## What changed
- queue account-bound issue closure from a cached mobile Today detail
- persist closure through localStorage and IndexedDB background sync before advancing Today
- surface failed closures in Drafts with retry/discard and actionable routing
- refresh the offline shell with the closure runtime
## Validation
- RED: focused authored-outbox, background-sync, draft, and offline flow tests failed before implementation
- GREEN: `pytest -q` — 820 passed
- focused regression: 105 passed
Closes #427
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What changed
Validation
pytest -q— 820 passedCloses #427