Merge branch 'main' into feat/flamegraph-perf

* test(alerts): add tests for triggered and list alerts page

* test(alerts): add tests for list alerts and triggered alerts

* test(fireEvent): replace by userEvent

frontend/__mocks__/useSafeNavigate.ts

@@ -1,28 +0,0 @@
-// Mock for useSafeNavigate hook to avoid React Router version conflicts in tests
-interface SafeNavigateOptions {
-	replace?: boolean;
-	state?: unknown;
-	newTab?: boolean;
-}
-
-interface SafeNavigateTo {
-	pathname?: string;
-	search?: string;
-	hash?: string;
-}
-
-type SafeNavigateToType = string | SafeNavigateTo;
-
-interface UseSafeNavigateReturn {
-	safeNavigate: jest.MockedFunction<
-		(to: SafeNavigateToType, options?: SafeNavigateOptions) => void
-	>;
-}
-
-export const useSafeNavigate = (): UseSafeNavigateReturn => ({
-	safeNavigate: jest.fn(
-		(_to: SafeNavigateToType, _options?: SafeNavigateOptions) => {},
-	) as jest.MockedFunction<
-		(to: SafeNavigateToType, options?: SafeNavigateOptions) => void
-	>,
-});

frontend/jest.config.ts

@@ -1,6 +1,8 @@
 import type { Config } from '@jest/types';
 
-const USE_SAFE_NAVIGATE_MOCK_PATH = '<rootDir>/__mocks__/useSafeNavigate.ts';
+const USE_SAFE_NAVIGATE_MOCK_PATH =
+	'<rootDir>/src/__tests__/safeNavigateMock.ts';
+const LOG_EVENT_MOCK_PATH = '<rootDir>/src/__tests__/logEventMock.ts';
 
 const config: Config.InitialOptions = {
 	silent: true,
@@ -22,6 +24,8 @@ const config: Config.InitialOptions = {
 		'^hooks/useSafeNavigate$': USE_SAFE_NAVIGATE_MOCK_PATH,
 		'^src/hooks/useSafeNavigate$': USE_SAFE_NAVIGATE_MOCK_PATH,
 		'^.*/useSafeNavigate$': USE_SAFE_NAVIGATE_MOCK_PATH,
+		'^api/common/logEvent$': LOG_EVENT_MOCK_PATH,
+		'^src/api/common/logEvent$': LOG_EVENT_MOCK_PATH,
 		'^constants/env$': '<rootDir>/__mocks__/env.ts',
 		'^src/constants/env$': '<rootDir>/__mocks__/env.ts',
 		'^@signozhq/icons$': '<rootDir>/__mocks__/signozhqIconsMock.tsx',

frontend/src/__tests__/logEventMock.ts

@@ -0,0 +1,11 @@
+// Shared mock for `api/common/logEvent`.
+// Wired into jest.config.ts moduleNameMapper, so any import of
+// `api/common/logEvent` in test code resolves to this file.
+// Tests can import `logEventMock` to assert analytics calls — Jest's
+// `clearMocks: true` resets call history between tests.
+
+export const logEventMock: jest.MockedFunction<
+	(eventName: string, attributes?: Record<string, unknown>) => void
+> = jest.fn();
+
+export default logEventMock;

frontend/src/__tests__/safeNavigateMock.ts

@@ -0,0 +1,29 @@
+// Shared mock for `hooks/useSafeNavigate`.
+// Wired into jest.config.ts moduleNameMapper, so any import of
+// `hooks/useSafeNavigate` in test code resolves to this file.
+// Tests can import `safeNavigateMock` to assert navigation calls — Jest's
+// `clearMocks: true` resets call history between tests.
+
+interface SafeNavigateOptions {
+	replace?: boolean;
+	state?: unknown;
+	newTab?: boolean;
+}
+
+interface SafeNavigateTo {
+	pathname?: string;
+	search?: string;
+	hash?: string;
+}
+
+type SafeNavigateToType = string | SafeNavigateTo;
+
+export const safeNavigateMock: jest.MockedFunction<
+	(to: SafeNavigateToType, options?: SafeNavigateOptions) => void
+> = jest.fn();
+
+export const useSafeNavigate = (): {
+	safeNavigate: typeof safeNavigateMock;
+} => ({
+	safeNavigate: safeNavigateMock,
+});

frontend/src/components/HeaderRightSection/__tests__/FeedbackModal.test.tsx

@@ -3,17 +3,12 @@ import { useLocation } from 'react-router-dom';
 import { toast } from '@signozhq/ui/sonner';
 import { render, screen } from '@testing-library/react';
 import userEvent from '@testing-library/user-event';
-import logEvent from 'api/common/logEvent';
+import { logEventMock } from '__tests__/logEventMock';
 import { handleContactSupport } from 'container/Integrations/utils';
 import { useGetTenantLicense } from 'hooks/useGetTenantLicense';
 
 import FeedbackModal from '../FeedbackModal';
 
-jest.mock('api/common/logEvent', () => ({
-	__esModule: true,
-	default: jest.fn(() => Promise.resolve()),
-}));
-
 jest.mock('react-router-dom', () => ({
 	...jest.requireActual('react-router-dom'),
 	useLocation: jest.fn(),
@@ -35,7 +30,6 @@ jest.mock('container/Integrations/utils', () => ({
 	handleContactSupport: jest.fn(),
 }));
 
-const mockLogEvent = logEvent as jest.MockedFunction<typeof logEvent>;
 const mockUseLocation = useLocation as jest.Mock;
 const mockUseGetTenantLicense = useGetTenantLicense as jest.Mock;
 const mockHandleContactSupport = handleContactSupport as jest.Mock;
@@ -50,6 +44,7 @@ const mockLocation = {
 describe('FeedbackModal', () => {
 	beforeEach(() => {
 		jest.clearAllMocks();
+		logEventMock.mockReturnValue(Promise.resolve() as never);
 		mockUseLocation.mockReturnValue(mockLocation);
 		mockUseGetTenantLicense.mockReturnValue({
 			isCloudUser: false,
@@ -116,7 +111,7 @@ describe('FeedbackModal', () => {
 		await user.type(textarea, testFeedback);
 		await user.click(submitButton);
 
-		expect(mockLogEvent).toHaveBeenCalledWith('Feedback: Submitted', {
+		expect(logEventMock).toHaveBeenCalledWith('Feedback: Submitted', {
 			data: testFeedback,
 			type: 'feedback',
 			page: mockLocation.pathname,
@@ -149,7 +144,7 @@ describe('FeedbackModal', () => {
 		await user.type(textarea, testFeedback);
 		await user.click(submitButton);
 
-		expect(mockLogEvent).toHaveBeenCalledWith('Feedback: Submitted', {
+		expect(logEventMock).toHaveBeenCalledWith('Feedback: Submitted', {
 			data: testFeedback,
 			type: 'reportBug',
 			page: mockLocation.pathname,
@@ -182,7 +177,7 @@ describe('FeedbackModal', () => {
 		await user.type(textarea, testFeedback);
 		await user.click(submitButton);
 
-		expect(mockLogEvent).toHaveBeenCalledWith('Feedback: Submitted', {
+		expect(logEventMock).toHaveBeenCalledWith('Feedback: Submitted', {
 			data: testFeedback,
 			type: 'featureRequest',
 			page: mockLocation.pathname,

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

@@ -2,16 +2,11 @@
 import { useLocation } from 'react-router-dom';
 import { render, screen } from '@testing-library/react';
 import userEvent from '@testing-library/user-event';
-import logEvent from 'api/common/logEvent';
+import { logEventMock } from '__tests__/logEventMock';
 import { useGetTenantLicense } from 'hooks/useGetTenantLicense';
 
 import HeaderRightSection from '../HeaderRightSection';
 
-jest.mock('api/common/logEvent', () => ({
-	__esModule: true,
-	default: jest.fn(),
-}));
-
 jest.mock('react-router-dom', () => ({
 	...jest.requireActual('react-router-dom'),
 	useLocation: jest.fn(),
@@ -50,7 +45,6 @@ jest.mock('hooks/useIsAIAssistantEnabled', () => ({
 	useIsAIAssistantEnabled: (): boolean => false,
 }));
 
-const mockLogEvent = logEvent as jest.Mock;
 const mockUseLocation = useLocation as jest.Mock;
 const mockUseGetTenantLicense = useGetTenantLicense as jest.Mock;
 
@@ -120,7 +114,7 @@ describe('HeaderRightSection', () => {
 
 		await user.click(feedbackButton!);
 
-		expect(mockLogEvent).toHaveBeenCalledWith('Feedback: Clicked', {
+		expect(logEventMock).toHaveBeenCalledWith('Feedback: Clicked', {
 			page: mockLocation.pathname,
 		});
 		expect(screen.getByTestId('feedback-modal')).toBeInTheDocument();
@@ -133,7 +127,7 @@ describe('HeaderRightSection', () => {
 		const shareButton = screen.getByRole('button', { name: /share/i });
 		await user.click(shareButton);
 
-		expect(mockLogEvent).toHaveBeenCalledWith('Share: Clicked', {
+		expect(logEventMock).toHaveBeenCalledWith('Share: Clicked', {
 			page: mockLocation.pathname,
 		});
 		expect(screen.getByTestId('share-modal')).toBeInTheDocument();
@@ -150,7 +144,7 @@ describe('HeaderRightSection', () => {
 
 		await user.click(announcementsButton!);
 
-		expect(mockLogEvent).toHaveBeenCalledWith('Announcements: Clicked', {
+		expect(logEventMock).toHaveBeenCalledWith('Announcements: Clicked', {
 			page: mockLocation.pathname,
 		});
 	});

frontend/src/components/HeaderRightSection/__tests__/ShareURLModal.test.tsx

@@ -5,18 +5,13 @@ import { matchPath, useLocation } from 'react-router-dom';
 import { useCopyToClipboard } from 'react-use';
 import { render, screen } from '@testing-library/react';
 import userEvent from '@testing-library/user-event';
-import logEvent from 'api/common/logEvent';
+import { logEventMock } from '__tests__/logEventMock';
 import ROUTES from 'constants/routes';
 import useUrlQuery from 'hooks/useUrlQuery';
 import GetMinMax from 'lib/getMinMax';
 
 import ShareURLModal from '../ShareURLModal';
 
-jest.mock('api/common/logEvent', () => ({
-	__esModule: true,
-	default: jest.fn(),
-}));
-
 jest.mock('react-router-dom', () => ({
 	...jest.requireActual('react-router-dom'),
 	useLocation: jest.fn(),
@@ -53,7 +48,6 @@ Object.defineProperty(window, 'location', {
 	writable: true,
 });
 
-const mockLogEvent = logEvent as jest.Mock;
 const mockUseLocation = useLocation as jest.Mock;
 const mockUseUrlQuery = useUrlQuery as jest.Mock;
 const mockUseSelector = useSelector as jest.Mock;
@@ -125,7 +119,7 @@ describe('ShareURLModal', () => {
 		await user.click(copyButton);
 
 		expect(mockHandleCopyToClipboard).toHaveBeenCalled();
-		expect(mockLogEvent).toHaveBeenCalledWith('Share: Copy link clicked', {
+		expect(logEventMock).toHaveBeenCalledWith('Share: Copy link clicked', {
 			page: TEST_PATH,
 			URL: expect.any(String),
 		});

frontend/src/components/QueryBuilderV2/utils.ts

@@ -721,6 +721,53 @@ export const removeKeysFromExpression = (
 	return result?.text ?? '';
 };
 
+const escapeRegExp = (value: string): string =>
+	value.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
+
+export const createVariablePlaceholderRegExp = (
+	variableName: string,
+): RegExp => {
+	const escapedName = escapeRegExp(variableName);
+	// (?![\w.]) prevents $env from matching inside $environment or $env.attr
+	return new RegExp(
+		`(\\$${escapedName}(?![\\w.])|\\{\\{\\s*\\.?${escapedName}\\s*\\}\\}|\\[\\[\\s*${escapedName}\\s*\\]\\])`,
+		'g',
+	);
+};
+
+const matchesVariablePlaceholder = (
+	text: string,
+	variableName: string,
+): boolean => createVariablePlaceholderRegExp(variableName).test(text);
+
+export const removeVariableFromExpression = (
+	expression: string | undefined,
+	variableName: string,
+): string => {
+	if (!expression) {
+		return '';
+	}
+
+	const queryPairs = extractQueryPairs(expression);
+
+	const keysToRemove = queryPairs
+		.filter((pair) => {
+			const singleValue = pair.value?.toString() ?? '';
+			const listValues = (pair.valueList ?? []).join(' ');
+			return (
+				matchesVariablePlaceholder(singleValue, variableName) ||
+				matchesVariablePlaceholder(listValues, variableName)
+			);
+		})
+		.map((pair) => pair.key);
+
+	if (keysToRemove.length === 0) {
+		return expression;
+	}
+
+	return removeKeysFromExpression(expression, keysToRemove, `$${variableName}`);
+};
+
 /**
  * Convert old having format to new having format
  * @param having - Array of old having objects with columnName, op, and value

frontend/src/components/cmdKPalette/__test__/cmdkPalette.test.tsx

@@ -139,7 +139,6 @@ jest.mock('react-query', (): unknown => {
 });
 
 // mock other side-effecty modules
-jest.mock('api/common/logEvent', () => jest.fn());
 jest.mock('api/browser/localstorage/set', () => jest.fn());
 jest.mock('utils/error', () => ({ showErrorNotification: jest.fn() }));
 

frontend/src/container/AppLayout/__tests__/sidebar-toggle-shortcut.test.tsx

@@ -1,7 +1,7 @@
 import { QueryClient, QueryClientProvider } from 'react-query';
 import { render, screen } from '@testing-library/react';
 import userEvent from '@testing-library/user-event';
-import logEvent from 'api/common/logEvent';
+import { logEventMock } from '__tests__/logEventMock';
 import { GlobalShortcuts } from 'constants/shortcuts/globalShortcuts';
 import { USER_PREFERENCES } from 'constants/userPreferences';
 import {
@@ -24,8 +24,6 @@ jest.mock('providers/cmdKProvider', () => ({
 	}),
 }));
 
-jest.mock('api/common/logEvent', () => jest.fn());
-
 // Mock the AppContext
 const mockUpdateUserPreferenceInContext = jest.fn();
 
@@ -139,7 +137,7 @@ describe('Sidebar Toggle Shortcut', () => {
 		it('should log the toggle event with correct parameters', async () => {
 			const user = userEvent.setup();
 			const mockHandleShortcut = jest.fn(() => {
-				logEvent('Global Shortcut: Sidebar Toggle', {
+				logEventMock('Global Shortcut: Sidebar Toggle', {
 					previousState: false,
 					newState: true,
 				});
@@ -155,10 +153,13 @@ describe('Sidebar Toggle Shortcut', () => {
 
 			await user.keyboard(SHIFT_B_KEYBOARD_SHORTCUT);
 
-			expect(logEvent).toHaveBeenCalledWith('Global Shortcut: Sidebar Toggle', {
-				previousState: false,
-				newState: true,
-			});
+			expect(logEventMock).toHaveBeenCalledWith(
+				'Global Shortcut: Sidebar Toggle',
+				{
+					previousState: false,
+					newState: true,
+				},
+			);
 		});
 
 		it('should update user preference in context', async () => {

frontend/src/container/DashboardContainer/DashboardSettings/DashboardVariableSettings/addTagFiltersToDashboard.test.tsx

