diff --git a/src/components/settings-modal/__tests__/settings-modal.test.tsx b/src/components/settings-modal/__tests__/settings-modal.test.tsx
new file mode 100644
index 00000000..2d52f01e
--- /dev/null
+++ b/src/components/settings-modal/__tests__/settings-modal.test.tsx
@@ -0,0 +1,180 @@
+import * as React from 'react';
+import { createElement } from 'react';
+import { createRoot, Root } from 'react-dom/client';
+import { MemoryRouter, useLocation } from 'react-router-dom';
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
+import SettingsModal from '../settings-modal';
+
+(globalThis as { IS_REACT_ACT_ENVIRONMENT?: boolean }).IS_REACT_ACT_ENVIRONMENT = true;
+const act = (React as { act?: (cb: () => void | Promise<void>) => void | Promise<void> }).act as (cb: () => void | Promise<void>) => void | Promise<void>;
+
+vi.mock('react-i18next', () => ({
+  useTranslation: () => ({
+    t: (key: string) => key,
+  }),
+}));
+
+vi.mock('../account-settings', () => ({
+  default: () => <div data-testid='account-settings'>account-settings</div>,
+}));
+
+vi.mock('../crypto-address-setting', () => ({
+  default: () => <div data-testid='crypto-address-setting'>crypto-address-setting</div>,
+}));
+
+vi.mock('../crypto-wallets-setting', () => ({
+  default: () => <div data-testid='crypto-wallets-setting'>crypto-wallets-setting</div>,
+}));
+
+vi.mock('../interface-settings', () => ({
+  default: () => <div data-testid='interface-settings-panel'>interface-settings</div>,
+}));
+
+vi.mock('../media-hosting-settings', () => ({
+  default: () => <div data-testid='media-hosting-settings-panel'>media-hosting-settings</div>,
+}));
+
+vi.mock('../advanced-settings', () => ({
+  default: () => <div data-testid='advanced-settings-panel'>advanced-settings</div>,
+}));
+
+vi.mock('../subscriptions-setting', () => ({
+  default: () => <div data-testid='subscriptions-settings-panel'>subscriptions-settings</div>,
+}));
+
+const LocationProbe = () => {
+  const location = useLocation();
+  return <div data-testid='location'>{location.pathname + location.hash}</div>;
+};
+
+let root: Root;
+let container: HTMLDivElement;
+
+const render = (initialEntry = '/all/settings') => {
+  act(() => {
+    root.render(
+      createElement(MemoryRouter, { initialEntries: [initialEntry] }, createElement(React.Fragment, {}, createElement(SettingsModal), createElement(LocationProbe))),
+    );
+  });
+};
+
+const getLocationText = () => container.querySelector('[data-testid="location"]')?.textContent ?? '';
+
+const getLabelByText = (text: string) => {
+  const label = Array.from(container.querySelectorAll('label')).find((candidate) => (candidate.textContent ?? '').includes(text));
+  if (!label) {
+    throw new Error(`Label containing "${text}" not found`);
+  }
+  return label;
+};
+
+describe('SettingsModal', () => {
+  beforeEach(() => {
+    vi.clearAllMocks();
+    container = document.createElement('div');
+    document.body.appendChild(container);
+    root = createRoot(container);
+  });
+
+  afterEach(() => {
+    act(() => root.unmount());
+    container.remove();
+  });
+
+  it('opens the account section for crypto subsection hashes', () => {
+    render('/all/settings#crypto-wallet-settings');
+
+    expect(container.querySelector('[data-testid="account-settings"]')).not.toBeNull();
+    expect(container.querySelector('[data-testid="crypto-address-setting"]')).not.toBeNull();
+    expect(container.querySelector('[data-testid="crypto-wallets-setting"]')).not.toBeNull();
+  });
+
+  it('updates the hash when sections open and close', async () => {
+    render('/all/settings#account-settings');
+
+    expect(getLocationText()).toBe('/all/settings#account-settings');
+
+    await act(async () => {
+      getLabelByText('interface').click();
+    });
+
+    expect(getLocationText()).toBe('/all/settings#interface-settings');
+    expect(container.querySelector('[data-testid="interface-settings-panel"]')).not.toBeNull();
