Begin work on biergarten data generator pipeline

pipeline/src/main.cpp

@@ -0,0 +1,79 @@
+#include "data_downloader.h"
+#include "database.h"
+#include "generator.h"
+#include "json_loader.h"
+#include <curl/curl.h>
+#include <spdlog/spdlog.h>
+
+int main(int argc, char *argv[]) {
+  try {
+    curl_global_init(CURL_GLOBAL_DEFAULT);
+
+    std::string modelPath = argc > 1 ? argv[1] : "./model.gguf";
+    std::string cacheDir = argc > 2 ? argv[2] : "/tmp";
+    std::string commit =
+        argc > 3 ? argv[3] : "c5eb7772"; // Default: stable 2026-03-28
+
+    std::string jsonPath = cacheDir + "/countries+states+cities.json";
+
+    spdlog::info("\n[Pipeline] Downloading geographic data from GitHub...");
+    DataDownloader downloader;
+    downloader.DownloadCountriesDatabase(jsonPath, commit);
+
+    SqliteDatabase db;
+
+    spdlog::info("Initializing in-memory SQLite database...");
+    db.Initialize();
+
+    JsonLoader::LoadWorldCities(jsonPath, db);
+
+    spdlog::info("Initializing brewery generator...");
+    LlamaBreweryGenerator generator;
+    generator.LoadModel(modelPath);
+
+    spdlog::info("\n=== GEOGRAPHIC DATA OVERVIEW ===");
+
+    auto countries = db.QueryCountries(50);
+    auto states = db.QueryStates(50);
+    auto cities = db.QueryCities();
+
+    spdlog::info("\nTotal records loaded:");
+    spdlog::info("  Countries: {}", db.QueryCountries(0).size());
+    spdlog::info("  States: {}", db.QueryStates(0).size());
+    spdlog::info("  Cities: {}", cities.size());
+
+    spdlog::info("\n--- 50 COUNTRIES ---");
+    for (size_t i = 0; i < countries.size(); i++) {
+      spdlog::info("{}. {} ({}) {}", (i + 1), countries[i].iso2,
+                   countries[i].iso3, countries[i].name);
+    }
+
+    spdlog::info("\n--- 50 STATES ---");
+    for (size_t i = 0; i < states.size(); i++) {
+      spdlog::info("{}. {}: {}", (i + 1), states[i].iso2, states[i].name);
+    }
+
+    spdlog::info("\n--- 50 CITIES ---");
+    for (size_t i = 0; i < std::min(size_t(50), cities.size()); i++) {
+      spdlog::info("{}. {}", (i + 1), cities[i].second);
+    }
+
+    spdlog::info("\n=== SAMPLE BREWERY GENERATION ===\n");
+    for (size_t i = 0; i < std::min(size_t(5), cities.size()); i++) {
+      const auto &[cityId, cityName] = cities[i];
+      auto brewery = generator.GenerateBrewery(cityName, i);
+      spdlog::info("  {}: {}", cityName, brewery.name);
+      spdlog::info("    -> {}", brewery.description);
+    }
+
+    spdlog::info("\nOK: Pipeline completed successfully");
+
+    curl_global_cleanup();
+    return 0;
+
+  } catch (const std::exception &e) {
+    spdlog::error("ERROR: Pipeline failed: {}", e.what());
+    curl_global_cleanup();
+    return 1;
+  }
+}