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Feat/review suggestion blocks#52

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factory-nizar wants to merge 11 commits intodevfrom
feat/review-suggestion-blocks
Open

Feat/review suggestion blocks#52
factory-nizar wants to merge 11 commits intodevfrom
feat/review-suggestion-blocks

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@factory-nizar factory-nizar commented Mar 3, 2026

Add review-bot instructions to include suggestion blocks when the fix is high-confidence, using RIGHT-side anchors and a 250-line cap.

There's a bit of repetition in the prompts but feel free to correct me if anything is not relevant:

candidate: generates comment bodies, so would naturally want to add suggestions there as well
Validator: enforcement, reject if anchor changes
Review prompt: needed in the case a single pass is enabled

examples

or in this pr we are in currently

I did focus on anchoring on the right, since applying suggestions on deleted lines is not currently supported
image

Followup: adding guidance about including suggestions or not based on a boolean in this pr is not super important if we are moving the prompts to skills, but might be a nice in between till I get everything working.

Closes FAC-16670

@factory-nizar factory-nizar force-pushed the feat/review-suggestion-blocks branch 2 times, most recently from 7f1cb65 to 987bf4d Compare March 3, 2026 23:48
@factory-nizar factory-nizar marked this pull request as ready for review March 4, 2026 00:15
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factory-droid bot commented Mar 4, 2026

Droid finished @factory-nizar's task —— View job


Droid reviewed PR #52 — 1 finding approved (P1: blanket anchor-content restriction suppresses replacement suggestions), 1 rejected (speculative snippet-cap conflict). View review

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btw @jonathan-factory, @lukealvoeiro was suggesting 250 lines might be too big. I guess most suggestions even if they had egregious white space issues should not be more than sub 100?

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One approved finding: the blanket "do not change the anchor line content" instruction at line 352 contradicts the <replacement code> template and the suggestion blocks Rules section (which correctly scopes the unchanged-anchor restriction to insert-only suggestions). This would suppress the most common type of suggestion—single-line replacements. The suggested fix properly narrows the restriction to insert-only cases.

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btw @jonathan-factory, @lukealvoeiro was suggesting 250 lines might be too big. I guess most suggestions even if they had egregious white space issues should not be more than sub 100?

Yeah 250 was more of a relaxed upper bound to use as a failsafe against overly large comments, no concerns reducing to something like 100

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LG after re-running evals

factory-nizar and others added 8 commits March 23, 2026 10:33
Co-authored-by: factory-droid[bot] <138933559+factory-droid[bot]@users.noreply.github.com>

fix(review): escape suggestion blocks in prompt

Co-authored-by: factory-droid[bot] <138933559+factory-droid[bot]@users.noreply.github.com>

fix(review): enforce suggestion-only replacements

Co-authored-by: factory-droid[bot] <138933559+factory-droid[bot]@users.noreply.github.com>

update
Co-authored-by: factory-droid[bot] <138933559+factory-droid[bot]@users.noreply.github.com>
Co-authored-by: factory-droid[bot] <138933559+factory-droid[bot]@users.noreply.github.com>
Co-authored-by: factory-droid[bot] <138933559+factory-droid[bot]@users.noreply.github.com>
Co-authored-by: factory-droid[bot] <138933559+factory-droid[bot]@users.noreply.github.com>
Co-authored-by: factory-droid[bot] <138933559+factory-droid[bot]@users.noreply.github.com>
Co-authored-by: factory-droid[bot] <138933559+factory-droid[bot]@users.noreply.github.com>
@factory-nizar factory-nizar force-pushed the feat/review-suggestion-blocks branch from 916f6dc to 498436d Compare March 23, 2026 17:35
factory-nizar and others added 3 commits March 23, 2026 12:15
…ions parameter

Co-authored-by: factory-droid[bot] <138933559+factory-droid[bot]@users.noreply.github.com>
Co-authored-by: factory-droid[bot] <138933559+factory-droid[bot]@users.noreply.github.com>
Co-authored-by: factory-droid[bot] <138933559+factory-droid[bot]@users.noreply.github.com>
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Benchmark: v3 baseline vs suggestion blocks + dedup (50 PRs, 5 repos)

Run Precision Recall F1 TP FP FN
v3 baseline 63.2% 57.6% 60.3% 91 53 67
+suggestions+dedup 55.8% 60.8% 58.2% 96 76 62

+5 TPs, +23 FPs. Recall up 3.2pp, precision down 7.4pp, F1 down 2.1pp.

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