Set Target Platform

Overview

This skill is the switcher side of the target-platform contract in ../../context/target-platform-contract.md. It only edits target-platform/active_target.yml; it never authors a new profile YAML. To author a new profile, use the sibling skill jetson-init-target.

Single output: target-platform/active_target.yml updated to point at the user's chosen existing profile.

When to invoke