welcome

# /ouroboros:welcome Interactive onboarding for new Ouroboros users. ## Usage ``` /ouroboros:welcome # First-time or update onboarding /ouroboros:welcome --skip # Skip welcome, mark as shown /ouroboros:welcome --force # Force re-run welcome even if shown ``` ## Instructions When this skill is invoked, follow this flow: ### Python Runtime (Required) Before running any shell snippet below, define this resolver in the same shell. It accepts only Python 3.12 or newer, prefers `python3` and then `python`, and uses uv as the final fallback. Call `ouroboros_python` directly and quote every argument passed to it; the function preserves arguments and heredoc/stdin input. Only the probe and child interpreter discard inherited CPython path-selection overrides; the caller shell keeps its environment unchanged. <!-- ouroboros-python-resolver:start --> ```bash ouroboros_python() { if command -v python3 >/dev/null 2>&1 && (unset PYTHONHOME PYTHONPATH PYTHONPLATLIBDIR PYTHONEXECUTABLE __PYVENV_LAUNCHER__; command python3 -c 'import sys; raise SystemExit(sys.version_info < (3, 12))') >/dev/null 2>&1 then (unset PYTHONHOME PYTHONPATH PYTHONPLATLIBDIR PYTHONEXECUTABLE __PYVENV_LAUNCHER__; command python3 "$@") return fi if command -v python >/dev/null 2>&1 && (unset PYTHONHOME PYTHONPATH PYTHONPLATLIBDIR PYTHONEXECUTABLE __PYVENV_LAUNCHER__; command python -c 'import sys; raise SystemExit(sys.version_info < (3, 12))') >/dev/null 2>&1 the...