+    expect(container.querySelector('[data-testid="account-settings"]')).not.toBeNull();
+
+    await act(async () => {
+      getLabelByText('interface').click();
+    });
+
+    expect(getLocationText()).toBe('/all/settings#account-settings');
+    expect(container.querySelector('[data-testid="interface-settings-panel"]')).toBeNull();
+
+    await act(async () => {
+      getLabelByText('bitsocial_account').click();
+    });
+
+    expect(getLocationText()).toBe('/all/settings');
+    expect(container.querySelector('[data-testid="account-settings"]')).toBeNull();
+  });
+
+  it('expands and collapses all settings sections', async () => {
+    render('/all/settings');
+
+    const expandAllControl = Array.from(container.querySelectorAll('[role="button"]')).find((candidate) => (candidate.textContent ?? '').includes('expand_all_settings'));
+    if (!expandAllControl) {
+      throw new Error('expand_all_settings control not found');
+    }
+
+    await act(async () => {
+      expandAllControl.dispatchEvent(new MouseEvent('click', { bubbles: true }));
+    });
+
+    expect(container.querySelector('[data-testid="interface-settings-panel"]')).not.toBeNull();
+    expect(container.querySelector('[data-testid="media-hosting-settings-panel"]')).not.toBeNull();
+    expect(container.querySelector('[data-testid="account-settings"]')).not.toBeNull();
+    expect(container.querySelector('[data-testid="subscriptions-settings-panel"]')).not.toBeNull();
+    expect(container.querySelector('[data-testid="advanced-settings-panel"]')).not.toBeNull();
+
+    const collapseAllControl = Array.from(container.querySelectorAll('[role="button"]')).find((candidate) =>
+      (candidate.textContent ?? '').includes('collapse_all_settings'),
+    );
+    if (!collapseAllControl) {
+      throw new Error('collapse_all_settings control not found');
+    }
+
+    await act(async () => {
+      collapseAllControl.dispatchEvent(new MouseEvent('click', { bubbles: true }));
+    });
+
+    expect(container.querySelector('[data-testid="interface-settings-panel"]')).toBeNull();
+    expect(container.querySelector('[data-testid="media-hosting-settings-panel"]')).toBeNull();
+    expect(container.querySelector('[data-testid="account-settings"]')).toBeNull();
+    expect(container.querySelector('[data-testid="subscriptions-settings-panel"]')).toBeNull();
+    expect(container.querySelector('[data-testid="advanced-settings-panel"]')).toBeNull();
+  });
+
+  it('closes the modal when the overlay is clicked', async () => {
+    render('/all/settings#interface-settings');
+
+    const overlay = container.querySelector('[role="button"]');
+    if (!overlay) {
+      throw new Error('overlay not found');
+    }
+
+    await act(async () => {
+      overlay.dispatchEvent(new MouseEvent('click', { bubbles: true }));
+    });
+
+    expect(getLocationText()).toBe('/all');
+  });
+
+  it('closes the modal when Escape is pressed', async () => {
+    render('/all/settings');
+
+    await act(async () => {
+      document.dispatchEvent(new KeyboardEvent('keydown', { key: 'Escape', bubbles: true }));
+    });
+
+    expect(getLocationText()).toBe('/all');
+  });
+});
diff --git a/src/components/settings-modal/account-settings/__tests__/account-settings.test.tsx b/src/components/settings-modal/account-settings/__tests__/account-settings.test.tsx
index 0ae8e3e7..462229ce 100644
--- a/src/components/settings-modal/account-settings/__tests__/account-settings.test.tsx
+++ b/src/components/settings-modal/account-settings/__tests__/account-settings.test.tsx
@@ -1,13 +1,26 @@
 import * as React from 'react';
 import { createElement } from 'react';
 import { createRoot, Root } from 'react-dom/client';
-import { MemoryRouter } from 'react-router-dom';
+import { MemoryRouter, useLocation } from 'react-router-dom';
 import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
 import AccountSettings from '../account-settings';
 
