feat(trace-details): show span and error counts in the bottom strip

The page passes the values rather than the strip node fetching them, since the
trace query key includes the selected span and a self-fetching node would issue
a request on every span click. Header counts stay as is.

frontend/src/AppRoutes/index.tsx

@@ -12,13 +12,14 @@ import { CmdKPalette } from 'components/cmdKPalette/cmdKPalette';
 import NotFound from 'components/NotFound';
 import { ShiftHoldOverlayController } from 'components/ShiftOverlay/ShiftHoldOverlayController';
 import Spinner from 'components/Spinner';
-import { FeatureKeys } from 'constants/features';
 import { LOCALSTORAGE } from 'constants/localStorage';
 import ROUTES from 'constants/routes';
 import AppLayout from 'container/AppLayout';
 import Hex from 'crypto-js/enc-hex';
 import HmacSHA256 from 'crypto-js/hmac-sha256';
 import { useIsAIAssistantEnabled } from 'hooks/useIsAIAssistantEnabled';
+import { useSavedViewEnabled } from 'hooks/useSavedViewEnabled';
+import { ChatSupportState, useChatSupport } from 'hooks/useChatSupport';
 import { useIsDarkMode } from 'hooks/useDarkMode';
 import { useGetTenantLicense } from 'hooks/useGetTenantLicense';
 import { StatusCodes } from 'http-status-codes';
@@ -58,7 +59,6 @@ function App(): JSX.Element {
 		isFetchingActiveLicense,
 		activeLicenseFetchError,
 		userFetchError,
-		featureFlagsFetchError,
 		isLoggedIn: isLoggedInState,
 		featureFlags,
 		org,
@@ -66,6 +66,8 @@ function App(): JSX.Element {
 	} = useAppContext();
 	const [routes, setRoutes] = useState<AppRoutes[]>(defaultRoutes);
 	const isAIAssistantEnabled = useIsAIAssistantEnabled();
+	const isSavedViewEnabled = useSavedViewEnabled();
+	const chatSupport = useChatSupport();
 
 	const { hostname } = window.location;
 	const [pathname, setPathname] = useState(history.location.pathname);
@@ -253,7 +255,9 @@ function App(): JSX.Element {
 	}, [isDarkMode]);
 
 	useEffect(() => {
+		// The bottom strip carries Support, so the floating bubble goes entirely.
 		if (
+			isSavedViewEnabled ||
 			pathname === ROUTES.ONBOARDING ||
 			pathname.startsWith('/public/dashboard/') ||
 			pathname === '/ai-assistant' ||
@@ -263,71 +267,32 @@ function App(): JSX.Element {
 		} else {
 			window.Pylon?.('showChatBubble');
 		}
-	}, [pathname]);
+	}, [pathname, isSavedViewEnabled]);
 
-	// eslint-disable-next-line sonarjs/cognitive-complexity
+	// Identity for the Pylon widget. Whether this user gets Pylon at all is
+	// `useChatSupport`'s call — this only fills in who they are.
 	useEffect(() => {
-		// feature flag shouldn't be loading and featureFlags or fetchError any one of this should be true indicating that req is complete
-		// licenses should also be present. there is no check for licenses for loading and error as that is mandatory if not present then routing
-		// to something went wrong which would ideally need a reload.
-		if (
-			!isFetchingFeatureFlags &&
-			(featureFlags || featureFlagsFetchError) &&
-			activeLicense &&
-			trialInfo
-		) {
-			let isChatSupportEnabled = false;
-			let isPremiumSupportEnabled = false;
-			if (featureFlags && featureFlags.length > 0) {
-				isChatSupportEnabled =
-					featureFlags.find((flag) => flag.name === FeatureKeys.CHAT_SUPPORT)
-						?.active || false;
-
-				isPremiumSupportEnabled =
-					featureFlags.find((flag) => flag.name === FeatureKeys.PREMIUM_SUPPORT)
-						?.active || false;
-			}
-			const showAddCreditCardModal =
-				!isPremiumSupportEnabled && !trialInfo?.trialConvertedToSubscription;
-
-			if (
-				isLoggedInState &&
-				isChatSupportEnabled &&
-				!showAddCreditCardModal &&
-				(isCloudUser || isEnterpriseSelfHostedUser) &&
-				window.signozBootData?.settings?.pylon?.enabled
-			) {
-				const email = user.email || '';
-				const secret = window.signozBootData?.settings?.pylon?.identitySecret || '';
-				let emailHash = '';
-
-				if (email && secret) {
-					emailHash = HmacSHA256(email, Hex.parse(secret)).toString(Hex);
-				}
-
-				window.pylon = {
-					chat_settings: {
-						app_id: window.signozBootData?.settings?.pylon?.appId,
-						email: user.email,
-						name: user.displayName || user.email,
-						email_hash: emailHash,
-					},
-				};
-			}
+		if (chatSupport !== ChatSupportState.Pylon) {
+			return;
 		}
-	}, [
-		isLoggedInState,
-		user,
-		pathname,
-		trialInfo?.trialConvertedToSubscription,
-		featureFlags,
-		isFetchingFeatureFlags,
-		featureFlagsFetchError,
-		activeLicense,
-		trialInfo,
-		isCloudUser,
-		isEnterpriseSelfHostedUser,
-	]);
+
+		const email = user.email || '';
+		const secret = window.signozBootData?.settings?.pylon?.identitySecret || '';
+		let emailHash = '';
+
+		if (email && secret) {
+			emailHash = HmacSHA256(email, Hex.parse(secret)).toString(Hex);
+		}
+
+		window.pylon = {
+			chat_settings: {
+				app_id: window.signozBootData?.settings?.pylon?.appId,
+				email: user.email,
+				name: user.displayName || user.email,
+				email_hash: emailHash,
+			},
+		};
+	}, [chatSupport, user]);
 
 	useEffect(() => {
 		if (!isFetchingUser && isCloudUser && user && user.email) {

frontend/src/components/AddCreditCardModal/AddCreditCardModal.tsx

@@ -0,0 +1,103 @@
+import { useMutation } from 'react-query';
+import { Button, Modal } from 'antd';
+import { Typography } from '@signozhq/ui/typography';
+import { createSubscription } from 'api/generated/services/subscriptions';
+import type { CreateSubscription201 } from 'api/generated/services/sigNoz.schemas';
+import { useNotifications } from 'hooks/useNotifications';
+import AuthZTooltip from 'lib/authz/components/AuthZTooltip/AuthZTooltip';
+import { SubscriptionCreatePermission } from 'lib/authz/hooks/useAuthZ/permissions/subscription.permissions';
+import { CreditCard, X } from '@signozhq/icons';
+import APIError from 'types/api/error';
+import { getBaseUrl } from 'utils/basePath';
+
+interface AddCreditCardModalProps {
+	open: boolean;
+	onClose: () => void;
+	onAddCreditCard?: () => void;
+}
+
+/**
+ * Shown to trial users who have not added a card, in place of chat support.
+ * Submitting creates the subscription and opens the returned billing URL.
+ */
+function AddCreditCardModal({
+	open,
+	onClose,
+	onAddCreditCard,
+}: AddCreditCardModalProps): JSX.Element {
+	const { notifications } = useNotifications();
+
+	const handleBillingOnSuccess = (data: CreateSubscription201): void => {
+		if (data?.data?.redirectURL) {
+			const newTab = document.createElement('a');
+			newTab.href = data.data.redirectURL;
+			newTab.target = '_blank';
+			newTab.rel = 'noopener noreferrer';
+			newTab.click();
+		}
+	};
+
+	const handleBillingOnError = (error: APIError): void => {
+		notifications.error({
+			message: error.getErrorCode(),
+			description: error.getErrorMessage(),
+		});
+	};
+
+	const { mutate: updateCreditCard, isLoading: isLoadingBilling } = useMutation(
+		createSubscription,
+		{ onSuccess: handleBillingOnSuccess, onError: handleBillingOnError },
+	);
+
+	const handleAddCreditCard = (): void => {
+		onAddCreditCard?.();
+		updateCreditCard({ url: getBaseUrl() });
+	};
+
+	return (
+		<Modal
+			className="add-credit-card-modal"
+			title={<span className="title">Add Credit Card for Chat Support</span>}
+			open={open}
+			closable
+			onCancel={onClose}
+			destroyOnClose
+			footer={[
+				<Button
+					key="cancel"
+					onClick={onClose}
+					className="cancel-btn"
+					icon={<X size={16} />}
+				>
+					Cancel
+				</Button>,
+				<AuthZTooltip
+					key="submit"
+					checks={[SubscriptionCreatePermission]}
+					withPortal={false}
+				>
+					<Button
+						type="primary"
+						icon={<CreditCard size={16} />}
+						size="middle"
+						loading={isLoadingBilling}
+						disabled={isLoadingBilling}
+						onClick={handleAddCreditCard}
+						className="add-credit-card-btn"
+					>
+						Add Credit Card
+					</Button>
+				</AuthZTooltip>,
+			]}
+		>
+			<Typography.Text className="add-credit-card-text">
+				You&apos;re currently on <span className="highlight-text">Trial plan</span>.
+				Add a credit card to access SigNoz chat support to your workspace.
+			</Typography.Text>
+		</Modal>
+	);
+}
+
+AddCreditCardModal.defaultProps = { onAddCreditCard: undefined };
+
+export default AddCreditCardModal;

