diff --git a/hermes_cli/config.py b/hermes_cli/config.py
index 66a4024809b9..b9134add238f 100644
--- a/hermes_cli/config.py
+++ b/hermes_cli/config.py
@@ -5512,7 +5512,10 @@ _EXTRA_KNOWN_ROOT_KEYS = {
     "plugins",           # plugin enable/disable lists (hermes_cli/plugins_cmd.py)
     "smart_model_routing",   # written by the setup wizard (hermes_cli/setup.py)
     "platform_toolsets",     # written by the setup wizard (hermes_cli/setup.py)
+    "known_plugin_toolsets", # written/read by hermes_cli/tools_config.py toolset-save flow
     "session_reset",         # top-level form read by gateway/config.py + setup
+    "group_sessions_per_user",   # top-level form bridged by gateway/config.py
+    "thread_sessions_per_user",  # top-level form bridged by gateway/config.py
     "multiplex_profiles",    # top-level form accepted alongside gateway.multiplex_profiles
     "profile_routes",        # top-level form accepted alongside gateway.profile_routes
     "platforms",             # top-level per-platform map merged by gateway/config.py