refactor(helper): 将LLMHelper StorageHelper的相关方法改为静态方法，移除实例调用

app/helper/storage.py

@@ -20,21 +20,23 @@ class StorageHelper:
             return []
         return [schemas.StorageConf(**s) for s in storage_confs]
 
-    def get_storage(self, storage: str) -> Optional[schemas.StorageConf]:
+    @staticmethod
+    def get_storage(storage: str) -> Optional[schemas.StorageConf]:
         """
         获取指定存储配置
         """
-        storagies = self.get_storagies()
+        storagies = StorageHelper.get_storagies()
         for s in storagies:
             if s.type == storage:
                 return s
         return None
 
-    def set_storage(self, storage: str, conf: dict):
+    @staticmethod
+    def set_storage(storage: str, conf: dict):
         """
         设置存储配置
         """
-        storagies = self.get_storagies()
+        storagies = StorageHelper.get_storagies()
         if not storagies:
             storagies = [
                 schemas.StorageConf(
@@ -49,11 +51,12 @@ class StorageHelper:
                     break
         SystemConfigOper().set(SystemConfigKey.Storages, [s.model_dump() for s in storagies])
 
-    def add_storage(self, storage: str, name: str, conf: dict):
+    @staticmethod
+    def add_storage(storage: str, name: str, conf: dict):
         """
         添加存储配置
         """
-        storagies = self.get_storagies()
+        storagies = StorageHelper.get_storagies()
         if not storagies:
             storagies = [
                 schemas.StorageConf(
@@ -70,11 +73,12 @@ class StorageHelper:
             ))
         SystemConfigOper().set(SystemConfigKey.Storages, [s.model_dump() for s in storagies])
 
-    def reset_storage(self, storage: str):
+    @staticmethod
+    def reset_storage(storage: str):
         """
         重置存储配置
         """
-        storagies = self.get_storagies()
+        storagies = StorageHelper.get_storagies()
         for s in storagies:
             if s.type == storage:
                 s.config = {}