frontend/src/components/ChatSupportGateway/ChatSupportGateway.tsx

@@ -1,63 +1,15 @@
 import { useState } from 'react';
-import { useMutation } from 'react-query';
 import { useLocation } from 'react-router-dom';
-import { Button, Modal } from 'antd';
-import { Typography } from '@signozhq/ui/typography';
+import { Button } from 'antd';
+import AddCreditCardModal from 'components/AddCreditCardModal/AddCreditCardModal';
 import logEvent from 'api/common/logEvent';
-import { createSubscription } from 'api/generated/services/subscriptions';
-import type { CreateSubscription201 } from 'api/generated/services/sigNoz.schemas';
-import { useNotifications } from 'hooks/useNotifications';
-import AuthZTooltip from 'lib/authz/components/AuthZTooltip/AuthZTooltip';
-import { SubscriptionCreatePermission } from 'lib/authz/hooks/useAuthZ/permissions/subscription.permissions';
-import { CreditCard, MessageSquareText, X } from '@signozhq/icons';
-import APIError from 'types/api/error';
-import { getBaseUrl } from 'utils/basePath';
+import { MessageSquareText } from '@signozhq/icons';
 
 export default function ChatSupportGateway(): JSX.Element {
-	const { notifications } = useNotifications();
-
 	const [isAddCreditCardModalOpen, setIsAddCreditCardModalOpen] =
 		useState(false);
-
-	const handleBillingOnSuccess = (data: CreateSubscription201): void => {
-		if (data?.data?.redirectURL) {
-			const newTab = document.createElement('a');
-			newTab.href = data.data.redirectURL;
-			newTab.target = '_blank';
-			newTab.rel = 'noopener noreferrer';
-			newTab.click();
-		}
-	};
-
-	const handleBillingOnError = (error: APIError): void => {
-		notifications.error({
-			message: error.getErrorCode(),
-			description: error.getErrorMessage(),
-		});
-	};
-
-	const { mutate: updateCreditCard, isLoading: isLoadingBilling } = useMutation(
-		createSubscription,
-		{
-			onSuccess: (data) => {
-				handleBillingOnSuccess(data);
-			},
-			onError: handleBillingOnError,
-		},
-	);
 	const { pathname } = useLocation();
 
-	const handleAddCreditCard = (): void => {
-		logEvent('Add Credit card modal: Clicked', {
-			source: `chat support icon`,
-			page: pathname,
-		});
-
-		updateCreditCard({
-			url: getBaseUrl(),
-		});
-	};
-
 	return (
 		<>
 			<div className="chat-support-gateway">
@@ -76,47 +28,16 @@ export default function ChatSupportGateway(): JSX.Element {
 				</Button>
 			</div>
 
-			{/* Add Credit Card Modal */}
-			<Modal
-				className="add-credit-card-modal"
-				title={<span className="title">Add Credit Card for Chat Support</span>}
+			<AddCreditCardModal
 				open={isAddCreditCardModalOpen}
-				closable
-				onCancel={(): void => setIsAddCreditCardModalOpen(false)}
-				destroyOnClose
-				footer={[
-					<Button
-						key="cancel"
-						onClick={(): void => setIsAddCreditCardModalOpen(false)}
-						className="cancel-btn"
-						icon={<X size={16} />}
-					>
-						Cancel
-					</Button>,
-					<AuthZTooltip
-						key="submit"
-						checks={[SubscriptionCreatePermission]}
-						withPortal={false}
-					>
-						<Button
-							type="primary"
-							icon={<CreditCard size={16} />}
-							size="middle"
-							loading={isLoadingBilling}
-							disabled={isLoadingBilling}
-							onClick={handleAddCreditCard}
-							className="add-credit-card-btn"
-						>
-							Add Credit Card
-						</Button>
-					</AuthZTooltip>,
-				]}
-			>
-				<Typography.Text className="add-credit-card-text">
-					You&apos;re currently on <span className="highlight-text">Trial plan</span>
-					. Add a credit card to access SigNoz chat support to your workspace.
-				</Typography.Text>
-			</Modal>
+				onClose={(): void => setIsAddCreditCardModalOpen(false)}
+				onAddCreditCard={(): void => {
+					logEvent('Add Credit card modal: Clicked', {
+						source: `chat support icon`,
+						page: pathname,
+					});
+				}}
+			/>
 		</>
 	);
 }

frontend/src/components/LaunchChatSupport/LaunchChatSupport.tsx

@@ -1,22 +1,14 @@
 import { useMemo, useState } from 'react';
-import { useMutation } from 'react-query';
 import { useLocation } from 'react-router-dom';
-import { Button, Modal, Tooltip } from 'antd';
-import { Typography } from '@signozhq/ui/typography';
+import { Button, Tooltip } from 'antd';
+import AddCreditCardModal from 'components/AddCreditCardModal/AddCreditCardModal';
 import logEvent from 'api/common/logEvent';
-import { createSubscription } from 'api/generated/services/subscriptions';
-import type { CreateSubscription201 } from 'api/generated/services/sigNoz.schemas';
 import cx from 'classnames';
 import { FeatureKeys } from 'constants/features';
 import { useGetTenantLicense } from 'hooks/useGetTenantLicense';
-import { useNotifications } from 'hooks/useNotifications';
-import AuthZTooltip from 'lib/authz/components/AuthZTooltip/AuthZTooltip';
-import { SubscriptionCreatePermission } from 'lib/authz/hooks/useAuthZ/permissions/subscription.permissions';
 import { defaultTo } from 'lodash-es';
-import { CircleHelp, CreditCard, X } from '@signozhq/icons';
+import { CircleHelp } from '@signozhq/icons';
 import { useAppContext } from 'providers/App/App';
-import APIError from 'types/api/error';
-import { getBaseUrl } from 'utils/basePath';
 
 import './LaunchChatSupport.styles.scss';
 
@@ -41,7 +33,6 @@ function LaunchChatSupport({
 	chatMessageDisabled = false,
 }: LaunchChatSupportProps): JSX.Element | null {
 	const { isCloudUser: isCloudUserVal } = useGetTenantLicense();
-	const { notifications } = useNotifications();
 	const {
 		trialInfo,
 		featureFlags,
@@ -119,43 +110,12 @@ function LaunchChatSupport({
 		}
 	};
 
