test(graphical): EP integration coverage — parity, deterministic, exact#39
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…ct (#81) EP framework review Phase 3 (test leg): ep_parity.py (EP vs joint Dynesty parity + truth recovery), ep_deterministic.py (low-level factor_out API through an EP fit), ep_exact.py (ExactFactorFit conjugate path vs analytic product). All verified PASS, re-validated against post-#1345/#1348 main. Development surfaced audit finding F10 (undamped sigma collapse) on PyAutoFit#1332. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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Summary
EP framework review Phase 3, test leg (tracker autofit_workspace#81; ship approved by human 2026-07-10). Three new integration scripts thickening
scripts/graphical/coverage:ep_parity.py(EP vs joint Dynesty fit parity + truth recovery, ~19s stable),ep_deterministic.py(first integration exercise of the low-levelfactor_outdeterministic-variable API through an EP fit),ep_exact.py(ExactFactorFitconjugate path matches the analytic two-Gaussian product to identical digits).Development surfaced audit finding F10 (undamped Laplace-only EP collapses sigmas to ~1e-15, no guardrail) — posted to PyAutoFit#1332; the runtime guard (
check_sigma_collapse) ships in the Phase-4 diagnostics PR.API Changes
None — test scripts only. Not added to
smoke_tests.txt(curated subset stays small).Test Plan
🤖 Generated with Claude Code