Add mobile ops surface nav and footer public API links.

Operations pages get collapsible surface navigation on small screens and a shared action-card accordion; the footer surfaces read-only JSON endpoints with e2e coverage.

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

frontend/src/components/explorer/LiquidityOperationsPage.tsx

@@ -24,6 +24,7 @@ import FreshnessTrustNote from '@/components/common/FreshnessTrustNote'
 import MarketEvidenceNote from '@/components/common/MarketEvidenceNote'
 import SubsystemPosturePanel from '@/components/common/SubsystemPosturePanel'
 import TokenListSurfaceNote from '@/components/common/TokenListSurfaceNote'
+import OperationsSurfaceNav from './OperationsSurfaceNav'
 import { resolveEffectiveFreshness } from '@/utils/explorerFreshness'
 import {
   formatCurrency,
@@ -278,6 +279,8 @@ export default function LiquidityOperationsPage({
         <TokenListSurfaceNote className="mt-3 text-sm text-gray-600 dark:text-gray-400" />
       </div>
 
+      <OperationsSurfaceNav />
+
       {loadingError ? (
         <Card className="mb-6 border border-red-200 bg-red-50/70 dark:border-red-900/50 dark:bg-red-950/20">
           <p className="text-sm leading-6 text-red-900 dark:text-red-100">{loadingError}</p>