@@ -0,0 +1,328 @@
+import { PANEL_TYPES } from 'constants/queryBuilder';
+import { Dashboard } from 'types/api/dashboard/getAll';
+import { EQueryType } from 'types/common/dashboard';
+import { DataSource } from 'types/common/queryBuilder';
+import { removeVariableReferencesFromDashboard } from './addTagFiltersToDashboard';
+
+// ---------------------------------------------------------------------------
+// Shared fixture helpers
+// ---------------------------------------------------------------------------
+
+const EMPTY_BUILDER = {
+	queryData: [] as any,
+	queryFormulas: [],
+	queryTraceOperator: [],
+};
+
+const BASE_WIDGET = {
+	opacity: '1',
+	nullZeroValues: 'null',
+	timePreferance: 'GLOBAL_TIME' as const,
+	softMin: null,
+	softMax: null,
+	selectedLogFields: null,
+	selectedTracesFields: null,
+};
+
+const DEFAULT_QUERY_DATA = {
+	queryName: 'q1',
+	// In QB v5, expression holds the query label (A/B/C), not a filter expression
+	expression: 'A',
+	dataSource: DataSource.METRICS,
+	functions: [],
+	groupBy: [],
+	filters: { items: [] as any[], op: 'AND' as const },
+	legend: '',
+	disabled: false,
+	having: [],
+	limit: null,
+	stepInterval: null,
+	orderBy: [],
+	selectColumns: [],
+	source: '' as const,
+};
+
+/**
+ * Build a dashboard with a single builder widget.
+ * Only supply the fields your test actually cares about.
+ */
+const buildBuilderDashboard = (
+	filterExpression: string,
+	queryDataOverrides: Record<string, any> = {},
+): Dashboard => ({
+	id: 'dash1',
+	createdAt: '',
+	updatedAt: '',
+	createdBy: '',
+	updatedBy: '',
+	data: {
+		title: 'Test Dashboard',
+		widgets: [
+			{
+				...BASE_WIDGET,
+				id: 'widget-1',
+				panelTypes: PANEL_TYPES.TIME_SERIES,
+				title: 'Widget 1',
+				description: '',
+				query: {
+					id: 'query1',
+					queryType: EQueryType.QUERY_BUILDER,
+					promql: [],
+					clickhouse_sql: [],
+					builder: {
+						queryData: [
+							{
+								...DEFAULT_QUERY_DATA,
+								...queryDataOverrides,
+								filter: { expression: filterExpression },
+							},
+						],
+						queryFormulas: [],
+						queryTraceOperator: [],
+					},
+					unit: '',
+				},
+			},
+		],
+		variables: {},
+	},
+});
+
+const buildClickhouseDashboard = (query: string): Dashboard => ({
+	id: 'dash-ch',
+	createdAt: '',
+	updatedAt: '',
+	createdBy: '',
+	updatedBy: '',
+	data: {
+		title: 'CH',
+		widgets: [
+			{
+				...BASE_WIDGET,
+				id: 'w1',
+				panelTypes: PANEL_TYPES.TIME_SERIES,
+				title: '',
+				description: '',
+				query: {
+					id: 'q1',
+					queryType: EQueryType.CLICKHOUSE,
+					promql: [],
+					clickhouse_sql: [{ name: 'A', query, legend: '', disabled: false }],
+					builder: EMPTY_BUILDER,
+					unit: '',
+				},
+			},
+		],
+		variables: {},
+	},
+});
+
+const buildPromqlDashboard = (query: string): Dashboard => ({
+	id: 'dash-prom',
+	createdAt: '',
+	updatedAt: '',
+	createdBy: '',
+	updatedBy: '',
+	data: {
+		title: 'PromQL Dashboard',
+		widgets: [
+			{
+				...BASE_WIDGET,
+				id: 'widget-prom',
+				panelTypes: PANEL_TYPES.TIME_SERIES,
+				title: 'PromQL Widget',
+				description: '',
+				query: {
+					id: 'query-prom',
+					queryType: EQueryType.PROM,
+					promql: [{ name: 'A', query, legend: '', disabled: false }],
+					clickhouse_sql: [],
+					builder: EMPTY_BUILDER,
+					unit: '',
+				},
+			},
+		],
+		variables: {},
+	},
+});
+
+/** Run removeVariableReferencesFromDashboard on a single-widget clickhouse dashboard and return the cleaned SQL. */
+const chQuery = (sql: string, varName: string): string => {
+	const result = removeVariableReferencesFromDashboard(
+		buildClickhouseDashboard(sql),
+		varName,
+	);
+	return (result!.data.widgets![0] as any).query.clickhouse_sql[0].query;
+};
+
+/** Extract the first builder queryData from a cleaned dashboard. */
+const firstBuilderQueryData = (dashboard: Dashboard | undefined): any =>
+	(dashboard!.data.widgets![0] as any).query.builder.queryData[0];
+
+// ---------------------------------------------------------------------------
+// Tests
+// ---------------------------------------------------------------------------
+
+describe('removeVariableReferencesFromDashboard', () => {
+	describe('builder filter expression cleanup', () => {
+		it('removes a variable clause from filter.expression', () => {
+			const dashboard = buildBuilderDashboard(
+				"service.name IN $service AND env = 'prod'",
+			);
+
+			const result = removeVariableReferencesFromDashboard(dashboard, 'service');
+
+			expect(firstBuilderQueryData(result).filter.expression).toBe("env = 'prod'");
+		});
+
+		it('leaves no dangling AND/OR after removing a variable clause', () => {
+			const dashboard = buildBuilderDashboard(
+				"service.name IN $service AND env = 'prod'",
+			);
+
+			const result = removeVariableReferencesFromDashboard(dashboard, 'service');
+			const { expression } = firstBuilderQueryData(result).filter;
+
+			expect(expression).toBe("env = 'prod'");
+			expect(expression).not.toMatch(/^\s*(AND|OR)/i);
+			expect(expression).not.toMatch(/(AND|OR)\s*$/i);
+		});
+
+		it('does not remove $environment clause when deleting $env', () => {
+			const dashboard = buildBuilderDashboard(
+				'env = $env AND deployment.environment = $environment',
+			);
+
+			const result = removeVariableReferencesFromDashboard(dashboard, 'env');
+
+			expect(firstBuilderQueryData(result).filter.expression).toBe(
+				'deployment.environment = $environment',
+			);
+		});
+
+		it('leaves literal filter expressions untouched when removing a variable', () => {
+			const dashboard = buildBuilderDashboard(
+				"service.name = 'api-gateway' AND env = 'prod'",
+			);
+
+			const result = removeVariableReferencesFromDashboard(dashboard, 'service');
+
+			expect(firstBuilderQueryData(result).filter.expression).toBe(
+				"service.name = 'api-gateway' AND env = 'prod'",
+			);
+		});
+
+		it('removes only the variable clause, preserving a literal clause on the same key', () => {
+			const dashboard = buildBuilderDashboard(
+				"service.name IN $service AND service.name = 'api-gateway'",
+			);
+
+			const result = removeVariableReferencesFromDashboard(dashboard, 'service');
+
+			expect(firstBuilderQueryData(result).filter.expression).toBe(
+				"service.name = 'api-gateway'",
+			);
+		});
+
+		it('returns filter.expression unchanged when the variable has no clauses in it', () => {
+			const dashboard = buildBuilderDashboard("env = 'prod'");
+
+			const result = removeVariableReferencesFromDashboard(dashboard, 'service');
+
+			expect(firstBuilderQueryData(result).filter.expression).toBe("env = 'prod'");
+		});
+	});
+
+	describe('PromQL query cleanup', () => {
+		it('removes variable placeholder from a promql query', () => {
+			const result = removeVariableReferencesFromDashboard(
+				buildPromqlDashboard('sum(rate(http_requests_total{$service}[5m]))'),
+				'service',
+			);
+
+			const widget = result!.data.widgets![0] as any;
+			expect(widget.query.promql[0].query).toBe(
+				'sum(rate(http_requests_total{}[5m]))',
+			);
+		});
+
+		it('strips only the variable token inside a PromQL label matcher (token-only path)', () => {
+			const result = removeVariableReferencesFromDashboard(
+				buildPromqlDashboard('up{env="$env", job="api"}'),
+				'env',
+			);
+
+			const widget = result!.data.widgets![0] as any;
+			expect(widget.query.promql[0].query).toBe('up{env="", job="api"}');
+		});
+	});
+
+	describe('ClickHouse SQL query cleanup', () => {
+		it('removes a quoted variable clause and its WHERE keyword', () => {
+			expect(
+				chQuery(
+					"SELECT count() FROM signoz_logs WHERE service_name = '$service'",
+					'service',
+				),
+			).toBe('SELECT count() FROM signoz_logs');
+		});
+
+		it('removes a middle clause: AND env={{.env}} AND', () => {
+			expect(
+				chQuery('SELECT count() FROM t WHERE a=1 AND env={{.env}} AND b=2', 'env'),
+			).toBe('SELECT count() FROM t WHERE a=1 AND b=2');
+		});
+
+		it('removes the first clause: env={{.env}} AND rest', () => {
+			expect(
+				chQuery('SELECT count() FROM t WHERE env={{.env}} AND b=2', 'env'),
+			).toBe('SELECT count() FROM t WHERE b=2');
+		});
+
+		it('removes the last clause: rest AND env=$env', () => {
+			expect(chQuery('SELECT count() FROM t WHERE a=1 AND env=$env', 'env')).toBe(
+				'SELECT count() FROM t WHERE a=1',
+			);
+		});
+
+		it('removes a clause with double-bracket syntax: service=[[svc]]', () => {
+			expect(chQuery('SELECT count() FROM t WHERE service=[[svc]]', 'svc')).toBe(
+				'SELECT count() FROM t',
+			);
+		});
+
+		it('falls back to token-only strip for a bare variable in SELECT', () => {
+			expect(chQuery('SELECT $metric FROM table', 'metric')).toBe(
+				'SELECT FROM table',
+			);
+		});
+	});
+
+	describe('edge cases', () => {
+		it('is idempotent — calling twice produces the same result', () => {
+			const dashboard = buildBuilderDashboard(
+				"service.name IN $service AND env = 'prod'",
+			);
+
+			const once = removeVariableReferencesFromDashboard(dashboard, 'service');
+			const twice = removeVariableReferencesFromDashboard(once, 'service');
+
+			expect(twice).toStrictEqual(once);
+		});
+
+		it('handles a dashboard with no widgets without throwing', () => {
+			const dashboard: Dashboard = {
+				id: 'dash-empty',
+				createdAt: '',
+				updatedAt: '',
+				createdBy: '',
+				updatedBy: '',
+				data: { title: 'Empty Dashboard', widgets: undefined, variables: {} },
+			};
+
+			expect(() =>
+				removeVariableReferencesFromDashboard(dashboard, 'service'),
+			).not.toThrow();
+		});
+	});
+});

frontend/src/container/DashboardContainer/DashboardSettings/DashboardVariableSettings/addTagFiltersToDashboard.tsx

@@ -1,6 +1,8 @@
 import {
 	convertFiltersToExpressionWithExistingQuery,
+	createVariablePlaceholderRegExp,
 	removeKeysFromExpression,
+	removeVariableFromExpression,
 } from 'components/QueryBuilderV2/utils';
 import { cloneDeep, isArray, isEmpty } from 'lodash-es';
 import { Dashboard, Widgets } from 'types/api/dashboard/getAll';
@@ -157,6 +159,139 @@ const updateAfterRemoval = (
 	};
 };
 
+const removeVariablePlaceholders = (
+	text: string | undefined,
+	variableName: string,
+): string => {
+	if (!text) {
+		return '';
+	}
+
+	const tokenPattern = createVariablePlaceholderRegExp(variableName);
+
+	// Step 1: attempt clause-aware removal for SQL WHERE patterns.
+	// Strips the entire `key op $var` unit plus its adjacent AND/OR so we
+	// never leave a dangling `key = ` in unquoted ClickHouse SQL clauses.
+	// Handles three shapes:
+	//   (a) preceding conjunction:  AND key = $var
+	//   (b) following conjunction:  key = $var AND
+	//   (c) standalone clause:      key = $var  (end of expression)
+	const escapedToken = tokenPattern.source;
+	const clausePattern = new RegExp(
+		// (a) conjunction before the clause
+		`\\s*\\b(?:AND|OR)\\b\\s+[\\w."'\\[\\]]+\\s*(?:=|!=|<>|LIKE|ILIKE|IN|NOT\\s+IN)\\s*'?${escapedToken}'?` +
+			// (b)+(c) clause first, optional conjunction after
+			`|[\\w."'\\[\\]]+\\s*(?:=|!=|<>|LIKE|ILIKE|IN|NOT\\s+IN)\\s*'?${escapedToken}'?(?:\\s*\\b(?:AND|OR)\\b)?`,
+		'gi',
+	);
+
+	const withClauseRemoval = text.replace(clausePattern, '');
+	if (withClauseRemoval !== text) {
+		return withClauseRemoval
+			.replace(/\s{2,}/g, ' ')
+			.replace(/\bWHERE\s*$/i, '')
+			.trim();
+	}
+
+	// Step 2: fallback — bare variable usage outside a key-op-value pattern
+	// (e.g. SELECT $metric, LIMIT $n). Token-only removal is correct here.
+	return text
+		.replace(tokenPattern, '')
+		.replace(/\s{2,}/g, ' ')
+		.trim();
+};
+
+const removeVariableReferencesFromQueryData = (
+	queryData: IBuilderQuery,
+	variableName: string,
+): IBuilderQuery => {
+	const updatedFilter = queryData.filter?.expression
+		? {
+				...queryData.filter,
+				expression: removeVariableFromExpression(
+					queryData.filter.expression,
+					variableName,
+				),
+			}
+		: queryData.filter;
+
+	return { ...queryData, filter: updatedFilter };
+};
+
+const removeVariableReferencesFromWidget = (
+	widget: Widgets,
+	variableName: string,
+): Widgets => {
+	let updatedWidget = { ...widget };
+
+	if (updatedWidget.query?.builder?.queryData) {
+		updatedWidget = {
+			...updatedWidget,
+			query: {
+				...updatedWidget.query,
+				builder: {
+					...updatedWidget.query.builder,
+					queryData: updatedWidget.query.builder.queryData.map((queryData) =>
+						removeVariableReferencesFromQueryData(queryData, variableName),
+					),
+				},
+			},
+		};
+	}
+
+	if (updatedWidget.query?.promql) {
+		updatedWidget = {
+			...updatedWidget,
+			query: {
+				...updatedWidget.query,
+				promql: updatedWidget.query.promql.map((promqlQuery) => ({
+					...promqlQuery,
+					query: removeVariablePlaceholders(promqlQuery.query, variableName),
+				})),
+			},
+		};
+	}
+
+	if (updatedWidget.query?.clickhouse_sql) {
+		updatedWidget = {
+			...updatedWidget,
+			query: {
+				...updatedWidget.query,
+				clickhouse_sql: updatedWidget.query.clickhouse_sql.map((sqlQuery) => ({
+					...sqlQuery,
+					query: removeVariablePlaceholders(sqlQuery.query, variableName),
+				})),
+			},
+		};
+	}
+
+	return updatedWidget;
+};
+
+export const removeVariableReferencesFromDashboard = (
+	dashboard: Dashboard | undefined,
+	variableName: string,
+): Dashboard | undefined => {
+	if (!dashboard || !variableName) {
+		return dashboard;
+	}
+
+	const updatedDashboard = cloneDeep(dashboard);
+
+	if (updatedDashboard.data.widgets) {
+		updatedDashboard.data.widgets = updatedDashboard.data.widgets.map(
+			(widget) => {
+				if ('query' in widget) {
+					return removeVariableReferencesFromWidget(widget as Widgets, variableName);
+				}
+				return widget;
+			},
+		);
+	}
+
+	return updatedDashboard;
+};
+
 /**
  * A function that takes a dashboard configuration and a list of tag filters
  * and returns an updated dashboard with the filters appended to widget queries.

frontend/src/container/DashboardContainer/DashboardSettings/DashboardVariableSettings/index.tsx

@@ -18,10 +18,11 @@ import { convertVariablesToDbFormat } from 'container/DashboardContainer/Dashboa
 import { useAddDynamicVariableToPanels } from 'hooks/dashboard/useAddDynamicVariableToPanels';
 import { useDashboardVariables } from 'hooks/dashboard/useDashboardVariables';
 import { useUpdateDashboard } from 'hooks/dashboard/useUpdateDashboard';
-import { useNotifications } from 'hooks/useNotifications';
+import { toast } from '@signozhq/ui/sonner';
 import { IDashboardVariables } from 'providers/Dashboard/store/dashboardVariables/dashboardVariablesStoreTypes';
 import { useDashboardStore } from 'providers/Dashboard/store/useDashboardStore';
 import { IDashboardVariable } from 'types/api/dashboard/getAll';
+import { removeVariableReferencesFromDashboard } from './addTagFiltersToDashboard';
 
 import { TVariableMode } from './types';
 import VariableItem from './VariableItem/VariableItem';
@@ -92,8 +93,6 @@ function VariablesSettings({
 	const { dashboardData, setDashboardData } = useDashboardStore();
 	const { dashboardVariables } = useDashboardVariables();
 
-	const { notifications } = useNotifications();
-
 	const [variablesTableData, setVariablesTableData] = useState<any>([]);
 	const [variblesOrderArr, setVariablesOrderArr] = useState<number[]>([]);
 	const [existingVariableNamesMap, setExistingVariableNamesMap] = useState<
@@ -201,9 +200,7 @@ function VariablesSettings({
 				onSuccess: (updatedDashboard) => {
 					if (updatedDashboard.data) {
 						setDashboardData(updatedDashboard.data);
-						notifications.success({
-							message: t('variable_updated_successfully'),
-						});
+						toast.success(t('variable_updated_successfully'));
 					}
 				},
 			},
@@ -256,6 +253,11 @@ function VariablesSettings({
 	};
 
 	const handleDeleteConfirm = (): void => {
+		if (!dashboardData || !variableToDelete.current) {
+			setDeleteVariableModal(false);
+			return;
+		}
+
 		const newVariablesArr = variablesTableData.filter(
 			(variable: IDashboardVariable) =>
 				variable.id !== variableToDelete?.current?.id,
@@ -263,7 +265,31 @@ function VariablesSettings({
 
 		const updatedVariables = convertVariablesToDbFormat(newVariablesArr);
 
-		updateVariables(updatedVariables);
+		const cleanedDashboard =
+			removeVariableReferencesFromDashboard(
+				dashboardData,
+				variableToDelete.current.name || '',
+			) || dashboardData;
+
+		updateMutation.mutateAsync(
+			{
+				id: dashboardData.id,
+
+				data: {
+					...cleanedDashboard.data,
+					variables: updatedVariables,
+				},
+			},
+			{
+				onSuccess: (updatedDashboard) => {
+					if (updatedDashboard.data) {
+						setDashboardData(updatedDashboard.data);
+						toast.success(t('variable_updated_successfully'));
+					}
+				},
+			},
+		);
+
 		variableToDelete.current = null;
 		setDeleteVariableModal(false);
 	};
@@ -476,6 +502,7 @@ function VariablesSettings({
 				open={deleteVariableModal}
 				onOk={handleDeleteConfirm}
 				onCancel={handleDeleteCancel}
+				okButtonProps={{ loading: updateMutation.isLoading }}
 			>
 				<Typography.Text>
 					Are you sure you want to delete variable{' '}

frontend/src/container/DashboardContainer/visualization/panels/components/__tests__/TooltipFooter.test.tsx

@@ -1,16 +1,10 @@
+import { logEventMock } from '__tests__/logEventMock';
 import { Events } from 'constants/events';
 import { DEFAULT_PIN_TOOLTIP_KEY } from 'lib/uPlotV2/plugins/TooltipPlugin/types';
 import { render, screen, userEvent } from 'tests/test-utils';
 
 import TooltipFooter from '../TooltipFooter';
 
-const mockLogEvent = jest.fn();
-
-jest.mock('api/common/logEvent', () => ({
-	__esModule: true,
-	default: (...args: unknown[]): unknown => mockLogEvent(...args),
-}));
-
 describe('TooltipFooter', () => {
 	const defaultProps = {
 		id: 'panel-123',
@@ -84,7 +78,7 @@ describe('TooltipFooter', () => {
 
 			await user.click(screen.getByTestId('uplot-tooltip-unpin'));
 
-			expect(mockLogEvent).toHaveBeenCalledWith(Events.TOOLTIP_UNPINNED, {
+			expect(logEventMock).toHaveBeenCalledWith(Events.TOOLTIP_UNPINNED, {
 				id: 'panel-123',
 			});
 			expect(dismiss).toHaveBeenCalledTimes(1);

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

@@ -1,7 +1,6 @@
 import { memo, useEffect, useMemo, useRef, useState } from 'react';
 // eslint-disable-next-line no-restricted-imports
 import { useDispatch, useSelector } from 'react-redux';
-import * as Sentry from '@sentry/react';
 import logEvent from 'api/common/logEvent';
 import { DEFAULT_ENTITY_VERSION, ENTITY_VERSION_V5 } from 'constants/app';
 import { QueryParams } from 'constants/query';
@@ -67,20 +66,6 @@ function GridCardGraph({
 	const [errorMessage, setErrorMessage] = useState<string>();
 	const [isInternalServerError, setIsInternalServerError] =
 		useState<boolean>(false);
-	const queryRangeCalledRef = useRef(false);
-
-	useEffect(() => {
-		const timeoutId = setTimeout(() => {
-			if (!queryRangeCalledRef.current) {
-				Sentry.captureEvent({
-					message: `Dashboard query range not called within expected timeframe for widget ${widget?.id}`,
-					level: 'warning',
-				});
-			}
-		}, 120000);
-		return (): void => clearTimeout(timeoutId);
-	}, [widget?.id]);
-
 	const {
 		minTime,
 		maxTime,
@@ -271,14 +256,12 @@ function GridCardGraph({
 						});
 					}
 				}
-				queryRangeCalledRef.current = true;
 			},
 			onSettled: (data) => {
 				dataAvailable?.(
 					isDataAvailableByPanelType(data?.payload?.data, widget?.panelTypes),
 				);
 				getGraphData?.(data?.payload?.data);
-				queryRangeCalledRef.current = true;
 			},
 		},
 	);

frontend/src/container/ListAlertRules/AlertsEmptyState/AlertsEmptyState.tsx

@@ -89,7 +89,7 @@ export function AlertsEmptyState({
 									onClick={onClickNewAlertHandler}
 									disabled={!addNewAlert}
 									loading={loading}
-									data-testid="add-alert"
+									testId="add-alert"
 								>
 									<span className={styles.buttonContent}>
 										<Plus size="md" />
@@ -97,7 +97,12 @@ export function AlertsEmptyState({
 									</span>
 								</Button>
 								{onRefresh && (
-									<Button onClick={onRefresh} prefix={<RefreshCw />} color="secondary">
+									<Button
+										onClick={onRefresh}
+										prefix={<RefreshCw />}
+										color="secondary"
+										testId="list-alerts-empty-refresh-button"
+									>
 										Refresh
 									</Button>
 								)}

