build: standardize build dir policy

src/cli/service/agent/tools/build_tool.cc

@@ -2,6 +2,7 @@
 
 #include <array>
 #include <cstdio>
+#include <cstdlib>
 #include <filesystem>
 #include <fstream>
 #include <future>
@@ -39,8 +40,11 @@ namespace fs = std::filesystem;
 BuildTool::BuildTool(const BuildConfig& config)
     : config_(config) {
   // Ensure build directory is set with a default value
-  if (config_.build_directory.empty()) {
-    config_.build_directory = "build_ai";
+  const char* env_build_dir = std::getenv("YAZE_BUILD_DIR");
+  if (env_build_dir != nullptr && env_build_dir[0] != '\0') {
+    config_.build_directory = env_build_dir;
+  } else if (config_.build_directory.empty()) {
+    config_.build_directory = "build";
   }
 
   // Convert to absolute path if relative
@@ -171,9 +175,13 @@ absl::StatusOr<BuildTool::BuildResult> BuildTool::RunTests(
           absl::StrFormat("ROM file not found: %s", rom_path));
     }
 #ifdef _WIN32
-    env_setup = absl::StrFormat("set YAZE_TEST_ROM_PATH=\"%s\" && ", rom_path);
+    env_setup = absl::StrFormat(
+        "set YAZE_TEST_ROM_VANILLA=\"%s\" && set YAZE_TEST_ROM_PATH=\"%s\" && ",
+        rom_path, rom_path);
 #else
-    env_setup = absl::StrFormat("YAZE_TEST_ROM_PATH=\"%s\" ", rom_path);
+    env_setup = absl::StrFormat(
+        "YAZE_TEST_ROM_VANILLA=\"%s\" YAZE_TEST_ROM_PATH=\"%s\" ",
+        rom_path, rom_path);
 #endif
   }
 
@@ -919,4 +927,4 @@ absl::Status BuildStatusCommandHandler::Execute(
 }  // namespace tools
 }  // namespace agent
 }  // namespace cli
-}  // namespace yaze
+}  // namespace yaze

src/cli/service/agent/tools/build_tool.h

@@ -33,26 +33,26 @@ class BuildTool {
  public:
   // Build operation results
   struct BuildResult {
-    bool success;
+    bool success = false;
     std::string output;
     std::string error_output;
-    int exit_code;
-    std::chrono::seconds duration;
+    int exit_code = 0;
+    std::chrono::seconds duration{0};
     std::string command_executed;
   };
 
   // Build status information
   struct BuildStatus {
-    bool is_running;
+    bool is_running = false;
     std::string current_operation;
     std::string last_result_summary;
-    std::chrono::system_clock::time_point start_time;
-    int progress_percent;  // -1 if unknown
+    std::chrono::system_clock::time_point start_time{};
+    int progress_percent = 0;  // -1 if unknown
   };
 
   // Build configuration
   struct BuildConfig {
-    std::string build_directory = "build_ai";  // Default AI agent build dir
+    std::string build_directory = "build";  // Override via YAZE_BUILD_DIR
     std::chrono::seconds timeout = std::chrono::seconds(600);  // 10 min default
     bool capture_output = true;
     bool verbose = false;
@@ -265,4 +265,4 @@ class BuildStatusCommandHandler : public resources::CommandHandler {
 }  // namespace cli
 }  // namespace yaze
 
-#endif  // YAZE_SRC_CLI_SERVICE_AGENT_TOOLS_BUILD_TOOL_H_
+#endif  // YAZE_SRC_CLI_SERVICE_AGENT_TOOLS_BUILD_TOOL_H_