fix(pdf): prevent unusable image-only ingestion - #2402
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WHUTcjh-2024
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July 29, 2026 10:33
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背景
修复扫描/图片型 PDF 在未开启多模态时,被标记为“解析成功”但只生成图片引用分块、无法参与问答的问题。
Closes #2341
改动
MULTIMODAL_OCR_REQUIRED,提示用户配置 VLM/OCR 后重新解析。影响与回滚
parser_engine_overrides.pdf_prefer_text_layer=false关闭该回退。