Garage v1.2.1

[1.2.1] - 2026-09-19

Added

• Cost of Ownership Analytics: Overhauled cost analytics screen with detailed expense breakdown charts and category filtering.
• Expanded Test Coverage: Added comprehensive unit tests for CostOfOwnershipViewModelTest and MaintenanceScheduleEngineTest.

Changed

• Maintenance Schedule Engine: Refined suggestion logic and interval calculation thresholds.
• Parts Estimator UI: Improved parts estimation layout and calculations.