perf(methods): 通过移除不必要的 self 参数优化方法签名

在包括 chat、plugin_system、schedule 和 mais4u 在内的多个模块中，消除冗余的实例引用。此次改动将无需访问实例状态的实用函数转换为静态方法，从而提升了内存效率，并使方法依赖关系更加清晰。

src/plugin_system/utils/dependency_manager.py

@@ -162,7 +162,8 @@ class DependencyManager:
 
         return False, all_errors
 
-    def _normalize_dependencies(self, dependencies: Any) -> List[PythonDependency]:
+    @staticmethod
+    def _normalize_dependencies(dependencies: Any) -> List[PythonDependency]:
         """将依赖列表标准化为PythonDependency对象"""
         normalized = []
 
@@ -191,7 +192,8 @@ class DependencyManager:
 
         return normalized
 
-    def _check_single_dependency(self, dep: PythonDependency) -> bool:
+    @staticmethod
+    def _check_single_dependency(dep: PythonDependency) -> bool:
         """检查单个依赖是否满足要求"""
 
         def _try_check(import_name: str) -> bool:

src/plugin_system/utils/manifest_utils.py

@@ -82,10 +82,10 @@ class VersionComparator:
         normalized = VersionComparator.normalize_version(version)
         try:
             parts = normalized.split(".")
-            return (int(parts[0]), int(parts[1]), int(parts[2]))
+            return int(parts[0]), int(parts[1]), int(parts[2])
         except (ValueError, IndexError):
             logger.warning(f"无法解析版本号: {version}，使用默认版本 0.0.0")
-            return (0, 0, 0)
+            return 0, 0, 0
 
     @staticmethod
     def compare_versions(version1: str, version2: str) -> int:

src/plugin_system/utils/permission_decorators.py

@@ -58,7 +58,7 @@ def require_permission(permission_node: str, deny_message: Optional[str] = None)
 
             if chat_stream is None:
                 logger.error(f"权限装饰器无法找到 ChatStream 对象，函数: {func.__name__}")
-                return
+                return None
 
             # 检查权限
             has_permission = permission_api.check_permission(
@@ -72,7 +72,7 @@ def require_permission(permission_node: str, deny_message: Optional[str] = None)
                 # 对于PlusCommand的execute方法，需要返回适当的元组
                 if func.__name__ == "execute" and hasattr(args[0], "send_text"):
                     return False, "权限不足", True
-                return
+                return None
 
             # 权限检查通过，执行原函数
             return await func(*args, **kwargs)
@@ -90,7 +90,7 @@ def require_permission(permission_node: str, deny_message: Optional[str] = None)
 
             if chat_stream is None:
                 logger.error(f"权限装饰器无法找到 ChatStream 对象，函数: {func.__name__}")
-                return
+                return None
 
             # 检查权限
             has_permission = permission_api.check_permission(
@@ -101,7 +101,7 @@ def require_permission(permission_node: str, deny_message: Optional[str] = None)
                 logger.warning(
                     f"用户 {chat_stream.platform}:{chat_stream.user_info.user_id} 没有权限 {permission_node}"
                 )
-                return
+                return None
 
             # 权限检查通过，执行原函数
             return func(*args, **kwargs)
@@ -156,7 +156,7 @@ def require_master(deny_message: Optional[str] = None):
 
             if chat_stream is None:
                 logger.error(f"Master权限装饰器无法找到 ChatStream 对象，函数: {func.__name__}")
-                return
+                return None
 
             # 检查是否为Master用户
             is_master = permission_api.is_master(chat_stream.platform, chat_stream.user_info.user_id)
@@ -166,7 +166,7 @@ def require_master(deny_message: Optional[str] = None):
                 await text_to_stream(message, chat_stream.stream_id)
                 if func.__name__ == "execute" and hasattr(args[0], "send_text"):
                     return False, "需要Master权限", True
-                return
+                return None
 
             # 权限检查通过，执行原函数
             return await func(*args, **kwargs)
@@ -184,14 +184,14 @@ def require_master(deny_message: Optional[str] = None):
 
             if chat_stream is None:
                 logger.error(f"Master权限装饰器无法找到 ChatStream 对象，函数: {func.__name__}")
-                return
+                return None
 
             # 检查是否为Master用户
             is_master = permission_api.is_master(chat_stream.platform, chat_stream.user_info.user_id)
 
             if not is_master:
                 logger.warning(f"用户 {chat_stream.platform}:{chat_stream.user_info.user_id} 不是Master用户")
-                return
+                return None
 
             # 权限检查通过，执行原函数
             return func(*args, **kwargs)