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/PoolsOperationsPage.tsx

@@ -3,7 +3,9 @@
 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 TokenListSurfaceNote from '@/components/common/TokenListSurfaceNote'
 import {
   aggregateLiquidityPools,
   getRouteBackedPoolAddresses,
@@ -28,7 +30,7 @@ export default function PoolsOperationsPage() {
 
     const load = async () => {
       const [tokenListResult, routeMatrixResult] = await Promise.allSettled([
-        configApi.getTokenList(),
+        tokensApi.listForSurface('extended', 138).then(({ ok, data }) => ({ tokens: ok ? data : [] })),
         routesApi.getRouteMatrix(),
       ])
 
@@ -100,6 +102,7 @@ export default function PoolsOperationsPage() {
           This page now summarizes the live pool inventory discovered through mission-control token
           pool endpoints and cross-checks it against the current route matrix.
         </p>
+        <TokenListSurfaceNote className="mt-3 text-sm text-gray-600 dark:text-gray-400" />
       </div>
 
       {loadingError ? (