Production control note
How can seating assignments be versioned without an account?
A local browser project can preserve immutable canonical snapshots with timestamps and digests, compare any chosen baseline with the current state, export integrity-checked checkpoints, and keep the editable data independent of a cloud account.
Version the decision, not only the file
A filename such as final-v4 does not reveal whether the guest roster, table capacities, reminders, or print settings changed. Preserve the owner’s authoritative source outside the browser project and label every assumption that remains unverified.
Choose the right baseline
Compare against the exact proof sent to a printer or coordinator, not automatically against the newest snapshot. Review the result as production evidence, not as a recommendation or professional approval; the responsible people remain accountable for the decision.
Back up outside browser storage
Browser persistence improves convenience but does not replace a tested checkpoint stored according to the project’s retention policy. Carry this limitation into the proof and handoff so a fresh recipient knows what changed, what was checked, and what still requires human confirmation.