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/public/config/mission-control-verify.example.json

@@ -0,0 +1,8 @@
+{
+  "publishedAt": "2026-04-04T00:00:00Z",
+  "source": "operator-verify-scripts",
+  "summary": "Copy to mission-control-verify.json on the explorer host and set MISSION_CONTROL_VERIFY_JSON on the Go service.",
+  "checks": [
+    { "name": "example", "ok": true, "detail": "Replace with real verify output." }
+  ]
+}