-	const handleBillingOnSuccess = (data: CreateSubscription201): void => {
-		if (data?.data?.redirectURL) {
-			const newTab = document.createElement('a');
-			newTab.href = data.data.redirectURL;
-			newTab.target = '_blank';
-			newTab.rel = 'noopener noreferrer';
-			newTab.click();
-		}
-	};
-
-	const handleBillingOnError = (error: APIError): void => {
-		notifications.error({
-			message: error.getErrorCode(),
-			description: error.getErrorMessage(),
-		});
-	};
-
-	const { mutate: updateCreditCard, isLoading: isLoadingBilling } = useMutation(
-		createSubscription,
-		{
-			onSuccess: (data) => {
-				handleBillingOnSuccess(data);
-			},
-			onError: handleBillingOnError,
-		},
-	);
-
 	const handleAddCreditCard = (): void => {
 		logEvent('Add Credit card modal: Clicked', {
 			source: `facing issues button`,
 			page: pathname,
 			...attributes,
 		});
-
-		updateCreditCard({
-			url: getBaseUrl(),
-		});
 	};
 
 	return isCloudUserVal && isChatSupportEnabled ? ( // Note: we would need to move this condition to license based in future
@@ -175,47 +135,11 @@ function LaunchChatSupport({
 				</Button>
 			</Tooltip>
 
-			{/* Add Credit Card Modal */}
-			<Modal
-				className="add-credit-card-modal"
-				title={<span className="title">Add Credit Card for Chat Support</span>}
+			<AddCreditCardModal
 				open={isAddCreditCardModalOpen}
-				closable
-				onCancel={(): void => setIsAddCreditCardModalOpen(false)}
-				destroyOnClose
-				footer={[
-					<Button
-						key="cancel"
-						onClick={(): void => setIsAddCreditCardModalOpen(false)}
-						className="cancel-btn"
-						icon={<X size={16} />}
-					>
-						Cancel
-					</Button>,
-					<AuthZTooltip
-						key="submit"
-						checks={[SubscriptionCreatePermission]}
-						withPortal={false}
-					>
-						<Button
-							type="primary"
-							icon={<CreditCard size={16} />}
-							size="middle"
-							loading={isLoadingBilling}
-							disabled={isLoadingBilling}
-							onClick={handleAddCreditCard}
-							className="add-credit-card-btn"
-						>
-							Add Credit Card
-						</Button>
-					</AuthZTooltip>,
-				]}
-			>
-				<Typography.Text className="add-credit-card-text">
-					You&apos;re currently on <span className="highlight-text">Trial plan</span>
-					. Add a credit card to access SigNoz chat support to your workspace.
-				</Typography.Text>
-			</Modal>
+				onClose={(): void => setIsAddCreditCardModalOpen(false)}
+				onAddCreditCard={handleAddCreditCard}
+			/>
 		</div>
 	) : null;
 }

frontend/src/container/AppLayout/index.tsx

@@ -885,7 +885,7 @@ function AppLayout(props: AppLayoutProps): JSX.Element {
 					)}
 				</Flex>
 
-				{showAddCreditCardModal && <ChatSupportGateway />}
+				{showAddCreditCardModal && !isSavedViewEnabled && <ChatSupportGateway />}
 				{showChangelogModal && changelog && (
 					<ChangelogModal changelog={changelog} onClose={toggleChangelogModal} />
 				)}

frontend/src/container/BottomStrip/AskNoz/AskNoz.module.scss

@@ -0,0 +1,36 @@
+.askNoz {
+	display: flex;
+	align-items: center;
+	flex-shrink: 0;
+}
+
+.badge {
+	flex-shrink: 0;
+	display: inline-flex;
+	line-height: 0;
+	color: var(--accent-primary);
+}
+
+.pulseDot {
+	position: relative;
+	display: inline-flex;
+	align-items: center;
+	justify-content: center;
+	line-height: 0;
+	animation: askNozDotPulse 1.5s ease-in-out infinite;
+	transform: scale(0.8);
+	margin-right: -12px;
+}
+
+@keyframes askNozDotPulse {
+	0%,
+	100% {
+		opacity: 1;
+		transform: scale(1);
+	}
+
+	50% {
+		opacity: 0.35;
+		transform: scale(0.82);
+	}
+}

frontend/src/container/BottomStrip/AskNoz/AskNoz.tsx

@@ -0,0 +1,76 @@
+import { useLocation } from 'react-router-dom';
+import { Button } from '@signozhq/ui/button';
+import { TooltipSimple } from '@signozhq/ui/tooltip';
+import Noz from 'components/Noz/Noz';
+import { NOZ_TOOLTIP_TITLE } from 'components/Noz/Noz.constants';
+import { selectPendingUserInputStreamCount } from 'container/AIAssistant/store/pendingInputSelectors';
+import {
+	openAIAssistant,
+	useAIAssistantStore,
+} from 'container/AIAssistant/store/useAIAssistantStore';
+import { useIsAIAssistantEnabled } from 'hooks/useIsAIAssistantEnabled';
+import ROUTES from 'constants/routes';
+import { Dot } from '@signozhq/icons';
+
+import styles from './AskNoz.module.scss';
+
+/**
+ * Opens the Noz drawer, matching the header entry it replaces. Cmd+K opens the
+ * modal instead; this is deliberately the drawer.
+ *
+ * Carries the header's pending badge: when Noz is blocked on the user
+ * (`awaiting_approval` / `awaiting_clarification`) a dot pulses. Without it,
+ * hiding the header button would remove a notification rather than move it.
+ */
+function AskNoz(): JSX.Element | null {
+	const { pathname } = useLocation();
+	const isAIAssistantEnabled = useIsAIAssistantEnabled();
+	const isDrawerOpen = useAIAssistantStore((state) => state.isDrawerOpen);
+	const isModalOpen = useAIAssistantStore((state) => state.isModalOpen);
+	const pendingUserInputCount = useAIAssistantStore(
+		selectPendingUserInputStreamCount,
+	);
+
+	// Noz is already on screen in the modal, so the "needs you" dot would be noise.
+	const showPendingBadge = pendingUserInputCount > 0 && !isModalOpen;
+
+	// The drawer does not render on the Noz full page, so the button would be inert.
+	const isAIAssistantPage = pathname.startsWith(ROUTES.AI_ASSISTANT_BASE);
+
+	if (!isAIAssistantEnabled || isDrawerOpen || isAIAssistantPage) {
+		return null;
+	}
+
+	return (
+		<div className={styles.askNoz} data-testid="bottom-strip-ask-noz">
+			{showPendingBadge && (
+				<span className={styles.badge} aria-hidden>
+					<span className={styles.pulseDot}>
+						<Dot size={36} />
+					</span>
+				</span>
+			)}
+			<TooltipSimple title={NOZ_TOOLTIP_TITLE}>
+				<Button
+					variant="ghost"
+					color="secondary"
+					size="sm"
+					className="noz-wave"
+					prefix={<Noz size={16} />}
+					onClick={(): void => openAIAssistant()}
+					aria-label={
+						showPendingBadge
+							? `Ask Noz, ${pendingUserInputCount} ${
+									pendingUserInputCount === 1 ? 'action needs' : 'actions need'
+								} your response`
+							: 'Ask Noz'
+					}
+				>
+					Ask Noz
+				</Button>
+			</TooltipSimple>
+		</div>
+	);
+}
+
+export default AskNoz;

