feat:增加分页功能

api/routers/risk.py

@@ -1,5 +1,5 @@
 """风控处置路由：预警列表 + 放行/拦截/冻结（仅风控专员）。"""
-from fastapi import APIRouter, Depends
+from fastapi import APIRouter, Depends, Query
 from sqlalchemy.ext.asyncio import AsyncSession
 
 from api.deps import require_risk_officer
@@ -14,11 +14,12 @@ router = APIRouter(prefix="/risk", tags=["风控"])
 @router.get("/alert/list", summary="预警列表")
 async def list_alerts(
     status: str | None = None,
+    page: int = Query(1, ge=1),
+    page_size: int = Query(10, ge=1, le=10),
     user: SysUser = Depends(require_risk_officer),
     db: AsyncSession = Depends(get_db),
 ):
-    alerts = await risk_handle.list_alerts(db, status)
-    return success([a.model_dump(mode="json") for a in alerts])
+    return success(await risk_handle.list_alerts(db, status, page=page, page_size=page_size))
 
 
 @router.post("/alert/{alert_id}/release", summary="放行")