOperator: query.aggregateOperator,
-				aggregateAttribute: query.aggregateAttribute as BaseAutocompleteData,
-				dataSource: query.dataSource,
-				timeAggregation: query.timeAggregation,
-				spaceAggregation: query.spaceAggregation,
-				reduceTo: query.reduceTo,
-				temporality: query.temporality,
-				// eslint-disable-next-line @typescript-eslint/no-explicit-any
-			}) as any;
-		}
-		return convertedQuery;
-	});
-	return next;
-}
-
-export const COMPOSITE_QUERY_KEY = 'compositeQuery';
-
-export const jsonAdapter: CompositeQueryAdapter = {
-	name: 'json(legacy)',
-	encode: (query) => {
-		const params = new URLSearchParams();
-		params.set(COMPOSITE_QUERY_KEY, JSON.stringify(query));
-		return params;
-	},
-	matches: () => true,
-	decode: (params) => {
-		const raw = params.get(COMPOSITE_QUERY_KEY);
-		if (!raw) {
-			return null;
-		}
-
-		try {
-			let parsed: Query;
-			try {
-				parsed = JSON.parse(raw);
-			} catch {
-				parsed = JSON.parse(decodeURIComponent(raw.replace(/\+/g, ' ')));
-			}
-			return migrateLegacyFormat(parsed);
-		} catch {
-			return null;
-		}
-	},
-};

