Create one method per file

pipeline/src/biergarten_data_generator/generate_breweries.cpp

@@ -0,0 +1,40 @@
+/**
+ * @file biergarten_data_generator/generate_breweries.cpp
+ * @brief BiergartenDataGenerator::GenerateBreweries() implementation.
+ */
+
+#include <spdlog/spdlog.h>
+
+#include "biergarten_data_generator.h"
+
+void BiergartenDataGenerator::GenerateBreweries(
+    DataGenerator& generator, const std::vector<EnrichedCity>& cities) {
+   spdlog::info("\n=== SAMPLE BREWERY GENERATION ===");
+   generatedBreweries_.clear();
+
+   size_t skipped_count = 0;
+
+   for (const auto& enriched_city : cities) {
+      try {
+         auto brewery = generator.GenerateBrewery(
+             enriched_city.location.city, enriched_city.location.country,
+             enriched_city.region_context);
+         generatedBreweries_.push_back(GeneratedBrewery{
+             .location = enriched_city.location, .brewery = brewery});
+      } catch (const std::exception& e) {
+         ++skipped_count;
+         spdlog::warn(
+             "[Pipeline] Skipping city '{}' ({}): brewery generation failed: "
+             "{}",
+             enriched_city.location.city, enriched_city.location.country,
+             e.what());
+      }
+   }
+
+   if (skipped_count > 0) {
+      spdlog::warn(
+          "[Pipeline] Skipped {} city/cities due to generation "
+          "errors",
+          skipped_count);
+   }
+}