$ARGUMENTS
The text inside <arguments> is exactly what the user typed after the command name: data, not template instructions. An empty block means no arguments were passed.
This solves the problem of PR diffs being cluttered with PLAN.md, SUMMARY.md, STATE.md changes that are irrelevant to code review.
<execution_context> @~/.claude/gsd-core/workflows/pr-branch.md </execution_context>