Release 2.1.158 (2026-07-23)

Bug fixes

• fall back to base image for language-less repos regardless of declared version (#2476) default_image built a malformed prod-: tag when a repo has no detected language (detect_language() == '') but declares [ci].versions — the #2468 change let 'version or default' short-circuit the no-language base fallback, breaking vrg-container-run in config/docs-only repos like .github (versions=['latest'] -> prod-:latest). Gate the version override on the language having a per-language image: a language-less/unknown repo always uses the base, and the declared version overrides only for a real language. Ref #2475.

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