frontend/src/container/BottomStrip/AskNoz/__tests__/AskNoz.test.tsx

@@ -0,0 +1,133 @@
+import { fireEvent } from '@testing-library/react';
+import { openAIAssistant } from 'container/AIAssistant/store/useAIAssistantStore';
+import { useIsAIAssistantEnabled } from 'hooks/useIsAIAssistantEnabled';
+import { render } from 'tests/test-utils';
+
+import AskNoz from '../AskNoz';
+
+jest.mock('hooks/useIsAIAssistantEnabled');
+jest.mock('container/AIAssistant/store/useAIAssistantStore', () => ({
+	openAIAssistant: jest.fn(),
+	useAIAssistantStore: jest.fn(),
+}));
+
+const mockEnabled = useIsAIAssistantEnabled as jest.MockedFunction<
+	typeof useIsAIAssistantEnabled
+>;
+const mockOpen = openAIAssistant as jest.MockedFunction<typeof openAIAssistant>;
+
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+const { useAIAssistantStore } = jest.requireMock(
+	'container/AIAssistant/store/useAIAssistantStore',
+) as { useAIAssistantStore: jest.Mock };
+
+/** The component reads the store through three separate selector calls. */
+function mockStore({
+	isDrawerOpen = false,
+	isModalOpen = false,
+	pendingCount = 0,
+}: {
+	isDrawerOpen?: boolean;
+	isModalOpen?: boolean;
+	pendingCount?: number;
+} = {}): void {
+	const state = { isDrawerOpen, isModalOpen, streams: {} };
+	useAIAssistantStore.mockImplementation((selector: (s: unknown) => unknown) => {
+		const picked = selector(state);
+		// `selectPendingUserInputStreamCount` walks `streams`, which is empty here,
+		// so stand in the count we want to assert against.
+		return typeof picked === 'number' ? pendingCount : picked;
+	});
+}
+
+// `TooltipSimple` replaces its trigger's props, so the testId lives on the
+// wrapper and the button itself is reached by role — there is only ever one.
+const SLOT = 'bottom-strip-ask-noz';
+
+describe('AskNoz', () => {
+	beforeEach(() => {
+		jest.clearAllMocks();
+		mockEnabled.mockReturnValue(true);
+		mockStore();
+	});
+
+	describe('visibility', () => {
+		it('renders when the assistant is enabled', () => {
+			const { getByRole } = render(<AskNoz />);
+
+			expect(getByRole('button')).toBeInTheDocument();
+		});
+
+		it('renders nothing when the assistant is disabled', () => {
+			mockEnabled.mockReturnValue(false);
+
+			const { queryByTestId } = render(<AskNoz />);
+
+			expect(queryByTestId(SLOT)).not.toBeInTheDocument();
+		});
+
+		it('renders nothing while the drawer is open', () => {
+			mockStore({ isDrawerOpen: true });
+
+			const { queryByTestId } = render(<AskNoz />);
+
+			expect(queryByTestId(SLOT)).not.toBeInTheDocument();
+		});
+
+		it('renders nothing on the Noz full page, where the drawer does not mount', () => {
+			const { queryByTestId } = render(<AskNoz />, undefined, {
+				initialRoute: '/ai-assistant/some-conversation-id',
+			});
+
+			expect(queryByTestId(SLOT)).not.toBeInTheDocument();
+		});
+	});
+
+	describe('what it does', () => {
+		it('opens the drawer on click', () => {
+			const { getByRole } = render(<AskNoz />);
+
+			fireEvent.click(getByRole('button'));
+
+			expect(mockOpen).toHaveBeenCalledTimes(1);
+		});
+	});
+
+	describe('pending badge', () => {
+		it('announces the count when Noz is waiting on the user', () => {
+			mockStore({ pendingCount: 2 });
+
+			const { getByRole } = render(<AskNoz />);
+
+			expect(getByRole('button')).toHaveAttribute(
+				'aria-label',
+				'Ask Noz, 2 actions need your response',
+			);
+		});
+
+		it('uses the singular for one pending action', () => {
+			mockStore({ pendingCount: 1 });
+
+			const { getByRole } = render(<AskNoz />);
+
+			expect(getByRole('button')).toHaveAttribute(
+				'aria-label',
+				'Ask Noz, 1 action needs your response',
+			);
+		});
+
+		it('stays quiet when nothing is pending', () => {
+			const { getByRole } = render(<AskNoz />);
+
+			expect(getByRole('button')).toHaveAttribute('aria-label', 'Ask Noz');
+		});
+
+		it('stays quiet while the modal is open, Noz is already on screen', () => {
+			mockStore({ isModalOpen: true, pendingCount: 3 });
+
+			const { getByRole } = render(<AskNoz />);
+
+			expect(getByRole('button')).toHaveAttribute('aria-label', 'Ask Noz');
+		});
+	});
+});

frontend/src/container/BottomStrip/BottomStrip.module.scss

@@ -11,6 +11,8 @@
 	background: var(--l2-background);
 	border-top: 1px solid var(--l2-border);
 
+	--button-font-size: 12px;
+
 	// font styles
 	font-family: var(--font-family-sf-mono, monospace);
 	font-size: 13px;
@@ -27,10 +29,14 @@
 .right {
 	display: flex;
 	align-items: center;
-	gap: 12px;
+	gap: 8px;
 	min-width: 0;
 }
 
+.left {
+	cursor: default;
+}
+
 // Temporary placeholder for the left slot. Replaced later.
 .version {
 	color: var(--l2-foreground);

frontend/src/container/BottomStrip/LeftSlot/LeftSlot.tsx

@@ -0,0 +1,29 @@
+import * as Sentry from '@sentry/react';
+import { useAppContext } from 'providers/App/App';
+
+import StripTypography from '../components/StripTypography/StripTypography';
+import { useBottomStripStore } from '../store/useBottomStripStore';
+
+function LeftSlot(): JSX.Element | null {
+	const { versionData } = useAppContext();
+	const left = useBottomStripStore((state) => state.left);
+	const ownerId = useBottomStripStore((state) => state.ownerId);
+	const version = versionData?.version?.trim();
+	const versionNode = version ? (
+		<StripTypography>{version}</StripTypography>
+	) : null;
+
+	if (!left) {
+		return versionNode;
+	}
+
+	return (
+		// Keyed so a page whose node threw does not leave the boundary latched on
+		// the fallback for every page after it.
+		<Sentry.ErrorBoundary key={ownerId} fallback={<>{versionNode}</>}>
+			{left}
+		</Sentry.ErrorBoundary>
+	);
+}
+
+export default LeftSlot;

frontend/src/container/BottomStrip/SupportButton/SupportButton.tsx

@@ -0,0 +1,45 @@
+import { useState } from 'react';
+import { Button } from '@signozhq/ui/button';
+import AddCreditCardModal from 'components/AddCreditCardModal/AddCreditCardModal';
+import { ChatSupportState, useChatSupport } from 'hooks/useChatSupport';
+import { MessageSquareText } from '@signozhq/icons';
+
+function SupportButton(): JSX.Element | null {
+	const chatSupport = useChatSupport();
+	const [isAddCreditCardModalOpen, setIsAddCreditCardModalOpen] =
+		useState(false);
+
+	if (chatSupport === ChatSupportState.Unavailable) {
+		return null;
+	}
+
+	const handleClick = (): void => {
+		if (chatSupport === ChatSupportState.NeedsCard) {
+			setIsAddCreditCardModalOpen(true);
+			return;
+		}
+		window.Pylon?.('show');
+	};
+
+	return (
+		<>
+			<Button
+				variant="ghost"
+				color="secondary"
+				size="sm"
+				prefix={<MessageSquareText size={16} />}
+				onClick={handleClick}
+				testId="bottom-strip-support"
+			>
+				Support
+			</Button>
+
+			<AddCreditCardModal
+				open={isAddCreditCardModalOpen}
+				onClose={(): void => setIsAddCreditCardModalOpen(false)}
+			/>
+		</>
+	);
+}
+
+export default SupportButton;

frontend/src/container/BottomStrip/SupportButton/__tests__/SupportButton.test.tsx