 (globalThis as { IS_REACT_ACT_ENVIRONMENT?: boolean }).IS_REACT_ACT_ENVIRONMENT = true;
 const act = (React as { act?: (cb: () => void | Promise<void>) => void | Promise<void> }).act as (cb: () => void | Promise<void>) => void | Promise<void>;
 
+const hookMocks = vi.hoisted(() => ({
+  deleteAccount: vi.fn(),
+  exportAccount: vi.fn(),
+  importAccount: vi.fn(),
+  setActiveAccount: vi.fn(),
+  useAccount: vi.fn(),
+  useAccounts: vi.fn(),
+}));
+
+const fileReaderState = vi.hoisted(() => ({
+  result: '',
+}));
+
 vi.mock('react-i18next', () => ({
   useTranslation: () => ({
     t: (key: string) => key,
@@ -16,71 +29,320 @@ vi.mock('react-i18next', () => ({
 }));
 
 vi.mock('@bitsocialhq/bitsocial-react-hooks', () => ({
-  useAccount: () => ({ id: 'test-id', name: 'Account 1', author: { address: '0x123', shortAddress: '0x1...3' } }),
-  useAccounts: () => ({ accounts: [{ id: 'test-id', name: 'Account 1', author: { shortAddress: '0x1...3' } }] }),
-  deleteAccount: vi.fn(),
-  exportAccount: vi.fn(),
-  importAccount: vi.fn(),
-  setActiveAccount: vi.fn(),
+  useAccount: hookMocks.useAccount,
+  useAccounts: hookMocks.useAccounts,
+  deleteAccount: hookMocks.deleteAccount,
+  exportAccount: hookMocks.exportAccount,
+  importAccount: hookMocks.importAccount,
+  setActiveAccount: hookMocks.setActiveAccount,
 }));
 
 vi.mock('@capacitor/core', () => ({
   Capacitor: { getPlatform: () => 'web' },
 }));
 
+class MockFileReader {
+  onload: ((event: { target: { result: unknown } }) => void) | null = null;
+
+  readAsText() {
+    this.onload?.({ target: { result: fileReaderState.result } });
+  }
+}
+
+const LocationProbe = () => {
+  const location = useLocation();
+  return <div data-testid='location'>{location.pathname + location.hash}</div>;
+};
+
 let root: Root;
 let container: HTMLDivElement;
+let alertSpy: ReturnType<typeof vi.spyOn>;
+let confirmSpy: ReturnType<typeof vi.spyOn>;
+let createElementSpy: ReturnType<typeof vi.spyOn>;
+let anchorClickSpy: ReturnType<typeof vi.spyOn>;
+let inputClickSpy: ReturnType<typeof vi.spyOn>;
+let consoleLogSpy: ReturnType<typeof vi.spyOn>;
+let consoleErrorSpy: ReturnType<typeof vi.spyOn>;
+let createdInput: HTMLInputElement | null;
+let createdAnchor: HTMLAnchorElement | null;
+let createObjectUrlSpy: ReturnType<typeof vi.fn>;
+let revokeObjectUrlSpy: ReturnType<typeof vi.fn>;
 
-const render = (children: React.ReactNode) => {
-  act(() => {
-    root.render(createElement(MemoryRouter, { initialEntries: ['/subs/settings'] }, children));
+const flushMicrotasks = async () => {
+  await act(async () => {
+    await Promise.resolve();
   });
 };
 
+const render = (initialEntry = '/subs/settings') => {
+  act(() => {
+    root.render(
+      createElement(MemoryRouter, { initialEntries: [initialEntry] }, createElement(React.Fragment, {}, createElement(AccountSettings), createElement(LocationProbe))),
+    );
+  });
+};
+
+const getButtons = () => Array.from(container.querySelectorAll('button'));
+
+const getButtonByText = (text: string) => {
+  const button = getButtons().find((candidate) => (candidate.textContent ?? '').includes(text));
+  if (!button) {
+    throw new Error(`Button containing "${text}" not found`);
+  }
+  return button;
+};
+
+const getLocationText = () => container.querySelector('[data-testid="location"]')?.textContent ?? '';
+
 describe('AccountSettings', () => {
   beforeEach(() => {
     vi.clearAllMocks();
+    localStorage.clear();
+    fileReaderState.result = '';
+    createdInput = null;
+    createdAnchor = null;
+
+    hookMocks.useAccount.mockReturnValue({
+      id: 'test-id',
+      name: 'Account 1',
+      author: { address: '0x123', shortAddress: '0x1...3' },
+      subscriptions: ['business.eth'],
+    });
+    hookMocks.useAccounts.mockReturnValue({
+      accounts: [{ id: 'test-id', name: 'Account 1', author: { shortAddress: '0x1...3' } }],
+    });
+
+    createObjectUrlSpy = vi.fn(() => 'blob:test-account');
+    revokeObjectUrlSpy = vi.fn();
+    Object.defineProperty(URL, 'createObjectURL', {
+      configurable: true,
+      value: createObjectUrlSpy,
+    });
+    Object.defineProperty(URL, 'revokeObjectURL', {
+      configurable: true,
+      value: revokeObjectUrlSpy,
+    });
+
+    vi.stubGlobal('FileReader', MockFileReader);
+
+    alertSpy = vi.spyOn(window, 'alert').mockImplementation(() => undefined);
+    confirmSpy = vi.spyOn(window, 'confirm').mockImplementation(() => true);
+    consoleLogSpy = vi.spyOn(console, 'log').mockImplementation(() => undefined);
+    consoleErrorSpy = vi.spyOn(console, 'error').mockImplementation(() => undefined);
+    anchorClickSpy = vi.spyOn(HTMLAnchorElement.prototype, 'click').mockImplementation(() => undefined);
+    inputClickSpy = vi.spyOn(HTMLInputElement.prototype, 'click').mockImplementation(() => undefined);
+
+    const originalCreateElement = document.createElement.bind(document);
+    createElementSpy = vi.spyOn(document, 'createElement').mockImplementation(((tagName: string, options?: ElementCreationOptions) => {
+      const element = originalCreateElement(tagName, options);
+      if (tagName === 'input') {
+        createdInput = element as HTMLInputElement;
+      }
+      if (tagName === 'a') {
+        createdAnchor = element as HTMLAnchorElement;
+      }
+      return element;
+    }) as typeof document.createElement);
+
     container = document.createElement('div');
     document.body.appendChild(container);
     root = createRoot(container);
   });
 
