feat(partner): let sub-accounts view team leaderboard

Expose same-primary ranking on home/me for all staff including warehouse roles, and open the leaderboard API without business permission gates.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/h5-partner/src/pages/CenterPage.tsx

@@ -251,6 +251,15 @@ export default function CenterPage({ variant = 'primary', roleLabel }: CenterPag
       {!isPrimary && (
         <section className="partner-menu-section">
           <div className="partner-menu-card">
+            <Link to="/leaderboard" className="partner-menu-item">
+              <div className="partner-menu-item-left">
+                <div className="partner-menu-icon">
+                  <span className="material-symbols-outlined">emoji_events</span>
+                </div>
+                <span className="body-md" style={{ fontSize: 16 }}>团队贡献榜</span>
+              </div>
+              <span className="material-symbols-outlined text-muted">chevron_right</span>
+            </Link>
             <button type="button" className="partner-menu-item" onClick={() => { if (!contactSupport()) toastError('暂无客服电话'); }}>
               <div className="partner-menu-item-left">
                 <div className="partner-menu-icon"><span className="material-symbols-outlined">support_agent</span></div>