EQUIL + GPEC - Two-pass measured-curvature auto psi grid with rational-surface knots#312

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logan-nc wants to merge 16 commits into

feature/two-pass-psi-grid

Commits on Jul 2, 2026

EQUIL - NEW FEATURE - Add override_psi_nodes injection to all equilibrium solver paths

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EQUIL - NEW FEATURE - Measured-curvature knot density, equidistribution, and mandatory-node merge

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ForceFreeStates - REFACTOR - Extract stateless rational-surface core; add rational_psi_nodes

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EQUIL - IMPROVEMENT - Derivative-error density in rho-space with rational-surface packing

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GPEC - NEW FEATURE - Two-pass auto psi grid with rational-surface knots in main driver

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ForceFreeStates - IMPROVEMENT - Default psi window for ballooning alpha-boundary scan drivers

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EQUIL - MINOR - Add q-vs-iota edge representation benchmark

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EQUIL - MINOR - Document two-pass auto grid (docstrings, equilibrium.md, example annotations)

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TEST - IMPROVEMENT - Pin DIIID parallel-integration testsets to ldp/mpsi=256 grid

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EQUIL - MINOR - Physics-review robustness: positivity precondition in equidistribution, IMAS rerun note

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Commits on Jul 3, 2026