   afterEach(() => {
-    act(() => root.unmount());
-    container.remove();
+    if (root) {
+      act(() => root.unmount());
+    }
+    container?.remove();
+    alertSpy?.mockRestore();
+    confirmSpy?.mockRestore();
+    consoleLogSpy?.mockRestore();
+    consoleErrorSpy?.mockRestore();
+    anchorClickSpy?.mockRestore();
+    inputClickSpy?.mockRestore();
+    createElementSpy?.mockRestore();
+    vi.unstubAllGlobals();
   });
 
-  it('does not render an inline textarea', () => {
-    render(createElement(AccountSettings));
+  it('renders the expected account actions without inline editor controls', () => {
+    render();
     expect(container.querySelector('textarea')).toBeNull();
+
+    const buttonTexts = getButtons().map((button) => button.textContent ?? '');
+    expect(buttonTexts.some((text) => text.includes('save_changes'))).toBe(false);
+    expect(buttonTexts.some((text) => text.includes('reset_changes'))).toBe(false);
+    expect(buttonTexts.some((text) => text.includes('edit'))).toBe(true);
+    expect(buttonTexts.some((text) => text.includes('download_backup'))).toBe(true);
+    expect(buttonTexts.some((text) => text.includes('import_account_backup'))).toBe(true);
+    expect(buttonTexts.some((text) => text.includes('delete_account'))).toBe(true);
   });
 
-  it('does not render save_changes or reset_changes buttons', () => {
-    render(createElement(AccountSettings));
-    const buttons = Array.from(container.querySelectorAll('button'));
-    const buttonTexts = buttons.map((b) => b.textContent ?? '');
-    expect(buttonTexts.some((t) => t.includes('save_changes'))).toBe(false);
-    expect(buttonTexts.some((t) => t.includes('reset_changes'))).toBe(false);
+  it('deletes the account only after both confirmations succeed', async () => {
+    confirmSpy.mockReturnValueOnce(true).mockReturnValueOnce(true);
+
+    render();
+
+    await act(async () => {
+      getButtonByText('delete_account').click();
+    });
+
+    expect(hookMocks.deleteAccount).toHaveBeenCalledWith('Account 1');
+    expect(confirmSpy).toHaveBeenCalledTimes(2);
   });
 
-  it('renders an edit button', () => {
-    render(createElement(AccountSettings));
-    const buttons = Array.from(container.querySelectorAll('button'));
-    expect(buttons.some((b) => (b.textContent ?? '').includes('edit'))).toBe(true);
+  it('does not delete the account when the first confirmation is rejected', async () => {
+    confirmSpy.mockReturnValueOnce(false);
+
+    render();
+
+    await act(async () => {
+      getButtonByText('delete_account').click();
+    });
+
+    expect(hookMocks.deleteAccount).not.toHaveBeenCalled();
+    expect(confirmSpy).toHaveBeenCalledTimes(1);
   });
 