frontend/src/container/ListAlertRules/__tests__/ListAlertRules.actions.test.tsx

@@ -0,0 +1,215 @@
+import userEvent from '@testing-library/user-event';
+import { logEventMock } from '__tests__/logEventMock';
+import { safeNavigateMock } from '__tests__/safeNavigateMock';
+import { server } from 'mocks-server/server';
+import { rest } from 'msw';
+import { screen, waitFor } from 'tests/test-utils';
+
+import { findAlertRow, renderListAlertRules } from './_helpers';
+
+async function openActionsMenu(row: HTMLElement): Promise<void> {
+	const trigger = row.querySelector(
+		'[data-testid="alert-actions"]',
+	) as HTMLElement | null;
+	expect(trigger).not.toBeNull();
+	const user = userEvent.setup({ delay: null });
+	await user.click(trigger as HTMLElement);
+	// Radix renders the menu items in a portal once the trigger is activated.
+	await screen.findByRole('menu');
+}
+
+async function clickMenuItem(label: string): Promise<void> {
+	const user = userEvent.setup({ delay: null });
+	const item = await screen.findByRole('menuitem', { name: label });
+	await user.click(item);
+}
+
+describe('ListAlertRules — actions menu', () => {
+	beforeEach(() => {
+		jest.setSystemTime(new Date('2023-10-20T12:00:00Z'));
+	});
+
+	it('renders Enable/Disable/Edit/Edit in New Tab/Clone/Delete items after opening the menu', async () => {
+		renderListAlertRules();
+		const row = await findAlertRow('High CPU Alert');
+
+		expect(screen.queryByRole('menu')).not.toBeInTheDocument();
+
+		await openActionsMenu(row);
+
+		const items = screen.getAllByRole('menuitem');
+		const labels = items.map((it) => it.textContent);
+		expect(labels).toStrictEqual(
+			expect.arrayContaining([
+				'Edit',
+				'Edit in New Tab',
+				'Clone',
+				'Delete',
+				'Disable',
+			]),
+		);
+	});
+
+	it('disabled rule (rule-4) shows "Enable" instead of "Disable"', async () => {
+		renderListAlertRules();
+		const row = await findAlertRow('Disabled Alert');
+		await openActionsMenu(row);
+
+		const items = screen.getAllByRole('menuitem');
+		const labels = items.map((it) => it.textContent);
+		expect(labels).toContain('Enable');
+		expect(labels).not.toContain('Disable');
+	});
+
+	it('toggle action: clicking Disable sends PATCH with disabled:true', async () => {
+		let capturedBody: unknown = null;
+		let capturedPath: string | null = null;
+		server.use(
+			rest.patch('http://localhost/api/v2/rules/:id', async (req, res, ctx) => {
+				capturedBody = await req.json();
+				capturedPath = req.params.id as string;
+				return res(ctx.status(200), ctx.json({ status: 'success' }));
+			}),
+		);
+
+		renderListAlertRules();
+		const row = await findAlertRow('High CPU Alert');
+		await openActionsMenu(row);
+		await clickMenuItem('Disable');
+
+		await waitFor(() => {
+			expect(capturedBody).toStrictEqual(
+				expect.objectContaining({ disabled: true }),
+			);
+		});
+		expect(capturedPath).toBe('rule-1');
+
+		expect(logEventMock).toHaveBeenCalledWith(
+			'Alert: Action',
+			expect.objectContaining({ action: 'Enable/Disable', ruleId: 'rule-1' }),
+		);
+	});
+
+	it('edit action: clicking Edit navigates via safeNavigate and logs event', async () => {
+		renderListAlertRules();
+		const row = await findAlertRow('High CPU Alert');
+		await openActionsMenu(row);
+		await clickMenuItem('Edit');
+
+		await waitFor(() => {
+			expect(safeNavigateMock).toHaveBeenCalled();
+		});
+		expect(safeNavigateMock.mock.calls[0][0]).toContain('ruleId=rule-1');
+
+		expect(logEventMock).toHaveBeenCalledWith(
+			'Alert: Action',
+			expect.objectContaining({ action: 'Edit', ruleId: 'rule-1' }),
+		);
+	});
+
+	it('edit in new tab action: clicking opens with newTab:true', async () => {
+		renderListAlertRules();
+		const row = await findAlertRow('High CPU Alert');
+		await openActionsMenu(row);
+		await clickMenuItem('Edit in New Tab');
+
+		await waitFor(() => {
+			expect(safeNavigateMock).toHaveBeenCalled();
+		});
+		const [url, options] = safeNavigateMock.mock.calls[0];
+		expect(url).toContain('ruleId=rule-1');
+		expect(options).toStrictEqual(expect.objectContaining({ newTab: true }));
+	});
+
+	it('clone action: sends POST with " - Copy" suffix and opens the cloned rule returned by the API', async () => {
+		let capturedPostBody: unknown = null;
+		server.use(
+			rest.post('http://localhost/api/v2/rules', async (req, res, ctx) => {
+				capturedPostBody = await req.json();
+				return res(
+					ctx.status(201),
+					ctx.json({
+						data: {
+							...(capturedPostBody as Record<string, unknown>),
+							id: 'cloned-from-server',
+						},
+						status: 'success',
+					}),
+				);
+			}),
+		);
+
+		renderListAlertRules();
+		const row = await findAlertRow('High CPU Alert');
+		await openActionsMenu(row);
+		await clickMenuItem('Clone');
+
+		await waitFor(() => {
+			expect(capturedPostBody).toStrictEqual(
+				expect.objectContaining({ alert: 'High CPU Alert - Copy' }),
+			);
+		});
+
+		// The id from the server response round-trips into the navigate URL — this
+		// protects against a regression where the code hardcodes the id.
+		await waitFor(() => {
+			expect(safeNavigateMock).toHaveBeenCalled();
+		});
+		expect(safeNavigateMock.mock.calls[0][0]).toContain(
+			'ruleId=cloned-from-server',
+		);
+
+		expect(logEventMock).toHaveBeenCalledWith(
+			'Alert: Action',
+			expect.objectContaining({ action: 'Clone', ruleId: 'rule-1' }),
+		);
+	});
+
+	it('delete action: sends DELETE for the rule id', async () => {
+		let deletedId: string | null = null;
+		server.use(
+			rest.delete('http://localhost/api/v2/rules/:id', (req, res, ctx) => {
+				deletedId = req.params.id as string;
+				return res(ctx.status(200), ctx.json({ status: 'success' }));
+			}),
+		);
+
+		renderListAlertRules();
+		const row = await findAlertRow('High CPU Alert');
+		await openActionsMenu(row);
+		await clickMenuItem('Delete');
+
+		await waitFor(() => {
+			expect(deletedId).toBe('rule-1');
+		});
+
+		expect(logEventMock).toHaveBeenCalledWith(
+			'Alert: Action',
+			expect.objectContaining({ action: 'Delete', ruleId: 'rule-1' }),
+		);
+	});
+
+	it('error path: PATCH is still attempted when server returns 500', async () => {
+		let patchAttempted = false;
+		server.use(
+			rest.patch('http://localhost/api/v2/rules/:id', (_, res, ctx) => {
+				patchAttempted = true;
+				return res(ctx.status(500), ctx.json({ status: 'error' }));
+			}),
+		);
+
+		renderListAlertRules();
+		const row = await findAlertRow('High CPU Alert');
+		await openActionsMenu(row);
+		await clickMenuItem('Disable');
+
+		await waitFor(() => {
+			expect(patchAttempted).toBe(true);
+		});
+
+		expect(logEventMock).toHaveBeenCalledWith(
+			'Alert: Action',
+			expect.objectContaining({ action: 'Enable/Disable', ruleId: 'rule-1' }),
+		);
+	});
+});

frontend/src/container/ListAlertRules/__tests__/ListAlertRules.columns.test.tsx

@@ -0,0 +1,79 @@
+import userEvent from '@testing-library/user-event';
+import { screen, waitFor } from 'tests/test-utils';
+
+import { renderListAlertRules } from './_helpers';
+
+const COLUMN_STORAGE_KEY = '@signoz/table-columns/alert-rules-columns';
+
+describe('ListAlertRules — columns selector', () => {
+	beforeEach(() => {
+		jest.setSystemTime(new Date('2023-10-20T12:00:00Z'));
+		localStorage.clear();
+	});
+
+	afterEach(() => {
+		localStorage.clear();
+	});
+
+	it('opens columns popover and lists toggleable columns', async () => {
+		const user = userEvent.setup({ delay: null });
+		renderListAlertRules();
+
+		await screen.findByText('High CPU Alert');
+
+		await user.click(screen.getByTestId('alert-columns-button'));
+
+		// Popover should reveal "Toggle Columns" heading + per-column labels.
+		await screen.findByText('Toggle Columns');
+		expect(screen.getByText('Created At')).toBeInTheDocument();
+		expect(screen.getByText('Created By')).toBeInTheDocument();
+		expect(screen.getByText('Updated At')).toBeInTheDocument();
+		expect(screen.getByText('Updated By')).toBeInTheDocument();
+	});
+
+	it('default-hidden columns (Created At/By, Updated At/By) are not in the table header', async () => {
+		renderListAlertRules();
+
+		await screen.findByText('High CPU Alert');
+
+		const headers = document.querySelectorAll('th');
+		const headerTexts = Array.from(headers).map((h) => h.textContent || '');
+		expect(headerTexts.some((t) => t.includes('Created At'))).toBe(false);
+		expect(headerTexts.some((t) => t.includes('Created By'))).toBe(false);
+		expect(headerTexts.some((t) => t.includes('Updated At'))).toBe(false);
+		expect(headerTexts.some((t) => t.includes('Updated By'))).toBe(false);
+	});
+
+	it('toggling Created At on writes to localStorage and adds the header', async () => {
+		const user = userEvent.setup({ delay: null });
+		renderListAlertRules();
+
+		await screen.findByText('High CPU Alert');
+
+		const headersBefore = Array.from(document.querySelectorAll('th')).map(
+			(h) => h.textContent ?? '',
+		);
+		expect(headersBefore.some((t) => t.includes('Created At'))).toBe(false);
+
+		await user.click(screen.getByTestId('alert-columns-button'));
+		await screen.findByText('Toggle Columns');
+
+		const checkbox = document.getElementById('col-createdAt');
+		expect(checkbox).not.toBeNull();
+		await user.click(checkbox as HTMLElement);
+
+		await waitFor(() => {
+			const stored = window.localStorage.getItem(COLUMN_STORAGE_KEY);
+			expect(stored).not.toBeNull();
+			const parsed = JSON.parse(stored as string);
+			expect(parsed.hiddenColumnIds).not.toContain('createdAt');
+		});
+
+		await waitFor(() => {
+			const headersAfter = Array.from(document.querySelectorAll('th')).map(
+				(h) => h.textContent ?? '',
+			);
+			expect(headersAfter.some((t) => t.includes('Created At'))).toBe(true);
+		});
+	});
+});

frontend/src/container/ListAlertRules/__tests__/ListAlertRules.empty.test.tsx

@@ -0,0 +1,91 @@
+import { safeNavigateMock } from '__tests__/safeNavigateMock';
+import userEvent from '@testing-library/user-event';
+import ROUTES from 'constants/routes';
+import { alertRulesFixture } from 'mocks-server/__mockdata__/alert_rules';
+import { server } from 'mocks-server/server';
+import { rest } from 'msw';
+import { screen } from 'tests/test-utils';
+
+import { renderListAlertRules } from './_helpers';
+
+describe('ListAlertRules — empty states', () => {
+	beforeEach(() => {
+		jest.setSystemTime(new Date('2023-10-20T12:00:00Z'));
+	});
+
+	it('renders AlertsEmptyState when API returns no rules', async () => {
+		const user = userEvent.setup({ delay: null });
+
+		server.use(
+			rest.get('http://localhost/api/v2/rules', (_, res, ctx) =>
+				res(ctx.status(200), ctx.json({ data: [], status: 'success' })),
+			),
+		);
+
+		renderListAlertRules();
+
+		await screen.findByText('No Alert rules yet.');
+		expect(
+			screen.getByText('Create an Alert Rule to get started'),
+		).toBeInTheDocument();
+
+		// New Alert Rule button is visible and triggers safeNavigate to ALERTS_NEW.
+		await user.click(screen.getByTestId('add-alert'));
+		expect(safeNavigateMock).toHaveBeenCalledWith(
+			ROUTES.ALERTS_NEW,
+			expect.objectContaining({ newTab: false }),
+		);
+	});
+
+	it('renders ErrorEmptyState when API returns 500; refresh triggers a refetch', async () => {
+		const user = userEvent.setup({ delay: null });
+
+		let callCount = 0;
+		server.use(
+			rest.get('http://localhost/api/v2/rules', (_, res, ctx) => {
+				callCount += 1;
+				if (callCount === 1) {
+					return res(ctx.status(500), ctx.json({ status: 'error' }));
+				}
+				return res(
+					ctx.status(200),
+					ctx.json({ data: alertRulesFixture, status: 'success' }),
+				);
+			}),
+		);
+
+		renderListAlertRules();
+
+		await screen.findByTestId('error-empty-state');
+
+		await user.click(screen.getByTestId('error-refresh-button'));
+
+		const rule = await screen.findByText('High CPU Alert');
+		expect(rule).toBeInTheDocument();
+	});
+
+	it('renders NoResultsEmptyState when search yields no match; Clear Search resets', async () => {
+		const user = userEvent.setup({ delay: null });
+
+		renderListAlertRules();
+
+		await screen.findByText('High CPU Alert');
+
+		const searchInput = screen.getByTestId('list-alerts-search-input');
+		await user.clear(searchInput);
+		await user.type(searchInput, 'totally-not-found');
+
+		await screen.findByTestId('no-results-empty-state');
+		expect(screen.getByTestId('no-results-title')).toHaveTextContent(
+			'No matching alert rules',
+		);
+		expect(screen.getByTestId('no-results-subtitle')).toHaveTextContent(
+			'No alert rules match your search. Try adjusting your search criteria.',
+		);
+
+		await user.click(screen.getByTestId('no-results-clear-button'));
+
+		const rule = await screen.findByText('High CPU Alert');
+		expect(rule).toBeInTheDocument();
+	});
+});

frontend/src/container/ListAlertRules/__tests__/ListAlertRules.list.test.tsx

@@ -0,0 +1,123 @@
+import { screen, waitFor } from 'tests/test-utils';
+
+import { renderListAlertRules } from './_helpers';
+
+describe('ListAlertRules — list rendering', () => {
+	beforeEach(() => {
+		jest.setSystemTime(new Date('2023-10-20T12:00:00Z'));
+	});
+
+	it('renders alert rules from API', async () => {
+		renderListAlertRules();
+
+		await expect(
+			screen.findByTestId('alert-row-rule-1-name'),
+		).resolves.toHaveTextContent('High CPU Alert');
+		expect(screen.getByTestId('alert-row-rule-2-name')).toHaveTextContent(
+			'Memory Pending Alert',
+		);
+		expect(screen.getByTestId('alert-row-rule-3-name')).toHaveTextContent(
+			'Healthy Alert',
+		);
+		expect(screen.getByTestId('alert-row-rule-4-name')).toHaveTextContent(
+			'Disabled Alert',
+		);
+	});
+
+	it('renders state badges via STATE_CONFIG mapping', async () => {
+		renderListAlertRules();
+
+		await waitFor(() =>
+			expect(screen.getByTestId('alert-row-rule-1-state')).toBeInTheDocument(),
+		);
+
+		expect(screen.getByTestId('alert-row-rule-1-state')).toHaveTextContent(
+			'Firing',
+		);
+		expect(screen.getByTestId('alert-row-rule-2-state')).toHaveTextContent(
+			'Pending',
+		);
+		expect(screen.getByTestId('alert-row-rule-3-state')).toHaveTextContent('OK');
+		expect(screen.getByTestId('alert-row-rule-4-state')).toHaveTextContent(
+			'Disabled',
+		);
+		expect(screen.getByTestId('alert-row-rule-5-state')).toHaveTextContent('OK');
+	});
+
+	it('renders state badges with semantic colors', async () => {
+		renderListAlertRules();
+
+		await waitFor(() =>
+			expect(screen.getByTestId('alert-row-rule-1-state')).toBeInTheDocument(),
+		);
+
+		expect(screen.getByTestId('alert-row-rule-1-state')).toHaveAttribute(
+			'data-color',
+			'cherry',
+		);
+		expect(screen.getByTestId('alert-row-rule-2-state')).toHaveAttribute(
+			'data-color',
+			'amber',
+		);
+		expect(screen.getByTestId('alert-row-rule-3-state')).toHaveAttribute(
+			'data-color',
+			'forest',
+		);
+		expect(screen.getByTestId('alert-row-rule-4-state')).toHaveAttribute(
+			'data-color',
+			'vanilla',
+		);
+	});
+
+	it('renders severity badges for rules with severity', async () => {
+		renderListAlertRules();
+
+		await waitFor(() =>
+			expect(screen.getByTestId('alert-row-rule-1-severity')).toBeInTheDocument(),
+		);
+
+		expect(screen.getByTestId('alert-row-rule-1-severity')).toHaveTextContent(
+			'critical',
+		);
+		expect(screen.getByTestId('alert-row-rule-2-severity')).toHaveTextContent(
+			'warning',
+		);
+		expect(screen.getByTestId('alert-row-rule-3-severity')).toHaveTextContent(
+			'info',
+		);
+		expect(screen.getByTestId('alert-row-rule-4-severity')).toHaveTextContent(
+			'critical',
+		);
+		expect(screen.getByTestId('alert-row-rule-5-severity')).toHaveTextContent(
+			'-',
+		);
+		expect(screen.getByTestId('alert-row-rule-1-severity')).toHaveAttribute(
+			'data-color',
+			'cherry',
+		);
+		expect(screen.getByTestId('alert-row-rule-2-severity')).toHaveAttribute(
+			'data-color',
+			'amber',
+		);
+	});
+
+	it('renders header controls (search, columns, new alert)', async () => {
+		renderListAlertRules();
+
+		await waitFor(() =>
+			expect(screen.getByTestId('alert-row-rule-1-name')).toBeInTheDocument(),
+		);
+
+		expect(screen.getByTestId('list-alerts-search-input')).toBeInTheDocument();
+		expect(
+			screen.getByPlaceholderText('Search by Alert Name, Severity and Labels'),
+		).toBeInTheDocument();
+		expect(screen.getByTestId('alert-columns-button')).toBeInTheDocument();
+		expect(
+			screen.getByTestId('list-alerts-new-alert-button'),
+		).toBeInTheDocument();
+		expect(
+			screen.getByRole('button', { name: /new alert/i }),
+		).toBeInTheDocument();
+	});
+});

frontend/src/container/ListAlertRules/__tests__/ListAlertRules.newAlert.test.tsx

@@ -0,0 +1,65 @@
+import { logEventMock } from '__tests__/logEventMock';
+import { safeNavigateMock } from '__tests__/safeNavigateMock';
+import userEvent from '@testing-library/user-event';
+import ROUTES from 'constants/routes';
+import { screen, waitFor } from 'tests/test-utils';
+
+import { renderListAlertRules } from './_helpers';
+
+describe('ListAlertRules — new alert button', () => {
+	beforeEach(() => {
+		jest.setSystemTime(new Date('2023-10-20T12:00:00Z'));
+	});
+
+	it('plain click navigates to ALERTS_NEW with newTab:false', async () => {
+		const user = userEvent.setup({ delay: null });
+		renderListAlertRules();
+
+		await screen.findByText('High CPU Alert');
+
+		await user.click(screen.getByRole('button', { name: /new alert/i }));
+
+		await waitFor(() => {
+			expect(safeNavigateMock).toHaveBeenCalled();
+		});
+		expect(safeNavigateMock).toHaveBeenCalledWith(
+			ROUTES.ALERTS_NEW,
+			expect.objectContaining({ newTab: false }),
+		);
+	});
+
+	it('logs Alert: New alert button clicked', async () => {
+		const user = userEvent.setup({ delay: null });
+		renderListAlertRules();
+
+		await screen.findByText('High CPU Alert');
+
+		await user.click(screen.getByRole('button', { name: /new alert/i }));
+
+		await waitFor(() => {
+			expect(logEventMock).toHaveBeenCalledWith(
+				'Alert: New alert button clicked',
+				expect.objectContaining({ layout: 'new' }),
+			);
+		});
+	});
+
+	it('ctrl+click on New Alert opens in a new tab (newTab:true)', async () => {
+		const user = userEvent.setup({ delay: null });
+		renderListAlertRules();
+
+		await screen.findByText('High CPU Alert');
+
+		await user.keyboard('{Control>}');
+		await user.click(screen.getByRole('button', { name: /new alert/i }));
+		await user.keyboard('{/Control}');
+
+		await waitFor(() => {
+			expect(safeNavigateMock).toHaveBeenCalled();
+		});
+		expect(safeNavigateMock).toHaveBeenCalledWith(
+			ROUTES.ALERTS_NEW,
+			expect.objectContaining({ newTab: true }),
+		);
+	});
+});

frontend/src/container/ListAlertRules/__tests__/ListAlertRules.pagination.test.tsx

@@ -0,0 +1,64 @@
+import userEvent from '@testing-library/user-event';
+import { alertRulesPaginationFixture } from 'mocks-server/__mockdata__/alert_rules';
+import { server } from 'mocks-server/server';
+import { rest } from 'msw';
+import { screen, waitFor } from 'tests/test-utils';
+import { getCurrentNuqsQueryString } from 'tests/nuqs-helpers';
+
+import { renderListAlertRules } from './_helpers';
+
+describe('ListAlertRules — pagination', () => {
+	beforeEach(() => {
+		jest.setSystemTime(new Date('2023-10-20T12:00:00Z'));
+		server.use(
+			rest.get('http://localhost/api/v2/rules', (_, res, ctx) =>
+				res(
+					ctx.status(200),
+					ctx.json({ data: alertRulesPaginationFixture, status: 'success' }),
+				),
+			),
+		);
+	});
+
+	it('shows first 10 rows on page 1 (default limit)', async () => {
+		renderListAlertRules();
+
+		await screen.findByText('Pag Rule 0');
+
+		for (let i = 0; i < 10; i += 1) {
+			expect(screen.getByText(`Pag Rule ${i}`)).toBeInTheDocument();
+		}
+		expect(screen.queryByText('Pag Rule 10')).not.toBeInTheDocument();
+		expect(screen.queryByText('Pag Rule 14')).not.toBeInTheDocument();
+	});
+
+	it('shows total count when showTotalCount is enabled', async () => {
+		renderListAlertRules();
+
+		await screen.findByText('Pag Rule 0');
+
+		const totalCount = await screen.findByTestId('pagination-total-count');
+		expect(totalCount.textContent).toContain('Showing');
+		expect(totalCount.textContent).toContain('of 15');
+	});
+
+	it('navigates to page 2 and shows remaining rows', async () => {
+		const user = userEvent.setup({ delay: null });
+		renderListAlertRules();
+
+		await screen.findByText('Pag Rule 0');
+
+		const nextBtn = screen.getByLabelText('Go to next page');
+		await user.click(nextBtn);
+
+		await waitFor(() => {
+			expect(screen.getByText('Pag Rule 10')).toBeInTheDocument();
+			expect(screen.getByText('Pag Rule 14')).toBeInTheDocument();
+			expect(screen.queryByText('Pag Rule 0')).not.toBeInTheDocument();
+		});
+
+		await waitFor(() => {
+			expect(getCurrentNuqsQueryString()).toContain('page=2');
+		});
+	});
+});

frontend/src/container/ListAlertRules/__tests__/ListAlertRules.permissions.test.tsx