@@ -0,0 +1,81 @@
+import { fireEvent } from '@testing-library/react';
+import { ChatSupportState, useChatSupport } from 'hooks/useChatSupport';
+import { render } from 'tests/test-utils';
+
+import SupportButton from '../SupportButton';
+
+jest.mock('hooks/useChatSupport', () => ({
+	...jest.requireActual('hooks/useChatSupport'),
+	useChatSupport: jest.fn(),
+}));
+
+const mockChatSupport = useChatSupport as jest.MockedFunction<
+	typeof useChatSupport
+>;
+
+const BUTTON = 'bottom-strip-support';
+const MODAL_TITLE = 'Add Credit Card for Chat Support';
+
+describe('SupportButton', () => {
+	beforeEach(() => {
+		jest.clearAllMocks();
+		window.Pylon = jest.fn() as never;
+	});
+
+	describe('when Pylon is available', () => {
+		beforeEach(() => mockChatSupport.mockReturnValue(ChatSupportState.Pylon));
+
+		it('shows the button', () => {
+			const { getByTestId } = render(<SupportButton />);
+
+			expect(getByTestId(BUTTON)).toBeInTheDocument();
+		});
+
+		it('opens the Pylon widget on click', () => {
+			const { getByTestId } = render(<SupportButton />);
+
+			fireEvent.click(getByTestId(BUTTON));
+
+			expect(window.Pylon).toHaveBeenCalledWith('show');
+		});
+
+		it('does not open the credit card modal', () => {
+			const { getByTestId, queryByText } = render(<SupportButton />);
+
+			fireEvent.click(getByTestId(BUTTON));
+
+			expect(queryByText(MODAL_TITLE)).not.toBeInTheDocument();
+		});
+	});
+
+	describe('when the user needs a card', () => {
+		beforeEach(() => mockChatSupport.mockReturnValue(ChatSupportState.NeedsCard));
+
+		it('shows the same button', () => {
+			const { getByTestId } = render(<SupportButton />);
+
+			expect(getByTestId(BUTTON)).toBeInTheDocument();
+		});
+
+		it('opens the credit card modal on click, not Pylon', () => {
+			const { getByTestId, getByText } = render(<SupportButton />);
+
+			fireEvent.click(getByTestId(BUTTON));
+
+			expect(getByText(MODAL_TITLE)).toBeInTheDocument();
+			expect(window.Pylon).not.toHaveBeenCalled();
+		});
+	});
+
+	describe('when support is unavailable', () => {
+		beforeEach(() =>
+			mockChatSupport.mockReturnValue(ChatSupportState.Unavailable),
+		);
+
+		it('renders nothing at all', () => {
+			const { queryByTestId } = render(<SupportButton />);
+
+			expect(queryByTestId(BUTTON)).not.toBeInTheDocument();
+		});
+	});
+});

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

@@ -1,12 +1,50 @@
+import { type ReactNode, useState } from 'react';
+import { fireEvent } from '@testing-library/react';
 import { render } from 'tests/test-utils';
+import { Info } from 'types/api/v1/version/get';
 
 import BottomStrip, {
 	BOTTOM_STRIP_HEIGHT,
 	BOTTOM_STRIP_HEIGHT_VAR,
 	BOTTOM_STRIP_ON_CLASS,
 } from '..';
+import { useBottomStripStore } from '../store/useBottomStripStore';
+import { useBottomStripLeft } from '../useBottomStripLeft';
+
+/** Stands in for a page that puts something on the left of the strip. */
+function Page({ children }: { children: ReactNode }): null {
+	useBottomStripLeft(children);
+	return null;
+}
+
+/** A page whose value changes without needing `rerender`. */
+function ChangingPage(): JSX.Element {
+	const [count, setCount] = useState(600);
+
+	useBottomStripLeft(`${count} traces`);
+
+	return (
+		<button type="button" onClick={(): void => setCount(42)}>
+			change
+		</button>
+	);
+}
+
+/** A page node that blows up while the strip renders it. */
+function Boom(): JSX.Element {
+	throw new Error('bad left node');
+}
+
+const VERSION = 'v0.134.67';
+const versionData: Info = { version: VERSION, ee: 'Y', setupCompleted: true };
+const withVersion = { appContextOverrides: { versionData } };
 
 describe('BottomStrip', () => {
+	// The store is module level, so it outlives each test.
+	beforeEach(() => {
+		useBottomStripStore.setState({ left: null, ownerId: null });
+	});
+
 	it('publishes the body class and height property while mounted', () => {
 		const { unmount } = render(<BottomStrip />);
 
@@ -28,22 +66,100 @@ describe('BottomStrip', () => {
 	it.each([['v0.134.67'], ['main-64f1c2a']])(
 		'renders the build version %p exactly as given',
 		(version) => {
-			const { getByTestId } = render(<BottomStrip />, undefined, {
+			const { getByText } = render(<BottomStrip />, undefined, {
 				appContextOverrides: {
 					versionData: { version, ee: 'Y', setupCompleted: true },
 				},
 			});
 
-			expect(getByTestId('bottom-strip-version')).toHaveTextContent(version);
+			expect(getByText(version)).toBeInTheDocument();
 		},
 	);
 
 	it('renders the strip without a version when none is available', () => {
-		const { getByTestId, queryByTestId } = render(<BottomStrip />, undefined, {
+		const { getByTestId } = render(<BottomStrip />, undefined, {
 			appContextOverrides: { versionData: null },
 		});
 
-		expect(getByTestId('bottom-strip')).toBeInTheDocument();
-		expect(queryByTestId('bottom-strip-version')).not.toBeInTheDocument();
+		const strip = getByTestId('bottom-strip');
+
+		expect(strip).toBeInTheDocument();
+		expect(strip).toHaveTextContent('');
+	});
+
+	// `tests/test-utils` builds its wrapper around the first `ui`, so `rerender`
+	// re-renders the original tree. These drive change through state and through
+	// separate trees instead, which the module-level store lets them share.
+	describe('left slot', () => {
+		it('shows what the page put there instead of the version', () => {
+			render(<Page>600 traces</Page>);
+			const { getByText, queryByText } = render(
+				<BottomStrip />,
+				undefined,
+				withVersion,
+			);
+
+			expect(getByText('600 traces')).toBeInTheDocument();
+			expect(queryByText(VERSION)).not.toBeInTheDocument();
+		});
+
+		it('falls back to the version once the page is gone', () => {
+			const page = render(<Page>600 traces</Page>);
+			const { getByText } = render(<BottomStrip />, undefined, withVersion);
+
+			page.unmount();
+
+			expect(getByText(VERSION)).toBeInTheDocument();
+		});
+
+		it('updates when the page changes what it shows', () => {
+			render(<ChangingPage />);
+			const { getByText, getByRole } = render(
+				<BottomStrip />,
+				undefined,
+				withVersion,
+			);
+
+			expect(getByText('600 traces')).toBeInTheDocument();
+
+			fireEvent.click(getByRole('button', { name: 'change' }));
+
+			expect(getByText('42 traces')).toBeInTheDocument();
+		});
+
+		it('falls back to the version when the page node throws', () => {
+			// React logs the caught error, which is noise here.
+			const consoleError = jest
+				.spyOn(console, 'error')
+				.mockImplementation(() => {});
+
+			render(
+				<Page>
+					<Boom />
+				</Page>,
+			);
+			const { getByTestId, getByText } = render(
+				<BottomStrip />,
+				undefined,
+				withVersion,
+			);
+
+			expect(getByTestId('bottom-strip')).toBeInTheDocument();
+			expect(getByText(VERSION)).toBeInTheDocument();
+
+			consoleError.mockRestore();
+		});
+
+		it('keeps the new page value when the old page unmounts after it', () => {
+			// Navigation order: the next page mounts before the last one unmounts,
+			// so without the owner guard the outgoing page wipes the incoming value.
+			const pageA = render(<Page>page A</Page>);
+			render(<Page>page B</Page>);
+			const { getByText } = render(<BottomStrip />, undefined, withVersion);
+
+			pageA.unmount();
+
+			expect(getByText('page B')).toBeInTheDocument();
+		});
 	});
 });

frontend/src/container/BottomStrip/components/StripSeparator/StripSeparator.module.scss

