Mandatory boundary guard for every task. Use to lock phase scope, constrain file touch surfaces, and prevent out-of-scope edits before completion.
Use this skill on every task, including planning-only, documentation, and implementation requests.
Never skip this skill. If the task has no phase boundaries, run a lightweight scope check anyway.
Prevent hidden expansion of scope by forcing explicit boundaries on:
Before completion, confirm all of the following:
Always include: