LangChain Chains Skill Capabilities - Compose LangChain chains using LCEL (LangChain Expression Language) - Implement sequential chain patterns - Design router chains for conditional logic - Create parallel execution chains - Handle chain fallbacks and retries - Implement streaming chains Target Processes - dialogue-flow-design - chatbot-design-implementation Implementation Details Chain Patterns 1. LCEL Pipelines : Modern composition with | operator 2. SequentialChain : Linear chain execution (legacy) 3. RouterChain : Conditional routing based on input 4. RunnableParallel : Parallel executio…