@@ -0,0 +1,15 @@
+.separator {
+	flex-shrink: 0;
+	width: 1px;
+	height: 14px;
+	background: var(--l2-border);
+}
+
+// Strip items hide themselves by rendering null, which would otherwise leave a
+// separator dangling at an edge or two of them side by side. Collapsing them
+// here keeps the call sites free of visibility plumbing.
+.separator:first-child,
+.separator:last-child,
+.separator + .separator {
+	display: none;
+}

frontend/src/container/BottomStrip/components/StripSeparator/StripSeparator.tsx

@@ -0,0 +1,7 @@
+import styles from './StripSeparator.module.scss';
+
+function StripSeparator(): JSX.Element {
+	return <span className={styles.separator} aria-hidden />;
+}
+
+export default StripSeparator;

frontend/src/container/BottomStrip/components/StripTypography/StripTypography.module.scss

@@ -0,0 +1,10 @@
+.stripTypography {
+	display: inline-flex;
+	align-items: center;
+	gap: 6px;
+
+	color: var(--l2-foreground);
+	white-space: nowrap;
+	overflow: hidden;
+	text-overflow: ellipsis;
+}

frontend/src/container/BottomStrip/components/StripTypography/StripTypography.tsx

@@ -0,0 +1,34 @@
+import type { ReactNode } from 'react';
+import { Typography } from '@signozhq/ui/typography';
+import cx from 'classnames';
+
+import styles from './StripTypography.module.scss';
+
+interface StripTypographyProps {
+	children: ReactNode;
+	/** Leading icon, aligned and spaced for you. Same shape as `Button`'s. */
+	prefix?: ReactNode;
+	className?: string;
+}
+
+/**
+ * Everything the strip renders goes through this: the version, a plain count, or
+ * an icon with a key and value. It owns the strip's type and alignment and
+ * nothing else — how a consumer colours its own content is theirs.
+ */
+function StripTypography({
+	children,
+	prefix,
+	className,
+}: StripTypographyProps): JSX.Element {
+	return (
+		<span className={cx(styles.stripTypography, className)}>
+			{prefix}
+			<Typography.Text as="span">{children}</Typography.Text>
+		</span>
+	);
+}
+
+StripTypography.defaultProps = { prefix: undefined, className: undefined };
+
+export default StripTypography;

frontend/src/container/BottomStrip/index.tsx

@@ -1,5 +1,9 @@
 import { useLayoutEffect } from 'react';
-import { useAppContext } from 'providers/App/App';
+
+import AskNoz from './AskNoz/AskNoz';
+import LeftSlot from './LeftSlot/LeftSlot';
+import StripSeparator from './components/StripSeparator/StripSeparator';
+import SupportButton from './SupportButton/SupportButton';
 
 import styles from './BottomStrip.module.scss';
 
@@ -9,9 +13,6 @@ export const BOTTOM_STRIP_ON_CLASS = 'bottom-strip-on';
 export const BOTTOM_STRIP_HEIGHT_VAR = '--bottom-strip-height';
 
 function BottomStrip(): JSX.Element {
-	const { versionData } = useAppContext();
-	const version = versionData?.version?.trim();
-
 	useLayoutEffect(() => {
 		document.body.classList.add(BOTTOM_STRIP_ON_CLASS);
 		document.body.style.setProperty(
@@ -28,13 +29,13 @@ function BottomStrip(): JSX.Element {
 	return (
 		<div className={styles.strip} data-testid="bottom-strip">
 			<div className={styles.left}>
-				{version && (
-					<span className={styles.version} data-testid="bottom-strip-version">
-						{version}
-					</span>
-				)}
+				<LeftSlot />
+			</div>
+			<div className={styles.right}>
+				<AskNoz />
+				<StripSeparator />
+				<SupportButton />
 			</div>
-			<div className={styles.right} />
 		</div>
 	);
 }

frontend/src/container/BottomStrip/store/useBottomStripStore.ts

@@ -0,0 +1,26 @@
+import type { ReactNode } from 'react';
+import { create } from 'zustand';
+
+interface BottomStripState {
+	/** What the strip shows on the left, or null to fall back to the version. */
+	left: ReactNode | null;
+	/** Which page owns the current value — see `clearLeft`. */
+	ownerId: string | null;
+	setLeft: (ownerId: string, left: ReactNode) => void;
+	clearLeft: (ownerId: string) => void;
+}
+
+export const useBottomStripStore = create<BottomStripState>()((set, get) => ({
+	left: null,
+	ownerId: null,
+	setLeft: (ownerId, left): void => set({ left, ownerId }),
+	// Only the current owner may clear. On a plain route swap React runs the old
+	// page's cleanup before the new page's effect, so this is moot, but two
+	// consumers can be mounted at once (a page under a drawer): the one that set
+	// last owns the slot, and the other unmounting must not wipe it.
+	clearLeft: (ownerId): void => {
+		if (get().ownerId === ownerId) {
+			set({ left: null, ownerId: null });
+		}
+	},
+}));

frontend/src/container/BottomStrip/useBottomStripLeft.ts

@@ -0,0 +1,23 @@
+import { type ReactNode, useEffect, useId } from 'react';
+
+import { useBottomStripStore } from './store/useBottomStripStore';
+
+/**
+ * Puts `node` on the left of the bottom strip for as long as the calling page is
+ * mounted. Pass null to show nothing and let the version through.
+ *
+ * There is no refresh API by design: a page that refetches re-renders, which
+ * produces a new node, which re-runs this effect. Wrap the node in `useMemo`
+ * keyed on the values it shows, or the store is written on every render.
+ */
+export function useBottomStripLeft(node: ReactNode | null): void {
+	const ownerId = useId();
+	const setLeft = useBottomStripStore((state) => state.setLeft);
+	const clearLeft = useBottomStripStore((state) => state.clearLeft);
+
+	useEffect(() => {
+		setLeft(ownerId, node);
+
+		return (): void => clearLeft(ownerId);
+	}, [node, ownerId, setLeft, clearLeft]);
+}

frontend/src/container/Home/Home.styles.scss

@@ -1,7 +1,6 @@
 .home-container {
 	display: flex;
 	flex-direction: column;
-	min-height: 100vh;
 	overflow-y: auto;
 	height: 100%;
 	width: 100%;

frontend/src/container/Licenses/Licenses.styles.scss

@@ -1,7 +1,4 @@
 .licenses-page {
-	max-height: 100vh;
-	overflow: hidden;
-
 	.licenses-page-header {
 		border-bottom: 1px solid var(--l1-border);
 		background: var(--l1-background);
@@ -32,7 +29,6 @@
 
