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fix: dataset-scoped preloads consumption — cross-type shared state reduces to mesh view - #601
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…duces to mesh view In a joint imaging+interferometer FactorGraphModel, the lead factor's shared preloads are forwarded to EVERY factor. A PreloadsInterferometer carries a mapper + curvature matrix that embed ITS dataset's grids — consuming them in an imaging fit (or vice versa) would silently corrupt the likelihood. Both fits now scope their preloads at consumption (_preloads_scoped): same-type passes through by identity; cross-type reduces to the mesh-geometry view, the only part valid across dataset types (PyAutoLens#599 D5). AnalysisInterferometer.shared_state_from also populates the mesh fields so an interferometer lead shares the mesh cross-type. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Summary
Correctness follow-up to #600 (design PyAutoLens#599 D5): in a joint imaging + interferometer
FactorGraphModel, the lead factor's shared preloads are forwarded to every factor — but aPreloadsInterferometercarries a mapper + curvature matrix that embed its dataset's grids. Consuming them in an imaging fit (or vice versa) would silently corrupt the likelihood.Both fits now scope their preloads at consumption (
_preloads_scoped): same-type preloads pass through by identity (datacube path byte-for-byte unchanged); cross-type preloads reduce to the mesh-geometry view — the only part valid across dataset types.AnalysisInterferometer.shared_state_fromalso populates the mesh fields, so an interferometer lead now shares the mesh cross-type (completing D5 in both directions).Depends on the paired PyAutoArray PR (merge first).
API Changes
FitImaging._preloads_scoped/FitInterferometer._preloads_scoped(internal) — dataset-scoped preloads consumption.AnalysisInterferometer.shared_state_fromreturn value now also carriessource_plane_mesh_grid/image_plane_mesh_grid(additive).Test Plan
test_autolens/full suite (381 passed) incl. new cross-type scoping tests both directions + interferometer mesh-field populationtest_autoarray/(897) +test_autogalaxy/(962)Autonomy
--autosafe continuation (four-leg gate; Heart YELLOW reason set unchanged from the user's in-session ack). Ends at PR-open; merge stays human.🤖 Generated with Claude Code