feat(logging): enhance logging in GarageAdminService with detailed request information

Signed-off-by: Noooste <83548733+Noooste@users.noreply.github.com>

backend/pkg/utils/retry.go

@@ -5,6 +5,7 @@ import (
 	"errors"
 	"fmt"
 	"net"
+	"strings"
 	"syscall"
 	"time"
 )
@@ -50,6 +51,15 @@ func IsConnectionRefused(err error) bool {
 		return true
 	}
 
+	// Some HTTP clients (e.g. azuretls) collapse the syscall error into a
+	// plain string before returning. Fall back to substring matching so the
+	// retry path still triggers for those wrappers. "connectex" is the
+	// Windows variant emitted by the Go runtime.
+	msg := err.Error()
+	if strings.Contains(msg, "connection refused") || strings.Contains(msg, "actively refused") {
+		return true
+	}
+
 	return false
 }