feat(explorer): mission-control resilience, ops token labels, and CI validate

Add SSE reconnect with backoff, fallback REST polling, visibility-aware refresh,
extended token-list labels on operations pages, validate-on-pr workflow, and smoke coverage.

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

frontend/src/components/explorer/LiquidityOperationsPage.tsx

@@ -3,7 +3,8 @@
 import { useEffect, useMemo, useState } from 'react'
 import Link from 'next/link'
 import { Card } from '@/libs/frontend-ui-primitives'
-import { configApi, type TokenListResponse } from '@/services/api/config'
+import { type TokenListResponse } from '@/services/api/config'
+import { tokensApi } from '@/services/api/tokens'
 import {
   aggregateLiquidityPools,
   featuredLiquiditySymbols,
@@ -22,6 +23,7 @@ import ActivityContextPanel from '@/components/common/ActivityContextPanel'
 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 { resolveEffectiveFreshness } from '@/utils/explorerFreshness'
 import {
   formatCurrency,
@@ -98,7 +100,7 @@ export default function LiquidityOperationsPage({
     const load = async () => {
       const [tokenListResult, routeMatrixResult, plannerCapabilitiesResult, planResult, statsResult, bridgeResult] =
         await Promise.allSettled([
-          configApi.getTokenList(),
+          tokensApi.listForSurface('extended', 138).then(({ ok, data }) => ({ tokens: ok ? data : [] })),
           routesApi.getRouteMatrix(),
           plannerApi.getCapabilities(),
           plannerApi.getInternalExecutionPlan(),
@@ -273,6 +275,7 @@ export default function LiquidityOperationsPage({
           public route matrix, planner capabilities, and mission-control token pool inventory together
           so integrators can inspect what Chain 138 is actually serving right now.
         </p>
+        <TokenListSurfaceNote className="mt-3 text-sm text-gray-600 dark:text-gray-400" />
       </div>
 
       {loadingError ? (