test(storybook): move play helpers into the story mocks files

frontend/.storybook/main.ts

@@ -43,6 +43,11 @@ const mockAliases = [
 		find: /^@signozhq\/ui\/tooltip$/,
 		replacement: `${srcPath}/storybook/mocks/tooltip.mock.tsx`,
 	},
+	{
+		// jest: not replaced, a test asserts on the toast it fires.
+		find: /^@signozhq\/ui\/sonner$/,
+		replacement: `${srcPath}/storybook/mocks/sonner.mock.tsx`,
+	},
 ];
 
 /**

frontend/.storybook/preview-head.html

@@ -70,3 +70,49 @@
 		Object.defineProperty(window, 'Date', { value: FrozenDate, writable: true });
 	})();
 </script>
+
+<script>
+	// Storybook has no microphone. Chromium's recognizer asks for one and for
+	// Google's speech service, and the `not-allowed` or `network` it reports makes
+	// the assistant hide its mic for the rest of the tab. This one starts
+	// listening at once and hears only what a story passes to `hear`.
+	(() => {
+		class StorySpeechRecognition extends EventTarget {
+			static listening = null;
+			lang = 'en-US';
+			continuous = false;
+			interimResults = false;
+			onstart = null;
+			onresult = null;
+			onerror = null;
+			onend = null;
+
+			start() {
+				StorySpeechRecognition.listening = this;
+				setTimeout(() => this.onstart?.());
+			}
+
+			stop() {
+				if (StorySpeechRecognition.listening === this) {
+					StorySpeechRecognition.listening = null;
+				}
+				setTimeout(() => this.onend?.());
+			}
+
+			abort() {
+				this.stop();
+			}
+
+			/** An interim result: the words so far, still listening. */
+			hear(transcript) {
+				const result = Object.assign([{ transcript, confidence: 1 }], {
+					isFinal: false,
+				});
+				this.onresult?.({ resultIndex: 0, results: [result] });
+			}
+		}
+
+		window.SpeechRecognition = StorySpeechRecognition;
+		window.webkitSpeechRecognition = StorySpeechRecognition;
+	})();
+</script>

frontend/.storybook/preview.tsx

@@ -122,7 +122,21 @@ const preview: Preview = {
 							['List', 'New', 'Edit'],
 						],
 						'Dashboards',
-						['List', 'Detail', 'Panel Editor', 'Public'],
+						[
+							'List',
+							'Detail',
+							[
+								'Overview',
+								'Settings',
+								'Variables',
+								'New Variable',
+								'Edit Variable',
+								'Authz',
+							],
+							'Panel Editor',
+							['Overview', 'Chart Options', 'Thresholds and Links'],
+							'Public',
+						],
 						'Services',
 						['List', 'Detail', 'Top Level Operations', 'Service Map'],
 						'Logs',

frontend/.storybook/test-runner.ts

@@ -23,6 +23,13 @@ const IGNORED_MESSAGES = [
 	// (YouTube embeds, the docs pane) so they hit the real network instead of
 	// an unanswered msw request; the block is the point, not a bug.
 	/violates the following Content Security Policy directive/,
+	// The filter editor's ANTLR parser reports every syntax error through
+	// `console.error` (`line 1:14 missing ...`), so each partial expression
+	// typed into it logs one; the editor shows the same errors on screen.
+	/^line \d+:\d+ /,
+	// Chromium's echo of a 4xx/5xx response, which the `[response]` entry below
+	// already reports with its URL and the time its request left.
+	/^Failed to load resource: the server responded with a status of /,
 ];
 
 interface CapturedMessage {
@@ -86,7 +93,9 @@ const config: TestRunnerConfig = {
 		page.on('response', (response) => {
 			if (response.status() >= 400) {
 				messages.push({
-					at: Date.now(),
+					// The browser's clock, when the request left: a busy runner receives
+					// the outgoing story's responses after the next story has started.
+					at: response.request().timing().startTime,
 					text: `[response] ${response.status()} ${response.url()}`,
 				});
 			}

frontend/src/components/Alerts/LabelColumn/stories/LabelColumn.stories.tsx

@@ -0,0 +1,59 @@
+import type { Meta, StoryObj } from '@storybook/react-vite';
+import { expect, screen, userEvent, waitFor, within } from 'storybook/test';
+
+import { withCanvas } from '@/storybook/decorators/withCanvas';
+
+import LabelColumn from '../LabelColumn';
+
+const meta = {
+	title: 'Components/Label Column',
+	component: LabelColumn,
+	tags: ['play'],
+	decorators: [withCanvas({ maxWidth: 180 })],
+	args: {
+		labels: ['severity', 'team', 'service', 'environment'],
+		value: {
+			severity: 'critical',
+			team: 'payments',
+			service: 'checkout',
+			environment: 'production',
+		},
+	},
+} satisfies Meta<typeof LabelColumn>;
+
+export default meta;
+
+type Story = StoryObj<typeof meta>;
+
+/** Labels that fit the column; the rest collapse into a `+N` chip. */
+export const Default: Story = {};
+
+/** Copying one label from its tooltip. */
+export const LabelCopiedToast: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await userEvent.hover(
+			await within(canvasElement).findByTestId('label-tag-severity'),
+		);
+		await userEvent.click(
+			await screen.findByRole('button', { name: 'Copy to clipboard' }),
+		);
+		await waitFor(() =>
+			expect(screen.getByText(/copied! use in search/i)).toBeVisible(),
+		);
+	},
+};
+
+/** Copying the labels that overflow the column from the `+N` chip's tooltip. */
+export const OverflowLabelsCopiedToast: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await userEvent.hover(
+			await within(canvasElement).findByTestId('label-overflow-badge'),
+		);
+		await userEvent.click(
+			await screen.findByRole('button', { name: 'Copy to clipboard' }),
+		);
+		await waitFor(() =>
+			expect(screen.getByText(/copied! use in search/i)).toBeVisible(),
+		);
+	},
+};

frontend/src/components/FieldsSelector/stories/FieldsSelector.stories.tsx

@@ -1,5 +1,5 @@
 import type { Meta, StoryObj } from '@storybook/react-vite';
-import { screen, userEvent } from 'storybook/test';
+import { expect, screen, userEvent, waitFor } from 'storybook/test';
 import { DataSource } from 'types/common/queryBuilder';
 
 import FieldsSelector from '../FieldsSelector';
@@ -56,6 +56,21 @@ export const UnsavedChanges: Story = {
 	},
 };
 
+/** Saving: the toast raised once the edited columns are applied. */
+export const SavedToast: Story = {
+	play: async (): Promise<void> => {
+		const [addField] = await screen.findAllByRole('button', { name: 'Add' });
+
+		await userEvent.click(addField);
+		await userEvent.click(
+			await screen.findByRole('button', { name: 'Save changes' }),
+		);
+		await waitFor(() =>
+			expect(screen.getByText('Saved successfully')).toBeVisible(),
+		);
+	},
+};
+
 /** Empty: the suggestion request succeeds with no columns to add. */
 export const NoResults: Story = {
 	parameters: {

frontend/src/components/HeaderRightSection/stories/HeaderRightSection.stories.tsx

@@ -0,0 +1,37 @@
+import type { Meta, StoryObj } from '@storybook/react-vite';
+import { screen, userEvent } from 'storybook/test';
+
+import HeaderRightSection from '../HeaderRightSection';
+
+const meta = {
+	title: 'Components/Header Right Section',
+	component: HeaderRightSection,
+	tags: ['play'],
+	args: {
+		enableFeedback: true,
+		enableShare: true,
+		enableAnnouncements: false,
+	},
+} satisfies Meta<typeof HeaderRightSection>;
+
+export default meta;
+
+type Story = StoryObj<typeof meta>;
+
+/** The top bar's actions: feedback and share. */
+export const Default: Story = {};
+
+/** A feedback note submitted from the popover, which toasts once it is sent. */
+export const FeedbackSubmittedToast: Story = {
+	play: async (): Promise<void> => {
+		await userEvent.click(
+			await screen.findByRole('button', { name: 'Feedback' }),
+		);
+		await userEvent.type(
+			await screen.findByPlaceholderText(/write your feedback here/i),
+			'The new explorer is great',
+		);
+		await userEvent.click(await screen.findByRole('button', { name: /submit/i }));
+		await screen.findByText(/feedback submitted successfully/i);
+	},
+};

frontend/src/components/QueryBuilderV2/QueryV2/QuerySearch/stories/__story_mockdata__/querySearch.play.ts

@@ -0,0 +1,229 @@
+import { EditorView } from '@codemirror/view';
+import { userEvent, waitFor, within } from 'storybook/test';
+
+/** Suggestions wait on a 300ms debounce and a fetch, past the 1s default. */
+const untilLoaded = { timeout: 15_000 };
+
+/** Throws until `found` holds something, which is what `waitFor` retries on. */
+const present = <TValue>(
+	found: TValue | null | undefined,
+	what: string,
+): TValue => {
+	if (found === null || found === undefined) {
+		throw new Error(`${what} not found`);
+	}
+
+	return found;
+};
+
+const suggestionList = (canvasElement: HTMLElement): HTMLElement | null =>
+	canvasElement.querySelector<HTMLElement>('.cm-tooltip-autocomplete');
+
+const suggestionRow = (
+	canvasElement: HTMLElement,
+	text: string,
+): HTMLElement | undefined => {
+	const list = suggestionList(canvasElement);
+
+	return list
+		? within(list)
+				.queryAllByRole('option')
+				.find((option) => option.textContent?.includes(text))
+		: undefined;
+};
+
+/** Ctrl+Space, the editor's own shortcut for asking for suggestions. */
+const requestSuggestions = (editor: HTMLElement): void => {
+	editor.dispatchEvent(
+		new KeyboardEvent('keydown', {
+			key: ' ',
+			code: 'Space',
+			ctrlKey: true,
+			bubbles: true,
+		}),
+	);
+};
+
+const currentView = (
+	canvasElement: HTMLElement,
+): { editor: HTMLElement; view: EditorView } => {
+	// An explorer renders one editor per query; the first is the one on screen.
+	const editor = present(
+		canvasElement.querySelector<HTMLElement>(
+			'.code-mirror-where-clause .cm-content',
+		),
+		'filter editor',
+	);
+
+	return {
+		editor,
+		view: present(EditorView.findFromDOM(editor), 'editor view'),
+	};
+};
+
+/**
+ * The explorers wrap the filter in `OverlayScrollbar`, which initialises when
+ * the browser is idle. Initialising moves the content, the editor with it, and
+ * focuses the editor again through the DOM, which puts the caret back at the
+ * start and swaps the suggestions for the key list. Throws until every wrapper
+ * around the filter has initialised.
+ */
+const assertScrollbarsReady = (editor: HTMLElement): void => {
+	for (
+		let wrapper = editor.closest('.overlay-scrollbar');
+		wrapper;
+		wrapper = wrapper.parentElement?.closest('.overlay-scrollbar') ?? null
+	) {
+		if (!wrapper.hasAttribute('data-overlayscrollbars')) {
+			throw new Error('scrollbars around the filter still initialising');
+		}
+	}
+};
+
+/**
+ * Waits until `text` shows in the suggestion list, asking for suggestions
+ * whenever the list is shut. Focus and typing only open it once the keys have
+ * loaded, and moving the caret never does.
+ */
+const waitForSuggestion = (
+	canvasElement: HTMLElement,
+	text: string,
+): Promise<HTMLElement> =>
+	waitFor(
+		() => {
+			const { editor } = currentView(canvasElement);
+
+			if (!suggestionList(canvasElement)) {
+				requestSuggestions(editor);
+			}
+
+			return present(suggestionRow(canvasElement, text), `suggestion "${text}"`);
+		},
+		{ ...untilLoaded, interval: 250 },
+	);
+
+/**
+ * Focuses the filter once the scrollbars around it have initialised, and waits
+ * for its suggestion list.
+ */
+const focusFilter = async (canvasElement: HTMLElement): Promise<EditorView> => {
+	await waitFor(
+		() => {
+			const { editor, view } = currentView(canvasElement);
+
+			assertScrollbarsReady(editor);
+
+			if (!view.hasFocus) {
+				view.focus();
+			}
+
+			if (!suggestionList(canvasElement)) {
+				requestSuggestions(editor);
+			}
+
+			return present(suggestionList(canvasElement), 'suggestion list');
+		},
+		{ ...untilLoaded, interval: 250 },
+	);
+
+	return currentView(canvasElement).view;
+};
+
+/** Waits for a row of the suggestion list. */
+export const findSuggestion = (
+	canvasElement: HTMLElement,
+	text: string,
+): Promise<HTMLElement> => waitForSuggestion(canvasElement, text);
+
+/** Focuses the empty filter: every key, with any recent filters above them. */
+export const openKeySuggestions = async (
+	canvasElement: HTMLElement,
+	row: string,
+): Promise<void> => {
+	await focusFilter(canvasElement);
+	await waitForSuggestion(canvasElement, row);
+};
+
+/**
+ * Focuses the filter and types onto the end of it one character at a time,
+ * each as the transaction a keystroke makes, leaving the caret at the end so
+ * the suggestion list follows what was typed. Quotes and brackets are not
+ * closed for it: type both.
+ *
+ * `userEvent.type` cannot be used: CodeMirror redraws the line as tokens are
+ * highlighted, which strands the caret `userEvent` tracks.
+ */
+export const typeFilter = async (
+	canvasElement: HTMLElement,
+	text: string,
+): Promise<void> => {
+	const view = await focusFilter(canvasElement);
+
+	for (const character of text) {
+		const at = view.state.doc.length;
+
+		view.dispatch({
+			changes: { from: at, insert: character },
+			selection: { anchor: at + character.length },
+			userEvent: 'input.type',
+		});
+	}
+};
+
+/**
+ * Types an expression, then steps the caret back inside it, before a closing
+ * bracket or parenthesis, where the suggestions are about what goes in there.
+ */
+export const typeFilterWithCaretBack = async (
+	canvasElement: HTMLElement,
+	text: string,
+	stepsBack: number,
+	row: string,
+): Promise<void> => {
+	await typeFilter(canvasElement, text);
+
+	const { view } = currentView(canvasElement);
+
+	view.dispatch({
+		selection: { anchor: view.state.doc.length - stepsBack },
+		userEvent: 'select',
+	});
+	await waitForSuggestion(canvasElement, row);
+};
+
+/**
+ * Moves focus off the filter, which is when the expression is validated and
+ * the error marker can show.
+ */
+export const blurFilter = async (canvasElement: HTMLElement): Promise<void> => {
+	await userEvent.keyboard('{Escape}');
+	await userEvent.click(canvasElement.ownerDocument.body);
+};
+
+/** Types an expression, leaves the filter and opens its validation errors. */
+export const showFilterErrors = async (
+	canvasElement: HTMLElement,
+	text: string,
+): Promise<void> => {
+	await typeFilter(canvasElement, text);
+	await blurFilter(canvasElement);
+
+	const marker = await waitFor(
+		() =>
+			present(
+				canvasElement.querySelector<HTMLElement>('.query-status-container button'),
+				'error marker',
+			),
+		untilLoaded,
+	);
+
+	await userEvent.hover(marker);
+	await waitFor(
+		() =>
+			present(
+				canvasElement.ownerDocument.querySelector('.query-validation-error'),
+				'validation error',
+			),
+		untilLoaded,
+	);
+};

frontend/src/components/QuickFilters/stories/QuickFilters.stories.tsx

@@ -117,3 +117,38 @@ export const Tooltips: TooltipsStory = {
 		msw: { handlers: [attributeValuesHandler(LONG_FILTER_VALUES), ...handlers] },
 	},
 };
+
+const [firstQuery] = queryBuilder.currentQuery.builder.queryData;
+
+/** Interaction: the query picker lists every query the filters can follow. */
+export const QueryPickerOpen: Story = {
+	parameters: {
+		signoz: {
+			queryBuilder: {
+				...queryBuilder,
+				currentQuery: {
+					builder: {
+						queryData: [
+							{ ...firstQuery, queryName: 'A' },
+							{ ...firstQuery, queryName: 'B' },
+						],
+					},
+				},
+			},
+		},
+	},
+	play: async ({ canvasElement }): Promise<void> => {
+		const trigger = await waitFor(() => {
+			const element = canvasElement.querySelector<HTMLElement>(
+				'[data-slot="combobox-trigger"]',
+			);
+
+			expect(element).toBeInTheDocument();
+
+			return element as HTMLElement;
+		});
+
+		await userEvent.click(trigger);
+		await screen.findByRole('listbox');
+	},
+};

frontend/src/components/TanStackTableView/TanStackTable.tsx

@@ -233,12 +233,23 @@ function TanStackTableInner<TData, TItemKey = string>(
 		[effectiveColumns],
 	);
 
+	// A rebuilt column def is a new cell component to React, which remounts every
+	// cell it renders. Read the row callbacks through refs so inline ones do not.
+	const isRowActiveRef = useRef(isRowActive);
+	isRowActiveRef.current = isRowActive;
+	const getRowKeyDataRef = useRef(getRowKeyData);
+	getRowKeyDataRef.current = getRowKeyData;
+
 	const tanstackColumns = useMemo<ColumnDef<TData>[]>(
 		() =>
 			effectiveColumns.map((colDef) =>
-				buildTanstackColumnDef<TData, TItemKey>(colDef, isRowActive, getRowKeyData),
+				buildTanstackColumnDef<TData, TItemKey>(
+					colDef,
+					(row) => isRowActiveRef.current?.(row) ?? false,
+					(index) => getRowKeyDataRef.current(index),
+				),
 			),
-		[effectiveColumns, isRowActive, getRowKeyData],
+		[effectiveColumns],
 	);
 
 	const getRowId = useCallback(

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

@@ -1,8 +1,16 @@
+import { useEffect, useState } from 'react';
 import { fireEvent, screen, waitFor, within } from '@testing-library/react';
 import userEvent from '@testing-library/user-event';
 import { UrlUpdateEvent } from 'nuqs/adapters/testing';
 
-import { renderTanStackTable } from './testUtils';
+import TanStackTable from '../index';
+import type { TableColumnDef } from '../types';
+import {
+	defaultData,
+	renderTanStackTable,
+	renderWithProviders,
+	type TestRow,
+} from './testUtils';
 
 jest.mock('hooks/useDarkMode', () => ({
 	useIsDarkMode: (): boolean => false,
@@ -810,6 +818,58 @@ describe('TanStackTableView Integration', () => {
 		});
 	});
 
+	describe('cell identity', () => {
+		it('keeps cells mounted across re-renders that pass new inline row callbacks', async () => {
+			const user = userEvent.setup();
+			const onMount = jest.fn();
+
+			function MountTracker({ id }: { id: string }): JSX.Element {
+				useEffect(() => onMount(id), [id]);
+				return <span data-testid={`tracked-${id}`}>Row {id}</span>;
+			}
+
+			const columns: TableColumnDef<TestRow>[] = [
+				{
+					id: 'id',
+					header: 'ID',
+					accessorKey: 'id',
+					cell: ({ row }): JSX.Element => <MountTracker id={row.id} />,
+				},
+			];
+
+			function Harness(): JSX.Element {
+				const [, setRenders] = useState(0);
+
+				return (
+					<>
+						<button
+							type="button"
+							data-testid="rerender"
+							onClick={(): void => setRenders((count) => count + 1)}
+						>
+							Re-render
+						</button>
+						<TanStackTable<TestRow>
+							data={defaultData}
+							columns={columns}
+							getRowKey={(row): string => row.id}
+							isRowActive={(row): boolean => row.id === '1'}
+						/>
+					</>
+				);
+			}
+
+			renderWithProviders(<Harness />);
+			await screen.findByTestId('tracked-2');
+			onMount.mockClear();
+
+			await user.click(screen.getByTestId('rerender'));
+			await user.hover(screen.getByTestId('tracked-2'));
+
+			expect(onMount).not.toHaveBeenCalled();
+		});
+	});
+
 	describe('disableVirtualScroll', () => {
 		it('throws error when used with onEndReached', () => {
 			expect(() => {

frontend/src/components/TanStackTableView/stories/TanStackTableView.stories.tsx

@@ -143,6 +143,19 @@ export const Pagination: Story = {
 	},
 };
 
+/** Interaction: the page size menu lists the row counts a page can show. */
+export const PageSizeOpen: Story = {
+	args: {
+		pagination: { total: 42, defaultLimit: 10, showTotalCount: true },
+	},
+	play: async ({ canvasElement }): Promise<void> => {
+		await userEvent.click(
+			await within(canvasElement).findByTestId('pagination-page-size'),
+		);
+		await screen.findByRole('listbox');
+	},
+};
+
 /** Data: the supported empty result keeps the table structure without a fabricated empty state. */
 export const Empty: Story = {
 	args: { data: [], testId: 'tanstack-empty-table' },

frontend/src/modules/Servicemap/stories/ServiceMap.stories.mocks.tsx

@@ -8,6 +8,7 @@ import { QueryParams } from 'constants/query';
 import ROUTES from 'constants/routes';
 import { encode } from 'js-base64';
 import type { Tags } from 'hooks/useResourceAttribute/types';
+import { fireEvent, userEvent, waitFor, within } from 'storybook/test';
 
 import {
 	choiceControl,
@@ -31,6 +32,9 @@ import {
 	type ServiceHealth,
 } from './__story_mockdata__/serviceMap';
 
+/** The keys are only fetched once the select opens, past the 1s default. */
+const untilLoaded = { timeout: 15_000 };
+
 const GRAPH = 'Service map · graph';
 const FILTERS = 'Service map · filters';
 
@@ -129,3 +133,80 @@ export const serviceMapMocks = defineStoryMocks({
 	],
 	config: (values) => ({ route: serviceMapRoute(values.filters) }),
 });
+
+/** Opens the select under a test id; it closes again after every pick. */
+export const openSelect = async (
+	canvasElement: HTMLElement,
+	testId: string,
+): Promise<void> => {
+	const select = await within(canvasElement).findByTestId(
+		testId,
+		undefined,
+		untilLoaded,
+	);
+
+	await userEvent.click(within(select).getByRole('combobox'));
+};
+
+export const OPEN_DROPDOWN =
+	'.ant-select-dropdown:not(.ant-select-dropdown-hidden)';
+
+/** antd keeps a hidden copy of each label for screen readers; the title skips it. */
+const visibleOption = (title: string): HTMLElement | null =>
+	document.querySelector<HTMLElement>(
+		`${OPEN_DROPDOWN} .ant-select-item-option[title="${title}"]`,
+	);
+
+/**
+ * Picks the option titled `title` in the open dropdown. `userEvent.click`
+ * moves focus off the select on the way, which closes it before the option
+ * takes the click.
+ */
+export const pickOption = async (title: string): Promise<void> => {
+	const option = await waitFor(() => {
+		const match = visibleOption(title);
+
+		if (!match) {
+			throw new Error(`option "${title}" not found`);
+		}
+
+		return match;
+	}, untilLoaded);
+
+	await fireEvent.click(option);
+};
+
+/**
+ * Opens the attribute filter on its next step. Each single-choice pick closes
+ * the dropdown and swaps the select for the next step's, and a click that lands
+ * before the swap opens nothing, so it opens again until `title` shows.
+ */
+export const openAttributeFilterOn = (
+	canvasElement: HTMLElement,
+	title: string,
+): Promise<void> =>
+	waitFor(
+		async () => {
+			if (visibleOption(title)) {
+				return;
+			}
+
+			if (!document.querySelector(OPEN_DROPDOWN)) {
+				await openSelect(canvasElement, 'resource-attributes-filter');
+			}
+
+			throw new Error(`option "${title}" not shown`);
+		},
+		{ ...untilLoaded, interval: 500 },
+	);
+
+/** Stages `k8s.cluster.name IN` and leaves the filter open on its values. */
+export const stageClusterIn = async (
+	canvasElement: HTMLElement,
+): Promise<void> => {
+	await openAttributeFilterOn(canvasElement, 'k8s.cluster.name');
+	await pickOption('k8s.cluster.name');
+	await openAttributeFilterOn(canvasElement, 'IN');
+	await pickOption('IN');
+	await openAttributeFilterOn(canvasElement, 'staging-eu');
+};

frontend/src/modules/Servicemap/stories/ServiceMap.stories.tsx

@@ -1,10 +1,17 @@
 import type { Meta, StoryObj } from '@storybook/react-vite';
-import { screen, userEvent, within } from 'storybook/test';
+import { expect, screen, userEvent, waitFor, within } from 'storybook/test';
 
 import { storyMocks } from '@/storybook/controls/defineStoryMocks';
 import type { PageStoryArgs } from '@/storybook/runtime/resolveStory';
 
-import { serviceMapMocks } from './ServiceMap.stories.mocks';
+import {
+	OPEN_DROPDOWN,
+	openAttributeFilterOn,
+	openSelect,
+	pickOption,
+	serviceMapMocks,
+	stageClusterIn,
+} from './ServiceMap.stories.mocks';
 
 import ServiceMapContainer from '../index';
 
@@ -97,3 +104,49 @@ export const FilterAttributes: Story = {
 		await screen.findByText('k8s.cluster.name', undefined, untilLoaded);
 	},
 };
+
+/** A key staged as a chip, the filter open again on how to match it. */
+export const FilterOperators: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await openAttributeFilterOn(canvasElement, 'k8s.cluster.name');
+		await pickOption('k8s.cluster.name');
+		await openAttributeFilterOn(canvasElement, 'Not IN');
+	},
+};
+
+/** A key and `IN` staged, the filter open on the values the key holds. */
+export const FilterValues: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await stageClusterIn(canvasElement);
+	},
+};
+
+/** Two values ticked before the filter is left, which is what applies it. */
+export const FilterValuesSelected: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await stageClusterIn(canvasElement);
+		await pickOption('prod-us-east');
+		await pickOption('prod-eu-west');
+		await waitFor(
+			() =>
+				expect(
+					document.querySelectorAll('.ant-select-item-option-selected'),
+				).toHaveLength(2),
+			untilLoaded,
+		);
+	},
+};
+
+/** The environment selector open on the environments the calls came from. */
+export const EnvironmentOptions: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await openSelect(canvasElement, 'resource-environment-filter');
+		await waitFor(
+			() =>
+				expect(
+					document.querySelector(`${OPEN_DROPDOWN} .ant-select-item-option`),
+				).not.toBeNull(),
+			untilLoaded,
+		);
+	},
+};

frontend/src/pages/AIAssistantPage/stories/AIAssistantPage.stories.mocks.tsx

@@ -4,9 +4,11 @@
  */
 
 import { AI_API_PATH, setAIBackendUrl } from 'api/AIAPIInstance';
+import removeSessionStorage from 'api/browser/sessionstorage/remove';
 import ROUTES from 'constants/routes';
 import { useAIAssistantStore } from 'container/AIAssistant/store/useAIAssistantStore';
 import { rest, type RequestHandler } from 'msw';
+import { expect, userEvent, waitFor, within } from 'storybook/test';
 
 import {
 	choiceControl,
@@ -270,3 +272,58 @@ export const longActionTooltipHandlers: RequestHandler[] = onBothBases(
 		);
 	},
 );
+
+/** The recognizer `.storybook/preview-head.html` installs in place of the browser's. */
+interface StorySpeechRecognition {
+	listening: {
+		hear: (transcript: string) => void;
+		onerror: ((event: { error: string }) => void) | null;
+	} | null;
+}
+
+/**
+ * Clicks the composer's mic and waits for the recording to start. The composer
+ * stays disabled until the thread has loaded.
+ */
+export const startVoiceInput = async (
+	canvasElement: HTMLElement,
+): Promise<void> => {
+	const canvas = within(canvasElement);
+	const mic = await waitFor(
+		async () => {
+			const button = canvas.getByRole('button', { name: /start voice input/i });
+
+			// Depending on its version, Button disables through `disabled` or `aria-disabled`.
+			await expect(button).toBeEnabled();
+			await expect(button).not.toHaveAttribute('aria-disabled', 'true');
+
+			return button;
+		},
+		{ timeout: 15_000 },
+	);
+
+	await userEvent.click(mic);
+	await canvas.findByRole('status', { name: /recording voice input/i });
+};
+
+/** Speaks into the open recording: the words so far, still listening. */
+export const speak = (transcript: string): void => {
+	(
+		window as unknown as { webkitSpeechRecognition: StorySpeechRecognition }
+	).webkitSpeechRecognition.listening?.hear(transcript);
+};
+
+/**
+ * Clears the flag `ChatInput` keeps in sessionStorage after a failed recording,
+ * which hides the mic for the rest of the tab, test-runner's included.
+ */
+export const forgetVoiceFailure = (): void => {
+	removeSessionStorage('ai-assistant-voice-unavailable');
+};
+
+/** Fails the open recording the way the browser's recognizer reports it. */
+export const failVoiceInput = (error: 'network' | 'not-allowed'): void => {
+	(
+		window as unknown as { webkitSpeechRecognition: StorySpeechRecognition }
+	).webkitSpeechRecognition.listening?.onerror?.({ error });
+};

frontend/src/pages/AIAssistantPage/stories/AIAssistantPage.stories.tsx

@@ -9,7 +9,11 @@ import type { PageStoryArgs } from '@/storybook/runtime/resolveStory';
 import AIAssistantPage from '../AIAssistantPage';
 import {
 	aiAssistantMocks,
+	failVoiceInput,
+	forgetVoiceFailure,
 	longActionTooltipHandlers,
+	speak,
+	startVoiceInput,
 } from './AIAssistantPage.stories.mocks';
 import type { ThreadPart } from './__story_mockdata__/aiAssistant';
 
@@ -38,6 +42,7 @@ const meta = {
 	),
 	...pageStory,
 	parameters: { ...pageStory.parameters },
+	beforeEach: forgetVoiceFailure,
 } satisfies Meta<AIAssistantArgs>;
 
 export default meta;
@@ -47,11 +52,15 @@ type Story = StoryObj<AIAssistantArgs>;
 /** The thread list resolves before the thread does, which outlasts the 1s default. */
 const untilLoaded = { timeout: 15_000 };
 
+/** How long what a click opened has to stay on screen to count as open. */
+const HOLD_MS = 1_000;
+
 /**
  * Click something, and keep clicking until what it opens is on screen. The
  * message list remounts its items while it measures a freshly loaded thread, so
  * a single click can land on a row that is about to be replaced, taking the
- * state it just set with it.
+ * state it just set with it. The replacement can land after that state has
+ * rendered, so it has to still be there `HOLD_MS` later.
  */
 const clickUntil = async (
 	find: () => Promise<HTMLElement>,
@@ -60,6 +69,10 @@ const clickUntil = async (
 	await waitFor(async () => {
 		await userEvent.click(await find());
 		await screen.findByText(opens, undefined, { timeout: 1_000 });
+		await new Promise((resolve) => {
+			setTimeout(resolve, HOLD_MS);
+		});
+		screen.getByText(opens);
 	}, untilLoaded);
 };
 
@@ -173,6 +186,36 @@ export const ApprovalDiff: Story = {
 	play: openApprovalDiff,
 };
 
+/**
+ * Dictating a question: the mic listening, the words heard so far in the
+ * composer, and the controls to discard them or stop and send.
+ */
+export const VoiceRecording: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await startVoiceInput(canvasElement);
+		speak('why did checkout p99 jump after the 14:00 deploy');
+		await within(canvasElement).findByDisplayValue(/checkout p99 jump/);
+	},
+};
+
+/** The recognizer reporting it cannot reach the speech service. */
+export const VoiceInputUnavailableToast: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await startVoiceInput(canvasElement);
+		failVoiceInput('network');
+		await screen.findByText(/voice input unavailable in this browser/i);
+	},
+};
+
+/** The browser refusing the microphone. */
+export const MicrophoneDeniedToast: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await startVoiceInput(canvasElement);
+		failVoiceInput('not-allowed');
+		await screen.findByText(/microphone access denied/i);
+	},
+};
+
 /** The comment box a thumbs down opens, which a thumbs up does not. */
 export const NegativeFeedback: Story = {
 	play: async ({ canvasElement }): Promise<void> => {
@@ -223,6 +266,23 @@ export const AddContext: Story = {
 	},
 };
 
+/** "Copy link" on a conversation row, which toasts once the link is copied. */
+export const ConversationLinkCopiedToast: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await clickUntil(async () => {
+			const [actions] = await within(canvasElement).findAllByLabelText(
+				/conversation actions/i,
+				undefined,
+				untilLoaded,
+			);
+
+			return actions;
+		}, /copy link/i);
+		await userEvent.click(await screen.findByText(/copy link/i));
+		await screen.findByText(/conversation link copied to clipboard/i);
+	},
+};
+
 /**
  * Every tooltip the thread carries, held open at once: the composer's voice and
  * send buttons, the sidebar's new conversation, the copy chip under each user
@@ -251,3 +311,13 @@ export const TooltipsInApprovalDiff: Story = {
 export const BottomStrip: Story = {
 	args: { bottomStrip: true },
 };
+
+/**
+ * The recording controls' tooltips, held open: discard, stop and send, and the
+ * send button beside them, which waits for words.
+ */
+export const TooltipsInVoiceRecording: Story = {
+	args: { tooltipsOpen: true, contents: BRIEF },
+	play: async ({ canvasElement }): Promise<void> =>
+		startVoiceInput(canvasElement),
+};

frontend/src/pages/AlertList/AlertOverview/stories/AlertOverview.stories.mocks.tsx

@@ -4,6 +4,7 @@
  */
 
 import { rest } from 'msw';
+import { expect, userEvent, waitFor, within } from 'storybook/test';
 
 import { choiceControl, countControl } from '@/storybook/controls/controls';
 import { defineStoryMocks } from '@/storybook/controls/defineStoryMocks';
@@ -33,6 +34,9 @@ const STORY_RELATIVE_TIME = '6h';
 const RULE = 'Alert overview · rule';
 const PREVIEW = 'Alert overview · preview';
 
+const TEST_NOTIFICATIONS = ['sent', 'no-alerts'] as const;
+type TestNotification = (typeof TEST_NOTIFICATIONS)[number];
+
 export const alertOverviewMocks = defineStoryMocks({
 	controls: {
 		alertSchema: choiceControl<AlertSchema>('Alert schema', {
@@ -66,6 +70,13 @@ export const alertOverviewMocks = defineStoryMocks({
 			value: 3,
 			max: 6,
 		}),
+		testNotification: choiceControl<TestNotification>('Test notification', {
+			group: 'Alert overview · rule',
+			description:
+				'What the test run finds. `sent` raises the success toast, `no-alerts` the error toast saying the condition was not met.',
+			options: TEST_NOTIFICATIONS,
+			value: 'sent',
+		}),
 	},
 	handlers: (values, response) => [
 		rest.get(
@@ -96,7 +107,10 @@ export const alertOverviewMocks = defineStoryMocks({
 				ctx.status(200),
 				ctx.json({
 					status: 'success',
-					data: { alertCount: 2, message: 'Rule tested against the last 6 hours' },
+					data: {
+						alertCount: values.testNotification === 'no-alerts' ? 0 : 2,
+						message: 'Rule tested against the last 6 hours',
+					},
 				}),
 			),
 		),
@@ -146,3 +160,21 @@ export const alertOverviewMocks = defineStoryMocks({
 		route: `/alerts/overview?ruleId=${STORY_RULE_ID}&relativeTime=${STORY_RELATIVE_TIME}`,
 	}),
 });
+
+export const clickFooterButton = async (
+	canvasElement: HTMLElement,
+	testId: string,
+): Promise<void> => {
+	// The footer stays disabled, and remounts, until the rule has loaded.
+	const button = await waitFor(
+		() => {
+			const element = within(canvasElement).getByTestId(testId);
+
+			expect(element).toBeEnabled();
+
+			return element;
+		},
+		{ timeout: 15_000 },
+	);
+	await userEvent.click(button);
+};

frontend/src/pages/AlertList/AlertOverview/stories/AlertOverview.stories.tsx

@@ -1,10 +1,13 @@
 import type { Meta, StoryObj } from '@storybook/react-vite';
-import { screen, userEvent, within } from 'storybook/test';
+import { expect, screen, userEvent, waitFor, within } from 'storybook/test';
 
 import { storyMocks } from '@/storybook/controls/defineStoryMocks';
 import type { PageStoryArgs } from '@/storybook/runtime/resolveStory';
 
-import { alertOverviewMocks } from './AlertOverview.stories.mocks';
+import {
+	alertOverviewMocks,
+	clickFooterButton,
+} from './AlertOverview.stories.mocks';
 
 import AlertList from '../../index';
 
@@ -75,3 +78,33 @@ export const AlertActionsMenu: Story = {
 		await screen.findByRole('menu');
 	},
 };
+
+/** The rule saved unchanged from the footer: the toast raised once the PUT answers. */
+export const AlertRuleUpdatedToast: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await clickFooterButton(canvasElement, 'save-alert-rule-button');
+		await waitFor(() =>
+			expect(screen.getByText(/alert rule updated successfully/i)).toBeVisible(),
+		);
+	},
+};
+
+/** Test Notification from the footer. */
+export const TestNotificationSentToast: Story = {
+	play: async ({ canvasElement, args }): Promise<void> => {
+		await clickFooterButton(canvasElement, 'test-notification-button');
+		if (args.testNotification === 'sent') {
+			await waitFor(() =>
+				expect(
+					screen.getByText(/test notification sent successfully/i),
+				).toBeVisible(),
+			);
+		}
+	},
+};
+
+/** Test Notification finding nothing to alert on: the error toast. */
+export const TestNotificationNoAlertsToast: Story = {
+	args: { testNotification: 'no-alerts' },
+	play: TestNotificationSentToast.play,
+};

frontend/src/pages/AlertList/AlertRules/stories/AlertRules.stories.mocks.tsx

@@ -3,7 +3,8 @@
  * Do not hand-edit: regenerate instead.
  */
 
-import { rest } from 'msw';
+import { rest, type ResponseComposition, type RestContext } from 'msw';
+import { screen, userEvent, within } from 'storybook/test';
 
 import { choiceControl, countControl } from '@/storybook/controls/controls';
 import { defineStoryMocks } from '@/storybook/controls/defineStoryMocks';
@@ -19,6 +20,34 @@ import {
 import { AlertListTabs } from '../../types';
 
 const LIST = 'Alert rules · list';
+const ACTIONS = 'Alert rules · row actions';
+
+const ACTION_STATES = ['success', 'loading', 'error'] as const;
+type ActionState = (typeof ACTION_STATES)[number];
+
+const actionDescription = (call: string): string =>
+	`How the ${call} behind the row action answers. \`loading\` never answers and keeps the promise toast pending, \`error\` settles it with the failure.`;
+
+const actionResponse = (
+	state: ActionState,
+	res: ResponseComposition,
+	ctx: RestContext,
+	body: () => unknown,
+): ReturnType<ResponseComposition> => {
+	if (state === 'loading') {
+		return res(ctx.delay('infinite'));
+	}
+
+	return state === 'error'
+		? res(
+				ctx.status(500),
+				ctx.json({
+					status: 'error',
+					error: { code: 'internal', message: 'The server could not finish' },
+				}),
+			)
+		: res(ctx.status(200), ctx.json(body()));
+};
 
 export const alertRulesMocks = defineStoryMocks({
 	controls: {
@@ -41,6 +70,24 @@ export const alertRulesMocks = defineStoryMocks({
 			options: RULE_STATE_CHOICES,
 			value: 'mixed',
 		}),
+		toggleState: choiceControl<ActionState>('Enable or disable', {
+			group: ACTIONS,
+			description: actionDescription('PATCH'),
+			options: ACTION_STATES,
+			value: 'success',
+		}),
+		cloneState: choiceControl<ActionState>('Clone', {
+			group: ACTIONS,
+			description: actionDescription('POST'),
+			options: ACTION_STATES,
+			value: 'success',
+		}),
+		deleteState: choiceControl<ActionState>('Delete', {
+			group: ACTIONS,
+			description: actionDescription('DELETE'),
+			options: ACTION_STATES,
+			value: 'success',
+		}),
 	},
 	handlers: (values, response) => [
 		rest.get(
@@ -52,6 +99,47 @@ export const alertRulesMocks = defineStoryMocks({
 				}),
 			),
 		),
+
+		rest.patch('http://localhost/api/v2/rules/:id', (_req, res, ctx) =>
+			actionResponse(values.toggleState, res, ctx, () => ({
+				status: 'success',
+				data: null,
+			})),
+		),
+
+		rest.post('http://localhost/api/v2/rules', (_req, res, ctx) =>
+			actionResponse(values.cloneState, res, ctx, () => ({
+				status: 'success',
+				data: alertRulesResponse(1, {
+					severity: values.ruleSeverity,
+					state: values.ruleState,
+				}).data?.[0],
+			})),
+		),
+
+		rest.delete('http://localhost/api/v2/rules/:id', (_req, res, ctx) =>
+			actionResponse(values.deleteState, res, ctx, () => ({
+				status: 'success',
+				data: null,
+			})),
+		),
 	],
 	config: () => ({ route: `/alerts?tab=${AlertListTabs.ALERT_RULES}` }),
 });
+
+/** The page fetches before it renders a row, which outlasts the 1s default. */
+export const untilLoaded = { timeout: 15_000 };
+
+export const runRowAction = async (
+	canvasElement: HTMLElement,
+	name: RegExp,
+): Promise<void> => {
+	const [actions] = await within(canvasElement).findAllByTestId(
+		'alert-actions',
+		undefined,
+		untilLoaded,
+	);
+
+	await userEvent.click(actions);
+	await userEvent.click(await screen.findByRole('menuitem', { name }));
+};

frontend/src/pages/AlertList/AlertRules/stories/AlertRules.stories.tsx

@@ -1,10 +1,14 @@
 import type { Meta, StoryObj } from '@storybook/react-vite';
-import { screen, userEvent, within } from 'storybook/test';
+import { expect, screen, userEvent, waitFor, within } from 'storybook/test';
 
 import { storyMocks } from '@/storybook/controls/defineStoryMocks';
 import type { PageStoryArgs } from '@/storybook/runtime/resolveStory';
 
