5.1 Why Single-Prompt Fails
Context overload, instruction drift, and quality degradation in single-prompt designs.
Context overload, instruction drift, and quality degradation in single-prompt designs.
Chains, prompts, output parsers, and LCEL (LangChain Expression Language).
Stage 1 output → Stage 2 input, and data transformation between pipeline stages.
Fan-out/fan-in patterns, conditional routing, and aspect-based decomposition.
Extract → Transform → Generate → Validate pipeline design for reliable LLM output.