diff --git a/tools/adaptive-isogrid/src/brain/geometry_schema.py b/tools/adaptive-isogrid/src/brain/geometry_schema.py
index 908370d7..40a279f0 100644
--- a/tools/adaptive-isogrid/src/brain/geometry_schema.py
+++ b/tools/adaptive-isogrid/src/brain/geometry_schema.py
@@ -270,8 +270,17 @@ def normalize_geometry_schema(geometry: Dict[str, Any]) -> Dict[str, Any]:
         return out
 
     out = deepcopy(geometry)
+
+    # v2: outer_boundary contains typed segment dicts, or outer_boundary_typed exists
+    raw_outer = out.get("outer_boundary", [])
     typed_outer = out.get("outer_boundary_typed", [])
+
+    # Detect if outer_boundary itself contains typed segments (v2 extraction output)
+    if raw_outer and isinstance(raw_outer[0], dict) and "type" in raw_outer[0]:
+        typed_outer = raw_outer  # outer_boundary IS the typed segments
+
     if typed_outer:
+        out["outer_boundary_typed"] = typed_outer
         out["outer_boundary"] = _typed_segments_to_polyline_v2(typed_outer)
 
     inner_boundaries = out.get("inner_boundaries", [])