feat: 综合平台services多服务支持+SW网络优先缓存修复+适配层/定时任务完善

app/models/asset.py

@@ -11,8 +11,11 @@ from datetime import date, datetime
 from enum import Enum
 from typing import Optional
 
+from sqlalchemy import Index
 from sqlmodel import Field, SQLModel
 
+from app.core.timeutils import utcnow
+
 
 class AssetType(str, Enum):
     """资产类型"""
@@ -38,6 +41,8 @@ class Asset(SQLModel, table=True):
     """资产主表：所有资产在此统一登记，用于续费提醒与状态总览"""
 
     __tablename__ = "assets"
+    # SDK 同步去重查询：provider_id + external_id + asset_type
+    __table_args__ = (Index("ix_assets_provider_ext_type", "provider_id", "external_id", "asset_type"),)
 
     id: Optional[int] = Field(default=None, primary_key=True)
     name: str = Field(index=True, description="资产名称，如：博客主站 VPS")
@@ -72,10 +77,10 @@ class Asset(SQLModel, table=True):
         default=False, description="已归档：不再使用但可能仍在续费，需重点排查"
     )
     remark: Optional[str] = Field(default=None, description="备注")
-    created_at: datetime = Field(default_factory=datetime.utcnow, description="创建时间")
+    created_at: datetime = Field(default_factory=utcnow, description="创建时间")
     updated_at: datetime = Field(
-        default_factory=datetime.utcnow,
-        sa_column_kwargs={"onupdate": datetime.utcnow},
+        default_factory=utcnow,
+        sa_column_kwargs={"onupdate": utcnow},
         description="更新时间",
     )