AI Architecture
Human-in-the-Loop (HITL) in AI Agents: Breakpoints, State Editing & Approval Gates
Safeguard high-risk operations (wire transfers, DB mutations, email sending) by implementing human-in-the-loop approval gates in LangGraph.
3 min
LangGraph interrupt_before Mechanism
Setting `interrupt_before=['payment_node']` halts the graph execution state and persists it to a database. The workflow only resumes once an authorized human verifies or modifies the proposed payload.