-  it('renders download_backup and import_account_backup buttons', () => {
-    render(createElement(AccountSettings));
-    const buttons = Array.from(container.querySelectorAll('button'));
-    const texts = buttons.map((b) => b.textContent ?? '');
-    expect(texts.some((t) => t.includes('download_backup'))).toBe(true);
-    expect(texts.some((t) => t.includes('import_account_backup'))).toBe(true);
-    expect(texts.some((t) => t.includes('create'))).toBe(false);
+  it('exports a formatted account backup download', async () => {
+    hookMocks.exportAccount.mockResolvedValue(JSON.stringify({ account: { name: 'Account 1' } }));
+
+    render();
+
+    await act(async () => {
+      getButtonByText('download_backup').click();
+      await Promise.resolve();
+    });
+
+    expect(hookMocks.exportAccount).toHaveBeenCalledOnce();
+    expect(createObjectUrlSpy).toHaveBeenCalledOnce();
+    expect(anchorClickSpy).toHaveBeenCalledOnce();
+    expect(createdAnchor?.download).toBe('Account 1.json');
+    expect(revokeObjectUrlSpy).toHaveBeenCalledWith('blob:test-account');
   });
 
-  it('renders delete_account button', () => {
-    render(createElement(AccountSettings));
-    const buttons = Array.from(container.querySelectorAll('button'));
-    expect(buttons.some((b) => (b.textContent ?? '').includes('delete_account'))).toBe(true);
+  it('alerts when export returns malformed JSON', async () => {
+    hookMocks.exportAccount.mockResolvedValue('not-json');
+
+    render();
+
+    await act(async () => {
+      getButtonByText('download_backup').click();
+      await Promise.resolve();
+    });
+
+    expect(alertSpy).toHaveBeenCalledWith('Failed to parse account');
+    expect(createObjectUrlSpy).not.toHaveBeenCalled();
+  });
+
+  it('alerts when exportAccount throws', async () => {
+    hookMocks.exportAccount.mockRejectedValue(new Error('export failed'));
+
+    render();
+
+    await act(async () => {
+      getButtonByText('download_backup').click();
+      await Promise.resolve();
+    });
+
+    expect(alertSpy).toHaveBeenCalledWith('export failed');
+    expect(createObjectUrlSpy).not.toHaveBeenCalled();
+  });
+
+  it('alerts when no import file is selected', async () => {
+    render();
+
+    await act(async () => {
+      getButtonByText('import_account_backup').click();
+    });
+
+    expect(createdInput).not.toBeNull();
+    expect(inputClickSpy).toHaveBeenCalledOnce();
+
+    await act(async () => {
+      createdInput?.onchange?.({ target: { files: [] } } as unknown as Event);
+    });
+
+    expect(alertSpy).toHaveBeenCalledWith('No file selected.');
+    expect(hookMocks.importAccount).not.toHaveBeenCalled();
+  });
+
+  it('alerts when the imported file contains invalid JSON', async () => {
+    fileReaderState.result = '{bad json';
+    render();
+
+    await act(async () => {
+      getButtonByText('import_account_backup').click();
+    });
+
+    const file = new File(['{}'], 'account.json', { type: 'application/json' });
+    await act(async () => {
+      createdInput?.onchange?.({ target: { files: [file] } } as unknown as Event);
+    });
+
+    expect(alertSpy).toHaveBeenCalledWith('Invalid JSON in file.');
+    expect(hookMocks.importAccount).not.toHaveBeenCalled();
+  });
+
+  it('imports an account backup, merges owned boards into subscriptions, and redirects back to account settings', async () => {
+    fileReaderState.result = JSON.stringify({
+      account: {
+        name: 'Imported',
+        author: { address: '0x999' },
+        subscriptions: ['business.eth'],
+        subplebbits: {
+          'business.eth': { title: '/biz/' },
+          'music-posting.bso': { title: '/mu/' },
+        },
+      },
+    });
+    hookMocks.importAccount.mockResolvedValue(undefined);
+    hookMocks.setActiveAccount.mockResolvedValue(undefined);
+
+    render();
+
+    await act(async () => {
+      getButtonByText('import_account_backup').click();
+    });
+
+    const file = new File(['{}'], 'account.json', { type: 'application/json' });
+    await act(async () => {
+      createdInput?.onchange?.({ target: { files: [file] } } as unknown as Event);
+      await Promise.resolve();
+    });
+    await flushMicrotasks();
+
+    expect(hookMocks.importAccount).toHaveBeenCalledOnce();
+    const importedPayload = JSON.parse(hookMocks.importAccount.mock.calls[0][0]);
+    expect(importedPayload.account.subscriptions).toEqual(['business.eth', 'music-posting.bso']);
+    expect(localStorage.getItem('importedAccountAddress')).toBe('0x999');
+    expect(hookMocks.setActiveAccount).toHaveBeenCalledWith('Imported');
