fix: remove navigator clipboard use while using copy btn (#12333)

* fix(copy-button): use focus-independent clipboard copy

navigator.clipboard.writeText requires document focus and rejects with
"Document is not focused" in remote-desktop/VDI/multi-monitor setups.
Copy through react-use's useCopyToClipboard (execCommand) via a colocated
useCopyButton hook that also owns the transient "copied" state.

Fixes SIGNOZ-UI-5J4

* refactor(legend): reuse CopyButton for the copy action

Replace the duplicated inline copy button with the shared CopyButton.
Each button now owns its own copied state, so the per-item id tracking
is no longer needed.

* chore(hooks): remove unused useCopyToClipboard hook

No longer imported after CopyButton and the legend moved to
useCopyButton.

frontend/docs/authz-guide.md

@@ -0,0 +1,136 @@
+# AuthZ Guide
+
+How to structure a page so it works with the permission system.
+
+We are migrating from the `ADMIN | EDITOR | VIEWER` roles to per-action checks. Instead of granting `VIEWER` and
+exposing everything, a user can now be granted access to a single resource, eg: `Logs` only.
+
+- [Prerequisites](#prerequisites)
+- [Core rules](#core-rules)
+- [Page patterns](#page-patterns)
+- [What "blocked" means](#what-blocked-means)
+- [Migration checklist](#migration-checklist)
+- [Testing](#testing)
+
+## Prerequisites
+
+Check whether the resource your page represents is supported: see
+[permissions.type.ts](../src/lib/authz/hooks/useAuthZ/permissions.type.ts) for the current resources and their allowed
+verbs.
+
+**If the resource is not listed there, skip authz for now**. The backend does not enforce it yet, so any frontend
+check would be decorative. Revisit once the resource is generated into that file (it is auto-generated from the
+backend).
+
+## Core rules
+
+These hold for every page. The per-pattern sections below only add to them.
+
+1. **A page is always reachable, regardless of permission.** The intended action must be known before permission can
+   be checked, so the route renders first and individual pieces are gated.
+2. **`update` requires both `read` and `update`.** A user who can write but cannot read the current value must not get
+   an edit affordance.
+3. **`delete` is independent of `read`.** Delete controls stay visible for a user who holds `delete` but not `read`.
+4. **Never gate per row.** If a user can `list`, render every row. Check `read` only when the row is opened (drawer or
+   detail route).
+5. **Gate the narrowest thing that works**, a button over a section, a section over a page.
+6. **A resource may be gated while a sub-resource is not.** A user without `read` on Service Accounts can still hold
+   `create` on API Keys, so blocking the outer container would hide work they are allowed to do.
+7. **Verbs not covered here** (`attach`, `detach`, `assignee`) behave like `delete`: gate the control that triggers
+   them, not the surrounding content.
+
+## Page patterns
+
+### List page
+
+![Visual rules for structuring a list page](./assets/list-example.svg)
+
+Without `list`, but with any of `read` / `create` / `update`, only the table is blocked:
+
+- Title, description, search filters and action buttons stay visible.
+- Filters and any control that drives the table are non-interactive.
+- The create button stays enabled if the user holds `create`.
+
+### Edit page
+
+![Visual rules for structuring an edit page](./assets/edit-example.svg)
+
+Without `read`:
+
+- Block the content with `withAuthZContent`, not the whole route.
+- Keep delete visible (rule 3).
+- Keep update blocked (rule 2).
+
+### Drawer
+
+![Visual rules for structuring a drawer](./assets/drawer-example.svg)
+
+Without `read`:
+
+- Block the drawer body, not the drawer itself.
+- Prefer routing that carries the resource ID in the URL, so delete stays reachable without `read`.
+- Keep update blocked (rule 2).
+- Watch for sub-resources the user may still be allowed to act on (rule 6).
+
+### Create
+
+Without `create`:
+
+| Entry point           | Gate with                                                     |
+| --------------------- | ------------------------------------------------------------- |
+| Button                | `AuthZButton`                                                 |
+| Dedicated create page | `withAuthZPage`                                               |
+| Create drawer opened directly (deep link) | `withAuthZContent` on the body + `AuthZButton` on footer actions |
+
+### Delete
+
+Gate the control with `AuthZButton`, or `AuthZTooltip` for a non-button trigger such as an icon or menu item.
+
+### Quick filters
+
+![Visual rules for structuring a page with quick filters](./assets/quick-filters-example.svg)
+
+## What "blocked" means
+
+Blocking is always a visible denial, never a silent removal. Use the components in
+[`lib/authz/components`](../src/lib/authz/components/README.md) rather than hand-rolling a check, they carry the
+denial message and the loading state.
+
+| Scope           | Component                                 | Denied state                                |
+| --------------- | ----------------------------------------- | ------------------------------------------- |
+| Button          | `AuthZButton`                             | Disabled + tooltip                          |
+| Any element      | `AuthZTooltip`                            | Disabled child + tooltip                    |
+| Section         | `withAuthZContent` / `AuthZGuardContent`  | Inline `PermissionDeniedCallout`            |
+| Page / route    | `withAuthZPage` / `AuthZGuardPage`        | `PermissionDeniedFullPage`                  |
+| Custom fallback | `withAuthZ` / `AuthZGuard`                | Whatever you pass as `fallback`             |
+
+Prefer the HOC (`withAuthZ*`); reach for the JSX guard (`AuthZGuard*`) when the gate depends on conditional rendering
+and an HOC cannot express it. The components README has the full decision tree and how to build the `checks` array.
+
+## Migration checklist
+
+Use the existing components. Create a new one only if none fit.
+
+- [ ] Can I apply a `withAuthZ*` variant directly, or must I extract the content into a component first?
+  - If extraction is needed, declare the new content component in the same file to keep the diff small, then move it
+    to its own file in a follow-up commit or PR.
+- [ ] Is the layout structured to respect the [core rules](#core-rules)?
+  - If not, raise it in the frontend Slack channel before reshaping the page.
+- [ ] Am I gating a shared component rather than a page or section?
+  - If so, it must stay functional with no permission. Example: the Query Builder works without field suggestions when
+    the user cannot read them.
+
+## Testing
+
+### Devtool
+
+Press `Cmd + K` (`Ctrl + K` on Windows/Linux) to open the shortcuts, search for `AuthZ`, and pick the first
+result. The devtool simulates granted and denied permissions across the UI.
+
+Available only in local development, it is stripped from production builds.
+
+### Unit tests
+
+[`lib/authz/utils/README.md`](../src/lib/authz/utils/README.md) covers the `*.authz.test.tsx` naming convention, the
+MSW handlers (`setupAuthzAdmin`, `setupAuthzDenyAll`, `setupAuthzDeny`, `setupAuthzAllow`,
+`setupAuthzGrantByPrefix`), and how to test the loading state.

