Control layer
Duplicate prevention
Prevent source/date duplicates from slipping into monthly reporting totals.
Corrections are expected. Invisible corrections are the problem.
Slate makes spend defensible because every material change has a source, actor, timestamp, and reason.
Control layer
Explicit overwrite confirmation
Conflicts become intentional corrections, not silent overwrites.
Control layer
Required correction reason
Corrections require a reason so the team can explain what changed later.
Control layer
Immutable audit log
Audit rows show source, spend date, old amount, new amount, actor, origin, and timestamp.
Control layer
Admin / Editor / Viewer roles
Admins manage the workspace, Editors create and correct spend, and Viewers inspect spend and audit logs.
Make every marketing number defensible.
Bring imports, manual corrections, calculated metrics, audit history, and Google Sheets exports into one controlled workflow.