-import { alertRulesMocks } from './AlertRules.stories.mocks';
+import {
+	alertRulesMocks,
+	runRowAction,
+	untilLoaded,
+} from './AlertRules.stories.mocks';
 
 import AlertList from '../../index';
 import { RULE_MAX } from '../../stories/__story_mockdata__/alerts';
@@ -31,9 +35,6 @@ export default meta;
 
 type Story = StoryObj<AlertRulesArgs>;
 
-/** The page fetches before it renders a row, which outlasts the 1s default. */
-const untilLoaded = { timeout: 15_000 };
-
 /**
  * Every alert rule the org has configured, with the state each one evaluated to
  * on its last run and the severity it fires at.
@@ -149,3 +150,95 @@ export const BottomStripPaginated: Story = {
 		signoz: { route: '/alerts?tab=AlertRules&page=2&limit=10' },
 	},
 };
+
+/** Enable or Disable from the row menu: the promise toast, pending then settled. */
+export const ToggleAlertToast: Story = {
+	play: async ({ canvasElement, args }): Promise<void> => {
+		await runRowAction(canvasElement, /^(enable|disable)$/i);
+		if (args.toggleState === 'success') {
+			await waitFor(() =>
+				expect(screen.getByText(/alert (enabled|disabled)/i)).toBeVisible(),
+			);
+		}
+	},
+};
+
+/** The PATCH never answers: the "Enabling or Disabling alert..." toast stays pending. */
+export const ToggleAlertLoadingToast: Story = {
+	args: { toggleState: 'loading' },
+	play: ToggleAlertToast.play,
+};
+
+/** The PATCH failed: the promise toast settles with the server message. */
+export const ToggleAlertErrorToast: Story = {
+	args: { toggleState: 'error' },
+	parameters: { allowConsoleErrors: true },
+	play: ToggleAlertToast.play,
+};
+
+/** Clone from the row menu. */
+export const CloneAlertToast: Story = {
+	play: async ({ canvasElement, args }): Promise<void> => {
+		await runRowAction(canvasElement, /^clone$/i);
+		if (args.cloneState === 'success') {
+			await waitFor(() =>
+				expect(screen.getByText(/alert cloned successfully/i)).toBeVisible(),
+			);
+		}
+	},
+};
+
+/** The POST never answers: "Cloning alert..." stays pending. */
+export const CloneAlertLoadingToast: Story = {
+	args: { cloneState: 'loading' },
+	play: CloneAlertToast.play,
+};
+
+/** The POST failed. */
+export const CloneAlertErrorToast: Story = {
+	args: { cloneState: 'error' },
+	parameters: { allowConsoleErrors: true },
+	play: CloneAlertToast.play,
+};
+
+/** Delete from the row menu. */
+export const DeleteAlertToast: Story = {
+	play: async ({ canvasElement, args }): Promise<void> => {
+		await runRowAction(canvasElement, /^delete$/i);
+		if (args.deleteState === 'success') {
+			await waitFor(() =>
+				expect(screen.getByText(/alert deleted successfully/i)).toBeVisible(),
+			);
+		}
+	},
+};
+
+/** The DELETE never answers: "Deleting alert..." stays pending. */
+export const DeleteAlertLoadingToast: Story = {
+	args: { deleteState: 'loading' },
+	play: DeleteAlertToast.play,
+};
+
+/** The DELETE failed. */
+export const DeleteAlertErrorToast: Story = {
+	args: { deleteState: 'error' },
+	parameters: { allowConsoleErrors: true },
+	play: DeleteAlertToast.play,
+};
+
+/** The copy button in a label badge's tooltip, clicked. */
+export const LabelCopiedToast: Story = {
+	args: { tooltipsOpen: true },
+	play: async (): Promise<void> => {
+		const [copy] = await screen.findAllByRole(
+			'button',
+			{ name: 'Copy to clipboard' },
+			untilLoaded,
+		);
+
+		await userEvent.click(copy);
+		await waitFor(() =>
+			expect(screen.getByText(/copied! use in search/i)).toBeVisible(),
+		);
+	},
+};

frontend/src/pages/AlertList/PlannedDowntime/stories/PlannedDowntime.stories.mocks.tsx

@@ -4,6 +4,7 @@
  */
 
 import { rest } from 'msw';
+import { userEvent, within } from 'storybook/test';
 
 import { choiceControl, countControl } from '@/storybook/controls/controls';
 import { defineStoryMocks } from '@/storybook/controls/defineStoryMocks';
@@ -11,8 +12,9 @@ import { defineStoryMocks } from '@/storybook/controls/defineStoryMocks';
 import {
 	DOWNTIME_KINDS,
 	DOWNTIME_MAX,
-	downtimeSchedulesResponse,
 	type DowntimeKind,
+	downtimeSchedulesResponse,
+	FIRST_DOWNTIME_NAME,
 } from './__story_mockdata__/plannedDowntime';
 
 import {
@@ -101,3 +103,28 @@ export const plannedDowntimeMocks = defineStoryMocks({
 		route: `/alerts?tab=${AlertListTabs.CONFIGURATION}&subTab=${AlertListSubTabs.PLANNED_DOWNTIME}`,
 	}),
 });
+
+/** The page fetches before it renders a row, which outlasts the 1s default. */
+export const untilLoaded = { timeout: 15_000 };
+
+export const clickFirstRowAction = async (
+	canvasElement: HTMLElement,
+	action: 'edit' | 'delete',
+): Promise<void> => {
+	const icon = (
+		await within(canvasElement).findByText(
+			FIRST_DOWNTIME_NAME,
+			undefined,
+			untilLoaded,
+		)
+	)
+		.closest('.header-content')
+		// The row action holds edit then delete, neither of them labelled.
+		?.querySelectorAll('.action-btn svg')[action === 'edit' ? 0 : 1];
+
+	if (!icon) {
+		throw new Error(`Downtime ${action} action did not render`);
+	}
+
+	await userEvent.click(icon);
+};

frontend/src/pages/AlertList/PlannedDowntime/stories/PlannedDowntime.stories.tsx

@@ -4,7 +4,11 @@ import { screen, userEvent, within } from 'storybook/test';
 import { storyMocks } from '@/storybook/controls/defineStoryMocks';
 import type { PageStoryArgs } from '@/storybook/runtime/resolveStory';
 
-import { plannedDowntimeMocks } from './PlannedDowntime.stories.mocks';
+import {
+	clickFirstRowAction,
+	plannedDowntimeMocks,
+	untilLoaded,
+} from './PlannedDowntime.stories.mocks';
 import { FIRST_DOWNTIME_NAME } from './__story_mockdata__/plannedDowntime';
 
 import AlertList from '../../index';
@@ -31,9 +35,6 @@ export default meta;
 
 type Story = StoryObj<PlannedDowntimeArgs>;
 
-/** The page fetches before it renders a row, which outlasts the 1s default. */
-const untilLoaded = { timeout: 15_000 };
-
 /**
  * The windows where alerting is held back: what is running now, what is
  * scheduled, and which rules each one silences.
@@ -82,27 +83,36 @@ export const NewDowntime: Story = {
 /** The deletion confirmation opened from the first schedule's real row action. */
 export const DeleteDowntimeConfirm: Story = {
 	play: async ({ canvasElement }): Promise<void> => {
-		const action = (
-			await within(canvasElement).findByText(
-				FIRST_DOWNTIME_NAME,
-				undefined,
-				untilLoaded,
-			)
-		)
-			.closest('.header-content')
-			// The row action holds edit then delete, neither of them labelled.
-			?.querySelectorAll('.action-btn svg')[1];
-
-		if (!action) {
-			throw new Error('Downtime delete action did not render');
-		}
-
-		await userEvent.click(action);
+		await clickFirstRowAction(canvasElement, 'delete');
 		// The modal titles itself and its confirm button the same.
 		await screen.findByRole('button', { name: 'Delete Schedule' });
 	},
 };
 
+/**
+ * The first schedule opened for editing: the specific rules it silences sit
+ * above the rule picker, each with its own remove button.
+ */
+export const EditDowntime: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await clickFirstRowAction(canvasElement, 'edit');
+		await screen.findByText(/edit planned downtime/i);
+		await screen.findByText(/^Postgres connections/);
+	},
+};
+
+/** The new-downtime form set to repeat weekly, which adds the days and duration. */
+export const NewDowntimeRecurring: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await NewDowntime.play?.({ canvasElement } as never);
+		await userEvent.click(
+			await screen.findByRole('combobox', { name: 'Repeats every' }),
+		);
+		await userEvent.click(await screen.findByText('Weekly'));
+		await screen.findByText('Duration');
+	},
+};
+
 /** A client-side search with no matching downtime schedule. */
 export const SearchNoResults: Story = {
 	play: async ({ canvasElement }): Promise<void> => {

frontend/src/pages/AlertList/RoutingPolicies/stories/RoutingPolicies.stories.mocks.tsx

@@ -4,6 +4,7 @@
  */
 
 import { rest } from 'msw';
+import { screen, userEvent, within } from 'storybook/test';
 
 import { choiceControl, countControl } from '@/storybook/controls/controls';
 import { defineStoryMocks } from '@/storybook/controls/defineStoryMocks';
@@ -26,6 +27,18 @@ const REQUEST = 'Routing policies · requests';
 const REQUEST_STATES = ['loaded', 'error'] as const;
 type RequestState = (typeof REQUEST_STATES)[number];
 
+const MUTATION_STATES = ['success', 'error'] as const;
+type MutationState = (typeof MUTATION_STATES)[number];
+
+const MUTATION = 'Routing policies · mutations';
+
+const mutationError = (
+	message: string,
+): { status: string; error: { code: string; message: string } } => ({
+	status: 'error',
+	error: { code: 'invalid_input', message },
+});
+
 export const routingPoliciesMocks = defineStoryMocks({
 	controls: {
 		policies: countControl('Routing policies', {
@@ -51,6 +64,27 @@ export const routingPoliciesMocks = defineStoryMocks({
 			options: REQUEST_STATES,
 			value: 'loaded',
 		}),
+		createState: choiceControl<MutationState>('Create policy', {
+			group: MUTATION,
+			description:
+				'How the POST behind "Save Routing Policy" answers. `error` raises the error toast.',
+			options: MUTATION_STATES,
+			value: 'success',
+		}),
+		updateState: choiceControl<MutationState>('Update policy', {
+			group: MUTATION,
+			description:
+				'How the PUT behind "Save Routing Policy" answers when editing. `error` raises the error toast.',
+			options: MUTATION_STATES,
+			value: 'success',
+		}),
+		deleteState: choiceControl<MutationState>('Delete policy', {
+			group: MUTATION,
+			description:
+				'How the DELETE behind the confirmation answers. `error` raises the error toast.',
+			options: MUTATION_STATES,
+			value: 'success',
+		}),
 	},
 	handlers: (values, _response) => [
 		rest.get('http://localhost/api/v1/route_policies', (_req, res, ctx) =>
@@ -64,15 +98,24 @@ export const routingPoliciesMocks = defineStoryMocks({
 		),
 
 		rest.post('http://localhost/api/v1/route_policies', (_req, res, ctx) =>
-			res(ctx.status(201), ctx.json({ status: 'success', data: null })),
+			values.createState === 'error'
+				? res(
+						ctx.status(400),
+						ctx.json(mutationError('Policy name already exists')),
+					)
+				: res(ctx.status(201), ctx.json({ status: 'success', data: null })),
 		),
 
 		rest.put('http://localhost/api/v1/route_policies/:id', (_req, res, ctx) =>
-			res(ctx.status(200), ctx.json({ status: 'success', data: null })),
+			values.updateState === 'error'
+				? res(ctx.status(500), ctx.json(mutationError('Could not update')))
+				: res(ctx.status(200), ctx.json({ status: 'success', data: null })),
 		),
 
 		rest.delete('http://localhost/api/v1/route_policies/:id', (_req, res, ctx) =>
-			res(ctx.status(200), ctx.json({ status: 'success', data: null })),
+			values.deleteState === 'error'
+				? res(ctx.status(500), ctx.json(mutationError('Could not delete')))
+				: res(ctx.status(200), ctx.json({ status: 'success', data: null })),
 		),
 
 		rest.get('http://localhost/api/v1/channels', (_req, res, ctx) =>
@@ -85,3 +128,40 @@ export const routingPoliciesMocks = defineStoryMocks({
 		route: `/alerts?tab=${AlertListTabs.CONFIGURATION}&subTab=${AlertListSubTabs.ROUTING_POLICIES}`,
 	}),
 });
+
+/** The page fetches before it renders a row, which outlasts the 1s default. */
+export const untilLoaded = { timeout: 15_000 };
+
+export const fillNewPolicy = async (): Promise<void> => {
+	await userEvent.type(
+		await screen.findByPlaceholderText('e.g. Base routing policy...'),
+		'Toast policy',
+	);
+	await userEvent.type(
+		await screen.findByPlaceholderText(/e\.g\. service\.name/),
+		'severity = "critical"',
+	);
+	await userEvent.click(await screen.findByRole('combobox'));
+	await userEvent.click(await screen.findByTitle('ops-slack'));
+	await userEvent.keyboard('{Escape}');
+	await userEvent.click(
+		await screen.findByRole('button', { name: 'Save Routing Policy' }),
+	);
+};
+
+export const openEditPolicy = async (
+	canvasElement: HTMLElement,
+): Promise<void> => {
+	await userEvent.click(
+		(
+			await within(canvasElement).findAllByTestId(
+				'edit-routing-policy',
+				undefined,
+				untilLoaded,
+			)
+		)[0],
+	);
+	await userEvent.click(
+		await screen.findByRole('button', { name: 'Save Routing Policy' }),
+	);
+};

frontend/src/pages/AlertList/RoutingPolicies/stories/RoutingPolicies.stories.tsx

@@ -1,10 +1,15 @@
 import type { Meta, StoryObj } from '@storybook/react-vite';
-import { screen, userEvent, within } from 'storybook/test';
+import { expect, screen, userEvent, waitFor, within } from 'storybook/test';
 
 import { storyMocks } from '@/storybook/controls/defineStoryMocks';
 import type { PageStoryArgs } from '@/storybook/runtime/resolveStory';
 
-import { routingPoliciesMocks } from './RoutingPolicies.stories.mocks';
+import {
+	fillNewPolicy,
+	openEditPolicy,
+	routingPoliciesMocks,
+	untilLoaded,
+} from './RoutingPolicies.stories.mocks';
 import { FIRST_POLICY_NAME } from './__story_mockdata__/routingPolicies';
 
 import AlertList from '../../index';
@@ -31,9 +36,6 @@ export default meta;
 
 type Story = StoryObj<RoutingPoliciesArgs>;
 
-/** The page fetches before it renders a row, which outlasts the 1s default. */
-const untilLoaded = { timeout: 15_000 };
-
 /**
  * The rules that decide which channel an alert reaches, matched on the labels
  * the alert carries.
@@ -137,3 +139,74 @@ export const FormValidationError: Story = {
 		await screen.findByText('Please provide a name for the routing policy');
 	},
 };
+
+const confirmDelete = async (canvasElement: HTMLElement): Promise<void> => {
+	await DeletePolicyConfirm.play?.({ canvasElement } as never);
+	await userEvent.click(
+		await screen.findByRole('button', { name: 'Delete Routing Policy' }),
+	);
+};
+
+/** A new policy saved: the toast raised once the POST answers. */
+export const CreatePolicyToast: Story = {
+	play: async ({ canvasElement, args }): Promise<void> => {
+		await NewPolicy.play?.({ canvasElement } as never);
+		await fillNewPolicy();
+		if (args.createState === 'success') {
+			await waitFor(() =>
+				expect(
+					screen.getByText(/routing policy created successfully/i),
+				).toBeVisible(),
+			);
+		}
+	},
+};
+
+/** The POST failed: the error toast carries the server message. */
+export const CreatePolicyErrorToast: Story = {
+	args: { createState: 'error' },
+	parameters: { allowConsoleErrors: true },
+	play: CreatePolicyToast.play,
+};
+
+/** An existing policy saved unchanged from its edit form. */
+export const UpdatePolicyToast: Story = {
+	play: async ({ canvasElement, args }): Promise<void> => {
+		await openEditPolicy(canvasElement);
+		if (args.updateState === 'success') {
+			await waitFor(() =>
+				expect(
+					screen.getByText(/routing policy updated successfully/i),
+				).toBeVisible(),
+			);
+		}
+	},
+};
+
+/** The PUT failed. */
+export const UpdatePolicyErrorToast: Story = {
+	args: { updateState: 'error' },
+	parameters: { allowConsoleErrors: true },
+	play: UpdatePolicyToast.play,
+};
+
+/** The first policy deleted from its confirmation. */
+export const DeletePolicyToast: Story = {
+	play: async ({ canvasElement, args }): Promise<void> => {
+		await confirmDelete(canvasElement);
+		if (args.deleteState === 'success') {
+			await waitFor(() =>
+				expect(
+					screen.getByText(/routing policy deleted successfully/i),
+				).toBeVisible(),
+			);
+		}
+	},
+};
+
+/** The DELETE failed. */
+export const DeletePolicyErrorToast: Story = {
+	args: { deleteState: 'error' },
+	parameters: { allowConsoleErrors: true },
+	play: DeletePolicyToast.play,
+};

frontend/src/pages/AlertList/TriggeredAlerts/stories/TriggeredAlerts.stories.tsx

@@ -1,5 +1,12 @@
 import type { Meta, StoryObj } from '@storybook/react-vite';
-import { screen, userEvent, within } from 'storybook/test';
+import {
+	expect,
+	fireEvent,
+	screen,
+	userEvent,
+	waitFor,
+	within,
+} from 'storybook/test';
 
 import { storyMocks } from '@/storybook/controls/defineStoryMocks';
 import type { PageStoryArgs } from '@/storybook/runtime/resolveStory';
@@ -148,3 +155,23 @@ export const Tooltips: Story = {
 	args: { tooltipsOpen: true },
 	parameters: { msw: { handlers: [overflowingLabels] } },
 };
+
+/** The copy button in the overflow chip's tooltip, clicked. */
+export const OverflowLabelsCopiedToast: Story = {
+	args: { tooltipsOpen: true },
+	parameters: { msw: { handlers: [overflowingLabels] } },
+	play: async (): Promise<void> => {
+		// The overflow tooltips render after the label ones, and theirs come last.
+		await screen.findAllByText(/^ruleId: /, undefined, { timeout: 15_000 });
+		const copyButtons = screen.getAllByRole('button', {
+			name: 'Copy to clipboard',
+		});
+
+		// A pointerdown re-renders the held-open tooltip under the pointer, so the
+		// click is dispatched alone.
+		await fireEvent.click(copyButtons[copyButtons.length - 1]);
+		await waitFor(() =>
+			expect(screen.getByText(/copied! use in search/i)).toBeVisible(),
+		);
+	},
+};

frontend/src/pages/AllErrors/stories/AllErrors.stories.mocks.tsx

@@ -6,9 +6,19 @@
 import { rest } from 'msw';
 import set from 'api/browser/localstorage/set';
 import { LOCALSTORAGE } from 'constants/localStorage';
+import { screen, userEvent, waitFor, within } from 'storybook/test';
 
-import { countControl, toggleControl } from '@/storybook/controls/controls';
+import {
+	choiceControl,
+	countControl,
+	toggleControl,
+} from '@/storybook/controls/controls';
 import { defineStoryMocks } from '@/storybook/controls/defineStoryMocks';
+import {
+	RESPONSE_STATES,
+	type ResponseState,
+	respondWith,
+} from '@/storybook/runtime/responseState';
 import { fieldValuesResponse } from '@/storybook/msw/__story_mockdata__/fields';
 
 import {
@@ -23,6 +33,9 @@ import {
 	type ListErrorsBody,
 } from './__story_mockdata__/exceptions';
 
+/** The page fetches before it renders a row, which outlasts the 1s default. */
+const untilLoaded = { timeout: 15_000 };
+
 const LIST = 'Exceptions · list';
 const FILTERS = 'Exceptions · filters';
 
@@ -42,6 +55,13 @@ export const exceptionsMocks = defineStoryMocks({
 			value: 6,
 			max: EXCEPTION_QUICK_FILTER_CAP,
 		}),
+		filterKeys: choiceControl<ResponseState>('Filter keys', {
+			group: FILTERS,
+			description:
+				'How `/autocomplete/attribute_keys` answers when the resource filter opens, apart from the page-wide Data control.',
+			options: RESPONSE_STATES,
+			value: 'loaded',
+		}),
 		filterPanel: toggleControl('Quick filters panel', {
 			group: FILTERS,
 			description:
@@ -92,7 +112,7 @@ export const exceptionsMocks = defineStoryMocks({
 
 		rest.get(
 			'http://localhost/api/v3/autocomplete/attribute_keys',
-			response.json((req) =>
+			respondWith(values.filterKeys, (req) =>
 				exceptionAttributeKeysResponse(req.url.searchParams.get('searchText')),
 			),
 		),
@@ -111,3 +131,61 @@ export const exceptionsMocks = defineStoryMocks({
 		set(LOCALSTORAGE.SHOW_EXCEPTIONS_QUICK_FILTERS, String(values.filterPanel));
 	},
 });
+
+export const openResourceFilter = async (
+	canvasElement: HTMLElement,
+): Promise<HTMLElement> => {
+	const filter = await within(canvasElement).findByTestId(
+		'qb-search-select',
+		undefined,
+		untilLoaded,
+	);
+
+	await userEvent.click(within(filter).getByRole('combobox'));
+
+	return filter;
+};
+
+/**
+ * Clicks the visible row whose label is `text`. The dropdown renders in the
+ * body, a key row carries its type beside the label, and antd keeps a hidden
+ * copy of each label for screen readers that takes no clicks.
+ *
+ * The key list renders twice after the filter opens, since a second key
+ * request empties it until it answers. The click happens in the same task as
+ * the lookup: `fireEvent` from `storybook/test` dispatches a tick later, which
+ * can land on a row already removed and never reach React.
+ */
+export const pickSuggestion = async (text: string): Promise<void> => {
+	await waitFor(() => {
+		const match = Array.from(
+			document.querySelectorAll<HTMLElement>(
+				'.query-builder-search.ant-select-dropdown:not(.ant-select-dropdown-hidden) .ant-select-item-option',
+			),
+		).find((option) =>
+			Array.from(option.querySelectorAll('*')).some(
+				(node) => node.children.length === 0 && node.textContent === text,
+			),
+		);
+
+		if (!match) {
+			throw new Error(`suggestion "${text}" not found`);
+		}
+
+		// `userEvent.click` moves focus off the search input on the way, which closes
+		// the dropdown before the row takes the click.
+		match.click();
+	}, untilLoaded);
+};
+
+export const commitFilter = async (
+	key: string,
+	operator: string,
+	value: string,
+): Promise<void> => {
+	await pickSuggestion(key);
+	await screen.findByText('Operator for', { exact: false }, untilLoaded);
+	await pickSuggestion(operator);
+	await screen.findByText('Value(s) for', { exact: false }, untilLoaded);
+	await pickSuggestion(value);
+};

frontend/src/pages/AllErrors/stories/AllErrors.stories.tsx

@@ -5,7 +5,12 @@ import { expect, screen, userEvent, waitFor, within } from 'storybook/test';
 import { storyMocks } from '@/storybook/controls/defineStoryMocks';
 import type { PageStoryArgs } from '@/storybook/runtime/resolveStory';
 
-import { exceptionsMocks } from './AllErrors.stories.mocks';
+import {
+	commitFilter,
+	exceptionsMocks,
+	openResourceFilter,
+	pickSuggestion,
+} from './AllErrors.stories.mocks';
 import AllErrors from '../index';
 
 type AllErrorsArgs = PageStoryArgs<typeof exceptionsMocks>;
@@ -133,3 +138,108 @@ export const QuickFiltersSettingsWithBanner: Story = {
 export const BottomStrip: Story = {
 	args: { bottomStrip: true },
 };
+
+/** The resource filter opened: every key the exceptions can be narrowed by. */
+export const FilterKeySuggestions: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await openResourceFilter(canvasElement);
+		await screen.findByText('Suggested Filters', undefined, untilLoaded);
+	},
+};
+
+/** The key list grown past its first rows with the Show all shortcut. */
+export const FilterAllKeys: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await openResourceFilter(canvasElement);
+		await screen.findByText('Show all filter items', undefined, untilLoaded);
+		await userEvent.keyboard('{Control>}/{/Control}');
+		await screen.findByText('cloud.region', undefined, untilLoaded);
+	},
+};
+
+/** A partial key: the typed text as a free search, then the keys that match. */
+export const FilterPartialKey: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		const filter = await openResourceFilter(canvasElement);
+
+		await userEvent.type(within(filter).getByRole('combobox'), 'serv');
+		await screen.findByText('service.namespace', undefined, untilLoaded);
+	},
+};
+
+/** A key picked: the operators the exceptions page allows for it. */
+export const FilterOperatorSuggestions: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await openResourceFilter(canvasElement);
+		await pickSuggestion('service.name');
+		await screen.findByText('Operator for', { exact: false }, untilLoaded);
+	},
+};
+
+/** A key and an operator picked: the values the key holds. */
+export const FilterValueSuggestions: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await openResourceFilter(canvasElement);
+		await pickSuggestion('service.name');
+		await pickSuggestion('=');
+		await screen.findByText('Value(s) for', { exact: false }, untilLoaded);
+	},
+};
+
+/** Two conditions committed as chips, with the dropdown closed again. */
+export const FilterChips: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await openResourceFilter(canvasElement);
+		await commitFilter('service.name', '=', 'checkout');
+		await commitFilter('deployment.environment', '!=', 'staging');
+		await userEvent.click(canvasElement.ownerDocument.body);
+		await within(canvasElement).findByText(
+			'deployment.environment != staging',
+			undefined,
+			untilLoaded,
+		);
+	},
+};
+
+/**
+ * A committed chip clicked to change it: its text goes back into the input,
+ * with the dropdown shut until the input is typed into.
+ */
+export const FilterEditChip: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await openResourceFilter(canvasElement);
+		await commitFilter('service.name', '=', 'checkout');
+		await userEvent.click(
+			await within(canvasElement).findByText(
+				'service.name = checkout',
+				undefined,
+				untilLoaded,
+			),
+		);
+		// The select remounts whenever its chips change, so it is looked up again.
+		await waitFor(
+			() =>
+				expect(
+					within(within(canvasElement).getByTestId('qb-search-select')).getByRole(
+						'combobox',
+					),
+				).toHaveValue('service.name = checkout'),
+			untilLoaded,
+		);
+	},
+};
+
+/** The key list while its request is still in flight. */
+export const FilterKeysLoading: Story = {
+	args: { filterKeys: 'loading' },
+	play: async ({ canvasElement }): Promise<void> => {
+		await openResourceFilter(canvasElement);
+		await waitFor(
+			() =>
+				expect(
+					document.querySelector('.query-builder-search .ant-spin'),
+				).not.toBeNull(),
+			untilLoaded,
+		);
+	},
+};

frontend/src/pages/CreateAlert/stories/CreateAlert.stories.mocks.tsx

@@ -7,6 +7,7 @@ import { QueryParams } from 'constants/query';
 import ROUTES from 'constants/routes';
 import { AlertDetectionTypes } from 'container/FormAlertRules';
 import { rest } from 'msw';
+import { expect, screen, userEvent, waitFor, within } from 'storybook/test';
 import { AlertTypes } from 'types/api/alerts/alertTypes';
 
 import { choiceControl, countControl } from '@/storybook/controls/controls';
@@ -76,6 +77,9 @@ const routeFor = (mode: AlertMode): string => {
 
 const FORM = 'Create alert · form';
 
+const TEST_NOTIFICATIONS = ['sent', 'no-alerts'] as const;
+type TestNotification = (typeof TEST_NOTIFICATIONS)[number];
+
 export const createAlertMocks = defineStoryMocks({
 	controls: {
 		alertMode: choiceControl<AlertMode>('Alert being created', {
@@ -96,6 +100,13 @@ export const createAlertMocks = defineStoryMocks({
 			value: 3,
 			max: 6,
 		}),
+		testNotification: choiceControl<TestNotification>('Test notification', {
+			group: 'Create alert · form',
+			description:
+				'What the test run finds. `sent` raises the success toast, `no-alerts` the error toast saying the condition was not met.',
+			options: TEST_NOTIFICATIONS,
+			value: 'sent',
+		}),
 	},
 	handlers: (values, response) => [
 		rest.post('http://localhost/api/v2/rules', (_req, res, ctx) =>
@@ -107,7 +118,10 @@ export const createAlertMocks = defineStoryMocks({
 				ctx.status(200),
 				ctx.json({
 					status: 'success',
-					data: { alertCount: 2, message: 'Rule tested against the last 6 hours' },
+					data: {
+						alertCount: values.testNotification === 'no-alerts' ? 0 : 2,
+						message: 'Rule tested against the last 6 hours',
+					},
 				}),
 			),
 		),
@@ -155,3 +169,35 @@ export const createAlertMocks = defineStoryMocks({
 	],
 	config: (values) => ({ route: routeFor(values.alertMode) }),
 });
+
+const untilLoaded = { timeout: 15_000 };
+
+export const fillValidAlert = async (
+	canvasElement: HTMLElement,
+): Promise<void> => {
+	const canvas = within(canvasElement);
+
+	await userEvent.type(
+		await canvas.findByTestId('alert-name-input', undefined, untilLoaded),
+		'Toast alert',
+	);
+	const channels = await canvas.findByTestId(
+		'threshold-notification-channel-select',
+		undefined,
+		untilLoaded,
+	);
+
+	await userEvent.click(within(channels).getByRole('combobox'));
+	await userEvent.click(await screen.findByTitle('ops-slack'));
+	await userEvent.keyboard('{Escape}');
+};
+
+export const clickFooterButton = async (
+	canvasElement: HTMLElement,
+	testId: string,
+): Promise<void> => {
+	const button = await within(canvasElement).findByTestId(testId);
+
+	await waitFor(() => expect(button).toBeEnabled());
+	await userEvent.click(button);
+};

frontend/src/pages/CreateAlert/stories/CreateAlert.stories.tsx

@@ -1,10 +1,14 @@
 import type { Meta, StoryObj } from '@storybook/react-vite';
-import { screen, userEvent, within } from 'storybook/test';
+import { expect, screen, userEvent, waitFor, within } from 'storybook/test';
 
 import { storyMocks } from '@/storybook/controls/defineStoryMocks';
 import type { PageStoryArgs } from '@/storybook/runtime/resolveStory';
 
-import { createAlertMocks } from './CreateAlert.stories.mocks';
+import {
+	clickFooterButton,
+	createAlertMocks,
+	fillValidAlert,
+} from './CreateAlert.stories.mocks';
 
 import CreateAlertPage from '../index';
 
@@ -87,3 +91,35 @@ export const Tooltips: Story = {
 		await screen.findByText('Example:', undefined, { timeout: 15_000 });
 	},
 };
+
+/** A valid rule saved from the footer: the toast raised once the POST answers. */
+export const AlertRuleCreatedToast: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await fillValidAlert(canvasElement);
+		await clickFooterButton(canvasElement, 'save-alert-rule-button');
+		await waitFor(() =>
+			expect(screen.getByText(/alert rule created successfully/i)).toBeVisible(),
+		);
+	},
+};
+
+/** Test Notification on a rule whose condition fires: the success toast. */
+export const TestNotificationSentToast: Story = {
+	play: async ({ canvasElement, args }): Promise<void> => {
+		await fillValidAlert(canvasElement);
+		await clickFooterButton(canvasElement, 'test-notification-button');
+		if (args.testNotification === 'sent') {
+			await waitFor(() =>
+				expect(
+					screen.getByText(/test notification sent successfully/i),
+				).toBeVisible(),
+			);
+		}
+	},
+};
+
+/** Test Notification on a rule that finds nothing to alert on: the error toast. */
+export const TestNotificationNoAlertsToast: Story = {
+	args: { testNotification: 'no-alerts' },
+	play: TestNotificationSentToast.play,
+};

frontend/src/pages/DashboardPage/PanelEditorPage/stories/PanelEditorPage.stories.mocks.tsx

@@ -6,6 +6,7 @@
 import { rest } from 'msw';
 import { generatePath } from 'react-router-dom';
 import ROUTES from 'constants/routes';
+import { expect, screen, userEvent, waitFor, within } from 'storybook/test';
 import type { QueryRangeRequestV5 } from 'types/api/v5/queryRange';
 
 import { choiceControl, toggleControl } from '@/storybook/controls/controls';
@@ -23,6 +24,11 @@ import {
 	NEW_PANEL_ID,
 	newPanelSearch,
 } from '../../DashboardContainer/PanelEditor/newPanelRoute';
+import {
+	API_RESULTS,
+	settle,
+	type ApiResult,
+} from '../../stories/__story_mockdata__/settled';
 import {
 	currentDashboardDocument,
 	PANEL_IDS,
@@ -86,6 +92,13 @@ export const panelEditorMocks = defineStoryMocks({
 				'A locked dashboard is read-only, so the editor loads but Save is refused with the reason.',
 			value: false,
 		}),
+		panelSave: choiceControl<ApiResult>('Panel save', {
+			group: PANEL,
+			description:
+				'How the JSON Patch behind Save changes answers. `success` raises the "Panel saved" toast, `loading` never answers and leaves the button spinning.',
+			options: API_RESULTS,
+			value: 'success',
+		}),
 		noData: toggleControl('Preview returns nothing', {
 			group: DATA,
 			description: 'The preview query answers with an empty result.',
@@ -109,18 +122,14 @@ export const panelEditorMocks = defineStoryMocks({
 
 			// Saving the panel is a JSON Patch whose response replaces the cache, so
 			// the ops are applied to the story's document and the edit stays.
-			rest.patch(
-				'http://localhost/api/v2/dashboards/:id',
-				async (req, res, ctx) => {
+			rest.patch('http://localhost/api/v2/dashboards/:id', (req, res, ctx) =>
+				settle(values.panelSave, req, res, ctx, async () => {
 					const ops = (await req.json()) as Parameters<
 						typeof patchDashboardDocument
 					>[1];
 
-					return res(
-						ctx.status(200),
-						ctx.json(patchDashboardDocument(document, ops)),
-					);
-				},
+					return patchDashboardDocument(document, ops);
+				}),
 			),
 
 			rest.post(
@@ -203,3 +212,85 @@ export const panelEditorMocks = defineStoryMocks({
 		});
 	},
 });
+
+export const savePanel = async (): Promise<void> => {
+	const save = await screen.findByTestId(
+		'panel-editor-v2-save',
+		{},
+		{ timeout: 10000 },
+	);
+
+	await waitFor(() => expect(save).toBeEnabled(), { timeout: 10000 });
+	await userEvent.click(save);
+};
+
+// The editor resolves its panel from the dashboard document before it renders.
+const PAGE_LOAD = { timeout: 10000 };
+
+/**
+ * Opens a display-options section and scrolls it to the top of the pane, where
+ * a screenshot of the viewport can see it. Returns the section to query in.
+ */
+export const expandSection = async (title: string): Promise<HTMLElement> => {
+	// The toggle's test id is the title, lowercased, with whitespace as dashes.
+	const toggle = await screen.findByTestId(
+		`config-section-${title.toLowerCase().replace(/\s+/g, '-')}`,
+		{},
+		PAGE_LOAD,
+	);
+
+	if (toggle.getAttribute('aria-expanded') !== 'true') {
+		await userEvent.click(toggle);
+	}
+	toggle.scrollIntoView({ block: 'start' });
+
+	return toggle.closest('section') ?? document.body;
+};
+
+/** Picks one tile of a radio-tile control by its value. */
+export const pickSegment = async (
+	testId: string,
+	value: string,
+): Promise<void> => {
+	const radio = (): HTMLElement =>
+		within(screen.getByTestId(`${testId}-${value}`)).getByRole('radio');
+
+	// A pick made while the editor still seeds its draft from the panel is
+	// dropped, so it is made again until it holds.
+	await waitFor(async () => {
+		if (!(radio() as HTMLInputElement).checked) {
+			await userEvent.click(radio());
+		}
+		await expect(radio()).toBeChecked();
+	}, PAGE_LOAD);
+};
+
+/**
+ * The pane's pickers are antd Selects: the element carrying the test id does
+ * nothing on click, the combobox inside it is what opens the list.
+ */
+export const openConfigSelect = async (testId: string): Promise<void> => {
+	const select = await screen.findByTestId(testId, {}, PAGE_LOAD);
+
+	await userEvent.click(within(select).getByRole('combobox'));
+};
+
+/**
+ * Opens Thresholds and adds one row through the section's own button, whose
+ * test id depends on the panel kind.
+ */
+export const addThreshold = async (
+	testId = 'panel-editor-v2-add-threshold',
+): Promise<void> => {
+	const section = await expandSection('Thresholds');
+
+	await userEvent.click(within(section).getByTestId(testId));
+};
+
+export const openLinkDialog = async (): Promise<void> => {
+	const section = await expandSection('Context Links');
+
+	// The header's quick add carries the same name, so the body button goes by id.
+	await userEvent.click(within(section).getByTestId('panel-editor-v2-add-link'));
+	await screen.findByTestId('context-link-dialog');
+};

frontend/src/pages/DashboardPage/PanelEditorPage/stories/PanelEditorPage.stories.tsx

@@ -7,7 +7,7 @@ import { screen, userEvent, within } from 'storybook/test';
 import { storyMocks } from '@/storybook/controls/defineStoryMocks';
 import type { PageStoryArgs } from '@/storybook/runtime/resolveStory';
 
-import { panelEditorMocks } from './PanelEditorPage.stories.mocks';
+import { panelEditorMocks, savePanel } from './PanelEditorPage.stories.mocks';
 
 import PanelEditorPage from '../PanelEditorPage';
 
@@ -22,8 +22,8 @@ const pageStory = storyMocks(panelEditorMocks, { layout: 'app' });
  * Route: `/dashboard/:dashboardId/panel/:panelId`.
  */
 const meta = {
-	title: 'Pages/Dashboards/Panel Editor',
-	tags: ['play'],
+	title: 'Pages/Dashboards/Panel Editor/Overview',
+	tags: ['authz', 'play'],
 	// The page is wrapped in `withAuthZPage`, which types its props as an index
 	// signature; the story's args are what the controls resolve to.
 	component: PanelEditorPage as ComponentType<PanelEditorArgs>,
@@ -70,11 +70,39 @@ export const NewPanel: Story = {
 	args: { panel: 'new' },
 };
 
+/** A number panel: one value, formatted, with comparison thresholds. */
+export const NumberPanel: Story = {
+	args: { panel: 'p99-latency' },
+};
+
+/** A bar chart, whose Visualization section offers stacking. */
+export const BarChartPanel: Story = {
+	args: { panel: 'errors-by-status' },
+};
+
+/** A pie chart, with a legend per slice and no axes. */
+export const PieChartPanel: Story = {
+	args: { panel: 'traffic-share' },
+};
+
 /** A list panel, where the config pane is the column editor. */
 export const ListPanel: Story = {
 	args: { panel: 'recent-logs' },
 };
 
+/** Interaction: the list panel's add column menu, searching field keys. */
+export const ListPanelAddColumnOpen: Story = {
+	args: { panel: 'recent-logs' },
+	play: async (): Promise<void> => {
+		await userEvent.click(
+			await screen.findByTestId('list-columns-add', undefined, {
+				timeout: 10_000,
+			}),
+		);
+		await screen.findAllByTestId('list-columns-suggestion');
+	},
+};
+
 /** A table panel, with its column units and thresholds. */
 export const TablePanel: Story = {
 	args: { panel: 'top-endpoints' },
@@ -201,3 +229,23 @@ export const ConfigChanged: Story = {
 		);
 	},
 };
+
+/**
+ * Save changes on a saved panel: the toast raised once the patch answers,
+ * before the editor hands back to the dashboard. Set Panel save to `loading`
+ * to see the button spin instead.
+ */
+export const PanelSavedToast: Story = {
+	play: async ({ args }): Promise<void> => {
+		await savePanel();
+		if (args.panelSave === 'success') {
+			await screen.findByText('Panel saved');
+		}
+	},
+};
+
+/** Save changes on a new text panel, the editor kind with no query to bake in. */
+export const TextPanelSavedToast: Story = {
+	args: { panel: 'new', newPanelKind: 'text' },
+	play: PanelSavedToast.play,
+};

frontend/src/pages/DashboardPage/PanelEditorPage/stories/sections/ChartOptions.stories.tsx