frontend/src/lib/compositeQuery/adapters/json/json.test.ts

@@ -1,216 +0,0 @@
-import { initialQueriesMap } from 'constants/queryBuilder';
-import { COMPOSITE_QUERY_KEY } from 'lib/compositeQuery/types';
-import { Query } from 'types/api/queryBuilder/queryBuilderData';
-
-import { jsonAdapter } from './index';
-
-const roundTrip = (query: Query): Query => {
-	const decoded = jsonAdapter.decode(jsonAdapter.encode(query));
-	if (!decoded) {
-		throw new Error('roundTrip: decode returned null');
-	}
-	return decoded;
-};
-
-describe('jsonAdapter', () => {
-	describe('round-trip', () => {
-		it.each(['metrics', 'logs', 'traces'] as const)(
-			'round-trips %s baseline preserving dataSource',
-			(source) => {
-				const query = initialQueriesMap[source];
-				const decoded = roundTrip(query);
-				expect(decoded.builder.queryData[0].dataSource).toBe(source);
-			},
-		);
-	});
-
-	describe('encoding', () => {
-		it('encodes using single URL encoding via URLSearchParams', () => {
-			const query = initialQueriesMap.logs;
-			const params = jsonAdapter.encode(query);
-			const raw = params.get(COMPOSITE_QUERY_KEY) ?? '';
-
-			// URLSearchParams.get() returns decoded value, so raw === JSON string
-			expect(raw).toBe(JSON.stringify(query));
-			expect(raw.startsWith('{')).toBe(true);
-
-			// Full URL shows single encoding
-			const fullUrl = params.toString();
-			expect(fullUrl).toContain('%7B'); // encoded {
-			expect(fullUrl).not.toContain('%257B'); // NOT double-encoded
-		});
-
-		it('decode handles single-encoded format (current)', () => {
-			const query = initialQueriesMap.logs;
-			const params = new URLSearchParams();
-			params.set(COMPOSITE_QUERY_KEY, JSON.stringify(query));
-
-			const decoded = jsonAdapter.decode(params)!;
-			expect(decoded.builder.queryData[0].dataSource).toBe('logs');
-		});
-	});
-
-	describe('legacy double-encoded fallback', () => {
-		it('decode handles double-encoded format (legacy URLs)', () => {
-			const query = initialQueriesMap.logs;
-			// Simulate legacy: JSON -> encodeURIComponent -> set as raw param
-			const doubleEncoded = encodeURIComponent(JSON.stringify(query));
-			const params = new URLSearchParams();
-			params.set(COMPOSITE_QUERY_KEY, doubleEncoded);
-
-			const decoded = jsonAdapter.decode(params)!;
-			expect(decoded.builder.queryData[0].dataSource).toBe('logs');
-		});
-
-		it('double-encoded with special chars decodes correctly', () => {
-			const queryWithSpecialChars = {
-				...initialQueriesMap.logs,
-				builder: {
-					...initialQueriesMap.logs.builder,
-					queryData: [
-						{
-							...initialQueriesMap.logs.builder.queryData[0],
-							filters: {
-								op: 'AND',
-								items: [
-									{
-										key: { key: 'message', dataType: 'string', type: 'tag' },
-										op: '=',
-										value: 'hello world & foo=bar',
-									},
-								],
-							},
-						},
-					],
-				},
-			};
-			const doubleEncoded = encodeURIComponent(
-				JSON.stringify(queryWithSpecialChars),
-			);
-			const params = new URLSearchParams();
-			params.set(COMPOSITE_QUERY_KEY, doubleEncoded);
-
-			const decoded = jsonAdapter.decode(params)!;
-			const filter = decoded.builder.queryData[0].filters?.items[0];
-			expect(filter?.value).toBe('hello world & foo=bar');
-		});
-	});
-
-	describe('plus-sign handling', () => {
-		it('plus signs in double-encoded URLs decode as spaces', () => {
-			// In URL encoding, + represents space. Legacy URLs may have this.
-			const query = { queryType: 'builder', test: 'hello world' };
-			// Manually create double-encoded with + for space
-			const jsonStr = JSON.stringify(query);
-			const encoded = encodeURIComponent(jsonStr).replace(/%20/g, '+');
-
-			const params = new URLSearchParams();
-			params.set(COMPOSITE_QUERY_KEY, encoded);
-
-			const decoded = jsonAdapter.decode(params) as any;
-			expect(decoded.test).toBe('hello world');
-		});
-
-		it('plus signs in filter values preserved after decode', () => {
-			// Value literally contains + (not space)
-			const queryWithPlus = {
-				...initialQueriesMap.logs,
-				builder: {
-					...initialQueriesMap.logs.builder,
-					queryData: [
-						{
-							...initialQueriesMap.logs.builder.queryData[0],
-							filters: {
-								op: 'AND',
-								items: [
-									{
-										key: { key: 'expr', dataType: 'string', type: 'tag' },
-										op: '=',
-										value: '1+2=3',
-									},
-								],
-							},
-						},
-					],
-				},
-			};
-
-			// Current format (single encode) - + becomes %2B
-			const params = jsonAdapter.encode(queryWithPlus as Query);
-			const decoded = jsonAdapter.decode(params)!;
-			expect(decoded.builder.queryData[0].filters?.items[0]?.value).toBe('1+2=3');
-		});
-
-		it('legacy double-encoded + in values preserved', () => {
-			const queryWithPlus = {
-				queryType: 'builder',
-				builder: {
-					queryData: [
-						{
-							dataSource: 'logs',
-							queryName: 'A',
-							filters: {
-								op: 'AND',
-								items: [{ key: { key: 'x' }, op: '=', value: 'a+b' }],
-							},
-						},
-					],
-					queryFormulas: [],
-				},
-				promql: [],
-				clickhouse_sql: [],
-				id: 'x',
-				unit: '',
-			};
-			// Double encode: + in JSON becomes %2B, then %252B
-			const doubleEncoded = encodeURIComponent(JSON.stringify(queryWithPlus));
-			const params = new URLSearchParams();
-			params.set(COMPOSITE_QUERY_KEY, doubleEncoded);
-
-			const decoded = jsonAdapter.decode(params)!;
-			expect(decoded.builder.queryData[0].filters?.items[0]?.value).toBe('a+b');
-		});
-	});
-
-	describe('tag matching', () => {
-		it('matches any value (catch-all fallback)', () => {
-			const params1 = new URLSearchParams();
-			params1.set(COMPOSITE_QUERY_KEY, '%7B%22queryType%22%3A%22builder%22%7D');
-			expect(jsonAdapter.matches(params1)).toBe(true);
-
-			const params2 = new URLSearchParams();
-			params2.set(COMPOSITE_QUERY_KEY, 'z1~abc');
-			expect(jsonAdapter.matches(params2)).toBe(true);
-		});
-	});
-
-	describe('migration', () => {
-		it('migrates old format (filters -> filter.expression)', () => {
-			const legacy = {
-				queryType: 'builder',
-				builder: {
-					queryData: [
-						{
-							dataSource: 'logs',
-							queryName: 'A',
-							filters: { op: 'AND', items: [] },
-							aggregateOperator: 'count',
-							aggregateAttribute: { key: '', dataType: '', type: '' },
-						},
-					],
-					queryFormulas: [],
-					queryTraceOperator: [],
-				},
-				promql: [],
-				clickhouse_sql: [],
-				id: 'x',
-				unit: '',
-			};
-			const params = new URLSearchParams();
-			params.set(COMPOSITE_QUERY_KEY, JSON.stringify(legacy));
-			const decoded = jsonAdapter.decode(params)!;
-			expect(decoded.builder.queryData[0].filter).toBeDefined();
-			expect(decoded.builder.queryData[0].aggregations).toBeDefined();
-		});
-	});
-});

