Agent Skills: find-orphaned-meta

Find and clean up orphaned .meta files in a Unity project. Use when you need to: (1) Find .meta files whose corresponding file or folder no longer exists, (2) Clean up Unity warnings about missing assets caused by stale .meta files, (3) Audit .meta hygiene after git operations like branch switches, merges, or file deletions. Also use proactively after deleting files or folders in a Unity project.