Proofread helper strips lines on Meta

Falco · August 11, 2026, 5:21pm

Fix is coming

github.com/discourse/discourse

FIX: Preserve whitespace-only chunks when streaming structured output (#42524)

main ← fix-ai-helper-whitespace-chunks

merged 05:25PM - 11 Aug 26 UTC

xfalcox

+77 -12

Previously, streamed structured-output chunks in the AI helper were appended onl…y when `present?`, so whitespace-only deltas (e.g. an escaped `\n\n` between paragraphs) were consumed from the parser buffer and silently dropped, collapsing multi-paragraph proofread results into a single paragraph (regressed in #42442; the same pattern existed in `ReportRunner` and `ChatThreadTitler`). This change appends any non-nil, non-empty chunk, preserving paragraph breaks and spaces, and adds a regression spec streaming whitespace-only deltas.

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"Traditional markdown linebreaks" not reflected in preview Bug	3	1394	July 3, 2017
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Proofread helper strips lines on Meta

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