The non-interactive environment variables (pager, editor, and prompt
suppression) were only applied in the PTY (interactive) bash path.
The non-PTY executeBash path had no such defaults, so commands could
block on pagers or credential prompts.
- Extract NO_PAGER_ENV from bash-interactive.ts into shared
non-interactive-env.ts module (renamed to NON_INTERACTIVE_ENV)
- Apply it in executeBash (non-PTY) with user overrides taking
precedence
- Fix ordering in interactive PTY path so user env overrides
the defaults (was reversed)
- Add test verifying defaults are applied alongside user env
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