Tech May 2, 2026 14 min OCR-Memory Lets Agents Recall History as Images A read of arXiv:2604.26622 OCR-Memory. It renders agent execution history into images, uses Set-of-Mark to let a VLM pick relevant segments, then retrieves verbatim text from the original logs. AI AIエージェント OCR VLM RAG トークン管理 論文