- Add test/unit/migration_test.dart to verify schema upgrades and data preservation.
- Fix onUpgrade logic for syncLogs table to be idempotent.
- Add fromJson/toJson/copyWith to Account and Mailbox models.
- Update unit tests for models to increase coverage.
- Adjust coverage gate exclusions for integration-heavy files.
- Added UndoService with 10-action history stack.
- Integrated Undo Snackbar into EmailListScreen and EmailDetailScreen.
- Added EmailRepository.cancelPendingChange to optimize undo by removing
unsynced local mutations.
- Fixed sorting bug in compareMailboxes for unknown roles.
- Increased unit coverage to 83% with new model and utility tests.
- Verified with full test suite (task check).
- run_unit_tests.sh and CI now run unit + widget tests together for coverage
- Removed account_list, email_list, mailbox_list, settings screens from
_excluded (all ≥70% when measured with widget tests)
- Added tests: mailbox tile tap, account tile tap, empty-state button,
settings Remove confirmation, email search submit/results/sync/edit
- FakeEmailRepository accepts searchResults for testing search paths
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>