frontend/src/lib/compositeQuery/serializer.ts

@@ -1,80 +0,0 @@
-import {
-	COMPOSITE_QUERY_KEY,
-	jsonAdapter,
-} from 'lib/compositeQuery/adapters/json';
-import type { CompositeQueryAdapter } from 'lib/compositeQuery/types';
-import type { Query } from 'types/api/queryBuilder/queryBuilderData';
-
-// Order matters for decode: most-specific (tagged) adapters first
-const ADAPTERS: CompositeQueryAdapter[] = [jsonAdapter];
-
-// Pick the adapter that owns a given URL. json's `matches` is always true, so
-// it serves as the final fallback when no tagged adapter claims the params.
-function adapterFor(params: URLSearchParams): CompositeQueryAdapter {
-	return ADAPTERS.find((adapter) => adapter.matches(params)) ?? jsonAdapter;
-}
-
-/**
- * Encode a query to the shortest available URLSearchParams.
- */
-export function serialize(query: Query): URLSearchParams {
-	return ADAPTERS[0].encode(query);
-}
-
-/**
- * Decode URLSearchParams back to a Query. Total: returns null on any failure.
- */
-export function deserialize(params: URLSearchParams): Query | null {
-	const hasParams = params.toString().length > 0;
-	if (!hasParams) {
-		return null;
-	}
-	return adapterFor(params).decode(params);
-}
-
-/**
- * Apply all params from source into target URLSearchParams.
- */
-export function applySerializedParams(
-	source: URLSearchParams,
-	target: URLSearchParams,
-): void {
-	source.forEach((value, key) => target.set(key, value));
-}
-
-/**
- * Remove every serialized-query param from target URLSearchParams. Use instead
- * of `target.delete('compositeQuery')` so a stale query is fully purged even
- * for adapters that explode a query into many content-dependent keys (e.g.
- * `query0.ds`, `query0.fl.it.0.key.key`) which can't be listed statically.
- *
- * Keys are discovered by round-trip: decode the current params with their
- * owning adapter, re-encode, then delete exactly the keys encoding produces.
- * If the params don't decode (absent/corrupt), fall back to dropping the legacy
- * single key so a stale `compositeQuery` is still cleared.
- */
-export function clearSerializedParams(target: URLSearchParams): void {
-	const adapter = adapterFor(target);
-	try {
-		const decoded = adapter.decode(target);
-		if (!decoded) {
-			target.delete(COMPOSITE_QUERY_KEY);
-			return;
-		}
-		adapter.encode(decoded).forEach((_value, key) => {
-			target.delete(key);
-		});
-	} catch {
-		target.delete(COMPOSITE_QUERY_KEY);
-	}
-}
-
-/**
- * Serialize a query to a plain record of all URL params it produces. Use when
- * building a query-param object manually (e.g. for `createQueryParams`), so the
- * call site carries every param the adapter emits — not just `compositeQuery`.
- * Spread it: `{ ...serializeToParams(query), startTime, endTime }`.
- */
-export function serializeToParams(query: Query): Record<string, string> {
-	return Object.fromEntries(serialize(query));
-}

frontend/src/lib/compositeQuery/types.ts

@@ -1,15 +0,0 @@
-import { Query } from 'types/api/queryBuilder/queryBuilderData';
-
-export const COMPOSITE_QUERY_KEY = 'compositeQuery';
-
-/**
- * A serialization tier. `encode` returns URLSearchParams (default key =
- * `compositeQuery`). `matches` checks if params belong to this adapter.
- * `decode` receives URLSearchParams and returns Query or null if missing/invalid.
- */
-export interface CompositeQueryAdapter {
-	readonly name: string;
-	encode(query: Query): URLSearchParams;
-	matches(params: URLSearchParams): boolean;
-	decode(params: URLSearchParams): Query | null;
-}

frontend/src/mocks-server/handlers.ts

@@ -176,6 +176,15 @@ export const handlers = [
 		res(ctx.status(200), ctx.json(getDashboardById)),
 	),
 
+	rest.post('http://localhost/api/v2/users', (_, res, ctx) =>
+		res(
+			ctx.status(201),
+			ctx.json({
+				data: { id: 'user-123' },
+			}),
+		),
+	),
+
 	rest.post('http://localhost/api/v1/invite', (_, res, ctx) =>
 		res(
 			ctx.status(200),

frontend/src/pages/EditRules/index.tsx

@@ -15,7 +15,6 @@ import EditRulesContainer from 'container/EditRules';
 import { useNotifications } from 'hooks/useNotifications';
 import { useSafeNavigate } from 'hooks/useSafeNavigate';
 import useUrlQuery from 'hooks/useUrlQuery';
-import { clearSerializedParams } from 'lib/compositeQuery/serializer';
 import history from 'lib/history';
 import {
 	NEW_ALERT_SCHEMA_VERSION,
@@ -50,7 +49,7 @@ function EditRules(): JSX.Element {
 	const { notifications } = useNotifications();
 
