Use graph state context

activeNode: 
  | "extract_input"
  | "schema_inspection"
  | "generate_translation_node"
  | "prep_schema_validation"
  | "validate_schema_node"
  | "prep_query_validation"
  | "validate_query_node"
  | "prep_query_equivalence"
  | "check_query_equivalence_node"
  | "evaluation_node"
  | "human_intervention_node"
  | null;

error: 
  | {
  error?: any;
  message: string;
}
  | null;

graphState: Partial<BackendState>;

runError: 
  | {
  error?: any;
  message: string;
}
  | null;

setError: (error: 
  | {
  error?: any;
  message: string;
}
  | null) => void;

setRunError: (error: 
  | {
  error?: any;
  message: string;
}
  | null) => void;

const GraphStateContext: Context<GraphStateContextType>;

function useGraphStateContext(): GraphStateContextType;