frontend/src/components/LogDetail/index.tsx

@@ -438,7 +438,11 @@ function LogDetailInner({
 			destroyOnClose
 			closeIcon={<X size={16} style={{ marginTop: Spacing.MARGIN_1 }} />}
 		>
-			<div className="log-detail-drawer__content" data-log-detail-ignore="true">
+			<div
+				className="log-detail-drawer__content"
+				data-log-detail-ignore="true"
+				data-testid="log-detail-drawer"
+			>
 				<div className="log-detail-drawer__log">
 					<Divider type="vertical" className={cx('log-type-indicator', logType)} />
 					<Tooltip

frontend/src/components/QueryBuilderV2/QueryV2/QuerySearch/QuerySearch.tsx

@@ -49,7 +49,11 @@ import { unquote } from 'utils/stringUtils';
 import { getRecentQueries } from 'lib/recentQueries/getRecentQueries';
 import type { SignalType } from 'types/api/v5/queryRange';
 
-import { queryExamples, SUGGESTIONS_SECTION } from './constants';
+import {
+	queryExamples,
+	SUGGESTION_FETCH_DEBOUNCE_MS,
+	SUGGESTIONS_SECTION,
+} from './constants';
 import {
 	combineInitialAndUserExpression,
 	dedupeOptionsByLabel,
@@ -353,7 +357,7 @@ function QuerySearch({
 	);
 
 	const debouncedFetchKeySuggestions = useMemo(
-		() => debounce(fetchKeySuggestions, 300),
+		() => debounce(fetchKeySuggestions, SUGGESTION_FETCH_DEBOUNCE_MS),
 		[fetchKeySuggestions],
 	);
 
@@ -584,7 +588,7 @@ function QuerySearch({
 	);
 
 	const debouncedFetchValueSuggestions = useMemo(
-		() => debounce(fetchValueSuggestions, 300),
+		() => debounce(fetchValueSuggestions, SUGGESTION_FETCH_DEBOUNCE_MS),
 		[fetchValueSuggestions],
 	);
 

frontend/src/components/QueryBuilderV2/QueryV2/QuerySearch/constants.ts

@@ -1,6 +1,8 @@
 export const RECENTS_SECTION = { name: 'Recent searches', rank: 1 } as const;
 export const SUGGESTIONS_SECTION = { name: 'Suggestions', rank: 2 } as const;
 
+export const SUGGESTION_FETCH_DEBOUNCE_MS = 300;
+
 // TODO: move to using TelemetrytypesFieldContextDTO when we migrate getKeySuggestions API (Part of https://github.com/SigNoz/engineering-pod/issues/5289)
 export const FIELD_CONTEXTS = [
 	'attribute',

frontend/src/components/QueryBuilderV2/QueryV2/__tests__/QuerySearch.contextSuggestions.test.tsx

@@ -23,6 +23,13 @@ jest.mock('providers/Dashboard/store/useDashboardStore', () => ({
 	}),
 }));
 
+// Shrink the suggestion-fetch debounce (300ms in prod) so these integration
+// tests aren't paced by it; coalescing semantics stay intact.
+jest.mock('../QuerySearch/constants', () => ({
+	...jest.requireActual('../QuerySearch/constants'),
+	SUGGESTION_FETCH_DEBOUNCE_MS: 30,
+}));
+
 jest.mock('hooks/queryBuilder/useQueryBuilder', () => {
 	const handleRunQuery = jest.fn();
 	return {

frontend/src/components/TanStackTableView/TanStackCustomTableRow.tsx

@@ -88,6 +88,7 @@ function TanStackCustomTableRow<TData, TItemKey = string>({
 			{...props}
 			className={rowClassName}
 			style={rowStyle}
+			data-testid={context?.getRowTestId?.(rowData)}
 			onMouseEnter={handleMouseEnter}
 			onMouseLeave={clearHovered}
 		>
@@ -154,6 +155,12 @@ function areTableRowPropsEqual<TData, TItemKey = string>(
 			return false;
 		}
 
+		const prevTestId = prev.context?.getRowTestId?.(prevData) ?? '';
+		const nextTestId = next.context?.getRowTestId?.(nextData) ?? '';
+		if (prevTestId !== nextTestId) {
+			return false;
+		}
+
 		const prevStyle = prev.context?.getRowStyle?.(prevData);
 		const nextStyle = next.context?.getRowStyle?.(nextData);
 		if (prevStyle !== nextStyle) {

frontend/src/components/TanStackTableView/TanStackRow.tsx

@@ -33,7 +33,6 @@ function TanStackRowCellsInner<TData, TItemKey = string>({
 	// Stable references via destructuring, keep them as is
 	const onRowClick = context?.onRowClick;
 	const onRowClickNewTab = context?.onRowClickNewTab;
-	const onRowDeactivate = context?.onRowDeactivate;
 	const isRowActive = context?.isRowActive;
 	const getRowKeyData = context?.getRowKeyData;
 	const rowIndex = row.index;
@@ -52,21 +51,9 @@ function TanStackRowCellsInner<TData, TItemKey = string>({
 			}
 