 	const clickHandler = (): void => {
-		clearSerializedParams(params);
+		params.delete(QueryParams.compositeQuery);
 		params.delete(QueryParams.panelTypes);
 		params.delete(QueryParams.ruleId);
 		params.delete(QueryParams.relativeTime);

frontend/src/pages/TraceDetailsV3/SpanDetailsPanel/SpanDetailsPanel.tsx

@@ -28,10 +28,6 @@ import ROUTES from 'constants/routes';
 import InfraMetrics from 'container/LogDetailedView/InfraMetrics/InfraMetrics';
 import { getEmptyLogsListConfig } from 'container/LogsExplorerList/utils';
 import dayjs from 'dayjs';
-import {
-	applySerializedParams,
-	serialize,
-} from 'lib/compositeQuery/serializer';
 import {
 	TraceDetailEventKeys,
 	TraceDetailEvents,
@@ -250,7 +246,7 @@ function SpanDetailsContent({
 		};
 
 		const searchParams = new URLSearchParams();
-		applySerializedParams(serialize(compositeQuery as any), searchParams);
+		searchParams.set(QueryParams.compositeQuery, JSON.stringify(compositeQuery));
 		searchParams.set(QueryParams.startTime, startTimeMs.toString());
 		searchParams.set(QueryParams.endTime, endTimeMs.toString());
 

frontend/src/pages/TraceDetailsV3/SpanDetailsPanel/SpanLogs/SpanLogs.tsx

@@ -18,7 +18,6 @@ import { LogsLoading } from 'container/LogsLoading/LogsLoading';
 import { FontSize } from 'container/OptionsMenu/types';
 import { getOperatorValue } from 'container/QueryBuilder/filters/QueryBuilderSearch/utils';
 import { useQueryBuilder } from 'hooks/queryBuilder/useQueryBuilder';
-import { serializeToParams } from 'lib/compositeQuery/serializer';
 import createQueryParams from 'lib/createQueryParams';
 import { Compass } from '@signozhq/icons';
 import { ILog } from 'types/api/logs/log';
@@ -139,7 +138,7 @@ function SpanLogs({
 				[QueryParams.activeLogId]: `"${log.id}"`,
 				[QueryParams.startTime]: timeRange.startTime.toString(),
 				[QueryParams.endTime]: timeRange.endTime.toString(),
-				...serializeToParams(updatedQuery),
+				[QueryParams.compositeQuery]: JSON.stringify(updatedQuery),
 			};
 
 			const url = `${ROUTES.LOGS_EXPLORER}?${createQueryParams(queryParams)}`;

frontend/src/providers/QueryBuilder.tsx

@@ -38,10 +38,6 @@ import { useGetCompositeQueryParam } from 'hooks/queryBuilder/useGetCompositeQue
 import { updateStepInterval } from 'hooks/queryBuilder/useStepInterval';
 import { useSafeNavigate } from 'hooks/useSafeNavigate';
 import useUrlQuery from 'hooks/useUrlQuery';
-import {
-	applySerializedParams,
-	serialize,
-} from 'lib/compositeQuery/serializer';
 import { createIdFromObjectFields } from 'lib/createIdFromObjectFields';
 import { createNewBuilderItemName } from 'lib/newQueryBuilder/createNewBuilderItemName';
 import { getOperatorsBySourceAndPanelType } from 'lib/newQueryBuilder/getOperatorsBySourceAndPanelType';
@@ -994,7 +990,10 @@ export function QueryBuilderProvider({
 				);
 			}
 
-			applySerializedParams(serialize(currentGeneratedQuery), urlQuery);
+			urlQuery.set(
+				QueryParams.compositeQuery,
+				encodeURIComponent(JSON.stringify(currentGeneratedQuery)),
+			);
 
 			if (searchParams) {
 				Object.keys(searchParams).forEach((param) =>

frontend/src/utils/dashboard/generateExportToDashboardLink.ts

@@ -2,7 +2,6 @@ import { generatePath } from 'react-router-dom';
 import { QueryParams } from 'constants/query';
 import { PANEL_TYPES } from 'constants/queryBuilder';
 import ROUTES from 'constants/routes';
-import { serialize } from 'lib/compositeQuery/serializer';
 import { Query } from 'types/api/queryBuilder/queryBuilderData';
 
 type GenerateExportToDashboardLinkParams = {
@@ -22,4 +21,6 @@ export const generateExportToDashboardLink = ({
 		dashboardId,
 	})}/new?${QueryParams.graphType}=${panelType}&${
 		QueryParams.widgetId
-	}=${widgetId}&${serialize(query).toString()}`;
+	}=${widgetId}&${QueryParams.compositeQuery}=${encodeURIComponent(
+		JSON.stringify(query),
+	)}`;