- Lazy-init sfTracking to avoid touching Firebase at import time
- DRY SfTrackingRepository with a single _broadcast helper
- Drop empty DashboardTracking, fix double step_completed in device_setup
- Move yearsBetween to packages/utils
- Add 5 unit tests for SfTrackingRepository
- Strip noisy comments from mixins and view models
- Upgrade Melos to 7.5.1 using Dart pub workspaces (Melos 7 paradigm).
- Replace per-package pubspec_overrides.yaml with workspace-native resolution. Add dependencies.yaml as a centralized catalog for all external deps with sync_deps.dart tool to propagate and validate versions across the monorepo.