- Account, AccountYear, Entry, TransferLink entities - EntryType enum (Income/Expense) - Soft-delete support via IsDeleted flag
- Step-by-step prompts for solution skeleton, domain model, DbContext mappings, application services, UI shell/pages, PDF export, and tests/validation
- .gitignore for .NET/Blazor project - VS Code launch and task configurations - Solution file (Duempelkas.slnx) - NuGet configuration