Integrate Refactor solver sources and dual MSVC CMake builds

include/fesa/model/domain.h

@@ -11,6 +11,8 @@
 #include "fesa/constraints/boundary_condition.h"
 #include "fesa/constraints/prescribed_displacement.h"
 #include "fesa/core/status.h"
+#include "fesa/elements/ds4_thermal.h"
+#include "fesa/materials/isotropic_thermal_material.h"
 #include "fesa/loads/concentrated_nodal_load.h"
 #include "fesa/loads/load.h"
 #include "fesa/model/model_types.h"

include/fesa/model/model_types.h

@@ -13,12 +13,11 @@
 
 #include "fesa/core/diagnostic.h"
 #include "fesa/core/source_identity.h"
-#include "fesa/elements/ds4_thermal.h"
-#include "fesa/elements/euler_beam_3d.h"
+#include "fesa/elements/euler_beam_3d_definition.h"
 #include "fesa/elements/hex8_definition.h"
-#include "fesa/elements/mitc4_shell.h"
+#include "fesa/elements/mitc4_shell_definition.h"
+#include "fesa/elements/thermal_dof_component.h"
 #include "fesa/materials/isotropic_linear_elastic_material.h"
-#include "fesa/materials/isotropic_thermal_material.h"
 #include "fesa/properties/general_beam_section.h"
 #include "fesa/properties/shell_section.h"
 #include "fesa/properties/solid_section.h"
@@ -302,16 +301,6 @@ struct ThermalInitialConditionDefinition {
   SourceLocation location;
 };
 
-/// @brief Identifies the fixed bottom-to-top thermal station source DOFs.
-/// @note This is separate from the six-component structural DofComponent.
-enum class ThermalDofComponent : int {
-  kBottom = 11,
-  kLower = 12,
-  kMiddle = 13,
-  kUpper = 14,
-  kTop = 15
-};
-
 /// @brief Stores one prescribed thermal source DOF value.
 struct ThermalBoundaryConditionDefinition {
   EntityIndex node_index;

include/fesa/model/source_target_resolver.h

@@ -38,6 +38,14 @@ class SourceTargetIndex {
   /// @return An owning index that preserves Domain declaration order.
   static SourceTargetIndex FromDomain(const Domain& domain);
 
+  /// @brief Copies node and set identities before Domain ownership begins.
+  /// @param nodes Semantic nodes in stable expanded declaration order.
+  /// @param node_sets Node memberships in stable source order.
+  /// @return An owning node-only index preserving raw spelling and scope.
+  /// @note The returned index outlives its inputs; no Domain is constructed.
+  static SourceTargetIndex FromNodeDefinitions(
+      const std::vector<Node>& nodes, const std::vector<NodeSet>& node_sets);
+
   /// @brief Returns owned entries without exposing mutable index state.
   const std::vector<SourceTargetIndexEntry>& Entries() const noexcept;