Bug_report

ID	Severity	Relative to Aug13	Verified issue	Trigger or scope	Fixed?	Commit
NUX-R01	High	Shared	Trapped energy target and residual mix incompatible energy representations	Trapping branch in either physical-rate adapter	Yes	0cd53d8
NUX-R02	High	Shared	Trapped lepton target has the opposite neutrino-asymmetry sign from the residual	Nonzero electron-neutrino/antineutrino asymmetry	Yes	2016032
NUX-R03	High	Expanded	Equilibrium Jacobian uses incorrect temperature samples and omits a temperature factor	Nontrivial trapped-equilibrium iteration	Yes	c710eff
NUX-R04	High	Shared	Backtracking commits rejected trials and mishandles feasible directions	Rejected Newton step or EOS-boundary iterate	Yes	b9da598
NUX-R05	Medium	Shared	Nonfinite equilibrium merit can produce success; iteration budget is inconsistent	Nonfinite merit, zero normalization, or budget exhaustion	Yes	9221a6b
NUX-R06	High	New	Explicit-only ODESolvers methods omit nuX collision evolution without a compatibility error	Nonzero interactions with an explicit-only method	Yes	7e9a43d
NUX-R07	High	New	Terminal source failure is enforced only by assert	Failed source update in an assertion-free build	Yes	701b520
NUX-R08	Medium	New	use_fallback=no is not enforced without assertions	Closure failure with fallback disabled and NDEBUG	Yes	6d1bf47
NUX-R09	Medium	Shared	Closure iteration exhaustion is not routed to failure handling	Last interval test still requests continuation	Yes	7dd4f1f
NUX-R10	Medium	Shared	Source convergence on the final allowed iteration is rejected	Convergence occurs on iteration source_maxiter	Yes	1bd670f
NUX-R11	Medium	Shared	Negative source trials bypass the intended domain rejection	Nonlinear solver proposes negative energy	Yes	9ea5416
NUX-R12	Medium	Shared	Accepted rad_eps > 1 makes the realizability repair invalid	Nondefault out-of-domain parameter value	Yes	f875c32
NUX-R13	Low	New	Closure fallback scores a different pressure model from the one returned	Nonlinear-closure fallback	Yes	c002540
NUX-R14	Medium	New	A zero hybrid step reaches a division by zero in the QR update	Exact-root or other zero-step iterate	Yes	e906ce6
NUX-R15	Medium	New	Internally generated equilibrium retries are evaluated outside the EOS box	Earlier attempt fails near a table boundary	Yes	56ef7e5

Full audit report

Status updated 2026-09-25. All fixes are on the odesolvers branch.