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

scripts/test-end-to-end-bridge.sh

@@ -57,7 +57,7 @@ log_success "  RPC accessible (block: $BLOCK_NUMBER)"
 
 # Check bridge configuration
 log_info "  Checking bridge configuration..."
-WETH9_BRIDGE="0x971cD9D156f193df8051E48043C476e53ECd4693"
+WETH9_BRIDGE="0xcacfd227A040002e49e2e01626363071324f820a"
 DEST=$(cast call "$WETH9_BRIDGE" "destinations(uint64)" "$DESTINATION_SELECTOR" --rpc-url "$RPC_URL" 2>/dev/null || echo "")
 DEST_CLEAN=$(echo "$DEST" | grep -oE "^0x[0-9a-fA-F]{40}$" | head -1 || echo "")
 if [ -z "$DEST_CLEAN" ] || echo "$DEST_CLEAN" | grep -qE "^0x0+$"; then
@@ -111,7 +111,7 @@ log_info ""
 log_info "Step 4: Verify Fee Calculation"
 log_info ""
 
-CCIP_ROUTER="0x8078A09637e47Fa5Ed34F626046Ea2094a5CDE5e"
+CCIP_ROUTER="0x42DAb7b888Dd382bD5Adcf9E038dBF1fD03b4817"
 FEE_RESULT=$(cast call "$CCIP_ROUTER" "getFee(uint64,bytes)" "$DESTINATION_SELECTOR" "0x" --rpc-url "$RPC_URL" 2>/dev/null || echo "")
 if [ -n "$FEE_RESULT" ] && [ "$FEE_RESULT" != "0x" ]; then
     FEE_WEI=$(echo "$FEE_RESULT" | grep -oE "[0-9]+" | head -1 || echo "")