 			const isActive = isRowActive?.(rowData) ?? false;
-			if (isActive && onRowDeactivate) {
-				onRowDeactivate();
-			} else {
-				onRowClick?.(rowData, itemKey);
-			}
+			onRowClick?.(rowData, itemKey, { isActive });
 		},
-		[
-			isRowActive,
-			onRowDeactivate,
-			onRowClick,
-			onRowClickNewTab,
-			rowData,
-			getRowKeyData,
-			rowIndex,
-		],
+		[isRowActive, onRowClick, onRowClickNewTab, rowData, getRowKeyData, rowIndex],
 	);
 
 	if (itemKind === 'expansion') {
@@ -120,7 +107,6 @@ function areRowCellsPropsEqual<TData>(
 		prev.columnVisibilityKey === next.columnVisibilityKey &&
 		prev.context?.onRowClick === next.context?.onRowClick &&
 		prev.context?.onRowClickNewTab === next.context?.onRowClickNewTab &&
-		prev.context?.onRowDeactivate === next.context?.onRowDeactivate &&
 		prev.context?.isRowActive === next.context?.isRowActive &&
 		prev.context?.getRowKeyData === next.context?.getRowKeyData &&
 		prev.context?.renderRowActions === next.context?.renderRowActions &&

frontend/src/components/TanStackTableView/TanStackTable.tsx

@@ -92,11 +92,11 @@ function TanStackTableInner<TData, TItemKey = string>(
 		getGroupKey,
 		getRowStyle,
 		getRowClassName,
+		getRowTestId,
 		isRowActive,
 		renderRowActions,
 		onRowClick,
 		onRowClickNewTab,
-		onRowDeactivate,
 		onSort,
 		activeRowIndex,
 		renderExpandedRow,
@@ -378,11 +378,11 @@ function TanStackTableInner<TData, TItemKey = string>(
 		() => ({
 			getRowStyle,
 			getRowClassName,
+			getRowTestId,
 			isRowActive,
 			renderRowActions,
 			onRowClick,
 			onRowClickNewTab,
-			onRowDeactivate,
 			renderExpandedRow,
 			getRowKeyData,
 			colCount: visibleColumnsCount,
@@ -396,11 +396,11 @@ function TanStackTableInner<TData, TItemKey = string>(
 		[
 			getRowStyle,
 			getRowClassName,
+			getRowTestId,
 			isRowActive,
 			renderRowActions,
 			onRowClick,
 			onRowClickNewTab,
-			onRowDeactivate,
 			renderExpandedRow,
 			getRowKeyData,
 			visibleColumnsCount,

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

@@ -85,7 +85,9 @@ describe('TanStackRowCells', () => {
 			</table>,
 		);
 		await user.click(screen.getAllByRole('cell')[0]);
-		expect(onRowClick).toHaveBeenCalledWith({ id: 'r1' }, 'r1');
+		expect(onRowClick).toHaveBeenCalledWith({ id: 'r1' }, 'r1', {
+			isActive: false,
+		});
 	});
 
 	it('fires onRowClick with empty itemKey when getRowKeyData is not provided', async () => {
@@ -117,17 +119,19 @@ describe('TanStackRowCells', () => {
 			</table>,
 		);
 		await user.click(screen.getAllByRole('cell')[0]);
-		expect(onRowClick).toHaveBeenCalledWith({ id: 'r1' }, '');
+		expect(onRowClick).toHaveBeenCalledWith({ id: 'r1' }, '', {
+			isActive: false,
+		});
 	});
 
-	it('calls onRowDeactivate instead of onRowClick when row is active', async () => {
+	it('calls onRowClick with isActive: true when the row is active', async () => {
+		// The table no longer owns open/close — it reports the active state and the
+		// consumer routes the click. An active row must still fire onRowClick.
 		const user = userEvent.setup();
 		const onRowClick = jest.fn();
-		const onRowDeactivate = jest.fn();
 		const ctx: TableRowContext<Row> = {
 			colCount: 1,
 			onRowClick,
-			onRowDeactivate,
 			isRowActive: () => true,
 			getRowKeyData: () => ({ finalKey: 'r1', itemKey: 'r1' }),
 			hasSingleColumn: false,
@@ -152,8 +156,44 @@ describe('TanStackRowCells', () => {
 			</table>,
 		);
 		await user.click(screen.getAllByRole('cell')[0]);
-		expect(onRowDeactivate).toHaveBeenCalled();
-		expect(onRowClick).not.toHaveBeenCalled();
+		expect(onRowClick).toHaveBeenCalledWith({ id: 'r1' }, 'r1', {
+			isActive: true,
+		});
+	});
+
+	it('calls onRowClick with isActive: false when the row is not active', async () => {
+		const user = userEvent.setup();
+		const onRowClick = jest.fn();
+		const ctx: TableRowContext<Row> = {
+			colCount: 1,
+			onRowClick,
+			isRowActive: () => false,
+			getRowKeyData: () => ({ finalKey: 'r1', itemKey: 'r1' }),
+			hasSingleColumn: false,
+			columnOrderKey: '',
+			columnVisibilityKey: '',
+		};
+		const row = buildMockRow([{ id: 'body' }]);
+		render(
+			<table>
+				<tbody>
+					<tr>
+						<TanStackRowCells<Row>
+							row={row as never}
+							context={ctx}
+							itemKind="row"
+							hasSingleColumn={false}
+							columnOrderKey=""
+							columnVisibilityKey=""
+						/>
+					</tr>
+				</tbody>
+			</table>,
+		);
+		await user.click(screen.getAllByRole('cell')[0]);
+		expect(onRowClick).toHaveBeenCalledWith({ id: 'r1' }, 'r1', {
+			isActive: false,
+		});
 	});
 
 	it('does not render renderRowActions before hover', () => {

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

@@ -611,6 +611,7 @@ describe('TanStackTableView Integration', () => {
 			expect(onRowClick).toHaveBeenCalledWith(
 				expect.objectContaining({ id: '1', name: 'Item 1' }),
 				'1',
+				{ isActive: false },
 			);
 		});
 
