v0.4.0-beta.4
Fixes:
- update check/install now explicitly uses registry=https://registry.npmjs.org.
- update flows keep proxy settings for npm update commands.
- built-in runtime upgraded to @deepseek-ai/dsh 0.1.0-rc.7.
- zenmux remains @zenmux/dsh-plugins 0.1.7 (cache fix included from previous update).