+    expect(alertSpy).toHaveBeenCalledWith('Imported Imported');
+    expect(getLocationText()).toBe('/subs/settings#account-settings');
+  });
+
+  it('surfaces import errors without navigating or reloading', async () => {
+    fileReaderState.result = JSON.stringify({
+      account: {
+        name: 'Imported',
+        author: { address: '0x999' },
+      },
+    });
+    hookMocks.importAccount.mockRejectedValue(new Error('import failed'));
+
+    render();
+
+    await act(async () => {
+      getButtonByText('import_account_backup').click();
+    });
+
+    const file = new File(['{}'], 'account.json', { type: 'application/json' });
+    await act(async () => {
+      createdInput?.onchange?.({ target: { files: [file] } } as unknown as Event);
+      await Promise.resolve();
+    });
+    await flushMicrotasks();
+
+    expect(alertSpy).toHaveBeenCalledWith('import failed');
+    expect(getLocationText()).toBe('/subs/settings');
   });
 });
diff --git a/src/components/settings-modal/account-settings/account-settings.tsx b/src/components/settings-modal/account-settings/account-settings.tsx
index 2e63b4db..e277f5cb 100644
--- a/src/components/settings-modal/account-settings/account-settings.tsx
+++ b/src/components/settings-modal/account-settings/account-settings.tsx
@@ -130,6 +130,7 @@ const AccountSettingsEditor = ({
             if (accountData.account?.name) {
               await setActiveAccount(accountData.account.name);
             }
+            return true;
           },
           (error) => {
             if (error instanceof Error) {
diff --git a/src/components/settings-modal/subscriptions-setting/__tests__/subscriptions-setting.test.tsx b/src/components/settings-modal/subscriptions-setting/__tests__/subscriptions-setting.test.tsx
new file mode 100644
index 00000000..6375e6db
--- /dev/null
+++ b/src/components/settings-modal/subscriptions-setting/__tests__/subscriptions-setting.test.tsx
@@ -0,0 +1,153 @@
+import * as React from 'react';
+import { createElement } from 'react';
+import { createRoot, Root } from 'react-dom/client';
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
+import SubscriptionsSetting from '../subscriptions-setting';
+
+(globalThis as { IS_REACT_ACT_ENVIRONMENT?: boolean }).IS_REACT_ACT_ENVIRONMENT = true;
+const act = (React as { act?: (cb: () => void | Promise<void>) => void | Promise<void> }).act as (cb: () => void | Promise<void>) => void | Promise<void>;
+
+const accountState = vi.hoisted(() => ({
+  value: {
+    name: 'Account 1',
+    subscriptions: ['music-posting.bso'],
+  } as { name: string; subscriptions: string[] },
+}));
+
+const subscriptionMocks = vi.hoisted(() => ({
+  byAddress: new Map<string, { subscribed: boolean; subscribe: ReturnType<typeof vi.fn>; unsubscribe: ReturnType<typeof vi.fn> }>(),
+  setAccount: vi.fn(),
+}));
+
+vi.mock('react-i18next', () => ({
+  useTranslation: () => ({
+    t: (key: string) => key,
+  }),
+}));
+
+vi.mock('@bitsocialhq/bitsocial-react-hooks', () => ({
+  useAccount: () => accountState.value,
+  useSubscribe: ({ subplebbitAddress }: { subplebbitAddress: string }) =>
+    subscriptionMocks.byAddress.get(subplebbitAddress) ?? {
+      subscribed: false,
+      subscribe: vi.fn(),
+      unsubscribe: vi.fn(),
+    },
+  setAccount: subscriptionMocks.setAccount,
+}));
+
+let root: Root;
+let container: HTMLDivElement;
+let confirmSpy: ReturnType<typeof vi.spyOn>;
+
+const render = () => {
+  act(() => {
+    root.render(createElement(SubscriptionsSetting));
+  });
+};
+
+const getButtonByText = (text: string) => {
+  const button = Array.from(container.querySelectorAll('[role="button"]')).find((candidate) => (candidate.textContent ?? '').includes(text));
+  if (!button) {
+    throw new Error(`Button containing "${text}" not found`);
+  }
+  return button;
+};
+
+describe('SubscriptionsSetting', () => {
+  beforeEach(() => {
+    vi.clearAllMocks();
+    accountState.value = {
+      name: 'Account 1',
+      subscriptions: ['music-posting.bso'],
+    };
+    subscriptionMocks.byAddress = new Map();
+    subscriptionMocks.setAccount.mockReset();
+    confirmSpy = vi.spyOn(window, 'confirm').mockImplementation(() => true);
+
+    container = document.createElement('div');
+    document.body.appendChild(container);
+    root = createRoot(container);
+  });
+
+  afterEach(() => {
+    act(() => root.unmount());
+    container.remove();
+    confirmSpy.mockRestore();
+  });
+
+  it('shows the empty-state message when there are no subscriptions', () => {
+    accountState.value = {
