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Developer shares RAG assistant bugs: citation leaks and state loss

A developer encountered two significant bugs while building an agentic Retrieval-Augmented Generation (RAG) assistant. The first bug involved internal citation markers leaking into user-facing answers due to how streaming token chunks split the markers, requiring a buffering solution to ensure complete markers were processed. The second bug, initially appearing as a state-storage issue, was actually an architectural problem where the backend's idle spin-down caused the application to lose all context, necessitating a re-upload of documents for each new session. AI

IMPACT Highlights potential trust issues in RAG systems due to subtle bugs in streaming and state management.

RANK_REASON Developer blog post detailing bugs in a custom-built AI application.

Read on dev.to — LLM tag →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

Developer shares RAG assistant bugs: citation leaks and state loss

COVERAGE [1]

  1. dev.to — LLM tag TIER_1 English(EN) · Ayush Singh Tomar ·

    Two Bugs That Almost Shipped in My Agentic RAG Assistant

    <p>I built an agentic RAG assistant — upload a PDF, ask questions, get streamed answers grounded in the document. It uses LangGraph for tool orchestration, Groq for fast inference, Qdrant for retrieval, and Streamlit for the UI.</p> <p>It worked. Mostly. Every so often, a stray <…