build: refresh toolchain and dependency wiring

test/unit/deps/dependency_smoke_test.cc

@@ -0,0 +1,21 @@
+#include "httplib.h"
+#include "nlohmann/json.hpp"
+#include "testing.h"
+
+namespace yaze {
+namespace test {
+
+TEST(DependencySmokeTest, JsonAndHttpLibAvailable) {
+  nlohmann::json payload = nlohmann::json::parse(R"({"ok":true})");
+  EXPECT_TRUE(payload["ok"].get<bool>());
+
+  httplib::Client client("example.com");
+  httplib::Headers headers{{"X-Test", "1"}};
+  client.set_default_headers(headers);
+  auto header_it = headers.find("X-Test");
+  ASSERT_NE(header_it, headers.end());
+  EXPECT_EQ(header_it->second, "1");
+}
+
+}  // namespace test
+}  // namespace yaze