Conditional Edges and Routing Logic in LangGraph (ANSWERED)
TL;DR — Quick Answer
Conditional edges evaluate a function on state after a node completes and return the next node name(s). Encode routing rules from structured state flags, tool outputs, or classifier nodes — keep routing deterministic and testable.
The Interview Question
How do conditional edges work in LangGraph? Design routing for an agent that chooses between search, calculator, and human escalation.
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