Added api to clear in memory data

backend/api/routes.py

@@ -92,6 +92,12 @@ def upload_data(request: FileUploadRequest) -> FileUploadResponse:
     return FileUploadResponse(file=record)
 
 
+@router.post("/reset")
+def reset_data() -> dict[str, str]:
+    db.reset()
+    return {"status": "ok", "message": "In-memory data reset."}
+
+
 @router.get("/status", response_model=OwnerStatusResponse)
 def status(owner_id: str) -> OwnerStatusResponse:
     owner = db.get_owner(owner_id)