LangGraph · SOP Source posture: every non-trivial claim is cited inline. Citations use short tags like , , , — resolve them against for the full URL. --- 何时激活 (Activation Rules) Activate this skill when any of the following triggers fire: - The task mentions LangGraph, , , , , , , , , , or / decorators. - The user wants to build a stateful agent (memory across turns, long-running, must survive a process crash) — LangGraph's stated sweet spot . - The user wants human-in-the-loop (approve a tool call, edit state, multi-turn validation) — LangGraph offers a first-class primitive that competitors…