+      name: 'Account 1',
+      subscriptions: [],
+    };
+
+    render();
+
+    expect(container.textContent).toContain('not_subscribed_to_any_board');
+  });
+
+  it('unsubscribes from all boards after confirmation', async () => {
+    accountState.value = {
+      name: 'Account 1',
+      subscriptions: ['music-posting.bso', 'business.eth'],
+    };
+
+    render();
+
+    await act(async () => {
+      getButtonByText('unsubscribe_all').dispatchEvent(new MouseEvent('click', { bubbles: true }));
+    });
+
+    expect(confirmSpy).toHaveBeenCalledWith('unsubscribe_all_confirm');
+    expect(subscriptionMocks.setAccount).toHaveBeenCalledWith({
+      name: 'Account 1',
+      subscriptions: [],
+    });
+  });
+
+  it('does not unsubscribe from all boards when confirmation is cancelled', async () => {
+    confirmSpy.mockReturnValueOnce(false);
+    accountState.value = {
+      name: 'Account 1',
+      subscriptions: ['music-posting.bso', 'business.eth'],
+    };
+
+    render();
+
+    await act(async () => {
+      getButtonByText('unsubscribe_all').dispatchEvent(new MouseEvent('click', { bubbles: true }));
+    });
+
+    expect(subscriptionMocks.setAccount).not.toHaveBeenCalled();
+  });
+
+  it('toggles a board subscription with click and keyboard interaction', async () => {
+    const subscribe = vi.fn();
+    const unsubscribe = vi.fn();
+    subscriptionMocks.byAddress.set('music-posting.bso', {
+      subscribed: true,
+      subscribe,
+      unsubscribe,
+    });
+
+    render();
+
+    const subscriptionButton = getButtonByText('unsubscribe');
+    expect(subscriptionButton.textContent).toContain('unsubscribe');
+
+    await act(async () => {
+      subscriptionButton.dispatchEvent(new MouseEvent('click', { bubbles: true }));
+    });
+
+    expect(unsubscribe).toHaveBeenCalledOnce();
+    expect(subscriptionButton.textContent).toContain('subscribe');
+
+    await act(async () => {
+      subscriptionButton.dispatchEvent(new KeyboardEvent('keydown', { key: 'Enter', bubbles: true }));
+    });
+
+    expect(subscribe).toHaveBeenCalledOnce();
+    expect(subscriptionButton.textContent).toContain('unsubscribe');
+  });
+});
diff --git a/src/lib/utils/__tests__/route-utils.test.ts b/src/lib/utils/__tests__/route-utils.test.ts
index 815a623d..5f9561d3 100644
--- a/src/lib/utils/__tests__/route-utils.test.ts
+++ b/src/lib/utils/__tests__/route-utils.test.ts
@@ -1,5 +1,56 @@
 import { describe, it, expect } from 'vitest';
-import { isBoardModRoute, isFeedRoute, isLegacyBoardModQueueRoute, isModQueueRoute, isValidBoardModRoute, normalizeMultiboardFeedPath } from '../route-utils';
+import {
+  areSameBoardAddress,
+  extractDirectoryFromTitle,
+  getBoardPath,
+  getFeedCacheKey,
+  getFeedType,
+  getPageFromFeedPath,
+  getSubplebbitAddress,
+  isBoardModRoute,
+  isDirectoryBoard,
+  isFeedRoute,
+  isLegacyBoardModQueueRoute,
+  isModQueueRoute,
+  isPendingPostRoute,
+  isPostRoute,
+  isValidBoardModRoute,
+  isValidModRoute,
+  normalizeMultiboardFeedPath,
+  stripPageFromFeedPath,
+} from '../route-utils';
+
+const communities = [
+  { address: 'business.eth', title: '/biz/ - Business & Finance' },
+  { address: 'music-posting.bso', title: '/mu/ - Music' },
+  { address: 'random.eth', directoryCode: 'b', title: 'Random' },
+];
+
+describe('directory mapping helpers', () => {
+  it('extracts short codes from titled directories', () => {
+    expect(extractDirectoryFromTitle('/biz/ - Business & Finance')).toBe('biz');
+    expect(extractDirectoryFromTitle('Business & Finance')).toBeNull();
+  });
+
+  it('maps addresses to canonical board paths and back', () => {
+    expect(getBoardPath('business.eth', communities)).toBe('biz');
+    expect(getBoardPath('music-posting.eth', communities)).toBe('mu');
+    expect(getBoardPath('unknown.example', communities)).toBe('unknown.example');
+
+    expect(getSubplebbitAddress('biz', communities)).toBe('business.eth');
+    expect(getSubplebbitAddress('b', communities)).toBe('random.eth');
+    expect(getSubplebbitAddress('unknown.example', communities)).toBe('unknown.example');
+  });
+
+  it('compares aliases and directory identifiers correctly', () => {
+    expect(areSameBoardAddress('music-posting.eth', 'music-posting.bso')).toBe(true);
+    expect(areSameBoardAddress('music-posting.eth', 'business.eth')).toBe(false);
+    expect(areSameBoardAddress(undefined, 'business.eth')).toBe(false);
+
+    expect(isDirectoryBoard('biz', communities)).toBe(true);
+    expect(isDirectoryBoard('business.eth', communities)).toBe(false);
+  });
+});
 
