feat(adminfront): add user profile dropdown and enhance session sync

backend/internal/service/hydra_admin_service.go

@@ -608,7 +608,7 @@ type HydraIntrospectionResponse struct {
 }
 
 func (s *HydraAdminService) IntrospectToken(ctx context.Context, token string) (*HydraIntrospectionResponse, error) {
-	endpoint := fmt.Sprintf("%s/admin/oauth2/introspect", strings.TrimRight(s.AdminURL, "/"))
+	endpoint := fmt.Sprintf("%s/oauth2/introspect", strings.TrimRight(s.AdminURL, "/"))
 	form := url.Values{}
 	form.Set("token", token)