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Create cursor.yml
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.github/workflows/cursor.yml

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name: Cursor Code Review
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on:
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pull_request:
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types: [opened, synchronize, reopened, ready_for_review]
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permissions:
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pull-requests: write
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contents: read
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issues: write
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jobs:
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code-review:
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runs-on: ubuntu-latest
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# Skip automated code review for draft PRs
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if: github.event.pull_request.draft == false
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steps:
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- name: Checkout repository
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uses: actions/checkout@v4
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with:
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fetch-depth: 0
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ref: ${{ github.event.pull_request.head.sha }}
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- name: Install Cursor CLI
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run: |
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curl https://cursor.com/install -fsS | bash
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echo "$HOME/.cursor/bin" >> $GITHUB_PATH
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- name: Configure git identity
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run: |
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git config user.name "Cursor Agent"
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git config user.email "cursoragent@cursor.com"
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- name: Perform automated code review
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env:
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CURSOR_API_KEY: ${{ secrets.CURSOR_API_KEY }}
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MODEL: gpt-5-codex
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GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
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BLOCKING_REVIEW: ${{ vars.BLOCKING_REVIEW || 'false' }}
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run: |
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cursor-agent --force --model "$MODEL" --output-format=text --print 'You are operating in a GitHub Actions runner performing automated code review. The gh CLI is available and authenticated via GH_TOKEN. You may comment on pull requests.
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Context:
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- Repo: ${{ github.repository }}
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- PR Number: ${{ github.event.pull_request.number }}
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- PR Head SHA: ${{ github.event.pull_request.head.sha }}
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- PR Base SHA: ${{ github.event.pull_request.base.sha }}
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- Blocking Review: ${{ env.BLOCKING_REVIEW }}
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Objectives:
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1) Re-check existing review comments and reply resolved when addressed.
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2) Review the current PR diff and flag only clear, high-severity issues.
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3) Leave very short inline comments (1-2 sentences) on changed lines only and a brief summary at the end.
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Procedure:
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- Get existing comments: gh pr view --json comments
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- Get diff: gh pr diff
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- Get changed files with patches to compute inline positions: gh api repos/${{ github.repository }}/pulls/${{ github.event.pull_request.number }}/files --paginate --jq '.[] | {filename,patch}'
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- Compute exact inline anchors for each issue (file path + diff position). Comments MUST be placed inline on the changed line in the diff, not as top-level comments.
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- Detect prior top-level "no issues" style comments authored by this bot (match bodies like: "✅ no issues", "No issues found", "LGTM").
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- If CURRENT run finds issues and any prior "no issues" comments exist:
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- Prefer to remove them to avoid confusion:
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- Try deleting top-level issue comments via: gh api -X DELETE repos/${{ github.repository }}/issues/comments/<comment_id>
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- If deletion isn't possible, minimize them via GraphQL (minimizeComment) or edit to prefix "[Superseded by new findings]".
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- If neither delete nor minimize is possible, reply to that comment: "⚠️ Superseded: issues were found in newer commits".
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- If a previously reported issue appears fixed by nearby changes, reply: ✅ This issue appears to be resolved by the recent changes
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- Analyze ONLY for:
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- Null/undefined dereferences
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- Resource leaks (unclosed files or connections)
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- Injection (SQL/XSS)
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- Concurrency/race conditions
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- Missing error handling for critical operations
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- Obvious logic errors with incorrect behavior
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- Clear performance anti-patterns with measurable impact
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- Definitive security vulnerabilities
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- Avoid duplicates: skip if similar feedback already exists on or near the same lines.
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Commenting rules:
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- Max 10 inline comments total; prioritize the most critical issues
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- One issue per comment; place on the exact changed line
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- All issue comments MUST be inline (anchored to a file and line/position in the PR diff)
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- Natural tone, specific and actionable; do not mention automated or high-confidence
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- Use emojis: 🚨 Critical 🔒 Security ⚡ Performance ⚠️ Logic ✅ Resolved ✨ Improvement
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Submission:
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- If there are NO issues to report and an existing top-level comment indicating "no issues" already exists (e.g., "✅ no issues", "No issues found", "LGTM"), do NOT submit another comment. Skip submission to avoid redundancy.
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- If there are NO issues to report and NO prior "no issues" comment exists, submit one brief summary comment noting no issues.
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- If there ARE issues to report and a prior "no issues" comment exists, ensure that prior comment is deleted/minimized/marked as superseded before submitting the new review.
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- If there ARE issues to report, submit ONE review containing ONLY inline comments plus an optional concise summary body. Use the GitHub Reviews API to ensure comments are inline:
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- Build a JSON array of comments like: [{ "path": "<file>", "position": <diff_position>, "body": "..." }]
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- Submit via: gh api repos/${{ github.repository }}/pulls/${{ github.event.pull_request.number }}/reviews -f event=COMMENT -f body="$SUMMARY" -f comments='[$COMMENTS_JSON]'
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- Do NOT use: gh pr review --approve or --request-changes
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Blocking behavior:
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- If BLOCKING_REVIEW is true and any 🚨 or 🔒 issues were posted: echo "CRITICAL_ISSUES_FOUND=true" >> $GITHUB_ENV
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- Otherwise: echo "CRITICAL_ISSUES_FOUND=false" >> $GITHUB_ENV
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- Always set CRITICAL_ISSUES_FOUND at the end
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'
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- name: Check blocking review results
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if: env.BLOCKING_REVIEW == 'true'
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run: |
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echo "Checking for critical issues..."
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echo "CRITICAL_ISSUES_FOUND: ${CRITICAL_ISSUES_FOUND:-unset}"
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if [ "${CRITICAL_ISSUES_FOUND:-false}" = "true" ]; then
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echo "❌ Critical issues found and blocking review is enabled. Failing the workflow."
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exit 1
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else
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echo "✅ No blocking issues found."
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fi

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