@@ -0,0 +1,175 @@
+import type { ComponentType } from 'react';
+import type { Meta, StoryObj } from '@storybook/react-vite';
+import { Route } from 'react-router-dom';
+import ROUTES from 'constants/routes';
+import { expect, screen, userEvent, waitFor } from 'storybook/test';
+
+import { storyMocks } from '@/storybook/controls/defineStoryMocks';
+import type { PageStoryArgs } from '@/storybook/runtime/resolveStory';
+
+import {
+	expandSection,
+	openConfigSelect,
+	panelEditorMocks,
+	pickSegment,
+} from '../PanelEditorPage.stories.mocks';
+
+import PanelEditorPage from '../../PanelEditorPage';
+
+type PanelEditorArgs = PageStoryArgs<typeof panelEditorMocks>;
+
+const pageStory = storyMocks(panelEditorMocks, { layout: 'app' });
+
+/**
+ * The panel editor's display options, one section open at a time: what each
+ * panel kind lets a user tune about how its data is drawn, and the preview
+ * following along.
+ *
+ * Route: `/dashboard/:dashboardId/panel/:panelId`.
+ */
+const meta = {
+	title: 'Pages/Dashboards/Panel Editor/Chart Options',
+	tags: ['authz', 'play'],
+	component: PanelEditorPage as ComponentType<PanelEditorArgs>,
+	render: (): JSX.Element => (
+		<Route path={ROUTES.DASHBOARD_PANEL_EDITOR} component={PanelEditorPage} />
+	),
+	...pageStory,
+	parameters: { ...pageStory.parameters },
+} satisfies Meta<PanelEditorArgs>;
+
+export default meta;
+
+type Story = StoryObj<PanelEditorArgs>;
+
+/** The time range the panel reads, open on its choices. */
+export const TimePreferenceOpen: Story = {
+	play: async () => {
+		await openConfigSelect('panel-editor-v2-time-preference');
+		await screen.findByRole('listbox');
+	},
+};
+
+/** Formatting & Units: the unit and decimals the values are shown with. */
+export const Formatting: Story = {
+	play: async () => {
+		await expandSection('Formatting & Units');
+		await screen.findByTestId('panel-editor-v2-decimals');
+	},
+};
+
+/** The unit picker, open on its categories. */
+export const UnitPickerOpen: Story = {
+	play: async (context) => {
+		await Formatting.play?.(context);
+		await openConfigSelect('panel-editor-v2-unit');
+		await screen.findByRole('listbox');
+	},
+};
+
+/** Axes: soft bounds for the y axis and its scale. */
+export const Axes: Story = {
+	play: async () => {
+		await expandSection('Axes');
+		await screen.findByTestId('panel-editor-v2-log-scale');
+	},
+};
+
+/** The y axis on a log scale, which the preview redraws with. */
+export const AxesLogScale: Story = {
+	play: async (context) => {
+		await Axes.play?.(context);
+		await pickSegment('panel-editor-v2-log-scale', 'log');
+	},
+};
+
+/** Legend: its position, and a color per series the query returned. */
+export const Legend: Story = {
+	play: async () => {
+		await expandSection('Legend');
+		await screen.findByTestId('panel-editor-v2-legend-position');
+	},
+};
+
+/** The legend moved to the right of the preview. */
+export const LegendRight: Story = {
+	play: async (context) => {
+		await Legend.play?.(context);
+		await pickSegment('panel-editor-v2-legend-position', 'right');
+	},
+};
+
+/** Chart appearance: line style, interpolation, fill and points. */
+export const ChartAppearance: Story = {
+	play: async () => {
+		await expandSection('Chart appearance');
+		await screen.findByTestId('panel-editor-v2-line-style');
+	},
+};
+
+/** Dashed lines under a gradient fill, with the points drawn. */
+export const ChartAppearanceDashedGradient: Story = {
+	play: async (context) => {
+		await ChartAppearance.play?.(context);
+		await pickSegment('panel-editor-v2-line-style', 'dashed');
+		await pickSegment('panel-editor-v2-fill-mode', 'gradient');
+		const points = screen.getByTestId('panel-editor-v2-show-points');
+
+		await userEvent.click(points);
+		await waitFor(() => expect(points).toHaveAttribute('aria-checked', 'true'));
+	},
+};
+
+/** An area chart's appearance, which adds the fill opacity. */
+export const AreaChartAppearance: Story = {
+	args: { panel: 'new', newPanelKind: 'area-chart' },
+	play: async () => {
+		await expandSection('Chart appearance');
+		await screen.findByTestId('panel-editor-v2-fill-opacity');
+	},
+};
+
+/** A bar chart with its series stacked on each other. */
+export const BarStacked: Story = {
+	args: { panel: 'errors-by-status' },
+	play: async () => {
+		await expandSection('Visualization');
+		await pickSegment('panel-editor-v2-stacked-bar-chart', 'stacked');
+	},
+};
+
+/** A table's formatting: a unit per value column. */
+export const TableColumnUnits: Story = {
+	args: { panel: 'top-endpoints' },
+	play: async () => {
+		await expandSection('Formatting & Units');
+		await screen.findByTestId('panel-editor-v2-decimals');
+	},
+};
+
+/** A pie chart's legend, colored per slice. */
+export const PieLegend: Story = {
+	args: { panel: 'traffic-share' },
+	play: async () => {
+		await expandSection('Legend');
+		await screen.findByTestId('panel-editor-v2-legend-position');
+	},
+};
+
+/** A histogram's buckets: how many, how wide, and whether queries merge. */
+export const HistogramBuckets: Story = {
+	args: { panel: 'new', newPanelKind: 'histogram' },
+	play: async () => {
+		await expandSection('Buckets');
+		await screen.findByTestId('panel-editor-v2-bucket-count');
+	},
+};
+
+/** A text panel's appearance: alignment and background. */
+export const TextAppearance: Story = {
+	args: { panel: 'new', newPanelKind: 'text' },
+	play: async () => {
+		await expandSection('Panel appearance');
+		await screen.findByTestId('text-layout-align');
+	},
+};

frontend/src/pages/DashboardPage/PanelEditorPage/stories/sections/ThresholdsAndLinks.stories.tsx

@@ -0,0 +1,138 @@
+import type { ComponentType } from 'react';
+import type { Meta, StoryObj } from '@storybook/react-vite';
+import { Route } from 'react-router-dom';
+import ROUTES from 'constants/routes';
+import { expect, screen, userEvent, waitFor } from 'storybook/test';
+
+import { storyMocks } from '@/storybook/controls/defineStoryMocks';
+import type { PageStoryArgs } from '@/storybook/runtime/resolveStory';
+
+import {
+	addThreshold,
+	openLinkDialog,
+	panelEditorMocks,
+} from '../PanelEditorPage.stories.mocks';
+
+import PanelEditorPage from '../../PanelEditorPage';
+
+type PanelEditorArgs = PageStoryArgs<typeof panelEditorMocks>;
+
+const pageStory = storyMocks(panelEditorMocks, { layout: 'app' });
+
+/**
+ * The panel editor's Thresholds and Context Links sections. A threshold row
+ * takes the shape of its panel kind: a labelled line on a chart, a comparison
+ * on a number, a column rule on a table. A context link opens a dialog whose
+ * URL can carry the dashboard's variables.
+ *
+ * Route: `/dashboard/:dashboardId/panel/:panelId`.
+ */
+const meta = {
+	title: 'Pages/Dashboards/Panel Editor/Thresholds and Links',
+	tags: ['authz', 'play'],
+	component: PanelEditorPage as ComponentType<PanelEditorArgs>,
+	render: (): JSX.Element => (
+		<Route path={ROUTES.DASHBOARD_PANEL_EDITOR} component={PanelEditorPage} />
+	),
+	...pageStory,
+	parameters: { ...pageStory.parameters },
+} satisfies Meta<PanelEditorArgs>;
+
+export default meta;
+
+type Story = StoryObj<PanelEditorArgs>;
+
+/** A time series threshold: a value, a color and a label drawn on the chart. */
+export const Threshold: Story = {
+	play: async () => {
+		await addThreshold();
+		await screen.findByTestId('threshold-value-0');
+	},
+};
+
+/** The threshold's custom color picker, open beside the preset swatches. */
+export const ThresholdColorOpen: Story = {
+	play: async (context) => {
+		await Threshold.play?.(context);
+		await userEvent.click(screen.getByTestId('threshold-color-0-custom'));
+		await waitFor(() =>
+			expect(
+				document.querySelector('.ant-color-picker-inner-content'),
+			).toBeVisible(),
+		);
+	},
+};
+
+/** A number panel's threshold, which compares the value and recolors it. */
+export const NumberThreshold: Story = {
+	args: { panel: 'p99-latency' },
+	play: async () => {
+		await addThreshold('panel-editor-v2-add-comparison-threshold');
+		await screen.findByTestId('comparison-threshold-operator-0');
+	},
+};
+
+/** A table's threshold, which picks the column it colors. */
+export const TableThreshold: Story = {
+	args: { panel: 'top-endpoints' },
+	play: async () => {
+		await addThreshold('panel-editor-v2-add-table-threshold');
+		await screen.findByTestId('table-threshold-column-0');
+	},
+};
+
+/** The add-link dialog, empty, with Save waiting for a URL. */
+export const ContextLinkDialog: Story = {
+	play: async () => {
+		await openLinkDialog();
+	},
+};
+
+/** The URL field focused, offering the variables it can interpolate. */
+export const ContextLinkVariables: Story = {
+	play: async () => {
+		await openLinkDialog();
+		await userEvent.click(screen.getByTestId('context-link-url'));
+		await screen.findByTestId('context-link-variable-service');
+	},
+};
+
+/** A URL with query parameters, split into rows that can be edited one by one. */
+export const ContextLinkParams: Story = {
+	play: async () => {
+		await openLinkDialog();
+		await userEvent.type(
+			screen.getByTestId('context-link-label'),
+			'Open service traces',
+		);
+		await userEvent.click(screen.getByTestId('context-link-url'));
+		await userEvent.paste(
+			'/traces-explorer?service={{service}}&env={{environment}}',
+		);
+		// Leaving the URL closes the variables list that covers the rows.
+		await userEvent.click(screen.getByTestId('context-link-label'));
+		await screen.findByTestId('context-link-param-key-1');
+	},
+};
+
+/** A URL the link cannot open, which the field flags and Save refuses. */
+export const ContextLinkInvalidUrl: Story = {
+	play: async () => {
+		await openLinkDialog();
+		await userEvent.click(screen.getByTestId('context-link-url'));
+		await userEvent.paste('traces for {{service}}');
+		await screen.findByTestId('context-link-url-error');
+	},
+};
+
+/** A saved link, listed in the section with its edit and remove actions. */
+export const ContextLinkSaved: Story = {
+	play: async (context) => {
+		await ContextLinkParams.play?.(context);
+		await userEvent.click(screen.getByTestId('context-link-save'));
+		await waitFor(() =>
+			expect(screen.queryByTestId('context-link-dialog')).toBeNull(),
+		);
+		await screen.findByTestId('context-link-item-0');
+	},
+};

frontend/src/pages/DashboardPage/stories/DashboardPage.stories.mocks.tsx

@@ -7,19 +7,26 @@ import { rest } from 'msw';
 import { generatePath } from 'react-router-dom';
 import ROUTES from 'constants/routes';
 import type { GetPublicDashboard200 } from 'api/generated/services/sigNoz.schemas';
+import { useDashboardPreferencesStore } from 'hooks/dashboard/useDashboardPreference';
+import { expect, screen, userEvent, waitFor, within } from 'storybook/test';
 import type { QueryRangeRequestV5 } from 'types/api/v5/queryRange';
 
 import {
+	choiceControl,
 	countControl,
 	multiChoiceControl,
 	toggleControl,
 } from '@/storybook/controls/controls';
 import { defineStoryMocks } from '@/storybook/controls/defineStoryMocks';
-import { fieldValuesResponse } from '@/storybook/msw/__story_mockdata__/fields';
+import {
+	fieldKeysResponse,
+	fieldValuesResponse,
+} from '@/storybook/msw/__story_mockdata__/fields';
 import { queryRangeV5ScalarResponse } from '@/storybook/msw/__story_mockdata__/queryRange';
 
 import {
 	currentDashboardDocument,
+	cyclicVariablesDashboardResponse,
 	patchDashboardDocument,
 	PANEL_IDS,
 	seedDashboardDocument,
@@ -29,8 +36,14 @@ import {
 	type VariableKind,
 } from './__story_mockdata__/dashboard';
 import {
+	API_RESULTS,
+	settle,
+	type ApiResult,
+} from './__story_mockdata__/settled';
+import {
+	attributeValues,
 	emptyPanelResponse,
-	NAMESPACE_VALUES,
+	VARIABLE_ATTRIBUTES,
 	panelResponse,
 	serviceVariableValues,
 } from './__story_mockdata__/panelData';
@@ -44,6 +57,7 @@ import {
 const LAYOUT = 'Dashboard · layout';
 const DATA = 'Dashboard · panels';
 const SHARING = 'Dashboard · sharing';
+const REQUESTS = 'Dashboard · requests';
 
 export const dashboardRoute = (): string =>
 	generatePath(ROUTES.DASHBOARD, { dashboardId: STORY_DASHBOARD_ID });
@@ -65,6 +79,14 @@ const NOT_FOUND = {
 
 const ok = { status: 'success', data: null };
 
+// The editor rewrites any `Syntax error:` into its own hint, so the ClickHouse
+// wording only shows through the variable bar.
+const VARIABLE_QUERY_ERROR = {
+	status: 'error',
+	error:
+		"Code: 62. DB::Exception: Syntax error: failed at position 58 ('$environment'). (SYNTAX_ERROR)",
+};
+
 const publicMeta = (): GetPublicDashboard200 => ({
 	status: 'success',
 	data: {
@@ -137,6 +159,12 @@ export const dashboardMocks = defineStoryMocks({
 			value: 4,
 			max: 12,
 		}),
+		variableQueryFails: toggleControl('Variable query fails', {
+			group: DATA,
+			description:
+				"The query-backed `service` variable answers with a ClickHouse syntax error, which the variable bar and the editor's Test Run both report.",
+			value: false,
+		}),
 		noData: toggleControl('Panels return nothing', {
 			group: DATA,
 			description:
@@ -149,6 +177,44 @@ export const dashboardMocks = defineStoryMocks({
 				'Answers the dashboard document with a 404, which is the page-level failure the shell renders around.',
 			value: false,
 		}),
+		dashboardPatch: choiceControl<ApiResult>('Dashboard edit', {
+			group: REQUESTS,
+			description:
+				'How the JSON Patch behind every spec edit answers: rename, settings, variables, clone panel or section and the variable review. `loading` never answers, `error` answers 500.',
+			options: API_RESULTS,
+			value: 'success',
+		}),
+		dashboardUpdate: choiceControl<ApiResult>('Dashboard replace', {
+			group: REQUESTS,
+			description: "How the PUT behind the JSON editor's Apply changes answers.",
+			options: API_RESULTS,
+			value: 'success',
+		}),
+		dashboardClone: choiceControl<ApiResult>('Dashboard clone', {
+			group: REQUESTS,
+			description: 'How the endpoint behind Actions, Clone dashboard answers.',
+			options: API_RESULTS,
+			value: 'success',
+		}),
+		dashboardDelete: choiceControl<ApiResult>('Dashboard delete', {
+			group: REQUESTS,
+			description: 'How the endpoint behind Actions, Delete dashboard answers.',
+			options: API_RESULTS,
+			value: 'success',
+		}),
+		publicWrite: choiceControl<ApiResult>('Public link change', {
+			group: REQUESTS,
+			description: 'How publish, update and unpublish on the Publish tab answer.',
+			options: API_RESULTS,
+			value: 'success',
+		}),
+		substituteVars: choiceControl<ApiResult>('Variable substitution', {
+			group: REQUESTS,
+			description:
+				'How the endpoint that resolves variables before Create Alerts answers.',
+			options: API_RESULTS,
+			value: 'success',
+		}),
 		published: toggleControl('Published publicly', {
 			group: SHARING,
 			description:
@@ -177,26 +243,37 @@ export const dashboardMocks = defineStoryMocks({
 			// Every spec edit travels as a JSON Patch, and its response is what
 			// replaces the cache, so the ops are applied to the story's document
 			// rather than answered away.
-			rest.patch(
-				'http://localhost/api/v2/dashboards/:id',
-				async (req, res, ctx) => {
+			rest.patch('http://localhost/api/v2/dashboards/:id', (req, res, ctx) =>
+				settle(values.dashboardPatch, req, res, ctx, async () => {
 					const ops = (await req.json()) as Parameters<
 						typeof patchDashboardDocument
 					>[1];
 
-					return res(
-						ctx.status(200),
-						ctx.json(patchDashboardDocument(document, ops)),
-					);
-				},
+					return patchDashboardDocument(document, ops);
+				}),
 			),
 
-			rest.post('http://localhost/api/v2/dashboards/:id/clone', (_req, res, ctx) =>
-				res(ctx.status(200), ctx.json(currentDashboardDocument(document))),
+			rest.put('http://localhost/api/v2/dashboards/:id', (req, res, ctx) =>
+				settle(values.dashboardUpdate, req, res, ctx, () =>
+					currentDashboardDocument(document),
+				),
 			),
 
-			rest.delete('http://localhost/api/v2/dashboards/:id', (_req, res, ctx) =>
-				res(ctx.status(200), ctx.json(ok)),
+			rest.post('http://localhost/api/v2/dashboards/:id/clone', (req, res, ctx) =>
+				settle(values.dashboardClone, req, res, ctx, () =>
+					currentDashboardDocument(document),
+				),
+			),
+
+			rest.delete('http://localhost/api/v2/dashboards/:id', (req, res, ctx) =>
+				settle(values.dashboardDelete, req, res, ctx, () => ok),
+			),
+
+			rest.post('http://localhost/api/v5/substitute_vars', (req, res, ctx) =>
+				settle(values.substituteVars, req, res, ctx, async () => ({
+					status: 'success',
+					data: await req.json(),
+				})),
 			),
 
 			rest.put('http://localhost/api/v2/dashboards/:id/lock', (_req, res, ctx) =>
@@ -228,18 +305,35 @@ export const dashboardMocks = defineStoryMocks({
 			// The variable bar resolves before the panels and stays laid out while
 			// they load or fail, so its two endpoints answer on their own rather
 			// than through the Data control.
-			rest.post('http://localhost/api/v2/variables/query', (_req, res, ctx) =>
+			values.variableQueryFails
+				? rest.post('http://localhost/api/v2/variables/query', (_req, res, ctx) =>
+						res(ctx.status(400), ctx.json(VARIABLE_QUERY_ERROR)),
+					)
+				: rest.post('http://localhost/api/v2/variables/query', (_req, res, ctx) =>
+						res(
+							ctx.status(200),
+							ctx.json({
+								status: 'success',
+								data: {
+									variableValues: serviceVariableValues(values.variableValues),
+								},
+							}),
+						),
+					),
+
+			rest.get('http://localhost/api/v1/fields/values', (req, res, ctx) =>
 				res(
 					ctx.status(200),
-					ctx.json({
-						status: 'success',
-						data: { variableValues: serviceVariableValues(values.variableValues) },
-					}),
+					ctx.json(
+						fieldValuesResponse(attributeValues(req.url.searchParams.get('name'))),
+					),
 				),
 			),
 
-			rest.get('http://localhost/api/v1/fields/values', (_req, res, ctx) =>
-				res(ctx.status(200), ctx.json(fieldValuesResponse(NAMESPACE_VALUES))),
+			// The dynamic variable editor lists the attributes a variable can read.
+			rest.get(
+				'http://localhost/api/v1/fields/keys',
+				response.json(() => fieldKeysResponse(VARIABLE_ATTRIBUTES)),
 			),
 
 			// The header reads the public link on every load, so it answers even while
@@ -250,18 +344,17 @@ export const dashboardMocks = defineStoryMocks({
 					: res(ctx.status(404), ctx.json(NOT_PUBLIC)),
 			),
 
-			rest.post(
-				'http://localhost/api/v1/dashboards/:id/public',
-				(_req, res, ctx) => res(ctx.status(200), ctx.json(publicMeta())),
+			rest.post('http://localhost/api/v1/dashboards/:id/public', (req, res, ctx) =>
+				settle(values.publicWrite, req, res, ctx, publicMeta),
 			),
 
-			rest.put('http://localhost/api/v1/dashboards/:id/public', (_req, res, ctx) =>
-				res(ctx.status(200), ctx.json(publicMeta())),
+			rest.put('http://localhost/api/v1/dashboards/:id/public', (req, res, ctx) =>
+				settle(values.publicWrite, req, res, ctx, publicMeta),
 			),
 
 			rest.delete(
 				'http://localhost/api/v1/dashboards/:id/public',
-				(_req, res, ctx) => res(ctx.status(200), ctx.json(ok)),
+				(req, res, ctx) => settle(values.publicWrite, req, res, ctx, () => ok),
 			),
 		];
 	},
@@ -273,6 +366,9 @@ export const dashboardMocks = defineStoryMocks({
 			variables: values.variables,
 			locked: values.locked,
 		});
+		// The sync mode persists per dashboard, so one story's pick would open the
+		// next one on it.
+		useDashboardPreferencesStore.setState({ preferences: {} });
 	},
 });
 
@@ -331,3 +427,218 @@ export const metricsListHandler = rest.get(
 	(_req, res, ctx) =>
 		res(ctx.status(200), ctx.json({ status: 'success', data: { metrics: [] } })),
 );
+
+export const cyclicVariablesDashboardHandler = rest.get(
+	'http://localhost/api/v2/dashboards/:id',
+	(_req, res, ctx) =>
+		res(ctx.status(200), ctx.json(cyclicVariablesDashboardResponse())),
+);
+
+// The dashboard document loads before the toolbar renders.
+export const PAGE_LOAD = { timeout: 10000 };
+
+export const clickAction = async (
+	canvasElement: HTMLElement,
+	label: string,
+): Promise<void> => {
+	// The dropdown trigger's Slot merge drops the button's own test id.
+	await userEvent.click(
+		await within(canvasElement).findByRole(
+			'button',
+			{ name: 'Actions' },
+			PAGE_LOAD,
+		),
+	);
+	const item = await screen.findByText(label);
+	const menuItem = item.closest('[role="menuitem"]') ?? item;
+
+	await waitFor(() => {
+		expect(menuItem).not.toHaveAttribute('aria-disabled', 'true');
+		expect(menuItem).not.toHaveAttribute('data-disabled');
+	});
+	await userEvent.click(menuItem);
+};
+
+export const clickPanelAction = async (
+	canvasElement: HTMLElement,
+	panelId: string,
+	label: string,
+): Promise<void> => {
+	await userEvent.click(
+		await within(canvasElement).findByTestId(
+			`panel-actions-${panelId}`,
+			{},
+			PAGE_LOAD,
+		),
+	);
+	await userEvent.click(await screen.findByText(label));
+};
+
+export const clickSectionAction = async (
+	canvasElement: HTMLElement,
+	label: string,
+): Promise<void> => {
+	const [firstSection] = await within(canvasElement).findAllByRole(
+		'button',
+		{ name: 'Section actions' },
+		PAGE_LOAD,
+	);
+	await userEvent.click(firstSection);
+	await userEvent.click(await screen.findByText(label));
+};
+
+export const expectToast = (text: string | RegExp): Promise<HTMLElement> =>
+	screen.findByText(text, undefined, PAGE_LOAD);
+
+export const openJsonEditor = async (
+	canvasElement: HTMLElement,
+): Promise<void> => {
+	await userEvent.click(
+		await within(canvasElement).findByTestId('edit-json', {}, PAGE_LOAD),
+	);
+	await screen.findByTestId('json-editor-copy', {}, PAGE_LOAD);
+};
+
+export const confirmImpact = async (): Promise<void> => {
+	await userEvent.click(await screen.findByTestId('variable-impact-confirm'));
+};
+
+/**
+ * A denied control stays on screen, disabled. Buttons say so through
+ * `disabled` or `aria-disabled` depending on the Button, menu rows through
+ * `data-disabled`.
+ */
+const isDisabled = (element: HTMLElement): boolean =>
+	element.hasAttribute('disabled') ||
+	element.getAttribute('aria-disabled') === 'true' ||
+	element.hasAttribute('data-disabled');
+
+export const expectDisabled = (
+	element: HTMLElement,
+	disabled = true,
+): Promise<void> =>
+	waitFor(() => expect(isDisabled(element)).toBe(disabled), PAGE_LOAD);
+
+export const toolbarButton = (
+	canvasElement: HTMLElement,
+	name: string,
+): Promise<HTMLElement> =>
+	within(canvasElement).findByRole('button', { name }, PAGE_LOAD);
+
+export const openActionsMenu = async (
+	canvasElement: HTMLElement,
+): Promise<void> => {
+	// The dropdown trigger's Slot merge drops the button's own test id.
+	await userEvent.click(await toolbarButton(canvasElement, 'Actions'));
+	await screen.findByText('Clone dashboard');
+};
+
+// Not by test id: the Actions menu only carries them on some Dropdown versions.
+export const menuItem = (name: string): HTMLElement =>
+	screen.getByRole('menuitem', { name });
+
+export type SettingsTab = 'Overview' | 'Variables' | 'Publish';
+
+export type VariableType = 'dynamic' | 'textbox' | 'custom' | 'query';
+
+type RowAction = 'edit' | 'delete' | 'apply-all';
+
+/** Opens the settings drawer from the toolbar and returns the tab's panel. */
+export const openSettings = async (
+	canvasElement: HTMLElement,
+	tab: SettingsTab = 'Overview',
+): Promise<HTMLElement> => {
+	await userEvent.click(
+		await within(canvasElement).findByTestId('show-drawer', {}, PAGE_LOAD),
+	);
+
+	if (tab !== 'Overview') {
+		await userEvent.click(await screen.findByRole('tab', { name: tab }));
+	}
+
+	return screen.findByRole('tabpanel');
+};
+
+export const variableRow = (name: string): Promise<HTMLElement> =>
+	screen.findByTestId(`variable-row-${name}`, {}, PAGE_LOAD);
+
+/** Row actions render once the edit permission resolves. */
+export const clickRowAction = async (
+	name: string,
+	action: RowAction,
+): Promise<void> => {
+	const row = await variableRow(name);
+
+	await userEvent.click(
+		action === 'apply-all'
+			? // The tooltip trigger's Slot merge drops this button's test id.
+				await within(row).findByRole('button', { name: 'Apply to all' }, PAGE_LOAD)
+			: await within(row).findByTestId(
+					`variable-${action}-${name}`,
+					{},
+					PAGE_LOAD,
+				),
+	);
+};
+
+/** A new variable's editor, which opens on the Dynamic type. */
+export const openNewVariable = async (
+	canvasElement: HTMLElement,
+): Promise<void> => {
+	const panel = await openSettings(canvasElement, 'Variables');
+	const add = await within(panel).findByTestId('add-variable', {}, PAGE_LOAD);
+
+	// Disabled until its permission check resolves: through `disabled` or
+	// `aria-disabled`, depending on the Button.
+	await waitFor(() => expect(add).toBeEnabled(), PAGE_LOAD);
+	await waitFor(
+		() => expect(add).not.toHaveAttribute('aria-disabled', 'true'),
+		PAGE_LOAD,
+	);
+	await userEvent.click(add);
+	await screen.findByText('Variable Type');
+};
+
+export const openVariableEditor = async (
+	canvasElement: HTMLElement,
+	name: string,
+): Promise<void> => {
+	await openSettings(canvasElement, 'Variables');
+	await clickRowAction(name, 'edit');
+	await screen.findByText('Variable Type');
+};
+
+/**
+ * A value in the editor's preview. The toolbar's selector for the same variable
+ * resolves to its first value too, whenever its own query returns.
+ */
+export const findPreviewValue = async (value: string): Promise<HTMLElement> => {
+	const label = await screen.findByText('Preview of Values');
+
+	return within(label.parentElement as HTMLElement).findByText(
+		value,
+		undefined,
+		PAGE_LOAD,
+	);
+};
+
+export const pickVariableType = async (type: VariableType): Promise<void> => {
+	await userEvent.click(await screen.findByTestId(`variable-type-${type}`));
+};
+
+export const typeVariableName = async (name: string): Promise<void> => {
+	const input = await screen.findByTestId('variable-name');
+
+	await userEvent.clear(input);
+	await userEvent.type(input, name);
+};
+
+/**
+ * The editor's pickers are antd Selects: the element carrying the test id does
+ * nothing on click, the combobox inside it is what opens the list.
+ */
+export const openVariableSelect = async (testId: string): Promise<void> => {
+	const select = await screen.findByTestId(testId);
+
+	await userEvent.click(within(select).getByRole('combobox'));
+};

frontend/src/pages/DashboardPage/stories/DashboardPage.stories.tsx

@@ -1,16 +1,23 @@
 import type { ComponentType } from 'react';
 import type { Meta, StoryObj } from '@storybook/react-vite';
 import { Route } from 'react-router-dom';
+import * as monaco from 'monaco-editor';
 import ROUTES from 'constants/routes';
-import { screen, userEvent, within } from 'storybook/test';
+import { expect, screen, userEvent, waitFor, within } from 'storybook/test';
 
 import { storyMocks } from '@/storybook/controls/defineStoryMocks';
 import type { PageStoryArgs } from '@/storybook/runtime/resolveStory';
 
 import {
+	clickAction,
+	clickPanelAction,
+	clickSectionAction,
 	dashboardMocks,
 	desyncedDashboardHandler,
+	expectToast,
 	metricsListHandler,
+	openJsonEditor,
+	PAGE_LOAD,
 	tooltipDashboardHandler,
 	tooltipRoute,
 	warnedPanelQueryHandler,
@@ -30,8 +37,8 @@ const pageStory = storyMocks(dashboardMocks, { layout: 'app' });
  * Route: `/dashboard/:dashboardId`.
  */
 const meta = {
-	title: 'Pages/Dashboards/Detail',
-	tags: ['role-gated', 'play'],
+	title: 'Pages/Dashboards/Detail/Overview',
+	tags: ['authz', 'play'],
 	// The page is wrapped in `withAuthZPage`, which types its props as an index
 	// signature; the story's args are what the controls resolve to.
 	component: DashboardPage as ComponentType<DashboardArgs>,
@@ -159,53 +166,6 @@ export const TooltipsInJsonDrawer: Story = {
 	},
 };
 
-/**
- * The Overview tab of dashboard settings, where Cross-Panel Sync explains what
- * syncing the crosshair does and links out to the docs.
- */
-export const TooltipsInSettings: Story = {
-	args: { tooltipsOpen: true },
-	play: async ({ canvasElement }) => {
-		const canvas = within(canvasElement);
-
-		await userEvent.click(
-			await canvas.findByTestId('show-drawer', {}, { timeout: 10000 }),
-		);
-		await screen.findByText('Sync Mode');
-	},
-};
-
-/**
- * The Variables tab of dashboard settings, where a dynamic variable's Apply to
- * all says whether it is already a filter on every panel. The row keeps its
- * actions invisible until it is hovered, which the story does first.
- */
-export const TooltipsInVariableSettings: Story = {
-	args: { tooltipsOpen: true },
-	play: async ({ canvasElement }) => {
-		const canvas = within(canvasElement);
-
-		await userEvent.click(
-			await canvas.findByTestId('show-drawer', {}, { timeout: 10000 }),
-		);
-		await userEvent.click(await screen.findByRole('tab', { name: 'Variables' }));
-
-		// The tooltip trigger's Slot merge drops the button's own test id.
-		await userEvent.hover(
-			await screen.findByRole(
-				'button',
-				{ name: 'Apply to all' },
-				{ timeout: 10000 },
-			),
-		);
-		await screen.findByText(
-			'Add this variable as a filter to every panel',
-			undefined,
-			{ timeout: 10000 },
-		);
-	},
-};
-
 /**
  * A panel expanded into view mode, whose header carries the full panel name its
  * title truncates, over the dashboard's own tooltips behind the dialog.
@@ -390,6 +350,194 @@ export const NewPanelPickerFromSection: Story = {
 	},
 };
 
+/** The panel menu's move-to-section submenu, open on the sections it can go to. */
+export const PanelMoveToSectionSubmenu: Story = {
+	play: async (context) => {
+		await PanelActionsMenu.play?.(context);
+		await userEvent.hover(await screen.findByText('Move to section'));
+		// The submenu lists the sections the panel is not already in.
+		await waitFor(() => expect(screen.getAllByRole('menu')).toHaveLength(2), {
+			timeout: 10000,
+		});
+	},
+};
+
+/**
+ * Actions, Clone dashboard: the toast announcing the copy, raised once the
+ * clone endpoint answers. Set Dashboard clone to `error` to see the error
+ * modal instead.
+ */
+export const DashboardClonedToast: Story = {
+	play: async ({ canvasElement, args }): Promise<void> => {
+		await clickAction(canvasElement, 'Clone dashboard');
+		if (args.dashboardClone === 'success') {
+			await expectToast('Dashboard cloned');
+		}
+	},
+};
+
+/**
+ * The title edited inline: the toast announcing the new name, raised once the
+ * patch answers.
+ */
+export const DashboardRenamedToast: Story = {
+	play: async ({ canvasElement, args }): Promise<void> => {
+		await clickAction(canvasElement, 'Rename');
+		const input = await screen.findByTestId('dashboard-title-input');
+		await userEvent.clear(input);
+		await userEvent.type(input, 'Service overview (renamed){enter}');
+		if (args.dashboardPatch === 'success') {
+			await expectToast('Dashboard renamed successfully');
+		}
+	},
+};
+
+/**
+ * Actions, Delete dashboard, confirmed: the toast announcing the deletion,
+ * raised once the delete endpoint answers and before the page leaves for the
+ * list.
+ */
+export const DashboardDeletedToast: Story = {
+	play: async ({ canvasElement, args }): Promise<void> => {
+		await clickAction(canvasElement, 'Delete dashboard');
+		await userEvent.click(await screen.findByRole('button', { name: 'Delete' }));
+		if (args.dashboardDelete === 'success') {
+			await expectToast('Dashboard deleted successfully');
+		}
+	},
+};
+
+/** A panel's Clone: the promise toast, loading until the patch answers. */
+export const PanelClonedToast: Story = {
+	play: async ({ canvasElement, args }): Promise<void> => {
+		await clickPanelAction(canvasElement, 'p99-latency', 'Clone');
+		if (args.dashboardPatch === 'success') {
+			await expectToast('Panel cloned');
+		}
+	},
+};
+
+/** A panel's Clone whose patch is refused. */
+export const PanelCloneFailedToast: Story = {
+	args: { dashboardPatch: 'error' },
+	// The refused patch is the state under test.
+	parameters: { allowConsoleErrors: true },
+	play: async (context) => {
+		await PanelClonedToast.play?.(context);
+		await expectToast('Failed to clone panel');
+	},
+};
+
+/** A panel's Clone whose patch never answers, so the toast stays on loading. */
+export const PanelCloneLoadingToast: Story = {
+	args: { dashboardPatch: 'loading' },
+	play: async (context) => {
+		await PanelClonedToast.play?.(context);
+		await expectToast('Cloning panel…');
+	},
+};
+
+/** A section's Clone section: the promise toast, loading until the patch answers. */
+export const SectionClonedToast: Story = {
+	play: async ({ canvasElement, args }): Promise<void> => {
+		await clickSectionAction(canvasElement, 'Clone section');
+		if (args.dashboardPatch === 'success') {
+			await expectToast('Section cloned');
+		}
+	},
+};
+
+/** A section's Clone section whose patch is refused. */
+export const SectionCloneFailedToast: Story = {
+	args: { dashboardPatch: 'error' },
+	// The refused patch is the state under test.
+	parameters: { allowConsoleErrors: true },
+	play: async (context) => {
+		await SectionClonedToast.play?.(context);
+		await expectToast('Failed to clone section');
+	},
+};
+
+/** A section's Clone section whose patch never answers, so the toast stays on loading. */
+export const SectionCloneLoadingToast: Story = {
+	args: { dashboardPatch: 'loading' },
+	play: async (context) => {
+		await SectionClonedToast.play?.(context);
+		await expectToast('Cloning section…');
+	},
+};
+
+/**
+ * A panel's Create Alerts when the substitute-variables call is refused: the
+ * dashboard has variables selected, so the query is resolved before the alert
+ * page opens.
+ */
+export const PanelCreateAlertErrorToast: Story = {
+	args: { substituteVars: 'error' },
+	// The refused request is the state under test.
+	parameters: { allowConsoleErrors: true },
+	play: async ({ canvasElement }): Promise<void> => {
+		await clickPanelAction(canvasElement, 'p99-latency', 'Create Alerts');
+		await expectToast('Failed to create alert from panel');
+	},
+};
+
+/**
+ * The View modal on a time series panel, Save in its series manager: the toast
+ * confirming the legend state was stored.
+ */
+export const ChartManagerSavedToast: Story = {
+	parameters: { msw: { handlers: [metricsListHandler] } },
+	play: async ({ canvasElement }): Promise<void> => {
+		await clickPanelAction(canvasElement, 'request-rate', 'View');
+		await userEvent.click(
+			await screen.findByRole('button', { name: 'Save' }, PAGE_LOAD),
+		);
+		await expectToast('The updated graphs & legends are saved');
+	},
+};
+
+/** The JSON editor's Copy: the toast confirming the clipboard write. */
+export const JsonCopiedToast: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await openJsonEditor(canvasElement);
+		await userEvent.click(screen.getByTestId('json-editor-copy'));
+		await expectToast('JSON copied to clipboard');
+	},
+};
+
+/**
+ * The JSON editor with a whitespace edit, applied: the toast announcing the
+ * update, raised once the PUT answers.
+ */
+export const JsonAppliedToast: Story = {
+	play: async ({ canvasElement, args }): Promise<void> => {
+		await openJsonEditor(canvasElement);
+		await waitFor(
+			() => {
+				if (monaco.editor.getModels().length === 0) {
+					throw new Error('Monaco has not mounted');
+				}
+			},
+			{ timeout: 20000 },
+		);
+		// Typing into Monaco's hidden textarea never reaches its model in this runner.
+		monaco.editor
+			.getModels()[0]
+			.applyEdits([{ range: new monaco.Range(1, 1, 1, 1), text: ' ' }]);
+		await waitFor(() =>
+			expect(screen.getByTestId('json-editor-apply')).not.toHaveAttribute(
+				'aria-disabled',
+				'true',
+			),
+		);
+		await userEvent.click(screen.getByTestId('json-editor-apply'));
+		if (args.dashboardUpdate === 'success') {
+			await expectToast('Dashboard updated');
+		}
+	},
+};
+
 /**
  * A dashboard id nobody has, which is what a deleted or mistyped link opens on.
  *

frontend/src/pages/DashboardPage/stories/__story_mockdata__/dashboard.ts

@@ -336,6 +336,28 @@ const VARIABLES: Record<VariableKind, DashboardtypesVariableDTO> = {
 	},
 };
 
