fix:bug

backend/app/routers/finance.py

@@ -0,0 +1,37 @@
+from fastapi import APIRouter, HTTPException
+from fastapi.responses import FileResponse
+
+from backend.app.schemas import FinanceSyncResponse, FinanceSyncResult
+from backend.app.services.email_service import create_monthly_zip, sync_finance_emails
+
+
+router = APIRouter(prefix="/finance", tags=["finance"])
+
+
+@router.post("/sync", response_model=FinanceSyncResponse)
+async def sync_finance():
+    try:
+        items_raw = await sync_finance_emails()
+    except RuntimeError as exc:
+        raise HTTPException(status_code=500, detail=str(exc)) from exc
+
+    items = [FinanceSyncResult(**item) for item in items_raw]
+    return FinanceSyncResponse(items=items)
+
+
+@router.get("/download/{month}")
+async def download_finance_month(month: str):
+    """
+    Download a zipped archive for a given month (YYYY-MM).
+    """
+    try:
+        zip_path = await create_monthly_zip(month)
+    except FileNotFoundError as exc:
+        raise HTTPException(status_code=404, detail=str(exc)) from exc
+
+    return FileResponse(
+        path=zip_path,
+        media_type="application/zip",
+        filename=f"finance_{month}.zip",
+    )
+