@@ -639,6 +640,7 @@ describe('TanStackTableView Integration', () => {
 			expect(onRowClick).toHaveBeenCalledWith(
 				expect.objectContaining({ id: '1', name: 'Item 1' }),
 				{ id: '1', name: 'Item 1' },
+				{ isActive: false },
 			);
 		});
 
@@ -659,15 +661,15 @@ describe('TanStackTableView Integration', () => {
 			expect(row).toHaveClass('tableRowActive');
 		});
 
-		it('calls onRowDeactivate when clicking active row', async () => {
+		it('calls onRowClick with isActive: true when clicking the active row', async () => {
+			// The consumer owns open/close routing — the table just reports the
+			// active state via the click context.
 			const user = userEvent.setup();
 			const onRowClick = jest.fn();
-			const onRowDeactivate = jest.fn();
 
 			renderTanStackTable({
 				props: {
 					onRowClick,
-					onRowDeactivate,
 					isRowActive: (row) => row.id === '1',
 				},
 			});
@@ -678,8 +680,11 @@ describe('TanStackTableView Integration', () => {
 
 			await user.click(screen.getByText('Item 1'));
 
-			expect(onRowDeactivate).toHaveBeenCalled();
-			expect(onRowClick).not.toHaveBeenCalled();
+			expect(onRowClick).toHaveBeenCalledWith(
+				expect.objectContaining({ id: '1' }),
+				expect.anything(),
+				{ isActive: true },
+			);
 		});
 
 		it('opens in new tab on ctrl+click', async () => {

frontend/src/components/TanStackTableView/index.tsx

@@ -116,9 +116,11 @@ export * from './useTableParams';
  *   getItemKey={(row) => row.id}
  *   isRowActive={(row) => row.id === selectedId}
  *   activeRowIndex={selectedIndex}
- *   onRowClick={(row, itemKey) => setSelectedId(itemKey)}
+ *   // The table reports the click + the row's active state; the consumer owns open/close.
+ *   onRowClick={(row, itemKey, { isActive }) =>
+ *     setSelectedId(isActive ? undefined : itemKey)
+ *   }
  *   onRowClickNewTab={(row, itemKey) => openInNewTab(itemKey)}
- *   onRowDeactivate={() => setSelectedId(undefined)}
  *   getRowClassName={(row) => (row.severity === 'error' ? 'row-error' : '')}
  *   getRowStyle={(row) => (row.dimmed ? { opacity: 0.5 } : {})}
  *   renderRowActions={(row) => <Button size="small">Open</Button>}

frontend/src/components/TanStackTableView/types.ts

@@ -81,15 +81,19 @@ export type FlatItem<TData> =
 	| { kind: 'row'; row: TanStackRowType<TData> }
 	| { kind: 'expansion'; row: TanStackRowType<TData> };
 
+export type RowClickContext = {
+	isActive: boolean;
+};
+
 export type TableRowContext<TData, TItemKey = string> = {
 	getRowStyle?: (row: TData) => CSSProperties;
 	getRowClassName?: (row: TData) => string;
+	getRowTestId?: (row: TData) => string;
 	isRowActive?: (row: TData) => boolean;
 	renderRowActions?: (row: TData) => ReactNode;
-	onRowClick?: (row: TData, itemKey: TItemKey) => void;
+	onRowClick?: (row: TData, itemKey: TItemKey, context: RowClickContext) => void;
 	/** Called when ctrl+click or cmd+click on a row */
 	onRowClickNewTab?: (row: TData, itemKey: TItemKey) => void;
-	onRowDeactivate?: () => void;
 	renderExpandedRow?: (
 		row: TData,
 		rowKey: string,
@@ -178,12 +182,12 @@ export type TanStackTableProps<TData, TItemKey = string> = {
 	getGroupKey?: (row: TData) => Record<string, string>;
 	getRowStyle?: (row: TData) => CSSProperties;
 	getRowClassName?: (row: TData) => string;
+	getRowTestId?: (row: TData) => string;
 	isRowActive?: (row: TData) => boolean;
 	renderRowActions?: (row: TData) => ReactNode;
-	onRowClick?: (row: TData, itemKey: TItemKey) => void;
+	onRowClick?: (row: TData, itemKey: TItemKey, context: RowClickContext) => void;
 	/** Called when ctrl+click or cmd+click on a row */
 	onRowClickNewTab?: (row: TData, itemKey: TItemKey) => void;
-	onRowDeactivate?: () => void;
 	activeRowIndex?: number;
 	renderExpandedRow?: (
 		row: TData,

frontend/src/container/LiveLogs/LiveLogsList/LiveLogsList.styles.scss

@@ -60,3 +60,7 @@
 		}
 	}
 }
+
+.logs-linked-row td {
+	background-color: var(--row-active-bg) !important;
+}

frontend/src/container/LiveLogs/LiveLogsList/index.tsx

@@ -204,6 +204,9 @@ function LiveLogsList({
 							data={formattedLogs}
 							isLoading={false}
 							isRowActive={(log): boolean => log.id === activeLog?.id}
+							getRowClassName={(log): string =>
+								log.id === activeLogId ? 'logs-linked-row' : ''
+							}
 							getRowStyle={(log): CSSProperties =>
 								({
 									'--row-active-bg': getRowBackgroundColor(
@@ -216,10 +219,13 @@ function LiveLogsList({
 									),
 								}) as CSSProperties
 							}
-							onRowClick={(log): void => {
-								handleSetActiveLog(log);
+							onRowClick={(log, _itemKey, { isActive }): void => {
+								if (isActive) {
+									handleCloseLogDetail();
+								} else {
+									handleSetActiveLog(log);
+								}
 							}}
-							onRowDeactivate={handleCloseLogDetail}
 							activeRowIndex={activeLogIndex}
 							renderRowActions={(log): ReactNode => (
 								<LogLinesActionButtons

