feat(模型加载): 添加sync_to_temp选项支持临时目录加载

添加sync_to_temp参数控制是否将模型文件复制到临时目录后再加载

common/arg.cpp

@@ -2039,6 +2039,14 @@ common_params_context common_params_parser_init(common_params & params, llama_ex
             params.use_mmap = value;
         }
     ).set_env("LLAMA_ARG_MMAP"));
+    add_opt(common_arg(
+        {"--sync-to-temp"},
+        {"--no-sync-to-temp"},
+        string_format("whether to copy model to temporary directory before loading (default: %s)", params.sync_to_temp ? "enabled" : "disabled"),
+        [](common_params & params, bool value) {
+            params.sync_to_temp = value;
+        }
+    ).set_env("LLAMA_ARG_SYNC_TO_TEMP"));
     add_opt(common_arg(
         {"--numa"}, "TYPE",
         "attempt optimizations that help on some NUMA systems\n"