diff --git a/nodes/main/visualization/preview_mesh_dual.py b/nodes/main/visualization/preview_mesh_dual.py
index 6dc5e2b0..f751722b 100644
--- a/nodes/main/visualization/preview_mesh_dual.py
+++ b/nodes/main/visualization/preview_mesh_dual.py
@@ -86,6 +86,14 @@ class PreviewMeshDualNode:
                     "default": False,
                     "tooltip": "Show mesh edge overlay"
                 }),
+                "camera_state": ("STRING", {
+                    "default": "",
+                    "tooltip": "Camera position/orientation state (managed by viewer)"
+                }),
+                "selected_field": ("STRING", {
+                    "default": "",
+                    "tooltip": "Active scalar field for visualization (managed by viewer)"
+                }),
             }
         }
 
@@ -94,7 +102,7 @@ class PreviewMeshDualNode:
     FUNCTION = "preview_dual"
     CATEGORY = "geompack/visualization"
 
-    def preview_dual(self, mesh_1, mesh_2, layout="side_by_side", mode="fields", opacity_1=1.0, opacity_2=1.0, show_edges=False):
+    def preview_dual(self, mesh_1, mesh_2, layout="side_by_side", mode="fields", opacity_1=1.0, opacity_2=1.0, show_edges=False, camera_state="", selected_field=""):
         """
         Preview two meshes with chosen layout and visualization mode.
 
@@ -176,6 +184,8 @@ class PreviewMeshDualNode:
                 "opacity_1": [float(opacity_1)],
                 "opacity_2": [float(opacity_2)],
                 "show_edges": [bool(show_edges)],
+                "camera_state": [camera_state],
+                "selected_field": [selected_field],
             }
 
             # Add mode-specific metadata
@@ -239,6 +249,8 @@ class PreviewMeshDualNode:
                 "is_watertight_1": [bool(mesh_1.is_watertight) if not is_point_cloud(mesh_1) else False],
                 "is_watertight_2": [bool(mesh_2.is_watertight) if not is_point_cloud(mesh_2) else False],
                 "show_edges": [bool(show_edges)],
+                "camera_state": [camera_state],
+                "selected_field": [selected_field],
             }
 
             # Add mode-specific metadata
diff --git a/nodes/main/visualization/preview_mesh_multi.py b/nodes/main/visualization/preview_mesh_multi.py
index 3e32475b..fd93868d 100644
--- a/nodes/main/visualization/preview_mesh_multi.py
+++ b/nodes/main/visualization/preview_mesh_multi.py
@@ -95,6 +95,10 @@ class PreviewMeshMultiNode:
                     "default": "",
                     "tooltip": "Camera position/orientation state (managed by viewer)"
                 }),
+                "selected_field": ("STRING", {
+                    "default": "",
+                    "tooltip": "Active scalar field for visualization (managed by viewer)"
+                }),
             }
         }
 
@@ -103,7 +107,7 @@ class PreviewMeshMultiNode:
     FUNCTION = "preview_multi"
     CATEGORY = "geompack/visualization"
 
-    def preview_multi(self, mesh_1, mesh_2=None, mesh_3=None, mesh_4=None, mode="fields", show_edges=False, camera_state=""):
+    def preview_multi(self, mesh_1, mesh_2=None, mesh_3=None, mesh_4=None, mode="fields", show_edges=False, camera_state="", selected_field=""):
         """
         Preview multiple meshes in a grid layout.
 
@@ -215,6 +219,7 @@ class PreviewMeshMultiNode:
             "is_watertight_list": [is_watertight_list],
             "show_edges": [bool(show_edges)],
             "camera_state": [camera_state],
+            "selected_field": [selected_field],
         }
 
         # Add mode-specific metadata
diff --git a/nodes/main/visualization/preview_mesh_vtk.py b/nodes/main/visualization/preview_mesh_vtk.py
index 0fa60c54..86b33d6f 100644
--- a/nodes/main/visualization/preview_mesh_vtk.py
+++ b/nodes/main/visualization/preview_mesh_vtk.py
@@ -51,6 +51,10 @@ class PreviewMeshVTKNode:
                     "default": "",
                     "tooltip": "Camera position/orientation state (managed by viewer)"
                 }),
+                "selected_field": ("STRING", {
+                    "default": "",
+                    "tooltip": "Active scalar field for visualization (managed by viewer)"
+                }),
             },
         }
 
@@ -59,7 +63,7 @@ class PreviewMeshVTKNode:
     FUNCTION = "preview_mesh_vtk"
     CATEGORY = "geompack/visualization"
 
-    def preview_mesh_vtk(self, mode="fields", trimesh=None, voxelgrid=None, show_edges=False, camera_state=""):
+    def preview_mesh_vtk(self, mode="fields", trimesh=None, voxelgrid=None, show_edges=False, camera_state="", selected_field=""):
         """
         Export mesh and prepare for VTK.js preview.
 
@@ -241,6 +245,7 @@ class PreviewMeshVTKNode:
             "is_watertight": [bool(is_watertight)],
             "show_edges": [bool(show_edges)],
             "camera_state": [camera_state],
+            "selected_field": [selected_field],
         }
 
         # Add mode-specific metadata
diff --git a/requirements.txt b/requirements.txt
index 7d2a7e4d..ee7f557a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 # Main process deps (prestartup + lightweight shared libs)
-comfy-env==0.1.89
+comfy-env==0.1.90
 comfy-dynamic-widgets==0.1.4
-comfy-3d-viewers==0.2.13
+comfy-3d-viewers==0.2.14
 numpy
 trimesh[easy]>=4.0.0
 scipy>=1.7.0