PR 7: adopt CosmoSIS native SACC likelihood (sacc_like), validated against the converter path#255

Draft

cailmdaley wants to merge 10 commits into

feat/sacc-4-cosmo-val-saccfrom

feat/sacc-7-sacc-like

Commits on Jul 10, 2026

feat(twopoint): SACC → 2pt-FITS converter, byte-compatible with cosmosis_fitting

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feat(one_covariance): SACC <-> OneCovariance file-format glue

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fix(twopoint): fail fast on tomographic/ξ-less SACC; pin covariance gather

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Merge branch 'feat/sacc-3-2pt-converter' into feat/sacc-7-sacc-like
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feat(sacc_like): sp_validation shim over CosmoSIS SaccClLikelihood

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feat(inference): sacc_like ini template + config generator

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feat(inference): rewire inference_prep to consume the assembled SACC

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fix(sacc_like): keep self.sacc_data in arcmin so save_theory writes arcmin tags

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fix(inference): bind ini templates as inference_prep inputs, not params

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fix(sacc_like): defer cosmosis import so bare module import needs no cosmosis

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