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Optimize PR Code Quality Reviewer prompt and diff prefetch - #51170
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pelikhan merged 3 commits intoAug 7, 2026
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Co-authored-by: pelikhan <4175913+pelikhan@users.noreply.github.com>
Co-authored-by: pelikhan <4175913+pelikhan@users.noreply.github.com>
CopilotAI
changed the title
[WIP] Optimize PR Code Quality Reviewer by consolidating guidanceOptimize PR Code Quality Reviewer prompt and diff prefetchAug 7, 2026
pelikhan
marked this pull request as ready for review
August 7, 2026 19:50
pelikhan
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copilot/agentic-token-optimizer-optimize-pr-code-quality
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August 7, 2026 19:51
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Pull request overview
Optimizes PR review token usage and aligns the code-quality reviewer with the Pi engine.
Changes:
- Consolidates review-formatting guidance.
- Reduces the intended diff cap from 3,000 to 2,000 lines.
- Migrates the reviewer from Copilot to Pi.
Show a summary per file
| File | Description |
|---|---|
.github/workflows/shared/pr-diff-data-fetch.md | Lowers the shared diff cap. |
.github/workflows/pr-code-quality-reviewer.md | Streamlines prompts and selects Pi. |
.github/workflows/pr-code-quality-reviewer.lock.yml | Recompiles the reviewer for Pi. |
.github/workflows/mattpocock-skills-reviewer.lock.yml | Recompiles with the lower cap. |
.github/workflows/impeccable-skills-reviewer.lock.yml | Recompiles with the lower cap. |
Review details
Tip
Add Copilot custom instructions for smarter, more guided reviews. Learn how to get started.
- Files reviewed: 5/5 changed files
- Comments generated: 1
- Review effort level: Balanced
| PR_HEAD_SHA: ${{ github.event.pull_request.head.sha }} | ||
| EXPR_GITHUB_REPOSITORY: ${{ github.repository }} | ||
| PR_DIFF_MAX_LINES: "3000" | ||
| PR_DIFF_MAX_LINES: "2000" |
Contributor
🎉 This pull request is included in a new release. Release: |
This was referenced Aug 7, 2026
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The PR Code Quality Reviewer carried duplicated prompt guidance and over-prefetched large PR diffs, increasing AIC on every run and especially on large diffs. This update trims always-loaded instructions and lowers the shared reviewer diff cap.
Prompt consolidation
Review Formattingsubsection.Do not flaglist.Diff cap reduction
shared/pr-diff-data-fetch.md.Engine alignment
PR Code Quality Reviewerto the requestedpiagentic engine.