feat: explorer API, wallet, CCIP scripts, and config refresh

- Backend REST/gateway/track routes, analytics, Blockscout proxy paths.
- Frontend wallet and liquidity surfaces; MetaMask token list alignment.
- Deployment docs, verification scripts, address inventory updates.

Check: go build ./... under backend/ (pass).
Made-with: Cursor

frontend/src/services/api/blockscout.ts

@@ -1,9 +1,10 @@
+import { resolveExplorerApiBase } from '@/libs/frontend-api-client/api-base'
 import type { Block } from './blocks'
 import type { Transaction } from './transactions'
 import type { TransactionSummary } from './addresses'
 
 export function getExplorerApiBase() {
-  return (process.env.NEXT_PUBLIC_API_URL || 'http://localhost:8080').replace(/\/$/, '')
+  return resolveExplorerApiBase()
 }
 
 export async function fetchBlockscoutJson<T>(path: string): Promise<T> {