Mapping Audit Log (1 entry)

Append-only history of every mapping-table change: who changed what, when, from what to what. Read-only — there is no revert.

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WhenTable / RowActionChangeActorSource
2026-07-03 16:50:05 rev_dm_project_mapping
IL-09
insert description: Illinois 9th Congressional
dm_code: IL-09
sage_function: PRO-IE
sage_project_id: 2026-HC-IL09
system:migration migration