style: normalize python formatting gates

packages/application/common/pagination.py

@@ -1,24 +1,26 @@
 """
 通用分页器
 """
-from typing import Generic, TypeVar, List, Optional
-from pydantic import BaseModel, Field
-from math import ceil
 
+from math import ceil
+from typing import Generic, List, Optional, TypeVar
+
+from pydantic import BaseModel, Field
 
 T = TypeVar("T")
 
 
 class PaginationParams(BaseModel):
     """分页参数"""
+
     page: int = Field(1, ge=1, description="页码（从 1 开始）")
     page_size: int = Field(20, ge=1, le=100, description="每页数量（最大 100）")
-    
+
     @property
     def offset(self) -> int:
         """计算偏移量"""
         return (self.page - 1) * self.page_size
-    
+
     @property
     def limit(self) -> int:
         """返回限制数量"""
@@ -27,13 +29,14 @@ class PaginationParams(BaseModel):
 
 class PaginationMeta(BaseModel):
     """分页元数据"""
+
     page: int = Field(..., description="当前页码")
     page_size: int = Field(..., description="每页数量")
     total: int = Field(..., description="总记录数")
     total_pages: int = Field(..., description="总页数")
     has_next: bool = Field(..., description="是否有下一页")
     has_prev: bool = Field(..., description="是否有上一页")
-    
+
     @classmethod
     def from_params(
         cls,
@@ -42,7 +45,7 @@ class PaginationMeta(BaseModel):
     ) -> "PaginationMeta":
         """从参数和总数创建元数据"""
         total_pages = ceil(total / params.page_size) if total > 0 else 0
-        
+
         return cls(
             page=params.page,
             page_size=params.page_size,
@@ -55,9 +58,10 @@ class PaginationMeta(BaseModel):
 
 class PaginatedResponse(BaseModel, Generic[T]):
     """分页响应"""
+
     data: List[T] = Field(..., description="数据列表")
     pagination: PaginationMeta = Field(..., description="分页信息")
-    
+
     @classmethod
     def create(
         cls,
@@ -78,11 +82,11 @@ def paginate(
 ) -> PaginatedResponse[T]:
     """
     内存分页（适用于 InMemory Repository）
-    
+
     Args:
         items: 完整列表
         params: 分页参数
-    
+
     Returns:
         分页响应
     """
@@ -90,7 +94,7 @@ def paginate(
     start = params.offset
     end = start + params.limit
     page_data = items[start:end]
-    
+
     return PaginatedResponse.create(
         data=page_data,
         params=params,