// 验证 pi SDK 对空目录（无会话的工作区）的行为：
//   node scripts/repro-empty-workspace.mjs "C:\path\to\empty\dir"
import { SessionManager, getAgentDir } from '@earendil-works/pi-coding-agent'
import { mkdirSync, mkdtempSync } from 'node:fs'
import { tmpdir } from 'node:os'
import { join } from 'node:path'

const target = process.argv[2] ?? mkdtempSync(join(tmpdir(), 'ws-empty-'))
mkdirSync(target, { recursive: true })
console.log('target cwd:', target)

try {
  const sm = SessionManager.continueRecent(target)
  console.log('continueRecent OK, sessionFile:', sm.sessionFile ?? '(none)')
  const list = await SessionManager.list(target)
  console.log('list count:', list.length)
} catch (err) {
  console.error('continueRecent FAILED:', err instanceof Error ? err.message : err)
  process.exit(1)
}
console.log('agentDir:', getAgentDir())