Add check-updates command to detect and update outdated agents and services

source/src/commands/shared_commands.cpp

@@ -323,6 +323,11 @@ namespace dropshell
                         }
                     }
 
+                    // Parse template hash
+                    if (service_json.contains("template_hash") && service_json["template_hash"].is_string()) {
+                        service_status.remote_template_hash = service_json["template_hash"].get<std::string>();
+                    }
+
                     status[service_name] = service_status;
                 }
             } catch (const nlohmann::json::parse_error& e) {