Translate UI, scheduler, validation, preload and maintenance messages dynamically, and propagate locale changes between workers. Harden update checks, downloads and terminal states, verify Debian pnpm, and ignore generated test artifacts.
Map INI to the CodeMirror properties language and fall back to plain text for unsupported modes. Reap the timeout watchdog immediately under stderr redirection to prevent Bash job notifications during cleanup.
Refs #3095, #3096