LangGraph Workflows (1.0) Build production-ready agent workflows with LangGraph's state machine architecture. LangGraph 1.0 Overview LangGraph is the standard for building stateful, multi-step agent applications: - Durable execution : Survive failures and restarts - Human-in-the-loop : Pause for approval, resume later - Streaming : First-class support for token streaming - Debugging : Full execution traces and replay Core Concepts Pattern 1: Basic State Graph Pattern 2: Conditional Routing Pattern 3: ReAct Agent Pattern 4: Parallel Execution Pattern 5: Subgraphs State Reducers Control how sta…