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The backup contains stock items, quantities, movement history, linked barcodes, labels, suppliers and cached product metadata. It deliberately excludes the settings table, so the public URL, QR access pass, signing key and quota state are not changed by backup or restore.
Uploaded reference-image files are stored separately under /data/item-images and are not embedded in this SQLite download. Their filenames are included, so existing images on this installation continue to link correctly after restore.
This replaces all current stock data with the contents of the selected backup. Lampstore validates the file first, performs the replacement transactionally, and automatically saves a pre-restore stock snapshot on the server.