@@ -0,0 +1,71 @@
+import { screen, waitFor } from 'tests/test-utils';
+import { USER_ROLES } from 'types/roles';
+
+import { renderListAlertRules } from './_helpers';
+
+describe('ListAlertRules — permissions', () => {
+	beforeEach(() => {
+		jest.setSystemTime(new Date('2023-10-20T12:00:00Z'));
+	});
+
+	it('VIEWER role hides "New Alert" button and "Actions" column', async () => {
+		renderListAlertRules({ role: USER_ROLES.VIEWER });
+
+		await screen.findByText('High CPU Alert');
+
+		expect(
+			screen.queryByTestId('list-alerts-new-alert-button'),
+		).not.toBeInTheDocument();
+		expect(
+			screen.queryByRole('button', { name: /new alert/i }),
+		).not.toBeInTheDocument();
+
+		const headers = Array.from(document.querySelectorAll('th')).map(
+			(h) => h.textContent ?? '',
+		);
+		expect(headers.some((t) => t.includes('Actions'))).toBe(false);
+		expect(screen.queryByTestId('alert-actions')).not.toBeInTheDocument();
+	});
+
+	it('ADMIN role shows "New Alert" button and "Actions" column', async () => {
+		renderListAlertRules({ role: USER_ROLES.ADMIN });
+
+		await screen.findByText('High CPU Alert');
+
+		expect(
+			screen.getByTestId('list-alerts-new-alert-button'),
+		).toBeInTheDocument();
+		expect(
+			screen.getByRole('button', { name: /new alert/i }),
+		).toBeInTheDocument();
+
+		await waitFor(() => {
+			const headers = Array.from(document.querySelectorAll('th')).map(
+				(h) => h.textContent ?? '',
+			);
+			expect(headers.some((t) => t.includes('Actions'))).toBe(true);
+		});
+		expect(screen.getAllByTestId('alert-actions').length).toBeGreaterThan(0);
+	});
+
+	it('EDITOR role behaves like ADMIN (New Alert + Actions visible)', async () => {
+		renderListAlertRules({ role: USER_ROLES.EDITOR });
+
+		await screen.findByText('High CPU Alert');
+
+		expect(
+			screen.getByTestId('list-alerts-new-alert-button'),
+		).toBeInTheDocument();
+		expect(
+			screen.getByRole('button', { name: /new alert/i }),
+		).toBeInTheDocument();
+
+		await waitFor(() => {
+			const headers = Array.from(document.querySelectorAll('th')).map(
+				(h) => h.textContent ?? '',
+			);
+			expect(headers.some((t) => t.includes('Actions'))).toBe(true);
+		});
+		expect(screen.getAllByTestId('alert-actions').length).toBeGreaterThan(0);
+	});
+});

frontend/src/container/ListAlertRules/__tests__/ListAlertRules.rowClick.test.tsx

@@ -0,0 +1,52 @@
+import { safeNavigateMock } from '__tests__/safeNavigateMock';
+import userEvent from '@testing-library/user-event';
+import { screen, waitFor } from 'tests/test-utils';
+
+import { renderListAlertRules } from './_helpers';
+
+describe('ListAlertRules — row click navigation', () => {
+	beforeEach(() => {
+		jest.setSystemTime(new Date('2023-10-20T12:00:00Z'));
+	});
+
+	it('clicking a row calls safeNavigate to alerts/overview with composite query + ruleId', async () => {
+		const user = userEvent.setup({ delay: null });
+		renderListAlertRules();
+
+		const ruleCell = await screen.findByText('High CPU Alert');
+
+		const td = ruleCell.closest('td');
+		expect(td).not.toBeNull();
+		await user.click(td as HTMLElement);
+
+		await waitFor(() => {
+			expect(safeNavigateMock).toHaveBeenCalled();
+		});
+
+		const [url] = safeNavigateMock.mock.calls[0];
+		expect(url).toContain('/alerts/overview?');
+		expect(url).toContain('ruleId=rule-1');
+		expect(url).toContain('panelTypes=graph');
+		expect(url).toContain('compositeQuery=');
+	});
+
+	it('ctrl+click on a row navigates with newTab option', async () => {
+		const user = userEvent.setup({ delay: null });
+		renderListAlertRules();
+
+		const ruleCell = await screen.findByText('High CPU Alert');
+
+		const td = ruleCell.closest('td');
+		await user.keyboard('{Control>}');
+		await user.click(td as HTMLElement);
+		await user.keyboard('{/Control}');
+
+		await waitFor(() => {
+			expect(safeNavigateMock).toHaveBeenCalled();
+		});
+
+		const [url, options] = safeNavigateMock.mock.calls[0];
+		expect(url).toContain('ruleId=rule-1');
+		expect(options).toStrictEqual(expect.objectContaining({ newTab: true }));
+	});
+});

frontend/src/container/ListAlertRules/__tests__/ListAlertRules.search.test.tsx

@@ -0,0 +1,99 @@
+import userEvent from '@testing-library/user-event';
+import { screen, waitFor } from 'tests/test-utils';
+import { getCurrentNuqsQueryString } from 'tests/nuqs-helpers';
+
+import { renderListAlertRules } from './_helpers';
+
+function getSearchInput(): HTMLInputElement {
+	return screen.getByTestId('list-alerts-search-input') as HTMLInputElement;
+}
+
+describe('ListAlertRules — search', () => {
+	beforeEach(() => {
+		jest.setSystemTime(new Date('2023-10-20T12:00:00Z'));
+	});
+
+	it('filters rows by alert name with debounce', async () => {
+		const user = userEvent.setup({ delay: null });
+		renderListAlertRules();
+
+		await screen.findByText('High CPU Alert');
+
+		await user.clear(getSearchInput());
+		await user.type(getSearchInput(), 'CPU');
+
+		await waitFor(() => {
+			expect(screen.getByText('High CPU Alert')).toBeInTheDocument();
+			expect(screen.queryByText('Memory Pending Alert')).not.toBeInTheDocument();
+		});
+	});
+
+	it('filters rows by label values (severity)', async () => {
+		const user = userEvent.setup({ delay: null });
+		renderListAlertRules();
+
+		await screen.findByText('High CPU Alert');
+
+		await user.clear(getSearchInput());
+		await user.type(getSearchInput(), 'warning');
+
+		await waitFor(() => {
+			expect(screen.getByText('Memory Pending Alert')).toBeInTheDocument();
+			expect(screen.queryByText('High CPU Alert')).not.toBeInTheDocument();
+		});
+	});
+
+	it('restores all rows when search is cleared', async () => {
+		const user = userEvent.setup({ delay: null });
+		renderListAlertRules();
+
+		await screen.findByText('High CPU Alert');
+
+		await user.clear(getSearchInput());
+		await user.type(getSearchInput(), 'CPU');
+
+		await waitFor(() => {
+			expect(screen.queryByText('Memory Pending Alert')).not.toBeInTheDocument();
+		});
+
+		await user.clear(getSearchInput());
+
+		await waitFor(() => {
+			expect(screen.getByText('High CPU Alert')).toBeInTheDocument();
+			expect(screen.getByText('Memory Pending Alert')).toBeInTheDocument();
+			expect(screen.getByText('Healthy Alert')).toBeInTheDocument();
+		});
+	});
+
+	it('shows no-results state when no match', async () => {
+		const user = userEvent.setup({ delay: null });
+		renderListAlertRules();
+
+		await screen.findByText('High CPU Alert');
+
+		await user.clear(getSearchInput());
+		await user.type(getSearchInput(), 'zzzzzz-no-match');
+
+		await waitFor(() => {
+			expect(screen.getByTestId('no-results-empty-state')).toBeInTheDocument();
+			expect(screen.getByTestId('no-results-title')).toHaveTextContent(
+				'No matching alert rules',
+			);
+		});
+	});
+
+	it('resets page to 1 when search debounce fires', async () => {
+		const user = userEvent.setup({ delay: null });
+		renderListAlertRules({ initialRoute: '/?page=2' });
+
+		// Page 2 of the 4-rule fixture has no rows; we only need the search input
+		// to be mounted, which happens before data is fetched.
+		const input = await screen.findByTestId('list-alerts-search-input');
+		await user.clear(input);
+		await user.type(input, 'CPU');
+
+		await waitFor(() => {
+			expect(getCurrentNuqsQueryString()).not.toContain('page=2');
+		});
+	});
+});

frontend/src/container/ListAlertRules/__tests__/ListAlertRules.utils.test.ts

@@ -0,0 +1,232 @@
+import { logEventMock } from '__tests__/logEventMock';
+import { RuletypesAlertStateDTO } from 'api/generated/services/sigNoz.schemas';
+import type { SortState } from 'components/TanStackTableView/types';
+
+import type { AlertRule } from '../types';
+import {
+	ALERT_ACTIONS,
+	alertActionLogEvent,
+	filterRulesByFilters,
+	getAlertSortValue,
+	sortRules,
+} from '../utils';
+
+const baseRule = {
+	id: 'r1',
+	alert: 'Rule 1',
+	alertType: 'METRIC_BASED_ALERT',
+	state: 'inactive',
+	labels: { severity: 'info' },
+	condition: {},
+	createdAt: '2023-10-15T10:00:00Z',
+	updatedAt: '2023-10-19T10:00:00Z',
+} as unknown as AlertRule;
+
+const makeRule = (overrides: Partial<AlertRule>): AlertRule => ({
+	...baseRule,
+	...overrides,
+});
+
+describe('getAlertSortValue', () => {
+	it('returns state for "state"', () => {
+		expect(
+			getAlertSortValue(
+				makeRule({ state: RuletypesAlertStateDTO.firing }),
+				'state',
+			),
+		).toBe('firing');
+	});
+
+	it('returns alert name for "name"', () => {
+		expect(getAlertSortValue(makeRule({ alert: 'My Rule' }), 'name')).toBe(
+			'My Rule',
+		);
+	});
+
+	it('returns severity label for "severity"', () => {
+		expect(
+			getAlertSortValue(
+				makeRule({ labels: { severity: 'critical' } }),
+				'severity',
+			),
+		).toBe('critical');
+	});
+
+	it('returns createdAt as ms', () => {
+		const rule = makeRule({ createdAt: '2023-10-15T10:00:00Z' });
+		const result = getAlertSortValue(rule, 'createdAt');
+		expect(result).toBe(new Date('2023-10-15T10:00:00Z').getTime());
+	});
+
+	it('returns updatedAt as ms', () => {
+		const rule = makeRule({ updatedAt: '2023-10-19T10:00:00Z' });
+		const result = getAlertSortValue(rule, 'updatedAt');
+		expect(result).toBe(new Date('2023-10-19T10:00:00Z').getTime());
+	});
+
+	it('returns 0 when createdAt missing', () => {
+		expect(
+			getAlertSortValue(makeRule({ createdAt: undefined }), 'createdAt'),
+		).toBe(0);
+	});
+
+	it('returns empty for unknown column', () => {
+		expect(getAlertSortValue(baseRule, 'xxx')).toBe('');
+	});
+
+	it('returns empty for missing fields', () => {
+		expect(
+			getAlertSortValue(
+				makeRule({ state: undefined, labels: undefined }),
+				'state',
+			),
+		).toBe('');
+		expect(
+			getAlertSortValue(
+				makeRule({ state: undefined, labels: undefined }),
+				'severity',
+			),
+		).toBe('');
+	});
+});
+
+describe('sortRules', () => {
+	const r1 = makeRule({ id: '1', alert: 'A' });
+	const r2 = makeRule({ id: '2', alert: 'B' });
+	const r3 = makeRule({ id: '3', alert: 'C' });
+
+	it('sorts ascending by name', () => {
+		const order: SortState = { columnName: 'name', order: 'asc' };
+		const result = sortRules([r3, r1, r2], order);
+		expect(result.map((r) => r.alert)).toStrictEqual(['A', 'B', 'C']);
+	});
+
+	it('sorts descending by name', () => {
+		const order: SortState = { columnName: 'name', order: 'desc' };
+		const result = sortRules([r1, r2, r3], order);
+		expect(result.map((r) => r.alert)).toStrictEqual(['C', 'B', 'A']);
+	});
+
+	it('returns unsorted when orderBy is null', () => {
+		const result = sortRules([r3, r1, r2], null);
+		expect(result.map((r) => r.alert)).toStrictEqual(['C', 'A', 'B']);
+	});
+});
+
+describe('filterRulesByFilters', () => {
+	const r1 = makeRule({
+		id: '1',
+		alert: 'R1',
+		state: RuletypesAlertStateDTO.firing,
+		labels: { severity: 'critical' },
+	});
+	const r2 = makeRule({
+		id: '2',
+		alert: 'R2',
+		state: RuletypesAlertStateDTO.inactive,
+		labels: { severity: 'warning' },
+	});
+	const r3 = makeRule({
+		id: '3',
+		alert: 'R3',
+		state: RuletypesAlertStateDTO.firing,
+		labels: { severity: 'warning' },
+	});
+	const rules = [r1, r2, r3];
+
+	it('returns input when filters empty', () => {
+		expect(filterRulesByFilters(rules, [])).toStrictEqual(rules);
+	});
+
+	it('filters by state', () => {
+		const result = filterRulesByFilters(rules, ['state:firing']);
+		expect(result.map((r) => r.id)).toStrictEqual(['1', '3']);
+	});
+
+	it('filters by severity', () => {
+		const result = filterRulesByFilters(rules, ['severity:warning']);
+		expect(result.map((r) => r.id)).toStrictEqual(['2', '3']);
+	});
+
+	it('combines state AND severity', () => {
+		const result = filterRulesByFilters(rules, [
+			'state:firing',
+			'severity:warning',
+		]);
+		expect(result.map((r) => r.id)).toStrictEqual(['3']);
+	});
+
+	it('OR within same key (state)', () => {
+		const result = filterRulesByFilters(rules, [
+			'state:firing',
+			'state:inactive',
+		]);
+		expect(result.map((r) => r.id)).toStrictEqual(['1', '2', '3']);
+	});
+
+	it('matches values case-insensitively', () => {
+		const result = filterRulesByFilters(rules, ['state:FIRING']);
+		expect(result.map((r) => r.id)).toStrictEqual(['1', '3']);
+	});
+
+	it('ignores prefixes with wrong case (state: is required lowercase)', () => {
+		const result = filterRulesByFilters(rules, ['STATE:FIRING']);
+		expect(result).toStrictEqual(rules);
+	});
+
+	it('returns empty when no rule matches', () => {
+		expect(filterRulesByFilters(rules, ['state:nonexistent'])).toStrictEqual([]);
+	});
+
+	it('ignores unknown prefix', () => {
+		expect(filterRulesByFilters(rules, ['foo:bar'])).toStrictEqual(rules);
+	});
+});
+
+describe('alertActionLogEvent', () => {
+	it('logs with mapped action label', () => {
+		const rule = makeRule({
+			id: 'rule-1',
+			alert: 'My Rule',
+			alertType: 'METRIC_BASED_ALERT' as AlertRule['alertType'],
+		});
+		alertActionLogEvent(ALERT_ACTIONS.EDIT, rule);
+		expect(logEventMock).toHaveBeenCalledWith('Alert: Action', {
+			ruleId: 'rule-1',
+			dataSource: expect.any(String),
+			name: 'My Rule',
+			action: 'Edit',
+		});
+	});
+
+	it('falls back to raw action when unmapped', () => {
+		alertActionLogEvent('custom', baseRule);
+		expect(logEventMock).toHaveBeenCalledWith(
+			'Alert: Action',
+			expect.objectContaining({ action: 'custom' }),
+		);
+	});
+
+	it('maps TOGGLE action', () => {
+		alertActionLogEvent(ALERT_ACTIONS.TOGGLE, baseRule);
+		expect(logEventMock).toHaveBeenCalledWith(
+			'Alert: Action',
+			expect.objectContaining({ action: 'Enable/Disable' }),
+		);
+	});
+
+	it('maps DELETE and CLONE', () => {
+		alertActionLogEvent(ALERT_ACTIONS.DELETE, baseRule);
+		alertActionLogEvent(ALERT_ACTIONS.CLONE, baseRule);
+		expect(logEventMock).toHaveBeenNthCalledWith(
+			1,
+			'Alert: Action',
+			expect.objectContaining({ action: 'Delete' }),
+		);
+		expect(logEventMock).toHaveBeenNthCalledWith(
+			2,
+			'Alert: Action',
+			expect.objectContaining({ action: 'Clone' }),
+		);
+	});
+});

frontend/src/container/ListAlertRules/__tests__/_helpers.tsx

@@ -0,0 +1,65 @@
+import { QueryClient, QueryClientProvider } from 'react-query';
+import { MemoryRouter } from 'react-router-dom';
+import { VirtuosoMockContext } from 'react-virtuoso';
+import { render, RenderResult, screen } from '@testing-library/react';
+import ListAlertRules from 'container/ListAlertRules';
+import { NuqsTestingAdapter } from 'nuqs/adapters/testing';
+import { AppContext } from 'providers/App/App';
+import TimezoneProvider from 'providers/Timezone';
+import { onNuqsUrlUpdate, resetNuqsState } from 'tests/nuqs-helpers';
+import { getAppContextMock } from 'tests/test-utils';
+
+interface RenderOptions {
+	role?: string;
+	initialRoute?: string;
+}
+
+export function renderListAlertRules(
+	options: RenderOptions = {},
+): RenderResult {
+	const { role = 'ADMIN', initialRoute = '/' } = options;
+
+	const initialSearch = initialRoute.includes('?')
+		? initialRoute.slice(initialRoute.indexOf('?'))
+		: '';
+	resetNuqsState(initialSearch);
+
+	const queryClient = new QueryClient({
+		defaultOptions: {
+			queries: { refetchOnWindowFocus: false, retry: false },
+			mutations: { retry: false },
+		},
+	});
+
+	return render(
+		<MemoryRouter initialEntries={[initialRoute]}>
+			<NuqsTestingAdapter
+				searchParams={initialSearch}
+				onUrlUpdate={onNuqsUrlUpdate}
+				rateLimitFactor={0}
+				hasMemory
+			>
+				<QueryClientProvider client={queryClient}>
+					<AppContext.Provider value={getAppContextMock(role)}>
+						<TimezoneProvider>
+							<VirtuosoMockContext.Provider
+								value={{ viewportHeight: 800, itemHeight: 46 }}
+							>
+								<ListAlertRules />
+							</VirtuosoMockContext.Provider>
+						</TimezoneProvider>
+					</AppContext.Provider>
+				</QueryClientProvider>
+			</NuqsTestingAdapter>
+		</MemoryRouter>,
+	);
+}
+
+export async function findAlertRow(alertName: string): Promise<HTMLElement> {
+	const cell = await screen.findByText(alertName, {}, { timeout: 5000 });
+	const row = cell.closest('tr');
+	if (!row) {
+		throw new Error(`Row not found for alert "${alertName}"`);
+	}
+	return row as HTMLElement;
+}

frontend/src/container/ListAlertRules/components/ColumnSelector.tsx

@@ -47,6 +47,7 @@ function ColumnSelector<TData>({
 					size="sm"
 					color="secondary"
 					prefix={<Columns3 size={14} />}
+					data-testid="alert-columns-button"
 				>
 					Columns
 				</Button>

frontend/src/container/ListAlertRules/index.tsx

@@ -136,6 +136,7 @@ function ListAlertRules(): JSX.Element {
 								prefix={<Plus size={14} />}
 								onClick={handleNewAlert}
 								color="primary"
+								testId="list-alerts-new-alert-button"
 							>
 								New Alert
 							</Button>
@@ -157,6 +158,7 @@ function ListAlertRules(): JSX.Element {
 						value={searchText}
 						onChange={handleSearchChange}
 						suffix={<Search size={14} className={styles.searchIcon} />}
+						testId="list-alerts-search-input"
 					/>
 				</div>
 			)}

frontend/src/container/ListAlertRules/table.config.tsx

@@ -26,14 +26,18 @@ export function getAlertRuleColumns(
 			enableSort: true,
 			enableRemove: false,
 			enableMove: false,
-			cell: ({ value }): JSX.Element => {
+			cell: ({ row, value }): JSX.Element => {
 				const state = String(value ?? '').toLowerCase();
 				const config = STATE_CONFIG[state] ?? {
 					color: 'secondary' as BadgeColor,
 					label: 'Unknown',
 				};
 				return (
-					<Badge color={config.color} variant="outline">
+					<Badge
+						color={config.color}
+						variant="outline"
+						testId={`alert-row-${row.id ?? ''}-state`}
+					>
 						{config.label}
 					</Badge>
 				);
@@ -47,8 +51,11 @@ export function getAlertRuleColumns(
 			enableSort: true,
 			enableRemove: false,
 			enableMove: false,
-			cell: ({ value }): JSX.Element => (
-				<TanStackTable.Text title={value}>
+			cell: ({ row, value }): JSX.Element => (
+				<TanStackTable.Text
+					title={value}
+					data-testid={`alert-row-${row.id ?? ''}-name`}
+				>
 					{String(value ?? '-')}
 				</TanStackTable.Text>
 			),
@@ -60,15 +67,20 @@ export function getAlertRuleColumns(
 			width: { fixed: '120px' },
 			enableSort: true,
 			enableMove: false,
-			cell: ({ value }): JSX.Element => {
+			cell: ({ row, value }): JSX.Element => {
 				const severity = String(value ?? '').toLowerCase();
 				if (!severity) {
-					return <TanStackTable.Text>-</TanStackTable.Text>;
+					return (
+						<TanStackTable.Text data-testid={`alert-row-${row.id ?? ''}-severity`}>
+							-
+						</TanStackTable.Text>
+					);
 				}
 				return (
 					<Badge
 						color={SEVERITY_BADGE_COLORS[severity] ?? 'secondary'}
 						variant="outline"
+						testId={`alert-row-${row.id ?? ''}-severity`}
 					>
 						{severity}
 					</Badge>

frontend/src/container/ListOfDashboard/DashboardsList.tsx

@@ -232,7 +232,7 @@ function DashboardsList(): JSX.Element {
 		isLocked: !!e.locked || false,
 		lastUpdatedBy: e.updatedBy,
 		image: e.data.image || Base64Icons[0],
-		variables: e.data.variables,
+		variables: e.data.variables ?? {},
 		widgets: e.data.widgets,
 		layout: e.data.layout,
 		panelMap: e.data.panelMap,

frontend/src/container/MCPServerSettings/MCPServerSettings.test.tsx

@@ -1,8 +1,8 @@
+import { logEventMock } from '__tests__/logEventMock';
 import { render, screen, userEvent } from 'tests/test-utils';
 
 import MCPServerSettings from './MCPServerSettings';
 
