feat(result-contract-completion): step 2 — self-contained-hdf5

include/fesa/io/hdf5/writer.hpp

@@ -4,6 +4,7 @@
 #include <cstdint>
 #include <filesystem>
 #include <optional>
+#include <string>
 #include <vector>
 
 #include <fesa/core/diagnostic.hpp>
@@ -26,27 +27,60 @@ struct Hdf5NodeSnapshot final {
 struct Hdf5ElementSnapshot final {
     std::uint64_t dense_index;
     ElementId id;
+    EntityOrigin origin;
     std::array<std::uint64_t, 2> connectivity;
+    MaterialId material;
     SectionId section;
 };
 
 struct Hdf5SectionSnapshot final {
     SectionId id;
+    std::string name;
+    double area;
+    double iy;
+    double iz;
+    double torsion_j;
     double shear_area_y;
     double shear_area_z;
     ShearPropertySource shear_source;
+    Vec3 orientation;
+    std::vector<std::array<double, 2>> recovery_points;
 };
 
 struct Hdf5ModelSnapshot final {
     std::vector<Hdf5NodeSnapshot> nodes;
     std::vector<Hdf5ElementSnapshot> elements;
+    std::vector<IsotropicElastic> materials;
     std::vector<Hdf5SectionSnapshot> sections;
+    std::vector<NodeSet> node_sets;
+    std::vector<ElementSet> element_sets;
+};
+
+struct Hdf5MetadataSnapshot final {
+    std::string schema_version;
+    std::string fesa_version;
+    std::string unit_policy;
+};
+
+struct Hdf5SolverSettingsSnapshot final {
+    std::string backend;
+    std::string matrix_storage;
+    std::string matrix_type;
+    std::string constraint_method;
+    std::string assembly;
+};
+
+struct Hdf5AnalysisSnapshot final {
+    StepDefinition step;
+    Hdf5SolverSettingsSnapshot solver;
 };
 
 struct Hdf5ReadResult final {
     std::optional<ResultDatabase> database;
     std::vector<Diagnostic> diagnostics;
     std::optional<Hdf5ModelSnapshot> model;
+    std::optional<Hdf5MetadataSnapshot> metadata;
+    std::optional<Hdf5AnalysisSnapshot> analysis;
 };
 
 [[nodiscard]] std::vector<Diagnostic> write_hdf5(