+/**
+ * `service` already filters on `$environment`, so an `environment` that reads
+ * `$service` back closes the loop. An imported dashboard can arrive like this;
+ * the editor only refuses it on save.
+ */
+const CYCLIC_ENVIRONMENT: DashboardtypesVariableDTO = {
+	kind: ListVariableKind.ListVariable,
+	spec: {
+		name: 'environment',
+		display: { name: 'environment' },
+		allowMultiple: false,
+		allowAllValue: false,
+		plugin: {
+			kind: QueryVariableKind['signoz/QueryVariable'],
+			spec: {
+				queryValue:
+					'SELECT DISTINCT env FROM signoz_metrics WHERE service_name IN $service',
+			},
+		},
+	},
+};
+
 export interface PanelQueryShape {
 	requestType: string;
 	metricName?: string;
@@ -451,3 +473,18 @@ export const patchDashboardDocument = (
 
 	return envelope(document);
 };
+
+export const cyclicVariablesDashboardResponse = (): GetDashboardV2200 => {
+	const response = dashboardResponse({
+		panels: PANEL_IDS.length,
+		sectioned: true,
+		variables: VARIABLE_KINDS,
+		locked: false,
+	});
+
+	response.data.spec.variables = response.data.spec.variables.map((variable) =>
+		variable === VARIABLES.custom ? CYCLIC_ENVIRONMENT : variable,
+	);
+
+	return response;
+};

frontend/src/pages/DashboardPage/stories/__story_mockdata__/panelData.ts

@@ -173,3 +173,20 @@ export const NAMESPACE_VALUES = [
 	'payments-prod',
 	'platform-prod',
 ] as const;
+
+/**
+ * The attributes the dynamic variable editor offers a variable to read, with
+ * the values each one resolves to.
+ */
+const ATTRIBUTE_VALUES: Record<string, readonly string[]> = {
+	'k8s.namespace.name': NAMESPACE_VALUES,
+	'k8s.cluster.name': ['prod-us-east-1', 'prod-eu-west-1'],
+	'service.name': SERVICES,
+	'deployment.environment': ['production', 'staging', 'development'],
+	'host.name': ['ip-10-0-1-12', 'ip-10-0-1-37', 'ip-10-0-2-4'],
+};
+
+export const VARIABLE_ATTRIBUTES = Object.keys(ATTRIBUTE_VALUES);
+
+export const attributeValues = (name: string | null): readonly string[] =>
+	ATTRIBUTE_VALUES[name ?? ''] ?? NAMESPACE_VALUES;

frontend/src/pages/DashboardPage/stories/__story_mockdata__/settled.ts

@@ -0,0 +1,46 @@
+import type {
+	DefaultBodyType,
+	MockedResponse,
+	PathParams,
+	ResponseComposition,
+	RestContext,
+	RestRequest,
+} from 'msw';
+
+export const API_RESULTS = ['success', 'loading', 'error'] as const;
+
+export type ApiResult = (typeof API_RESULTS)[number];
+
+const SERVER_ERROR = {
+	status: 'error',
+	error: {
+		code: 'internal',
+		message: 'Something went wrong on the server',
+		url: '',
+		errors: [],
+	},
+};
+
+/**
+ * How a mutation endpoint answers for a result: never, with a 500, or with
+ * whatever `ok` builds from the request.
+ */
+export const settle = async (
+	result: ApiResult,
+	req: RestRequest<DefaultBodyType, PathParams<string>>,
+	res: ResponseComposition,
+	ctx: RestContext,
+	ok: (
+		req: RestRequest<DefaultBodyType, PathParams<string>>,
+	) => object | Promise<object>,
+): Promise<MockedResponse> => {
+	if (result === 'loading') {
+		return res(ctx.delay('infinite'));
+	}
+
+	if (result === 'error') {
+		return res(ctx.status(500), ctx.json(SERVER_ERROR));
+	}
+
+	return res(ctx.status(200), ctx.json(await ok(req)));
+};

frontend/src/pages/DashboardPage/stories/authz/DashboardPage.authz.stories.tsx

@@ -0,0 +1,206 @@
+import type { ComponentType } from 'react';
+import type { Meta, StoryObj } from '@storybook/react-vite';
+import { Route } from 'react-router-dom';
+import ROUTES from 'constants/routes';
+import { expect, screen, userEvent, waitFor, within } from 'storybook/test';
+
+import { storyMocks } from '@/storybook/controls/defineStoryMocks';
+import type { PageStoryArgs } from '@/storybook/runtime/resolveStory';
+
+import {
+	dashboardMocks,
+	expectDisabled,
+	menuItem,
+	openActionsMenu,
+	toolbarButton,
+} from '../DashboardPage.stories.mocks';
+
+import DashboardPage from '../../DashboardPage';
+
+type DashboardArgs = PageStoryArgs<typeof dashboardMocks>;
+
+const pageStory = storyMocks(dashboardMocks, { layout: 'app' });
+
+/**
+ * The dashboard with one permission missing at a time. Every story here is an
+ * admin denied exactly what its name says. `read` decides whether the page
+ * renders at all; `update` is every edit, the settings drawer included, so
+ * Configure is as far as a user without it gets.
+ *
+ * Route: `/dashboard/:dashboardId`.
+ */
+const meta = {
+	title: 'Pages/Dashboards/Detail/Authz',
+	tags: ['authz', 'play'],
+	component: DashboardPage as ComponentType<DashboardArgs>,
+	render: (): JSX.Element => (
+		<Route path={ROUTES.DASHBOARD} component={DashboardPage} />
+	),
+	...pageStory,
+	parameters: { ...pageStory.parameters },
+} satisfies Meta<DashboardArgs>;
+
+export default meta;
+
+type Story = StoryObj<DashboardArgs>;
+
+const READ = 'read:dashboard';
+const UPDATE = 'update:dashboard';
+const DELETE = 'delete:dashboard';
+const CREATE = 'create:dashboard';
+
+/** The page refuses to render: `read` is the one check it mounts on. */
+export const NoRead: Story = {
+	args: { revoked: [READ] },
+	play: async () => {
+		await screen.findByText('Uh-oh! You are not authorized', undefined, {
+			timeout: 10000,
+		});
+	},
+};
+
+/**
+ * The panels still render, and Configure and New Panel stay in the toolbar,
+ * disabled.
+ */
+export const NoUpdate: Story = {
+	args: { revoked: [UPDATE] },
+	play: async ({ canvasElement }) => {
+		await expectDisabled(await toolbarButton(canvasElement, 'Configure'));
+		await expectDisabled(await toolbarButton(canvasElement, 'New Panel'));
+	},
+};
+
+/** The same toolbar with its tooltips open, each naming what is missing. */
+export const TooltipsWithoutUpdate: Story = {
+	args: { revoked: [UPDATE], tooltipsOpen: true },
+	play: NoUpdate.play,
+};
+
+/**
+ * A locked dashboard the user could not have edited anyway: the tooltips name
+ * the permission rather than the lock.
+ */
+export const TooltipsWithoutUpdateWhenLocked: Story = {
+	args: { revoked: [UPDATE], locked: true, tooltipsOpen: true },
+	play: NoUpdate.play,
+};
+
+/** The Actions menu: rename, lock and new section locked; clone and delete open. */
+export const NoUpdateActionsMenu: Story = {
+	args: { revoked: [UPDATE] },
+	play: async ({ canvasElement }) => {
+		await openActionsMenu(canvasElement);
+		await expectDisabled(menuItem('Rename'));
+		await expectDisabled(menuItem('Lock dashboard'));
+		await expectDisabled(menuItem('New section'));
+		await expectDisabled(menuItem('Clone dashboard'), false);
+		await expectDisabled(menuItem('Delete dashboard'), false);
+	},
+};
+
+/** A panel's menu: view and download stay, every edit is locked. */
+export const NoUpdatePanelMenu: Story = {
+	args: { revoked: [UPDATE] },
+	play: async ({ canvasElement }) => {
+		await userEvent.click(
+			await within(canvasElement).findByTestId(
+				'panel-actions-p99-latency',
+				{},
+				{ timeout: 10000 },
+			),
+		);
+		const menu = await screen.findByRole('menu');
+
+		await expectDisabled(
+			within(menu).getByRole('menuitem', { name: /Edit panel/ }),
+		);
+		await expectDisabled(
+			within(menu).getByRole('menuitem', { name: /Delete panel/ }),
+		);
+	},
+};
+
+/** The JSON editor opens read-only, and Apply says why it is locked. */
+export const NoUpdateJsonEditor: Story = {
+	args: { revoked: [UPDATE], tooltipsOpen: true },
+	play: async ({ canvasElement }) => {
+		await userEvent.click(
+			await within(canvasElement).findByTestId(
+				'edit-json',
+				{},
+				{ timeout: 10000 },
+			),
+		);
+		await expectDisabled(await screen.findByTestId('json-editor-apply'));
+	},
+};
+
+/** A blank dashboard whose add-panel prompts are locked. */
+export const NoUpdateEmpty: Story = {
+	args: { revoked: [UPDATE], panels: 0, sectioned: false },
+	play: async () => {
+		await expectDisabled(
+			await screen.findByTestId('add-panel', {}, { timeout: 10000 }),
+		);
+	},
+};
+
+/** Delete dashboard locked in the Actions menu; every edit still works. */
+export const NoDelete: Story = {
+	args: { revoked: [DELETE] },
+	play: async ({ canvasElement }) => {
+		await openActionsMenu(canvasElement);
+		await expectDisabled(menuItem('Delete dashboard'));
+		await expectDisabled(menuItem('Rename'), false);
+	},
+};
+
+/** Cloning is a create, so the copy is locked while the original stays editable. */
+export const NoCreate: Story = {
+	args: { revoked: [CREATE] },
+	play: async ({ canvasElement }) => {
+		await openActionsMenu(canvasElement);
+		await expectDisabled(menuItem('Clone dashboard'));
+		await expectDisabled(menuItem('Rename'), false);
+	},
+};
+
+/** Everything but reading: the Actions menu with only full screen left. */
+export const ReadOnly: Story = {
+	args: { revoked: [UPDATE, DELETE, CREATE] },
+	play: async ({ canvasElement }) => {
+		await openActionsMenu(canvasElement);
+		await expectDisabled(menuItem('Clone dashboard'));
+		await expectDisabled(menuItem('Delete dashboard'));
+		await expectDisabled(menuItem('Full screen'), false);
+	},
+};
+
+/**
+ * The page holds on its spinner until the permission check answers. The
+ * spinner's `Loading dashboard...` tip never shows: antd only renders a tip
+ * around nested content.
+ */
+export const CheckLoading: Story = {
+	args: { authzState: 'loading' },
+	play: async ({ canvasElement }) => {
+		await waitFor(() =>
+			expect(canvasElement.querySelector('.ant-spin')).not.toBeNull(),
+		);
+	},
+};
+
+/**
+ * The permission check failing rather than denying: the page renders, and
+ * every edit stays locked as if `update` were denied.
+ */
+export const CheckFailed: Story = {
+	args: { authzState: 'error' },
+	// The mocked check intentionally fails; the resulting console error is the
+	// point of the story, not a regression.
+	parameters: { allowConsoleErrors: true },
+	play: async ({ canvasElement }) => {
+		await expectDisabled(await toolbarButton(canvasElement, 'Configure'));
+	},
+};

frontend/src/pages/DashboardPage/stories/settings/EditVariable.stories.tsx

@@ -0,0 +1,129 @@
+import type { ComponentType } from 'react';
+import type { Meta, StoryObj } from '@storybook/react-vite';
+import { Route } from 'react-router-dom';
+import ROUTES from 'constants/routes';
+import { expect, screen, userEvent, waitFor } from 'storybook/test';
+
+import { storyMocks } from '@/storybook/controls/defineStoryMocks';
+import type { PageStoryArgs } from '@/storybook/runtime/resolveStory';
+
+import {
+	cyclicVariablesDashboardHandler,
+	dashboardMocks,
+	findPreviewValue,
+	openVariableEditor,
+	openVariableSelect,
+} from '../DashboardPage.stories.mocks';
+
+import DashboardPage from '../../DashboardPage';
+
+type DashboardArgs = PageStoryArgs<typeof dashboardMocks>;
+
+const pageStory = storyMocks(dashboardMocks, { layout: 'app' });
+
+/**
+ * The variable editor on each of the dashboard's variables, reached from a
+ * row's edit action in the Variables tab: what every type saved, the values it
+ * resolves to, and the query failures and dependency loops it reports.
+ *
+ * Route: `/dashboard/:dashboardId`.
+ */
+const meta = {
+	title: 'Pages/Dashboards/Detail/Edit Variable',
+	tags: ['authz', 'play'],
+	component: DashboardPage as ComponentType<DashboardArgs>,
+	render: (): JSX.Element => (
+		<Route path={ROUTES.DASHBOARD} component={DashboardPage} />
+	),
+	...pageStory,
+	parameters: { ...pageStory.parameters },
+} satisfies Meta<DashboardArgs>;
+
+export default meta;
+
+type Story = StoryObj<DashboardArgs>;
+
+/**
+ * `$environment`: a comma-separated list with one value by default. The preview
+ * stays empty until the options are edited.
+ */
+export const Custom: Story = {
+	play: async ({ canvasElement }) => {
+		await openVariableEditor(canvasElement, 'environment');
+		await screen.findByDisplayValue('production,staging,development');
+	},
+};
+
+/**
+ * `$service`: a ClickHouse query that reads `$environment`, run once on open so
+ * the preview and default value have its values.
+ */
+export const Query: Story = {
+	play: async ({ canvasElement }) => {
+		await openVariableEditor(canvasElement, 'service');
+		await findPreviewValue('inventory');
+	},
+};
+
+/** `$service` with its query failing, which the preview reports in its place. */
+export const QueryFailed: Story = {
+	args: { variableQueryFails: true },
+	// The failed variable query is the state under test.
+	parameters: { allowConsoleErrors: true },
+	play: async ({ canvasElement }) => {
+		await openVariableEditor(canvasElement, 'service');
+		await screen.findByText(
+			'Please make sure query is valid and dependent variables are selected',
+			undefined,
+			{ timeout: 10000 },
+		);
+	},
+};
+
+/** The sort picker, open over the previewed values it reorders. */
+export const SortOpen: Story = {
+	play: async (context) => {
+		await Query.play?.(context);
+		await openVariableSelect('variable-sort-select');
+		await screen.findByTitle('Alphabetical (descending)');
+	},
+};
+
+/**
+ * `$namespace`: a dynamic variable reading `k8s.namespace.name` from metrics,
+ * with the panels it could be applied to.
+ */
+export const Dynamic: Story = {
+	play: async ({ canvasElement }) => {
+		await openVariableEditor(canvasElement, 'namespace');
+		await findPreviewValue('payments-prod');
+	},
+};
+
+/** `$owner`: a Textbox variable with its default value. */
+export const Textbox: Story = {
+	play: async ({ canvasElement }) => {
+		await openVariableEditor(canvasElement, 'owner');
+		await waitFor(() =>
+			expect(screen.getByTestId('variable-text-input')).toHaveValue(
+				'platform-team',
+			),
+		);
+	},
+};
+
+/**
+ * `$environment` and `$service` reading each other, as an imported dashboard
+ * can arrive: saving either one is refused and names the loop.
+ *
+ * The document is answered by the story, so the Panels, Sections, Variables and
+ * Locked controls do not reach it.
+ */
+export const CircularDependency: Story = {
+	parameters: { msw: { handlers: [cyclicVariablesDashboardHandler] } },
+	play: async ({ canvasElement }) => {
+		await openVariableEditor(canvasElement, 'service');
+		await userEvent.click(screen.getByTestId('variable-save'));
+		await screen.findByText(/circular dependency detected/);
+	},
+};

frontend/src/pages/DashboardPage/stories/settings/NewVariable.stories.tsx

@@ -0,0 +1,184 @@
+import type { ComponentType } from 'react';
+import type { Meta, StoryObj } from '@storybook/react-vite';
+import { Route } from 'react-router-dom';
+import ROUTES from 'constants/routes';
+import { screen, userEvent } from 'storybook/test';
+
+import { storyMocks } from '@/storybook/controls/defineStoryMocks';
+import type { PageStoryArgs } from '@/storybook/runtime/resolveStory';
+
+import {
+	dashboardMocks,
+	findPreviewValue,
+	openNewVariable,
+	openVariableSelect,
+	pickVariableType,
+	typeVariableName,
+} from '../DashboardPage.stories.mocks';
+
+import DashboardPage from '../../DashboardPage';
+
+type DashboardArgs = PageStoryArgs<typeof dashboardMocks>;
+
+const pageStory = storyMocks(dashboardMocks, { layout: 'app' });
+
+/**
+ * The variable editor on a new variable, reached from Add variable in the
+ * Variables tab: each type's own fields, the pickers they open, and the name
+ * and attribute checks that keep Save disabled.
+ *
+ * Route: `/dashboard/:dashboardId`.
+ */
+const meta = {
+	title: 'Pages/Dashboards/Detail/New Variable',
+	tags: ['authz', 'play'],
+	component: DashboardPage as ComponentType<DashboardArgs>,
+	render: (): JSX.Element => (
+		<Route path={ROUTES.DASHBOARD} component={DashboardPage} />
+	),
+	...pageStory,
+	parameters: { ...pageStory.parameters },
+} satisfies Meta<DashboardArgs>;
+
+export default meta;
+
+type Story = StoryObj<DashboardArgs>;
+
+/** The editor as it opens, on the Dynamic type with no field picked. */
+export const Default: Story = {
+	play: async ({ canvasElement }) => {
+		await openNewVariable(canvasElement);
+	},
+};
+
+/** The dynamic variable's field picker, open on the attributes it can read. */
+export const FieldPickerOpen: Story = {
+	play: async ({ canvasElement }) => {
+		await openNewVariable(canvasElement);
+		await openVariableSelect('variable-field-select');
+		await screen.findByRole(
+			'option',
+			{ name: 'k8s.cluster.name' },
+			{ timeout: 10000 },
+		);
+	},
+};
+
+/** The telemetry source the field is read from, open. */
+export const SignalPickerOpen: Story = {
+	play: async ({ canvasElement }) => {
+		await openNewVariable(canvasElement);
+		await openVariableSelect('variable-signal-select');
+		await screen.findByTitle('Traces');
+	},
+};
+
+/**
+ * A field picked: the name follows it until typed over, and the values it
+ * resolves to fill the preview and the default value.
+ */
+export const DynamicFieldPicked: Story = {
+	play: async (context) => {
+		await FieldPickerOpen.play?.(context);
+		await userEvent.click(
+			screen.getByRole('option', { name: 'k8s.cluster.name' }),
+		);
+		await findPreviewValue('prod-us-east-1');
+	},
+};
+
+/** A field another dynamic variable already reads, which Save refuses. */
+export const AttributeTaken: Story = {
+	play: async (context) => {
+		await FieldPickerOpen.play?.(context);
+		await userEvent.click(
+			screen.getByRole('option', { name: 'k8s.namespace.name' }),
+		);
+		await screen.findByText('A variable with this attribute key already exists');
+	},
+};
+
+/** The panels the new filter can be added to, open. */
+export const ApplyToPanelsOpen: Story = {
+	play: async ({ canvasElement }) => {
+		await openNewVariable(canvasElement);
+		await openVariableSelect('variable-apply-panels');
+		await screen.findByRole('listbox');
+	},
+};
+
+/** A name typed and cleared again. */
+export const NameRequired: Story = {
+	play: async ({ canvasElement }) => {
+		await openNewVariable(canvasElement);
+		await userEvent.type(screen.getByTestId('variable-name'), 'x{Backspace}');
+		await screen.findByText('Variable name is required');
+	},
+};
+
+/** A name another variable on the dashboard has. */
+export const NameTaken: Story = {
+	play: async ({ canvasElement }) => {
+		await openNewVariable(canvasElement);
+		await typeVariableName('environment');
+		await screen.findByText('Variable name already exists');
+	},
+};
+
+/** A name with a space in it, which a `$name` reference could not spell. */
+export const NameWithSpaces: Story = {
+	play: async ({ canvasElement }) => {
+		await openNewVariable(canvasElement);
+		await typeVariableName('build id');
+		await screen.findByText('Variable name cannot contain whitespaces');
+	},
+};
+
+/** A Textbox variable: a free-text value with an optional default. */
+export const Textbox: Story = {
+	play: async ({ canvasElement }) => {
+		await openNewVariable(canvasElement);
+		await typeVariableName('region');
+		await pickVariableType('textbox');
+		await userEvent.type(
+			await screen.findByTestId('variable-text-input'),
+			'us-east-1',
+		);
+	},
+};
+
+/**
+ * A Custom variable with its options typed in, previewed as they are parsed,
+ * and multiple values on, which adds the ALL option toggle.
+ */
+export const Custom: Story = {
+	play: async ({ canvasElement }) => {
+		await openNewVariable(canvasElement);
+		await typeVariableName('region');
+		await pickVariableType('custom');
+		await userEvent.type(
+			await screen.findByTestId('variable-custom-input'),
+			'us-east-1,eu-west-1,ap-south-1',
+		);
+		await userEvent.click(screen.getByTestId('variable-multi-switch'));
+		await screen.findByText('Include an option for ALL values');
+	},
+};
+
+/** The Custom variable's default value picker, open on the parsed options. */
+export const CustomDefaultOpen: Story = {
+	play: async (context) => {
+		await Custom.play?.(context);
+		await openVariableSelect('variable-default-select');
+		await screen.findByRole('option', { name: 'eu-west-1' });
+	},
+};
+
+/** A Query variable before its query is written: Test Run waits for one. */
+export const Query: Story = {
+	play: async ({ canvasElement }) => {
+		await openNewVariable(canvasElement);
+		await pickVariableType('query');
+		await screen.findByText('Test Run Query');
+	},
+};

frontend/src/pages/DashboardPage/stories/settings/Settings.stories.tsx

@@ -0,0 +1,181 @@
+import type { ComponentType } from 'react';
+import type { Meta, StoryObj } from '@storybook/react-vite';
+import { Route } from 'react-router-dom';
+import ROUTES from 'constants/routes';
+import { screen, userEvent, within } from 'storybook/test';
+
+import { storyMocks } from '@/storybook/controls/defineStoryMocks';
+import type { PageStoryArgs } from '@/storybook/runtime/resolveStory';
+
+import { dashboardMocks, openSettings } from '../DashboardPage.stories.mocks';
+
+import DashboardPage from '../../DashboardPage';
+
+type DashboardArgs = PageStoryArgs<typeof dashboardMocks>;
+
+const pageStory = storyMocks(dashboardMocks, { layout: 'app' });
+
+/**
+ * The dashboard's settings drawer on its Overview and Publish tabs: the name,
+ * icon, description and tags, the cross-panel sync mode, and the public link.
+ * The Publish tab only exists on cloud and enterprise licenses.
+ *
+ * Route: `/dashboard/:dashboardId`.
+ */
+const meta = {
+	title: 'Pages/Dashboards/Detail/Settings',
+	tags: ['authz', 'play'],
+	component: DashboardPage as ComponentType<DashboardArgs>,
+	render: (): JSX.Element => (
+		<Route path={ROUTES.DASHBOARD} component={DashboardPage} />
+	),
+	...pageStory,
+	parameters: { ...pageStory.parameters },
+} satisfies Meta<DashboardArgs>;
+
+export default meta;
+
+type Story = StoryObj<DashboardArgs>;
+
+/** The drawer as Configure opens it, on the Overview tab. */
+export const Overview: Story = {
+	play: async ({ canvasElement }) => {
+		await openSettings(canvasElement);
+		await screen.findByText('Sync Mode');
+	},
+};
+
+/** Two fields edited, so the footer counts them and offers to save or discard. */
+export const OverviewUnsavedChanges: Story = {
+	play: async ({ canvasElement }) => {
+		await openSettings(canvasElement);
+		await userEvent.type(await screen.findByTestId('dashboard-name'), ' (v2)');
+		await userEvent.type(
+			screen.getByTestId('dashboard-desc'),
+			' Owned by the platform team.',
+		);
+		await screen.findByText('2 unsaved changes');
+	},
+};
+
+/** The icon picker beside the name, open on the system icons. */
+export const OverviewIconPicker: Story = {
+	play: async ({ canvasElement }) => {
+		const panel = await openSettings(canvasElement);
+
+		await userEvent.click(within(panel).getAllByRole('combobox')[0]);
+		await screen.findByRole('listbox');
+	},
+};
+
+/**
+ * Sync set to Tooltip, which adds the choice between every series and only the
+ * ones that share the group-by.
+ */
+export const OverviewTooltipSync: Story = {
+	play: async ({ canvasElement }) => {
+		await openSettings(canvasElement);
+		await userEvent.click(await screen.findByRole('radio', { name: 'Tooltip' }));
+		await screen.findByText('Synced Tooltip Series');
+	},
+};
+
+/**
+ * The Overview tab's own tooltip: Cross-Panel Sync explains what syncing does
+ * and links out to the docs.
+ */
+export const TooltipsInOverview: Story = {
+	args: { tooltipsOpen: true },
+	play: Overview.play,
+};
+
+/** The Publish tab of a dashboard with a public link. */
+export const Publish: Story = {
+	play: async ({ canvasElement }) => {
+		await openSettings(canvasElement, 'Publish');
+		await screen.findByText('Default time range');
+	},
+};
+
+/** The Publish tab with its default time range select open. */
+export const PublishTimeRangeOpen: Story = {
+	play: async (context) => {
+		await Publish.play?.(context);
+		await userEvent.click(
+			within(screen.getByRole('tabpanel')).getByRole('combobox'),
+		);
+		await screen.findByRole('listbox');
+	},
+};
+
+/** The Publish tab of a dashboard nobody published: no link, one Publish button. */
+export const PublishPrivate: Story = {
+	args: { published: false },
+	// The 404 an unpublished dashboard answers with is the state under test.
+	parameters: { allowConsoleErrors: true },
+	play: async ({ canvasElement }) => {
+		await openSettings(canvasElement, 'Publish');
+		await screen.findByText('This dashboard is private');
+	},
+};
+
+/** The name edited and saved: the toast announcing the update, raised once the patch answers. */
+export const OverviewSavedToast: Story = {
+	play: async ({ canvasElement, args }) => {
+		await openSettings(canvasElement);
+		await userEvent.type(await screen.findByTestId('dashboard-name'), ' (v2)');
+		await userEvent.click(await screen.findByTestId('save-dashboard-config'));
+		if (args.dashboardPatch === 'success') {
+			await screen.findByText('Dashboard updated');
+		}
+	},
+};
+
+/** Publish Dashboard on a private dashboard: the toast announcing the new link. */
+export const PublishedToast: Story = {
+	args: { published: false },
+	// The 404 an unpublished dashboard answers with is the state under test.
+	parameters: { allowConsoleErrors: true },
+	play: async ({ canvasElement, args }) => {
+		await openSettings(canvasElement, 'Publish');
+		await userEvent.click(await screen.findByTestId('public-dashboard-publish'));
+		if (args.publicWrite === 'success') {
+			await screen.findByText('Dashboard published successfully');
+		}
+	},
+};
+
+/** Update Dashboard on a published dashboard: the toast confirming the new settings. */
+export const PublicUpdatedToast: Story = {
+	play: async ({ canvasElement, args }) => {
+		await openSettings(canvasElement, 'Publish');
+		await userEvent.click(await screen.findByTestId('public-dashboard-update'));
+		if (args.publicWrite === 'success') {
+			await screen.findByText('Public dashboard updated successfully');
+		}
+	},
+};
+
+/** Unpublish Dashboard: the toast confirming the link is gone. */
+export const UnpublishedToast: Story = {
+	play: async ({ canvasElement, args }) => {
+		await openSettings(canvasElement, 'Publish');
+		await userEvent.click(
+			await screen.findByTestId('public-dashboard-unpublish'),
+		);
+		if (args.publicWrite === 'success') {
+			await screen.findByText('Dashboard unpublished successfully');
+		}
+	},
+};
+
+/** The copy button beside the public link: the toast confirming the copy. */
+export const PublicUrlCopiedToast: Story = {
+	play: async ({ canvasElement }) => {
+		await openSettings(canvasElement, 'Publish');
+		await userEvent.click(
+			await screen.findByRole('button', { name: 'Copy link' }),
+		);
+		await screen.findByText('Copied public dashboard URL successfully');
+	},
+};

frontend/src/pages/DashboardPage/stories/settings/Variables.stories.tsx

@@ -0,0 +1,220 @@
+import type { ComponentType } from 'react';
+import type { Meta, StoryObj } from '@storybook/react-vite';
+import { Route } from 'react-router-dom';
+import ROUTES from 'constants/routes';
+import { screen, userEvent } from 'storybook/test';
+
+import { storyMocks } from '@/storybook/controls/defineStoryMocks';
+import type { PageStoryArgs } from '@/storybook/runtime/resolveStory';
+
+import {
+	clickRowAction,
+	confirmImpact,
+	dashboardMocks,
+	openSettings,
+	openVariableEditor,
+	typeVariableName,
+	variableRow,
+} from '../DashboardPage.stories.mocks';
+
+import DashboardPage from '../../DashboardPage';
+
+type DashboardArgs = PageStoryArgs<typeof dashboardMocks>;
+
+const pageStory = storyMocks(dashboardMocks, { layout: 'app' });
+
+/**
+ * The Variables tab of dashboard settings: the variables in the order the bar
+ * shows them, and what deleting, renaming or applying one does to the panels
+ * that read it. Every panel filters on `$environment`, and `$service` reads it
+ * too; nothing reads `$namespace` or `$owner`.
+ *
+ * Route: `/dashboard/:dashboardId`.
+ */
+const meta = {
+	title: 'Pages/Dashboards/Detail/Variables',
+	tags: ['authz', 'play'],
+	component: DashboardPage as ComponentType<DashboardArgs>,
+	render: (): JSX.Element => (
+		<Route path={ROUTES.DASHBOARD} component={DashboardPage} />
+	),
+	...pageStory,
+	parameters: { ...pageStory.parameters },
+} satisfies Meta<DashboardArgs>;
+
+export default meta;
+
+type Story = StoryObj<DashboardArgs>;
+
+/** One variable of each type, listed by name and description. */
+export const Default: Story = {
+	play: async ({ canvasElement }) => {
+		await openSettings(canvasElement, 'Variables');
+		await variableRow('owner');
+	},
+};
+
+/** A dashboard without variables, where the tab is its add-variable prompt. */
+export const Empty: Story = {
+	args: { variables: [] },
+	play: async ({ canvasElement }) => {
+		await openSettings(canvasElement, 'Variables');
+		await screen.findByText('No variables yet');
+	},
+};
+
+/**
+ * A dynamic variable's Apply to all says whether it is already a filter on
+ * every panel. The row keeps its actions invisible until it is hovered, which
+ * the story does first.
+ */
+export const TooltipsInVariables: Story = {
+	args: { tooltipsOpen: true },
+	play: async ({ canvasElement }) => {
+		await openSettings(canvasElement, 'Variables');
+
+		// The tooltip trigger's Slot merge drops the button's own test id.
+		await userEvent.hover(
+			await screen.findByRole(
+				'button',
+				{ name: 'Apply to all' },
+				{ timeout: 10000 },
+			),
+		);
+		await screen.findByText(
+			'Add this variable as a filter to every panel',
+			undefined,
+			{ timeout: 10000 },
+		);
+	},
+};
+
+/** Deleting a variable nothing reads, which the row confirms inline. */
+export const DeleteConfirm: Story = {
+	play: async ({ canvasElement }) => {
+		await openSettings(canvasElement, 'Variables');
+		await clickRowAction('owner', 'delete');
+		await screen.findByText('Delete?');
+	},
+};
+
+/**
+ * Deleting `$environment`, which the panels and `$service` read, so each usage
+ * is listed for review before anything is removed.
+ */
+export const DeleteReferenced: Story = {
+	play: async ({ canvasElement }) => {
+		await openSettings(canvasElement, 'Variables');
+		await clickRowAction('environment', 'delete');
+		await screen.findByText('Delete $environment');
+	},
+};
+
+/** Apply to all on `$namespace`: the filter it would add to every panel query. */
+export const ApplyToAll: Story = {
+	play: async ({ canvasElement }) => {
+		await openSettings(canvasElement, 'Variables');
+		await clickRowAction('namespace', 'apply-all');
+		await screen.findByText('Apply $namespace to panels');
+	},
+};
+
+/**
+ * Renaming `$environment` to `$env`: saving the editor holds the rename until
+ * the rewritten queries are reviewed.
+ */
+export const RenameReferenced: Story = {
+	play: async ({ canvasElement }) => {
+		await openVariableEditor(canvasElement, 'environment');
+		await typeVariableName('env');
+		await userEvent.click(screen.getByTestId('variable-save'));
+		await screen.findByText('Rename $environment');
+	},
+};
+
+/** Deleting a variable nothing reads, confirmed: the toast raised once the patch answers. */
+export const VariablesUpdatedToast: Story = {
+	play: async ({ canvasElement, args }) => {
+		await openSettings(canvasElement, 'Variables');
+		await clickRowAction('owner', 'delete');
+		await userEvent.click(
+			await screen.findByRole('button', { name: 'Confirm delete' }),
+		);
+		if (args.dashboardPatch === 'success') {
+			await screen.findByText('Variables updated');
+		}
+	},
+};
+
+/** Deleting `$environment` after reviewing its usages: the toast raised once the patch answers. */
+export const VariableDeletedToast: Story = {
+	play: async ({ canvasElement, args }) => {
+		await openSettings(canvasElement, 'Variables');
+		await clickRowAction('environment', 'delete');
+		await screen.findByText('Delete $environment');
+		await confirmImpact();
+		if (args.dashboardPatch === 'success') {
+			await screen.findByText('Deleted $environment');
+		}
+	},
+};
+
+/** Deleting `$environment` whose patch is refused. */
+export const VariableDeleteFailedToast: Story = {
+	args: { dashboardPatch: 'error' },
+	// The refused patch is the state under test.
+	parameters: { allowConsoleErrors: true },
+	play: async (context) => {
+		await VariableDeletedToast.play?.(context);
+		await screen.findByText('Could not delete the variable');
+	},
+};
+
+/** Renaming `$environment` to `$env` after reviewing the rewritten queries. */
+export const VariableRenamedToast: Story = {
+	play: async ({ canvasElement, args }) => {
+		await openVariableEditor(canvasElement, 'environment');
+		await typeVariableName('env');
+		await userEvent.click(screen.getByTestId('variable-save'));
+		await screen.findByText('Rename $environment');
+		await confirmImpact();
+		if (args.dashboardPatch === 'success') {
+			await screen.findByText('Renamed to $env');
+		}
+	},
+};
+
+/** Renaming `$environment` whose patch is refused. */
+export const VariableRenameFailedToast: Story = {
+	args: { dashboardPatch: 'error' },
+	// The refused patch is the state under test.
+	parameters: { allowConsoleErrors: true },
+	play: async (context) => {
+		await VariableRenamedToast.play?.(context);
+		await screen.findByText('Could not rename the variable');
+	},
+};
+
+/** Apply to all on `$namespace`, confirmed after the review. */
+export const VariableAppliedToast: Story = {
+	play: async ({ canvasElement, args }) => {
+		await openSettings(canvasElement, 'Variables');
+		await clickRowAction('namespace', 'apply-all');
+		await screen.findByText('Apply $namespace to panels');
+		await confirmImpact();
+		if (args.dashboardPatch === 'success') {
+			await screen.findByText('Applied $namespace to panels');
+		}
+	},
+};
+
+/** Apply to all on `$namespace` whose patch is refused. */
+export const VariableApplyFailedToast: Story = {
+	args: { dashboardPatch: 'error' },
+	// The refused patch is the state under test.
+	parameters: { allowConsoleErrors: true },
+	play: async (context) => {
+		await VariableAppliedToast.play?.(context);
+		await screen.findByText('Could not apply the variable to panels');
+	},
+};

frontend/src/pages/DashboardsListPage/stories/DashboardsListPage.stories.mocks.tsx

@@ -3,9 +3,23 @@
  * Do not hand-edit: regenerate instead.
  */
 
-import { rest } from 'msw';
+import {
+	rest,
+	type ResponseResolver,
+	type RestContext,
+	type RestRequest,
+} from 'msw';
+import logEvent from 'api/common/logEvent';
 import type { GetDashboardV2200 } from 'api/generated/services/sigNoz.schemas';
 import ROUTES from 'constants/routes';
+import {
+	expect,
+	mocked,
+	screen,
+	userEvent,
+	waitFor,
+	within,
+} from 'storybook/test';
 
 import {
 	choiceControl,
@@ -21,14 +35,20 @@ import {
 	dashboardViewsResponse,
 	dashboardsListResponse,
 	orgUsersResponse,
+	PIN_WRITES,
 	recentDashboardIds,
 	ROW_MARKERS,
 	savedView,
 	seedPinnedDashboards,
 	setDashboardPinned,
 	STORY_USER_EMAIL,
+	TEMPLATE_REQUESTS,
 	TOOLTIP_TAGS,
+	WRITE_STATES,
+	type PinWrite,
 	type RowMarker,
+	type TemplateRequest,
+	type WriteState,
 } from './__story_mockdata__/dashboardsList';
 import { useDashboardViewsStore } from '../store/useDashboardViewsStore';
 import {
@@ -40,6 +60,7 @@ import { builtinViewQuery } from '../utils/views';
 
 const LIST = 'Dashboards · list';
 const VIEWS = 'Dashboards · views';
+const WRITES = 'Dashboards · writes';
 
 const VIEWS_OPTIONS = [
 	BuiltinViewId.All,
@@ -71,6 +92,42 @@ const writtenDashboard = (): GetDashboardV2200 =>
 
 const ok = { status: 'success', data: null };
 
+const serverError = {
+	status: 'error',
+	error: {
+		code: 'internal',
+		message: 'Something went wrong',
+		url: '',
+		errors: [],
+	},
+};
+
+const pinLimitError = {
+	status: 'error',
+	error: {
+		code: 'already_exists',
+		message: 'Pin limit reached',
+		url: '',
+		errors: [],
+	},
+};
+
+/** Answers a write per its control: the `success` resolver, never, or a 500. */
+const gated =
+	(
+		state: WriteState,
+		success: ResponseResolver<RestRequest, RestContext>,
+	): ResponseResolver<RestRequest, RestContext> =>
+	(req, res, ctx) => {
+		if (state === 'loading') {
+			return res(ctx.delay('infinite'));
+		}
+
+		return state === 'error'
+			? res(ctx.status(500), ctx.json(serverError))
+			: success(req, res, ctx);
+	};
+
 /**
  * `formatQueryErrorMessage` strips the `invalid filter query:` prefix and turns
  * the backticks into quotes, so the message carries both to show it doing it.
@@ -174,6 +231,48 @@ export const dashboardsListMocks = defineStoryMocks({
 				'Answers the list with a 400 and a parse error, which is the Invalid query state: the backend message replaces the generic one and Retry is gone.',
 			value: false,
 		}),
+		rowWrite: choiceControl<WriteState>('Row action', {
+			group: WRITES,
+			description:
+				'How rename, tags, duplicate, lock and delete answer. `success` raises their toast, `loading` never answers, `error` opens the error modal instead.',
+			options: WRITE_STATES,
+			value: 'success',
+		}),
+		pinWrite: choiceControl<PinWrite>('Pin', {
+			group: WRITES,
+			description:
+				'How pinning answers. `limit` refuses the pin with a 409 and raises the 10-pin toast, `error` fails both pin and unpin with a toast.',
+			options: PIN_WRITES,
+			value: 'success',
+		}),
+		createWrite: choiceControl<WriteState>('Create dashboard', {
+			group: WRITES,
+			description:
+				'How the POST behind Create and Import answers. `error` raises a failure toast beside the error modal.',
+			options: WRITE_STATES,
+			value: 'success',
+		}),
+		migrationWrite: choiceControl<WriteState>('Retry migration', {
+			group: WRITES,
+			description:
+				'How the legacy dashboard migration answers. `success` raises the migrated toast, `error` the failure toast.',
+			options: WRITE_STATES,
+			value: 'success',
+		}),
+		viewWrite: choiceControl<WriteState>('Saved view writes', {
+			group: WRITES,
+			description:
+				'How saving, renaming and deleting a saved view answer. `error` raises the failure toast.',
+			options: WRITE_STATES,
+			value: 'success',
+		}),
+		templateRequest: choiceControl<TemplateRequest>('Template request', {
+			group: WRITES,
+			description:
+				'How the analytics event behind "Request a new template" answers: `error` returns a failed response, `rejected` throws.',
+			options: TEMPLATE_REQUESTS,
+			value: 'success',
+		}),
 		view: choiceControl<ViewOption>('Active view', {
 			group: VIEWS,
 			description:
@@ -237,6 +336,12 @@ export const dashboardsListMocks = defineStoryMocks({
 		rest.put(
 			'http://localhost/api/v2/users/me/dashboards/:id/pins',
 			(req, res, ctx) => {
+				if (values.pinWrite !== 'success') {
+					return values.pinWrite === 'limit'
+						? res(ctx.status(409), ctx.json(pinLimitError))
+						: res(ctx.status(500), ctx.json(serverError));
+				}
+
 				setDashboardPinned(String(req.params.id), true);
 
 				return res(ctx.status(200), ctx.json(ok));
@@ -246,44 +351,75 @@ export const dashboardsListMocks = defineStoryMocks({
 		rest.delete(
 			'http://localhost/api/v2/users/me/dashboards/:id/pins',
 			(req, res, ctx) => {
+				if (values.pinWrite === 'error') {
+					return res(ctx.status(500), ctx.json(serverError));
+				}
+
 				setDashboardPinned(String(req.params.id), false);
 
 				return res(ctx.status(200), ctx.json(ok));
 			},
 		),
 
-		rest.post('http://localhost/api/v2/dashboards', (_req, res, ctx) =>
-			res(ctx.status(201), ctx.json(writtenDashboard())),
+		rest.post(
+			'http://localhost/api/v2/dashboards',
+			gated(values.createWrite, (_req, res, ctx) =>
+				res(ctx.status(201), ctx.json(writtenDashboard())),
+			),
 		),
 
-		rest.put('http://localhost/api/v2/dashboards/:id', (_req, res, ctx) =>
-			res(ctx.status(200), ctx.json(writtenDashboard())),
+		rest.put(
+			'http://localhost/api/v2/dashboards/:id',
+			gated(values.rowWrite, (_req, res, ctx) =>
+				res(ctx.status(200), ctx.json(writtenDashboard())),
+			),
 		),
 
-		rest.post('http://localhost/api/v2/dashboards/:id/clone', (_req, res, ctx) =>
-			res(ctx.status(200), ctx.json(writtenDashboard())),
+		rest.patch(
+			'http://localhost/api/v2/dashboards/:id',
+			gated(values.rowWrite, (_req, res, ctx) =>
+				res(ctx.status(200), ctx.json(writtenDashboard())),
+			),
+		),
+
+		rest.post(
+			'http://localhost/api/v2/dashboards/:id/clone',
+			gated(values.rowWrite, (_req, res, ctx) =>
+				res(ctx.status(200), ctx.json(writtenDashboard())),
+			),
 		),
 
 		rest.post(
 			'http://localhost/api/v2/dashboards/:id/migrate',
-			(_req, res, ctx) => res(ctx.status(200), ctx.json(writtenDashboard())),
+			gated(values.migrationWrite, (_req, res, ctx) =>
+				res(ctx.status(200), ctx.json(writtenDashboard())),
+			),
 		),
 
-		rest.delete('http://localhost/api/v2/dashboards/:id', (_req, res, ctx) =>
-			res(ctx.status(200), ctx.json(ok)),
+		rest.delete(
+			'http://localhost/api/v2/dashboards/:id',
+			gated(values.rowWrite, (_req, res, ctx) =>
+				res(ctx.status(200), ctx.json(ok)),
+			),
 		),
 
-		rest.put('http://localhost/api/v2/dashboards/:id/lock', (_req, res, ctx) =>
-			res(ctx.status(200), ctx.json(ok)),
+		rest.put(
+			'http://localhost/api/v2/dashboards/:id/lock',
+			gated(values.rowWrite, (_req, res, ctx) =>
+				res(ctx.status(200), ctx.json(ok)),
+			),
 		),
 
