opencode/packages/app/src/context/permission-auto-respond.ts

import { base64Encode } from "@opencode-ai/util/encode"

export function acceptKey(sessionID: string, directory?: string) {
  if (!directory) return sessionID
  return `${base64Encode(directory)}/${sessionID}`
}

function sessionLineage(session: { id: string; parentID?: string }[], sessionID: string) {
  const parent = session.reduce((acc, item) => {
    if (item.parentID) acc.set(item.id, item.parentID)
    return acc
  }, new Map<string, string>())
  const seen = new Set([sessionID])
  const ids = [sessionID]

  for (const id of ids) {
    const parentID = parent.get(id)
    if (!parentID || seen.has(parentID)) continue
    seen.add(parentID)
    ids.push(parentID)
  }

  return ids
}

export function autoRespondsPermission(
  autoAccept: Record<string, boolean>,
  session: { id: string; parentID?: string }[],
  permission: { sessionID: string },
  directory?: string,
) {
  return sessionLineage(session, permission.sessionID).some((id) => {
    const key = acceptKey(id, directory)
    return autoAccept[key] ?? autoAccept[id] ?? false
  })
}