v0.19.1

The updater itself got fixed - one release after it mattered.

Highlights

• neko update shows its work now: live download progress (downloading 41.2 / 87.7 MB (47%))
  instead of minutes of silence that read as a hang.
• Updates take a machine-wide lock. With auto_update on, every neko startup may install in
  the background - previously several updaters could race one staging file. Now one runs; a second
  caller says so and exits. Killed updaters go stale in 10 minutes; orphaned staging files are swept.
• Verified live with two concurrent updates through real PTYs: one downloads and installs, the other
  is refused cleanly.

Install / update

neko update - or the one-liners:

irm https://neko.holilihu.online/install.ps1 | iex

curl -fsSL https://neko.holilihu.online/install.sh | sh

(The 0.19.0 -> 0.19.1 hop still runs the OLD updater one last time - silent but safe to wait out;
every update after this one shows progress.)

Full detail: CHANGELOG 0.19.1