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Field agents use your app all day in basements with no signal. Design sync so their offline edits merge safely when they reconnect.

The difficult decisions are preserving offline intent and enforcing rules that span devices. Interviewers want conflict classes named and handled deliberately, not a CRDT framework proposed on instinct.

Updated Sep 2026 · Grounded in researched DevOps, SRE and platform engineering interview loops, written to a senior-engineer editorial bar, and never padded to hit a word count.

The difficult decisions are preserving offline intent and enforcing rules that span devices. Interviewers want conflict classes named and handled deliberately, not a CRDT framework proposed on instinct.

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