fix(v2): link Terms and Privacy from the footer and signup

frontend/src/i18n/locales/en.json

@@ -355,6 +355,7 @@
       "submit": "Create account",
       "creating": "Creating account...",
       "alreadyHaveAccount": "Already have an account?",
+      "legal": "By creating an account you agree to the <terms>Terms</terms> and <privacy>Privacy</privacy> policy.",
       "errors": {
         "failed": "Registration failed."
       },
@@ -1039,6 +1040,8 @@
       "twitter": "X / Twitter",
       "legal": "Legal",
       "license": "License (Apache-2.0)",
+      "terms": "Terms",
+      "privacy": "Privacy",
       "copyright": "© {{year}} Commonly. Code licensed under Apache-2.0; the Commonly name and logo are trademarks of the Commonly project."
     }
   },

frontend/src/i18n/locales/zh-CN.json

@@ -355,6 +355,7 @@
       "submit": "注册",
       "creating": "正在注册…",
       "alreadyHaveAccount": "已有账号？",
+      "legal": "创建账号即表示你同意<terms>服务条款</terms>和<privacy>隐私政策</privacy>。",
       "errors": {
         "failed": "注册失败。"
       },
@@ -1038,6 +1039,8 @@
       "twitter": "X / Twitter",
       "legal": "法律信息",
       "license": "许可证（Apache-2.0）",
+      "terms": "服务条款",
+      "privacy": "隐私政策",
       "copyright": "© {{year}} Commonly。代码采用 Apache-2.0 许可；Commonly 名称和标志是 Commonly 项目的商标。"
     }
   },

frontend/src/v2/__tests__/V2Register.test.tsx

@@ -316,3 +316,16 @@ describe('V2Register invite code handoff', () => {
     expect(body.invitationCode).toBe('CM-KEPT');
   });
 });
+
+// Launch row 2: signup links the Terms and Privacy pages it asks people to agree to.
+describe('V2Register legal links', () => {
+  beforeEach(() => {
+    axios.get.mockResolvedValue({ data: { inviteOnly: false, providers: [] } });
+  });
+
+  it('links Terms and Privacy under the form', async () => {
+    renderRegister();
+    expect(await screen.findByRole('link', { name: 'Terms' })).toHaveAttribute('href', '/terms');
+    expect(screen.getByRole('link', { name: 'Privacy' })).toHaveAttribute('href', '/privacy');
+  });
+});

frontend/src/v2/components/V2Register.tsx

@@ -239,6 +239,16 @@ const V2Register: React.FC = () => {
 
         <V2OAuthButtons invite={invitationCode || undefined} next={nextPath} />
 
+        <div className="v2-login__hint">
+          <Trans
+            i18nKey="auth.register.legal"
+            components={{
+              terms: <Link to="/terms" className="v2-login__link" />,
+              privacy: <Link to="/privacy" className="v2-login__link" />,
+            }}
+          />
+        </div>
+
         <div className="v2-login__hint">
           {t('auth.register.alreadyHaveAccount')}
           {' '}

frontend/src/v2/landing/V2LandingPage.tsx

@@ -965,6 +965,8 @@ const V2LandingPage: React.FC = () => {
           <div className="v2-landing__footer-col">
             <div className="v2-landing__footer-title">{t('landing.footer.legal')}</div>
             <a className="v2-landing__footer-link" href={`${REPO}/blob/main/LICENSE`} target="_blank" rel="noreferrer">{t('landing.footer.license')}</a>
+            <Link className="v2-landing__footer-link" to="/terms">{t('landing.footer.terms')}</Link>
+            <Link className="v2-landing__footer-link" to="/privacy">{t('landing.footer.privacy')}</Link>
           </div>
         </div>
         {/* Copyright is retained under Apache-2.0 — the license grants

frontend/src/v2/landing/__tests__/landingLegalLinks.test.tsx

@@ -0,0 +1,34 @@
+import React from 'react';
+import { render, screen, within } from '@testing-library/react';
+import { MemoryRouter } from 'react-router-dom';
+import axios from 'axios';
+import i18n from '../../../i18n';
+import { useAuth } from '../../../context/AuthContext';
+import V2LandingPage from '../V2LandingPage';
+
+/**
+ * Launch row 2. /terms and /privacy shipped with no link reaching them; the
+ * footer's Legal column is where a visitor looks for both.
+ */
+
+jest.mock('axios');
+jest.mock('../../../context/AuthContext', () => ({
+  useAuth: jest.fn(),
+}));
+
+describe('V2LandingPage legal links', () => {
+  beforeEach(async () => {
+    (axios.get as jest.Mock).mockResolvedValue({ data: {} });
+    (useAuth as jest.Mock).mockReturnValue({ isAuthenticated: false });
+    await i18n.changeLanguage('en');
+  });
+
+  afterEach(() => jest.clearAllMocks());
+
+  it('links Terms and Privacy from the footer', () => {
+    const { container } = render(<MemoryRouter><V2LandingPage /></MemoryRouter>);
+    const footer = container.querySelector('footer') as HTMLElement;
+    expect(within(footer).getByRole('link', { name: 'Terms' })).toHaveAttribute('href', '/terms');
+    expect(within(footer).getByRole('link', { name: 'Privacy' })).toHaveAttribute('href', '/privacy');
+  });
+});