Update user generation

tooling/pipeline/includes/data_model/models.h

@@ -10,6 +10,7 @@
 #include <boost/program_options.hpp>
 #include <cstdint>
 #include <filesystem>
+#include <functional>
 #include <memory>
 #include <optional>
 #include <string>
@@ -93,8 +94,23 @@ struct ForenameEntry {
    * dataset (e.g. "M", "F").
    */
   std::string gender{};
+
+  bool operator==(const ForenameEntry& other) const {
+    return name == other.name && gender == other.gender;
+  }
 };
 
+namespace std {
+template <>
+struct hash<ForenameEntry> {
+  size_t operator()(const ForenameEntry& entry) const noexcept {
+    const size_t name_hash = std::hash<std::string>{}(entry.name);
+    const size_t gender_hash = std::hash<std::string>{}(entry.gender);
+    return name_hash ^ (gender_hash << 1);
+  }
+};
+}  // namespace std
+
 /**
  * @brief A persona archetype used to ground LLM-generated user bios.
  */

tooling/pipeline/includes/data_model/names_by_country.h

@@ -1,51 +0,0 @@
-#ifndef BIERGARTEN_PIPELINE_INCLUDES_DATA_MODEL_NAMES_BY_COUNTRY_H_
-#define BIERGARTEN_PIPELINE_INCLUDES_DATA_MODEL_NAMES_BY_COUNTRY_H_
-
-/**
- * @file data_model/names_by_country.h
- * @brief Sampling over the names-by-country fixture data.
- */
-
-#include <optional>
-#include <random>
-#include <string>
-#include <unordered_map>
-#include <vector>
-
-#include "data_model/models.h"
-
-/**
- * @brief Samples locale-appropriate names from curated forename/surname
- * fixture data, keyed by ISO 3166-1 country code.
- *
- * Forenames and surnames are kept in separate maps (mirroring the source
- * dataset's own shape) so per-forename gender is preserved; pairing happens
- * at sample time rather than being precomputed, so no information from the
- * source dataset is discarded up front.
- */
-class NamesByCountry {
- public:
-  NamesByCountry(std::unordered_map<std::string, std::vector<ForenameEntry>>
-                     forenames_by_country,
-                 std::unordered_map<std::string, std::vector<std::string>>
-                     surnames_by_country);
-
-  /**
-   * @brief Samples a first/last name pair for the given country.
-   *
-   * @param iso3166_1 ISO 3166-1 country code to sample for.
-   * @param rng Random source used for sampling.
-   * @return A sampled Name, or std::nullopt if the country has no forename
-   * or no surname entries.
-   */
-  [[nodiscard]] std::optional<Name> SampleName(const std::string& iso3166_1,
-                                               std::mt19937& rng) const;
-
- private:
-  std::unordered_map<std::string, std::vector<ForenameEntry>>
-      forenames_by_country_;
-  std::unordered_map<std::string, std::vector<std::string>>
-      surnames_by_country_;
-};
-
-#endif  // BIERGARTEN_PIPELINE_INCLUDES_DATA_MODEL_NAMES_BY_COUNTRY_H_