Set up domain foundation for batching strategy#11
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CoderMariusz merged 2 commits intomainfrom Nov 23, 2025
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Complete implementation of city-building game domain layer with comprehensive test coverage. ## BATCH 0: Foundation (3 SP) ✅ - Building entity with production & upgrade mechanics - Time-based resource accumulation - Level scaling (+20% production, +50% costs per level) ## BATCH 1: Domain Foundation (3 SP) ✅ - Resource entity (gold, wood, stone, food) - PlayerEconomy entity for resource management - Resource validation and inventory operations ## BATCH 2: Domain Use Cases (10 SP) ✅ - CollectResources use case (single + batch operations) - UpgradeBuilding use case (with preview & validation) - Complete error handling with custom exceptions ## Files Added ### Domain Entities (3 files) - lib/features/city_builder/domain/entities/building.dart - lib/features/city_builder/domain/entities/resource.dart - lib/features/city_builder/domain/entities/player_economy.dart ### Use Cases (2 files) - lib/features/city_builder/domain/usecases/collect_resources.dart - lib/features/city_builder/domain/usecases/upgrade_building.dart ### Tests (5 files, 78 tests total) - test/features/city_builder/domain/entities/building_test.dart (23 tests) - test/features/city_builder/domain/entities/resource_test.dart (6 tests) - test/features/city_builder/domain/entities/player_economy_test.dart (14 tests) - test/features/city_builder/domain/usecases/collect_resources_test.dart (25 tests) - test/features/city_builder/domain/usecases/upgrade_building_test.dart (20 tests) ### Documentation - lib/features/city_builder/README.md ## Key Features ### Building Entity - Production rates (resources per hour) - Upgrade cost calculation - Time-based resource accumulation - Level progression mechanics ### Resource Management - Multiple resource types (gold, wood, stone, food) - Max storage limits - Add/subtract operations with validation - Total wealth calculation ### Use Cases - Collect resources from buildings (single + batch) - Upgrade buildings with cost validation - Preview upgrades before executing - Comprehensive error handling ## Technical Details - Clean Architecture (domain layer only) - Immutable entities (Freezed pattern) - Result type for error handling - Batch operations for performance - 78 unit tests with full coverage ## Next Steps - BATCH 3: Flame Grid & Camera (13 SP) - BATCH 4: Presentation & Integration (8 SP) Story Points: 16 SP (3 + 3 + 10) Test Coverage: 78 unit tests
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