Yijia-Xiao 34899bd320 fix(cli): save prompted API keys to an owner-only .env ...

- the key prompt created .env with the default umask, typically readable by
  other local users
- create it 0600 and tighten an existing file before writing the key; a
  read-only file is still updated

2026-09-14 22:38:19 +00:00

7.1 KiB

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