Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations, the description carries the full burden. It does add one genuinely useful behavioral fact — a capacity check on the temp box before the move, implying possible failure when full — but says nothing about auth, reversibility, or what happens if the ID is invalid or already in the temp box.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.