-const mockLogEvent = jest.fn();
 const mockCopyToClipboard = jest.fn();
 const mockHistoryPush = jest.fn();
 const mockUseGetGlobalConfig = jest.fn();
@@ -11,11 +11,6 @@ const mockUseGetTenantLicense = jest.fn();
 const mockToastSuccess = jest.fn();
 const mockToastWarning = jest.fn();
 
-jest.mock('api/common/logEvent', () => ({
-	__esModule: true,
-	default: (...args: unknown[]): unknown => mockLogEvent(...args),
-}));
-
 jest.mock('api/generated/services/global', () => ({
 	useGetGlobalConfig: (...args: unknown[]): unknown =>
 		mockUseGetGlobalConfig(...args),
@@ -148,7 +143,7 @@ describe('MCPServerSettings', () => {
 
 		render(<MCPServerSettings />, undefined, { role: 'ADMIN' });
 
-		expect(mockLogEvent).toHaveBeenCalledWith('MCP Settings: Page viewed', {
+		expect(logEventMock).toHaveBeenCalledWith('MCP Settings: Page viewed', {
 			role: 'ADMIN',
 		});
 	});

frontend/src/container/MySettings/__tests__/MySettings.test.tsx

@@ -1,5 +1,6 @@
 import userEvent from '@testing-library/user-event';
 import MySettingsContainer from 'container/MySettings';
+import { logEventMock } from '__tests__/logEventMock';
 import {
 	act,
 	fireEvent,
@@ -12,7 +13,6 @@ import APIError from 'types/api/error';
 import { toast } from '@signozhq/ui/sonner';
 
 const toggleThemeFunction = jest.fn();
-const logEventFunction = jest.fn();
 const copyToClipboardFn = jest.fn();
 const editUserFn = jest.fn();
 const updateMyPasswordFn = jest.fn();
@@ -62,11 +62,6 @@ jest.mock('hooks/useDarkMode', () => ({
 	})),
 }));
 
-jest.mock('api/common/logEvent', () => ({
-	__esModule: true,
-	default: jest.fn((eventName, data) => logEventFunction(eventName, data)),
-}));
-
 const errorNotification = jest.fn();
 const successNotification = jest.fn();
 jest.mock('hooks/useNotifications', () => ({
@@ -135,7 +130,7 @@ describe('MySettings Flows', () => {
 
 			await waitFor(() => {
 				expect(toggleThemeFunction).toHaveBeenCalled();
-				expect(logEventFunction).toHaveBeenCalledWith(
+				expect(logEventMock).toHaveBeenCalledWith(
 					'Account Settings: Theme Changed',
 					{
 						theme: 'light',

frontend/src/container/OnboardingQuestionaire/InviteTeamMembers/__tests__/InviteTeamMembers.test.tsx

@@ -9,11 +9,6 @@ import {
 
 import InviteTeamMembers from '../InviteTeamMembers';
 
-jest.mock('api/common/logEvent', () => ({
-	__esModule: true,
-	default: jest.fn(),
-}));
-
 const mockNotificationSuccess = jest.fn() as jest.MockedFunction<
 	(args: { message: string }) => void
 >;

frontend/src/container/OnboardingQuestionaire/__tests__/OnboardingQuestionaire.test.tsx

@@ -4,11 +4,6 @@ import { render, screen, userEvent, waitFor } from 'tests/test-utils';
 import OnboardingQuestionaire from '../index';
 
 // Mock dependencies
-jest.mock('api/common/logEvent', () => ({
-	__esModule: true,
-	default: jest.fn(),
-}));
-
 jest.mock('lib/history', () => ({
 	__esModule: true,
 	default: {

frontend/src/container/PipelinePage/tests/CreatePipelineButton.test.tsx

@@ -4,15 +4,13 @@ import { Provider } from 'react-redux';
 import { MemoryRouter } from 'react-router-dom';
 import { render } from '@testing-library/react';
 import userEvent from '@testing-library/user-event';
-import logEvent from 'api/common/logEvent';
+import { logEventMock } from '__tests__/logEventMock';
 import i18n from 'ReactI18';
 import store from 'store';
 
 import CreatePipelineButton from '../Layouts/Pipeline/CreatePipelineButton';
 import { pipelineApiResponseMockData } from '../mocks/pipeline';
 
-jest.mock('api/common/logEvent');
-
 describe('PipelinePage container test', () => {
 	it('should render CreatePipelineButton section', async () => {
 		const { asFragment } = render(
@@ -53,9 +51,12 @@ describe('PipelinePage container test', () => {
 		expect(editButton).toBeInTheDocument();
 		await userEvent.click(editButton);
 
-		expect(logEvent).toHaveBeenCalledWith('Logs: Pipelines: Entered Edit Mode', {
-			source: 'signoz-ui',
-		});
+		expect(logEventMock).toHaveBeenCalledWith(
+			'Logs: Pipelines: Entered Edit Mode',
+			{
+				source: 'signoz-ui',
+			},
+		);
 	});
 
 	it('CreatePipelineButton - add new mode & tracking', async () => {
@@ -78,7 +79,7 @@ describe('PipelinePage container test', () => {
 		expect(editButton).toBeInTheDocument();
 		await userEvent.click(editButton);
 
-		expect(logEvent).toHaveBeenCalledWith(
+		expect(logEventMock).toHaveBeenCalledWith(
 			'Logs: Pipelines: Clicked Add New Pipeline',
 			{
 				source: 'signoz-ui',

frontend/src/container/TriggeredAlerts/__tests__/TriggeredAlerts.empty.test.tsx

@@ -0,0 +1,118 @@
+import userEvent from '@testing-library/user-event';
+import { safeNavigateMock } from '__tests__/safeNavigateMock';
+import ROUTES from 'constants/routes';
+import { triggeredAlertsFixture } from 'mocks-server/__mockdata__/triggered_alerts';
+import { server } from 'mocks-server/server';
+import { rest } from 'msw';
+import { screen, waitFor } from 'tests/test-utils';
+
+import { renderTriggeredAlerts } from './_helpers';
+
+describe('TriggeredAlerts — empty / error states', () => {
+	it('shows the "No alerts firing" empty state when the API returns []', async () => {
+		server.use(
+			rest.get('http://localhost/api/v1/alerts', (_, res, ctx) =>
+				res(ctx.status(200), ctx.json({ data: [], status: 'success' })),
+			),
+		);
+
+		renderTriggeredAlerts();
+
+		await screen.findByText('No alerts firing');
+		expect(
+			screen.getByTestId('triggered-alerts-empty-create-button'),
+		).toBeInTheDocument();
+		expect(
+			screen.getByTestId('triggered-alerts-empty-refresh-button'),
+		).toBeInTheDocument();
+	});
+
+	it('navigates to ROUTES.ALERTS_NEW when "Create Alert Rule" is clicked', async () => {
+		const user = userEvent.setup({ delay: null });
+		server.use(
+			rest.get('http://localhost/api/v1/alerts', (_, res, ctx) =>
+				res(ctx.status(200), ctx.json({ data: [], status: 'success' })),
+			),
+		);
+
+		renderTriggeredAlerts();
+
+		await screen.findByText('No alerts firing');
+
+		await user.click(screen.getByTestId('triggered-alerts-empty-create-button'));
+		expect(safeNavigateMock).toHaveBeenCalledWith(
+			ROUTES.ALERTS_NEW,
+			expect.objectContaining({ newTab: false }),
+		);
+	});
+
+	it('shows ErrorEmptyState when the API returns 500', async () => {
+		server.use(
+			rest.get('http://localhost/api/v1/alerts', (_, res, ctx) =>
+				res(ctx.status(500)),
+			),
+		);
+
+		renderTriggeredAlerts();
+
+		await screen.findByTestId('error-empty-state');
+		expect(screen.getByTestId('error-refresh-button')).toBeInTheDocument();
+	});
+
+	it('refetches on refresh button click after an initial error', async () => {
+		let callCount = 0;
+		server.use(
+			rest.get('http://localhost/api/v1/alerts', (_, res, ctx) => {
+				callCount += 1;
+				if (callCount === 1) {
+					return res(ctx.status(500));
+				}
+				return res(
+					ctx.status(200),
+					ctx.json({ data: triggeredAlertsFixture, status: 'success' }),
+				);
+			}),
+		);
+
+		const user = userEvent.setup({ delay: null });
+		renderTriggeredAlerts();
+
+		await screen.findByTestId('error-refresh-button');
+
+		await user.click(screen.getByTestId('error-refresh-button'));
+
+		await waitFor(() =>
+			expect(screen.getByText('High CPU Usage')).toBeInTheDocument(),
+		);
+	});
+
+	it('shows NoResultsEmptyState when filters yield zero matches', async () => {
+		const user = userEvent.setup({ delay: null });
+		renderTriggeredAlerts();
+
+		await waitFor(() =>
+			expect(screen.getByText('High CPU Usage')).toBeInTheDocument(),
+		);
+
+		const input = screen.getByTestId('triggered-alerts-search-input');
+		await user.type(input, 'this-matches-nothing-xyz');
+
+		await screen.findByTestId('no-results-empty-state');
+		expect(screen.getByTestId('no-results-title')).toHaveTextContent(
+			'No matching alerts',
+		);
+		expect(screen.getByTestId('no-results-subtitle')).toHaveTextContent(
+			'No alerts match your current filters. Try adjusting your search criteria.',
+		);
+
+		await user.click(screen.getByTestId('no-results-clear-button'));
+
+		await waitFor(() =>
+			expect(screen.getByText('High CPU Usage')).toBeInTheDocument(),
+		);
+		expect(
+			(screen.getByTestId('triggered-alerts-search-input') as HTMLInputElement)
+				.value,
+		).toBe('');
+	});
+});

frontend/src/container/TriggeredAlerts/__tests__/TriggeredAlerts.filter.test.tsx

@@ -0,0 +1,87 @@
+import userEvent from '@testing-library/user-event';
+import { screen, waitFor } from 'tests/test-utils';
+
+import { renderTriggeredAlerts } from './_helpers';
+
+describe('TriggeredAlerts — severity filter', () => {
+	it('filters to only critical-severity rows when "Critical" is selected', async () => {
+		const user = userEvent.setup({ delay: null });
+		renderTriggeredAlerts();
+
+		await waitFor(() =>
+			expect(screen.getByText('High CPU Usage')).toBeInTheDocument(),
+		);
+
+		await user.click(screen.getByTestId('triggered-alerts-filter-combobox'));
+
+		const criticalOption = await screen.findByText(
+			'Critical (severity:critical)',
+		);
+		await user.click(criticalOption);
+
+		await user.keyboard('{Escape}');
+
+		await waitFor(() => {
+			expect(screen.getByText('High CPU Usage')).toBeInTheDocument();
+			expect(screen.queryByText('Memory Warning')).not.toBeInTheDocument();
+			expect(screen.queryByText('Disk Slow')).not.toBeInTheDocument();
+			expect(screen.queryByText('Network Hiccup')).not.toBeInTheDocument();
+		});
+	});
+
+	it('shows union when multiple severities are selected', async () => {
+		const user = userEvent.setup({ delay: null });
+		renderTriggeredAlerts();
+
+		await waitFor(() =>
+			expect(screen.getByText('High CPU Usage')).toBeInTheDocument(),
+		);
+
+		await user.click(screen.getByTestId('triggered-alerts-filter-combobox'));
+		const critical = await screen.findByText('Critical (severity:critical)');
+		await user.click(critical);
+
+		const warning = await screen.findByText('Warning (severity:warning)');
+		await user.click(warning);
+
+		await user.keyboard('{Escape}');
+
+		await waitFor(() => {
+			expect(screen.getByText('High CPU Usage')).toBeInTheDocument();
+			expect(screen.getByText('Memory Warning')).toBeInTheDocument();
+			expect(screen.queryByText('Disk Slow')).not.toBeInTheDocument();
+			expect(screen.queryByText('Network Hiccup')).not.toBeInTheDocument();
+		});
+	});
+
+	it('clearing the filter shows all rows again', async () => {
+		const user = userEvent.setup({ delay: null });
+		renderTriggeredAlerts();
+
+		await waitFor(() =>
+			expect(screen.getByText('High CPU Usage')).toBeInTheDocument(),
+		);
+
+		await user.click(screen.getByTestId('triggered-alerts-filter-combobox'));
+		const critical = await screen.findByText('Critical (severity:critical)');
+		await user.click(critical);
+		await user.keyboard('{Escape}');
+
+		await waitFor(() =>
+			expect(screen.queryByText('Memory Warning')).not.toBeInTheDocument(),
+		);
+
+		// Reopen the filter combobox and deselect Critical (clicking again toggles).
+		await user.click(screen.getByTestId('triggered-alerts-filter-combobox'));
+		const criticalAgain = await screen.findByText('Critical (severity:critical)');
+		await user.click(criticalAgain);
+		await user.keyboard('{Escape}');
+
+		await waitFor(() => {
+			expect(screen.getByText('High CPU Usage')).toBeInTheDocument();
+			expect(screen.getByText('Memory Warning')).toBeInTheDocument();
+			expect(screen.getByText('Disk Slow')).toBeInTheDocument();
+			expect(screen.getByText('Network Hiccup')).toBeInTheDocument();
+		});
+	});
+});

frontend/src/container/TriggeredAlerts/__tests__/TriggeredAlerts.grouping.test.tsx

@@ -0,0 +1,85 @@
+import userEvent from '@testing-library/user-event';
+import { screen, waitFor } from 'tests/test-utils';
+
+import { renderTriggeredAlerts } from './_helpers';
+
+describe('TriggeredAlerts — group by', () => {
+	it('renders a flat table when no group-by is selected', async () => {
+		renderTriggeredAlerts();
+		await waitFor(() =>
+			expect(screen.getByText('High CPU Usage')).toBeInTheDocument(),
+		);
+		// No "Group" column header in flat mode.
+		expect(screen.queryByText('Group')).not.toBeInTheDocument();
+	});
+
+	it('groups by service when "service" is selected', async () => {
+		const user = userEvent.setup({ delay: null });
+		renderTriggeredAlerts();
+
+		await waitFor(() =>
+			expect(screen.getByText('High CPU Usage')).toBeInTheDocument(),
+		);
+
+		await user.click(screen.getByTestId('triggered-alerts-groupby-combobox'));
+
+		const serviceOption = await screen.findByText('service');
+		await user.click(serviceOption);
+		await user.keyboard('{Escape}');
+
+		await waitFor(() => expect(screen.getByText('Group')).toBeInTheDocument());
+
+		await waitFor(() => {
+			expect(screen.getByText('service:frontend')).toBeInTheDocument();
+			expect(screen.getByText('service:backend')).toBeInTheDocument();
+			expect(screen.getByText('service:misc')).toBeInTheDocument();
+		});
+	});
+
+	it('expands and collapses a group row to reveal nested alerts', async () => {
+		const user = userEvent.setup({ delay: null });
+		renderTriggeredAlerts();
+
+		await waitFor(() =>
+			expect(screen.getByText('High CPU Usage')).toBeInTheDocument(),
+		);
+
+		await user.click(screen.getByTestId('triggered-alerts-groupby-combobox'));
+		const serviceOption = await screen.findByText('service');
+		await user.click(serviceOption);
+		await user.keyboard('{Escape}');
+
+		await waitFor(() =>
+			expect(screen.getByText('service:frontend')).toBeInTheDocument(),
+		);
+
+		// Nested rows aren't shown yet.
+		expect(screen.queryByText('High CPU Usage')).not.toBeInTheDocument();
+
+		// The "frontend" group sits first in the table; its expand toggle is the
+		// first `group-expand-toggle` in DOM order. Targeting by testid is safe
+		// against design changes that add other buttons to the row.
+		const expandToggles = screen.getAllByTestId('group-expand-toggle');
+		expect(expandToggles.length).toBeGreaterThan(0);
+		const frontendGroupBadge = screen.getByText('service:frontend');
+		const frontendRow = frontendGroupBadge.closest('tr');
+		expect(frontendRow).not.toBeNull();
+		const frontendToggle = (frontendRow as HTMLElement).querySelector(
+			'[data-testid="group-expand-toggle"]',
+		) as HTMLElement | null;
+		expect(frontendToggle).not.toBeNull();
+
+		await user.click(frontendToggle as HTMLElement);
+
+		await waitFor(() =>
+			expect(screen.getByText('High CPU Usage')).toBeInTheDocument(),
+		);
+		expect(screen.getByText('Disk Slow')).toBeInTheDocument();
+
+		await user.click(frontendToggle as HTMLElement);
+
+		await waitFor(() =>
+			expect(screen.queryByText('High CPU Usage')).not.toBeInTheDocument(),
+		);
+	});
+});

frontend/src/container/TriggeredAlerts/__tests__/TriggeredAlerts.list.test.tsx

@@ -0,0 +1,115 @@
+import { screen, waitFor } from 'tests/test-utils';
+
+import { renderTriggeredAlerts } from './_helpers';
+
+describe('TriggeredAlerts — list rendering', () => {
+	beforeEach(() => {
+		jest.setSystemTime(new Date('2023-10-20T12:00:00Z'));
+	});
+
+	it('renders alerts from the API', async () => {
+		renderTriggeredAlerts();
+
+		await expect(
+			screen.findByTestId('alert-row-fp-critical-1-name'),
+		).resolves.toHaveTextContent('High CPU Usage');
+		expect(screen.getByTestId('alert-row-fp-warning-1-name')).toHaveTextContent(
+			'Memory Warning',
+		);
+		expect(screen.getByTestId('alert-row-fp-info-1-name')).toHaveTextContent(
+			'Disk Slow',
+		);
+	});
+
+	it('renders severity badges for alerts that have severity', async () => {
+		renderTriggeredAlerts();
+
+		await waitFor(() =>
+			expect(
+				screen.getByTestId('alert-row-fp-critical-1-name'),
+			).toBeInTheDocument(),
+		);
+
+		expect(
+			screen.getByTestId('alert-row-fp-critical-1-severity'),
+		).toHaveTextContent('critical');
+		expect(
+			screen.getByTestId('alert-row-fp-warning-1-severity'),
+		).toHaveTextContent('warning');
+		expect(screen.getByTestId('alert-row-fp-info-1-severity')).toHaveTextContent(
+			'info',
+		);
+		expect(
+			screen.getByTestId('alert-row-fp-noseverity-severity'),
+		).toHaveTextContent('-');
+	});
+
+	it('renders status tags reflecting the alert state', async () => {
+		renderTriggeredAlerts();
+
+		await waitFor(() =>
+			expect(
+				screen.getByTestId('alert-row-fp-critical-1-name'),
+			).toBeInTheDocument(),
+		);
+
+		expect(
+			screen.getByTestId('alert-row-fp-critical-1-status'),
+		).toHaveTextContent('Firing');
+		expect(screen.getByTestId('alert-row-fp-info-1-status')).toHaveTextContent(
+			'Unprocessed',
+		);
+		expect(
+			screen.getByTestId('alert-row-fp-suppressed-1-status'),
+		).toHaveTextContent('Suppressed');
+	});
+
+	it('renders status badges with semantic colors', async () => {
+		renderTriggeredAlerts();
+
+		await waitFor(() =>
+			expect(
+				screen.getByTestId('alert-row-fp-critical-1-status'),
+			).toBeInTheDocument(),
+		);
+
+		expect(screen.getByTestId('alert-row-fp-critical-1-status')).toHaveAttribute(
+			'data-color',
+			'cherry',
+		);
+		expect(screen.getByTestId('alert-row-fp-info-1-status')).toHaveAttribute(
+			'data-color',
+			'forest',
+		);
+		expect(
+			screen.getByTestId('alert-row-fp-critical-1-severity'),
+		).toHaveAttribute('data-color', 'cherry');
+		expect(screen.getByTestId('alert-row-fp-warning-1-severity')).toHaveAttribute(
+			'data-color',
+			'amber',
+		);
+	});
+
+	it('renders the search input and filter comboboxes', async () => {
+		renderTriggeredAlerts();
+
+		await waitFor(() =>
+			expect(
+				screen.getByTestId('alert-row-fp-critical-1-name'),
+			).toBeInTheDocument(),
+		);
+
+		expect(
+			screen.getByTestId('triggered-alerts-search-input'),
+		).toBeInTheDocument();
+		expect(
+			screen.getByPlaceholderText('Search alerts by name'),
+		).toBeInTheDocument();
+		expect(
+			screen.getByTestId('triggered-alerts-filter-combobox'),
+		).toBeInTheDocument();
+		expect(
+			screen.getByTestId('triggered-alerts-groupby-combobox'),
+		).toBeInTheDocument();
+	});
+});

frontend/src/container/TriggeredAlerts/__tests__/TriggeredAlerts.pagination.test.tsx