 describe('normalizeMultiboardFeedPath', () => {
   it('normalizes /all/3 -> /all', () => {
@@ -46,6 +97,11 @@ describe('isFeedRoute', () => {
     expect(isFeedRoute('/biz/mod')).toBe(false);
     expect(isFeedRoute('/biz/mod/queue')).toBe(false);
   });
+
+  it('returns false for posts and pending items', () => {
+    expect(isFeedRoute('/biz/thread/abc')).toBe(false);
+    expect(isFeedRoute('/pending/4')).toBe(false);
+  });
 });
 
 describe('board mod routes', () => {
@@ -78,4 +134,58 @@ describe('board mod routes', () => {
     expect(isValidBoardModRoute('/biz/mod/log')).toBe(false);
     expect(isValidBoardModRoute('/biz/modqueue')).toBe(false);
   });
+
+  it('validates allowed top-level mod routes', () => {
+    expect(isValidModRoute('/mod')).toBe(true);
+    expect(isValidModRoute('/mod/catalog/settings')).toBe(true);
+    expect(isValidModRoute('/mod/modqueue')).toBe(false);
+  });
+});
+
+describe('route kind helpers', () => {
+  it('recognizes post and pending routes with optional settings suffixes', () => {
+    expect(isPostRoute('/biz/thread/abc')).toBe(true);
+    expect(isPostRoute('/biz/thread/abc/settings')).toBe(true);
+    expect(isPostRoute('/biz')).toBe(false);
+
+    expect(isPendingPostRoute('/pending/3')).toBe(true);
+    expect(isPendingPostRoute('/pending/3/settings')).toBe(true);
+    expect(isPendingPostRoute('/biz')).toBe(false);
+  });
+});
+
+describe('feed pagination helpers', () => {
+  it('strips trailing page numbers from feed paths', () => {
+    expect(stripPageFromFeedPath('/biz/3')).toBe('/biz');
+    expect(stripPageFromFeedPath('/biz/catalog/4')).toBe('/biz/catalog');
+    expect(stripPageFromFeedPath('/biz/catalog')).toBe('/biz/catalog');
+  });
+
+  it('parses page numbers and defaults to page 1', () => {
+    expect(getPageFromFeedPath('/biz/3')).toBe(3);
+    expect(getPageFromFeedPath('/biz/catalog/4/settings')).toBe(4);
+    expect(getPageFromFeedPath('/biz/11')).toBe(1);
+    expect(getPageFromFeedPath('/biz')).toBe(1);
+  });
+});
+
+describe('feed cache helpers', () => {
+  it('derives cache keys for feeds and threads', () => {
+    expect(getFeedCacheKey('/biz')).toBe('/biz');
+    expect(getFeedCacheKey('/biz/3/settings')).toBe('/biz');
+    expect(getFeedCacheKey('/biz/catalog/4')).toBe('/biz/catalog');
+    expect(getFeedCacheKey('/biz/thread/abc')).toBe('/biz');
+  });
+
+  it('returns null cache keys for non-feed routes', () => {
+    expect(getFeedCacheKey('/pending/3')).toBeNull();
+    expect(getFeedCacheKey('/biz/mod/queue')).toBeNull();
+  });
+
+  it('classifies board, catalog, and non-feed routes', () => {
+    expect(getFeedType('/biz')).toBe('board');
+    expect(getFeedType('/biz/thread/abc')).toBe('board');
+    expect(getFeedType('/biz/catalog/settings')).toBe('catalog');
+    expect(getFeedType('/pending/3')).toBeNull();
+  });
 });