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

backend/api/rest/routes_proxy.go

@@ -40,6 +40,12 @@ func (s *Server) proxyRouteTreeEndpoint(w http.ResponseWriter, r *http.Request,
 	}
 
 	proxy := httputil.NewSingleHostReverseProxy(target)
+	originalDirector := proxy.Director
+	proxy.Director = func(req *http.Request) {
+		originalDirector(req)
+		req.URL.Path = joinProxyPath(target.Path, path)
+		req.URL.RawPath = req.URL.Path
+	}
 	proxy.ErrorHandler = func(rw http.ResponseWriter, req *http.Request, proxyErr error) {
 		writeError(rw, http.StatusBadGateway, "bad_gateway", fmt.Sprintf("route tree proxy failed for %s: %v", path, proxyErr))
 	}
@@ -47,6 +53,17 @@ func (s *Server) proxyRouteTreeEndpoint(w http.ResponseWriter, r *http.Request,
 	proxy.ServeHTTP(w, r)
 }
 
+func joinProxyPath(basePath, path string) string {
+	switch {
+	case strings.HasSuffix(basePath, "/") && strings.HasPrefix(path, "/"):
+		return basePath + path[1:]
+	case !strings.HasSuffix(basePath, "/") && !strings.HasPrefix(path, "/"):
+		return basePath + "/" + path
+	default:
+		return basePath + path
+	}
+}
+
 func firstNonEmptyEnv(keys ...string) string {
 	for _, key := range keys {
 		if value := strings.TrimSpace(os.Getenv(key)); value != "" {