@@ -0,0 +1,76 @@
+import userEvent from '@testing-library/user-event';
+import { triggeredAlertsPaginationFixture } from 'mocks-server/__mockdata__/triggered_alerts';
+import { server } from 'mocks-server/server';
+import { rest } from 'msw';
+import { screen, waitFor } from 'tests/test-utils';
+import { getCurrentNuqsQueryString } from 'tests/nuqs-helpers';
+
+import { renderTriggeredAlerts } from './_helpers';
+
+function usePaginationHandler(): void {
+	server.use(
+		rest.get('http://localhost/api/v1/alerts', (_, res, ctx) =>
+			res(
+				ctx.status(200),
+				ctx.json({
+					data: triggeredAlertsPaginationFixture,
+					status: 'success',
+				}),
+			),
+		),
+	);
+}
+
+describe('TriggeredAlerts — pagination', () => {
+	// Default sort is duration ascending = newest startsAt first. Fixture indices
+	// 0..14 use startsAt 2023-10-01..15, so index 14 (newest) appears first and
+	// index 0 (oldest) appears last. Page 1 (limit 10) = items 14..5. Page 2 = 4..0.
+
+	it('shows the first 10 rows on page 1 by default', async () => {
+		usePaginationHandler();
+		renderTriggeredAlerts();
+
+		await screen.findByText('Pag Alert 14');
+
+		expect(screen.getByText('Pag Alert 5')).toBeInTheDocument();
+		expect(screen.queryByText('Pag Alert 4')).not.toBeInTheDocument();
+		expect(screen.queryByText('Pag Alert 0')).not.toBeInTheDocument();
+	});
+
+	it('renders a "page 2" pagination button reflecting total=15 with pageSize=10', async () => {
+		usePaginationHandler();
+		renderTriggeredAlerts();
+
+		await screen.findByText('Pag Alert 14');
+
+		const nav = screen.getByRole('navigation');
+		const page2 = Array.from(nav.querySelectorAll('button')).find(
+			(b) => b.textContent?.trim() === '2',
+		);
+		expect(page2).toBeDefined();
+	});
+
+	it('navigates to page 2 and shows the next batch of alerts', async () => {
+		usePaginationHandler();
+		const user = userEvent.setup({ delay: null });
+		renderTriggeredAlerts();
+
+		await screen.findByText('Pag Alert 14');
+
+		const nav = screen.getByRole('navigation');
+		const page2Button = Array.from(nav.querySelectorAll('button')).find(
+			(b) => b.textContent?.trim() === '2',
+		);
+		if (!page2Button) {
+			throw new Error('Page 2 button not found');
+		}
+		await user.click(page2Button);
+
+		await waitFor(() =>
+			expect(screen.getByText('Pag Alert 0')).toBeInTheDocument(),
+		);
+		expect(screen.getByText('Pag Alert 4')).toBeInTheDocument();
+		expect(screen.queryByText('Pag Alert 14')).not.toBeInTheDocument();
+		await waitFor(() => expect(getCurrentNuqsQueryString()).toContain('page=2'));
+	});
+});

frontend/src/container/TriggeredAlerts/__tests__/TriggeredAlerts.rowClick.test.tsx

@@ -0,0 +1,143 @@
+import userEvent from '@testing-library/user-event';
+import { logEventMock } from '__tests__/logEventMock';
+import { safeNavigateMock } from '__tests__/safeNavigateMock';
+import { server } from 'mocks-server/server';
+import { rest } from 'msw';
+import { screen, waitFor } from 'tests/test-utils';
+
+import { getTriggeredAlertRowTestId, renderTriggeredAlerts } from './_helpers';
+
+describe('TriggeredAlerts — row click', () => {
+	it('navigates to the alert overview with the rule id from labels on row click', async () => {
+		const user = userEvent.setup({ delay: null });
+		renderTriggeredAlerts();
+
+		await waitFor(() =>
+			expect(
+				screen.getByTestId(getTriggeredAlertRowTestId('fp-critical-1', 'name')),
+			).toBeInTheDocument(),
+		);
+
+		await user.click(
+			screen.getByTestId(getTriggeredAlertRowTestId('fp-critical-1', 'name')),
+		);
+
+		expect(safeNavigateMock).toHaveBeenCalledWith(
+			'/alerts/overview?ruleId=rule-1',
+		);
+		expect(logEventMock).toHaveBeenCalledWith(
+			'Alert: Triggered alert clicked',
+			expect.objectContaining({
+				ruleId: 'rule-1',
+				alertName: 'High CPU Usage',
+			}),
+		);
+	});
+
+	it('opens in a new tab when ctrl+clicked', async () => {
+		const user = userEvent.setup({ delay: null });
+		renderTriggeredAlerts();
+
+		await waitFor(() =>
+			expect(
+				screen.getByTestId(getTriggeredAlertRowTestId('fp-warning-1', 'name')),
+			).toBeInTheDocument(),
+		);
+
+		await user.keyboard('{Control>}');
+		await user.click(
+			screen.getByTestId(getTriggeredAlertRowTestId('fp-warning-1', 'name')),
+		);
+		await user.keyboard('{/Control}');
+
+		expect(safeNavigateMock).toHaveBeenCalledWith(
+			'/alerts/overview?ruleId=rule-2',
+			{ newTab: true },
+		);
+	});
+
+	it('navigates correctly when ruleId is parsed from generatorURL', async () => {
+		// Override fixture so the alert has no labels.ruleId but a valid
+		// generatorURL → getRuleId() falls back to parsing the URL.
+		server.use(
+			rest.get('http://localhost/api/v1/alerts', (_, res, ctx) =>
+				res(
+					ctx.status(200),
+					ctx.json({
+						data: [
+							{
+								fingerprint: 'fp-no-rule-label',
+								startsAt: '2023-10-19T10:00:00Z',
+								endsAt: '0001-01-01T00:00:00Z',
+								updatedAt: '2023-10-20T00:00:00Z',
+								generatorURL: 'http://localhost/alerts/edit?ruleId=rule-from-url',
+								labels: { alertname: 'URL Rule Alert' },
+								annotations: {},
+								status: { state: 'active', silencedBy: [], inhibitedBy: [] },
+								receivers: [],
+							},
+						],
+						status: 'success',
+					}),
+				),
+			),
+		);
+
+		const user = userEvent.setup({ delay: null });
+		renderTriggeredAlerts();
+
+		await waitFor(() =>
+			expect(
+				screen.getByTestId(getTriggeredAlertRowTestId('fp-no-rule-label', 'name')),
+			).toBeInTheDocument(),
+		);
+
+		await user.click(
+			screen.getByTestId(getTriggeredAlertRowTestId('fp-no-rule-label', 'name')),
+		);
+
+		expect(safeNavigateMock).toHaveBeenCalledWith(
+			'/alerts/overview?ruleId=rule-from-url',
+		);
+	});
+
+	it('does not navigate when the row has no ruleId anywhere', async () => {
+		server.use(
+			rest.get('http://localhost/api/v1/alerts', (_, res, ctx) =>
+				res(
+					ctx.status(200),
+					ctx.json({
+						data: [
+							{
+								fingerprint: 'fp-no-rule',
+								startsAt: '2023-10-19T10:00:00Z',
+								endsAt: '0001-01-01T00:00:00Z',
+								updatedAt: '2023-10-20T00:00:00Z',
+								labels: { alertname: 'No Rule Alert' },
+								annotations: {},
+								status: { state: 'active', silencedBy: [], inhibitedBy: [] },
+								receivers: [],
+							},
+						],
+						status: 'success',
+					}),
+				),
+			),
+		);
+
+		const user = userEvent.setup({ delay: null });
+		renderTriggeredAlerts();
+
+		await waitFor(() =>
+			expect(
+				screen.getByTestId(getTriggeredAlertRowTestId('fp-no-rule', 'name')),
+			).toBeInTheDocument(),
+		);
+
+		await user.click(
+			screen.getByTestId(getTriggeredAlertRowTestId('fp-no-rule', 'name')),
+		);
+
+		expect(safeNavigateMock).not.toHaveBeenCalled();
+	});
+});

frontend/src/container/TriggeredAlerts/__tests__/TriggeredAlerts.search.test.tsx

@@ -0,0 +1,118 @@
+import userEvent from '@testing-library/user-event';
+import { screen, waitFor } from 'tests/test-utils';
+
+import { renderTriggeredAlerts } from './_helpers';
+
+describe('TriggeredAlerts — search', () => {
+	it('filters rows by alertname when typing in the search input', async () => {
+		const user = userEvent.setup({ delay: null });
+		renderTriggeredAlerts();
+
+		await waitFor(() =>
+			expect(screen.getByText('High CPU Usage')).toBeInTheDocument(),
+		);
+		expect(screen.getByText('Memory Warning')).toBeInTheDocument();
+
+		const input = screen.getByTestId('triggered-alerts-search-input');
+		await user.type(input, 'CPU');
+
+		await waitFor(() => {
+			expect(screen.getByText('High CPU Usage')).toBeInTheDocument();
+			expect(screen.queryByText('Memory Warning')).not.toBeInTheDocument();
+		});
+	});
+
+	it('shows all rows again when search is cleared', async () => {
+		const user = userEvent.setup({ delay: null });
+		renderTriggeredAlerts();
+
+		await waitFor(() =>
+			expect(screen.getByText('High CPU Usage')).toBeInTheDocument(),
+		);
+
+		const input = screen.getByTestId('triggered-alerts-search-input');
+		await user.type(input, 'CPU');
+
+		await waitFor(() =>
+			expect(screen.queryByText('Memory Warning')).not.toBeInTheDocument(),
+		);
+
+		await user.clear(input);
+
+		await waitFor(() => {
+			expect(screen.getByText('High CPU Usage')).toBeInTheDocument();
+			expect(screen.getByText('Memory Warning')).toBeInTheDocument();
+			expect(screen.getByText('Disk Slow')).toBeInTheDocument();
+		});
+	});
+
+	it('matches rows by label value (case-insensitive)', async () => {
+		const user = userEvent.setup({ delay: null });
+		renderTriggeredAlerts();
+
+		await waitFor(() =>
+			expect(screen.getByText('High CPU Usage')).toBeInTheDocument(),
+		);
+
+		const input = screen.getByTestId('triggered-alerts-search-input');
+		// "backend" matches `service: backend` labels on Memory Warning and Network Hiccup.
+		await user.type(input, 'backend');
+
+		await waitFor(() => {
+			expect(screen.getByText('Memory Warning')).toBeInTheDocument();
+			expect(screen.getByText('Network Hiccup')).toBeInTheDocument();
+			expect(screen.queryByText('High CPU Usage')).not.toBeInTheDocument();
+			expect(screen.queryByText('Disk Slow')).not.toBeInTheDocument();
+		});
+	});
+
+	it('matches rows by label key', async () => {
+		const user = userEvent.setup({ delay: null });
+		renderTriggeredAlerts();
+
+		await waitFor(() =>
+			expect(screen.getByText('High CPU Usage')).toBeInTheDocument(),
+		);
+
+		const input = screen.getByTestId('triggered-alerts-search-input');
+		await user.type(input, 'staging');
+
+		await waitFor(() => {
+			expect(screen.getByText('Disk Slow')).toBeInTheDocument();
+			expect(screen.queryByText('High CPU Usage')).not.toBeInTheDocument();
+			expect(screen.queryByText('Memory Warning')).not.toBeInTheDocument();
+		});
+	});
+
+	it('renders the no-results empty state when the search matches nothing', async () => {
+		const user = userEvent.setup({ delay: null });
+		renderTriggeredAlerts();
+
+		await waitFor(() =>
+			expect(screen.getByText('High CPU Usage')).toBeInTheDocument(),
+		);
+
+		const input = screen.getByTestId('triggered-alerts-search-input');
+		await user.type(input, 'zzzzznever-matches-anything');
+
+		await waitFor(() =>
+			expect(screen.getByTestId('no-results-empty-state')).toBeInTheDocument(),
+		);
+	});
+
+	it('resets pagination to page 1 when the search changes', async () => {
+		const user = userEvent.setup({ delay: null });
+		renderTriggeredAlerts({ initialRoute: '/?page=2&limit=2' });
+
+		await waitFor(() =>
+			expect(screen.getByText('Disk Slow')).toBeInTheDocument(),
+		);
+
+		const input = screen.getByTestId('triggered-alerts-search-input');
+		await user.type(input, 'CPU');
+
+		await waitFor(() =>
+			expect(screen.getByText('High CPU Usage')).toBeInTheDocument(),
+		);
+	});
+});

frontend/src/container/TriggeredAlerts/__tests__/TriggeredAlerts.utils.test.ts

@@ -0,0 +1,181 @@
+import type { SortState } from 'components/TanStackTableView/types';
+
+import type { Alert } from '../types';
+import {
+	getAlertSortValue,
+	getRuleId,
+	normalizeAlerts,
+	sortAlerts,
+} from '../utils';
+
+const alertWithFingerprint: Alert = {
+	fingerprint: 'fp-existing',
+	labels: { alertname: 'Test', severity: 'critical' },
+	annotations: {},
+	startsAt: '2023-10-19T10:00:00Z',
+	endsAt: '0001-01-01T00:00:00Z',
+	status: { state: 'active', silencedBy: [], inhibitedBy: [] },
+	receivers: [],
+};
+
+const alertWithoutFingerprint: Alert = {
+	...alertWithFingerprint,
+	fingerprint: undefined,
+};
+
+describe('normalizeAlerts', () => {
+	it('returns empty array when given undefined', () => {
+		expect(normalizeAlerts(undefined)).toStrictEqual([]);
+	});
+
+	it('preserves existing fingerprints', () => {
+		const result = normalizeAlerts([alertWithFingerprint]);
+		expect(result).toHaveLength(1);
+		expect(result[0].fingerprint).toBe('fp-existing');
+	});
+
+	it('mints fingerprint when missing', () => {
+		const result = normalizeAlerts([alertWithoutFingerprint]);
+		expect(result[0].fingerprint).toBeDefined();
+		expect(typeof result[0].fingerprint).toBe('string');
+		expect(result[0].fingerprint?.length).toBeGreaterThan(0);
+	});
+
+	it('does not mutate the input array', () => {
+		const input = [alertWithFingerprint];
+		const copy = JSON.parse(JSON.stringify(input));
+		normalizeAlerts(input);
+		expect(input).toStrictEqual(copy);
+	});
+});
+
+describe('getAlertSortValue', () => {
+	const alert: Alert = {
+		fingerprint: 'fp',
+		labels: { alertname: 'CPU', severity: 'critical' },
+		annotations: {},
+		startsAt: '2023-10-19T10:00:00Z',
+		endsAt: '0001-01-01T00:00:00Z',
+		status: { state: 'active', silencedBy: [], inhibitedBy: [] },
+		receivers: [],
+	};
+
+	it('returns status.state for "status"', () => {
+		expect(getAlertSortValue(alert, 'status')).toBe('active');
+	});
+
+	it('returns alertname for "alertName"', () => {
+		expect(getAlertSortValue(alert, 'alertName')).toBe('CPU');
+	});
+
+	it('returns severity for "severity"', () => {
+		expect(getAlertSortValue(alert, 'severity')).toBe('critical');
+	});
+
+	it('returns elapsed ms for "firingSince"', () => {
+		const result = getAlertSortValue(alert, 'firingSince');
+		expect(typeof result).toBe('number');
+		expect(result).toBeGreaterThan(0);
+	});
+
+	it('returns elapsed ms for "duration"', () => {
+		const result = getAlertSortValue(alert, 'duration');
+		expect(typeof result).toBe('number');
+	});
+
+	it('returns empty string for unknown columns', () => {
+		expect(getAlertSortValue(alert, 'unknown')).toBe('');
+	});
+
+	it('returns empty string for missing fields', () => {
+		const empty = { ...alert, status: undefined, labels: undefined };
+		expect(getAlertSortValue(empty, 'status')).toBe('');
+		expect(getAlertSortValue(empty, 'alertName')).toBe('');
+		expect(getAlertSortValue(empty, 'severity')).toBe('');
+	});
+
+	it('returns empty for firingSince with no startsAt', () => {
+		const empty = { ...alert, startsAt: undefined };
+		expect(getAlertSortValue(empty, 'firingSince')).toBe('');
+	});
+});
+
+describe('sortAlerts', () => {
+	const a: Alert = {
+		fingerprint: 'a',
+		labels: { alertname: 'A' },
+		annotations: {},
+		startsAt: '2023-10-19T10:00:00Z',
+		endsAt: '0001-01-01T00:00:00Z',
+		status: { state: 'active', silencedBy: [], inhibitedBy: [] },
+		receivers: [],
+	};
+	const b: Alert = { ...a, fingerprint: 'b', labels: { alertname: 'B' } };
+	const c: Alert = { ...a, fingerprint: 'c', labels: { alertname: 'C' } };
+
+	it('sorts ascending when given orderBy', () => {
+		const order: SortState = { columnName: 'alertName', order: 'asc' };
+		const result = sortAlerts([c, a, b], order);
+		expect(result.map((x) => x.labels?.alertname)).toStrictEqual(['A', 'B', 'C']);
+	});
+
+	it('sorts descending', () => {
+		const order: SortState = { columnName: 'alertName', order: 'desc' };
+		const result = sortAlerts([a, b, c], order);
+		expect(result.map((x) => x.labels?.alertname)).toStrictEqual(['C', 'B', 'A']);
+	});
+
+	it('falls back to default duration asc when orderBy is null', () => {
+		const result = sortAlerts([a, b, c], null);
+		expect(result).toHaveLength(3);
+	});
+});
+
+describe('getRuleId', () => {
+	const base: Alert = {
+		labels: {},
+		annotations: {},
+		startsAt: '2023-10-19T10:00:00Z',
+		endsAt: '0001-01-01T00:00:00Z',
+		status: { state: 'active', silencedBy: [], inhibitedBy: [] },
+		receivers: [],
+		fingerprint: 'fp',
+	};
+
+	it('returns labels.ruleId when present', () => {
+		expect(getRuleId({ ...base, labels: { ruleId: 'rule-1' } })).toBe('rule-1');
+	});
+
+	it('falls back to generatorURL when ruleId label missing', () => {
+		expect(
+			getRuleId({
+				...base,
+				generatorURL: 'http://localhost/foo?ruleId=rule-42',
+			}),
+		).toBe('rule-42');
+	});
+
+	it('prefers labels.ruleId over generatorURL', () => {
+		expect(
+			getRuleId({
+				...base,
+				labels: { ruleId: 'from-label' },
+				generatorURL: 'http://localhost/foo?ruleId=from-url',
+			}),
+		).toBe('from-label');
+	});
+
+	it('returns null when generatorURL has no ruleId param', () => {
+		expect(
+			getRuleId({ ...base, generatorURL: 'http://localhost/foo' }),
+		).toBeNull();
+	});
+
+	it('returns null when generatorURL is invalid', () => {
+		expect(getRuleId({ ...base, generatorURL: 'not-a-url' })).toBeNull();
+	});
+
+	it('returns null when no source available', () => {
+		expect(getRuleId(base)).toBeNull();
+	});
+});

