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

deployment/docker-compose.yml

@@ -93,6 +93,9 @@ services:
       - PORT=8080
       - CHAIN_ID=138
       - REDIS_URL=redis://redis:6379
+      # Optional relay health for mission-control / bridge UI (see backend CCIP_RELAY_HEALTH_URLS)
+      - CCIP_RELAY_HEALTH_URL=${CCIP_RELAY_HEALTH_URL:-}
+      - CCIP_RELAY_HEALTH_URLS=${CCIP_RELAY_HEALTH_URLS:-}
     ports:
       - "8080:8080"
     depends_on: