Add bridge lane health API and config-ready lane UI for Tier A Week 3.

Probe LINK balances on CCIP bridge contracts, expose proof-transfer metadata on bridge status, and render funded/unfunded lane health on /bridge with extended smoke coverage.

Co-authored-by: Cursor <[email protected]>

frontend/src/pages/docs/index.tsx

@@ -10,6 +10,11 @@ const docsCards = [
     href: '/docs/posture-glossary',
     description: 'First-read definitions for x402, ISO-20022, forward-canonical, cW public-network, and related explorer badges.',
   },
+  {
+    title: 'Config compatibility keys',
+    href: '/docs/posture-glossary#transportactive-config-compatibility',
+    description: 'Methodology for public /config compatibility keys (transportActive, forward-canonical) and planned v2 alias mapping.',
+  },
   {
     title: 'Public API access',
     href: '/docs/public-api-access',

frontend/src/pages/docs/posture-glossary.tsx

@@ -36,7 +36,8 @@ export default function PostureGlossaryDocsPage() {
         </Card>
 
         {postureGlossaryTerms.map((term) => (
-          <Card key={term.id} title={term.title}>
+          <div key={term.id} id={term.id === 'transport-active' ? 'transportactive-config-compatibility' : undefined}>
+            <Card title={term.title}>
             <div className="space-y-3 text-sm leading-6 text-gray-600 dark:text-gray-400">
               <p>{term.summary}</p>
               <div className="rounded-xl border border-sky-200 bg-sky-50/70 p-4 text-sky-950 dark:border-sky-900/50 dark:bg-sky-950/20 dark:text-sky-100">
@@ -52,6 +53,7 @@ export default function PostureGlossaryDocsPage() {
               ) : null}
             </div>
           </Card>
+          </div>
         ))}
 
         <Card title="Related references">