https://jamieede.com/tags/architecture/ Recent content in Architecture on Jamie Ede Hugo en-US Wed, 22 Jul 2026 08:00:00 +0100 https://jamieede.com/posts/engineering-grounded-pdf-assistants/ Wed, 22 Jul 2026 08:00:00 +0100 https://jamieede.com/posts/engineering-grounded-pdf-assistants/ <p>This is the engineer&rsquo;s companion to <a href="https://jamieede.com/posts/grounded-pdf-assistants-docling-astra-hybrid-langflow/" >From a scanned PDF to an answer you can trust</a> . That post argued <em>why</em> a document assistant is trustworthy when every layer is measured or grounded. This one is about <em>how</em> you actually build each layer so that claim holds — the contracts, the failure modes, and the design decisions that survive contact with a real corpus.</p> <p>I will name the stack I used (<a href="https://research.ibm.com/blog/docling-generative-AI" target="_blank" >Docling</a> , <a href="https://docs.datastax.com/en/astra-db-serverless/databases/hybrid-search.html" target="_blank" >Astra DB hybrid search</a> , <a href="https://www.datastax.com/blog/datastax-acquires-langflow-to-accelerate-generative-ai-app-development" target="_blank" >Langflow</a> on Cloudflare), but the engineering is portable. Swap any component and the same four design rules carry over. The running example is the same one: assistants over motorcycle service manuals at <a href="https://virago.edestudio.us" target="_blank" >virago.edestudio.us</a> , <a href="https://vfr750.edestudio.us" target="_blank" >vfr750.edestudio.us</a> , and <a href="https://hondamonkey.edestudio.us" target="_blank" >hondamonkey.edestudio.us</a> .</p>