Machine data arrives as a Maximo asset export (validated against the WINC
site) that must update existing machines in place, not create canonical
per-table rows, so it does not fit the ShopDB-native/Azure/Thor CSV adapter
path. Bulk edits to live machines also need an escape hatch, so the whole
commit is journaled and can be undone as one batch.
Add a dedicated dry-run analyzer, approval packet, resolver/suggest helpers,
and a reversible writer/undo backed by a new importbatches/importjournalentries
schema (with migration). Expose preview/commit/batches/undo settings routes and
a matching frontend source card and panel, and surface the batch/journal
contract through shopdb.api for plugins.
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