* fix: leftover engine repair, just --no-sync, and ggml verify from #713#713 only rewrote a broken config.json toward whisper_cpp, so a reinstall
that kept the old engine still died when vosk was the extra that installed.
verify_configured_engine now prefers SELECTED_ENGINE, then any working extra,
and the vosk fallback rewrites an existing file.
just recipes use uv run --no-sync so they do not prune extras from
just deps-all. CONTRIBUTING lists libgirepository-2.0-dev for Ubuntu 24.04.
An unverified ggml file is not loaded if unlink fails, and an unpinned name
is refused rather than deleted.
* fix(appimage): retry tooling downloads on curl reset
* fix(build): bootstrap .venv for --no-sync just recipes and cover the contributor path in CI
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Co-authored-by: Sergey Silaev <hello@8am.dev>
