feat: 订阅/付费管理（续费/取消网址+订阅视图+月度年度支出统计）

app/database.py

@@ -60,6 +60,10 @@ def _migrate_assets_db() -> None:
             cols = {c["name"] for c in insp.get_columns("assets")}
             if "external_id" not in cols:
                 conn.execute(sa.text("ALTER TABLE assets ADD COLUMN external_id VARCHAR"))
+            if "renew_url" not in cols:
+                conn.execute(sa.text("ALTER TABLE assets ADD COLUMN renew_url VARCHAR"))
+            if "cancel_url" not in cols:
+                conn.execute(sa.text("ALTER TABLE assets ADD COLUMN cancel_url VARCHAR"))
         if insp.has_table("providers"):
             cols = {c["name"] for c in insp.get_columns("providers")}
             if "last_synced_at" not in cols:

app/models/asset.py

@@ -52,6 +52,12 @@ class Asset(SQLModel, table=True):
     renewal_cycle: Optional[str] = Field(
         default=None, description="续费周期：monthly/quarterly/yearly"
     )
+    renew_url: Optional[str] = Field(
+        default=None, description="续费网址（去哪续费）"
+    )
+    cancel_url: Optional[str] = Field(
+        default=None, description="取消订阅网址（去哪取消）"
+    )
     account: Optional[str] = Field(
         default=None, description="所属账号标识（如 Cloudflare 账号邮箱）"
     )

app/schemas/asset.py

@@ -72,6 +72,8 @@ class AssetBase(SQLModel):
     provider: str
     provider_id: Optional[int] = None
     renewal_cycle: Optional[str] = None
+    renew_url: Optional[str] = None
+    cancel_url: Optional[str] = None
     account: Optional[str] = None
     expiry_date: Optional[date] = None
     auto_renew: bool = False
@@ -98,6 +100,8 @@ class AssetUpdate(SQLModel):
     provider: Optional[str] = None
     provider_id: Optional[int] = None
     renewal_cycle: Optional[str] = None
+    renew_url: Optional[str] = None
+    cancel_url: Optional[str] = None
     account: Optional[str] = None
     expiry_date: Optional[date] = None
     auto_renew: Optional[bool] = None