Prompt

Design offline-first mobile architecture.

<data_requirements>
{data types and sync needs}
</data_requirements>

<offline_scenarios>
{expected offline usage patterns}
</offline_scenarios>

<conflict_potential>
{multi-device usage}
</conflict_potential>

Design:
1. Local storage strategy
2. Sync protocol
3. Conflict resolution
4. Queue management
5. Data compression
6. Battery optimization