feat(mixin): add TableBaseMixin and UUIDTableBaseMixin for async CRUD operations

- Implemented TableBaseMixin providing generic CRUD methods and automatic timestamp management.
- Introduced UUIDTableBaseMixin for models using UUID as primary keys.
- Added ListResponse for standardized paginated responses.
- Created TimeFilterRequest and PaginationRequest for filtering and pagination parameters.
- Enhanced get_with_count method to return both item list and total count.
- Included validation for time filter parameters in TimeFilterRequest.
- Improved documentation and usage examples throughout the code.

models/report.py

@@ -1,15 +1,26 @@
-
+from enum import StrEnum
 from typing import TYPE_CHECKING
+
 from sqlmodel import Field, Relationship
-from .base import TableBase
+
+from .base import SQLModelBase
+from .mixin import TableBaseMixin
 
 if TYPE_CHECKING:
     from .share import Share
 
-class Report(TableBase, table=True):
+
+class ReportReason(StrEnum):
+    """举报原因枚举"""
+    # [TODO] 补充具体举报原因
+    pass
+
+
+class Report(SQLModelBase, TableBaseMixin):
     """举报模型"""
 
-    reason: int = Field(description="举报原因代码")
+    reason: int = Field(default=0, sa_column_kwargs={"server_default": "0"})
+    """举报原因 [TODO] 待定义枚举"""
     description: str | None = Field(default=None, max_length=255, description="补充描述")
     
     # 外键