feat(offline): offline support for user records

[mikeringrose]

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Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have updated the CHANGELOG including this PR (where applicable)
• I have run tests and automatic checks locally
• I have run pitest check locally and checked that the coverage increased (or didn't change) or decreased insignificantly
• I have made corresponding changes to the documentation (where applicable)
• I have grouped commits logically or I promise to squash my commits before merge