feat: architecture overhaul, launchpad-style reports, and uber-style locations

- Strengthened Buffer Layer architecture to decouple Data Connect from Domain
- Rewired Coverage, Performance, and Forecast reports to match Launchpad logic
- Implemented Uber-style Preferred Locations search using Google Places API
- Added session recovery logic to prevent crashes on app restart
- Synchronized backend schemas & SDK for ShiftStatus enums
- Fixed various build/compilation errors and localization duplicates

apps/mobile/packages/domain/lib/src/entities/financial/billing_period.dart

@@ -0,0 +1,8 @@
+/// Defines the period for billing calculations.
+enum BillingPeriod {
+  /// Weekly billing period.
+  week,
+
+  /// Monthly billing period.
+  month,
+}