diff --git a/blocksuite/affine/data-view/src/__tests__/kanban.unit.spec.ts b/blocksuite/affine/data-view/src/__tests__/kanban.unit.spec.ts
index ab12f85c0..c0504f4da 100644
--- a/blocksuite/affine/data-view/src/__tests__/kanban.unit.spec.ts
+++ b/blocksuite/affine/data-view/src/__tests__/kanban.unit.spec.ts
@@ -9,6 +9,7 @@ import { groupByMatchers } from '../core/group-by/define.js';
 import { GroupTrait, sortByManually } from '../core/group-by/trait.js';
 import { t } from '../core/logical/type-presets.js';
 import type { DataViewCellLifeCycle } from '../core/property/index.js';
+import type { Row } from '../core/view-manager/row.js';
 import { checkboxPropertyModelConfig } from '../property-presets/checkbox/define.js';
 import { multiSelectPropertyModelConfig } from '../property-presets/multi-select/define.js';
 import { selectPropertyModelConfig } from '../property-presets/select/define.js';
@@ -26,7 +27,6 @@ import {
 import type { KanbanCard } from '../view-presets/kanban/pc/card.js';
 import { KanbanDragController } from '../view-presets/kanban/pc/controller/drag.js';
 import type { KanbanGroup } from '../view-presets/kanban/pc/group.js';
-import type { Row } from '../core/view-manager/row.js';
 
 type Column = {
   id: string;
diff --git a/packages/frontend/core/src/desktop/dialogs/setting/account-setting/integrations-panel.spec.tsx b/packages/frontend/core/src/desktop/dialogs/setting/account-setting/integrations-panel.spec.tsx
new file mode 100644
index 000000000..069ad5ae9
--- /dev/null
+++ b/packages/frontend/core/src/desktop/dialogs/setting/account-setting/integrations-panel.spec.tsx
@@ -0,0 +1,330 @@
+/**
+ * @vitest-environment happy-dom
+ */
+
+import {
+  cleanup,
+  fireEvent,
+  render,
+  screen,
+  waitFor,
+} from '@testing-library/react';
+import type * as Infra from '@toeverything/infra';
+import type { InputHTMLAttributes, MouseEventHandler, ReactNode } from 'react';
+import { afterEach, beforeEach, describe, expect, test, vi } from 'vitest';
+
+const gqlMock = vi.hoisted(() => vi.fn());
+const openExternal = vi.hoisted(() => vi.fn());
+const mutateAccounts = vi.hoisted(() => vi.fn(async () => undefined));
+const mutateProviders = vi.hoisted(() => vi.fn(async () => undefined));
+const workspaceState = vi.hoisted(() => ({
+  flavour: 'cloud',
+}));
+const queryState = vi.hoisted(() => ({
+  accounts: [] as {
+    id: string;
+    provider: string;
+    displayName: string | null;
+    email: string | null;
+    calendarsCount: number;
+    status: string;
+    lastError: string | null;
+  }[],
+  providers: [] as string[],
+  caldavProviders: [] as {
+    id: string;
+    label: string;
+    docsUrl?: string | null;
+    requiresAppPassword?: boolean;
+  }[],
+}));
+const GraphQLServiceToken = vi.hoisted(() => class GraphQLService {});
+const UrlServiceToken = vi.hoisted(() => class UrlService {});
+const WorkspaceServiceToken = vi.hoisted(() => class WorkspaceService {});
+
+const CalendarProviderType = vi.hoisted(
+  () =>
+    ({
+      Google: 'Google',
+      CalDAV: 'CalDAV',
+    }) as const
+);
+
+const calendarAccountsQuery = vi.hoisted(() => Symbol('calendarAccountsQuery'));
+const calendarProvidersQuery = vi.hoisted(() =>
+  Symbol('calendarProvidersQuery')
+);
+const linkCalendarAccountMutation = vi.hoisted(() =>
+  Symbol('linkCalendarAccountMutation')
+);
+const unlinkCalendarAccountMutation = vi.hoisted(() =>
+  Symbol('unlinkCalendarAccountMutation')
+);
+const linkCalDavAccountMutation = vi.hoisted(() =>
+  Symbol('linkCalDavAccountMutation')
+);
+
