Cargo: codec eaa6d79, kernel bb355ca, graph 9c17779

- Gradient stops keep their DWG color book name and book; RGB wins over
  ACI in a DXF gradient block in either tag order.
- MTEXT decimal tab stops keep their alignment character.

Co-Authored-By: Claude Opus 5.5 <[email protected]>

src/app/update/graphic_attributes.rs

@@ -97,6 +97,7 @@ fn set_hatch_graphic_attribute(
                         g: channel(visible_color[1]),
                         b: channel(visible_color[2]),
                     },
+                    ..Default::default()
                 },
                 codec::entities::hatch::GradientColorEntry {
                     value: 1.0,
@@ -105,6 +106,7 @@ fn set_hatch_graphic_attribute(
                         g: 46,
                         b: 46,
                     },
+                    ..Default::default()
                 },
             ];
         }
@@ -688,10 +690,12 @@ impl OpenCADStudio {
                     codec::entities::hatch::GradientColorEntry {
                         value: 0.0,
                         color: state.color_1,
+                        ..Default::default()
                     },
                     codec::entities::hatch::GradientColorEntry {
                         value: 1.0,
                         color: state.color_2,
+                        ..Default::default()
                     },
                 ];
                 hatch.pattern_angle = angle;

src/app/update/mod.rs

@@ -8142,6 +8142,7 @@ impl OpenCADStudio {
                                     codec::entities::hatch::GradientColorEntry {
                                         value,
                                         color: codec::types::Color::Index(7),
+                                        ..Default::default()
                                     },
                                 );
                             }