frontend/src/container/LogsExplorerList/LogsExplorerList.style.scss

@@ -323,3 +323,7 @@
 		}
 	}
 }
+
+.logs-linked-row td {
+	background-color: var(--row-active-bg) !important;
+}

frontend/src/container/LogsExplorerList/index.tsx

@@ -211,9 +211,11 @@ function LogsExplorerList({
 					data={logs}
 					isLoading={isLoading || isFetching}
 					onEndReached={onEndReached}
-					isRowActive={(log): boolean =>
-						log.id === activeLog?.id || log.id === activeLogId
+					isRowActive={(log): boolean => log.id === activeLog?.id}
+					getRowClassName={(log): string =>
+						log.id === activeLogId ? 'logs-linked-row' : ''
 					}
+					getRowTestId={(log): string => `logs-table-row-${log.id}`}
 					getRowStyle={(log): CSSProperties =>
 						({
 							'--row-active-bg': getRowBackgroundColor(
@@ -226,10 +228,13 @@ function LogsExplorerList({
 							),
 						}) as CSSProperties
 					}
-					onRowClick={(log): void => {
-						handleSetActiveLog(log);
+					onRowClick={(log, _itemKey, { isActive }): void => {
+						if (isActive) {
+							handleCloseLogDetail();
+						} else {
+							handleSetActiveLog(log);
+						}
 					}}
-					onRowDeactivate={handleCloseLogDetail}
 					activeRowIndex={activeLogIndex}
 					renderRowActions={(log): ReactNode => (
 						<LogLinesActionButtons
@@ -282,6 +287,7 @@ function LogsExplorerList({
 		options.maxLines,
 		options.fontSize,
 		activeLogIndex,
+		activeLogId,
 		logs,
 		onEndReached,
 		getItemContent,

frontend/src/hooks/useCopyToClipboard.ts

@@ -1,62 +0,0 @@
-import { useCallback, useEffect, useRef, useState } from 'react';
-
-const DEFAULT_COPIED_RESET_MS = 2000;
-
-export interface UseCopyToClipboardOptions {
-	/** How long (ms) to keep "copied" state before resetting. Default 2000. */
-	copiedResetMs?: number;
-}
-
-export type ID = number | string | null;
-
-export interface UseCopyToClipboardReturn {
-	/** Copy text to clipboard. Pass an optional id to track which item was copied (e.g. seriesIndex). */
-	copyToClipboard: (text: string, id?: ID) => void;
-	/** True when something was just copied and still within the reset threshold. */
-	isCopied: boolean;
-	/** The id passed to the last successful copy, or null after reset. Use to show "copied" state for a specific item (e.g. copiedId === item.seriesIndex). */
-	id: ID;
-}
-
-export function useCopyToClipboard(
-	options: UseCopyToClipboardOptions = {},
-): UseCopyToClipboardReturn {
-	const { copiedResetMs = DEFAULT_COPIED_RESET_MS } = options;
-	const [state, setState] = useState<{ isCopied: boolean; id: ID }>({
-		isCopied: false,
-		id: null,
-	});
-	const timeoutRef = useRef<ReturnType<typeof setTimeout> | null>(null);
-
-	useEffect(() => {
-		return (): void => {
-			if (timeoutRef.current) {
-				clearTimeout(timeoutRef.current);
-				timeoutRef.current = null;
-			}
-		};
-	}, []);
-
-	const copyToClipboard = useCallback(
-		(text: string, id?: ID): void => {
-			// oxlint-disable-next-line signoz/no-navigator-clipboard
-			navigator.clipboard.writeText(text).then(() => {
-				if (timeoutRef.current) {
-					clearTimeout(timeoutRef.current);
-				}
-				setState({ isCopied: true, id: id ?? null });
-				timeoutRef.current = setTimeout(() => {
-					setState({ isCopied: false, id: null });
-					timeoutRef.current = null;
-				}, copiedResetMs);
-			});
-		},
-		[copiedResetMs],
-	);
-
-	return {
-		copyToClipboard,
-		isCopied: state.isCopied,
-		id: state.id,
-	};
-}

frontend/src/lib/uPlotV2/components/Legend/Legend.tsx

@@ -1,13 +1,11 @@
 import { useCallback, useMemo, useRef, useState } from 'react';
 import { VirtuosoGrid } from 'react-virtuoso';
 import { Input } from 'antd';
-import { Button } from '@signozhq/ui/button';
 import { TooltipSimple } from '@signozhq/ui/tooltip';
 import cx from 'classnames';
-import { useCopyToClipboard } from 'hooks/useCopyToClipboard';
 import { useResizeObserver } from 'hooks/useDimensions';
 import { LegendItem } from 'lib/uPlotV2/config/types';
-import { Check, Copy } from '@signozhq/icons';
+import CopyButton from 'periscope/components/CopyButton/CopyButton';
 
 import { LegendPosition, LegendProps } from '../types';
 
@@ -33,7 +31,6 @@ export default function Legend({
 }: LegendProps): JSX.Element {
 	const legendContainerRef = useRef<HTMLDivElement | null>(null);
 	const [legendSearchQuery, setLegendSearchQuery] = useState('');
-	const { copyToClipboard, id: copiedId } = useCopyToClipboard();
 
 	// Search is intrinsic to the right-positioned legend.
 	const searchEnabled = position === LegendPosition.RIGHT;
@@ -57,17 +54,8 @@ export default function Legend({
 		return items.filter((item) => item.label?.toLowerCase().includes(query));
 	}, [searchEnabled, legendSearchQuery, items]);
 
