Function isValidConversationCopyLineage

packages/storage/src/session-store.ts:1086–1112

(header: SessionHeader)

}

function isValidConversationCopyLineage(header: SessionHeader): boolean {
  const copy = header.conversationCopy;
  if (copy === undefined) return true;
  if (
    !isSessionConversationCopy(copy) ||
    !isSafeSessionId(copy.sourceSessionId) ||
    copy.sourceSessionId === header.id ||
    header.subagentParent !== undefined
  ) {
    return false;
  }
  if (copy.kind === 'branch') {
    return (
      header.parentSessionId === copy.sourceSessionId &&
      header.branchOfTurnId === copy.sourceTurnId &&
      header.revisionRootSessionId === undefined &&
      header.revisionParentSessionId === undefined &&
      header.revisionOfTurnId === undefined &&
      header.revisionIndex === undefined &&
      header.revisionState === undefined
    );
  }
  return (
    header.revisionParentSessionId === copy.sourceSessionId &&
    header.revisionOfTurnId === copy.sourceTurnId
  );
}

function isValidSubagentSessionLineage(header: SessionHeader): boolean {
  if (header.subagentParent === undefined) {