Keep primitive properties editable after fillet

src/scene/model/solid_history.rs

@@ -198,7 +198,7 @@ pub fn has_specialized_primitive_properties(
     handle: acadrust::Handle,
 ) -> bool {
     matches!(
-        document.solid_history_operation(handle),
+        primitive_property_operation(document, handle).as_ref(),
         Some(
             SolidHistoryOperation::Box(_)
                 | SolidHistoryOperation::Wedge(_)
@@ -215,6 +215,19 @@ pub fn has_specialized_primitive_properties(
     )
 }
 
+/// Return the primitive that owns the public Geometry rows. Later edge
+/// operations refine that primitive without replacing its editable type,
+/// position, or dimensions.
+pub fn primitive_property_operation(
+    document: &acadrust::CadDocument,
+    handle: acadrust::Handle,
+) -> Option<SolidHistoryOperation> {
+    document
+        .solid_history_operations(handle)
+        .and_then(|operations| operations.into_iter().next())
+        .or_else(|| document.solid_history_operation(handle).cloned())
+}
+
 /// Solid history results whose public Properties palette is fully described by
 /// the common entity rows plus [`primitive_properties`].  A generic B-rep has
 /// no stable primitive dimensions to expose, but it still uses the compact
@@ -1439,10 +1452,10 @@ pub fn primitive_properties(
     document: &acadrust::CadDocument,
     handle: acadrust::Handle,
 ) -> Vec<PropSection> {
-    let Some(operation) = document.solid_history_operation(handle) else {
+    let Some(operation) = primitive_property_operation(document, handle) else {
         return brep_properties(document, handle);
     };
-    match operation {
+    match &operation {
         SolidHistoryOperation::Box(value) => {
             rectangular_properties(document, handle, value, "Box")
         }