docs: add diagnostic settings to backup alert list
docs: describe backup change alert allow-list
docs: PDF title worker live on prod, backup done
docs: cost line uses the 2026-10-07 prod size
docs: record the prod document backup run
docs: fix backup status date and removal order
docs: record backup grant removal run on test
docs: record second test backup run results Drill read-back passed, the full test copy verified with 0 gaps, and the revert tool's read-only modes showed it needs two identities.
docs: add resource group to lock delete command Without -g the az CLI does not resolve the lock on the storage account, so the delete fails and the role assignment removal after it is blocked.
docs: split backup revert into its own page
docs: add Document-Backup page