-		rest.delete('http://localhost/api/v2/dashboards/:id/lock', (_req, res, ctx) =>
-			res(ctx.status(200), ctx.json(ok)),
+		rest.delete(
+			'http://localhost/api/v2/dashboards/:id/lock',
+			gated(values.rowWrite, (_req, res, ctx) =>
+				res(ctx.status(200), ctx.json(ok)),
+			),
 		),
 
 		rest.post(
 			'http://localhost/api/v2/dashboard_views',
-			async (req, res, ctx) => {
+			gated(values.viewWrite, async (req, res, ctx) => {
 				const body = (await req.json()) as { name: string };
 
 				return res(
@@ -298,12 +434,12 @@ export const dashboardsListMocks = defineStoryMocks({
 						},
 					}),
 				);
-			},
+			}),
 		),
 
 		rest.put(
 			'http://localhost/api/v2/dashboard_views/:id',
-			async (req, res, ctx) => {
+			gated(values.viewWrite, async (req, res, ctx) => {
 				const body = (await req.json()) as { name: string; data: unknown };
 
 				return res(
@@ -318,15 +454,37 @@ export const dashboardsListMocks = defineStoryMocks({
 						},
 					}),
 				);
-			},
+			}),
 		),
 
-		rest.delete('http://localhost/api/v2/dashboard_views/:id', (_req, res, ctx) =>
-			res(ctx.status(200), ctx.json(ok)),
+		rest.delete(
+			'http://localhost/api/v2/dashboard_views/:id',
+			gated(values.viewWrite, (_req, res, ctx) =>
+				res(ctx.status(200), ctx.json(ok)),
+			),
 		),
 	],
 	config: (values) => ({ route: listRoute(values.view) }),
 	effect: (values) => {
+		mocked(logEvent).mockImplementation(async () => {
+			if (values.templateRequest === 'rejected') {
+				throw new Error('Event rejected');
+			}
+
+			return values.templateRequest === 'error'
+				? {
+						statusCode: 500,
+						payload: null,
+						error: 'Event rejected',
+						message: null,
+					}
+				: {
+						statusCode: 200,
+						error: null,
+						message: 'success',
+						payload: { status: 'success', data: '' },
+					};
+		});
 		seedPinnedDashboards(
 			values.markers.includes('pinned')
 				? Array.from({ length: PINNED_COUNT }, (_unused, index) =>
@@ -342,3 +500,105 @@ export const dashboardsListMocks = defineStoryMocks({
 		});
 	},
 });
+
+/** Opens the actions menu of the row at `index`. */
+export const openRowActions = async (
+	canvasElement: HTMLElement,
+	index: number,
+): Promise<void> => {
+	// The icon-only trigger carries no accessible name.
+	const triggers = await within(canvasElement).findAllByTestId(
+		'dashboard-action-icon',
+		{},
+		{ timeout: 10000 },
+	);
+
+	await userEvent.click(triggers[index]);
+	await screen.findByText('Rename');
+};
+
+/** Picks a row action, retrying while its permission check still disables it. */
+export const pickRowAction = async (label: string | RegExp): Promise<void> => {
+	await waitFor(
+		async () => {
+			await userEvent.click(screen.getByText(label));
+			await screen.findByRole('dialog', {}, { timeout: 500 });
+		},
+		{ timeout: 10000 },
+	);
+};
+
+/** Picks a row action once its permission check has enabled it. */
+export const clickRowAction = async (testId: string): Promise<void> => {
+	const item = await screen.findByTestId(testId);
+
+	await waitFor(
+		async () => {
+			await expect(item).toBeEnabled();
+			await expect(item).not.toHaveAttribute('data-disabled');
+			await expect(item).not.toHaveAttribute('aria-disabled', 'true');
+		},
+		{ timeout: 10000 },
+	);
+	await userEvent.click(item);
+};
+
+export const TOAST_TIMEOUT = 10000;
+
+export const openLegacyDialog = async (
+	canvasElement: HTMLElement,
+): Promise<void> => {
+	await userEvent.click(
+		await within(canvasElement).findByTestId(
+			'dashboard-title-4',
+			{},
+			{ timeout: TOAST_TIMEOUT },
+		),
+	);
+	await screen.findByTestId('legacy-dashboard-id');
+};
+
+export const retryMigration = async (
+	canvasElement: HTMLElement,
+): Promise<void> => {
+	await openLegacyDialog(canvasElement);
+	const retry = await screen.findByTestId('legacy-dashboard-retry-migration');
+
+	await waitFor(() => expect(retry).toBeEnabled(), { timeout: TOAST_TIMEOUT });
+	await userEvent.click(retry);
+};
+
+export const uploadDashboardJson = async (json: object): Promise<void> => {
+	await userEvent.click(await screen.findByText('Import JSON'));
+	const dialog = await screen.findByRole('dialog');
+	const input = dialog.querySelector<HTMLInputElement>('input[type="file"]');
+
+	if (!input) {
+		throw new Error('The import dialog has no file input');
+	}
+	await userEvent.upload(
+		input,
+		new File([JSON.stringify(json)], 'dashboard.json', {
+			type: 'application/json',
+		}),
+	);
+	await userEvent.click(await screen.findByTestId('import-json-submit'));
+};
+
+export const requestTemplate = async (
+	canvasElement: HTMLElement,
+): Promise<void> => {
+	await userEvent.click(
+		await within(canvasElement).findByTestId(
+			'new-dashboard-cta',
+			{},
+			{ timeout: TOAST_TIMEOUT },
+		),
+	);
+	await userEvent.click(await screen.findByText('From a template'));
+	await userEvent.type(
+		await screen.findByTestId('request-dashboard-name'),
+		'Redis overview',
+	);
+	await userEvent.click(await screen.findByTestId('request-dashboard-submit'));
+};

frontend/src/pages/DashboardsListPage/stories/DashboardsListPage.stories.tsx

@@ -5,8 +5,16 @@ import { storyMocks } from '@/storybook/controls/defineStoryMocks';
 import type { PageStoryArgs } from '@/storybook/runtime/resolveStory';
 
 import {
+	clickRowAction,
 	dashboardsListMocks,
+	openLegacyDialog,
+	openRowActions,
 	overflowingRows,
+	pickRowAction,
+	requestTemplate,
+	retryMigration,
+	TOAST_TIMEOUT,
+	uploadDashboardJson,
 } from './DashboardsListPage.stories.mocks';
 import { BuiltinViewId } from '../types';
 
@@ -114,6 +122,415 @@ export const Tooltips: Story = {
 	parameters: { msw: { handlers: [overflowingRows] } },
 };
 
+/** The first row's actions menu, open over the list. */
+export const RowActionsMenu: Story = {
+	play: async ({ canvasElement }) => {
+		await openRowActions(canvasElement, 0);
+	},
+};
+
+/** The rename dialog, opened from the menu of the second row (the first is locked). */
+export const RenameDashboardDialog: Story = {
+	play: async ({ canvasElement }) => {
+		await openRowActions(canvasElement, 1);
+		await pickRowAction('Rename');
+		await screen.findByRole('dialog', { name: 'Rename dashboard' });
+	},
+};
+
+/** The tags dialog, opened from the menu of the second row (the first is locked). */
+export const EditTagsDialog: Story = {
+	play: async ({ canvasElement }) => {
+		await openRowActions(canvasElement, 1);
+		await pickRowAction(/^(Edit|Add) Tags$/);
+		await screen.findByRole('dialog', { name: /^(Edit|Add) tags$/ });
+	},
+};
+
+/** The popover that names the current filters as a new saved view. */
+export const SaveViewPopover: Story = {
+	play: async ({ canvasElement }) => {
+		await userEvent.click(
+			await within(canvasElement).findByRole(
+				'button',
+				{ name: 'Save current filters as a view' },
+				{ timeout: 10000 },
+			),
+		);
+		await screen.findByText('Save as view');
+	},
+};
+
+/** The renamed toast, raised once the PATCH answers. */
+export const DashboardRenamedToast: Story = {
+	play: async ({ canvasElement, args }) => {
+		await openRowActions(canvasElement, 1);
+		await pickRowAction('Rename');
+		const input = await screen.findByTestId('rename-dashboard-input');
+
+		await userEvent.clear(input);
+		await userEvent.type(input, 'API latency overview');
+		await userEvent.click(await screen.findByTestId('rename-dashboard-submit'));
+		if (args.rowWrite === 'success') {
+			await screen.findByText('Dashboard renamed', {}, { timeout: TOAST_TIMEOUT });
+		}
+	},
+};
+
+/** The tags toast, raised once the PATCH answers. */
+export const TagsUpdatedToast: Story = {
+	play: async ({ canvasElement, args }) => {
+		await openRowActions(canvasElement, 1);
+		await pickRowAction(/^(Edit|Add) Tags$/);
+		const input = await screen.findByPlaceholderText('key:value (press Enter)');
+
+		await userEvent.type(input, 'owner:sre{Enter}');
+		await userEvent.click(await screen.findByTestId('edit-tags-submit'));
+		if (args.rowWrite === 'success') {
+			await screen.findByText('Tags updated', {}, { timeout: TOAST_TIMEOUT });
+		}
+	},
+};
+
+/** Duplicate from the row menu: the toast names the source dashboard. */
+export const DashboardDuplicatedToast: Story = {
+	play: async ({ canvasElement, args }) => {
+		await openRowActions(canvasElement, 1);
+		await clickRowAction('dashboard-action-duplicate');
+		if (args.rowWrite === 'success') {
+			await screen.findByText(
+				'Duplicated "API latency and errors"',
+				{},
+				{ timeout: TOAST_TIMEOUT },
+			);
+		}
+	},
+};
+
+/** Lock from the row menu of an unlocked dashboard. */
+export const DashboardLockedToast: Story = {
+	play: async ({ canvasElement, args }) => {
+		await openRowActions(canvasElement, 1);
+		await clickRowAction('dashboard-action-lock');
+		if (args.rowWrite === 'success') {
+			await screen.findByText('Dashboard locked', {}, { timeout: TOAST_TIMEOUT });
+		}
+	},
+};
+
+/** Unlock from the row menu of the first row, which is locked. */
+export const DashboardUnlockedToast: Story = {
+	play: async ({ canvasElement, args }) => {
+		await openRowActions(canvasElement, 0);
+		await clickRowAction('dashboard-action-lock');
+		if (args.rowWrite === 'success') {
+			await screen.findByText(
+				'Dashboard unlocked',
+				{},
+				{ timeout: TOAST_TIMEOUT },
+			);
+		}
+	},
+};
+
+/** Delete confirmed in the dialog the row menu opens. */
+export const DashboardDeletedToast: Story = {
+	play: async ({ canvasElement, args }) => {
+		await openRowActions(canvasElement, 1);
+		await clickRowAction('dashboard-action-delete');
+		const dialog = await screen.findByRole('dialog');
+
+		await userEvent.click(
+			await within(dialog).findByRole('button', { name: 'Delete' }),
+		);
+		if (args.rowWrite === 'success') {
+			await screen.findByText(
+				'Dashboard deleted successfully',
+				{},
+				{ timeout: TOAST_TIMEOUT },
+			);
+		}
+	},
+};
+
+/** Pinning past the limit: the backend refuses with a 409. */
+export const PinLimitToast: Story = {
+	args: { pinWrite: 'limit' },
+	play: async ({ canvasElement }) => {
+		await userEvent.click(
+			await within(canvasElement).findByTestId(
+				'dashboard-pin-3',
+				{},
+				{ timeout: TOAST_TIMEOUT },
+			),
+		);
+		await screen.findByText(
+			/You can pin up to 10 dashboards/,
+			{},
+			{ timeout: TOAST_TIMEOUT },
+		);
+	},
+	parameters: { allowConsoleErrors: true },
+};
+
+/** A pin the backend failed to write. */
+export const PinFailedToast: Story = {
+	args: { pinWrite: 'error' },
+	play: async ({ canvasElement }) => {
+		await userEvent.click(
+			await within(canvasElement).findByTestId(
+				'dashboard-pin-3',
+				{},
+				{ timeout: TOAST_TIMEOUT },
+			),
+		);
+		await screen.findByText(
+			'Failed to pin dashboard.',
+			{},
+			{ timeout: TOAST_TIMEOUT },
+		);
+	},
+	parameters: { allowConsoleErrors: true },
+};
+
+/** An unpin the backend failed to write, from the first (pinned) row. */
+export const UnpinFailedToast: Story = {
+	args: { pinWrite: 'error' },
+	play: async ({ canvasElement }) => {
+		await userEvent.click(
+			await within(canvasElement).findByTestId(
+				'dashboard-pin-0',
+				{},
+				{ timeout: TOAST_TIMEOUT },
+			),
+		);
+		await screen.findByText(
+			'Failed to unpin dashboard.',
+			{},
+			{ timeout: TOAST_TIMEOUT },
+		);
+	},
+	parameters: { allowConsoleErrors: true },
+};
+
+/** The id copied from the legacy dashboard dialog. */
+export const LegacyDashboardIdCopiedToast: Story = {
+	play: async ({ canvasElement }) => {
+		await openLegacyDialog(canvasElement);
+		await userEvent.click(await screen.findByTestId('legacy-dashboard-copy-id'));
+		await screen.findByText(
+			'Dashboard ID copied',
+			{},
+			{ timeout: TOAST_TIMEOUT },
+		);
+	},
+};
+
+/** Retry migration of the legacy dashboard succeeding. */
+export const DashboardMigratedToast: Story = {
+	play: async ({ canvasElement, args }) => {
+		await retryMigration(canvasElement);
+		if (args.migrationWrite === 'success') {
+			await screen.findByText(
+				'Dashboard migrated to the new experience',
+				{},
+				{ timeout: TOAST_TIMEOUT },
+			);
+		}
+	},
+};
+
+/** Retry migration of the legacy dashboard refused by the backend. */
+export const DashboardMigrationFailedToast: Story = {
+	args: { migrationWrite: 'error' },
+	play: async ({ canvasElement }) => {
+		await retryMigration(canvasElement);
+		await screen.findByText(
+			'Something went wrong',
+			{},
+			{ timeout: TOAST_TIMEOUT },
+		);
+	},
+	parameters: { allowConsoleErrors: true },
+};
+
+/** The Blank tab's create failing: the toast raised beside the error modal. */
+export const CreateDashboardFailedToast: Story = {
+	args: { createWrite: 'error' },
+	play: async ({ canvasElement }) => {
+		await userEvent.click(
+			await within(canvasElement).findByTestId(
+				'new-dashboard-cta',
+				{},
+				{ timeout: TOAST_TIMEOUT },
+			),
+		);
+		await userEvent.click(await screen.findByTestId('create-dashboard-submit'));
+		await screen.findAllByText(
+			/Something went wrong/,
+			{},
+			{ timeout: TOAST_TIMEOUT },
+		);
+	},
+	parameters: { allowConsoleErrors: true },
+};
+
+const IMPORTED_SPEC = { layouts: [], panels: {}, variables: [] };
+
+/** A dashboard file whose `image` is neither an asset path nor base64. */
+export const ImportJsonInvalidImageToast: Story = {
+	play: async ({ canvasElement }) => {
+		await userEvent.click(
+			await within(canvasElement).findByTestId(
+				'new-dashboard-cta',
+				{},
+				{ timeout: TOAST_TIMEOUT },
+			),
+		);
+		await uploadDashboardJson({
+			schemaVersion: 'v6',
+			image: 'https://example.com/logo.png',
+			spec: { display: { name: 'Imported' }, ...IMPORTED_SPEC },
+		});
+		await screen.findByText(
+			/Dashboard "image" must be/,
+			{},
+			{ timeout: TOAST_TIMEOUT },
+		);
+	},
+};
+
+/** A valid dashboard file the create endpoint refuses. */
+export const ImportJsonCreateFailedToast: Story = {
+	args: { createWrite: 'error' },
+	play: async ({ canvasElement }) => {
+		await userEvent.click(
+			await within(canvasElement).findByTestId(
+				'new-dashboard-cta',
+				{},
+				{ timeout: TOAST_TIMEOUT },
+			),
+		);
+		await uploadDashboardJson({
+			schemaVersion: 'v6',
+			spec: { display: { name: 'Imported' }, ...IMPORTED_SPEC },
+		});
+		await screen.findAllByText(
+			/Something went wrong/,
+			{},
+			{ timeout: TOAST_TIMEOUT },
+		);
+	},
+	parameters: { allowConsoleErrors: true },
+};
+
+/** A template request the analytics endpoint accepted. */
+export const TemplateRequestSubmittedToast: Story = {
+	play: async ({ canvasElement }) => {
+		await requestTemplate(canvasElement);
+		await screen.findByText(
+			'Dashboard request submitted',
+			{},
+			{ timeout: TOAST_TIMEOUT },
+		);
+	},
+};
+
+/** A template request the analytics endpoint answered with a failure. */
+export const TemplateRequestFailedToast: Story = {
+	args: { templateRequest: 'error' },
+	play: async ({ canvasElement }) => {
+		await requestTemplate(canvasElement);
+		await screen.findByText('Event rejected', {}, { timeout: TOAST_TIMEOUT });
+	},
+};
+
+/** A template request that threw before an answer came back. */
+export const TemplateRequestRejectedToast: Story = {
+	args: { templateRequest: 'rejected' },
+	play: async ({ canvasElement }) => {
+		await requestTemplate(canvasElement);
+		await screen.findByText(
+			'Something went wrong',
+			{},
+			{ timeout: TOAST_TIMEOUT },
+		);
+	},
+};
+
+/** Saving the current filters as a view, refused by the backend. */
+export const SaveViewFailedToast: Story = {
+	args: { viewWrite: 'error' },
+	play: async ({ canvasElement }) => {
+		await userEvent.click(
+			await within(canvasElement).findByRole(
+				'button',
+				{ name: 'Save current filters as a view' },
+				{ timeout: TOAST_TIMEOUT },
+			),
+		);
+		await userEvent.type(await screen.findByTestId('save-view-name'), 'On-call');
+		await userEvent.click(await screen.findByTestId('save-view-confirm'));
+		await screen.findByText(
+			'Failed to save view.',
+			{},
+			{ timeout: TOAST_TIMEOUT },
+		);
+	},
+	parameters: { allowConsoleErrors: true },
+};
+
+/** Renaming a saved view, refused by the backend. */
+export const RenameViewFailedToast: Story = {
+	args: { viewWrite: 'error' },
+	play: async ({ canvasElement }) => {
+		const [rename] = await within(canvasElement).findAllByRole(
+			'button',
+			{ name: 'Rename view' },
+			{ timeout: TOAST_TIMEOUT },
+		);
+
+		// The actions only take pointer events while the row is hovered by CSS.
+		await userEvent.click(rename, { pointerEventsCheck: 0 });
+		const input = await screen.findByTestId('rename-view-name');
+
+		await userEvent.clear(input);
+		await userEvent.type(input, 'Renamed view');
+		await userEvent.click(await screen.findByTestId('rename-view-confirm'));
+		await screen.findByText(
+			'Failed to update view.',
+			{},
+			{ timeout: TOAST_TIMEOUT },
+		);
+	},
+	parameters: { allowConsoleErrors: true },
+};
+
+/** Deleting a saved view, refused by the backend. */
+export const DeleteViewFailedToast: Story = {
+	args: { viewWrite: 'error' },
+	play: async ({ canvasElement }) => {
+		const [remove] = await within(canvasElement).findAllByRole(
+			'button',
+			{ name: 'Delete view' },
+			{ timeout: TOAST_TIMEOUT },
+		);
+
+		await userEvent.click(remove, { pointerEventsCheck: 0 });
+		const dialog = await screen.findByRole('dialog');
+
+		await userEvent.click(
+			await within(dialog).findByRole('button', { name: 'Delete' }),
+		);
+		await screen.findByText(
+			'Failed to delete view.',
+			{},
+			{ timeout: TOAST_TIMEOUT },
+		);
+	},
+	parameters: { allowConsoleErrors: true },
+};
+
 /**
  * The query the backend refused: the parse error it returned replaces the
  * generic failure copy, and there is nothing to retry.

frontend/src/pages/DashboardsListPage/stories/__story_mockdata__/dashboardsList.ts

@@ -346,3 +346,15 @@ export const recentDashboardIds = (count: number): string[] =>
 		{ length: count },
 		(_, index) => `storybook-dashboard-${index + 4}`,
 	);
+
+export const WRITE_STATES = ['success', 'loading', 'error'] as const;
+
+export type WriteState = (typeof WRITE_STATES)[number];
+
+export const PIN_WRITES = ['success', 'limit', 'error'] as const;
+
+export type PinWrite = (typeof PIN_WRITES)[number];
+
+export const TEMPLATE_REQUESTS = ['success', 'error', 'rejected'] as const;
+
+export type TemplateRequest = (typeof TEMPLATE_REQUESTS)[number];

frontend/src/pages/EditRules/stories/EditRules.stories.mocks.tsx

@@ -5,6 +5,7 @@
 
 import ROUTES from 'constants/routes';
 import { rest } from 'msw';
+import { userEvent, within } from 'storybook/test';
 
 import { choiceControl, countControl } from '@/storybook/controls/controls';
 import { defineStoryMocks } from '@/storybook/controls/defineStoryMocks';
@@ -120,3 +121,36 @@ export const editRulesMocks = defineStoryMocks({
 		route: `${ROUTES.EDIT_ALERTS}?ruleId=${STORY_RULE_ID}&relativeTime=6h`,
 	}),
 });
+
+/** The page fetches the rule before it renders the form, which outlasts the 1s default. */
+const untilLoaded = { timeout: 15_000 };
+
+const LABEL_INPUT = 'alert-labels-input-v1';
+
+/** The labels field, scrolled into view once the rule has loaded. */
+export const findLabelInput = async (
+	canvasElement: HTMLElement,
+): Promise<HTMLElement> => {
+	const input = await within(canvasElement).findByTestId(
+		LABEL_INPUT,
+		undefined,
+		untilLoaded,
+	);
+	input.scrollIntoView({ block: 'center' });
+	return input;
+};
+
+export const removeLabel = async (
+	canvasElement: HTMLElement,
+	label: string,
+): Promise<void> => {
+	const chip = within(canvasElement)
+		.getByText(label)
+		.closest<HTMLElement>('[data-slot="badge"]');
+
+	if (!chip) {
+		throw new Error(`Label ${label} did not render`);
+	}
+
+	await userEvent.click(within(chip).getByRole('button'));
+};

frontend/src/pages/EditRules/stories/EditRules.stories.tsx

@@ -1,9 +1,14 @@
 import type { Meta, StoryObj } from '@storybook/react-vite';
+import { expect, screen, userEvent, waitFor, within } from 'storybook/test';
 
 import { storyMocks } from '@/storybook/controls/defineStoryMocks';
 import type { PageStoryArgs } from '@/storybook/runtime/resolveStory';
 
-import { editRulesMocks } from './EditRules.stories.mocks';
+import {
+	editRulesMocks,
+	findLabelInput,
+	removeLabel,
+} from './EditRules.stories.mocks';
 
 import EditRules from '../index';
 
@@ -19,6 +24,7 @@ const pageStory = storyMocks(editRulesMocks, { layout: 'app' });
  */
 const meta = {
 	title: 'Pages/Alerts/Edit',
+	tags: ['play'],
 	component: EditRules,
 	...pageStory,
 	parameters: { ...pageStory.parameters },
@@ -53,3 +59,79 @@ export const RuleNotFound: Story = {
 export const Tooltips: Story = {
 	args: { tooltipsOpen: true, previewSeries: 6 },
 };
+
+/** The rule's own labels, each with its remove button, above the empty input. */
+export const Labels: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await findLabelInput(canvasElement);
+		const canvas = within(canvasElement);
+		await canvas.findByText('team: platform');
+		await canvas.findByText('env: prod');
+	},
+};
+
+/** A key typed and confirmed: it waits as its own chip while the input asks for its value. */
+export const LabelKeyEntered: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		const input = await findLabelInput(canvasElement);
+		await userEvent.type(input, 'region{enter}');
+		await within(canvasElement).findByPlaceholderText(
+			'Enter a value for label key(region) then press ENTER.',
+		);
+	},
+};
+
+/** A key and its value confirmed, added after the rule's own labels. */
+export const LabelAdded: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		const input = await findLabelInput(canvasElement);
+		await userEvent.type(input, 'region{enter}');
+		await userEvent.type(input, 'us-east-1{enter}');
+		await within(canvasElement).findByText('region: us-east-1');
+	},
+};
+
+/** One of the rule's labels removed, the other left in place. */
+export const LabelRemoved: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await findLabelInput(canvasElement);
+		await within(canvasElement).findByText('team: platform');
+		await removeLabel(canvasElement, 'team: platform');
+		await waitFor(() =>
+			expect(within(canvasElement).queryByText('team: platform')).toBeNull(),
+		);
+		await expect(within(canvasElement).getByText('env: prod')).toBeVisible();
+	},
+};
+
+/** Every label removed: the input is back to its prompt and the clear-all button is gone. */
+export const NoLabels: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		const input = await findLabelInput(canvasElement);
+		await within(canvasElement).findByText('team: platform');
+		await removeLabel(canvasElement, 'team: platform');
+		await removeLabel(canvasElement, 'env: prod');
+		await within(canvasElement).findByPlaceholderText(
+			'Click here to enter a label (key value pairs)',
+		);
+		await expect(input.parentElement?.querySelector('button')).toBeNull();
+	},
+};
+
+/** The confirmation the clear-all button opens before it drops every label. */
+export const ClearLabelsConfirm: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		const input = await findLabelInput(canvasElement);
+		await within(canvasElement).findByText('team: platform');
+		const clearAll = input.parentElement?.querySelector('button');
+
+		if (!clearAll) {
+			throw new Error('Clear-all labels button did not render');
+		}
+
+		await userEvent.click(clearAll);
+		await screen.findByText(
+			'This action will remove all the labels. Do you want to proceed?',
+		);
+	},
+};

frontend/src/pages/InfrastructureMonitoring/stories/Pods.stories.tsx

@@ -1,4 +1,9 @@
 import type { Meta, StoryObj } from '@storybook/react-vite';
+import {
+	findSuggestion,
+	openKeySuggestions,
+	typeFilter,
+} from 'components/QueryBuilderV2/QueryV2/QuerySearch/stories/__story_mockdata__/querySearch.play';
 import { screen, userEvent, within } from 'storybook/test';
 import { VIEWS } from 'container/InfraMonitoringK8sV2/constants';
 
@@ -41,6 +46,43 @@ export const PodDetailsEvents: StoryObj<PodsArgs> = {
 	args: { drawer: true, drawerTab: VIEWS.EVENTS },
 };
 
+/** The selected pod's details drawer, switched to its logs tab. */
+export const DetailsDrawerLogsTab: StoryObj<PodsArgs> = {
+	args: { drawer: true },
+	play: async () => {
+		const drawer = within(
+			await screen.findByRole('dialog', {}, { timeout: 10000 }),
+		);
+
+		await userEvent.click(
+			await drawer.findByText('Logs', {}, { timeout: 10000 }),
+		);
+		await drawer.findAllByText(/handled request in/, {}, { timeout: 10000 });
+	},
+};
+
+/** The copy button beside the pod name in the drawer, which toasts the copy. */
+export const PodNameCopiedToast: StoryObj<PodsArgs> = {
+	args: { drawer: true },
+	play: async () => {
+		await userEvent.click(
+			await screen.findByTestId('copy-id-button', {}, { timeout: 10000 }),
+		);
+		await screen.findByText('Pod name copied to clipboard');
+	},
+};
+
+/** A metadata value's copy button in the drawer, which toasts the label it copied. */
+export const PodMetadataCopiedToast: StoryObj<PodsArgs> = {
+	args: { drawer: true },
+	play: async () => {
+		await userEvent.click(
+			await screen.findByTestId('copy-metadata-namespace', {}, { timeout: 10000 }),
+		);
+		await screen.findByText('NAMESPACE copied to clipboard');
+	},
+};
+
 /**
  * Every tooltip the pod list carries, held open: Collapse Filters beside the
  * quick filters, Options above the table, the Pod Name, Status, Age and Restarts
@@ -86,3 +128,27 @@ export const TooltipsInOptionsPanel: StoryObj<PodsArgs> = {
 		await screen.findByText('Columns');
 	},
 };
+
+/**
+ * The pod list re-renders the filter when the viewport grows, and each render
+ * reconfigures the editor, which closes its suggestions. Shot at the height
+ * the page opened at.
+ */
+const heldViewport = { sbshot: { viewport: { height: 1200 } } };
+
+/** The pod filter focused: the Kubernetes keys pods can be narrowed by. */
+export const FilterKeySuggestions: StoryObj<PodsArgs> = {
+	parameters: heldViewport,
+	play: async ({ canvasElement }): Promise<void> => {
+		await openKeySuggestions(canvasElement, 'k8s.node.name');
+	},
+};
+
+/** The pod filter on a namespace: the namespaces the pods run in. */
+export const FilterValueSuggestions: StoryObj<PodsArgs> = {
+	parameters: heldViewport,
+	play: async ({ canvasElement }): Promise<void> => {
+		await typeFilter(canvasElement, 'k8s.namespace.name = ');
+		await findSuggestion(canvasElement, 'kube-system');
+	},
+};

frontend/src/pages/IntegrationsDetailsPage/CloudIntegration/stories/CloudIntegration.stories.mocks.tsx

@@ -5,6 +5,7 @@
 
 import { rest } from 'msw';
 import type { CloudintegrationtypesUpdatableServiceDTO } from 'api/generated/services/sigNoz.schemas';
+import { expect, screen, userEvent, waitFor, within } from 'storybook/test';
 
 import { choiceControl, countControl } from '@/storybook/controls/controls';
 import { defineStoryMocks } from '@/storybook/controls/defineStoryMocks';
@@ -17,6 +18,8 @@ import {
 	CLOUD_PROVIDERS,
 	CLOUD_SERVICE_CAP,
 	type CloudProvider,
+	MUTATION_STATES,
+	type MutationState,
 	createdAccountResponse,
 	BUILT_IN_INTEGRATION_NOT_FOUND,
 	credentialsResponse,
@@ -33,7 +36,30 @@ import {
 const builtInIntegrationNotFound: MockResolver = (_req, res, ctx) =>
 	res(ctx.status(404), ctx.json(BUILT_IN_INTEGRATION_NOT_FOUND));
 
+/**
+ * Answers a mutation by the control's state: never, with a failure, or with the
+ * success body the caller builds.
+ */
+const mutationResolver =
+	(state: MutationState, ok: MockResolver): MockResolver =>
+	(req, res, ctx, ...rest) => {
+		if (state === 'loading') {
+			return res(ctx.delay('infinite'));
+		}
+
+		return state === 'error'
+			? res(
+					ctx.status(500),
+					ctx.json({
+						status: 'error',
+						error: { code: 'internal', message: 'Request failed' },
+					}),
+				)
+			: ok(req, res, ctx, ...rest);
+	};
+
 const PROVIDER = 'Cloud integration · provider';
+const MUTATIONS = 'Cloud integration · mutations';
 const SERVICES = 'Cloud integration · services';
 
 export const cloudIntegrationMocks = defineStoryMocks({
@@ -66,6 +92,27 @@ export const cloudIntegrationMocks = defineStoryMocks({
 			value: 3,
 			max: CLOUD_SERVICE_CAP,
 		}),
+		accountCreate: choiceControl<MutationState>('Account connection', {
+			group: MUTATIONS,
+			description:
+				'How the POST behind the connect flow answers. AWS and Azure raise "Failed to create account connection" on `error` and the "account connected" toast on `success`, GCP raises its toast after the agent check-in and shows `error` inline. `loading` never answers.',
+			options: MUTATION_STATES,
+			value: 'success',
+		}),
+		accountUpdate: choiceControl<MutationState>('Account settings update', {
+			group: MUTATIONS,
+			description:
+				'How the PUT behind Update Changes in the account settings drawer answers. `success` raises "Account settings updated successfully", `error` raises "Failed to update account settings".',
+			options: MUTATION_STATES,
+			value: 'success',
+		}),
+		serviceUpdate: choiceControl<MutationState>('Service config update', {
+			group: MUTATIONS,
+			description:
+				'How the PUT behind Save on a service answers. `error` raises "Failed to update service config", `loading` leaves Save spinning.',
+			options: MUTATION_STATES,
+			value: 'success',
+		}),
 	},
 	handlers: (values, response) => [
 		rest.get(
@@ -75,12 +122,12 @@ export const cloudIntegrationMocks = defineStoryMocks({
 
 		rest.put(
 			'http://localhost/api/v1/cloud_integrations/:cloudProvider/accounts/:id/services/:serviceId',
-			response.json(async (req) => {
+			mutationResolver(values.serviceUpdate, async (req, res, ctx) => {
 				const body = (await req.json()) as CloudintegrationtypesUpdatableServiceDTO;
 
 				setServiceSignals(String(req.params.serviceId), body.config ?? {});
 
-				return { status: 'success', data: null };
+				return res(ctx.status(200), ctx.json({ status: 'success', data: null }));
 			}),
 		),
 
@@ -117,15 +164,26 @@ export const cloudIntegrationMocks = defineStoryMocks({
 			response.json(() => credentialsResponse()),
 		),
 
+		rest.post(
+			'http://localhost/api/v1/cloud_integrations/:cloudProvider/accounts/check_in',
+			(_req, res, ctx) =>
+				res(ctx.status(200), ctx.json({ status: 'success', data: null })),
+		),
+
 		rest.post(
 			'http://localhost/api/v1/cloud_integrations/:cloudProvider/accounts',
-			response.json(() => createdAccountResponse(values.provider)),
+			mutationResolver(values.accountCreate, (_req, res, ctx) =>
+				res(ctx.status(201), ctx.json(createdAccountResponse(values.provider))),
+			),
 		),
 
 		rest.put(
 			'http://localhost/api/v1/cloud_integrations/:cloudProvider/accounts/:id',
-			response.json((req) =>
-				accountResponse(values.provider, String(req.params.id)),
+			mutationResolver(values.accountUpdate, (req, res, ctx) =>
+				res(
+					ctx.status(200),
+					ctx.json(accountResponse(values.provider, String(req.params.id))),
+				),
 			),
 		),
 
@@ -148,3 +206,123 @@ export const cloudIntegrationMocks = defineStoryMocks({
 		seedServiceSignals(values.provider, values.services, values.enabledServices);
 	},
 });
+
+/** The page picks its first service before it can render it. */
+export const untilLoaded = { timeout: 20_000 };
+
+export const expectToast = async (text: RegExp): Promise<void> => {
+	await waitFor(() => expect(screen.getByText(text)).toBeVisible(), {
+		timeout: 10_000,
+	});
+};
+
+export const openConnectFlow = async (
+	canvasElement: HTMLElement,
+): Promise<void> => {
+	await userEvent.click(
+		await within(canvasElement).findByText(
+			/integrate now/i,
+			undefined,
+			untilLoaded,
+		),
+	);
+};
+
+export const connectAwsAccount = async (
+	canvasElement: HTMLElement,
+): Promise<void> => {
+	await openConnectFlow(canvasElement);
+	await userEvent.click(
+		await screen.findByRole('combobox', undefined, untilLoaded),
+	);
+	await userEvent.click(await screen.findByText('US East (N. Virginia)'));
+	await userEvent.click(
+		await screen.findByRole('checkbox', { name: /us-east-1/i }),
+	);
+	await userEvent.click(
+		await screen.findByRole('button', { name: /launch cloud formation/i }),
+	);
+};
+
+export const connectAzureAccount = async (
+	canvasElement: HTMLElement,
+): Promise<void> => {
+	await openConnectFlow(canvasElement);
+	const [region, resourceGroups] = await screen.findAllByRole(
+		'combobox',
+		undefined,
+		untilLoaded,
+	);
+
+	await userEvent.click(region);
+	await userEvent.click(
+		await screen.findByText('Australia East (australiaeast)'),
+	);
+	await userEvent.type(resourceGroups, 'prod-platform-rg{Enter}');
+	await userEvent.click(
+		await screen.findByRole('button', { name: /generate azure setup commands/i }),
+	);
+};
+
+export const connectGcpAccount = async (
+	canvasElement: HTMLElement,
+): Promise<void> => {
+	await openConnectFlow(canvasElement);
+	await userEvent.type(
+		await screen.findByTestId('gcp-account-name-input', undefined, untilLoaded),
+		'acme-org',
+	);
+	await userEvent.type(
+		screen.getByTestId('gcp-deployment-project-id-input'),
+		'acme-deploy-123',
+	);
+	await userEvent.click(screen.getByTestId('gcp-deployment-region-select'));
+	await userEvent.click(await screen.findByText('Mumbai (asia-south1)'));
+	await userEvent.type(
+		document.querySelector<HTMLElement>('#gcp-project-ids-select') as HTMLElement,
+		'project-a,',
+	);
+	await userEvent.click(screen.getByTestId('gcp-connect-account-btn'));
+};
+
+const openEditAccount = async (canvasElement: HTMLElement): Promise<void> => {
+	await userEvent.click(
+		await within(canvasElement).findByText(
+			/edit account/i,
+			undefined,
+			untilLoaded,
+		),
+	);
+	await screen.findByRole('dialog', undefined, untilLoaded);
+};
+
+export const updateAwsAccount = async (
+	canvasElement: HTMLElement,
+): Promise<void> => {
+	await openEditAccount(canvasElement);
+	await userEvent.click(
+		await screen.findByRole('checkbox', { name: /us-east-2/i }),
+	);
+	await userEvent.click(
+		await screen.findByRole('button', { name: /update changes/i }),
+	);
+};
+
+export const updateTaggedAccount = async (
+	canvasElement: HTMLElement,
+	tag: string,
+): Promise<void> => {
+	await openEditAccount(canvasElement);
+	const dialog = await screen.findByRole('dialog');
+
+	await userEvent.type(await within(dialog).findByRole('combobox'), tag);
+	const option = await screen.findByText(tag, {
+		selector: '.ant-select-item-option-content',
+	});
+
+	// The drawer disables pointer events outside itself, which the portalled popup is.
+	await userEvent.click(option, { pointerEventsCheck: 0 });
+	await userEvent.click(
+		await screen.findByRole('button', { name: /update changes/i }),
+	);
+};

frontend/src/pages/IntegrationsDetailsPage/CloudIntegration/stories/CloudIntegration.stories.tsx

@@ -6,7 +6,17 @@ import ROUTES from 'constants/routes';
 import { storyMocks } from '@/storybook/controls/defineStoryMocks';
 import type { PageStoryArgs } from '@/storybook/runtime/resolveStory';
 
-import { cloudIntegrationMocks } from './CloudIntegration.stories.mocks';
+import {
+	cloudIntegrationMocks,
+	connectAwsAccount,
+	connectAzureAccount,
+	connectGcpAccount,
+	expectToast,
+	openConnectFlow,
+	untilLoaded,
+	updateAwsAccount,
+	updateTaggedAccount,
+} from './CloudIntegration.stories.mocks';
 
 import IntegrationsDetailsPage from '../../index';
 
@@ -42,9 +52,6 @@ export default meta;
 
 type Story = StoryObj<CloudIntegrationArgs>;
 
