Bayesian temporal pulse conformance

Suite path: conformance/bayesian/temporal_pulse

Lag-1 SCM y_t = 0.9 * x_{t-1}; conjugate Bayesian g-comp on the unfolded temporal design via the CausalAnalysis facade. Posterior mean ≈ 0.9; finite P(effect < 0); posterior artifact round-trip.

Expected summary

Top-level keys: backend, expected_ate, horizon_steps, n, n_draws, outcome, require_artifact_round_trip, require_finite_p_below_zero, scm, tolerance, treatment, treatment_lag, true_effect_per_unit (13 fields).