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/utils/search.ts

@@ -0,0 +1,41 @@
+export type DirectSearchTarget =
+  | { kind: 'address'; href: string; label: string }
+  | { kind: 'transaction'; href: string; label: string }
+  | { kind: 'block'; href: string; label: string }
+
+const addressPattern = /^0x[a-f0-9]{40}$/i
+const transactionHashPattern = /^0x[a-f0-9]{64}$/i
+const blockNumberPattern = /^\d+$/
+
+export function inferDirectSearchTarget(query: string): DirectSearchTarget | null {
+  const trimmed = query.trim()
+  if (!trimmed) {
+    return null
+  }
+
+  if (addressPattern.test(trimmed)) {
+    return {
+      kind: 'address',
+      href: `/addresses/0x${trimmed.slice(2)}`,
+      label: 'Open address',
+    }
+  }
+
+  if (transactionHashPattern.test(trimmed)) {
+    return {
+      kind: 'transaction',
+      href: `/transactions/0x${trimmed.slice(2)}`,
+      label: 'Open transaction',
+    }
+  }
+
+  if (blockNumberPattern.test(trimmed)) {
+    return {
+      kind: 'block',
+      href: `/blocks/${trimmed}`,
+      label: 'Open block',
+    }
+  }
+
+  return null
+}