-/** The page picks its first service before it can render it. */
-const untilLoaded = { timeout: 20_000 };
-
 /**
  * An AWS account SigNoz collects from: the services it can watch split by
  * whether a signal is switched on, and the first enabled one open on its
@@ -164,3 +171,193 @@ export const TooltipsInDataCollected: Story = {
 		);
 	},
 };
+
+/**
+ * Connecting an AWS account: region and monitored regions picked, the template
+ * launched, and the first poll finds the account connected. Set Account
+ * connection to `error` for the failure toast.
+ */
+export const AwsAccountConnectedToast: Story = {
+	args: { accounts: 0 },
+	play: async ({ canvasElement, args }): Promise<void> => {
+		await connectAwsAccount(canvasElement);
+		if (args.accountCreate === 'success') {
+			await expectToast(/aws account connected successfully/i);
+		}
+	},
+};
+
+/** The AWS connect flow when the account cannot be created. */
+export const AwsAccountConnectionErrorToast: Story = {
+	args: { accounts: 0, accountCreate: 'error' },
+	play: async ({ canvasElement, args }): Promise<void> => {
+		await connectAwsAccount(canvasElement);
+		if (args.accountCreate === 'error') {
+			await expectToast(/failed to create account connection/i);
+		}
+	},
+};
+
+/** Connecting an Azure subscription through the generated setup commands. */
+export const AzureAccountConnectedToast: Story = {
+	args: { provider: 'azure', accounts: 0 },
+	play: async ({ canvasElement, args }): Promise<void> => {
+		await connectAzureAccount(canvasElement);
+		if (args.accountCreate === 'success') {
+			await expectToast(/azure account connected successfully/i);
+		}
+	},
+};
+
+/** The Azure connect flow when the account cannot be created. */
+export const AzureAccountConnectionErrorToast: Story = {
+	args: { provider: 'azure', accounts: 0, accountCreate: 'error' },
+	play: async ({ canvasElement, args }): Promise<void> => {
+		await connectAzureAccount(canvasElement);
+		if (args.accountCreate === 'error') {
+			await expectToast(/failed to create account connection/i);
+		}
+	},
+};
+
+/**
+ * Connecting a GCP account manually: the account is created and the story's
+ * check-in stands in for the agent. A failure at either step shows inline in the
+ * drawer rather than as a toast.
+ */
+export const GcpAccountConnectedToast: Story = {
+	args: { provider: 'gcp', accounts: 0 },
+	play: async ({ canvasElement, args }): Promise<void> => {
+		await connectGcpAccount(canvasElement);
+		if (args.accountCreate === 'success') {
+			await expectToast(/gcp account connected successfully/i);
+		}
+	},
+};
+
+/** Interaction: the deployment region menu of the GCP setup drawer. */
+export const GcpRegionOpen: Story = {
+	args: { provider: 'gcp', accounts: 0 },
+	play: async ({ canvasElement }): Promise<void> => {
+		await openConnectFlow(canvasElement);
+		await userEvent.click(
+			await screen.findByTestId(
+				'gcp-deployment-region-select',
+				undefined,
+				untilLoaded,
+			),
+		);
+		await screen.findByRole('listbox');
+	},
+};
+
+/**
+ * Saving the regions of a connected AWS account. Set Account settings update
+ * to `error` for the failure toast.
+ */
+export const AwsAccountSettingsUpdatedToast: Story = {
+	play: async ({ canvasElement, args }): Promise<void> => {
+		await updateAwsAccount(canvasElement);
+		if (args.accountUpdate === 'success') {
+			await expectToast(/account settings updated successfully/i);
+		}
+	},
+};
+
+/** The AWS settings drawer when the update is rejected. */
+export const AwsAccountSettingsUpdateErrorToast: Story = {
+	args: { accountUpdate: 'error' },
+	play: async ({ canvasElement, args }): Promise<void> => {
+		await updateAwsAccount(canvasElement);
+		if (args.accountUpdate === 'error') {
+			await expectToast(/failed to update account settings/i);
+		}
+	},
+};
+
+/** Adding a resource group to a connected Azure subscription. */
+export const AzureAccountSettingsUpdatedToast: Story = {
+	args: { provider: 'azure' },
+	play: async ({ canvasElement, args }): Promise<void> => {
+		await updateTaggedAccount(canvasElement, 'extra-rg');
+		if (args.accountUpdate === 'success') {
+			await expectToast(/account settings updated successfully/i);
+		}
+	},
+};
+
+/** The Azure settings drawer when the update is rejected. */
+export const AzureAccountSettingsUpdateErrorToast: Story = {
+	args: { provider: 'azure', accountUpdate: 'error' },
+	play: async ({ canvasElement, args }): Promise<void> => {
+		await updateTaggedAccount(canvasElement, 'extra-rg');
+		if (args.accountUpdate === 'error') {
+			await expectToast(/failed to update account settings/i);
+		}
+	},
+};
+
+/** Adding a project to a connected GCP account. */
+export const GcpAccountSettingsUpdatedToast: Story = {
+	args: { provider: 'gcp' },
+	play: async ({ canvasElement, args }): Promise<void> => {
+		await updateTaggedAccount(canvasElement, 'extra-project');
+		if (args.accountUpdate === 'success') {
+			await expectToast(/account settings updated successfully/i);
+		}
+	},
+};
+
+/** The GCP settings drawer when the update is rejected. */
+export const GcpAccountSettingsUpdateErrorToast: Story = {
+	args: { provider: 'gcp', accountUpdate: 'error' },
+	play: async ({ canvasElement, args }): Promise<void> => {
+		await updateTaggedAccount(canvasElement, 'extra-project');
+		if (args.accountUpdate === 'error') {
+			await expectToast(/failed to update account settings/i);
+		}
+	},
+};
+
+/**
+ * Saving a service's collection switches. The page opens on the first enabled
+ * service; flipping a switch brings up Save, and Service config update picks
+ * how the PUT answers.
+ */
+export const ServiceConfigUpdateErrorToast: Story = {
+	args: { serviceUpdate: 'error' },
+	play: async ({ canvasElement, args }): Promise<void> => {
+		const [firstSwitch] = await within(canvasElement).findAllByRole(
+			'switch',
+			undefined,
+			untilLoaded,
+		);
+
+		await userEvent.click(firstSwitch);
+		await userEvent.click(
+			await within(canvasElement).findByRole('button', { name: /^save$/i }),
+		);
+		if (args.serviceUpdate === 'error') {
+			await expectToast(/failed to update service config/i);
+		}
+	},
+};
+
+/**
+ * Copying a backend-provided credential in the GCP connect drawer, which raises
+ * a toast naming the field.
+ */
+export const GcpCredentialCopiedToast: Story = {
+	args: { provider: 'gcp', accounts: 0 },
+	play: async ({ canvasElement }): Promise<void> => {
+		await openConnectFlow(canvasElement);
+		await userEvent.click(
+			await screen.findByRole(
+				'button',
+				{ name: /copy ingestion key/i },
+				untilLoaded,
+			),
+		);
+		await expectToast(/ingestion key copied to clipboard/i);
+	},
+};

frontend/src/pages/IntegrationsDetailsPage/CloudIntegration/stories/__story_mockdata__/cloudIntegration.ts

@@ -20,6 +20,9 @@ import { monogramIcon } from '@/pages/IntegrationsModulePage/stories/__story_moc
 export const CLOUD_PROVIDERS = ['aws', 'azure', 'gcp'] as const;
 export type CloudProvider = (typeof CLOUD_PROVIDERS)[number];
 
+export const MUTATION_STATES = ['success', 'loading', 'error'] as const;
+export type MutationState = (typeof MUTATION_STATES)[number];
+
 interface CloudServiceSeed {
 	id: string;
 	title: string;
@@ -321,10 +324,8 @@ export const accountResponse = (
 	provider: CloudProvider,
 	id: string,
 ): GetAccount200 => {
-	const index = Math.max(
-		0,
-		Number.parseInt(id.replace(`${provider}-account-`, ''), 10) - 1,
-	);
+	const parsed = Number.parseInt(id.replace(`${provider}-account-`, ''), 10);
+	const index = Number.isNaN(parsed) ? 0 : Math.max(0, parsed - 1);
 
 	return { status: 'success', data: account(provider, index) };
 };
@@ -552,6 +553,12 @@ export const createdAccountResponse = (
 			aws: {
 				connectionUrl: `https://console.aws.amazon.com/cloudformation/home#/stacks/create?templateURL=https://signoz.io/${provider}.yaml`,
 			},
+			azure: {
+				cliCommand:
+					'az deployment sub create --template-uri https://signoz.io/azure.json',
+				cloudPowerShellCommand:
+					'New-AzSubscriptionDeployment -TemplateUri https://signoz.io/azure.json',
+			},
 		},
 	},
 });

frontend/src/pages/IntegrationsModulePage/stories/IntegrationsModulePage.stories.mocks.tsx

@@ -12,10 +12,13 @@ import {
 	allIntegrationsResponse,
 	INSTALLATION_MIXES,
 	INTEGRATION_CATALOGUE_SIZE,
+	REQUEST_SUBMISSIONS,
 	type InstallationMix,
+	type RequestSubmission,
 } from './__story_mockdata__/integrations';
 
 const LIST = 'Integrations · list';
+const REQUEST = 'Integrations · request';
 
 export const integrationsMocks = defineStoryMocks({
 	controls: {
@@ -33,6 +36,13 @@ export const integrationsMocks = defineStoryMocks({
 			options: INSTALLATION_MIXES,
 			value: 'mixed',
 		}),
+		requestSubmission: choiceControl<RequestSubmission>('Request submission', {
+			group: REQUEST,
+			description:
+				'How the event behind the Request Integration form answers. `success` raises the "Integration Request Submitted" toast, `loading` never answers and leaves the button spinning, `error` raises the failure toast.',
+			options: REQUEST_SUBMISSIONS,
+			value: 'success',
+		}),
 	},
 	handlers: (values, response) => [
 		rest.get(
@@ -41,5 +51,21 @@ export const integrationsMocks = defineStoryMocks({
 				allIntegrationsResponse(values.integrations, values.installation),
 			),
 		),
+
+		rest.post('http://localhost/api/v1/event', (_req, res, ctx) => {
+			if (values.requestSubmission === 'loading') {
+				return res(ctx.delay('infinite'));
+			}
+
+			return values.requestSubmission === 'error'
+				? res(
+						ctx.status(500),
+						ctx.json({ status: 'error', error: 'Event rejected' }),
+					)
+				: res(
+						ctx.status(200),
+						ctx.json({ status: 'success', data: 'Event Processed Successfully' }),
+					);
+		}),
 	],
 });

frontend/src/pages/IntegrationsModulePage/stories/IntegrationsModulePage.stories.tsx

@@ -1,5 +1,5 @@
 import type { Meta, StoryObj } from '@storybook/react-vite';
-import { screen, userEvent, within } from 'storybook/test';
+import { expect, screen, userEvent, waitFor, within } from 'storybook/test';
 import ROUTES from 'constants/routes';
 
 import { storyMocks } from '@/storybook/controls/defineStoryMocks';
@@ -85,3 +85,30 @@ export const RequestIntegration: Story = {
 		);
 	},
 };
+
+/**
+ * Submitting the request form raises "Integration Request Submitted" when the
+ * event is accepted. Set Request submission to `error` for the failure toast, or
+ * `loading` to keep the submit button spinning.
+ */
+export const RequestIntegrationToast: Story = {
+	play: async ({ canvasElement, args }): Promise<void> => {
+		await userEvent.click(
+			await within(canvasElement).findByText(
+				/request integration/i,
+				undefined,
+				untilLoaded,
+			),
+		);
+		await userEvent.type(
+			await screen.findByPlaceholderText(/enter integration name/i),
+			'Kafka',
+		);
+		await userEvent.click(await screen.findByRole('button', { name: /submit/i }));
+		if (args.requestSubmission === 'success') {
+			await waitFor(() =>
+				expect(screen.getByText(/integration request submitted/i)).toBeVisible(),
+			);
+		}
+	},
+};

frontend/src/pages/IntegrationsModulePage/stories/__story_mockdata__/integrations.ts

@@ -11,6 +11,9 @@ import type {
 export const INSTALLATION_MIXES = ['mixed', 'all', 'none'] as const;
 export type InstallationMix = (typeof INSTALLATION_MIXES)[number];
 
+export const REQUEST_SUBMISSIONS = ['success', 'loading', 'error'] as const;
+export type RequestSubmission = (typeof REQUEST_SUBMISSIONS)[number];
+
 /**
  * The backend base64-encodes each integration's `icon.svg` into a data URI
  * (`readFileIfUri` in `pkg/query-service/app/integrations/builtin.go`), so the

frontend/src/pages/LLMObservability/AttributeMapping/stories/AttributeMapping.stories.mocks.tsx

@@ -6,16 +6,21 @@
 import ROUTES from 'constants/routes';
 import { rest } from 'msw';
 
-import { countControl } from '@/storybook/controls/controls';
+import { choiceControl, countControl } from '@/storybook/controls/controls';
 import { defineStoryMocks } from '@/storybook/controls/defineStoryMocks';
 
 import {
+	GROUP_SAVES,
+	type GroupSave,
 	MAPPING_GROUP_MAX,
 	spanMapperGroupsResponse,
 	wideConditionGroupsResponse,
 } from './__story_mockdata__/attributeMapping';
 
 const GROUPS = 'Attribute mapping · groups';
+const SAVE = 'Attribute mapping · save';
+
+let groupsSaved = false;
 
 export const wideConditionGroup = rest.get(
 	'http://localhost/api/v1/span_mapper_groups',
@@ -32,12 +37,44 @@ export const attributeMappingMocks = defineStoryMocks({
 			value: 3,
 			max: MAPPING_GROUP_MAX,
 		}),
+		groupsSave: choiceControl<GroupSave>('Save changes', {
+			group: SAVE,
+			description:
+				'How the PATCH behind "Save changes" answers. `success` raises the saved toast, `loading` never answers, `error` raises the failure toast, `refreshFailed` saves but fails the list refetch that follows, which raises the warning toast.',
+			options: GROUP_SAVES,
+			value: 'success',
+		}),
+	},
+	handlers: (values) => {
+		groupsSaved = false;
+
+		return [
+			rest.patch(
+				'http://localhost/api/v1/span_mapper_groups/:groupId',
+				(_req, res, ctx) => {
+					if (values.groupsSave === 'loading') {
+						return res(ctx.delay('infinite'));
+					}
+					if (values.groupsSave === 'error') {
+						return res(
+							ctx.status(500),
+							ctx.json({
+								status: 'error',
+								error: { code: 'internal', message: 'Could not update the group' },
+							}),
+						);
+					}
+					groupsSaved = true;
+
+					return res(ctx.status(204));
+				},
+			),
+			rest.get('http://localhost/api/v1/span_mapper_groups', (_req, res, ctx) =>
+				values.groupsSave === 'refreshFailed' && groupsSaved
+					? res(ctx.status(500), ctx.json({ status: 'error' }))
+					: res(ctx.status(200), ctx.json(spanMapperGroupsResponse(values.groups))),
+			),
+		];
 	},
-	handlers: (values, response) => [
-		rest.get(
-			'http://localhost/api/v1/span_mapper_groups',
-			response.json(() => spanMapperGroupsResponse(values.groups)),
-		),
-	],
 	config: () => ({ route: ROUTES.AI_OBSERVABILITY_ATTRIBUTE_MAPPING }),
 });

frontend/src/pages/LLMObservability/AttributeMapping/stories/AttributeMapping.stories.tsx

@@ -1,5 +1,5 @@
 import type { Meta, StoryObj } from '@storybook/react-vite';
-import { screen, userEvent, within } from 'storybook/test';
+import { expect, screen, userEvent, waitFor, within } from 'storybook/test';
 
 import { storyMocks } from '@/storybook/controls/defineStoryMocks';
 import type { PageStoryArgs } from '@/storybook/runtime/resolveStory';
@@ -69,3 +69,35 @@ export const GroupActionsMenu: Story = {
 		await screen.findByRole('menu');
 	},
 };
+
+/** The first mapping group's edit drawer, opened from its menu. */
+export const GroupFormDrawer: Story = {
+	play: async (context): Promise<void> => {
+		await GroupActionsMenu.play?.(context);
+		await userEvent.click(await screen.findByText('Edit'));
+		await screen.findByText('Edit group');
+	},
+};
+
+/**
+ * A group toggled off and saved: the toast announcing the saved changes, raised
+ * once the PATCH and the list refetch answer. Set Save changes to `error`,
+ * `refreshFailed` or `loading` for the other outcomes.
+ */
+export const ChangesSavedToast: Story = {
+	play: async ({ canvasElement, args }): Promise<void> => {
+		const [toggle] = await within(canvasElement).findAllByTestId(
+			/^group-enabled-/,
+			{},
+			{ timeout: 10000 },
+		);
+
+		await userEvent.click(toggle);
+		await userEvent.click(await screen.findByTestId('save-changes-btn'));
+		if (args.groupsSave === 'success') {
+			await waitFor(() =>
+				expect(screen.getByText(/attribute mapping changes saved/i)).toBeVisible(),
+			);
+		}
+	},
+};

frontend/src/pages/LLMObservability/AttributeMapping/stories/__story_mockdata__/attributeMapping.ts

@@ -110,3 +110,12 @@ export const wideConditionGroupsResponse = (): ListSpanMapperGroups200 => {
 		},
 	};
 };
+
+export const GROUP_SAVES = [
+	'success',
+	'loading',
+	'error',
+	'refreshFailed',
+] as const;
+
+export type GroupSave = (typeof GROUP_SAVES)[number];

frontend/src/pages/LLMObservability/ModelPricing/stories/ModelPricing.stories.mocks.tsx

@@ -6,17 +6,22 @@
 import ROUTES from 'constants/routes';
 import { rest } from 'msw';
 
-import { countControl } from '@/storybook/controls/controls';
+import { choiceControl, countControl } from '@/storybook/controls/controls';
 import { defineStoryMocks } from '@/storybook/controls/defineStoryMocks';
 
 import {
 	PRICING_RULE_MAX,
 	pricingRulesResponse,
+	RULE_DELETES,
+	RULE_SAVES,
+	type RuleDelete,
+	type RuleSave,
 	UNPRICED_MODEL_MAX,
 	unmappedModelsResponse,
 } from './__story_mockdata__/modelPricing';
 
 const RULES = 'Model pricing · rules';
+const WRITES = 'Model pricing · writes';
 
 export const modelPricingMocks = defineStoryMocks({
 	controls: {
@@ -34,8 +39,58 @@ export const modelPricingMocks = defineStoryMocks({
 			value: 3,
 			max: UNPRICED_MODEL_MAX,
 		}),
+		ruleSave: choiceControl<RuleSave>('Rule save', {
+			group: WRITES,
+			description:
+				'How the PUT behind the cost drawer\'s Save and the unpriced tab\'s "Map model" answers. `success` raises the saved or "Mapped model" toast, `loading` never answers, `error` shows the failure in the drawer or raises the error toast.',
+			options: RULE_SAVES,
+			value: 'success',
+		}),
+		ruleDelete: choiceControl<RuleDelete>('Rule delete', {
+			group: WRITES,
+			description:
+				"How the DELETE behind the row menu's Delete answers. `success` raises the deleted toast, `loading` never answers, `error` raises the error toast.",
+			options: RULE_DELETES,
+			value: 'success',
+		}),
 	},
 	handlers: (values, response) => [
+		rest.put('http://localhost/api/v1/llm_pricing_rules', (_req, res, ctx) => {
+			if (values.ruleSave === 'loading') {
+				return res(ctx.delay('infinite'));
+			}
+
+			return values.ruleSave === 'error'
+				? res(
+						ctx.status(500),
+						ctx.json({
+							status: 'error',
+							error: { code: 'internal', message: 'Could not save the pricing rule' },
+						}),
+					)
+				: res(ctx.status(204));
+		}),
+		rest.delete(
+			'http://localhost/api/v1/llm_pricing_rules/:id',
+			(_req, res, ctx) => {
+				if (values.ruleDelete === 'loading') {
+					return res(ctx.delay('infinite'));
+				}
+
+				return values.ruleDelete === 'error'
+					? res(
+							ctx.status(500),
+							ctx.json({
+								status: 'error',
+								error: {
+									code: 'internal',
+									message: 'Could not delete the pricing rule',
+								},
+							}),
+						)
+					: res(ctx.status(204));
+			},
+		),
 		rest.get(
 			'http://localhost/api/v1/llm_pricing_rules/unmapped_models',
 			response.json(() => unmappedModelsResponse(values.unpricedModels)),

frontend/src/pages/LLMObservability/ModelPricing/stories/ModelPricing.stories.tsx

@@ -1,5 +1,5 @@
 import type { Meta, StoryObj } from '@storybook/react-vite';
-import { screen, userEvent, within } from 'storybook/test';
+import { expect, screen, userEvent, waitFor, within } from 'storybook/test';
 
 import { storyMocks } from '@/storybook/controls/defineStoryMocks';
 import type { PageStoryArgs } from '@/storybook/runtime/resolveStory';
@@ -54,3 +54,102 @@ export const ModelCostActionsMenu: Story = {
 		await screen.findByRole('menu');
 	},
 };
+
+/** The first pricing rule's drawer, opened from its row menu. */
+export const ModelCostDrawer: Story = {
+	play: async (context): Promise<void> => {
+		await ModelCostActionsMenu.play?.(context);
+		await userEvent.click(await screen.findByText('Edit'));
+		await screen.findByText('Edit model cost');
+	},
+};
+
+/** The drawer with its cache mode select open. */
+export const ModelCostDrawerCacheModeOpen: Story = {
+	play: async (context): Promise<void> => {
+		await ModelCostDrawer.play?.(context);
+
+		await userEvent.click(
+			await screen.findByRole('combobox', { name: 'Cache mode' }),
+		);
+		await screen.findByRole('listbox');
+	},
+};
+
+/**
+ * A pricing rule saved from its drawer: the toast announcing the update, raised
+ * once the PUT answers. Set Rule save to `error` or `loading` to see the drawer
+ * instead.
+ */
+export const ModelCostSavedToast: Story = {
+	play: async (context): Promise<void> => {
+		await ModelCostDrawer.play?.(context);
+		await userEvent.type(
+			await screen.findByTestId('drawer-pattern-input'),
+			'gpt-4o-2026{Enter}',
+		);
+		await userEvent.click(await screen.findByTestId('drawer-save-btn'));
+		if (context.args.ruleSave === 'success') {
+			await waitFor(() =>
+				expect(screen.getByText(/model cost .*updated/i)).toBeVisible(),
+			);
+		}
+	},
+};
+
+/**
+ * A pricing rule deleted from its row menu: the toast announcing it, raised once
+ * the DELETE answers. Set Rule delete to `error` for the failure toast.
+ */
+export const ModelCostDeletedToast: Story = {
+	play: async (context): Promise<void> => {
+		await ModelCostActionsMenu.play?.(context);
+		await userEvent.click(await screen.findByText('Delete'));
+		await userEvent.click(await screen.findByTestId('drawer-delete-confirm-btn'));
+		if (context.args.ruleDelete === 'success') {
+			await waitFor(() =>
+				expect(screen.getByText(/model cost .*deleted/i)).toBeVisible(),
+			);
+		}
+	},
+};
+
+/** Interaction: the billing model menu of an unpriced model, with its create footer. */
+export const UnpricedModelMapToOpen: Story = {
+	parameters: {
+		signoz: { route: '/ai-observability/configuration?tab=unpriced-models' },
+	},
+	play: async ({ canvasElement }): Promise<void> => {
+		const [trigger] = await within(canvasElement).findAllByTestId(
+			/^map-to-select-/,
+			{},
+			{ timeout: 10000 },
+		);
+		await userEvent.click(trigger);
+		await screen.findAllByTestId(/^map-to-option-/);
+	},
+};
+
+/**
+ * An unpriced model mapped onto an existing billing model: the "Mapped model"
+ * toast, or the failure toast when Rule save is `error`.
+ */
+export const UnpricedModelMappedToast: Story = {
+	parameters: {
+		signoz: { route: '/ai-observability/configuration?tab=unpriced-models' },
+	},
+	play: async ({ canvasElement, args }): Promise<void> => {
+		const [trigger] = await within(canvasElement).findAllByTestId(
+			/^map-to-select-/,
+			{},
+			{ timeout: 10000 },
+		);
+		await userEvent.click(trigger);
+		const [option] = await screen.findAllByTestId(/^map-to-option-/);
+		await userEvent.click(option);
+		await userEvent.click(await screen.findByTestId('unpriced-map-confirm-btn'));
+		if (args.ruleSave === 'success') {
+			await waitFor(() => expect(screen.getByText('Mapped model')).toBeVisible());
+		}
+	},
+};

frontend/src/pages/LLMObservability/ModelPricing/stories/__story_mockdata__/modelPricing.ts

@@ -113,3 +113,11 @@ export const unmappedModelsResponse = (
 	status: 'success',
 	data: { items: UNPRICED.slice(0, count) },
 });
+
+export const RULE_SAVES = ['success', 'loading', 'error'] as const;
+
+export type RuleSave = (typeof RULE_SAVES)[number];
+
+export const RULE_DELETES = ['success', 'loading', 'error'] as const;
+
+export type RuleDelete = (typeof RULE_DELETES)[number];

frontend/src/pages/LogsModulePage/LiveLogs/stories/LiveLogs.stories.tsx

@@ -1,5 +1,5 @@
 import type { Meta, StoryObj } from '@storybook/react-vite';
-import { userEvent, waitFor, within } from 'storybook/test';
+import { expect, screen, userEvent, waitFor, within } from 'storybook/test';
 
 import { storyMocks } from '@/storybook/controls/defineStoryMocks';
 import type { PageStoryArgs } from '@/storybook/runtime/resolveStory';
@@ -84,3 +84,33 @@ export const Default: Story = {};
 export const Waiting: Story = {
 	args: { liveLogs: 0 },
 };
+
+/** Row actions render on hover, so a streamed line is hovered before its copy link is pressed. */
+export const LogLinkCopiedToast: Story = {
+	play: async ({ mount, canvasElement }): Promise<void> => {
+		await mount();
+		await goLive(canvasElement);
+
+		const [line] = await within(canvasElement).findAllByText(
+			/order 8412 placed/,
+			undefined,
+			untilLoaded,
+		);
+
+		await userEvent.hover(line);
+		await userEvent.click(
+			await waitFor(() => {
+				const button = canvasElement.querySelector<HTMLElement>('.copy-log-btn');
+
+				if (!button) {
+					throw new Error('Row actions did not render');
+				}
+
+				return button;
+			}, untilLoaded),
+		);
+		await waitFor(() =>
+			expect(screen.getByText('Copied to clipboard')).toBeVisible(),
+		);
+	},
+};

frontend/src/pages/LogsModulePage/stories/LogsModulePage.stories.mocks.tsx

@@ -25,6 +25,11 @@ import {
 	toggleControl,
 } from '@/storybook/controls/controls';
 import { defineStoryMocks } from '@/storybook/controls/defineStoryMocks';
+import {
+	RESPONSE_STATES,
+	type ResponseState,
+	respondWith,
+} from '@/storybook/runtime/responseState';
 
 import {
 	logsSavedViewsResponse,
@@ -44,6 +49,8 @@ import {
 	logRowsResponse,
 	QUICK_FILTER_MAX,
 	logsQuickFiltersResponse,
+	RECENT_FILTER_MAX,
+	recentFiltersStorage,
 	RELATIVE_TIME,
 	timeRangeState,
 } from './__story_mockdata__/logs';
@@ -158,6 +165,20 @@ export const logsMocks = defineStoryMocks({
 			value: QUICK_FILTER_MAX,
 			max: QUICK_FILTER_MAX,
 		}),
+		filterValues: choiceControl<ResponseState>('Filter values', {
+			group: FILTERS,
+			description:
+				'How `/fields/values` answers once a key and an operator are typed in the filter, apart from the page-wide Data control.',
+			options: RESPONSE_STATES,
+			value: 'loaded',
+		}),
+		recentFilters: countControl('Recent filters', {
+			group: FILTERS,
+			description:
+				'Filters run before in this browser, which the filter offers above its key suggestions.',
+			value: 0,
+			max: RECENT_FILTER_MAX,
+		}),
 		savedViews: countControl('Saved views', {
 			group: FILTERS,
 			description: 'The views the view picker above the query builder lists.',
@@ -217,7 +238,7 @@ export const logsMocks = defineStoryMocks({
 
 			rest.get(
 				'http://localhost/api/v1/fields/values',
-				response.json((req) =>
+				respondWith(values.filterValues, (req) =>
 					logFieldValuesResponse(
 						req.url.searchParams.get('name') ?? '',
 						req.url.searchParams.get('searchText') ?? '',
@@ -264,8 +285,16 @@ export const logsMocks = defineStoryMocks({
 				}
 			: {},
 	}),
-	effect: ({ frequencyChart, filtersPanel, format, maxLines, fontSize }) => {
+	effect: ({
+		frequencyChart,
+		filtersPanel,
+		format,
+		maxLines,
+		fontSize,
+		recentFilters,
+	}) => {
 		setLocalStorage(LOCALSTORAGE.SHOW_FREQUENCY_CHART, String(frequencyChart));
+		setLocalStorage(...recentFiltersStorage(recentFilters));
 		setLocalStorage(LOCALSTORAGE.SHOW_LOGS_QUICK_FILTERS, String(filtersPanel));
 
 		// The preferences loader reads localStorage ahead of the URL, so this is

frontend/src/pages/LogsModulePage/stories/LogsModulePage.stories.tsx

@@ -1,4 +1,12 @@
 import type { Meta, StoryObj } from '@storybook/react-vite';
+import {
+	blurFilter,
+	openKeySuggestions,
+	showFilterErrors,
+	typeFilter,
+	typeFilterWithCaretBack,
+	findSuggestion,
+} from 'components/QueryBuilderV2/QueryV2/QuerySearch/stories/__story_mockdata__/querySearch.play';
 import { expect, screen, userEvent, waitFor, within } from 'storybook/test';
 
 import { storyMocks } from '@/storybook/controls/defineStoryMocks';
@@ -209,3 +217,190 @@ export const Tooltips: Story = {
 		);
 	},
 };
+
+/** The filter focused before anything is typed: every key the logs carry. */
+export const FilterKeySuggestions: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await openKeySuggestions(canvasElement, 'severity_text');
+	},
+};
+
+/** A partial key, with the keys that still match and the typed part marked. */
+export const FilterPartialKey: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await typeFilter(canvasElement, 'serv');
+		await findSuggestion(canvasElement, 'service.name');
+	},
+};
+
+/** A string key followed by a space: the operators a string compares with. */
+export const FilterOperatorSuggestions: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await typeFilter(canvasElement, 'service.name ');
+		await findSuggestion(canvasElement, 'CONTAINS');
+	},
+};
+
+/** A number key puts the range comparisons first. */
+export const FilterNumberOperatorSuggestions: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await typeFilter(canvasElement, 'http.status_code ');
+		await findSuggestion(canvasElement, 'BETWEEN');
+	},
+};
+
+/** `NOT` after a key narrows the list to the operators it can negate. */
+export const FilterNegatedOperatorSuggestions: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await typeFilter(canvasElement, 'service.name NOT ');
+		await findSuggestion(canvasElement, 'IN');
+	},
+};
+
+/** A key and an operator: the values the key holds, fetched for it. */
+export const FilterValueSuggestions: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await typeFilter(canvasElement, 'service.name = ');
+		await findSuggestion(canvasElement, 'checkout');
+	},
+};
+
+/** Values still being fetched for the key. */
+export const FilterValuesLoading: Story = {
+	args: { filterValues: 'loading' },
+	play: async ({ canvasElement }): Promise<void> => {
+		await typeFilter(canvasElement, 'service.name = ');
+		await findSuggestion(canvasElement, 'Loading suggestions');
+	},
+};
+
+/** A key the backend holds no values for, such as the free-text body. */
+export const FilterNoValueSuggestions: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await typeFilter(canvasElement, 'body = ');
+		await findSuggestion(canvasElement, 'No suggestions available');
+	},
+};
+
+/** The values request failed. */
+export const FilterValuesError: Story = {
+	args: { filterValues: 'error' },
+	// The values request deliberately fails.
+	parameters: { allowConsoleErrors: true },
+	play: async ({ canvasElement }): Promise<void> => {
+		await typeFilter(canvasElement, 'service.name = ');
+		await findSuggestion(canvasElement, 'Error loading suggestions');
+	},
+};
+
+/** Inside an `IN` list, after the first value: the rest of the values. */
+export const FilterInList: Story = {
+	// The editor logs a TypeError while the list is open, which it survives.
+	parameters: { allowConsoleErrors: true },
+	play: async ({ canvasElement }): Promise<void> => {
+		await typeFilterWithCaretBack(
+			canvasElement,
+			"service.name IN ['auth', ]",
+			1,
+			'checkout',
+		);
+	},
+};
+
+/** A complete condition: the conjunctions that start the next one. */
+export const FilterConjunctionSuggestions: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await typeFilter(canvasElement, "service.name = 'checkout' ");
+		await findSuggestion(canvasElement, 'OR');
+	},
+};
+
+/** Inside an opened group: keys, another group and `NOT`. */
+export const FilterNestedGroup: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await typeFilterWithCaretBack(canvasElement, '()', 1, 'NOT');
+	},
+};
+
+/** A long valid expression mixing operators, left for the next run. */
+export const FilterComplete: Story = {
+	// The editor logs a TypeError while the `IN` list is typed, which it survives.
+	parameters: { allowConsoleErrors: true },
+	play: async ({ canvasElement }): Promise<void> => {
+		await typeFilter(
+			canvasElement,
+			"service.name IN ['checkout', 'payments'] AND severity_text = 'ERROR' AND http.status_code >= 500 AND body CONTAINS 'timeout'",
+		);
+		await blurFilter(canvasElement);
+	},
+};
+
+/** An incomplete expression after focus left: the marker and its errors. */
+export const FilterSyntaxError: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await showFilterErrors(canvasElement, 'service.name = ');
+	},
+};
+
+/** Filters run before, offered above the key suggestions. */
+export const FilterRecentSearches: Story = {
+	args: { recentFilters: 3 },
+	play: async ({ canvasElement }): Promise<void> => {
+		await openKeySuggestions(
+			canvasElement,
+			"k8s.namespace.name = 'observability'",
+		);
+	},
+};
+
+/** Row actions render on hover, so the first row is hovered before the copy link is pressed. */
+export const LogLinkCopiedToast: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		const [row] = await within(canvasElement).findAllByTestId(
+			/^logs-table-row-/,
+			undefined,
+			untilLoaded,
+		);
+		const [, timestamp] = within(row).getAllByRole('cell');
+
+		await userEvent.hover(timestamp);
+		await userEvent.click(
+			await waitFor(() => {
+				const button = canvasElement.querySelector<HTMLElement>('.copy-log-btn');
+
+				if (!button) {
+					throw new Error('Row actions did not render');
+				}
+
+				return button;
+			}, untilLoaded),
+		);
+		await waitFor(() =>
+			expect(screen.getByText('Copied to clipboard')).toBeVisible(),
+		);
+	},
+};
+
+/** "Copy log" in the log detail drawer's actions menu. */
+export const LogCopiedToast: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await openFirstLog(canvasElement);
+		await userEvent.click(await screen.findByTestId('log-details-header-menu'));
+		await userEvent.click(await screen.findByText('Copy log'));
+		await waitFor(() =>
+			expect(screen.getByText('Copied to clipboard')).toBeVisible(),
+		);
+	},
+};
+
+/** "Copy link to log" in the log detail drawer's actions menu. */
+export const LogDetailsLinkCopiedToast: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await openFirstLog(canvasElement);
+		await userEvent.click(await screen.findByTestId('log-details-header-menu'));
+		await userEvent.click(await screen.findByText('Copy link to log'));
+		await waitFor(() =>
+			expect(screen.getByText('Copied to clipboard')).toBeVisible(),
+		);
+	},
+};

frontend/src/pages/LogsModulePage/stories/__story_mockdata__/logs.ts

@@ -15,6 +15,9 @@ import {
 } from 'api/generated/services/sigNoz.schemas';
 import { defaultLogsSelectedColumns } from 'container/OptionsMenu/constants';
 import type { OptionsQuery } from 'container/OptionsMenu/types';
+import { STORAGE_VERSION } from 'lib/recentQueries/constants';
+import type { RecentQueriesStoreShape } from 'lib/recentQueries/types';
+import { makeId, storageKeyFor } from 'lib/recentQueries/utils';
 import type { Time } from 'container/TopNav/DateTimeSelectionV2/types';
 import { quickFiltersListResponse } from 'mocks-server/__mockdata__/customQuickFilters';
 import type { AppState } from 'store/reducers';
@@ -470,3 +473,34 @@ const DASHBOARD_NAMES = [
 
 export const dashboardsResponse = (): ListDashboardsForUserV2200 =>
 	dashboardsForUserResponse(DASHBOARD_NAMES);
+
+const RECENT_FILTERS = [
+	"service.name = 'checkout' AND severity_text = 'ERROR'",
+	"k8s.namespace.name = 'observability'",
+	"body CONTAINS 'timeout'",
+	'http.status_code >= 500',
+	"deployment.environment IN ['production', 'staging']",
+];
+
+/** The filter lists this many recent entries at most. */
+export const RECENT_FILTER_MAX = RECENT_FILTERS.length;
+
+/**
+ * The explorer's recent filters as the store keeps them in localStorage,
+ * newest first, five minutes apart. Dated off `new Date()`, which the story
+ * clock freezes, so the "5 minutes ago" labels hold still.
+ */
+export const recentFiltersStorage = (count: number): [string, string] => {
+	const store: RecentQueriesStoreShape = {
+		version: STORAGE_VERSION,
+		entries: RECENT_FILTERS.slice(0, count).map((expression, index) => ({
+			id: makeId('logs', '', expression),
+			signal: 'logs',
+			source: '',
+			filter: { expression },
+			lastUsedAt: new Date().getTime() - (index + 1) * 5 * 60_000,
+		})),
+	};
+
+	return [storageKeyFor('logs', ''), JSON.stringify(store)];
+};

frontend/src/pages/MetricsExplorer/stories/MetricsExplorerPage.stories.mocks.tsx

@@ -22,6 +22,7 @@ import {
 import type { Time } from 'container/TopNav/DateTimeSelectionV2/types';
 import { rest } from 'msw';
 import type { AppState } from 'store/reducers';
+import { expect, screen, userEvent, waitFor, within } from 'storybook/test';
 import { defaultFeatureFlags } from 'tests/fixtures/appContextMock';
 import type { Query } from 'types/api/queryBuilder/queryBuilderData';
 import type { QueryRangeRequestV5, TimeSeries } from 'types/api/v5/queryRange';
@@ -331,6 +332,19 @@ export const metricsMocks = defineStoryMocks({
 			value: 4,
 			max: SERIES_SERVICES.length,
 		}),
+		metricUnit: choiceControl<'saved' | 'unset'>('Explorer metric unit', {
+			group: EXPLORER,
+			description:
+				'Whether the metadata carries a unit. Unset, the explorer offers to save the unit picked in the selector.',
+			options: ['saved', 'unset'],
+			value: 'saved',
+		}),
+		unitSave: choiceControl<'success' | 'error'>('Unit save', {
+			group: EXPLORER,
+			description: 'How the metadata write answers when the unit is saved.',
+			options: ['success', 'error'],
+			value: 'success',
+		}),
 		savedViews: countControl('Saved views', {
 			group: EXPLORER,
 			description: 'Fills the explorer views dropdown and the Views tab.',
@@ -385,16 +399,24 @@ export const metricsMocks = defineStoryMocks({
 
 		rest.get(
 			'http://localhost/api/v2/metrics/metadata',
-			response.json((req) =>
-				metricMetadataResponse(req.url.searchParams.get('metricName') ?? ''),
-			),
+			response.json((req) => {
+				const metadata = metricMetadataResponse(
+					req.url.searchParams.get('metricName') ?? '',
+				);
+
+				return values.metricUnit === 'unset'
+					? { ...metadata, data: { ...metadata.data, unit: '' } }
+					: metadata;
+			}),
 		),
 
 		// The drawer writes description, unit and type back. The metadata a story
 		// answers with comes from the catalogue, so the save succeeds and the
 		// refetch reads the metric as it was.
 		rest.post('http://localhost/api/v2/metrics/metadata', (_req, res, ctx) =>
-			res(ctx.status(200), ctx.json({ status: 'success', data: null })),
+			values.unitSave === 'error'
+				? res(ctx.status(500), ctx.json({ status: 'error', error: 'forced' }))
+				: res(ctx.status(200), ctx.json({ status: 'success', data: null })),
 		),
 
 		rest.get(
@@ -539,3 +561,26 @@ export const metricsMocks = defineStoryMocks({
 		);
 	},
 });
+
+export const saveUnit = async (
+	canvasElement: HTMLElement,
+	expected: string | false,
+): Promise<void> => {
+	const selector = await within(canvasElement).findByTestId(
+		'y-axis-unit-selector',
+		{},
+		{ timeout: 15000 },
+	);
+
+	await userEvent.click(within(selector).getByRole('combobox'));
+	await userEvent.keyboard('bytes');
+	const bytes = await screen.findByText('Bytes (B)');
+
+	await userEvent.click(
+		(bytes.closest('.ant-select-item-option') as HTMLElement | null) ?? bytes,
+	);
+	await userEvent.click(await screen.findByRole('button', { name: 'Yes' }));
+	if (expected) {
+		await waitFor(() => expect(screen.getByText(expected)).toBeVisible());
+	}
+};

frontend/src/pages/MetricsExplorer/stories/MetricsExplorerPage.stories.tsx

@@ -1,10 +1,15 @@
 import type { Meta, StoryObj } from '@storybook/react-vite';
+import {
+	findSuggestion,
+	openKeySuggestions,
+	typeFilter,
+} from 'components/QueryBuilderV2/QueryV2/QuerySearch/stories/__story_mockdata__/querySearch.play';
 import { screen, userEvent } from 'storybook/test';
 
 import { storyMocks } from '@/storybook/controls/defineStoryMocks';
 import type { PageStoryArgs } from '@/storybook/runtime/resolveStory';
 
-import { metricsMocks } from './MetricsExplorerPage.stories.mocks';
+import { metricsMocks, saveUnit } from './MetricsExplorerPage.stories.mocks';
 import MetricsExplorerPage from '../MetricsExplorerPage';
 
 type MetricsArgs = PageStoryArgs<typeof metricsMocks>;
@@ -114,3 +119,44 @@ export const MetricDetailsDashboardsMenu: Story = {
 		await screen.findByRole('menu');
 	},
 };
+
+/** The summary's metric search focused: the attributes metrics can be found by. */
+export const FilterKeySuggestions: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await openKeySuggestions(canvasElement, 'k8s.cluster.name');
+	},
+};
+
+/** The metric search on an attribute and an operator: the values it holds. */
+export const FilterValueSuggestions: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await typeFilter(canvasElement, 'service.name = ');
+		await findSuggestion(canvasElement, 'checkout');
+	},
+};
+
+/**
+ * "Set the selected unit as the metric unit?" answered Yes: the toast raised
+ * once the metadata write lands. Set Unit save to `error` for the failure.
+ */
+export const UnitSavedToast: Story = {
+	args: { tab: 'explorer', metricUnit: 'unset' },
+	play: async ({ canvasElement, args }): Promise<void> => {
+		await saveUnit(
+			canvasElement,
+			args.unitSave === 'success'
+				? 'Unit saved successfully'
+				: 'Failed to save unit',
+		);
+	},
+};
+
+/** The same save with the metadata write failing. */
+export const UnitSaveErrorToast: Story = {
+	args: { tab: 'explorer', metricUnit: 'unset', unitSave: 'error' },
+	// The deliberate 500 is the state under test.
+	parameters: { allowConsoleErrors: true },
+	play: async ({ canvasElement }): Promise<void> => {
+		await saveUnit(canvasElement, 'Failed to save unit');
+	},
+};

frontend/src/pages/OnboardingPageV2/stories/OnboardingPageV2.stories.mocks.tsx

@@ -13,6 +13,7 @@ import { choiceControl } from '@/storybook/controls/controls';
 import { defineStoryMocks } from '@/storybook/controls/defineStoryMocks';
 
 const SOURCE = 'Onboarding · source';
+const INVITES = 'Onboarding · invites';
 
