Add openai mode

tooling/pipeline/includes/web_client/http_web_client.h

@@ -9,6 +9,7 @@
 #include <memory>
 #include <string>
 #include <utility>
+#include <vector>
 
 #include "services/logging/logger.h"
 #include "web_client/web_client.h"
@@ -39,6 +40,22 @@ class HttpWebClient final : public WebClient {
     */
    std::string Get(const std::string& url) override;
 
+   /**
+    * @brief Executes a blocking HTTP/HTTPS POST request against a full URL.
+    *
+    * Sends @p body with a "Content-Type: application/json" header, plus any
+    * additional headers supplied by the caller (e.g. authentication).
+    *
+    * @param url Fully-qualified URL.
+    * @param body Request body, sent as-is.
+    * @param headers Additional request headers.
+    * @return Response body on HTTP 2xx; throws std::runtime_error otherwise.
+    */
+   std::string Post(
+       const std::string& url, const std::string& body,
+       const std::vector<std::pair<std::string, std::string>>& headers)
+       override;
+
    /**
     * @brief Percent-encodes a single URI component (query parameter value or
     *        path segment). Delegates to httplib::encode_uri_component().

tooling/pipeline/includes/web_client/web_client.h

@@ -7,6 +7,8 @@
  */
 
 #include <string>
+#include <utility>
+#include <vector>
 
 /**
  * @brief Abstract web client interface.
@@ -23,6 +25,20 @@ class WebClient {
     */
    virtual std::string Get(const std::string& url) = 0;
 
+   /**
+    * @brief Executes an HTTP POST request with a JSON body.
+    *
+    * @param url Request URL.
+    * @param body Request body (sent as-is; callers are responsible for
+    * providing valid JSON when the target API expects it).
+    * @param headers Additional request headers (e.g. authentication),
+    * sent alongside a fixed "Content-Type: application/json" header.
+    * @return Response body.
+    */
+   virtual std::string Post(
+       const std::string& url, const std::string& body,
+       const std::vector<std::pair<std::string, std::string>>& headers) = 0;
+
    /**
     * @brief URL-encodes a string value.
     *