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/vitest.config.ts

@@ -1,15 +0,0 @@
-import { defineConfig } from 'vitest/config'
-import path from 'path'
-
-export default defineConfig({
-  test: {
-    environment: 'node',
-    include: ['**/*.test.ts', '**/*.spec.ts'],
-    globals: true,
-  },
-  resolve: {
-    alias: {
-      '@': path.resolve(__dirname, './src'),
-    },
-  },
-})