Integrate Refactor solver sources and dual MSVC CMake builds

src/fesa/analysis/nonlinear_static_core.h

@@ -0,0 +1,16 @@
+#ifndef FESA_ANALYSIS_NONLINEAR_STATIC_CORE_H_
+#define FESA_ANALYSIS_NONLINEAR_STATIC_CORE_H_
+#include "fesa/analysis/nonlinear_static_execution_result.h"
+namespace fesa {
+class EquilibriumAlgorithm;
+class NewtonIterationLogWriter;
+class ParallelFor;
+class TangentSolver;
+/// @brief Runs the production core with caller-owned iteration policy.
+/// @note All adapters outlive this synchronous call; candidate/history stay local.
+Result<NonlinearStaticExecutionResult> ExecuteNonlinearStaticCore(
+    const Domain& domain, NewtonIterationLogWriter& log,
+    const ParallelFor& parallel_for, TangentSolver& tangent_solver,
+    EquilibriumAlgorithm& algorithm);
+}  // namespace fesa
+#endif  // FESA_ANALYSIS_NONLINEAR_STATIC_CORE_H_