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GlowTrack/specs/001-glowtrack-a-mood/research/04-pwa-sw-offline-safety.md
Danilo Reyes 2f096d0265 feat: Add GlowTrack mood and habit wellbeing grid specifications
- Introduced export schema for JSON data structure.
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- Defined IndexedDB storage schema and migration strategies.
- Documented data model including entities and relationships.
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2025-09-18 00:36:13 -06:00

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# Research: PWA SW Updates & Offline Write Safety
## Hypothesis
With cache versioning and cautious update prompts, we can avoid data loss during app updates and schema bumps while offline.
## Questions
- Best timing for SW activation without disrupting writes
- Handling schema migrations when a stale SW is cached
- Safe rollback strategy
## Method
- Simulate offline state; bump schema; observe SW activation and data integrity
## Acceptance
- No data loss or corruption across update/migration
- Clear UX for update available and post-update state
## Deliverables
- SW update policy, cache naming, migration/rollback checklist