-	const handleCopyLegendItem = useCallback(
-		(e: React.MouseEvent, seriesIndex: number, label: string): void => {
-			e.stopPropagation();
-			copyToClipboard(label, seriesIndex);
-		},
-		[copyToClipboard],
-	);
-
 	const renderLegendItem = useCallback(
 		(item: LegendItem): JSX.Element => {
-			const isCopied = copiedId === item.seriesIndex;
 			// `color` is uPlot's stroke union (string | fn | gradient); only a string
 			// is a usable CSS colour for the marker.
 			const markerColor = typeof item.color === 'string' ? item.color : undefined;
@@ -91,36 +79,18 @@ export default function Legend({
 						</div>
 					</TooltipSimple>
 					{showCopy && (
-						<TooltipSimple
-							title={isCopied ? 'Copied' : 'Copy'}
-							arrow
-							side="top"
-							disableHoverableContent
-						>
-							<Button
-								type="button"
-								size="icon"
-								variant="ghost"
-								color="secondary"
-								className="legend-copy-button"
-								onClick={(e): void =>
-									handleCopyLegendItem(e, item.seriesIndex, item.label ?? '')
-								}
-								aria-label={`Copy ${item.label}`}
-								// data-testid (not testId): TooltipSimple's trigger injects
-								// data-testid:undefined via Radix Slot, and Button spreads
-								// incoming props after its own testId — so set it as a prop
-								// that wins the Slot merge and survives the spread.
-								data-testid="legend-copy"
-							>
-								{isCopied ? <Check size={12} /> : <Copy size={12} />}
-							</Button>
-						</TooltipSimple>
+						<CopyButton
+							value={item.label ?? ''}
+							size={12}
+							className="legend-copy-button"
+							ariaLabel={`Copy ${item.label}`}
+							testId="legend-copy"
+						/>
 					)}
 				</div>
 			);
 		},
-		[copiedId, focusedSeriesIndex, handleCopyLegendItem, position, showCopy],
+		[focusedSeriesIndex, position, showCopy],
 	);
 
 	const isEmptyState = useMemo(() => {

frontend/src/lib/uPlotV2/components/__tests__/UPlotLegend.test.tsx

@@ -1,11 +1,5 @@
 import React from 'react';
-import {
-	fireEvent,
-	render,
-	RenderResult,
-	screen,
-	within,
-} from '@testing-library/react';
+import { render, RenderResult, screen } from '@testing-library/react';
 import userEvent from '@testing-library/user-event';
 import { TooltipProvider } from '@signozhq/ui/tooltip';
 import { LegendItem } from 'lib/uPlotV2/config/types';
@@ -15,9 +9,6 @@ import { useLegendActions } from '../../hooks/useLegendActions';
 import UPlotLegend from '../Legend/UPlotLegend';
 import { LegendPosition } from '../types';
 
-const mockWriteText = jest.fn().mockResolvedValue(undefined);
-let clipboardSpy: jest.SpyInstance | undefined;
-
 jest.mock('react-virtuoso', () => ({
 	VirtuosoGrid: ({
 		data,
@@ -49,15 +40,6 @@ const mockUseLegendActions = useLegendActions as jest.MockedFunction<
 >;
 
 describe('UPlotLegend', () => {
-	beforeAll(() => {
-		// JSDOM does not define navigator.clipboard; add it so we can spy on writeText
-		Object.defineProperty(navigator, 'clipboard', {
-			value: { writeText: () => Promise.resolve() },
-			writable: true,
-			configurable: true,
-		});
-	});
-
 	const baseLegendItemsMap = {
 		0: {
 			seriesIndex: 0,
@@ -89,11 +71,6 @@ describe('UPlotLegend', () => {
 		onLegendMouseMove = jest.fn();
 		onLegendMouseLeave = jest.fn();
 		onFocusSeries = jest.fn();
-		mockWriteText.mockClear();
-
-		clipboardSpy = jest
-			.spyOn(navigator.clipboard, 'writeText')
-			.mockImplementation(mockWriteText);
 
 		mockUseLegendsSync.mockReturnValue({
 			legendItemsMap: baseLegendItemsMap,
@@ -110,7 +87,6 @@ describe('UPlotLegend', () => {
 	});
 
 	afterEach(() => {
-		clipboardSpy?.mockRestore();
 		jest.clearAllMocks();
 	});
 
@@ -237,47 +213,4 @@ describe('UPlotLegend', () => {
 			expect(onLegendMouseLeave).toHaveBeenCalledTimes(1);
 		});
 	});
-
-	describe('copy action', () => {
-		it('copies the legend label to clipboard when copy button is clicked', () => {
-			renderLegend(LegendPosition.RIGHT);
-
-			const firstLegendItem = document.querySelector(
-				'[data-legend-item-id="0"]',
-			) as HTMLElement;
-			const copyButton = within(firstLegendItem).getByTestId('legend-copy');
-
-			fireEvent.click(copyButton);
-
-			expect(mockWriteText).toHaveBeenCalledTimes(1);
-			expect(mockWriteText).toHaveBeenCalledWith('A');
-		});
-
-		it('copies the correct label when copy is clicked on a different legend item', () => {
-			renderLegend(LegendPosition.RIGHT);
-
-			const thirdLegendItem = document.querySelector(
-				'[data-legend-item-id="2"]',
-			) as HTMLElement;
-			const copyButton = within(thirdLegendItem).getByTestId('legend-copy');
-
-			fireEvent.click(copyButton);
-
-			expect(mockWriteText).toHaveBeenCalledTimes(1);
-			expect(mockWriteText).toHaveBeenCalledWith('C');
-		});
-
-		it('does not call onLegendClick when copy button is clicked', () => {
-			renderLegend(LegendPosition.RIGHT);
-
-			const firstLegendItem = document.querySelector(
-				'[data-legend-item-id="0"]',
-			) as HTMLElement;
-			const copyButton = within(firstLegendItem).getByTestId('legend-copy');
-
-			fireEvent.click(copyButton);
-
-			expect(onLegendClick).not.toHaveBeenCalled();
-		});
-	});
 });

