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feat: Add backend foundation with clean architecture
- Set up .NET 8 solution with 4 projects (Domain, Application, Infrastructure, Api) - Implement Domain layer: * Core entities: Board, Column, Card, Label, CardLabel * Domain exceptions and error codes * Base Entity class with audit fields * Result pattern for error handling - Implement Application layer: * Repository interfaces (IUnitOfWork pattern) * DTOs for all entities * Service layer with business logic (BoardService, ColumnService, CardService, LabelService) * WIP limit enforcement in CardService - Implement Infrastructure layer: * EF Core DbContext with SQLite support * Entity configurations with Fluent API * Proper relationships and cascade rules - Add comprehensive domain tests: * BoardTests, ColumnTests, CardTests, LabelTests * Test domain invariants and validation rules All layers follow clean architecture principles with proper dependency flow.
1 parent 2aa113b commit c0faa60

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‎backend/Taskdeck.sln‎

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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio Version 17
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VisualStudioVersion = 17.0.31903.59
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{8A7E8B9C-1D2E-4F3A-9B5C-6D7E8F9A0B1C}"
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EndProject
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Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "tests", "tests", "{9B8F9CAD-2E3F-5G4B-AC6D-7E8F9GA1C2D}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Taskdeck.Domain", "src\Taskdeck.Domain\Taskdeck.Domain.csproj", "{A1B2C3D4-E5F6-4A5B-8C9D-0E1F2A3B4C5D}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Taskdeck.Application", "src\Taskdeck.Application\Taskdeck.Application.csproj", "{B2C3D4E5-F6A7-5B6C-9D0E-1F2A3B4C5D6E}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Taskdeck.Infrastructure", "src\Taskdeck.Infrastructure\Taskdeck.Infrastructure.csproj", "{C3D4E5F6-A7B8-6C7D-0E1F-2A3B4C5D6E7F}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Taskdeck.Api", "src\Taskdeck.Api\Taskdeck.Api.csproj", "{D4E5F6A7-B8C9-7D8E-1F2A-3B4C5D6E7F8A}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Taskdeck.Domain.Tests", "tests\Taskdeck.Domain.Tests\Taskdeck.Domain.Tests.csproj", "{E5F6A7B8-C9D0-8E9F-2A3B-4C5D6E7F8A9B}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Taskdeck.Application.Tests", "tests\Taskdeck.Application.Tests\Taskdeck.Application.Tests.csproj", "{F6A7B8C9-D0E1-9FA0-3B4C-5D6E7F8A9B0C}"
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EndGlobal

‎backend/src/Taskdeck.Api/Taskdeck.Api.csproj‎

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<Project Sdk="Microsoft.NET.Sdk.Web">
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<PropertyGroup>
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<TargetFramework>net8.0</TargetFramework>
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<Nullable>enable</Nullable>
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<ImplicitUsings>enable</ImplicitUsings>
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</PropertyGroup>
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<ItemGroup>
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<ProjectReference Include="..\Taskdeck.Application\Taskdeck.Application.csproj" />
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<ProjectReference Include="..\Taskdeck.Infrastructure\Taskdeck.Infrastructure.csproj" />
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</ItemGroup>
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<ItemGroup>
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<PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="8.0.0">
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<PrivateAssets>all</PrivateAssets>
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<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
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</PackageReference>
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<PackageReference Include="Swashbuckle.AspNetCore" Version="6.5.0" />
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</ItemGroup>
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</Project>

‎backend/src/Taskdeck.Application/DTOs/BoardDto.cs‎

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namespace Taskdeck.Application.DTOs;
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public record BoardDto(
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Guid Id,
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string Name,
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string? Description,
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bool IsArchived,
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DateTimeOffset CreatedAt,
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DateTimeOffset UpdatedAt
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);
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public record BoardDetailDto(
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Guid Id,
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string Name,
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string? Description,
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bool IsArchived,
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DateTimeOffset CreatedAt,
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DateTimeOffset UpdatedAt,
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List<ColumnDto> Columns
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);
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public record CreateBoardDto(
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string Name,
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string? Description
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);
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public record UpdateBoardDto(
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string? Name,
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string? Description,
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bool? IsArchived
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);

