Code and data for "Granular linear memory emerges near mechanical onset with distributional and pair-resolved representations"

Supporting computational release containing simulation and analysis code, frozen configurations, confirmatory condition-level numerical outputs, saved reference states, figure source-data tables, automated tests, and provenance records for the study "Granular linear memory emerges near mechanical onset with distributional and pair-resolved representations". The manuscript, supplementary manuscript, submission documents, review correspondence, and rendered paper figures are not included. The archive supports reproduction of the reported numerical analyses and figure source data. No external funding supported this work.