 /**
  * `catalogue` is the picker itself; the rest are `getStartedSource` values,
@@ -45,6 +46,10 @@ export const SETUP_STEPS = [
 
 export type SetupStep = (typeof SETUP_STEPS)[number];
 
+export const INVITE_RESULTS = ['success', 'loading', 'error'] as const;
+
+export type InviteResult = (typeof INVITE_RESULTS)[number];
+
 export const onboardingV2Mocks = defineStoryMocks({
 	controls: {
 		source: choiceControl<Source>('Data source', {
@@ -61,8 +66,15 @@ export const onboardingV2Mocks = defineStoryMocks({
 			options: SETUP_STEPS,
 			value: 'select-data-source',
 		}),
+		invite: choiceControl<InviteResult>('Invite result', {
+			group: INVITES,
+			description:
+				'How the POST behind Send Invites in the header modal answers. `success` closes the modal and raises "Invites sent successfully", `loading` never answers, `error` keeps the modal open with the failure inline.',
+			options: INVITE_RESULTS,
+			value: 'success',
+		}),
 	},
-	handlers: (_values, response) => [
+	handlers: (values, response) => [
 		// The setup instructions quote the workspace's ingestion key, which is the
 		// same payload the ingestion settings tab reads.
 		rest.get(
@@ -74,6 +86,24 @@ export const onboardingV2Mocks = defineStoryMocks({
 			'http://localhost/api/v1/roles',
 			response.json(() => rolesListResponse(0)),
 		),
+		rest.post('http://localhost/api/v2/users', (_req, res, ctx) => {
+			if (values.invite === 'loading') {
+				return res(ctx.delay('infinite'));
+			}
+
+			return values.invite === 'error'
+				? res(
+						ctx.status(409),
+						ctx.json({
+							status: 'error',
+							error: { code: 'already_exists', message: 'User already exists' },
+						}),
+					)
+				: res(
+						ctx.status(201),
+						ctx.json({ status: 'success', data: { id: 'user-new' } }),
+					);
+		}),
 	],
 	config: (values) => {
 		const dataSource = DATA_SOURCE_ID[values.source];

frontend/src/pages/OnboardingPageV2/stories/OnboardingPageV2.stories.tsx

@@ -1,5 +1,5 @@
 import type { Meta, StoryObj } from '@storybook/react-vite';
-import { screen, userEvent, within } from 'storybook/test';
+import { expect, screen, userEvent, waitFor, within } from 'storybook/test';
 
 import { storyMocks } from '@/storybook/controls/defineStoryMocks';
 import type { PageStoryArgs } from '@/storybook/runtime/resolveStory';
@@ -167,3 +167,55 @@ export const NoSearchResults: Story = {
 		await canvas.findByText(/no results for ledger/i, undefined, untilRendered);
 	},
 };
+
+/**
+ * Inviting a teammate from the header: an email and a role, then Send Invites.
+ * The modal closes and "Invites sent successfully" is raised once the request
+ * is accepted; Invite result changes how it answers.
+ */
+export const InvitesSentToast: Story = {
+	play: async ({ mount, args, canvasElement }): Promise<void> => {
+		await mount();
+
+		await userEvent.click(
+			await within(canvasElement).findByRole(
+				'button',
+				{ name: /invite a teammate/i },
+				untilRendered,
+			),
+		);
+
+		const dialog = await screen.findByRole('dialog', undefined, untilRendered);
+		const [email] = await within(dialog).findAllByTestId(
+			/^invite-email-/,
+			undefined,
+			untilRendered,
+		);
+
+		await userEvent.type(email, 'jon@winterfell.dev');
+		const [roles] = await within(dialog).findAllByRole('combobox');
+
+		await userEvent.click(roles);
+		const viewers = await screen.findAllByText(
+			'viewer',
+			undefined,
+			untilRendered,
+		);
+
+		await userEvent.click(
+			viewers[viewers.length - 1].closest(
+				'.ant-select-item-option',
+			) as HTMLElement,
+		);
+		await userEvent.keyboard('{Escape}');
+		await userEvent.click(
+			await within(dialog).findByRole('button', { name: /send invites/i }),
+		);
+
+		if (args.invite === 'success') {
+			await waitFor(() =>
+				expect(screen.getByText(/invites sent successfully/i)).toBeVisible(),
+			);
+		}
+	},
+};

frontend/src/pages/OrgOnboarding/stories/OrgOnboarding.stories.mocks.tsx

@@ -26,6 +26,10 @@ export const QUESTIONNAIRE_PAGES = [
 
 export type QuestionnairePage = (typeof QUESTIONNAIRE_PAGES)[number];
 
+export const PROFILE_UPDATES = ['success', 'error'] as const;
+
+export type ProfileUpdate = (typeof PROFILE_UPDATES)[number];
+
 export const orgOnboardingMocks = defineStoryMocks({
 	controls: {
 		page: choiceControl<QuestionnairePage>('Questionnaire page', {
@@ -35,13 +39,28 @@ export const orgOnboardingMocks = defineStoryMocks({
 			options: QUESTIONNAIRE_PAGES,
 			value: 'about-your-org',
 		}),
+		profileUpdate: choiceControl<ProfileUpdate>('Profile save', {
+			group: QUESTIONNAIRE,
+			description:
+				'How the PUT behind the scale page answers. `error` raises the failure as a toast and lets the questionnaire carry on to the last page.',
+			options: PROFILE_UPDATES,
+			value: 'success',
+		}),
 	},
-	handlers: (_values, response) => [
+	handlers: (values, response) => [
 		// Answering the scale page saves the profile, and the last page only opens
 		// once that call settles: a plain resolver, so `Data` cannot strand the
 		// questionnaire two pages in.
 		rest.put('http://localhost/api/v2/zeus/profiles', (_req, res, ctx) =>
-			res(ctx.status(204)),
+			values.profileUpdate === 'error'
+				? res(
+						ctx.status(500),
+						ctx.json({
+							status: 'error',
+							error: { code: 'internal', message: 'Could not save the profile' },
+						}),
+					)
+				: res(ctx.status(204)),
 		),
 		rest.get(
 			'http://localhost/api/v1/roles',

frontend/src/pages/OrgOnboarding/stories/OrgOnboarding.stories.tsx

@@ -117,3 +117,13 @@ export const YourScale: Story = {
 export const InviteTeam: Story = {
 	args: { page: 'invite-team' },
 };
+
+/**
+ * Saving the answers fails on the scale page. The failure is a toast and the
+ * questionnaire still opens the last page.
+ */
+export const ProfileSaveErrorToast: Story = {
+	args: { page: 'invite-team', profileUpdate: 'error' },
+	// The deliberate 500 is the state under test.
+	parameters: { allowConsoleErrors: true },
+};

frontend/src/pages/Settings/Account/stories/Account.stories.mocks.tsx

@@ -9,6 +9,12 @@ import { rest } from 'msw';
 import { choiceControl } from '@/storybook/controls/controls';
 import { defineStoryMocks } from '@/storybook/controls/defineStoryMocks';
 
+import {
+	MUTATION_OUTCOMES,
+	type MutationOutcome,
+	mutationResolver,
+} from '../../stories/__story_mockdata__/mutationOutcome';
+
 import {
 	seedTimezone,
 	TIMEZONES,
@@ -17,6 +23,7 @@ import {
 } from './__story_mockdata__/account';
 
 const PREFERENCES = 'Account · preferences';
+const PROFILE = 'Account · profile';
 
 export const accountMocks = defineStoryMocks({
 	controls: {
@@ -27,16 +34,30 @@ export const accountMocks = defineStoryMocks({
 			options: TIMEZONES,
 			value: 'browser',
 		}),
+		nameUpdate: choiceControl<MutationOutcome>('Name update', {
+			group: PROFILE,
+			description:
+				'How the PATCH behind "Update name" answers. `success` raises the "Name updated" toast, `loading` never answers, `error` opens the error modal.',
+			options: MUTATION_OUTCOMES,
+			value: 'success',
+		}),
+		passwordUpdate: choiceControl<MutationOutcome>('Password update', {
+			group: PROFILE,
+			description:
+				'How the request behind "Reset password" answers. `success` raises the "Password updated" toast, `loading` never answers, `error` opens the error modal.',
+			options: MUTATION_OUTCOMES,
+			value: 'success',
+		}),
 	},
-	handlers: (_values, response) => [
-		rest.patch(
+	handlers: (values) => [
+		rest.put(
 			'http://localhost/api/v2/users/me',
-			response.json(() => updatedUserResponse()),
+			mutationResolver(values.nameUpdate, updatedUserResponse()),
 		),
 
-		rest.post(
+		rest.put(
 			'http://localhost/api/v2/users/me/factor_password',
-			response.json(() => updatedUserResponse()),
+			mutationResolver(values.passwordUpdate, updatedUserResponse()),
 		),
 	],
 	config: () => ({ route: ROUTES.MY_SETTINGS }),

frontend/src/pages/Settings/Account/stories/Account.stories.tsx

@@ -1,5 +1,5 @@
 import type { Meta, StoryObj } from '@storybook/react-vite';
-import { screen, userEvent, within } from 'storybook/test';
+import { expect, screen, userEvent, waitFor, within } from 'storybook/test';
 
 import { storyMocks } from '@/storybook/controls/defineStoryMocks';
 import type { PageStoryArgs } from '@/storybook/runtime/resolveStory';
@@ -77,3 +77,67 @@ export const ResetPassword: Story = {
 		await screen.findByText(/current password/i, undefined, untilLoaded);
 	},
 };
+
+/**
+ * A new name saved: the toast confirming it. Set Name update to `error` or
+ * `loading` to see the modal instead.
+ */
+export const NameUpdatedToast: Story = {
+	play: async ({ canvasElement, args }): Promise<void> => {
+		await userEvent.click(
+			await within(canvasElement).findByText(
+				/update name/i,
+				undefined,
+				untilLoaded,
+			),
+		);
+		const input = await screen.findByPlaceholderText(
+			/e\.g\. john doe/i,
+			undefined,
+			untilLoaded,
+		);
+
+		await userEvent.clear(input);
+		await userEvent.type(input, 'Jon Targaryen');
+		await userEvent.click(await screen.findByTestId('update-name-btn'));
+		if (args.nameUpdate === 'success') {
+			await waitFor(() =>
+				expect(screen.getByText(/name updated successfully/i)).toBeVisible(),
+			);
+		}
+	},
+};
+
+/**
+ * A new password saved: the toast confirming it. Set Password update to `error`
+ * or `loading` to see the modal instead.
+ */
+export const PasswordUpdatedToast: Story = {
+	play: async ({ canvasElement, args }): Promise<void> => {
+		await userEvent.click(
+			await within(canvasElement).findByText(
+				/reset password/i,
+				undefined,
+				untilLoaded,
+			),
+		);
+		await userEvent.type(
+			await screen.findByTestId(
+				'current-password-textbox',
+				undefined,
+				untilLoaded,
+			),
+			'old-password-1',
+		);
+		await userEvent.type(
+			await screen.findByTestId('new-password-textbox'),
+			'new-password-2',
+		);
+		await userEvent.click(await screen.findByTestId('reset-password-btn'));
+		if (args.passwordUpdate === 'success') {
+			await waitFor(() =>
+				expect(screen.getByText(/password updated successfully/i)).toBeVisible(),
+			);
+		}
+	},
+};

frontend/src/pages/Settings/Ingestion/stories/Ingestion.stories.mocks.tsx

@@ -5,7 +5,9 @@
 
 import { FeatureKeys } from 'constants/features';
 import ROUTES from 'constants/routes';
+import dayjs from 'dayjs';
 import { rest } from 'msw';
+import { screen, userEvent, within } from 'storybook/test';
 import { defaultFeatureFlags } from 'tests/fixtures/appContextMock';
 
 import {
@@ -15,10 +17,14 @@ import {
 	toggleControl,
 } from '@/storybook/controls/controls';
 import { defineStoryMocks } from '@/storybook/controls/defineStoryMocks';
+import type { MockResolver } from '@/storybook/msw/types';
 
 import {
+	CREATE_OUTCOMES,
+	type CreateOutcome,
 	EXPIRIES,
 	type Expiry,
+	ingestionKeyCreateError,
 	ingestionKeysResponse,
 	KEYS_PER_PAGE,
 	legacyIngestionResponse,
@@ -29,6 +35,11 @@ import {
 const KEYS = 'Ingestion · keys';
 const LIMITS = 'Ingestion · limits';
 
+const rejectCreate: MockResolver = (_req, res, ctx) =>
+	res(ctx.status(409), ctx.json(ingestionKeyCreateError()));
+
+const holdCreate: MockResolver = (_req, res, ctx) => res(ctx.delay('infinite'));
+
 export const ingestionMocks = defineStoryMocks({
 	controls: {
 		gateway: toggleControl('Gateway', {
@@ -50,6 +61,13 @@ export const ingestionMocks = defineStoryMocks({
 			options: EXPIRIES,
 			value: 'none',
 		}),
+		create: choiceControl<CreateOutcome>('Creating a key', {
+			group: KEYS,
+			description:
+				'What the create behind the new key form answers. `hangs` holds the submit button in its loading state.',
+			options: CREATE_OUTCOMES,
+			value: 'succeeds',
+		}),
 		limits: multiChoiceControl<LimitSignal>('Signals with a limit', {
 			group: LIMITS,
 			description:
@@ -85,10 +103,14 @@ export const ingestionMocks = defineStoryMocks({
 
 		rest.post(
 			'http://localhost/api/v2/gateway/ingestion_keys',
-			response.json(() => ({
-				status: 'success',
-				data: { id: 'ingestion-key-new', value: 'sk_new' },
-			})),
+			{
+				succeeds: response.json(() => ({
+					status: 'success',
+					data: { id: 'ingestion-key-new', value: 'sk_new' },
+				})),
+				fails: rejectCreate,
+				hangs: holdCreate,
+			}[values.create],
 		),
 
 		rest.patch(
@@ -130,3 +152,46 @@ export const ingestionMocks = defineStoryMocks({
 		},
 	}),
 });
+
+/** The list fetches before it renders a row, which outlasts the 1s default. */
+export const untilLoaded = { timeout: 15_000 };
+
+export async function openCreateKey(
+	canvasElement: HTMLElement,
+): Promise<ReturnType<typeof within>> {
+	await userEvent.click(
+		await within(canvasElement).findByText(
+			'New Ingestion key',
+			undefined,
+			untilLoaded,
+		),
+	);
+	return within(
+		await screen.findByRole(
+			'dialog',
+			{ name: 'Create new ingestion key' },
+			untilLoaded,
+		),
+	);
+}
+
+export async function addTag(
+	dialog: ReturnType<typeof within>,
+	tag: string,
+): Promise<void> {
+	await userEvent.click(await dialog.findByRole('button', { name: /New Tag/ }));
+	await userEvent.keyboard(`${tag}{Enter}`);
+}
+
+export async function submitCreateKey(
+	dialog: ReturnType<typeof within>,
+): Promise<void> {
+	await userEvent.type(dialog.getByLabelText('Name'), 'otel-collectors');
+	await userEvent.click(dialog.getByLabelText('Expiration'));
+	await userEvent.click(
+		await screen.findByTitle(dayjs().add(1, 'day').format('YYYY-MM-DD')),
+	);
+	await userEvent.click(
+		dialog.getByRole('button', { name: 'Create new Ingestion key' }),
+	);
+}

frontend/src/pages/Settings/Ingestion/stories/Ingestion.stories.tsx

@@ -1,10 +1,17 @@
 import type { Meta, StoryObj } from '@storybook/react-vite';
-import { screen, userEvent, within } from 'storybook/test';
+import dayjs from 'dayjs';
+import { expect, screen, userEvent, waitFor, within } from 'storybook/test';
 
 import { storyMocks } from '@/storybook/controls/defineStoryMocks';
 import type { PageStoryArgs } from '@/storybook/runtime/resolveStory';
 
-import { ingestionMocks } from './Ingestion.stories.mocks';
+import {
+	addTag,
+	ingestionMocks,
+	openCreateKey,
+	submitCreateKey,
+	untilLoaded,
+} from './Ingestion.stories.mocks';
 
 import SettingsPage from '../../Settings';
 
@@ -30,9 +37,6 @@ export default meta;
 
 type Story = StoryObj<IngestionArgs>;
 
-/** The list fetches before it renders a row, which outlasts the 1s default. */
-const untilLoaded = { timeout: 15_000 };
-
 /**
  * The keys collectors send data with, and how much each one is allowed to send
  * per signal before the gateway starts rejecting.
@@ -79,13 +83,106 @@ export const KeyLimits: Story = {
 /** The form a new key is named and dated in. */
 export const CreateKey: Story = {
 	play: async ({ canvasElement }): Promise<void> => {
-		await userEvent.click(
-			await within(canvasElement).findByText(
-				'New Ingestion key',
-				undefined,
-				untilLoaded,
-			),
-		);
-		await screen.findByText('Create new ingestion key', undefined, untilLoaded);
+		await openCreateKey(canvasElement);
+	},
+};
+
+/** A tag typed on the new key and not confirmed yet. */
+export const CreateKeyAddingTag: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		const dialog = await openCreateKey(canvasElement);
+		await userEvent.click(dialog.getByRole('button', { name: /New Tag/ }));
+		await userEvent.keyboard('team-payments');
+	},
+};
+
+/** The new key with its tags confirmed, each one removable. */
+export const CreateKeyTagsAdded: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		const dialog = await openCreateKey(canvasElement);
+		for (const tag of ['team-payments', 'env:production']) {
+			await addTag(dialog, tag);
+			await dialog.findByText(tag);
+		}
+	},
+};
+
+/**
+ * A tag typed again while the key already has it: Enter keeps the input open
+ * and adds nothing, with no message saying why.
+ */
+export const CreateKeyDuplicateTag: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		const dialog = await openCreateKey(canvasElement);
+		await addTag(dialog, 'team-payments');
+		await addTag(dialog, 'team-payments');
+		await dialog.findByDisplayValue('team-payments');
+	},
+};
+
+/** A tag longer than its pill, cut short with an ellipsis. */
+export const CreateKeyLongTag: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		const dialog = await openCreateKey(canvasElement);
+		const tag =
+			'team-payments-platform-observability-production-us-east-1-canary-collectors';
+		await addTag(dialog, tag);
+		await dialog.findByText(tag);
+	},
+};
+
+/** A name with a space and no expiration, submitted: each field names its rule. */
+export const CreateKeyInvalid: Story = {
+	// The page logs the rejected validation through `console.error`.
+	parameters: { allowConsoleErrors: true },
+	play: async ({ canvasElement }): Promise<void> => {
+		const dialog = await openCreateKey(canvasElement);
+		await userEvent.type(dialog.getByLabelText('Name'), 'otel collectors');
+		await userEvent.click(
+			dialog.getByRole('button', { name: 'Create new Ingestion key' }),
+		);
+		await dialog.findByText(/should only contain letters/);
+	},
+};
+
+/** The expiration calendar, where today and every day before it are disabled. */
+export const CreateKeyExpirationOpen: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		const dialog = await openCreateKey(canvasElement);
+		await userEvent.click(dialog.getByLabelText('Expiration'));
+		await screen.findByTitle(dayjs().format('YYYY-MM-DD'));
+	},
+};
+
+/** The new key sent, with the create still in flight. */
+export const CreateKeySubmitting: Story = {
+	args: { create: 'hangs' },
+	play: async ({ canvasElement }): Promise<void> => {
+		const dialog = await openCreateKey(canvasElement);
+		await submitCreateKey(dialog);
+		await waitFor(() =>
+			expect(
+				dialog.getByRole('button', { name: 'Create new Ingestion key' }),
+			).toBeDisabled(),
+		);
+	},
+};
+
+/**
+ * A create the gateway rejects: the notification names the conflict and the
+ * form keeps what was typed.
+ */
+export const CreateKeyFailed: Story = {
+	args: { create: 'fails' },
+	// The deliberate 409 is the state under test.
+	parameters: { allowConsoleErrors: true },
+	play: async ({ canvasElement }): Promise<void> => {
+		const dialog = await openCreateKey(canvasElement);
+		await submitCreateKey(dialog);
+		await screen.findByText(
+			'An ingestion key with this name already exists.',
+			undefined,
+			untilLoaded,
+		);
 	},
 };

frontend/src/pages/Settings/Ingestion/stories/__story_mockdata__/ingestion.ts

@@ -7,6 +7,7 @@ import type {
 	GatewaytypesIngestionKeyDTO,
 	GatewaytypesLimitDTO,
 	GetIngestionKeys200,
+	RenderErrorResponseDTO,
 } from 'api/generated/services/sigNoz.schemas';
 import type { IngestionInfo } from 'types/api/settings/ingestion';
 
@@ -21,6 +22,10 @@ export const EXPIRIES = ['none', 'soon', 'expired'] as const;
 
 export type Expiry = (typeof EXPIRIES)[number];
 
+export const CREATE_OUTCOMES = ['succeeds', 'fails', 'hangs'] as const;
+
+export type CreateOutcome = (typeof CREATE_OUTCOMES)[number];
+
 const KEY_NAMES = [
 	'production-us-east',
 	'production-eu-west',
@@ -117,6 +122,18 @@ export const ingestionKeysResponse = (
 	},
 });
 
+export const ingestionKeyCreateError = (): RenderErrorResponseDTO => ({
+	status: 'error',
+	error: {
+		code: 'already_exists',
+		type: 'already_exists',
+		message: 'An ingestion key with this name already exists.',
+		url: '',
+		errors: [],
+		suggestions: [],
+	},
+});
+
 /**
  * The pre-gateway endpoint, which answers with one record and no limits: the tab
  * falls back to it when the gateway feature is off.

frontend/src/pages/Settings/McpServer/stories/McpServer.stories.tsx

@@ -1,5 +1,5 @@
 import type { Meta, StoryObj } from '@storybook/react-vite';
-import { userEvent, within } from 'storybook/test';
+import { screen, userEvent, within } from 'storybook/test';
 
 import { storyMocks } from '@/storybook/controls/defineStoryMocks';
 import type { PageStoryArgs } from '@/storybook/runtime/resolveStory';
@@ -77,3 +77,31 @@ export const NonAdmin: Story = {
 export const Tooltips: Story = {
 	args: { tooltipsOpen: true },
 };
+
+/** The client config snippet copied: the toast confirming it. */
+export const SnippetCopiedToast: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await userEvent.click(
+			await within(canvasElement).findByRole(
+				'button',
+				{ name: /^copy .* config$/i },
+				untilLoaded,
+			),
+		);
+		await screen.findByText(/snippet copied to clipboard/i);
+	},
+};
+
+/** The instance URL copied: the toast confirming it. */
+export const InstanceUrlCopiedToast: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await userEvent.click(
+			await within(canvasElement).findByRole(
+				'button',
+				{ name: /copy signoz instance url/i },
+				untilLoaded,
+			),
+		);
+		await screen.findByText(/instance url copied to clipboard/i);
+	},
+};

frontend/src/pages/Settings/Members/stories/Members.stories.mocks.tsx

@@ -5,13 +5,18 @@
 
 import ROUTES from 'constants/routes';
 import { rest } from 'msw';
+import { screen, userEvent, within } from 'storybook/test';
 
 import { choiceControl, countControl } from '@/storybook/controls/controls';
 import { defineStoryMocks } from '@/storybook/controls/defineStoryMocks';
 
 import {
 	ACTIVE_MEMBER_MAX,
+	BLOCKED_INVITE_DOMAIN,
 	createdUserResponse,
+	emptyResetTokenResponse,
+	RESET_LINK_OUTCOMES,
+	type ResetLinkOutcome,
 	DELETED_MEMBER_MAX,
 	INVITED_MEMBER_MAX,
 	RESET_TOKEN_STATES,
@@ -21,6 +26,12 @@ import {
 	usersResponse,
 } from './__story_mockdata__/members';
 
+import {
+	MUTATION_OUTCOMES,
+	type MutationOutcome,
+	mutationResolver,
+	mutationResponse,
+} from '../../stories/__story_mockdata__/mutationOutcome';
 import {
 	CUSTOM_ROLE_MAX,
 	rolesListResponse,
@@ -28,6 +39,7 @@ import {
 
 const LIST = 'Members · list';
 const INVITES = 'Members · invites';
+const DRAWER = 'Members · drawer';
 
 export const membersMocks = defineStoryMocks({
 	controls: {
@@ -61,6 +73,33 @@ export const membersMocks = defineStoryMocks({
 			options: RESET_TOKEN_STATES,
 			value: 'valid',
 		}),
+		invite: choiceControl<MutationOutcome>('Sending invites', {
+			group: INVITES,
+			description: `How each invite answers. An address on ${BLOCKED_INVITE_DOMAIN} is always refused, which leaves a batch half sent. \`success\` raises the "Invites sent" toast, \`loading\` never answers, \`error\` refuses every invite.`,
+			options: MUTATION_OUTCOMES,
+			value: 'success',
+		}),
+		memberUpdate: choiceControl<MutationOutcome>('Saving the member', {
+			group: DRAWER,
+			description:
+				'How the PATCH behind "Save Member Details" answers. `success` raises the "Member details updated" toast, `loading` leaves the button spinning, `error` lists the failure in the drawer.',
+			options: MUTATION_OUTCOMES,
+			value: 'success',
+		}),
+		memberDelete: choiceControl<MutationOutcome>('Deleting the member', {
+			group: DRAWER,
+			description:
+				'How the DELETE behind the confirmation answers. `success` raises the "Member deleted" or "Invite revoked" toast, `loading` leaves the button busy, `error` opens the error modal.',
+			options: MUTATION_OUTCOMES,
+			value: 'success',
+		}),
+		resetLink: choiceControl<ResetLinkOutcome>('Generating a link', {
+			group: DRAWER,
+			description:
+				'How the POST behind the reset or invite link answers. `success` opens the dialog whose copy button raises the toast, `no-token` raises the "Failed to generate" toast, `loading` never answers, `error` opens the error modal.',
+			options: RESET_LINK_OUTCOMES,
+			value: 'success',
+		}),
 	},
 	handlers: (values, response) => [
 		rest.get(
@@ -74,19 +113,35 @@ export const membersMocks = defineStoryMocks({
 			),
 		),
 
-		rest.post(
-			'http://localhost/api/v2/users',
-			response.json(() => createdUserResponse()),
-		),
+		rest.post('http://localhost/api/v2/users', async (req, res, ctx) => {
+			const { email } = (await req.json()) as { email?: string };
+
+			if (String(email).endsWith(BLOCKED_INVITE_DOMAIN)) {
+				return res(
+					ctx.status(409),
+					ctx.json({
+						status: 'error',
+						error: { code: 'already_exists', message: 'User already exists' },
+					}),
+				);
+			}
+
+			return mutationResponse(values.invite, createdUserResponse(), res, ctx);
+		}),
 
 		rest.get(
 			'http://localhost/api/v2/users/:id/reset_password_tokens',
 			response.json(() => resetPasswordTokenResponse(values.inviteToken)),
 		),
 
-		rest.post(
+		rest.put(
 			'http://localhost/api/v2/users/:id/reset_password_tokens',
-			response.json(() => resetPasswordTokenResponse('valid')),
+			mutationResolver(
+				values.resetLink === 'no-token' ? 'success' : values.resetLink,
+				values.resetLink === 'no-token'
+					? emptyResetTokenResponse()
+					: resetPasswordTokenResponse('valid'),
+			),
 		),
 
 		rest.get(
@@ -94,14 +149,14 @@ export const membersMocks = defineStoryMocks({
 			response.json((req) => userDetailResponse(String(req.params.id))),
 		),
 
-		rest.patch(
+		rest.put(
 			'http://localhost/api/v2/users/:id',
-			response.json(() => ({ status: 'success', data: null })),
+			mutationResolver(values.memberUpdate),
 		),
 
 		rest.delete(
 			'http://localhost/api/v2/users/:id',
-			response.json(() => ({ status: 'success', data: null })),
+			mutationResolver(values.memberDelete),
 		),
 
 		rest.post(
@@ -121,3 +176,83 @@ export const membersMocks = defineStoryMocks({
 	],
 	config: () => ({ route: ROUTES.MEMBERS_SETTINGS }),
 });
+
+/** The table fetches before it renders a row, which outlasts the 1s default. */
+export const untilLoaded = { timeout: 15_000 };
+
+/**
+ * The click handler sits on the row rather than the cell, and the header row
+ * resolves before the body has one: wait on a cell, then click the row it is in.
+ */
+export const openMember = async (
+	canvasElement: HTMLElement,
+	name: RegExp,
+): Promise<void> => {
+	const cell = await within(canvasElement).findByText(
+		name,
+		undefined,
+		untilLoaded,
+	);
+
+	await userEvent.click(cell.closest('tr') as HTMLElement);
+};
+
+/**
+ * Selects `viewer` in the roles dropdown at `index`. The option's content ignores
+ * pointer events, so the click goes to the option around it. A click on the
+ * label closes the dropdown, where Escape would close the dialog too.
+ */
+const pickRole = async (index: number): Promise<void> => {
+	const comboboxes = await screen.findAllByRole(
+		'combobox',
+		undefined,
+		untilLoaded,
+	);
+
+	await userEvent.click(comboboxes[index]);
+	const options = await screen.findAllByText('viewer', undefined, untilLoaded);
+
+	await userEvent.click(
+		options[options.length - 1].closest('.ant-select-item-option') as HTMLElement,
+	);
+	await userEvent.click(await screen.findByText('Email address'));
+};
+
+export const sendInvites = async (
+	canvasElement: HTMLElement,
+	emails: string[],
+): Promise<void> => {
+	await userEvent.click(
+		await within(canvasElement).findByText(
+			/invite member/i,
+			undefined,
+			untilLoaded,
+		),
+	);
+	const fields = await screen.findAllByTestId(
+		/^invite-email-/,
+		undefined,
+		untilLoaded,
+	);
+
+	for (const [index, email] of emails.entries()) {
+		await userEvent.type(fields[index], email);
+		await pickRole(index);
+	}
+	await userEvent.click(
+		await screen.findByRole('button', { name: 'Invite Team Members' }),
+	);
+};
+
+export const openResetLink = async (
+	canvasElement: HTMLElement,
+): Promise<void> => {
+	await openMember(canvasElement, /jon snow/i);
+	await userEvent.click(
+		await screen.findByRole(
+			'button',
+			{ name: 'Generate Password Reset Link' },
+			untilLoaded,
+		),
+	);
+};

frontend/src/pages/Settings/Members/stories/Members.stories.tsx

@@ -1,10 +1,16 @@
 import type { Meta, StoryObj } from '@storybook/react-vite';
-import { screen, userEvent, within } from 'storybook/test';
+import { expect, screen, userEvent, waitFor, within } from 'storybook/test';
 
 import { storyMocks } from '@/storybook/controls/defineStoryMocks';
 import type { PageStoryArgs } from '@/storybook/runtime/resolveStory';
 
-import { membersMocks } from './Members.stories.mocks';
+import {
+	membersMocks,
+	openMember,
+	openResetLink,
+	sendInvites,
+	untilLoaded,
+} from './Members.stories.mocks';
 
 import SettingsPage from '../../Settings';
 
@@ -30,29 +36,9 @@ export default meta;
 
 type Story = StoryObj<MembersArgs>;
 
-/** The table fetches before it renders a row, which outlasts the 1s default. */
-const untilLoaded = { timeout: 15_000 };
-
 /** One more than the twenty rows a page holds. */
 const OVER_ONE_PAGE = 21;
 
-/**
- * The click handler sits on the row rather than the cell, and the header row
- * resolves before the body has one: wait on a cell, then click the row it is in.
- */
-const openMember = async (
-	canvasElement: HTMLElement,
-	name: RegExp,
-): Promise<void> => {
-	const cell = await within(canvasElement).findByText(
-		name,
-		undefined,
-		untilLoaded,
-	);
-
-	await userEvent.click(cell.closest('tr') as HTMLElement);
-};
-
 const openPendingMember = async ({
 	canvasElement,
 }: {
@@ -214,3 +200,161 @@ export const InviteMembers: Story = {
 		await screen.findAllByTestId(/^invite-email-/, undefined, untilLoaded);
 	},
 };
+
+/**
+ * Invites sent to every address: the toast confirming it. Set Sending invites
+ * to `error` or `loading` to see the form instead.
+ */
+export const InvitesSentToast: Story = {
+	play: async ({ canvasElement, args }): Promise<void> => {
+		await sendInvites(canvasElement, [
+			'bran@nightswatch.io',
+			'hodor@nightswatch.io',
+		]);
+		if (args.invite === 'success') {
+			await waitFor(() =>
+				expect(screen.getByText(/invites sent successfully/i)).toBeVisible(),
+			);
+		}
+	},
+};
+
+/** One address refused out of two: the warning that some invites failed. */
+export const InvitesPartiallyFailedToast: Story = {
+	// The 409 for the refused address is the state under test.
+	parameters: { allowConsoleErrors: true },
+	play: async ({ canvasElement, args }): Promise<void> => {
+		await sendInvites(canvasElement, [
+			'bran@nightswatch.io',
+			'hodor@blocked.example',
+		]);
+		if (args.invite === 'success') {
+			await waitFor(() =>
+				expect(screen.getByText(/some invites failed/i)).toBeVisible(),
+			);
+		}
+	},
+};
+
+/**
+ * A member's name changed and saved: the toast confirming it. Set Saving the
+ * member to `error` or `loading` to see the drawer instead.
+ */
+export const MemberUpdatedToast: Story = {
+	play: async ({ canvasElement, args }): Promise<void> => {
+		await openMember(canvasElement, /jon snow/i);
+		const name = await screen.findByPlaceholderText(
+			/enter name/i,
+			undefined,
+			untilLoaded,
+		);
+
+		await waitFor(() => expect(name).toHaveValue('Jon Snow'), untilLoaded);
+		await userEvent.type(name, ' Targaryen');
+		await userEvent.click(
+			await screen.findByRole('button', { name: 'Save Member Details' }),
+		);
+		if (args.memberUpdate === 'success') {
+			await waitFor(() =>
+				expect(
+					screen.getByText(/member details updated successfully/i),
+				).toBeVisible(),
+			);
+		}
+	},
+};
+
+/**
+ * A member deleted from the confirmation: the toast confirming it. Set Deleting
+ * the member to `error` or `loading` to see the dialog instead.
+ */
+export const MemberDeletedToast: Story = {
+	play: async ({ canvasElement, args }): Promise<void> => {
+		await openMember(canvasElement, /jon snow/i);
+		await userEvent.click(
+			await screen.findByRole('button', { name: 'Delete Member' }),
+		);
+		const dialog = await screen.findByRole('dialog', { name: 'Delete Member' });
+
+		await userEvent.click(
+			within(dialog).getByRole('button', { name: 'Delete Member' }),
+		);
+		if (args.memberDelete === 'success') {
+			await waitFor(() =>
+				expect(screen.getByText(/member deleted successfully/i)).toBeVisible(),
+			);
+		}
+	},
+};
+
+/**
+ * A pending invite revoked from the confirmation: the toast confirming it. Set
+ * Deleting the member to `error` or `loading` to see the dialog instead.
+ */
+export const InviteRevokedToast: Story = {
+	play: async ({ canvasElement, args }): Promise<void> => {
+		await openPendingMember({ canvasElement });
+		await userEvent.click(
+			await screen.findByRole('button', { name: 'Revoke Invite' }),
+		);
+		const dialog = await screen.findByRole('dialog', { name: 'Revoke Invite' });
+
+		await userEvent.click(
+			within(dialog).getByRole('button', { name: 'Revoke Invite' }),
+		);
+		if (args.memberDelete === 'success') {
+			await waitFor(() =>
+				expect(screen.getByText(/invite revoked successfully/i)).toBeVisible(),
+			);
+		}
+	},
+};
+
+/**
+ * The generated password reset link copied from its dialog: the toast
+ * confirming it.
+ */
+export const ResetLinkCopiedToast: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await openResetLink(canvasElement);
+		await userEvent.click(
+			await screen.findByRole('button', { name: /^copy$/i }, untilLoaded),
+		);
+		await screen.findByText(/reset link copied to clipboard/i);
+	},
+};
+
+/**
+ * The invite link of a pending member copied from its dialog: the toast
+ * confirming it.
+ */
+export const InviteLinkCopiedToast: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await openPendingMember({ canvasElement });
+		await userEvent.click(
+			await screen.findByRole('button', { name: /invite link/i }, untilLoaded),
+		);
+		await userEvent.click(
+			await screen.findByRole('button', { name: /^copy$/i }, untilLoaded),
+		);
+		await screen.findByText(/invite link copied to clipboard/i);
+	},
+};
+
+/**
+ * A reset link request that answers without a token: the toast reporting the
+ * failure. Set Generating a link to `success` for the dialog instead.
+ */
+export const ResetLinkFailedToast: Story = {
+	args: { resetLink: 'no-token' },
+	play: async ({ canvasElement, args }): Promise<void> => {
+		await openResetLink(canvasElement);
+		if (args.resetLink === 'no-token') {
+			await waitFor(() =>
+				expect(
+					screen.getByText(/failed to generate password reset link/i),
+				).toBeVisible(),
+			);
+		}
+	},
+};

frontend/src/pages/Settings/Members/stories/__story_mockdata__/members.ts

@@ -154,3 +154,26 @@ export const createdUserResponse = (): CreateUser201 => ({
 	status: 'success',
 	data: { id: 'user-active-new' },
 });
+
+export const RESET_LINK_OUTCOMES = [
+	'success',
+	'no-token',
+	'loading',
+	'error',
+] as const;
+
+export type ResetLinkOutcome = (typeof RESET_LINK_OUTCOMES)[number];
+
+/** A reset-token response that carries no token, which the drawer reports as a failure. */
+export const emptyResetTokenResponse = (): GetResetPasswordToken200 => ({
+	status: 'success',
+	data: {
+		id: 'reset-token-1',
+		passwordId: 'password-1',
+		token: '',
+		expiresAt: new Date(JOINED_AT).toISOString(),
+	},
+});
+
+/** An invite for an address the backend refuses, to leave a batch half sent. */
+export const BLOCKED_INVITE_DOMAIN = 'blocked.example';

frontend/src/pages/Settings/Roles/RoleEditor/stories/RoleEditor.stories.mocks.tsx

@@ -5,11 +5,17 @@
 
 import ROUTES from 'constants/routes';
 import { rest } from 'msw';
+import { expect, userEvent, waitFor, within } from 'storybook/test';
 import { RoleType } from 'types/roles';
 
 import { choiceControl } from '@/storybook/controls/controls';
 import { defineStoryMocks } from '@/storybook/controls/defineStoryMocks';
 
+import {
+	MUTATION_OUTCOMES,
+	type MutationOutcome,
+	mutationResolver,
+} from '../../../stories/__story_mockdata__/mutationOutcome';
 import {
 	CUSTOM_ROLE_ID,
 	PERMISSION_BREADTHS,
@@ -63,6 +69,13 @@ export const roleEditorMocks = defineStoryMocks({
 			options: PERMISSION_BREADTHS,
 			value: 'broad',
 		}),
+		roleSave: choiceControl<MutationOutcome>('Saving the role', {
+			group: EDITOR,
+			description:
+				'How the request behind the save button answers. `success` raises the created or updated toast, `loading` leaves the button spinning, `error` shows the failure above the form.',
+			options: MUTATION_OUTCOMES,
+			value: 'success',
+		}),
 	},
 	handlers: (values, response) => [
 		rest.get(
@@ -74,13 +87,47 @@ export const roleEditorMocks = defineStoryMocks({
 
 		rest.post(
 			'http://localhost/api/v1/roles',
-			response.json(() => ({ status: 'success', data: { id: CUSTOM_ROLE_ID } })),
+			mutationResolver(values.roleSave, {
+				status: 'success',
+				data: { id: CUSTOM_ROLE_ID },
+			}),
 		),
 
 		rest.put(
 			'http://localhost/api/v1/roles/:id',
-			response.json(() => ({ status: 'success', data: null })),
+			mutationResolver(values.roleSave),
 		),
 	],
 	config: (values) => ({ route: routeFor(values.mode, values.editor) }),
 });
+
+/** Opens the Logs card and returns it. */
+export const openLogsCard = async (
+	canvasElement: HTMLElement,
+): Promise<HTMLElement> => {
+	const header = await within(canvasElement).findByRole(
+		'button',
+		{ name: /^Logs:/ },
+		{ timeout: 15_000 },
+	);
+
+	await userEvent.click(header);
+
+	return header.parentElement as HTMLElement;
+};
+
+/** Clicks save once the permission check behind the button has answered. */
+export const save = async (canvasElement: HTMLElement): Promise<void> => {
+	const button = await waitFor(
+		() => {
+			const found = within(canvasElement).getByTestId('save-button');
+
+			expect(found).not.toHaveAttribute('aria-disabled', 'true');
+
+			return found;
+		},
+		{ timeout: 15_000 },
+	);
+
+	await userEvent.click(button);
+};

frontend/src/pages/Settings/Roles/RoleEditor/stories/RoleEditor.stories.tsx

@@ -1,10 +1,14 @@
 import type { Meta, StoryObj } from '@storybook/react-vite';
-import { userEvent, within } from 'storybook/test';
+import { expect, screen, userEvent, waitFor, within } from 'storybook/test';
 
 import { storyMocks } from '@/storybook/controls/defineStoryMocks';
 import type { PageStoryArgs } from '@/storybook/runtime/resolveStory';
 
