Refactor Llama generator, helpers, and build assets

make Gemma 4 the default model, enable thinking mode
style updates

pipeline/includes/biergarten_data_generator.h

@@ -1,47 +1,21 @@
-#ifndef BIERGARTEN_PIPELINE_BIERGARTEN_DATA_GENERATOR_H_
-#define BIERGARTEN_PIPELINE_BIERGARTEN_DATA_GENERATOR_H_
+#ifndef BIERGARTEN_PIPELINE_INCLUDES_BIERGARTEN_DATA_GENERATOR_H_
+#define BIERGARTEN_PIPELINE_INCLUDES_BIERGARTEN_DATA_GENERATOR_H_
 
 /**
  * @file biergarten_data_generator.h
  * @brief Core orchestration class for pipeline data generation.
  */
 
-#include <cstdint>
 #include <memory>
-#include <string>
+#include <span>
 #include <vector>
 
 #include "data_generation/data_generator.h"
+#include "data_model/enriched_city.h"
+#include "data_model/generated_brewery.h"
 #include "data_model/location.h"
 #include "services/enrichment_service.h"
 
-/**
- * @brief Program options for the Biergarten pipeline application.
- */
-struct ApplicationOptions {
-   /// @brief Path to the LLM model file (gguf format); mutually exclusive with
-   /// use_mocked.
-   std::string model_path;
-
-   /// @brief Use mocked generator instead of LLM; mutually exclusive with
-   /// model_path.
-   bool use_mocked = false;
-
-   /// @brief LLM sampling temperature (0.0 to 1.0, higher = more random).
-   float temperature = 0.8f;
-
-   /// @brief LLM nucleus sampling top-p parameter (0.0 to 1.0, higher = more
-   /// random).
-   float top_p = 0.92f;
-
-   /// @brief Context window size (tokens) for LLM inference. Higher values
-   /// support longer prompts but use more memory.
-   uint32_t n_ctx = 2048;
-
-   /// @brief Random seed for sampling (-1 for random, otherwise non-negative).
-   int seed = -1;
-};
-
 /**
  * @brief Main data generator class for the Biergarten pipeline.
  *
@@ -49,71 +23,55 @@ struct ApplicationOptions {
  * It handles location loading, city enrichment, and brewery generation.
  */
 class BiergartenDataGenerator {
-  public:
-   /**
-    * @brief Construct a BiergartenDataGenerator with injected dependencies.
-    *
-    * @param context_service Context provider for sampled locations.
-    * @param generator Brewery and user data generator.
-    */
-   BiergartenDataGenerator(std::shared_ptr<IEnrichmentService> context_service,
-                           std::unique_ptr<DataGenerator> generator);
+ public:
+  /**
+   * @brief Construct a BiergartenDataGenerator with injected dependencies.
+   *
+   * @param context_service Context provider for sampled locations.
+   * @param generator Brewery and user data generator.
+   */
+  BiergartenDataGenerator(std::unique_ptr<IEnrichmentService> context_service,
+                          std::unique_ptr<DataGenerator> generator);
 
-   /**
-    * @brief Run the data generation pipeline.
-    *
-    * Performs the following steps:
-    * 1. Load curated locations from JSON
-    * 2. Resolve context for each city using the injected context service
-    * 3. Generate brewery data for sampled cities
-    *
-    * @return true if successful, false if not
-    */
-   bool Run();
+  /**
+   * @brief Run the data generation pipeline.
+   *
+   * Performs the following steps:
+   * 1. Load curated locations from JSON
+   * 2. Resolve context for each city using the injected context service
+   * 3. Generate brewery data for sampled cities
+   *
+   * @return true if successful, false if not
+   */
+  bool Run();
 
-  private:
-   /// @brief Shared context provider dependency.
-   std::shared_ptr<IEnrichmentService> context_service_;
+ private:
+  /// @brief Owning context provider dependency.
+  std::unique_ptr<IEnrichmentService> context_service_;
 
-   /// @brief Generator dependency selected in the composition root.
-   std::unique_ptr<DataGenerator> generator_;
+  /// @brief Generator dependency selected in the composition root.
+  std::unique_ptr<DataGenerator> generator_;
 
-   /**
-    * @brief Enriched city data with Wikipedia context.
-    */
-   struct EnrichedCity {
-      Location location;
-      std::string region_context;
-   };
+  /**
+   * @brief Load locations from JSON and sample cities.
+   *
+   * @return Vector of sampled locations capped at 4 entries.
+   */
+  static std::vector<Location> QueryCitiesWithCountries();
 
-   /**
-    * @brief Load locations from JSON and sample cities.
-    *
-    * @return Vector of sampled locations capped at 30 entries.
-    */
-   static std::vector<Location> QueryCitiesWithCountries();
+  /**
+   * @brief Generate breweries for enriched cities.
+   *
+   * @param cities Span of enriched city data.
+   */
+  void GenerateBreweries(std::span<const EnrichedCity> cities);
 
-   /**
-    * @brief Generate breweries for enriched cities.
-    *
-    * @param cities Vector of enriched city data.
-    */
-   void GenerateBreweries(const std::vector<EnrichedCity>& cities);
+  /**
+   * @brief Log the generated brewery results.
+   */
+  void LogResults() const;
 
-   /**
-    * @brief Log the generated brewery results.
-    */
-   void LogResults() const;
-
-   /**
-    * @brief Helper struct to store generated brewery data.
-    */
-   struct GeneratedBrewery {
-      Location location;
-      BreweryResult brewery;
-   };
-
-   /// @brief Stores generated brewery data.
-   std::vector<GeneratedBrewery> generatedBreweries_;
+  /// @brief Stores generated brewery data.
+  std::vector<GeneratedBrewery> generated_breweries_;
 };
-#endif  // BIERGARTEN_PIPELINE_BIERGARTEN_DATA_GENERATOR_H_
+#endif  // BIERGARTEN_PIPELINE_INCLUDES_BIERGARTEN_DATA_GENERATOR_H_