frontend/src/periscope/components/CopyButton/CopyButton.tsx

@@ -1,10 +1,10 @@
-import { CSSProperties, useCallback } from 'react';
+import { CSSProperties, type MouseEvent, useCallback } from 'react';
 import { Check, Copy } from '@signozhq/icons';
 import { Button } from '@signozhq/ui/button';
 import cx from 'classnames';
-import { useCopyToClipboard } from 'hooks/useCopyToClipboard';
 
 import styles from './CopyButton.module.scss';
+import { useCopyButton } from './useCopyButton';
 
 export interface CopyButtonProps {
 	/** Text written to the clipboard on click. */
@@ -30,11 +30,15 @@ function CopyButton({
 	className,
 	testId,
 }: CopyButtonProps): JSX.Element {
-	const { copyToClipboard, isCopied } = useCopyToClipboard();
+	const { copyToClipboard, isCopied } = useCopyButton();
 
-	const handleClick = useCallback((): void => {
-		copyToClipboard(value);
-	}, [copyToClipboard, value]);
+	const handleClick = useCallback(
+		(e: MouseEvent<HTMLButtonElement>): void => {
+			e.stopPropagation();
+			copyToClipboard(value);
+		},
+		[copyToClipboard, value],
+	);
 
 	const stackStyle: CSSProperties = { width: size, height: size };
 

frontend/src/periscope/components/CopyButton/__test__/CopyButton.test.tsx

@@ -0,0 +1,65 @@
+import { act, render, screen } from '@testing-library/react';
+import userEvent from '@testing-library/user-event';
+
+import CopyButton from '../CopyButton';
+
+const mockCopy = jest.fn();
+
+// Exercise the real useCopyButton — stub only react-use's underlying copy so the
+// click doesn't hit copy-to-clipboard's jsdom fallback (window.prompt).
+jest.mock('react-use', () => ({
+	...jest.requireActual('react-use'),
+	useCopyToClipboard: (): [unknown, jest.Mock] => [null, mockCopy],
+}));
+
+describe('CopyButton', () => {
+	let user: ReturnType<typeof userEvent.setup>;
+
+	beforeEach(() => {
+		jest.useFakeTimers();
+		user = userEvent.setup({ advanceTimers: jest.advanceTimersByTime });
+		mockCopy.mockClear();
+	});
+
+	afterEach(() => {
+		jest.runOnlyPendingTimers();
+		jest.useRealTimers();
+	});
+
+	it('copies its value on click', async () => {
+		render(<CopyButton value="hello" testId="copy" />);
+
+		await user.click(screen.getByTestId('copy'));
+
+		expect(mockCopy).toHaveBeenCalledWith('hello');
+	});
+
+	it('does not trigger parent click handlers (stops propagation)', async () => {
+		const onParentClick = jest.fn();
+		render(
+			// oxlint-disable-next-line jsx-a11y/no-static-element-interactions, jsx-a11y/click-events-have-key-events
+			<div onClick={onParentClick}>
+				<CopyButton value="x" testId="copy" />
+			</div>,
+		);
+
+		await user.click(screen.getByTestId('copy'));
+
+		expect(onParentClick).not.toHaveBeenCalled();
+	});
+
+	it('shows the copied state after clicking and reverts after the reset window', async () => {
+		const { container } = render(<CopyButton value="hello" testId="copy" />);
+		const iconStack = container.querySelector('[data-copied]') as HTMLElement;
+
+		expect(iconStack).toHaveAttribute('data-copied', 'false');
+
+		await user.click(screen.getByTestId('copy'));
+		expect(iconStack).toHaveAttribute('data-copied', 'true');
+
+		act(() => {
+			jest.runOnlyPendingTimers();
+		});
+		expect(iconStack).toHaveAttribute('data-copied', 'false');
+	});
+});

frontend/src/periscope/components/CopyButton/constants.ts

@@ -0,0 +1,2 @@
+/** How long (ms) CopyButton stays in the "copied" state before reverting. */
+export const COPIED_RESET_MS = 1000;

frontend/src/periscope/components/CopyButton/useCopyButton.ts

@@ -0,0 +1,44 @@
+import { useCallback, useEffect, useRef, useState } from 'react';
+import { useCopyToClipboard } from 'react-use';
+
+import { COPIED_RESET_MS } from './constants';
+
+export interface UseCopyButtonReturn {
+	copyToClipboard: (text: string) => void;
+	isCopied: boolean;
+}
+
+export function useCopyButton(): UseCopyButtonReturn {
+	const [, copy] = useCopyToClipboard();
+	const [isCopied, setIsCopied] = useState(false);
+	const timeoutRef = useRef<ReturnType<typeof setTimeout> | null>(null);
+
+	useEffect(() => {
+		return (): void => {
+			if (timeoutRef.current) {
+				clearTimeout(timeoutRef.current);
+				timeoutRef.current = null;
+			}
+		};
+	}, []);
+
+	const copyToClipboard = useCallback(
+		(text: string): void => {
+			copy(text);
+			if (timeoutRef.current) {
+				clearTimeout(timeoutRef.current);
+			}
+			setIsCopied(true);
+			timeoutRef.current = setTimeout(() => {
+				setIsCopied(false);
+				timeoutRef.current = null;
+			}, COPIED_RESET_MS);
+		},
+		[copy],
+	);
+
+	return {
+		copyToClipboard,
+		isCopied,
+	};
+}