-import { roleEditorMocks } from './RoleEditor.stories.mocks';
+import {
+	openLogsCard,
+	roleEditorMocks,
+	save,
+} from './RoleEditor.stories.mocks';
 
 import SettingsPage from '../../../Settings';
 
@@ -75,3 +79,74 @@ export const Tooltips: Story = {
 export const TooltipsInJsonEditor: Story = {
 	args: { tooltipsOpen: true, mode: 'edit', editor: 'json' },
 };
+
+/** The Logs card's first verb granted over everything instead of nothing. */
+export const PermissionEditorScope: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		const card = await openLogsCard(canvasElement);
+		const [all] = await within(card).findAllByText('All');
+
+		await userEvent.click(all);
+	},
+};
+
+/** The selector wizard, opened from a Logs verb scoped to named objects. */
+export const TelemetrySelectorWizard: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		const card = await openLogsCard(canvasElement);
+		const [onlySelected] = await within(card).findAllByText('Only selected');
+
+		await userEvent.click(onlySelected);
+		await userEvent.click(
+			await within(card).findByRole('button', { name: 'Wizard' }),
+		);
+		await screen.findByRole('dialog', { name: 'Selector Wizard' });
+	},
+};
+
+/**
+ * A new role saved: the toast confirming it. Set Saving the role to `error` or
+ * `loading` to see the page instead.
+ */
+export const RoleCreatedToast: Story = {
+	play: async ({ canvasElement, args }): Promise<void> => {
+		await userEvent.type(
+			await within(canvasElement).findByTestId('role-name-input', undefined, {
+				timeout: 15_000,
+			}),
+			'release-manager',
+		);
+		await save(canvasElement);
+		if (args.roleSave === 'success') {
+			await waitFor(() =>
+				expect(screen.getByText(/role created successfully/i)).toBeVisible(),
+			);
+		}
+	},
+};
+
+/**
+ * An existing role's description changed and saved: the toast confirming it.
+ * Set Saving the role to `error` or `loading` to see the page instead.
+ */
+export const RoleUpdatedToast: Story = {
+	args: { mode: 'edit' },
+	play: async ({ canvasElement, args }): Promise<void> => {
+		const description = await within(canvasElement).findByTestId(
+			'role-description-input',
+			undefined,
+			{ timeout: 15_000 },
+		);
+
+		await waitFor(() => expect(description).not.toHaveValue(''), {
+			timeout: 15_000,
+		});
+		await userEvent.type(description, ' Also pages the secondary.');
+		await save(canvasElement);
+		if (args.roleSave === 'success') {
+			await waitFor(() =>
+				expect(screen.getByText(/role updated successfully/i)).toBeVisible(),
+			);
+		}
+	},
+};

frontend/src/pages/Settings/ServiceAccounts/stories/ServiceAccounts.stories.mocks.tsx

@@ -25,6 +25,11 @@ import {
 	serviceAccountsResponse,
 } from './__story_mockdata__/serviceAccounts';
 
+import {
+	MUTATION_OUTCOMES,
+	type MutationOutcome,
+	mutationResolver,
+} from '../../stories/__story_mockdata__/mutationOutcome';
 import {
 	CUSTOM_ROLE_MAX,
 	rolesListResponse,
@@ -81,6 +86,34 @@ export const serviceAccountsMocks = defineStoryMocks({
 			options: SAVE_OUTCOMES,
 			value: 'succeeds',
 		}),
+		accountCreate: choiceControl<MutationOutcome>('Creating an account', {
+			group: LIST,
+			description:
+				'How the POST behind "Create Service Account" answers. `success` raises the created toast, `loading` leaves the button spinning, `error` opens the error modal.',
+			options: MUTATION_OUTCOMES,
+			value: 'success',
+		}),
+		accountDelete: choiceControl<MutationOutcome>('Deleting an account', {
+			group: DRAWER,
+			description:
+				'How the DELETE behind the confirmation answers. `success` raises the deleted toast, `loading` leaves the button spinning, `error` opens the error modal.',
+			options: MUTATION_OUTCOMES,
+			value: 'success',
+		}),
+		keyUpdate: choiceControl<MutationOutcome>('Updating a key', {
+			group: KEYS,
+			description:
+				'How the PUT behind the key dialog’s Save Changes answers. `success` raises the updated toast, `loading` leaves the button spinning, `error` opens the error modal.',
+			options: MUTATION_OUTCOMES,
+			value: 'success',
+		}),
+		keyRevoke: choiceControl<MutationOutcome>('Revoking a key', {
+			group: KEYS,
+			description:
+				'How the DELETE behind a key’s revoke confirmation answers. `success` raises the revoked toast, `loading` leaves the button spinning, `error` opens the error modal.',
+			options: MUTATION_OUTCOMES,
+			value: 'success',
+		}),
 	},
 	handlers: (values, response) => [
 		rest.get(
@@ -92,7 +125,7 @@ export const serviceAccountsMocks = defineStoryMocks({
 
 		rest.post(
 			'http://localhost/api/v1/service_accounts',
-			response.json(() => createdServiceAccountResponse()),
+			mutationResolver(values.accountCreate, createdServiceAccountResponse()),
 		),
 
 		rest.get(
@@ -109,12 +142,12 @@ export const serviceAccountsMocks = defineStoryMocks({
 
 		rest.put(
 			'http://localhost/api/v1/service_accounts/:id/keys/:fid',
-			response.json(() => ({ status: 'success', data: null })),
+			mutationResolver(values.keyUpdate),
 		),
 
 		rest.delete(
 			'http://localhost/api/v1/service_accounts/:id/keys/:fid',
-			response.json(() => ({ status: 'success', data: null })),
+			mutationResolver(values.keyRevoke),
 		),
 
 		rest.get(
@@ -136,7 +169,7 @@ export const serviceAccountsMocks = defineStoryMocks({
 
 		rest.delete(
 			'http://localhost/api/v1/service_accounts/:id',
-			response.json(() => ({ status: 'success', data: null })),
+			mutationResolver(values.accountDelete),
 		),
 
 		rest.post(

frontend/src/pages/Settings/ServiceAccounts/stories/ServiceAccounts.stories.tsx

@@ -280,3 +280,208 @@ export const RevokeKey: Story = {
 export const Viewer: Story = {
 	args: { access: 'viewer' },
 };
+
+/**
+ * A rename saved: the toast confirming it. Set Saving the account to `fails` to
+ * see the drawer keep the edit instead.
+ */
+export const AccountUpdatedToast: Story = {
+	parameters: at(`account=${ACCOUNT}`),
+	play: async ({ args }): Promise<void> => {
+		await userEvent.type(
+			await screen.findByDisplayValue('ci-pipeline', undefined, untilLoaded),
+			'-v2',
+		);
+		await userEvent.click(await screen.findByText(/save changes/i));
+		if (args.saveOutcome === 'succeeds') {
+			await waitFor(() =>
+				expect(
+					screen.getByText(/service account updated successfully/i),
+				).toBeVisible(),
+			);
+		}
+	},
+};
+
+/**
+ * A new account created: the toast confirming it. Set Creating an account to
+ * `error` or `loading` to see the dialog instead.
+ */
+export const AccountCreatedToast: Story = {
+	parameters: at('create-sa=true'),
+	play: async ({ args }): Promise<void> => {
+		await userEvent.type(
+			await screen.findByTestId('create-sa-name-input', undefined, untilLoaded),
+			'release-signer',
+		);
+		await userEvent.click(
+			await waitFor(() => {
+				const button = screen.getByTestId('create-sa-submit-btn');
+
+				expect(button).not.toHaveAttribute('aria-disabled', 'true');
+				expect(button).toBeEnabled();
+
+				return button;
+			}, untilLoaded),
+		);
+		if (args.accountCreate === 'success') {
+			await waitFor(() =>
+				expect(
+					screen.getByText(/service account created successfully/i),
+				).toBeVisible(),
+			);
+		}
+	},
+};
+
+/**
+ * An account deleted from its confirmation: the toast confirming it. Set
+ * Deleting an account to `error` or `loading` to see the dialog instead.
+ */
+export const AccountDeletedToast: Story = {
+	parameters: at(`account=${ACCOUNT}&delete-sa=true`),
+	play: async ({ args }): Promise<void> => {
+		await userEvent.click(
+			await waitFor(() => {
+				const button = screen.getByTestId('confirm-delete-btn');
+
+				expect(button).not.toHaveAttribute('aria-disabled', 'true');
+				expect(button).toBeEnabled();
+
+				return button;
+			}, untilLoaded),
+		);
+		if (args.accountDelete === 'success') {
+			await waitFor(() =>
+				expect(screen.getByText(/service account deleted/i)).toBeVisible(),
+			);
+		}
+	},
+};
+
+/**
+ * A key renamed in its dialog: the toast confirming it. Set Updating a key to
+ * `error` or `loading` to see the dialog instead.
+ */
+export const KeyUpdatedToast: Story = {
+	parameters: at(`${KEYS_TAB}&edit-key=factor-api-key-0`),
+	play: async ({ args }): Promise<void> => {
+		await userEvent.type(
+			await screen.findByPlaceholderText(
+				/enter key name/i,
+				undefined,
+				untilLoaded,
+			),
+			'-rotated',
+		);
+		await userEvent.click(
+			await waitFor(() => {
+				const button = within(screen.getByTestId('edit-key-modal')).getByRole(
+					'button',
+					{ name: 'Save Changes' },
+				);
+
+				expect(button).not.toHaveAttribute('aria-disabled', 'true');
+				expect(button).toBeEnabled();
+
+				return button;
+			}, untilLoaded),
+		);
+		if (args.keyUpdate === 'success') {
+			await waitFor(() =>
+				expect(screen.getByText(/key updated successfully/i)).toBeVisible(),
+			);
+		}
+	},
+};
+
+/**
+ * A key revoked from its edit dialog: the toast confirming it. Set Revoking a
+ * key to `error` or `loading` to see the confirmation instead.
+ */
+export const KeyRevokedFromEditToast: Story = {
+	parameters: at(`${KEYS_TAB}&edit-key=factor-api-key-0`),
+	play: async ({ args }): Promise<void> => {
+		await userEvent.click(
+			await waitFor(() => {
+				const button = screen.getByRole('button', { name: 'Revoke Key' });
+
+				expect(button).not.toHaveAttribute('aria-disabled', 'true');
+				expect(button).toBeEnabled();
+
+				return button;
+			}, untilLoaded),
+		);
+		const dialog = await screen.findByRole(
+			'dialog',
+			{ name: /revoke production-writer/i },
+			untilLoaded,
+		);
+
+		await userEvent.click(
+			await waitFor(() => {
+				const button = within(dialog).getByRole('button', {
+					name: 'Revoke Key',
+				});
+
+				expect(button).not.toHaveAttribute('aria-disabled', 'true');
+				expect(button).toBeEnabled();
+
+				return button;
+			}, untilLoaded),
+		);
+		if (args.keyRevoke === 'success') {
+			await waitFor(() =>
+				expect(screen.getByText(/key revoked successfully/i)).toBeVisible(),
+			);
+		}
+	},
+};
+
+/**
+ * A key revoked from its row's confirmation: the toast confirming it. Set
+ * Revoking a key to `error` or `loading` to see the confirmation instead.
+ */
+export const KeyRevokedToast: Story = {
+	parameters: at(`${KEYS_TAB}&revoke-key=factor-api-key-0`),
+	play: async ({ args }): Promise<void> => {
+		await userEvent.click(
+			await waitFor(() => {
+				const button = screen.getByRole('button', { name: 'Revoke Key' });
+
+				expect(button).not.toHaveAttribute('aria-disabled', 'true');
+				expect(button).toBeEnabled();
+
+				return button;
+			}, untilLoaded),
+		);
+		if (args.keyRevoke === 'success') {
+			await waitFor(() =>
+				expect(screen.getByText(/key revoked successfully/i)).toBeVisible(),
+			);
+		}
+	},
+};
+
+/** The new key's secret copied from the creation dialog: the toast confirming it. */
+export const KeyCopiedToast: Story = {
+	parameters: at(`${KEYS_TAB}&add-key=true`),
+	play: async (): Promise<void> => {
+		await userEvent.type(
+			await screen.findByPlaceholderText(
+				/enter key name/i,
+				undefined,
+				untilLoaded,
+			),
+			'release-signer',
+		);
+		await userEvent.click(await screen.findByText(/create key/i));
+		// The copy button is the one beside the new key, which may have no name.
+		const key = await screen.findByText(/^sk-/, undefined, untilLoaded);
+
+		await userEvent.click(
+			within(key.parentElement as HTMLElement).getByRole('button'),
+		);
+		await screen.findByText(/key copied to clipboard/i);
+	},
+};

frontend/src/pages/Settings/SingleSignOn/stories/SingleSignOn.stories.mocks.tsx

@@ -21,9 +21,15 @@ import {
 	myOrganizationResponse,
 } from './__story_mockdata__/singleSignOn';
 
+import {
+	MUTATION_OUTCOMES,
+	type MutationOutcome,
+	mutationResolver,
+} from '../../stories/__story_mockdata__/mutationOutcome';
 import { rolesListResponse } from '../../stories/__story_mockdata__/roles';
 
 const DOMAINS = 'Single sign-on · domains';
+const ACTIONS = 'Single sign-on · actions';
 
 export const singleSignOnMocks = defineStoryMocks({
 	controls: {
@@ -45,6 +51,27 @@ export const singleSignOnMocks = defineStoryMocks({
 				'Whether members of the domain are made to sign in through the provider rather than with a password.',
 			value: true,
 		}),
+		displayNameUpdate: choiceControl<MutationOutcome>('Display name update', {
+			group: ACTIONS,
+			description:
+				'How the PUT behind the display name form answers. `success` raises the success toast, `loading` never answers, `error` opens the error modal.',
+			options: MUTATION_OUTCOMES,
+			value: 'success',
+		}),
+		domainSave: choiceControl<MutationOutcome>('Domain save', {
+			group: ACTIONS,
+			description:
+				'How creating or updating a domain answers. `success` raises the created or updated toast, `loading` leaves the button spinning, `error` opens the error modal.',
+			options: MUTATION_OUTCOMES,
+			value: 'success',
+		}),
+		domainDelete: choiceControl<MutationOutcome>('Domain delete', {
+			group: ACTIONS,
+			description:
+				'How the DELETE behind "Delete Domain" answers. `success` raises the "Domain deleted" toast, `loading` leaves the button spinning, `error` opens the error modal.',
+			options: MUTATION_OUTCOMES,
+			value: 'success',
+		}),
 	},
 	handlers: (values, response) => [
 		rest.get(
@@ -56,20 +83,23 @@ export const singleSignOnMocks = defineStoryMocks({
 
 		rest.put(
 			'http://localhost/api/v2/auth_domains/:id',
-			response.json(() => ({ status: 'success', data: { id: 'auth-domain-0' } })),
+			mutationResolver(values.domainSave, {
+				status: 'success',
+				data: { id: 'auth-domain-0' },
+			}),
 		),
 
 		rest.post(
 			'http://localhost/api/v2/auth_domains',
-			response.json(() => ({
+			mutationResolver(values.domainSave, {
 				status: 'success',
 				data: { id: 'auth-domain-new' },
-			})),
+			}),
 		),
 
 		rest.delete(
 			'http://localhost/api/v2/auth_domains/:id',
-			response.json(() => ({ status: 'success', data: null })),
+			mutationResolver(values.domainDelete),
 		),
 
 		// The provider form maps IdP groups onto SigNoz roles, so it reads the role
@@ -85,8 +115,9 @@ export const singleSignOnMocks = defineStoryMocks({
 			res(ctx.status(200), ctx.json(myOrganizationResponse())),
 		),
 
-		rest.put('http://localhost/api/v2/orgs/me', (_req, res, ctx) =>
-			res(ctx.status(200), ctx.json(myOrganizationResponse())),
+		rest.put(
+			'http://localhost/api/v2/orgs/me',
+			mutationResolver(values.displayNameUpdate, myOrganizationResponse()),
 		),
 	],
 	config: () => ({ route: ROUTES.ORG_SETTINGS }),

frontend/src/pages/Settings/SingleSignOn/stories/SingleSignOn.stories.tsx

@@ -1,5 +1,5 @@
 import type { Meta, StoryObj } from '@storybook/react-vite';
-import { screen, userEvent, within } from 'storybook/test';
+import { expect, screen, userEvent, waitFor, within } from 'storybook/test';
 
 import { storyMocks } from '@/storybook/controls/defineStoryMocks';
 import type { PageStoryArgs } from '@/storybook/runtime/resolveStory';
@@ -158,3 +158,48 @@ export const DeleteDomain: Story = {
 		);
 	},
 };
+
+/**
+ * The org's display name saved: the toast confirming it. Set Display name
+ * update to `error` or `loading` to see the modal instead.
+ */
+export const DisplayNameUpdatedToast: Story = {
+	play: async ({ canvasElement, args }): Promise<void> => {
+		const input = await within(canvasElement).findByLabelText(
+			/display name/i,
+			undefined,
+			untilLoaded,
+		);
+
+		await userEvent.clear(input);
+		await userEvent.type(input, 'Night Watch');
+		await userEvent.click(
+			await within(canvasElement).findByRole('button', { name: /^submit$/i }),
+		);
+		if (args.displayNameUpdate === 'success') {
+			await waitFor(() => expect(screen.getByText(/^success$/i)).toBeVisible());
+		}
+	},
+};
+
+/**
+ * A domain removed: the toast confirming it. Set Domain delete to `error` or
+ * `loading` to see the modal instead.
+ */
+export const DomainDeletedToast: Story = {
+	play: async ({ canvasElement, args }): Promise<void> => {
+		await clickFirst(canvasElement, 'auth-domain-delete');
+		await userEvent.click(
+			await screen.findByTestId(
+				'auth-domain-delete-confirm',
+				undefined,
+				untilLoaded,
+			),
+		);
+		if (args.domainDelete === 'success') {
+			await waitFor(() =>
+				expect(screen.getByText(/domain deleted successfully/i)).toBeVisible(),
+			);
+		}
+	},
+};

frontend/src/pages/Settings/Workspace/stories/Workspace.stories.mocks.tsx

@@ -17,7 +17,9 @@ import {
 	metricsRetentionResponse,
 	RETENTION_STATUSES,
 	tracesRetentionResponse,
+	DOMAIN_UPDATES,
 	WORKSPACE_URLS,
+	type DomainUpdate,
 	type WorkspaceUrl,
 } from './__story_mockdata__/workspace';
 
@@ -46,6 +48,13 @@ export const workspaceMocks = defineStoryMocks({
 			options: WORKSPACE_URLS,
 			value: 'custom',
 		}),
+		domainUpdate: choiceControl<DomainUpdate>('Domain update', {
+			group: DOMAIN,
+			description:
+				'How the PUT behind "Apply Changes" answers. `success` raises the "Workspace URL updated" toast, `loading` never answers and leaves the button spinning, `error` shows the failure in the modal.',
+			options: DOMAIN_UPDATES,
+			value: 'success',
+		}),
 	},
 	handlers: (values, response) => [
 		// One path, two signals: the type the page asks for is a query param.
@@ -75,6 +84,22 @@ export const workspaceMocks = defineStoryMocks({
 		rest.get('http://localhost/api/v2/zeus/hosts', (_req, res, ctx) =>
 			res(ctx.status(200), ctx.json(hostsResponse(values.workspaceUrl))),
 		),
+
+		rest.put('http://localhost/api/v2/zeus/hosts', (_req, res, ctx) => {
+			if (values.domainUpdate === 'loading') {
+				return res(ctx.delay('infinite'));
+			}
+
+			return values.domainUpdate === 'error'
+				? res(
+						ctx.status(409),
+						ctx.json({
+							status: 'error',
+							error: { code: 'already_exists', message: 'Subdomain is taken' },
+						}),
+					)
+				: res(ctx.status(204));
+		}),
 	],
 	config: () => ({ route: ROUTES.SETTINGS }),
 });

frontend/src/pages/Settings/Workspace/stories/Workspace.stories.tsx

@@ -1,5 +1,5 @@
 import type { Meta, StoryObj } from '@storybook/react-vite';
-import { screen, userEvent, within } from 'storybook/test';
+import { expect, screen, userEvent, waitFor, within } from 'storybook/test';
 
 import { storyMocks } from '@/storybook/controls/defineStoryMocks';
 import type { PageStoryArgs } from '@/storybook/runtime/resolveStory';
@@ -72,3 +72,45 @@ export const CustomDomainMenu: Story = {
 		await screen.findByRole('menu');
 	},
 };
+
+/**
+ * "Edit workspace link" applied: the toast announcing the new URL, raised once
+ * the PUT answers. Set Domain update to `error` or `loading` to see the modal
+ * instead.
+ */
+export const CustomDomainUpdatedToast: Story = {
+	play: async ({ canvasElement, args }): Promise<void> => {
+		await userEvent.click(
+			await within(canvasElement).findByRole(
+				'button',
+				{ name: /edit workspace link/i },
+				{ timeout: 10000 },
+			),
+		);
+		const input = await screen.findByRole('textbox');
+		await userEvent.clear(input);
+		await userEvent.type(input, 'watchers');
+		await userEvent.click(
+			await screen.findByRole('button', { name: /apply changes/i }),
+		);
+		if (args.domainUpdate === 'success') {
+			await waitFor(() =>
+				expect(screen.getByText(/workspace url is being updated/i)).toBeVisible(),
+			);
+		}
+	},
+};
+
+/** The license key copied: the toast confirming it. */
+export const LicenseKeyCopiedToast: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await userEvent.click(
+			await within(canvasElement).findByTestId(
+				'license-key-row-copy-btn',
+				{},
+				{ timeout: 10000 },
+			),
+		);
+		await screen.findByText(/license key copied to clipboard/i);
+	},
+};

frontend/src/pages/Settings/Workspace/stories/__story_mockdata__/workspace.ts

@@ -84,6 +84,10 @@ const CUSTOM_HOST = {
 
 export const WORKSPACE_URLS = ['default', 'custom'] as const;
 
+export const DOMAIN_UPDATES = ['success', 'loading', 'error'] as const;
+
+export type DomainUpdate = (typeof DOMAIN_UPDATES)[number];
+
 export type WorkspaceUrl = (typeof WORKSPACE_URLS)[number];
 
 /**

frontend/src/pages/Settings/stories/__story_mockdata__/mutationOutcome.ts

@@ -0,0 +1,36 @@
+import type { DefaultBodyType, ResponseComposition, RestContext } from 'msw';
+
+import type { MockResolver } from '@/storybook/msw/types';
+
+export const MUTATION_OUTCOMES = ['success', 'loading', 'error'] as const;
+
+export type MutationOutcome = (typeof MUTATION_OUTCOMES)[number];
+
+const FAILURE = {
+	status: 'error',
+	error: { code: 'internal', message: 'The request failed' },
+};
+
+/** The answer for an outcome: the body, never answering, or a 500. */
+export const mutationResponse = (
+	outcome: MutationOutcome,
+	body: DefaultBodyType,
+	res: ResponseComposition<DefaultBodyType>,
+	ctx: RestContext,
+): ReturnType<typeof res> => {
+	if (outcome === 'loading') {
+		return res(ctx.delay('infinite'));
+	}
+
+	return outcome === 'error'
+		? res(ctx.status(500), ctx.json(FAILURE))
+		: res(ctx.status(200), ctx.json(body));
+};
+
+export const mutationResolver =
+	(
+		outcome: MutationOutcome,
+		body: DefaultBodyType = { status: 'success', data: null },
+	): MockResolver =>
+	(_req, res, ctx) =>
+		mutationResponse(outcome, body, res, ctx);

frontend/src/pages/TraceDetailsV3/stories/TraceDetailsV3.stories.mocks.tsx

@@ -12,6 +12,7 @@ import {
 import type { SpantypesPostableTraceAggregationsDTO } from 'api/generated/services/sigNoz.schemas';
 import { LOCALSTORAGE } from 'constants/localStorage';
 import { USER_PREFERENCES } from 'constants/userPreferences';
+import { screen, userEvent, within } from 'storybook/test';
 import type { QueryRangeRequestV5 } from 'types/api/v5/queryRange';
 
 import {
@@ -50,6 +51,12 @@ import {
 const TRACE = 'Trace · trace';
 const PANEL = 'Trace · span panel';
 
+const EXPORT = 'Trace · export';
+
+const EXPORT_STATES = ['success', 'loading', 'error'] as const;
+
+type ExportState = (typeof EXPORT_STATES)[number];
+
 const PANEL_POSITIONS = [
 	SpanDetailVariant.DOCKED_RIGHT,
 	SpanDetailVariant.DOCKED,
@@ -133,6 +140,13 @@ export const traceDetailsMocks = defineStoryMocks({
 			value: 8,
 			max: 20,
 		}),
+		exportState: choiceControl<ExportState>('Trace export', {
+			group: EXPORT,
+			description:
+				'How export_raw_data answers behind Download trace. `success` raises "Export completed successfully", `loading` never answers so the download panel stays open (cancelling it raises "Export cancelled"), `error` raises "Failed to download trace".',
+			options: EXPORT_STATES,
+			value: 'success',
+		}),
 	},
 	handlers: (values, response) => {
 		const trace = {
@@ -142,6 +156,20 @@ export const traceDetailsMocks = defineStoryMocks({
 		};
 
 		return [
+			rest.post('http://localhost/api/v1/export_raw_data', (_req, res, ctx) => {
+				if (values.exportState === 'loading') {
+					return res(ctx.delay('infinite'));
+				}
+
+				return values.exportState === 'error'
+					? res(ctx.status(500), ctx.json({ status: 'error' }))
+					: res(
+							ctx.status(200),
+							ctx.set('Content-Type', 'text/csv'),
+							ctx.body('trace_id,span_id\n'),
+						);
+			}),
+
 			rest.post(
 				'http://localhost/api/v4/traces/:traceId/waterfall',
 				response.json(() =>
@@ -259,3 +287,56 @@ export const traceDetailsMocks = defineStoryMocks({
 		set(LOCALSTORAGE.TRACE_DETAILS_SPAN_DETAILS_POSITION, values.panelPosition);
 	},
 });
+
+/** The waterfall renders once the trace resolves, which outlasts the 1s default. */
+export const untilLoaded = { timeout: 15_000 };
+
+/** Opens the pretty view's action menu on the first row that offers `item`. */
+export const openRowMenu = async (
+	canvasElement: HTMLElement,
+	item: string,
+): Promise<void> => {
+	await within(canvasElement).findAllByText(
+		/rpc\.method/,
+		undefined,
+		untilLoaded,
+	);
+
+	const triggers = Array.from(
+		canvasElement.querySelectorAll<HTMLElement>('.pretty-view__actions'),
+	);
+
+	for (const trigger of triggers) {
+		// eslint-disable-next-line no-await-in-loop
+		await userEvent.click(trigger);
+
+		// eslint-disable-next-line no-await-in-loop
+		const match = await screen
+			.findByRole('menuitem', { name: item })
+			.catch(() => null);
+
+		if (match) {
+			await userEvent.click(match);
+			return;
+		}
+
+		// eslint-disable-next-line no-await-in-loop
+		await userEvent.keyboard('{Escape}');
+	}
+
+	throw new Error(`no row offers "${item}"`);
+};
+
+export const startDownload = async (
+	canvasElement: HTMLElement,
+): Promise<void> => {
+	await userEvent.click(
+		await within(canvasElement).findByRole(
+			'button',
+			{ name: 'Trace options' },
+			untilLoaded,
+		),
+	);
+	await userEvent.click(await screen.findByTestId('download-trace-submenu'));
+	await userEvent.click(await screen.findByTestId('download-trace-csv'));
+};

frontend/src/pages/TraceDetailsV3/stories/TraceDetailsV3.stories.tsx

@@ -1,12 +1,25 @@
 import type { Meta, StoryObj } from '@storybook/react-vite';
 import { Route } from 'react-router-dom';
 import ROUTES from 'constants/routes';
-import { fireEvent, screen, userEvent, waitFor, within } from 'storybook/test';
+import {
+	expect,
+	fireEvent,
+	screen,
+	userEvent,
+	waitFor,
+	within,
+} from 'storybook/test';
 
 import { storyMocks } from '@/storybook/controls/defineStoryMocks';
 import type { PageStoryArgs } from '@/storybook/runtime/resolveStory';
 
-import { traceDetailsMocks } from './TraceDetailsV3.stories.mocks';
+import { STORY_TRACE_ID } from './__story_mockdata__/traceDetails';
+import {
+	openRowMenu,
+	startDownload,
+	traceDetailsMocks,
+	untilLoaded,
+} from './TraceDetailsV3.stories.mocks';
 import TraceDetailsV3 from '../index';
 
 type TraceDetailsArgs = PageStoryArgs<typeof traceDetailsMocks>;
@@ -83,9 +96,6 @@ export const BottomStripLoading: Story = {
 	args: { bottomStrip: true, dataState: 'loading' },
 };
 
-/** The waterfall renders once the trace resolves, which outlasts the 1s default. */
-const untilLoaded = { timeout: 15_000 };
-
 /**
  * Turns on Highlight errors, which writes `has_error = true` into the filter and
  * expands the bar to show it.
@@ -190,3 +200,106 @@ export const TraceOptionsMenu: Story = {
 		await screen.findByText('Preview fields');
 	},
 };
+
+/** The span panel moved from the right edge to the bottom through its dock toggle. */
+export const DockModeSwitched: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		// The dock options are icon-only and carry no accessible name.
+		const option = await within(canvasElement).findByTestId(
+			'dock-mode-docked',
+			undefined,
+			untilLoaded,
+		);
+
+		await userEvent.click(option.querySelector('button') ?? option);
+	},
+};
+
+/** The span's percentile badge expanded into the distribution it was ranked in. */
+export const SpanPercentileOpen: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await userEvent.click(
+			await within(canvasElement).findByRole(
+				'button',
+				{ name: /^p\d+/ },
+				untilLoaded,
+			),
+		);
+		await screen.findByText(/This span duration is/);
+	},
+};
+
+/** The span's trace id clicked in the panel, which copies it. */
+export const TraceIdCopiedToast: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await userEvent.click(
+			await within(canvasElement).findByRole(
+				'button',
+				{ name: STORY_TRACE_ID },
+				untilLoaded,
+			),
+		);
+		await expect(
+			await screen.findByText('Trace ID copied to clipboard'),
+		).toBeVisible();
+	},
+};
+
+/** "Copy Value" picked from a row of the span panel's pretty view. */
+export const PrettyViewValueCopiedToast: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await openRowMenu(canvasElement, 'Copy Value');
+		await expect(await screen.findByText('Copied to clipboard')).toBeVisible();
+	},
+};
+
+/** The copy-link button on a waterfall row, which copies the span's URL. */
+export const SpanLinkCopiedToast: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		const [row] = await within(canvasElement).findAllByTestId(
+			/^cell-0-/,
+			undefined,
+			untilLoaded,
+		);
+
+		await fireEvent.mouseOver(row);
+		// The hover re-renders the row, so the button has to be looked up after it settles.
+		await new Promise((resolve) => {
+			setTimeout(resolve, 300);
+		});
+		const [hovered] = within(canvasElement).getAllByTestId(/^cell-0-/);
+		// The row's hover actions have no accessible name; copy link comes first.
+		const [link] = within(hovered).getAllByRole('button');
+
+		await fireEvent.click(link);
+		await waitFor(() =>
+			expect(screen.getByText('Copied to clipboard')).toBeVisible(),
+		);
+	},
+};
+
+/** "Download trace" as CSV, finished. */
+export const TraceExportedToast: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await startDownload(canvasElement);
+	},
+};
+
+/** "Download trace" whose export request fails. */
+export const TraceExportErrorToast: Story = {
+	args: { exportState: 'error' },
+	// The deliberate 500 is the state under test.
+	parameters: { allowConsoleErrors: true },
+	play: async ({ canvasElement }): Promise<void> => {
+		await startDownload(canvasElement);
+	},
+};
+
+/** "Download trace" cancelled from the download panel while the export runs. */
+export const TraceExportCancelledToast: Story = {
+	args: { exportState: 'loading' },
+	play: async ({ canvasElement }): Promise<void> => {
+		await startDownload(canvasElement);
+		await userEvent.click(await screen.findByTestId('trace-download-cancel'));
+	},
+};

frontend/src/pages/TracesModulePage/stories/TracesModulePage.stories.tsx

@@ -1,4 +1,10 @@
 import type { Meta, StoryObj } from '@storybook/react-vite';
+import {
+	findSuggestion,
+	openKeySuggestions,
+	showFilterErrors,
+	typeFilter,
+} from 'components/QueryBuilderV2/QueryV2/QuerySearch/stories/__story_mockdata__/querySearch.play';
 import { ExplorerViews } from 'pages/LogsExplorer/utils';
 import { expect, screen, userEvent, waitFor } from 'storybook/test';
 
@@ -142,3 +148,41 @@ export const QuickFiltersSettingsWithBanner: Story = {
 	args: { banner: 'trial-expiry' },
 	play: dirtyQuickFiltersSettings,
 };
+
+/** The filter focused before anything is typed: span and resource keys together. */
+export const FilterKeySuggestions: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await openKeySuggestions(canvasElement, 'status_code_string');
+	},
+};
+
+/** A context prefix: only the keys that live on the resource. */
+export const FilterResourceKeys: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await typeFilter(canvasElement, 'resource.');
+		await findSuggestion(canvasElement, 'resource.service.name');
+	},
+};
+
+/** A key and an operator: the services the spans came from. */
+export const FilterValueSuggestions: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await typeFilter(canvasElement, 'service.name = ');
+		await findSuggestion(canvasElement, 'checkout');
+	},
+};
+
+/** A boolean key offers its two values. */
+export const FilterBooleanValues: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await typeFilter(canvasElement, 'has_error = ');
+		await findSuggestion(canvasElement, 'false');
+	},
+};
+
+/** A dangling conjunction after focus left: the marker and its errors. */
+export const FilterSyntaxError: Story = {
+	play: async ({ canvasElement }): Promise<void> => {
+		await showFilterErrors(canvasElement, 'has_error = true AND');
+	},
+};

frontend/src/storybook/README.md

@@ -116,6 +116,10 @@ Storybook fills the seams with:
   because elapsed-time code reads it — `lodash.debounce` compares two readings
   to decide its trailing call is due, and a frozen one leaves every debounced
   input in the app filtering nothing. `?storyClock=live` opts out.
+- A speech recognizer in place of the browser's, also in
+  `.storybook/preview-head.html`, because Storybook has no microphone. It
+  starts listening on `start()` and hears only what a `play` passes to
+  `webkitSpeechRecognition.listening.hear(text)`.
 - Theme from the toolbar (dark/light). `applyThemeBodyClass` puts `<body>` in the
   state the app gets from `index.html` plus `AppLayout`: `data-theme="default"`
   (every `@signozhq/design-tokens` semantic token is scoped to it, and without it

frontend/src/storybook/foundations/FeedbackFixture.tsx

@@ -2,7 +2,7 @@ import { useState } from 'react';
 import { Trash2, TriangleAlert } from '@signozhq/icons';
 import { Button } from '@signozhq/ui/button';
 import { ConfirmDialog } from '@signozhq/ui/dialog';
-import { Toaster, toast } from '@signozhq/ui/sonner';
+import { toast } from '@signozhq/ui/sonner';
 
 import MessageTip from '@/components/MessageTip';
 
@@ -103,7 +103,6 @@ function FeedbackFixture({ state }: FeedbackFixtureProps): JSX.Element {
 					</ConfirmDialog>
 				</>
 			)}
-			<Toaster closeButton position="top-right" />
 		</>
 	);
 }

frontend/src/storybook/globals/index.ts

@@ -2,6 +2,7 @@ import { composeStoryMocks } from '../controls/composeStoryMocks';
 import { appShellMocks } from './appShellMocks';
 import { authzMocks } from './authzMocks';
 import { nozMocks } from './nozMocks';
+import { toastMocks } from './toastMocks';
 import { tooltipMocks } from './tooltipMocks';
 
 /**
@@ -14,6 +15,7 @@ export const globalMocks = composeStoryMocks(
 	appShellMocks,
 	nozMocks,
 	tooltipMocks,
+	toastMocks,
 );
 
 export type GlobalMockArgs = typeof globalMocks.args;

frontend/src/storybook/globals/toastMocks.ts

@@ -0,0 +1,25 @@
+import { toggleControl } from '../controls/controls';
+import { defineStoryMocks } from '../controls/defineStoryMocks';
+import type { StoryMockArgs } from '../controls/types';
+import { persistToasts } from '../mocks/toastsPersisted';
+
+const TOASTS = 'Toasts';
+
+/**
+ * Keeps every toast the story fires on screen, so a toast is one screenshot
+ * rather than a race against sonner's 4s timer. `mocks/sonner.mock.tsx` is what
+ * reads it.
+ */
+export const toastMocks = defineStoryMocks({
+	controls: {
+		toastsPersist: toggleControl('Keep toasts on screen', {
+			group: TOASTS,
+			description:
+				'Stops toasts from dismissing themselves. A toast that sets its own `duration` is left alone. Toasts behind a click or an async action are not fired until something reaches them, so those still need a `play`.',
+			value: true,
+		}),
+	},
+	effect: ({ toastsPersist }) => persistToasts(toastsPersist),
+});
+
+export type ToastArgs = StoryMockArgs<typeof toastMocks>;

frontend/src/storybook/mocks/sonner.mock.tsx

@@ -0,0 +1,71 @@
+import {
+	Toaster as UiToaster,
+	toast as uiToast,
+	type SonnerToasterProps,
+	// eslint-disable-next-line signoz/no-signozhq-ui-barrel
+} from '@signozhq/ui';
+
+import { areToastsPersisted, toastDuration } from './toastsPersisted';
+
+/**
+ * Replaces `@signozhq/ui/sonner` in Storybook (aliased in `.storybook/main.ts`)
+ * so the Toasts control can keep every toast the story fires on screen. The real
+ * components come from the package root for the reason `tooltip.mock.tsx` gives.
+ */
+const PersistentToaster = ({
+	toastOptions,
+	...props
+}: SonnerToasterProps): JSX.Element => (
+	<UiToaster
+		{...props}
+		toastOptions={{ duration: toastDuration(), ...toastOptions }}
+	/>
+);
+
+/**
+ * Calls pass their options second, `toast.promise` and `toast.custom` included.
+ * A `duration` the call set itself (`CustomDomainSettings` asks for 5s) would
+ * outlive the control otherwise, so the control wins while it is on.
+ */
+const withPersistedOptions = (args: unknown[]): unknown[] => {
+	if (!areToastsPersisted()) {
+		return args;
+	}
+
+	const [first, options, ...rest] = args;
+
+	return [first, { ...(options as object), duration: Infinity }, ...rest];
+};
+
+const persistentToast = new Proxy(uiToast, {
+	apply: (target, thisArg, args): unknown =>
+		Reflect.apply(target, thisArg, withPersistedOptions(args)),
+	get: (target, property, receiver): unknown => {
+		const value = Reflect.get(target, property, receiver);
+
+		if (
+			typeof value !== 'function' ||
+			property === 'dismiss' ||
+			property === 'getHistory' ||
+			property === 'getToasts'
+		) {
+			return value;
+		}
+
+		return (...args: unknown[]): unknown =>
+			value.apply(target, withPersistedOptions(args));
+	},
+});
+
+const sonnerModule: typeof import('@signozhq/ui/sonner') = {
+	Toaster: PersistentToaster,
+	toast: persistentToast,
+};
+
+export const { Toaster, toast } = sonnerModule;
+
+export type {
+	SonnerToasterProps,
+	ToasterProps,
+	// eslint-disable-next-line signoz/no-signozhq-ui-barrel
+} from '@signozhq/ui';

frontend/src/storybook/mocks/toastsPersisted.ts

@@ -0,0 +1,15 @@
+let persisted = true;
+
+/** Set from the Toasts control, through `globals/toastMocks.ts`. */
+export const persistToasts = (value: boolean): void => {
+	persisted = value;
+};
+
+/**
+ * Sonner's default is 4s. A toast with no `duration` of its own follows the
+ * `Toaster`, so `Infinity` here keeps it on screen for the capture.
+ */
+export const toastDuration = (): number | undefined =>
+	persisted ? Infinity : undefined;
+
+export const areToastsPersisted = (): boolean => persisted;

frontend/src/storybook/providers/StorybookProviders.tsx

@@ -7,6 +7,7 @@ import AppProviders from '@/app/AppProviders';
 import AppShell from '@/app/AppShell';
 import type { AppLayer } from '@/app/types';
 import { CmdKPalette } from 'components/cmdKPalette/cmdKPalette';
+import { Toaster } from '@signozhq/ui/sonner';
 import AppLayout from 'container/AppLayout';
 import history from 'lib/history';
 import { NuqsTestingAdapter } from 'nuqs/adapters/testing';
@@ -50,7 +51,10 @@ const storyRouter: AppLayer = (children) => (
 const appLayout: AppLayer = (children) => <AppLayout>{children}</AppLayout>;
 
 const bareLayout: AppLayer = (children) => (
-	<TooltipProvider>{children}</TooltipProvider>
+	<TooltipProvider>
+		{children}
+		<Toaster />
+	</TooltipProvider>
 );
 
 function StorybookProviders({