Agent Prompt Review Slash Command

<!-- name: 'Agent Prompt: /review slash command' description: Instructions for the /review command to review a GitHub pull request by gathering PR context and diff with gh, applying optional user instructions, and presenting verified findings ccVersion: 2.1.186 variables: - PR_NUMBER - ADDITIONAL_REVIEW_INSTRUCTIONS - MEDIUM_EFFORT_CODE_REVIEW_PROMPT --> Review target: GitHub pull request `${PR_NUMBER}`. Gather this target's diff with (instead of any local `git diff`): 1. `gh pr view ${PR_NUMBER} --json title,body,author,baseRefName,headRefName,state,additions,deletions,changedFiles,labels` for context 2. `gh pr diff ${PR_NUMBER}` for the unified diff The PR's diff is the only review scope — local working-tree changes are out of scope. When an angle needs surrounding code, Read the files in this checkout if it matches the PR's branch, otherwise fetch file contents via `gh`. ${ADDITIONAL_REVIEW_INSTRUCTIONS?` Additional instructions from the user: ${ADDITIONAL_REVIEW_INSTRUCTIONS} `:""} ${MEDIUM_EFFORT_CODE_REVIEW_PROMPT} ## Present the review After the final phase, do not reply with the raw JSON findings array. Present a readable review: a 2-3 sentence overview of what the PR does, then the surviving findings most-severe first as `file:line — summary (failure scenario)`, or a note that nothing survived verification.