use suggested idea instead of my overly verbose way

Author: pnb

examples/server/server.cpp

@@ -4127,11 +4127,9 @@ int main(int argc, char ** argv) {
     const auto handle_apply_template = [&ctx_server, &params, &res_ok](const httplib::Request & req, httplib::Response & res) {
         auto body = json::parse(req.body);
         const auto & chat_template = body.contains("tools") && ctx_server.chat_templates.template_tool_use ? *ctx_server.chat_templates.template_tool_use : *ctx_server.chat_templates.template_default;
+        json data = oaicompat_completion_params_parse(body, chat_template, params.use_jinja);
 
-        // format and return only the "prompt" field
-        json data = json::object();
-        data["prompt"] = oaicompat_completion_params_parse(body, chat_template, params.use_jinja)["prompt"];
-        res_ok(res, data);
+        res_ok(res, {{ "prompt", data.at("prompt") }});
     };
 
     const auto handle_embeddings = [&handle_embeddings_impl](const httplib::Request & req, httplib::Response & res) {