+vi.mock('@affine/component', () => ({
+  Button: ({
+    children,
+    onClick,
+    disabled,
+  }: {
+    children: ReactNode;
+    onClick?: MouseEventHandler<HTMLButtonElement>;
+    disabled?: boolean;
+  }) => (
+    <button disabled={disabled} onClick={onClick}>
+      {children}
+    </button>
+  ),
+  Input: (props: InputHTMLAttributes<HTMLInputElement>) => <input {...props} />,
+  Loading: () => <div>loading</div>,
+  Menu: ({ children, items }: { children: ReactNode; items: ReactNode }) => (
+    <div>
+      {children}
+      <div>{items}</div>
+    </div>
+  ),
+  MenuItem: ({
+    children,
+    onSelect,
+  }: {
+    children: ReactNode;
+    onSelect?: () => void;
+  }) => <button onClick={onSelect}>{children}</button>,
+  Modal: ({ open, children }: { open: boolean; children: ReactNode }) =>
+    open ? <div>{children}</div> : null,
+  notify: {
+    error: vi.fn(),
+  },
+}));
+
+vi.mock('@affine/core/components/hooks/use-query', () => ({
+  useQuery: ({ query }: { query: symbol }) => {
+    if (query === calendarAccountsQuery) {
+      return {
+        data: {
+          currentUser: {
+            calendarAccounts: queryState.accounts,
+          },
+        },
+        isLoading: false,
+        mutate: mutateAccounts,
+      };
+    }
+
+    return {
+      data: {
+        serverConfig: {
+          calendarProviders: queryState.providers,
+          calendarCalDAVProviders: queryState.caldavProviders,
+        },
+      },
+      isLoading: false,
+      mutate: mutateProviders,
+    };
+  },
+}));
+
+vi.mock('@affine/core/modules/cloud', () => ({
+  GraphQLService: GraphQLServiceToken,
+}));
+
+vi.mock('@affine/core/modules/url', () => ({
+  UrlService: UrlServiceToken,
+}));
+
+vi.mock('@affine/core/modules/workspace', () => ({
+  WorkspaceService: WorkspaceServiceToken,
+}));
+
+vi.mock('@affine/graphql', () => ({
+  calendarAccountsQuery,
+  calendarProvidersQuery,
+  CalendarProviderType,
+  linkCalendarAccountMutation,
+  unlinkCalendarAccountMutation,
+  linkCalDavAccountMutation,
+}));
+
+vi.mock('@affine/i18n', () => ({
+  useI18n: () =>
+    new Proxy(
+      {},
+      {
+        get: (_, key: string) => (args?: Record<string, string>) => {
+          if (key === 'com.affine.integration.calendar.account.count') {
+            return `${args?.count ?? '0'} calendars`;
+          }
+          return key;
+        },
+      }
+    ),
+}));
+
+vi.mock('@blocksuite/icons/rc', () => ({
+  GoogleIcon: () => <span>google-icon</span>,
+  LinkIcon: () => <span>link-icon</span>,
+  TodayIcon: () => <span>today-icon</span>,
+}));
+
+vi.mock('@toeverything/infra', async importOriginal => {
+  const actual = await importOriginal<typeof Infra>();
+
+  return {
+    ...actual,
+    useService: (token: unknown) => {
+      if (token === GraphQLServiceToken) {
+        return {
+          gql: gqlMock,
+        };
+      }
+
+      if (token === UrlServiceToken) {
+        return {
+          openExternal,
+        };
+      }
+
+      if (token === WorkspaceServiceToken) {
+        return {
+          workspace: {
+            flavour: workspaceState.flavour,
+          },
+        };
+      }
+
+      return {};
+    },
+  };
+});
+
+vi.mock('../layout', () => ({
+  CollapsibleWrapper: ({ children }: { children: ReactNode }) => (
+    <div>{children}</div>
+  ),
+}));
+
+import { IntegrationsPanel } from './integrations-panel';
+
+describe('IntegrationsPanel', () => {
+  beforeEach(() => {
+    cleanup();
+    gqlMock.mockReset();
+    openExternal.mockReset();