frontend/src/container/TriggeredAlerts/__tests__/_helpers.tsx

@@ -0,0 +1,71 @@
+import { QueryClient, QueryClientProvider } from 'react-query';
+import { MemoryRouter } from 'react-router-dom';
+import { VirtuosoMockContext } from 'react-virtuoso';
+import { render, RenderResult, screen } from '@testing-library/react';
+import TriggeredAlerts from 'container/TriggeredAlerts';
+import { NuqsTestingAdapter } from 'nuqs/adapters/testing';
+import { AppContext } from 'providers/App/App';
+import TimezoneProvider from 'providers/Timezone';
+import { onNuqsUrlUpdate, resetNuqsState } from 'tests/nuqs-helpers';
+import { getAppContextMock } from 'tests/test-utils';
+
+interface RenderOptions {
+	initialRoute?: string;
+}
+
+export function renderTriggeredAlerts(
+	options: RenderOptions = {},
+): RenderResult {
+	const { initialRoute = '/' } = options;
+
+	const initialSearch = initialRoute.includes('?')
+		? initialRoute.slice(initialRoute.indexOf('?'))
+		: '';
+	resetNuqsState(initialSearch);
+
+	const queryClient = new QueryClient({
+		defaultOptions: {
+			queries: { refetchOnWindowFocus: false, retry: false },
+			mutations: { retry: false },
+		},
+	});
+
+	return render(
+		<MemoryRouter initialEntries={[initialRoute]}>
+			<NuqsTestingAdapter
+				searchParams={initialSearch}
+				onUrlUpdate={onNuqsUrlUpdate}
+				rateLimitFactor={0}
+				hasMemory
+			>
+				<QueryClientProvider client={queryClient}>
+					<AppContext.Provider value={getAppContextMock('ADMIN')}>
+						<TimezoneProvider>
+							<VirtuosoMockContext.Provider
+								value={{ viewportHeight: 800, itemHeight: 46 }}
+							>
+								<TriggeredAlerts />
+							</VirtuosoMockContext.Provider>
+						</TimezoneProvider>
+					</AppContext.Provider>
+				</QueryClientProvider>
+			</NuqsTestingAdapter>
+		</MemoryRouter>,
+	);
+}
+
+export async function findAlertRow(alertName: string): Promise<HTMLElement> {
+	const cell = await screen.findByText(alertName, {}, { timeout: 5000 });
+	const row = cell.closest('tr');
+	if (!row) {
+		throw new Error(`Row not found for alert "${alertName}"`);
+	}
+	return row as HTMLElement;
+}
+
+export function getTriggeredAlertRowTestId(
+	fingerprint: string,
+	column: 'name' | 'severity' | 'status',
+): string {
+	return `alert-row-${fingerprint}-${column}`;
+}

frontend/src/container/TriggeredAlerts/components/AlertStatusTag.tsx

@@ -2,31 +2,32 @@ import { Badge } from '@signozhq/ui/badge';
 
 interface AlertStatusTagProps {
 	state: string;
+	testId?: string;
 }
 
-function AlertStatusTag({ state }: AlertStatusTagProps): JSX.Element {
+function AlertStatusTag({ state, testId }: AlertStatusTagProps): JSX.Element {
 	switch (state) {
 		case 'unprocessed':
 			return (
-				<Badge color="success" variant="outline">
+				<Badge color="success" variant="outline" testId={testId}>
 					Unprocessed
 				</Badge>
 			);
 		case 'active':
 			return (
-				<Badge color="error" variant="outline">
+				<Badge color="error" variant="outline" testId={testId}>
 					Firing
 				</Badge>
 			);
 		case 'suppressed':
 			return (
-				<Badge color="error" variant="outline">
+				<Badge color="error" variant="outline" testId={testId}>
 					Suppressed
 				</Badge>
 			);
 		default:
 			return (
-				<Badge color="secondary" variant="outline">
+				<Badge color="secondary" variant="outline" testId={testId}>
 					Unknown
 				</Badge>
 			);

frontend/src/container/TriggeredAlerts/components/EmptyStates.tsx

@@ -3,6 +3,7 @@ import { CircleCheck, Plus, RefreshCw } from '@signozhq/icons';
 import { Button } from '@signozhq/ui/button';
 import ROUTES from 'constants/routes';
 import { useSafeNavigate } from 'hooks/useSafeNavigate';
+import { isModifierKeyPressed } from 'utils/app';
 
 import styles from './EmptyStates.module.scss';
 
@@ -13,9 +14,12 @@ interface EmptyStateProps {
 export function EmptyState({ onRefresh }: EmptyStateProps): JSX.Element {
 	const { safeNavigate } = useSafeNavigate();
 
-	const handleCreateAlert = useCallback((): void => {
-		safeNavigate(ROUTES.ALERTS_NEW);
-	}, [safeNavigate]);
+	const handleCreateAlert = useCallback(
+		(e: React.MouseEvent): void => {
+			safeNavigate(ROUTES.ALERTS_NEW, { newTab: isModifierKeyPressed(e) });
+		},
+		[safeNavigate],
+	);
 
 	return (
 		<div className={styles.emptyState}>
@@ -30,6 +34,7 @@ export function EmptyState({ onRefresh }: EmptyStateProps): JSX.Element {
 					color="primary"
 					prefix={<Plus size={14} />}
 					onClick={handleCreateAlert}
+					testId="triggered-alerts-empty-create-button"
 				>
 					Create Alert Rule
 				</Button>
@@ -39,6 +44,7 @@ export function EmptyState({ onRefresh }: EmptyStateProps): JSX.Element {
 						color="secondary"
 						prefix={<RefreshCw size={14} />}
 						onClick={onRefresh}
+						testId="triggered-alerts-empty-refresh-button"
 					>
 						Refresh
 					</Button>

frontend/src/container/TriggeredAlerts/components/GroupTagsCell.tsx

@@ -44,6 +44,7 @@ export function GroupTagsCell({
 				prefix={
 					localIsExpanded ? <ChevronDown size={14} /> : <ChevronRight size={14} />
 				}
+				testId="group-expand-toggle"
 			/>
 			<div className={styles.tagsContainer}>
 				{tags.map((tag) => (

frontend/src/container/TriggeredAlerts/index.tsx

@@ -175,6 +175,7 @@ function TriggeredAlerts(): JSX.Element {
 					value={searchText}
 					onChange={handleSearchChange}
 					suffix={<Search size={14} className={styles.searchIcon} />}
+					testId="triggered-alerts-search-input"
 				/>
 				<ComboboxSimple
 					className={styles.filterSelect}
@@ -186,6 +187,7 @@ function TriggeredAlerts(): JSX.Element {
 					allowCreate
 					items={severyFilters}
 					maxDisplayedPills={2}
+					testId="triggered-alerts-filter-combobox"
 				/>
 				<ComboboxSimple
 					className={styles.filterSelect}
@@ -196,6 +198,7 @@ function TriggeredAlerts(): JSX.Element {
 					items={labelOptions}
 					multiple
 					maxDisplayedPills={2}
+					testId="triggered-alerts-groupby-combobox"
 				/>
 			</div>
 

frontend/src/container/TriggeredAlerts/table.config.tsx

@@ -21,8 +21,11 @@ export function getAlertColumns(
 			width: { fixed: '100px' },
 			enableSort: false,
 			enableMove: false,
-			cell: ({ value }): JSX.Element => (
-				<AlertStatusTag state={String(value ?? '')} />
+			cell: ({ row, value }): JSX.Element => (
+				<AlertStatusTag
+					state={String(value ?? '')}
+					testId={`alert-row-${row.fingerprint ?? ''}-status`}
+				/>
 			),
 		},
 		{
@@ -32,8 +35,11 @@ export function getAlertColumns(
 			width: { default: '100%' },
 			enableSort: true,
 			enableMove: false,
-			cell: ({ value }): JSX.Element => (
-				<TanStackTable.Text title={value}>
+			cell: ({ row, value }): JSX.Element => (
+				<TanStackTable.Text
+					title={value}
+					data-testid={`alert-row-${row.fingerprint ?? ''}-name`}
+				>
 					{String(value ?? '-')}
 				</TanStackTable.Text>
 			),
@@ -45,15 +51,17 @@ export function getAlertColumns(
 			width: { fixed: '120px' },
 			enableSort: true,
 			enableMove: false,
-			cell: ({ value }): JSX.Element => {
+			cell: ({ row, value }): JSX.Element => {
 				const severity = String(value ?? '').toLowerCase();
+				const testId = `alert-row-${row.fingerprint ?? ''}-severity`;
 				if (!severity) {
-					return <TanStackTable.Text>-</TanStackTable.Text>;
+					return <TanStackTable.Text data-testid={testId}>-</TanStackTable.Text>;
 				}
 				return (
 					<Badge
 						color={SEVERITY_BADGE_COLORS[severity] ?? 'secondary'}
 						variant="outline"
+						testId={testId}
 					>
 						{severity}
 					</Badge>

frontend/src/hooks/dashboard/__test__/useTransformDashboardVariables.test.tsx

@@ -71,7 +71,7 @@ describe('useTransformDashboardVariables', () => {
 
 			const result = transformDashboardVariables(dashboard);
 
-			const orders = Object.values(result.data.variables).map((v) => v.order);
+			const orders = Object.values(result.data.variables!).map((v) => v.order);
 			expect(orders).toContain(0);
 			expect(orders).toContain(1);
 		});
@@ -84,7 +84,7 @@ describe('useTransformDashboardVariables', () => {
 
 			const result = transformDashboardVariables(dashboard);
 
-			expect(result.data.variables.v1.order).toBe(5);
+			expect(result.data.variables!.v1.order).toBe(5);
 		});
 
 		it('assigns unique orders across multiple variables that all lack an order', () => {
@@ -97,7 +97,7 @@ describe('useTransformDashboardVariables', () => {
 
 			const result = transformDashboardVariables(dashboard);
 
-			const orders = Object.values(result.data.variables).map((v) => v.order);
+			const orders = Object.values(result.data.variables!).map((v) => v.order);
 			// All three newly assigned orders must be distinct
 			expect(new Set(orders).size).toBe(3);
 		});
@@ -112,7 +112,7 @@ describe('useTransformDashboardVariables', () => {
 
 			const result = transformDashboardVariables(dashboard);
 
-			expect(result.data.variables.v1.id).toMatch(
+			expect(result.data.variables!.v1.id).toMatch(
 				/^[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i,
 			);
 		});
@@ -125,7 +125,7 @@ describe('useTransformDashboardVariables', () => {
 
 			const result = transformDashboardVariables(dashboard);
 
-			expect(result.data.variables.v1.id).toBe('keep-me');
+			expect(result.data.variables!.v1.id).toBe('keep-me');
 		});
 	});
 
@@ -145,7 +145,7 @@ describe('useTransformDashboardVariables', () => {
 
 			const result = transformDashboardVariables(dashboard);
 
-			expect(result.data.variables.v1.defaultValue).toBe('hello');
+			expect(result.data.variables!.v1.defaultValue).toBe('hello');
 		});
 
 		it('does not overwrite an existing defaultValue', () => {
@@ -163,7 +163,7 @@ describe('useTransformDashboardVariables', () => {
 
 			const result = transformDashboardVariables(dashboard);
 
-			expect(result.data.variables.v1.defaultValue).toBe('keep');
+			expect(result.data.variables!.v1.defaultValue).toBe('keep');
 		});
 	});
 
@@ -178,7 +178,7 @@ describe('useTransformDashboardVariables', () => {
 
 			const result = transformDashboardVariables(dashboard);
 
-			expect(result.data.variables.v1.selectedValue).toBe('staging');
+			expect(result.data.variables!.v1.selectedValue).toBe('staging');
 		});
 
 		it('applies localStorage allSelected over DB value', () => {
@@ -196,7 +196,7 @@ describe('useTransformDashboardVariables', () => {
 
 			const result = transformDashboardVariables(dashboard);
 
-			expect(result.data.variables.v1.allSelected).toBe(true);
+			expect(result.data.variables!.v1.allSelected).toBe(true);
 		});
 	});
 
@@ -217,7 +217,7 @@ describe('useTransformDashboardVariables', () => {
 
 			const result = transformDashboardVariables(dashboard);
 
-			expect(result.data.variables.v1.allSelected).toBe(true);
+			expect(result.data.variables!.v1.allSelected).toBe(true);
 		});
 
 		it('sets selectedValue from URL and clears allSelected when showALLOption is true', () => {
@@ -237,8 +237,8 @@ describe('useTransformDashboardVariables', () => {
 
 			const result = transformDashboardVariables(dashboard);
 
-			expect(result.data.variables.v1.selectedValue).toBe('dev');
-			expect(result.data.variables.v1.allSelected).toBe(false);
+			expect(result.data.variables!.v1.selectedValue).toBe('dev');
+			expect(result.data.variables!.v1.allSelected).toBe(false);
 		});
 
 		it('does not set allSelected=false when showALLOption is false', () => {
@@ -258,8 +258,8 @@ describe('useTransformDashboardVariables', () => {
 
 			const result = transformDashboardVariables(dashboard);
 
-			expect(result.data.variables.v1.selectedValue).toBe('dev');
-			expect(result.data.variables.v1.allSelected).toBe(true);
+			expect(result.data.variables!.v1.selectedValue).toBe('dev');
+			expect(result.data.variables!.v1.allSelected).toBe(true);
 		});
 
 		it('normalizes array URL value to single value for single-select variable', () => {
@@ -277,7 +277,7 @@ describe('useTransformDashboardVariables', () => {
 
 			const result = transformDashboardVariables(dashboard);
 
-			expect(result.data.variables.v1.selectedValue).toBe('prod');
+			expect(result.data.variables!.v1.selectedValue).toBe('prod');
 		});
 
 		it('wraps single URL value in array for multi-select variable', () => {
@@ -292,7 +292,7 @@ describe('useTransformDashboardVariables', () => {
 
 			const result = transformDashboardVariables(dashboard);
 
-			expect(result.data.variables.v1.selectedValue).toStrictEqual(['prod']);
+			expect(result.data.variables!.v1.selectedValue).toStrictEqual(['prod']);
 		});
 
 		it('looks up URL variable by variable id when name is absent', () => {
@@ -306,7 +306,7 @@ describe('useTransformDashboardVariables', () => {
 
 			const result = transformDashboardVariables(dashboard);
 
-			expect(result.data.variables.v1.selectedValue).toBe('fallback');
+			expect(result.data.variables!.v1.selectedValue).toBe('fallback');
 		});
 	});
 
@@ -327,11 +327,11 @@ describe('useTransformDashboardVariables', () => {
 			const dashboard = makeDashboard({
 				v1: makeVariable({ id: 'id1', name: 'env', selectedValue: 'prod' }),
 			});
-			const originalValue = dashboard.data.variables.v1.selectedValue;
+			const originalValue = dashboard.data.variables!.v1.selectedValue;
 
 			transformDashboardVariables(dashboard);
 
-			expect(dashboard.data.variables.v1.selectedValue).toBe(originalValue);
+			expect(dashboard.data.variables!.v1.selectedValue).toBe(originalValue);
 		});
 	});
 });

frontend/src/hooks/dashboard/useTransformDashboardVariables.ts

@@ -22,11 +22,12 @@ export function useTransformDashboardVariables(dashboardId: string): Pick<
 		localStorageVariables: any,
 	): Dashboard => {
 		const updatedData = data;
-		if (data && localStorageVariables) {
-			const updatedVariables = data.data.variables;
+		const variables = data?.data?.variables;
+		if (data && localStorageVariables && variables) {
+			const updatedVariables = variables;
 			const variablesFromUrl = getUrlVariables();
-			Object.keys(data.data.variables).forEach((variable) => {
-				const variableData = data.data.variables[variable];
+			Object.keys(variables).forEach((variable) => {
+				const variableData = variables[variable];
 
 				// values from url
 				const urlVariable = variableData?.name
@@ -34,7 +35,7 @@ export function useTransformDashboardVariables(dashboardId: string): Pick<
 					: variablesFromUrl[variableData.id];
 
 				let updatedVariable = {
-					...data.data.variables[variable],
+					...variables[variable],
 					...localStorageVariables[variableData.name as any],
 				};
 

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

@@ -17,11 +17,6 @@ jest.mock('react-redux', () => ({
 	useSelector: jest.fn(),
 }));
 
-jest.mock('api/common/logEvent', () => ({
-	__esModule: true,
-	default: jest.fn(),
-}));
-
 jest.mock('api/dashboard/substitute_vars', () => ({
 	getSubstituteVars: jest.fn(),
 }));

frontend/src/mocks-server/__mockdata__/alert_rules.ts

@@ -0,0 +1,85 @@
+import {
+	RuletypesAlertStateDTO,
+	RuletypesAlertTypeDTO,
+	RuletypesPanelTypeDTO,
+	RuletypesQueryTypeDTO,
+	RuletypesRuleTypeDTO,
+} from 'api/generated/services/sigNoz.schemas';
+import type {
+	RuletypesRuleConditionDTO,
+	RuletypesRuleDTO,
+} from 'api/generated/services/sigNoz.schemas';
+
+const baseCondition: RuletypesRuleConditionDTO = {
+	compositeQuery: {
+		queryType: RuletypesQueryTypeDTO.builder,
+		panelType: RuletypesPanelTypeDTO.graph,
+		queries: null,
+	},
+} as unknown as RuletypesRuleConditionDTO;
+
+const make = (
+	id: string,
+	overrides: Partial<RuletypesRuleDTO>,
+): RuletypesRuleDTO => ({
+	id,
+	alert: `Alert ${id}`,
+	alertType: RuletypesAlertTypeDTO.METRIC_BASED_ALERT,
+	condition: baseCondition,
+	createdAt: '2023-10-15T10:00:00Z',
+	updatedAt: '2023-10-19T10:00:00Z',
+	createdBy: 'alice@signoz.io',
+	updatedBy: 'alice@signoz.io',
+	disabled: false,
+	state: RuletypesAlertStateDTO.inactive,
+	labels: { severity: 'info' },
+	annotations: {},
+	source: '',
+	evalWindow: '5m0s',
+	frequency: '1m0s',
+	ruleType: RuletypesRuleTypeDTO.threshold_rule,
+	...overrides,
+});
+
+export const alertRulesFixture: RuletypesRuleDTO[] = [
+	make('rule-1', {
+		alert: 'High CPU Alert',
+		state: RuletypesAlertStateDTO.firing,
+		labels: { severity: 'critical', team: 'infra' },
+	}),
+	make('rule-2', {
+		alert: 'Memory Pending Alert',
+		state: RuletypesAlertStateDTO.pending,
+		labels: { severity: 'warning', team: 'backend' },
+	}),
+	make('rule-3', {
+		alert: 'Healthy Alert',
+		state: RuletypesAlertStateDTO.inactive,
+		labels: { severity: 'info', team: 'infra' },
+	}),
+	make('rule-4', {
+		alert: 'Disabled Alert',
+		state: RuletypesAlertStateDTO.disabled,
+		disabled: true,
+		labels: { severity: 'critical', team: 'frontend' },
+	}),
+	make('rule-5', {
+		alert: 'No Labels Alert',
+		state: RuletypesAlertStateDTO.inactive,
+		labels: {},
+	}),
+];
+
+export const alertRulesPaginationFixture: RuletypesRuleDTO[] = Array.from(
+	{ length: 15 },
+	(_, i) =>
+		make(`rule-pag-${i}`, {
+			alert: `Pag Rule ${i}`,
+			state:
+				i % 2 === 0
+					? RuletypesAlertStateDTO.firing
+					: RuletypesAlertStateDTO.inactive,
+			labels: { severity: i % 2 === 0 ? 'critical' : 'warning' },
+			createdAt: `2023-10-${String(i + 1).padStart(2, '0')}T10:00:00Z`,
+		}),
+);

