[rogeriojorge]

Summary

• expose Diffrax's throw option through simulation
• return sol.result as solver_result
• test the non-throwing path and assert successful integration

This lets batch and distributed runs avoid a host exception callback while retaining an explicit, machine-checkable failure status.

Validation

• pytest -q (3 passed)
• throw=False returns RESULTS.successful for the default simulation

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

Files with missing lines	Coverage Δ
spectrax/_simulation.py	100.00% <100.00%> (ø)

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[rogeriojorge]

The throw option and solver_result moved into #50, which edits the same diffeqsolve lines; the state-layout part stays in #13.