Cargo: codec e023bc3 (acadrust sync), kernel abca4e8, graph c63556f

The codec now holds wide EntityType variants boxed (MText, Helix,
Dimension, Hatch, Viewport, MultiLeader, Surface, Table, Ole2Frame,
Light, Extended). Constructors box their entity; nested patterns reach
a dimension through entities::dimension::as_dimension(_mut). Also
follows BlockAction::action_ids, LineTypeComplexData::source_flags and
the decimal tab stop with an explicit character.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/app/command_driver/clipboard.rs

@@ -1405,7 +1405,7 @@ mod paste_entities_kernel_tests {
     fn remaps_leader_annotation_link_to_pasted_handles() {
         let mut seed = codec::CadDocument::new();
         let note = seed
-            .add_entity(codec::EntityType::MText(codec::entities::MText::new()))
+            .add_entity(codec::EntityType::MText(Box::new(codec::entities::MText::new())))
             .unwrap();
         let mut leader = codec::entities::Leader::default();
         leader.annotation_handle = note;

src/app/command_driver/dim_edit.rs

@@ -36,10 +36,12 @@ impl OpenCADStudio {
     ) {
         let i = self.active_tab;
         let valid = matches!(
-            self.tabs[i].scene.document.get_entity(dimension),
-            Some(codec::EntityType::Dimension(
-                codec::entities::Dimension::Linear(_) | codec::entities::Dimension::Aligned(_)
-            ))
+            self.tabs[i]
+                .scene
+                .document
+                .get_entity(dimension)
+                .and_then(crate::entities::dimension::as_dimension),
+            Some(codec::entities::Dimension::Linear(_) | codec::entities::Dimension::Aligned(_))
         );
         if !valid {
             self.command_line.push_error(
@@ -415,8 +417,12 @@ fn apply_dimspace(
     requested_spacing: Option<f64>,
 ) -> bool {
     use codec::entities::Dimension;
-    let (axis, normal, definition, auto_spacing) = match scene.document.get_entity(base_h) {
-        Some(codec::EntityType::Dimension(dimension @ Dimension::Linear(d))) => {
+    let base = scene
+        .document
+        .get_entity(base_h)
+        .and_then(crate::entities::dimension::as_dimension);
+    let (axis, normal, definition, auto_spacing) = match base {
+        Some(dimension @ Dimension::Linear(d)) => {
             let spacing = dimension_auto_spacing(
                 &scene.document,
                 dimension,
@@ -433,7 +439,7 @@ fn apply_dimspace(
                 spacing,
             )
         }
-        Some(codec::EntityType::Dimension(dimension @ Dimension::Aligned(d))) => {
+        Some(dimension @ Dimension::Aligned(d)) => {
             let spacing = dimension_auto_spacing(
                 &scene.document,
                 dimension,
@@ -471,7 +477,7 @@ fn apply_dimspace(
                     kernel::space::move_to_dimension_spacing([p.x, p.y, p.z], frame, target);
                 *p = codec::types::Vector3::new(point[0], point[1], point[2]);
             };
-            match dim {
+            match &mut **dim {
                 Dimension::Linear(d) => {
                     slide(&mut d.definition_point);
                     d.base.definition_point = d.definition_point;

src/app/command_driver/entity_commit.rs

@@ -39,10 +39,8 @@ impl OpenCADStudio {
         let delta_safe = self.delta_add_safe(i, &entity);
         let pending = self.begin_undo(i, label, 1, delta_safe);
         let is_associative_dimension = matches!(
-            entity,
-            codec::EntityType::Dimension(
-                codec::entities::Dimension::Linear(_) | codec::entities::Dimension::Aligned(_)
-            )
+            crate::entities::dimension::as_dimension(&entity),
+            Some(codec::entities::Dimension::Linear(_) | codec::entities::Dimension::Aligned(_))
         );
         let association_enabled = self.tabs[i].scene.document.header.dimension_associativity == 2;
         let committed = if preserve_commit_layer {
@@ -257,10 +255,8 @@ impl OpenCADStudio {
         };
         let pending = self.begin_undo(i, label, 1, delta_safe);
         let is_associative_dimension = matches!(
-            entity,
-            codec::EntityType::Dimension(
-                codec::entities::Dimension::Linear(_) | codec::entities::Dimension::Aligned(_)
-            )
+            crate::entities::dimension::as_dimension(&entity),
+            Some(codec::entities::Dimension::Linear(_) | codec::entities::Dimension::Aligned(_))
         );
         let association_enabled = self.tabs[i].scene.document.header.dimension_associativity == 2;
         let committed = if preserve_commit_layer {
@@ -324,8 +320,8 @@ impl OpenCADStudio {
         let label = self.history_label_from_active_cmd(i, "DIMENSION");
         let association_mode = self.tabs[i].scene.document.header.dimension_associativity;
         let single_source_dimension = matches!(
-            &entity,
-            codec::EntityType::Dimension(codec::entities::Dimension::Ordinate(_))
+            crate::entities::dimension::as_dimension(&entity),
+            Some(codec::entities::Dimension::Ordinate(_))
         );
         // A dimension placed on the sheet but measuring model geometry
         // through a viewport carries the compensation as a negative

src/app/command_driver/text_edit.rs

@@ -160,7 +160,7 @@ impl OpenCADStudio {
                         Operation::Rotate(degrees) => {
                             dimension.base_mut().text_rotation = degrees.to_radians();
                         }
-                        Operation::Oblique(degrees) => match dimension {
+                        Operation::Oblique(degrees) => match &mut **dimension {
                             codec::entities::Dimension::Linear(value) => {
                                 value.ext_line_rotation = degrees.to_radians();
                             }

src/app/command_driver/transform.rs

@@ -463,7 +463,7 @@ impl OpenCADStudio {
                             false
                         }
                     };
-                    match dim {
+                    match &mut **dim {
                         Dimension::Linear(d) => {
                             stretched |= mv(&mut d.first_point);
                             stretched |= mv(&mut d.second_point);

src/app/command_driver/viewport.rs

@@ -21,7 +21,7 @@ impl OpenCADStudio {
         });
         let label = self.history_label_from_active_cmd(i, "MVIEW");
         let pending = self.begin_undo(i, label, 1, true);
-        let handle = self.commit_entity_handle(codec::EntityType::Viewport(viewport));
+        let handle = self.commit_entity_handle(codec::EntityType::Viewport(Box::new(viewport)));
         if let (Some(handle), Some(saved)) = (handle, saved_view) {
             if let Some(codec::EntityType::Viewport(viewport)) =
                 self.tabs[i].scene.document.get_entity_mut(handle)
@@ -244,7 +244,8 @@ impl OpenCADStudio {
         viewport.id = 2;
         viewport.clip_boundary_handle = clip_handle;
         viewport.status.non_rectangular_clipping = !clip_handle.is_null();
-        let viewport_handle = self.commit_entity_handle(codec::EntityType::Viewport(viewport));
+        let viewport_handle =
+            self.commit_entity_handle(codec::EntityType::Viewport(Box::new(viewport)));
         if let Some(viewport_handle) = viewport_handle {
             if !created_boundary {
                 let before = self.tabs[i]