graph Directory Reference

Directory dependency graph for graph:

Files
	cancel.h
	Cooperative cancellation primitive for graph runs.
	checkpoint.h
	Checkpoint system for graph execution state persistence and time-travel.
	compiler.h
	Pure JSON-definition → CompiledGraph parser, extracted from GraphEngine.
	coordinator.h
	CheckpointCoordinator — owns the super-step checkpoint lifecycle.
	deep_research_graph.h
	Deep Research agent — NeoGraph port of langchain-ai/open_deep_research.
	engine.h
	Main graph execution engine with super-step loop and HITL support.
	executor.h
	NodeExecutor — owns per-super-step node invocation.
	loader.h
	Singleton registries for custom reducers, conditions, and node types.
	node.h
	Graph node implementations: base class and built-in node types.
	node_cache.h
	Per-node result cache (opt-in).
	plan_execute_graph.h
	Factory for the Plan-and-Execute agent pattern.
	postgres_checkpoint.h
	PostgreSQL-backed CheckpointStore — durable, multi-process, blob-deduplicated, connection-pooled.
	react_graph.h
	Convenience factory for creating standard ReAct agent graphs.
	scheduler.h
	Pure routing / next-step-planning logic extracted from GraphEngine.
	sqlite_checkpoint.h
	SQLite-backed CheckpointStore — single-file persistence for embedded and single-process deployments.
	state.h
	Thread-safe mutable graph state management.
	store.h
	Cross-thread shared memory store (LangGraph Store equivalent).
	types.h
	Graph engine type definitions: channels, edges, nodes, events, and control flow.