Proofread helper strips lines on Meta

Falco · 11 באוגוסט,‏ 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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Proofread text inserts the text twice Bug ai , ai-helper	7	240	3 בדצמבר,‏ 2024
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"Traditional markdown linebreaks" not reflected in preview Bug	3	1406	3 ביולי,‏ 2017
Space before/after inline code gets collapsed sometimes Bug markdown	1	1523	27 במאי,‏ 2015
Strikethrough with empty lines Bug markdown	2	926	15 במאי,‏ 2025

Proofread helper strips lines on Meta

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