Integrate Refactor solver sources and dual MSVC CMake builds

include/fesa/elements/mitc4_shell.h

@@ -3,12 +3,11 @@
 
 #include <array>
 #include <string>
-#include <string_view>
 #include <vector>
 
 #include "fesa/core/status.h"
 #include "fesa/elements/element.h"
-#include "fesa/elements/element_definition.h"
+#include "fesa/elements/mitc4_shell_definition.h"
 #include "fesa/materials/isotropic_linear_elastic_material.h"
 #include "fesa/math/matrix.h"
 #include "fesa/math/vector.h"
@@ -17,52 +16,8 @@
 
 namespace fesa {
 
-class Domain;
 struct Node;
 
-/// @brief Preserves the source shell type independently of formulation.
-enum class ShellSourceElementType { kS4, kS4r };
-
-/// @brief Names the internal shell formulation selected by S4 and S4R.
-inline constexpr std::string_view kMitc4InternalFormulation{"FESA-MITC4"};
-
-/// @brief Defines one four-node S4/S4R semantic element.
-class Mitc4ShellDefinition final : public ElementDefinition {
- public:
-  /// @brief Constructs a parser-validated semantic definition.
-  Mitc4ShellDefinition(SourceEntityId source_id,
-                       ShellSourceElementType source_type,
-                       std::array<EntityIndex, 4> node_indices,
-                       EntityIndex material_index, EntityIndex section_index,
-                       SourceLocation location);
-
-  ElementDefinitionKind Kind() const noexcept override;
-  const SourceEntityId& SourceId() const noexcept override;
-  std::string_view SourceElementType() const noexcept override;
-  const std::vector<EntityIndex>& NodeIndices() const noexcept override;
-  EntityIndex MaterialIndex() const noexcept override;
-  EntityIndex PropertyIndex() const noexcept override;
-
-  SourceEntityId source_id;
-  ShellSourceElementType source_type;
-  std::array<EntityIndex, 4> node_indices;
-  EntityIndex material_index;
-  EntityIndex section_index;
-  SourceLocation location;
-
- private:
-  friend class Domain;
-
-  /// @brief Rebinds a shell-local section index to the unified property view.
-  void SetPropertyIndex(EntityIndex property_index) noexcept;
-
-  /// @brief Synchronizes the base view after parser-candidate construction.
-  void SynchronizeNodeIndices();
-
-  EntityIndex property_index_;
-  std::vector<EntityIndex> node_indices_view_;
-};
-
 /// @brief Stores bilinear shape values and natural-coordinate derivatives.
 struct Mitc4ShapeFunctions {
   std::array<double, 4> values;
@@ -213,11 +168,10 @@ class Mitc4Shell final : public Element {
   void BindRuntime(ElementDofLayout layout, EntityIndex element_index,
                    SourceLocation location);
 
-  /// @brief Stores covariant, reciprocal, frame, and Jacobian data at one
+  /// @brief Stores covariant, frame, and Jacobian data at one
   /// point.
   struct GeometryData {
     std::array<Vector3, 3> covariant;
-    std::array<Vector3, 3> reciprocal;
     Mitc4LocalFrame frame;
     double jacobian;
   };