feat: 完善Face保持关系守门与大模型预判

scripts/verify_face_freeform_guard.py

@@ -120,8 +120,11 @@ def main() -> int:
         feature_keys = {str(spec.get("key")) for spec in feature_rows}
         if "no_editable_feature_dimensions" not in feature_keys:
             raise SystemExit(f"feature mode should say there are no reliable dimensions: {feature_rows}")
-        if "freeform_surface_edit_semantics" not in feature_keys:
-            raise SystemExit(f"feature mode should keep the freeform limitation explanation: {feature_rows}")
+        if "freeform_surface_edit_semantics" in feature_keys:
+            raise SystemExit(
+                "feature parameter table should keep freeform limitations in diagnostics, "
+                f"not mixed into editable parameters: {feature_rows}"
+            )
         _assert_no_editable_actions(feature_rows, "feature mode rows")
 
         print(