Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations provided, the description carries the full burden of behavioral disclosure. It does disclose the destructive overwrite behavior ('覆盖此前数据配置'), which is important. However, it does not mention other relevant behaviors such as whether the entire extra is replaced vs. merged, atomicity, error conditions, or return values, leaving some gaps.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.