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, but it only states the immediate effect. It does not mention whether this overrides manual focus, whether it persists across sessions, or what observable side effects occur on the camera.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.