// Package session shares the verified Agent cutover refusal across the
// Dispatcher, recording RPC server, and Agent without coupling their lifecycles.
package session

import "errors"

// GenerationTransitionMessage is the sole retryable recording RPC refusal.
const GenerationTransitionMessage = "verified Agent session generation changed"

// ErrGenerationTransition marks an adjacent active-session mismatch; it does
// not authorize the rejected fact or bypass the latest-generation fence.
var ErrGenerationTransition = errors.New(GenerationTransitionMessage)