Merge pull request #33 from lucaromagnoli/fix/windows-msvc-unique-ptr-void

fix: replace std::unique_ptr<void> with raw pointer for MSVC compatib…

Author: lucaromagnoli

src/openai/OpenAIHttpClient.cpp

@@ -100,7 +100,8 @@ class OpenAIHttpClient::HttpClientImpl {
 #ifdef CPPHTTPLIB_OPENSSL_SUPPORT
     std::unique_ptr<httplib::SSLClient> client_;
 #else
-    std::unique_ptr<void> client_;  // Placeholder when SSL not available
+    void* client_;  // Placeholder when SSL not available (raw pointer to avoid unique_ptr<void>
+                    // issues)
 #endif
     std::string hostname_;
     std::string basePath_;