‎backend/src/Taskdeck.Application/DTOs/CardDto.cs‎

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namespace Taskdeck.Application.DTOs;
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public record CardDto(
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Guid Id,
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Guid BoardId,
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Guid ColumnId,
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string Title,
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string Description,
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DateTimeOffset? DueDate,
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bool IsBlocked,
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string? BlockReason,
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int Position,
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List<LabelDto> Labels,
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DateTimeOffset CreatedAt,
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DateTimeOffset UpdatedAt
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);
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public record CreateCardDto(
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Guid BoardId,
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Guid ColumnId,
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string Title,
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string? Description,
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DateTimeOffset? DueDate,
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List<Guid>? LabelIds
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);
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public record UpdateCardDto(
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string? Title,
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string? Description,
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DateTimeOffset? DueDate,
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bool? IsBlocked,
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string? BlockReason,
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List<Guid>? LabelIds
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);
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public record MoveCardDto(
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Guid TargetColumnId,
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int TargetPosition
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);

‎backend/src/Taskdeck.Application/DTOs/ColumnDto.cs‎

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namespace Taskdeck.Application.DTOs;
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public record ColumnDto(
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Guid Id,
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Guid BoardId,
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string Name,
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int Position,
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int? WipLimit,
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int CardCount,
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DateTimeOffset CreatedAt,
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DateTimeOffset UpdatedAt
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);
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public record CreateColumnDto(
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Guid BoardId,
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string Name,
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int? Position,
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int? WipLimit
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);
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public record UpdateColumnDto(
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string? Name,
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int? Position,
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int? WipLimit
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);

‎backend/src/Taskdeck.Application/DTOs/LabelDto.cs‎

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namespace Taskdeck.Application.DTOs;
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public record LabelDto(
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Guid Id,
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Guid BoardId,
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string Name,
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string ColorHex,
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DateTimeOffset CreatedAt,
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DateTimeOffset UpdatedAt
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);
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public record CreateLabelDto(
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Guid BoardId,
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string Name,
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string ColorHex
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);
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public record UpdateLabelDto(
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string? Name,
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string? ColorHex
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);

‎backend/src/Taskdeck.Application/Interfaces/IBoardRepository.cs‎

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using Taskdeck.Domain.Entities;
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namespace Taskdeck.Application.Interfaces;
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public interface IBoardRepository : IRepository<Board>
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{
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Task<IEnumerable<Board>> SearchAsync(string? searchText, bool includeArchived, CancellationToken cancellationToken = default);
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Task<Board?> GetByIdWithDetailsAsync(Guid id, CancellationToken cancellationToken = default);
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}

‎backend/src/Taskdeck.Application/Interfaces/ICardRepository.cs‎

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using Taskdeck.Domain.Entities;
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namespace Taskdeck.Application.Interfaces;
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public interface ICardRepository : IRepository<Card>
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{
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Task<IEnumerable<Card>> GetByBoardIdAsync(Guid boardId, CancellationToken cancellationToken = default);
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Task<IEnumerable<Card>> GetByColumnIdAsync(Guid columnId, CancellationToken cancellationToken = default);
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Task<IEnumerable<Card>> SearchAsync(Guid boardId, string? searchText, Guid? labelId, Guid? columnId, CancellationToken cancellationToken = default);
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Task<Card?> GetByIdWithLabelsAsync(Guid id, CancellationToken cancellationToken = default);
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}

‎backend/src/Taskdeck.Application/Interfaces/IColumnRepository.cs‎

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using Taskdeck.Domain.Entities;
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namespace Taskdeck.Application.Interfaces;
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public interface IColumnRepository : IRepository<Column>
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{
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Task<IEnumerable<Column>> GetByBoardIdAsync(Guid boardId, CancellationToken cancellationToken = default);
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Task<Column?> GetByIdWithCardsAsync(Guid id, CancellationToken cancellationToken = default);
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}

‎backend/src/Taskdeck.Application/Interfaces/ILabelRepository.cs‎

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using Taskdeck.Domain.Entities;
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namespace Taskdeck.Application.Interfaces;
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public interface ILabelRepository : IRepository<Label>
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{
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Task<IEnumerable<Label>> GetByBoardIdAsync(Guid boardId, CancellationToken cancellationToken = default);
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}

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