- Add missing fork step before clone
- Unify venv name to .venv (was mixing venv/. venv)
- Replace undefined sample_data() with inline pd.Series in test example
- Replace undefined _small_positive_int with st.integers() in Hypothesis example
- Fix docstring template signature: length: int = 20 → Optional[int] = None
- Drop perf from commit types (no matching perf/<topic> branch convention)