+    mutateAccounts.mockClear();
+    mutateProviders.mockClear();
+    workspaceState.flavour = 'cloud';
+    queryState.accounts = [];
+    queryState.providers = [];
+    queryState.caldavProviders = [];
+    window.history.replaceState({}, '', '/workspace/workspace-1/all');
+  });
+
+  afterEach(() => {
+    cleanup();
+  });
+
+  test('opens calendar workspace settings from an account row in cloud workspaces', () => {
+    queryState.accounts = [
+      {
+        id: 'account-1',
+        provider: CalendarProviderType.Google,
+        displayName: 'Alice',
+        email: 'alice@example.com',
+        calendarsCount: 2,
+        status: 'active',
+        lastError: null,
+      },
+    ];
+    const onChangeSettingState = vi.fn();
+
+    render(<IntegrationsPanel onChangeSettingState={onChangeSettingState} />);
+
+    const row = screen.getByRole('button', { name: /Alice/i });
+    fireEvent.click(row);
+    fireEvent.keyDown(row, { key: 'Enter' });
+
+    expect(onChangeSettingState).toHaveBeenNthCalledWith(1, {
+      activeTab: 'workspace:integrations',
+      scrollAnchor: 'integration-calendar',
+    });
+    expect(onChangeSettingState).toHaveBeenNthCalledWith(2, {
+      activeTab: 'workspace:integrations',
+      scrollAnchor: 'integration-calendar',
+    });
+  });
+
+  test('does not expose account rows as buttons in local workspaces', () => {
+    workspaceState.flavour = 'local';
+    queryState.accounts = [
+      {
+        id: 'account-1',
+        provider: CalendarProviderType.Google,
+        displayName: 'Alice',
+        email: 'alice@example.com',
+        calendarsCount: 2,
+        status: 'active',
+        lastError: null,
+      },
+    ];
+    const onChangeSettingState = vi.fn();
+
+    render(<IntegrationsPanel onChangeSettingState={onChangeSettingState} />);
+
+    expect(screen.queryByRole('button', { name: /Alice/i })).toBeNull();
+    fireEvent.click(screen.getByText('Alice'));
+
+    expect(onChangeSettingState).not.toHaveBeenCalled();
+  });
+
+  test('keeps the current page as oauth redirect in local workspaces', async () => {
+    workspaceState.flavour = 'local';
+    queryState.providers = [CalendarProviderType.Google];
+    gqlMock.mockResolvedValue({
+      linkCalendarAccount: 'https://calendar.example.com/oauth',
+    });
+
+    render(<IntegrationsPanel />);
+    fireEvent.click(screen.getByText('Google Calendar'));
+
+    await waitFor(() => {
+      expect(gqlMock).toHaveBeenCalledWith({
+        query: linkCalendarAccountMutation,
+        variables: {
+          input: {
+            provider: CalendarProviderType.Google,
+            redirectUri: window.location.href,
+          },
+        },
+      });
+    });
+  });
+
+  test('redirects oauth back to workspace integrations in cloud workspaces', async () => {
+    queryState.providers = [CalendarProviderType.Google];
+    gqlMock.mockResolvedValue({
+      linkCalendarAccount: 'https://calendar.example.com/oauth',
+    });
+    const redirectUri = new URL(
+      '/workspace/workspace-1/settings?tab=workspace%3Aintegrations&scrollAnchor=integration-calendar',
+      window.location.origin
+    ).toString();
+
+    render(<IntegrationsPanel />);
+    fireEvent.click(screen.getByText('Google Calendar'));
+
+    await waitFor(() => {
+      expect(gqlMock).toHaveBeenCalledWith({
+        query: linkCalendarAccountMutation,
+        variables: {
+          input: {
+            provider: CalendarProviderType.Google,
+            redirectUri,
+          },
+        },
+      });
+    });
+  });
+});