tests/e2e/helpers/logs-explorer.ts

@@ -0,0 +1,112 @@
+import { expect, type Locator, type Page } from '@playwright/test';
+
+import { dismissQuickFiltersAnnouncement } from './quick-filters';
+
+const LOGS_EXPLORER_PATH = '/logs/logs-explorer';
+
+const RELATIVE_TIME = '6h';
+
+const FORMAT_OPTIONS_TEST_ID = 'periscope-btn-format-options';
+
+const ROW_TEST_ID_PREFIX = 'logs-table-row-';
+
+const LOG_DETAIL_DRAWER_TEST_ID = 'log-detail-drawer';
+export const LINKED_ROW_CLASS = 'logs-linked-row';
+
+type LogsFormat = 'Raw' | 'Default' | 'Column';
+
+const FORMAT_MODES: Record<LogsFormat, string> = {
+	Raw: 'raw',
+	Default: 'list',
+	Column: 'table',
+};
+
+export async function gotoLogsExplorer(page: Page): Promise<void> {
+	await dismissQuickFiltersAnnouncement(page);
+	await page.goto(`${LOGS_EXPLORER_PATH}?relativeTime=${RELATIVE_TIME}`);
+	await expect(page.getByTestId(FORMAT_OPTIONS_TEST_ID)).toBeVisible();
+}
+
+export async function setLogsFormat(
+	page: Page,
+	format: LogsFormat,
+): Promise<void> {
+	const trigger = page.getByTestId(FORMAT_OPTIONS_TEST_ID);
+	const popover = page.locator('.format-options-popover');
+	const appliedMode = new RegExp(`%22format%22%3A%22${FORMAT_MODES[format]}%22`);
+
+	await expect(async () => {
+		if (!(await popover.isVisible())) {
+			await trigger.click();
+			await expect(popover).toBeVisible();
+		}
+		await popover
+			.locator('.menu-items .item')
+			.filter({ hasText: format })
+			.click();
+		await expect(page).toHaveURL(appliedMode, { timeout: 3_000 });
+	}).toPass({ timeout: 20_000 });
+
+	await trigger.click();
+	await expect(popover).toBeHidden();
+}
+
+export function logsTableRows(page: Page): Locator {
+	return page.locator(`[data-testid^="${ROW_TEST_ID_PREFIX}"]`);
+}
+
+export function logsTableRow(page: Page, logId: string): Locator {
+	return page.getByTestId(`${ROW_TEST_ID_PREFIX}${logId}`);
+}
+
+export function highlightedLogsTableRows(page: Page): Locator {
+	return logsTableRows(page).and(page.locator(`.${LINKED_ROW_CLASS}`));
+}
+
+export function unhighlightedLogsTableRows(page: Page): Locator {
+	return page.locator(
+		`[data-testid^="${ROW_TEST_ID_PREFIX}"]:not(.${LINKED_ROW_CLASS})`,
+	);
+}
+
+export function activeLogIdFromUrl(page: Page): string {
+	const value = new URL(page.url()).searchParams.get('activeLogId');
+	if (!value) {
+		throw new Error(`No activeLogId in URL: ${page.url()}`);
+	}
+	return value.replace(/"/g, '');
+}
+
+export function logDetailsDrawer(page: Page): Locator {
+	return page.getByTestId(LOG_DETAIL_DRAWER_TEST_ID);
+}
+
+export async function clickRowFirstCell(row: Locator): Promise<void> {
+	await row.locator('td').first().click();
+}
+
+export async function openLogDetailsFromRow(row: Locator): Promise<void> {
+	await clickRowFirstCell(row);
+	await expect(logDetailsDrawer(row.page())).toBeVisible();
+}
+
+export async function openContextView(page: Page): Promise<void> {
+	await page
+		.locator('.views-tabs')
+		.getByText('Context', { exact: true })
+		.click();
+	await expect(contextLogItems(page).first()).toBeVisible();
+}
+
+function contextLogItems(page: Page): Locator {
+	return page.locator('.context-log-renderer__item');
+}
+
+export async function openFirstContextLogInNewTab(page: Page): Promise<Page> {
+	const [newPage] = await Promise.all([
+		page.context().waitForEvent('page'),
+		contextLogItems(page).first().click(),
+	]);
+	await newPage.waitForLoadState();
+	return newPage;
+}

tests/e2e/tests/logs-explorer/linked-row-click.spec.ts

@@ -0,0 +1,49 @@
+import { expect, test } from '../../fixtures/auth';
+import {
+	activeLogIdFromUrl,
+	clickRowFirstCell,
+	gotoLogsExplorer,
+	highlightedLogsTableRows,
+	LINKED_ROW_CLASS,
+	logDetailsDrawer,
+	logsTableRow,
+	logsTableRows,
+	openFirstContextLogInNewTab,
+	openContextView,
+	openLogDetailsFromRow,
+	setLogsFormat,
+	unhighlightedLogsTableRows,
+} from '../../helpers/logs-explorer';
+
+test.describe('Logs Explorer — linked row in Column format', () => {
+	test('TC-01 the linked row in a newly opened tab is highlighted and toggles the details drawer on click', async ({
+		authedPage: page,
+	}) => {
+		await gotoLogsExplorer(page);
+		await setLogsFormat(page, 'Column');
+
+		const rows = logsTableRows(page);
+		await expect(rows.first()).toBeVisible();
+		await expect(highlightedLogsTableRows(page)).toHaveCount(0);
+
+		await openLogDetailsFromRow(rows.first());
+		await openContextView(page);
+
+		const linkedTab = await openFirstContextLogInNewTab(page);
+		await expect(linkedTab).toHaveURL(/activeLogId=/);
+
+		const linkedLogId = activeLogIdFromUrl(linkedTab);
+		const linkedRow = logsTableRow(linkedTab, linkedLogId);
+		await expect(linkedRow).toBeVisible();
+		await expect(linkedRow).toHaveClass(new RegExp(LINKED_ROW_CLASS));
+
+		await expect(highlightedLogsTableRows(linkedTab)).toHaveCount(1);
+		await expect(unhighlightedLogsTableRows(linkedTab).first()).toBeVisible();
+
+		await expect(logDetailsDrawer(linkedTab)).toBeHidden();
+		await openLogDetailsFromRow(linkedRow);
+
+		await clickRowFirstCell(linkedRow);
+		await expect(logDetailsDrawer(linkedTab)).toBeHidden();
+	});
+});