fix(explorer): harden operations smoke test and surface note placement

Move extended token-list label to the operations intro, wait for network idle
before asserting, and clear conflicting NO_COLOR/FORCE_COLOR in Playwright config.

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

frontend/src/components/explorer/OperationsHubPage.tsx

@@ -181,6 +181,7 @@ export default function OperationsHubPage({
         <p className="text-base leading-7 text-gray-600 dark:text-gray-400 sm:text-lg sm:leading-8">
           {page.description}
         </p>
+        <TokenListSurfaceNote className="mt-3 text-sm text-gray-600 dark:text-gray-400" />
       </div>
 
       {page.note ? (
@@ -250,7 +251,6 @@ export default function OperationsHubPage({
           <div className="mt-2 text-sm text-gray-600 dark:text-gray-400">
             Chains · {(tokenList?.tokens || []).length} tokens across {tokenChainCoverage} networks
           </div>
-          <TokenListSurfaceNote className="mt-2 text-xs text-gray-500 dark:text-gray-400" />
         </Card>
 
         <Card className="border border-gray-200 dark:border-gray-700">