Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description carries the entire behavioral burden. It does not disclose that this is a mutating operation, whether it is undoable, whether reordering shifts other tracks' indexes, or whether project_path must refer to an open project. "Move" hints at mutation but nothing more is disclosed.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.