feat:新增napcat断线后重连重新拉取历史消息的机制

pytests/test_napcat_adapter_sdk.py

@@ -12,8 +12,10 @@ import pytest
 
 PROJECT_ROOT = Path(__file__).resolve().parents[1]
 PLUGINS_ROOT = PROJECT_ROOT / "plugins"
+PLUGIN_TEMPLATE_ROOT = PROJECT_ROOT / "plugin-templates"
 SDK_ROOT = PROJECT_ROOT / "packages" / "maibot-plugin-sdk"
 NAPCAT_PLUGIN_DIR = PLUGINS_ROOT / "MaiBot-Napcat-Adapter"
+NAPCAT_TEMPLATE_DIR = PLUGIN_TEMPLATE_ROOT / "MaiBot-Napcat-Adapter"
 NAPCAT_TEST_MODULE = "_test_napcat_adapter"
 
 for import_path in (str(SDK_ROOT),):
@@ -204,12 +206,14 @@ def _load_napcat_sdk_modules() -> Tuple[Any, Any, Any, Any]:
             依次返回常量模块、配置模块、插件模块和运行时状态模块。
     """
 
+    plugin_dir = NAPCAT_PLUGIN_DIR if NAPCAT_PLUGIN_DIR.is_dir() else NAPCAT_TEMPLATE_DIR
+
     if NAPCAT_TEST_MODULE not in sys.modules:
-        plugin_path = NAPCAT_PLUGIN_DIR / "plugin.py"
+        plugin_path = plugin_dir / "plugin.py"
         spec = util.spec_from_file_location(
             NAPCAT_TEST_MODULE,
             plugin_path,
-            submodule_search_locations=[str(NAPCAT_PLUGIN_DIR)],
+            submodule_search_locations=[str(plugin_dir)],
         )
         if spec is None or spec.loader is None:
             raise ImportError(f"无法为 NapCat 插件创建模块规格: {plugin_path}")