 		.licenses-page-content {
 			flex: 1;
-			height: calc(100vh - 48px);
 			background: var(--l1-background);
 			padding: 10px 8px;
 			overflow-y: auto;

frontend/src/container/ListAlertRules/ListAlertRules.module.scss

@@ -2,7 +2,7 @@
 	display: flex;
 	flex-direction: column;
 	gap: 1rem;
-	height: calc(100vh - 62px);
+	flex: 1;
 	min-height: 400px;
 }
 

frontend/src/container/TriggeredAlerts/TriggeredAlerts.module.scss

@@ -2,7 +2,7 @@
 	display: flex;
 	flex-direction: column;
 	gap: 1rem;
-	height: calc(100vh - 62px);
+	flex: 1;
 	min-height: 400px;
 	padding-top: var(--spacing-8);
 }

frontend/src/container/Version/Version.styles.scss

@@ -1,7 +1,4 @@
 .version-container {
-	max-height: 100vh;
-	overflow: hidden;
-
 	.version-page-header {
 		border-bottom: 1px solid var(--l1-border);
 		background: var(--l1-background);

frontend/src/hooks/__tests__/useChatSupport.test.tsx

@@ -0,0 +1,148 @@
+import { renderHook } from '@testing-library/react';
+import { FeatureKeys } from 'constants/features';
+import { useGetTenantLicense } from 'hooks/useGetTenantLicense';
+import { ChatSupportState, useChatSupport } from 'hooks/useChatSupport';
+import { useAppContext } from 'providers/App/App';
+
+jest.mock('providers/App/App');
+jest.mock('hooks/useGetTenantLicense');
+
+const mockAppContext = useAppContext as jest.MockedFunction<
+	typeof useAppContext
+>;
+const mockLicense = useGetTenantLicense as jest.MockedFunction<
+	typeof useGetTenantLicense
+>;
+
+const flag = (name: FeatureKeys, active: boolean): Record<string, unknown> => ({
+	name,
+	active,
+	usage: 0,
+	usage_limit: -1,
+	route: '',
+});
+
+function setup({
+	chatSupport = true,
+	premiumSupport = false,
+	trialConverted = false,
+	isCloudUser = true,
+	isEnterpriseSelfHostedUser = false,
+	isLoggedIn = true,
+	pylonEnabled = true,
+	isFetchingFeatureFlags = false,
+	activeLicense = {} as unknown,
+	trialInfo = {} as unknown,
+} = {}): void {
+	window.signozBootData = {
+		settings: { pylon: { enabled: pylonEnabled } },
+	} as never;
+
+	mockAppContext.mockReturnValue({
+		featureFlags: [
+			flag(FeatureKeys.CHAT_SUPPORT, chatSupport),
+			flag(FeatureKeys.PREMIUM_SUPPORT, premiumSupport),
+		],
+		isFetchingFeatureFlags,
+		featureFlagsFetchError: null,
+		trialInfo: trialInfo && { trialConvertedToSubscription: trialConverted },
+		isLoggedIn,
+		activeLicense,
+	} as never);
+
+	mockLicense.mockReturnValue({
+		isCloudUser,
+		isEnterpriseSelfHostedUser,
+	} as never);
+}
+
+const state = (): ChatSupportState =>
+	renderHook(() => useChatSupport()).result.current;
+
+describe('useChatSupport', () => {
+	beforeEach(() => jest.clearAllMocks());
+
+	describe('pylon', () => {
+		it('hands off to Pylon for a cloud user past trial', () => {
+			setup({ trialConverted: true });
+
+			expect(state()).toBe(ChatSupportState.Pylon);
+		});
+
+		it('hands off to Pylon for enterprise self-hosted', () => {
+			setup({
+				trialConverted: true,
+				isCloudUser: false,
+				isEnterpriseSelfHostedUser: true,
+			});
+
+			expect(state()).toBe(ChatSupportState.Pylon);
+		});
+
+		it('hands off to Pylon when premium support is on, card or not', () => {
+			setup({ premiumSupport: true, trialConverted: false });
+
+			expect(state()).toBe(ChatSupportState.Pylon);
+		});
+
+		it('offers nothing when Pylon is not configured server side', () => {
+			setup({ trialConverted: true, pylonEnabled: false });
+
+			expect(state()).toBe(ChatSupportState.Unavailable);
+		});
+	});
+
+	describe('needsCard', () => {
+		it('offers the card flow to a cloud user still on trial', () => {
+			setup({ trialConverted: false, premiumSupport: false });
+
+			expect(state()).toBe(ChatSupportState.NeedsCard);
+		});
+
+		it('offers nothing to a non-cloud user needing a card', () => {
+			setup({
+				trialConverted: false,
+				isCloudUser: false,
+				isEnterpriseSelfHostedUser: true,
+			});
+
+			expect(state()).toBe(ChatSupportState.Unavailable);
+		});
+	});
+
+	describe('unavailable', () => {
+		it('offers nothing without the chat support flag', () => {
+			setup({ chatSupport: false });
+
+			expect(state()).toBe(ChatSupportState.Unavailable);
+		});
+
+		it('offers nothing when logged out', () => {
+			setup({ isLoggedIn: false });
+
+			expect(state()).toBe(ChatSupportState.Unavailable);
+		});
+
+		it('offers nothing while the flags are still loading', () => {
+			setup({ isFetchingFeatureFlags: true });
+
+			expect(state()).toBe(ChatSupportState.Unavailable);
+		});
+
+		it('offers nothing before the licence has loaded', () => {
+			setup({ activeLicense: null });
+
+			expect(state()).toBe(ChatSupportState.Unavailable);
+		});
+
+		it('offers nothing on a tenant that is neither cloud nor enterprise', () => {
+			setup({
+				trialConverted: true,
+				isCloudUser: false,
+				isEnterpriseSelfHostedUser: false,
+			});
+
+			expect(state()).toBe(ChatSupportState.Unavailable);
+		});
+	});
+});

frontend/src/hooks/useChatSupport.ts

@@ -0,0 +1,70 @@
+import { FeatureKeys } from 'constants/features';
+import { useGetTenantLicense } from 'hooks/useGetTenantLicense';
+import { useAppContext } from 'providers/App/App';
+import { useMemo } from 'react';
+
+export enum ChatSupportState {
+	/** Pylon is configured for this user — hand off to the widget. */
+	Pylon = 'pylon',
+	/** Trial without a card — offer the Add Credit Card flow instead. */
+	NeedsCard = 'needsCard',
+	/** No support entry at all. */
+	Unavailable = 'unavailable',
+}
+
+export function useChatSupport(): ChatSupportState {
+	const {
+		featureFlags,
+		isFetchingFeatureFlags,
+		featureFlagsFetchError,
+		trialInfo,
+		isLoggedIn,
+		activeLicense,
+	} = useAppContext();
+	const { isCloudUser, isEnterpriseSelfHostedUser } = useGetTenantLicense();
+
+	return useMemo(() => {
+		const isReady =
+			!isFetchingFeatureFlags &&
+			(featureFlags || featureFlagsFetchError) &&
+			activeLicense &&
+			trialInfo;
+		if (!isReady || !isLoggedIn) {
+			return ChatSupportState.Unavailable;
+		}
+
+		const flag = (name: FeatureKeys): boolean =>
+			featureFlags?.find((f) => f.name === name)?.active || false;
+
+		if (!flag(FeatureKeys.CHAT_SUPPORT)) {
+			return ChatSupportState.Unavailable;
+		}
+
+		const needsCard =
+			!flag(FeatureKeys.PREMIUM_SUPPORT) &&
+			!trialInfo?.trialConvertedToSubscription;
+
+		if (needsCard) {
+			// The credit card flow is cloud-only
+			return isCloudUser
+				? ChatSupportState.NeedsCard
+				: ChatSupportState.Unavailable;
+		}
+
+		const pylonConfigured = Boolean(
+			window.signozBootData?.settings?.pylon?.enabled,
+		);
+		return (isCloudUser || isEnterpriseSelfHostedUser) && pylonConfigured
+			? ChatSupportState.Pylon
+			: ChatSupportState.Unavailable;
+	}, [
+		activeLicense,
+		featureFlags,
+		featureFlagsFetchError,
+		isCloudUser,
+		isEnterpriseSelfHostedUser,
+		isFetchingFeatureFlags,
+		isLoggedIn,
+		trialInfo,
+	]);
+}

frontend/src/pages/AlertList/AlertList.styles.scss

@@ -1,4 +1,29 @@
 .alerts-container {
+	// Hands the page height down to the active tab so its content can bound itself
+	// instead of guessing with 100vh. Child combinators only, nested Tabs
+	// (Configuration) must not be caught.
+	flex: 1;
+	min-height: 0;
+
+	> .ant-tabs-content-holder {
+		display: flex;
+		flex-direction: column;
+
+		> .ant-tabs-content {
+			flex: 1;
+			min-height: 0;
+			display: flex;
+			flex-direction: column;
+
+			> .ant-tabs-tabpane-active {
+				flex: 1;
+				min-height: 0;
+				display: flex;
+				flex-direction: column;
+			}
+		}
+	}
+
 	.top-level-tab.periscope-tab {
 		padding: 2px 0;
 	}
@@ -40,5 +65,9 @@
 
