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/__init__.py

@@ -14,12 +14,27 @@ from .user import (
 from .user_authn import AuthnResponse, UserAuthn
 from .color import ThemeResponse
 
-from .download import Download
+from .download import (
+    Download,
+    DownloadAria2File,
+    DownloadAria2Info,
+    DownloadAria2InfoBase,
+    DownloadStatus,
+    DownloadType,
+)
+from .node import (
+    Aria2Configuration,
+    Aria2ConfigurationBase,
+    Node,
+    NodeStatus,
+    NodeType,
+)
 from .group import Group, GroupBase, GroupOptions, GroupOptionsBase, GroupResponse
-from .node import Node
 from .object import (
     DirectoryCreateRequest,
     DirectoryResponse,
+    FileMetadata,
+    FileMetadataBase,
     Object,
     ObjectBase,
     ObjectDeleteRequest,
@@ -28,16 +43,16 @@ from .object import (
     ObjectType,
     PolicyResponse,
 )
-from .order import Order
+from .order import Order, OrderStatus, OrderType
 from .policy import Policy, PolicyOptions, PolicyOptionsBase, PolicyType
-from .redeem import Redeem
-from .report import Report
+from .redeem import Redeem, RedeemType
+from .report import Report, ReportReason
 from .setting import Setting, SettingsType, SiteConfigResponse
 from .share import Share
 from .source_link import SourceLink
 from .storage_pack import StoragePack
-from .tag import Tag
-from .task import Task
+from .tag import Tag, TagType
+from .task import Task, TaskProps, TaskPropsBase, TaskStatus, TaskType
 from .webdav import WebDAV
 
 from .database import engine, get_session