frontend/src/mocks-server/__mockdata__/triggered_alerts.ts

@@ -0,0 +1,102 @@
+import type { AlertmanagertypesDeprecatedGettableAlertDTO } from 'api/generated/services/sigNoz.schemas';
+
+export const triggeredAlertsFixture: AlertmanagertypesDeprecatedGettableAlertDTO[] =
+	[
+		{
+			fingerprint: 'fp-critical-1',
+			startsAt: '2023-10-19T10:00:00Z',
+			endsAt: '0001-01-01T00:00:00Z',
+			generatorURL: 'http://localhost/alerts/edit?ruleId=rule-1&panelTypes=graph',
+			labels: {
+				alertname: 'High CPU Usage',
+				severity: 'critical',
+				ruleId: 'rule-1',
+				service: 'frontend',
+				env: 'prod',
+			},
+			annotations: {
+				summary: 'CPU above 90%',
+				description: 'Frontend CPU usage critical',
+			},
+			status: { state: 'active', silencedBy: [], inhibitedBy: [] },
+			receivers: ['slack'],
+		},
+		{
+			fingerprint: 'fp-warning-1',
+			startsAt: '2023-10-19T09:00:00Z',
+			endsAt: '0001-01-01T00:00:00Z',
+			generatorURL: 'http://localhost/alerts/edit?ruleId=rule-2',
+			labels: {
+				alertname: 'Memory Warning',
+				severity: 'warning',
+				ruleId: 'rule-2',
+				service: 'backend',
+				env: 'prod',
+			},
+			annotations: { summary: 'Memory high' },
+			status: { state: 'active', silencedBy: [], inhibitedBy: [] },
+			receivers: ['slack'],
+		},
+		{
+			fingerprint: 'fp-info-1',
+			startsAt: '2023-10-19T08:00:00Z',
+			endsAt: '0001-01-01T00:00:00Z',
+			generatorURL: 'http://localhost/alerts/edit?ruleId=rule-3',
+			labels: {
+				alertname: 'Disk Slow',
+				severity: 'info',
+				ruleId: 'rule-3',
+				service: 'frontend',
+				env: 'staging',
+			},
+			annotations: { summary: 'Disk slow' },
+			status: { state: 'unprocessed', silencedBy: [], inhibitedBy: [] },
+			receivers: ['email'],
+		},
+		{
+			fingerprint: 'fp-suppressed-1',
+			startsAt: '2023-10-19T07:00:00Z',
+			endsAt: '0001-01-01T00:00:00Z',
+			generatorURL: 'http://localhost/alerts/edit?ruleId=rule-4',
+			labels: {
+				alertname: 'Network Hiccup',
+				severity: 'error',
+				ruleId: 'rule-4',
+				service: 'backend',
+				env: 'dev',
+			},
+			annotations: { summary: 'Network errors' },
+			status: { state: 'suppressed', silencedBy: ['s-1'], inhibitedBy: [] },
+			receivers: ['pagerduty'],
+		},
+		{
+			fingerprint: 'fp-noseverity',
+			startsAt: '2023-10-19T06:00:00Z',
+			endsAt: '0001-01-01T00:00:00Z',
+			labels: {
+				alertname: 'Unknown Alert',
+				service: 'misc',
+			},
+			annotations: {},
+			status: { state: 'active', silencedBy: [], inhibitedBy: [] },
+			receivers: [],
+		},
+	];
+
+// Bigger fixture for pagination tests (15 entries → 2 pages at limit=10).
+export const triggeredAlertsPaginationFixture: AlertmanagertypesDeprecatedGettableAlertDTO[] =
+	Array.from({ length: 15 }, (_, i) => ({
+		fingerprint: `fp-pag-${i}`,
+		startsAt: `2023-10-${String(i + 1).padStart(2, '0')}T10:00:00Z`,
+		endsAt: '0001-01-01T00:00:00Z',
+		generatorURL: `http://localhost/alerts/edit?ruleId=rule-pag-${i}`,
+		labels: {
+			alertname: `Pag Alert ${i}`,
+			severity: i % 2 === 0 ? 'critical' : 'warning',
+			ruleId: `rule-pag-${i}`,
+			service: 'frontend',
+		},
+		annotations: {},
+		status: { state: 'active', silencedBy: [], inhibitedBy: [] },
+		receivers: [],
+	}));

frontend/src/mocks-server/handlers.ts

@@ -3,6 +3,8 @@ import { rest } from 'msw';
 import commonEnTranslation from '../../public/locales/en/common.json';
 import enTranslation from '../../public/locales/en/translation.json';
 import { allAlertChannels } from './__mockdata__/alerts';
+import { alertRulesFixture } from './__mockdata__/alert_rules';
+import { triggeredAlertsFixture } from './__mockdata__/triggered_alerts';
 import { billingSuccessResponse } from './__mockdata__/billing';
 import {
 	dashboardSuccessResponse,
@@ -236,6 +238,38 @@ export const handlers = [
 	rest.get('http://localhost/api/v1/channels', (_, res, ctx) =>
 		res(ctx.status(200), ctx.json({ data: allAlertChannels, status: 'success' })),
 	),
+	rest.get('http://localhost/api/v1/alerts', (_, res, ctx) =>
+		res(
+			ctx.status(200),
+			ctx.json({ data: triggeredAlertsFixture, status: 'success' }),
+		),
+	),
+	rest.get('http://localhost/api/v2/rules', (_, res, ctx) =>
+		res(
+			ctx.status(200),
+			ctx.json({ data: alertRulesFixture, status: 'success' }),
+		),
+	),
+	rest.post('http://localhost/api/v2/rules', async (req, res, ctx) => {
+		const body = (await req.json()) as { alert?: string };
+		return res(
+			ctx.status(201),
+			ctx.json({
+				data: {
+					...alertRulesFixture[0],
+					id: 'new-rule-id',
+					alert: body?.alert ?? 'New Rule',
+				},
+				status: 'success',
+			}),
+		);
+	}),
+	rest.patch('http://localhost/api/v2/rules/:id', (_, res, ctx) =>
+		res(ctx.status(200), ctx.json({ status: 'success' })),
+	),
+	rest.delete('http://localhost/api/v2/rules/:id', (_, res, ctx) =>
+		res(ctx.status(200), ctx.json({ status: 'success' })),
+	),
 	rest.delete('http://localhost/api/v1/channels/:id', (_, res, ctx) =>
 		res(
 			ctx.status(200),

frontend/src/pages/DashboardWidget/index.tsx

@@ -86,7 +86,7 @@ function DashboardWidgetInternal({
 			setDashboardData(updatedDashboardData);
 			setDashboardVariablesStore({
 				dashboardId,
-				variables: updatedDashboardData.data.variables,
+				variables: updatedDashboardData.data.variables ?? {},
 			});
 		},
 	});

frontend/src/pages/Settings/__tests__/Settings.test.tsx

@@ -10,11 +10,6 @@ jest.mock('components/MarkdownRenderer/MarkdownRenderer', () => ({
 		children,
 }));
 
-jest.mock('api/common/logEvent', () => ({
-	__esModule: true,
-	default: jest.fn(),
-}));
-
 jest.mock('lib/history', () => ({
 	push: jest.fn(),
 	listen: jest.fn(() => jest.fn()),

frontend/src/pages/SignUp/__tests__/SignUp.test.tsx

@@ -14,11 +14,6 @@ jest.mock('AppRoutes/utils', () => ({
 
 const mockAfterLogin = jest.mocked(afterLogin);
 
-jest.mock('api/common/logEvent', () => ({
-	__esModule: true,
-	default: jest.fn(),
-}));
-
 jest.mock('lib/history', () => ({
 	__esModule: true,
 	default: {

frontend/src/pages/TraceDetailsV3/TraceFlamegraph/__tests__/computeVisualLayout.test.ts

@@ -472,4 +472,98 @@ describe('computeVisualLayout', () => {
 		expect(aRow).toBeGreaterThan(1); // must NOT be at row 1
 		expect(aRow).toBe(3); // next free row after B at row 2 (A overlaps B)
 	});
+
+	// --- Wide-group fast path (> WIDE_GROUP_THRESHOLD siblings) ---
+	// Past the threshold the layout switches to exact overlap-only packing to
+	// avoid the O(N^2) connector-avoidance spiral. These lock in correctness and
+	// the no-overlap invariant at scale.
+
+	function noRowHasOverlap(
+		layout: ReturnType<typeof computeVisualLayout>,
+	): void {
+		for (const row of layout.visualRows) {
+			const sorted = [...row].sort((a, b) => a.timestamp - b.timestamp);
+			for (let i = 1; i < sorted.length; i++) {
+				const prevEnd = sorted[i - 1].timestamp + sorted[i - 1].durationNano / 1e6;
+				expect(sorted[i].timestamp).toBeGreaterThanOrEqual(prevEnd);
+			}
+		}
+	}
+
+	it('should pack thousands of sequential leaf siblings into 1 row (wide path)', () => {
+		const root = makeSpan({ spanId: 'root', timestamp: 0, durationNano: 1e12 });
+		const kids: FlamegraphSpan[] = [];
+		// 2000 strictly sequential (non-overlapping) children
+		for (let i = 0; i < 2000; i++) {
+			kids.push(
+				makeSpan({
+					spanId: `k${i}`,
+					parentSpanId: 'root',
+					timestamp: i * 10,
+					durationNano: 5e6, // 5ms, ends before next starts
+				}),
+			);
+		}
+
+		const layout = computeVisualLayout([[root], kids]);
+
+		expect(layout.spanToVisualRow['root']).toBe(0);
+		expect(layout.totalVisualRows).toBe(2); // all siblings share row 1
+		for (const k of kids) {
+			expect(layout.spanToVisualRow[k.spanId]).toBe(1);
+		}
+		noRowHasOverlap(layout);
+	});
+
+	it('should pack thousands of fully-overlapping leaf siblings without violations (wide path)', () => {
+		const root = makeSpan({ spanId: 'root', timestamp: 0, durationNano: 1e12 });
+		const kids: FlamegraphSpan[] = [];
+		// 1000 children all spanning the same window → each needs its own row
+		for (let i = 0; i < 1000; i++) {
+			kids.push(
+				makeSpan({
+					spanId: `k${i}`,
+					parentSpanId: 'root',
+					timestamp: 0,
+					durationNano: 100e6,
+				}),
+			);
+		}
+
+		const layout = computeVisualLayout([[root], kids]);
+
+		expect(layout.totalVisualRows).toBe(1001); // root + 1000 stacked rows
+		expect(Object.keys(layout.spanToVisualRow)).toHaveLength(1001);
+		noRowHasOverlap(layout);
+	});
+
+	it('should keep non-leaf subtrees adjacent within a wide mixed group (wide path)', () => {
+		const root = makeSpan({ spanId: 'root', timestamp: 0, durationNano: 1e12 });
+		const kids: FlamegraphSpan[] = [];
+		for (let i = 0; i < 1000; i++) {
+			kids.push(
+				makeSpan({
+					spanId: `k${i}`,
+					parentSpanId: 'root',
+					timestamp: i * 10,
+					durationNano: 5e6,
+				}),
+			);
+		}
+		// One of the wide siblings has a child of its own
+		const grandchild = makeSpan({
+			spanId: 'gc',
+			parentSpanId: 'k500',
+			timestamp: 5000,
+			durationNano: 2e6,
+		});
+
+		const layout = computeVisualLayout([[root], kids, [grandchild]]);
+
+		const parentRow = layout.spanToVisualRow['k500'];
+		const gcRow = layout.spanToVisualRow['gc'];
+		expect(gcRow - parentRow).toBe(1); // subtree adjacency preserved
+		expect(Object.keys(layout.spanToVisualRow)).toHaveLength(1002);
+		noRowHasOverlap(layout);
+	});
 });

frontend/src/pages/TraceDetailsV3/TraceFlamegraph/computeVisualLayout.ts

@@ -18,6 +18,81 @@ export interface VisualLayout {
 	totalVisualRows: number;
 }
 
+// Above this many siblings under one parent, the connector-avoidance refinement
+// (Checks 2 & 3) is both visually meaningless — the row is already a dense wall —
+// and quadratic: every child deposits a connector point on each intermediate row,
+// which pushes later children even higher, which deposits more points. That
+// feedback loop inflates a layout needing ~50 rows to thousands and never
+// finishes on wide traces. Past the threshold we pack by overlap only.
+const WIDE_GROUP_THRESHOLD = 512;
+
+/**
+ * Segment tree over rows that answers "lowest row index >= `from` whose smallest
+ * span start-time is >= `end`" in O(log rows). Used to place a large group of
+ * leaf siblings by overlap only: because siblings are processed in descending
+ * start order, every already-placed span on a row starts at or after the current
+ * one, so [start, end] overlaps a row iff some span there starts before `end` —
+ * i.e. the row is free iff its minimum start >= end. Each node stores the max of
+ * its subtree's per-row minimum starts so a free row can be found by descent.
+ */
+class LowestFreeRow {
+	private readonly size: number;
+
+	private readonly tree: Float64Array;
+
+	constructor(rows: number) {
+		let size = 1;
+		while (size < rows) {
+			size *= 2;
+		}
+		this.size = size;
+		this.tree = new Float64Array(size * 2).fill(Infinity);
+	}
+
+	place(row: number, start: number): void {
+		let i = row + this.size;
+		// A row's key is the minimum start among its spans. Children are processed
+		// in descending start order so a leaf's start is the new minimum, but a
+		// non-leaf subtree's descendant can land on a row out of order — take min.
+		if (start >= this.tree[i]) {
+			return;
+		}
+		this.tree[i] = start;
+		for (i >>= 1; i >= 1; i >>= 1) {
+			const next = Math.max(this.tree[2 * i], this.tree[2 * i + 1]);
+			if (this.tree[i] === next) {
+				break;
+			}
+			this.tree[i] = next;
+		}
+	}
+
+	lowestFrom(from: number, end: number): number {
+		return this.descend(1, 0, this.size - 1, from, end);
+	}
+
+	private descend(
+		node: number,
+		lo: number,
+		hi: number,
+		from: number,
+		end: number,
+	): number {
+		if (hi < from || this.tree[node] < end) {
+			return -1;
+		}
+		if (lo === hi) {
+			return lo;
+		}
+		const mid = (lo + hi) >> 1;
+		const left = this.descend(2 * node, lo, mid, from, end);
+		if (left !== -1) {
+			return left;
+		}
+		return this.descend(2 * node + 1, mid + 1, hi, from, end);
+	}
+}
+
 /**
  * Computes an overlap-safe visual layout for flamegraph spans using DFS ordering.
  *
@@ -214,7 +289,53 @@ export function computeVisualLayout(spans: FlamegraphSpan[][]): VisualLayout {
 		arr.push(point);
 	}
 
+	// Fast path for a parent with a very large group of children: pack by overlap
+	// only (descending greedy), skipping the quadratic connector-avoidance that
+	// spirals at this scale. Leaf children — the bulk of a wide trace — are placed
+	// in O(log rows) via the segment tree; the rare non-leaf subtree falls back to
+	// findPlacement against the shared interval map. Both structures are kept in
+	// sync so each placement sees all prior occupancy. Same ShapeEntry[] contract.
+	function computeWideShape(
+		rootSpan: FlamegraphSpan,
+		children: FlamegraphSpan[],
+	): ShapeEntry[] {
+		const shape: ShapeEntry[] = [{ span: rootSpan, relativeRow: 0 }];
+		const localIntervals = new Map<number, Array<[number, number]>>();
+		// Children occupy relative rows 1..children.length in the worst case.
+		const finder = new LowestFreeRow(children.length + 2);
+
+		const occupy = (row: number, span: FlamegraphSpan): void => {
+			const s = span.timestamp;
+			const e = span.timestamp + span.durationNano / 1e6;
+			shape.push({ span, relativeRow: row });
+			addIntervalTo(localIntervals, row, s, e);
+			finder.place(row, s);
+		};
+
+		for (const child of children) {
+			if (childrenMap.has(child.spanId)) {
+				// Non-leaf: place its whole subtree shape as a unit via findPlacement.
+				const childShape = computeSubtreeShape(child);
+				const offset = findPlacement(childShape, 1, localIntervals);
+				for (const entry of childShape) {
+					occupy(entry.relativeRow + offset, entry.span);
+				}
+			} else {
+				const end = child.timestamp + child.durationNano / 1e6;
+				occupy(finder.lowestFrom(1, end), child);
+			}
+		}
+
+		return shape;
+	}
+
 	function computeSubtreeShape(rootSpan: FlamegraphSpan): ShapeEntry[] {
+		const children = childrenMap.get(rootSpan.spanId);
+
+		if (children && children.length > WIDE_GROUP_THRESHOLD) {
+			return computeWideShape(rootSpan, children);
+		}
+
 		const localIntervals = new Map<number, Array<[number, number]>>();
 		const localConnectorPoints = new Map<number, number[]>();
 		const shape: ShapeEntry[] = [];
@@ -225,7 +346,6 @@ export function computeVisualLayout(spans: FlamegraphSpan[][]): VisualLayout {
 		shape.push({ span: rootSpan, relativeRow: 0 });
 		addIntervalTo(localIntervals, 0, rootStart, rootEnd);
 
-		const children = childrenMap.get(rootSpan.spanId);
 		if (children) {
 			for (const child of children) {
 				const childShape = computeSubtreeShape(child);

frontend/src/pages/TraceDetailsV3/TraceFlamegraph/hooks/useVisualLayoutWorker.ts

@@ -94,7 +94,7 @@ export function useVisualLayoutWorker(spans: FlamegraphSpan[][]): {
 			cleanup();
 		};
 
-		// Timeout: if worker doesn't respond in 30s, terminate and error
+		// Timeout: if worker doesn't respond in 15s, terminate and error
 		const WORKER_TIMEOUT_MS = 15000;
 		const timeoutId = setTimeout(() => {
 			if (requestIdRef.current === currentId && isComputingRef.current) {

frontend/src/providers/Dashboard/store/dashboardVariables/__tests__/dashboardVariablesStoreUtils.test.ts

@@ -41,6 +41,20 @@ describe('dashboardVariablesStoreUtils', () => {
 			expect(result).toStrictEqual([]);
 		});
 
+		it('should return empty array when variables is undefined', () => {
+			const result = buildSortedVariablesArray(
+				undefined as unknown as IDashboardVariables,
+			);
+			expect(result).toStrictEqual([]);
+		});
+
+		it('should return empty array when variables is null', () => {
+			const result = buildSortedVariablesArray(
+				null as unknown as IDashboardVariables,
+			);
+			expect(result).toStrictEqual([]);
+		});
+
 		it('should create copies of variables (not references)', () => {
 			const original = createVariable({ name: 'a', order: 0 });
 			const variables: IDashboardVariables = { a: original };

frontend/src/providers/Dashboard/store/dashboardVariables/dashboardVariablesStoreUtils.ts

@@ -17,11 +17,11 @@ import {
  * Build a sorted array of variables by their order property
  */
 export function buildSortedVariablesArray(
-	variables: IDashboardVariables,
+	variables?: IDashboardVariables,
 ): IDashboardVariable[] {
 	const sortedVariablesArray: IDashboardVariable[] = [];
 
-	Object.values(variables).forEach((value) => {
+	Object.values(variables ?? {}).forEach((value) => {
 		sortedVariablesArray.push({ ...value });
 	});
 

frontend/src/tests/nuqs-helpers.ts

@@ -0,0 +1,41 @@
+// Helpers for tests that drive components built with `nuqs`.
+//
+// We replace `NuqsAdapter` (which throttles URL writes to `window.history`)
+// with `NuqsTestingAdapter`. The testing adapter applies URL updates
+// synchronously (`rateLimitFactor: 0`) and stores state in memory
+// (`hasMemory: true`) so subsequent reads see the latest value without any
+// `flushNuqsUrl` sleep. Each test gets a fresh queue because
+// `resetUrlUpdateQueueOnMount` defaults to `true`.
+//
+// Reads on `window.location.search` are no longer authoritative since the
+// adapter does not push to the browser history. Use
+// `getCurrentNuqsQueryString()` (or assert on `lastNuqsUrlUpdate`) instead.
+
+import type { OnUrlUpdateFunction } from 'nuqs/adapters/testing';
+
+let lastUrlUpdate: { searchParams: URLSearchParams; queryString: string } = {
+	searchParams: new URLSearchParams(),
+	queryString: '',
+};
+
+export function resetNuqsState(initialQuery = ''): void {
+	lastUrlUpdate = {
+		searchParams: new URLSearchParams(initialQuery),
+		queryString: initialQuery,
+	};
+}
+
+export const onNuqsUrlUpdate: OnUrlUpdateFunction = (event) => {
+	lastUrlUpdate = {
+		searchParams: event.searchParams,
+		queryString: event.queryString,
+	};
+};
+
+export function getCurrentNuqsQueryString(): string {
+	return lastUrlUpdate.queryString;
+}
+
+export function getCurrentNuqsSearchParams(): URLSearchParams {
+	return lastUrlUpdate.searchParams;
+}

frontend/src/types/api/dashboard/getAll.ts

@@ -95,7 +95,7 @@ export interface DashboardData {
 	title: string;
 	layout?: Layout[];
 	panelMap?: Record<string, { widgets: Layout[]; collapsed: boolean }>;
-	variables: Record<string, IDashboardVariable>;
+	variables?: Record<string, IDashboardVariable>;
 	version?: string;
 	image?: string;
 }