| Data disappears after clearing site data | User/browser deleted origin storage | Explain local-only risk and add sync/export |
| Data missing after domain change | IndexedDB is origin-bound | Migrate through server sync or export/import |
| Writes vanish offline | App did not persist before sending | Save to IndexedDB outbox before network request |
| Large uploads fail later | Blob quota or eviction pressure | Track usage, compress, chunk, or upload sooner |
| Private mode loses records | Storage behavior differs | Detect and warn before offline work |
| App reset deletes business records | Clear-cache action also deleted IndexedDB | Separate cache cleanup from data deletion |