diff --git a/ui/tests/unit/components/account/flow-viz/index.test.tsx b/ui/tests/unit/components/account/flow-viz/index.test.tsx
new file mode 100644
index 00000000..3db3da49
--- /dev/null
+++ b/ui/tests/unit/components/account/flow-viz/index.test.tsx
@@ -0,0 +1,161 @@
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
+import { render, screen, userEvent } from '@tests/setup/test-utils';
+import { AccountFlowViz } from '@/components/account-flow-viz';
+import type { ProviderData } from '@/components/account/flow-viz/types';
+
+vi.mock(import('react-i18next'), async (importOriginal) => {
+  const actual = await importOriginal();
+
+  return {
+    ...actual,
+    useTranslation: () => ({
+      t: (key: string, options?: { count?: number }) => {
+        const translations: Record<string, string> = {
+          'flowViz.showDetails': 'Show Details',
+          'flowViz.hideDetails': 'Hide Details',
+          'flowViz.backToProviders': 'Back to providers',
+          'flowViz.resetLayout': 'Reset layout',
+        };
+
+        if (key === 'flowViz.showPausedAccounts') {
+          return `Show Paused (${options?.count ?? 0})`;
+        }
+
+        if (key === 'flowViz.hidePausedAccounts') {
+          return `Hide Paused (${options?.count ?? 0})`;
+        }
+
+        return translations[key] ?? key;
+      },
+    }),
+  };
+});
+
+vi.mock('@/components/account/flow-viz/account-card', () => ({
+  AccountCard: ({
+    account,
+    originalIndex,
+    zone,
+  }: {
+    account: { email: string; paused?: boolean };
+    originalIndex: number;
+    zone: string;
+  }) => (
+    <div data-account-index={originalIndex} data-zone={zone}>
+      {account.email}
+      {account.paused ? ' (paused)' : ' (active)'}
+    </div>
+  ),
+}));
+
+vi.mock('@/components/account/flow-viz/provider-card', () => ({
+  ProviderCard: ({ providerData }: { providerData: ProviderData }) => (
+    <div data-provider-node>{providerData.accounts.length} visible accounts</div>
+  ),
+}));
+
+vi.mock('@/components/account/flow-viz/connection-timeline', () => ({
+  ConnectionTimeline: ({ events }: { events: Array<{ id: string }> }) => (
+    <div>{events.length} timeline events</div>
+  ),
+}));
+
+vi.mock('@/components/account/flow-viz/flow-paths', () => ({
+  FlowPaths: ({ accounts }: { accounts: Array<{ id: string }> }) => (
+    <div>paths:{accounts.map((account) => account.id).join(',')}</div>
+  ),
+}));
+
+vi.mock('@/components/account/flow-viz/path-utils', () => ({
+  calculateBezierPaths: () => [],
+}));
+
+const providerData: ProviderData = {
+  provider: 'codex',
+  displayName: 'OpenAI Codex',
+  totalRequests: 7,
+  accounts: [
+    {
+      id: 'paused-account',
+      email: 'paused@company.com',
+      provider: 'codex',
+      successCount: 4,
+      failureCount: 0,
+      color: '#f59e0b',
+      paused: true,
+    },
+    {
+      id: 'active-account',
+      email: 'active@company.com',
+      provider: 'codex',
+      successCount: 2,
+      failureCount: 1,
+      color: '#10a37f',
+    },
+  ],
+};
+
+describe('AccountFlowViz paused account visibility', () => {
+  beforeEach(() => {
+    vi.mocked(window.localStorage.getItem).mockReturnValue(null);
+    vi.stubGlobal(
+      'requestAnimationFrame',
+      vi.fn(() => 0)
+    );
+  });
+
+  afterEach(() => {
+    vi.unstubAllGlobals();
+  });
+
+  it('hides and restores paused accounts from the provider detail visualization', async () => {
+    render(<AccountFlowViz providerData={providerData} />);
+
+    expect(screen.getByRole('button', { name: 'Show Details' })).toBeInTheDocument();
+    expect(screen.getByRole('button', { name: 'Hide Paused (1)' })).toBeInTheDocument();
+    expect(screen.getByText('active@company.com (active)')).toBeInTheDocument();
+    expect(screen.getByText('paused@company.com (paused)')).toBeInTheDocument();
+    expect(screen.getByText('2 visible accounts')).toBeInTheDocument();
+    expect(screen.getByText('7 timeline events')).toBeInTheDocument();
+    expect(screen.getByText('paths:paused-account,active-account')).toBeInTheDocument();
+
+    await userEvent.click(screen.getByRole('button', { name: 'Hide Paused (1)' }));
+
+    expect(screen.getByRole('button', { name: 'Show Paused (1)' })).toHaveAttribute(
+      'aria-pressed',
+      'true'
+    );
+    expect(screen.getByText('active@company.com (active)')).toBeInTheDocument();
+    expect(screen.queryByText('paused@company.com (paused)')).not.toBeInTheDocument();
+    expect(screen.getByText('1 visible accounts')).toBeInTheDocument();
+    expect(screen.getByText('3 timeline events')).toBeInTheDocument();
+    expect(screen.getByText('paths:active-account')).toBeInTheDocument();
+
+    await userEvent.click(screen.getByRole('button', { name: 'Show Paused (1)' }));
+
+    expect(screen.getByRole('button', { name: 'Hide Paused (1)' })).toHaveAttribute(
+      'aria-pressed',
+      'false'
+    );
+    expect(screen.getByText('paused@company.com (paused)')).toBeInTheDocument();
+    expect(screen.getByText('2 visible accounts')).toBeInTheDocument();
+  });
+
+  it('ignores hidden paused-account drag offsets when deciding whether reset layout should stay visible', async () => {
+    vi.mocked(window.localStorage.getItem).mockImplementation((key: string) =>
+      key === 'ccs-flow-positions-codex'
+        ? JSON.stringify({
+            'paused-account': { x: 0, y: 160 },
+          })
+        : null
+    );
+
+    render(<AccountFlowViz providerData={providerData} />);
+
+    expect(screen.getByRole('button', { name: 'Reset layout' })).toBeInTheDocument();
+
+    await userEvent.click(screen.getByRole('button', { name: 'Hide Paused (1)' }));
+
+    expect(screen.queryByRole('button', { name: 'Reset layout' })).not.toBeInTheDocument();
+  });
+});