This came up in Chinese AI developer circles recently: IBM has been promoting something called Chunkless RAG, where instead of the standard document-to-chunk-to-embedding pipeline, an AI agent navigates document structure the way a human reader would. Tools like Docling parse PDFs into structured representations, preserving headings, tables, and section hierarchies, and then the agent walks that structure to find relevant content rather than doing cosine similarity on chopped-up text. The pit...