Insurance underwriting domain knowledge for building automated submission-processing systems. Use when designing or implementing underwriting pipelines, document-extraction agents, compliance workflows, HITL review systems, or decision-package assembly for insurance carriers or MGAs. Covers the submission-to-bind lifecycle, document extraction patterns, compliance gates (sanctions, licensing, clearance), human-in-the-loop design for regulated financial services, confidence calibration for extracted fields, operating-mode progression from manual to automated, and evidence traceability. Domain knowledge only — for LangGraph and AgentCore implementation patterns see langgraph-agentcore.