 	.alert-rules-container {
 		margin-top: 10px;
+		flex: 1;
+		min-height: 0;
+		display: flex;
+		flex-direction: column;
 	}
 }

frontend/src/pages/Support/Support.styles.scss

@@ -1,7 +1,4 @@
 .support-page-container {
-	max-height: 100vh;
-	overflow: hidden;
-
 	.support-page-header {
 		border-bottom: 1px solid var(--l1-border);
 		background: var(--l1-background);

frontend/src/pages/TraceDetailsV3/StripInfo/StripInfo.module.scss

@@ -0,0 +1,3 @@
+.hasErrors {
+	color: var(--destructive);
+}

frontend/src/pages/TraceDetailsV3/StripInfo/StripInfo.tsx

@@ -0,0 +1,37 @@
+import StripSeparator from 'container/BottomStrip/components/StripSeparator/StripSeparator';
+import StripTypography from 'container/BottomStrip/components/StripTypography/StripTypography';
+import cx from 'classnames';
+import { ChartNoAxesGantt, TriangleAlert } from '@signozhq/icons';
+
+import styles from './StripInfo.module.scss';
+
+interface StripInfoProps {
+	totalSpansCount: number;
+	totalErrorSpansCount: number;
+}
+
+function StripInfo({
+	totalSpansCount,
+	totalErrorSpansCount,
+}: StripInfoProps): JSX.Element {
+	return (
+		<>
+			<StripTypography prefix={<ChartNoAxesGantt size={13} />}>
+				Spans: {totalSpansCount}
+			</StripTypography>
+			<StripSeparator />
+			<StripTypography
+				prefix={
+					<TriangleAlert
+						size={13}
+						className={cx({ [styles.hasErrors]: totalErrorSpansCount > 0 })}
+					/>
+				}
+			>
+				Errors: {totalErrorSpansCount}
+			</StripTypography>
+		</>
+	);
+}
+
+export default StripInfo;

frontend/src/pages/TraceDetailsV3/StripInfo/__tests__/StripInfo.test.tsx

@@ -0,0 +1,23 @@
+import { render } from 'tests/test-utils';
+
+import StripInfo from '../StripInfo';
+
+describe('StripInfo', () => {
+	it('shows the span and error counts', () => {
+		const { getByText } = render(
+			<StripInfo totalSpansCount={600} totalErrorSpansCount={4} />,
+		);
+
+		expect(getByText('Spans: 600')).toBeInTheDocument();
+		expect(getByText('Errors: 4')).toBeInTheDocument();
+	});
+
+	it('shows zero counts rather than hiding them', () => {
+		const { getByText } = render(
+			<StripInfo totalSpansCount={0} totalErrorSpansCount={0} />,
+		);
+
+		expect(getByText('Spans: 0')).toBeInTheDocument();
+		expect(getByText('Errors: 0')).toBeInTheDocument();
+	});
+});

frontend/src/pages/TraceDetailsV3/TraceDetailsV3.module.scss

@@ -1,5 +1,6 @@
 .root {
-	height: calc(100vh);
+	flex: 1;
+	min-height: 0;
 	display: flex;
 	flex-direction: column;
 }

frontend/src/pages/TraceDetailsV3/index.tsx

@@ -14,7 +14,9 @@ import { Collapse } from 'antd';
 import { useDetailsPanel } from 'components/DetailsPanel';
 import WarningPopover from 'components/WarningPopover/WarningPopover';
 import { LOCALSTORAGE } from 'constants/localStorage';
+import { useBottomStripLeft } from 'container/BottomStrip/useBottomStripLeft';
 import useGetTraceV4 from 'hooks/trace/useGetTraceV4';
+import StripInfo from './StripInfo/StripInfo';
 import { useSafeNavigate } from 'hooks/useSafeNavigate';
 import useUrlQuery from 'hooks/useUrlQuery';
 import { ResizableBox } from 'periscope/components/ResizableBox';
@@ -144,6 +146,19 @@ function TraceDetailsV3(): JSX.Element {
 
 	const allSpans = traceData?.payload?.spans || [];
 	const totalSpansCount = traceData?.payload?.totalSpansCount || 0;
+	const totalErrorSpansCount = traceData?.payload?.totalErrorSpansCount || 0;
+
+	useBottomStripLeft(
+		useMemo(
+			() => (
+				<StripInfo
+					totalSpansCount={totalSpansCount}
+					totalErrorSpansCount={totalErrorSpansCount}
+				/>
+			),
+			[totalSpansCount, totalErrorSpansCount],
+		),
+	);
 	const isFullDataLoaded =
 		totalSpansCount > 0 && totalSpansCount <= allSpans.length;
 
@@ -441,7 +456,10 @@ function TraceDetailsV3(): JSX.Element {
 																})}
 															>
 																<TriangleAlert size={13} />
-																Errors: {traceData.payload.totalErrorSpansCount ?? 0}
+																Errors:{' '}
+																{traceData.payload.totalErrorSpansCount ?? (
+																	<span className="translate-safe">{0}</span>
+																)}
 															</span>
 														</span>
 													) : null}

frontend/src/pages/TracesFunnelDetails/TracesFunnelDetails.styles.scss

@@ -1,13 +1,24 @@
 .traces-funnel-details {
 	display: flex;
-	// 45px -> height of the tab bar
-	height: calc(100vh - 45px);
+	height: 100%;
 
 	&__steps-config {
 		flex-shrink: 0;
 		width: 600px;
 		border-right: 1px solid var(--l1-border);
+		// Positioning context for the absolute .steps-footer.
 		position: relative;
+		display: flex;
+		flex-direction: column;
+
+		// Scoped here so the modal usage of FunnelConfiguration on trace details
+		// stays in normal flow.
+		.funnel-configuration {
+			flex: 1;
+			min-height: 0;
+			display: flex;
+			flex-direction: column;
+		}
 	}
 	&__steps-results {
 		width: 100%;

frontend/src/pages/TracesFunnelDetails/components/FunnelConfiguration/FunnelConfiguration.styles.scss

@@ -4,14 +4,17 @@
 		flex-direction: column;
 		justify-content: flex-start;
 		&.funnel-details-page {
-			height: calc(
-				100vh - 170px
-			); // 64px bottom bar + 61px configuration header + 45px page navbar
+			flex: 1;
+			min-height: 0;
+			// .steps-footer is absolute against the config column, so its 64px is
+			// reserved rather than laid out.
+			margin-bottom: 64px;
 			overflow: auto;
 		}
 	}
 
 	&__header {
+		flex-shrink: 0;
 		display: flex;
 		align-items: center;
 		justify-content: space-between;

frontend/src/styles.scss

@@ -813,6 +813,12 @@ body.ai-assistant-panel-open {
 	}
 }
 
+body.bottom-strip-on {
+	.PylonChat-chatWindowFrameContainer {
+		bottom: var(--bottom-strip-height, 0px) !important;
+	}
+}
+
 [role='tab'] {
 	color: var(--foreground) !important;
 }