feat(backend): Create Sprint 2 backend Stories and Tasks
Created detailed implementation plans for Sprint 2 backend work: Story 1: Audit Log Foundation (Phase 1) - Task 1: Design AuditLog database schema and create migration - Task 2: Create AuditLog entity and Repository - Task 3: Implement EF Core SaveChangesInterceptor - Task 4: Write unit tests for audit logging - Task 5: Integrate with ProjectManagement Module Story 2: Audit Log Core Features (Phase 2) - Task 1: Implement Changed Fields Detection (JSON Diff) - Task 2: Integrate User Context Tracking - Task 3: Add Multi-Tenant Isolation - Task 4: Implement Audit Query API - Task 5: Write Integration Tests Story 3: Sprint Management Module - Task 1: Create Sprint Aggregate Root and Domain Events - Task 2: Implement Sprint Repository and EF Core Configuration - Task 3: Create CQRS Commands and Queries - Task 4: Implement Burndown Chart Calculation - Task 5: Add SignalR Real-Time Notifications - Task 6: Write Integration Tests Total: 3 Stories, 16 Tasks, 24 Story Points (8+8+8) Estimated Duration: 10-12 days All tasks include: - Detailed technical implementation guidance - Code examples and file paths - Testing requirements (>= 90% coverage) - Performance benchmarks (< 5ms audit overhead) - Multi-tenant security validation 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
Yaojia Wang
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docs/plans/sprint_2_story_2_task_4.md
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docs/plans/sprint_2_story_2_task_4.md
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---
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task_id: sprint_2_story_2_task_4
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story: sprint_2_story_2
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status: not_started
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estimated_hours: 5
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created_date: 2025-11-05
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assignee: Backend Team
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---
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# Task 4: Implement Audit Query API
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**Story**: Story 2 - Audit Log Core Features (Phase 2)
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**Estimated**: 5 hours
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## Description
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Create REST API endpoints to query audit logs with CQRS pattern. Support filtering by entity type, entity ID, date range, and user.
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## Acceptance Criteria
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- [ ] GetEntityAuditHistoryQuery implemented
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- [ ] GetAuditLogByIdQuery implemented
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- [ ] AuditLogsController with 2 endpoints created
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- [ ] Query handlers with proper filtering
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- [ ] Swagger documentation added
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- [ ] Integration tests for API endpoints
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## Implementation Details
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**Files to Create**:
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1. **Query DTOs**: `colaflow-api/src/ColaFlow.Application/AuditLog/Queries/GetEntityAuditHistory/GetEntityAuditHistoryQuery.cs`
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```csharp
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public record GetEntityAuditHistoryQuery : IRequest<List<AuditLogDto>>
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{
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public string EntityType { get; init; } = string.Empty;
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public Guid EntityId { get; init; }
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public DateTime? FromDate { get; init; }
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public DateTime? ToDate { get; init; }
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public Guid? UserId { get; init; }
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public int? Limit { get; init; } = 50; // Default limit
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}
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public class AuditLogDto
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{
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public Guid Id { get; set; }
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public string EntityType { get; set; } = string.Empty;
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public Guid EntityId { get; set; }
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public string Action { get; set; } = string.Empty;
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public Guid? UserId { get; set; }
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public string? UserName { get; set; }
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public DateTime Timestamp { get; set; }
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public Dictionary<string, FieldChangeDto>? ChangedFields { get; set; }
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}
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public class FieldChangeDto
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{
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public object? OldValue { get; set; }
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public object? NewValue { get; set; }
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}
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```
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2. **Query Handler**: `colaflow-api/src/ColaFlow.Application/AuditLog/Queries/GetEntityAuditHistory/GetEntityAuditHistoryQueryHandler.cs`
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```csharp
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public class GetEntityAuditHistoryQueryHandler : IRequestHandler<GetEntityAuditHistoryQuery, List<AuditLogDto>>
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{
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private readonly IAuditLogRepository _repository;
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private readonly IMapper _mapper;
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public GetEntityAuditHistoryQueryHandler(IAuditLogRepository repository, IMapper mapper)
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{
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_repository = repository;
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_mapper = mapper;
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}
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public async Task<List<AuditLogDto>> Handle(GetEntityAuditHistoryQuery request, CancellationToken cancellationToken)
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{
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var auditLogs = await _repository.GetByEntityAsync(request.EntityType, request.EntityId);
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// Apply filters
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var filtered = auditLogs.AsQueryable();
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if (request.FromDate.HasValue)
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filtered = filtered.Where(a => a.Timestamp >= request.FromDate.Value);
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if (request.ToDate.HasValue)
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filtered = filtered.Where(a => a.Timestamp <= request.ToDate.Value);
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if (request.UserId.HasValue)
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filtered = filtered.Where(a => a.UserId == request.UserId.Value);
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if (request.Limit.HasValue)
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filtered = filtered.Take(request.Limit.Value);
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var result = filtered.ToList();
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return _mapper.Map<List<AuditLogDto>>(result);
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}
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}
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```
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3. **Controller**: `colaflow-api/src/ColaFlow.API/Controllers/AuditLogsController.cs`
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```csharp
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[ApiController]
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[Route("api/[controller]")]
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[Authorize]
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public class AuditLogsController : ControllerBase
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{
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private readonly IMediator _mediator;
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public AuditLogsController(IMediator mediator)
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{
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_mediator = mediator;
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}
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/// <summary>
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/// Get audit history for a specific entity
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/// </summary>
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/// <param name="entityType">Entity type (e.g., "Project", "Epic", "Story")</param>
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/// <param name="entityId">Entity ID</param>
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/// <param name="fromDate">Optional start date filter</param>
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/// <param name="toDate">Optional end date filter</param>
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/// <param name="userId">Optional user filter</param>
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/// <param name="limit">Optional limit (default 50)</param>
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[HttpGet("entity/{entityType}/{entityId}")]
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[ProducesResponseType(typeof(List<AuditLogDto>), StatusCodes.Status200OK)]
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public async Task<IActionResult> GetEntityAuditHistory(
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[FromRoute] string entityType,
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[FromRoute] Guid entityId,
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[FromQuery] DateTime? fromDate = null,
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[FromQuery] DateTime? toDate = null,
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[FromQuery] Guid? userId = null,
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[FromQuery] int? limit = 50)
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{
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var query = new GetEntityAuditHistoryQuery
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{
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EntityType = entityType,
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EntityId = entityId,
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FromDate = fromDate,
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ToDate = toDate,
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UserId = userId,
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Limit = limit
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};
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var result = await _mediator.Send(query);
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return Ok(result);
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}
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/// <summary>
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/// Get a specific audit log by ID
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/// </summary>
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[HttpGet("{id}")]
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[ProducesResponseType(typeof(AuditLogDto), StatusCodes.Status200OK)]
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[ProducesResponseType(StatusCodes.Status404NotFound)]
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public async Task<IActionResult> GetAuditLogById([FromRoute] Guid id)
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{
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var query = new GetAuditLogByIdQuery { AuditLogId = id };
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var result = await _mediator.Send(query);
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if (result == null)
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return NotFound();
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return Ok(result);
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}
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}
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```
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4. **AutoMapper Profile**: `colaflow-api/src/ColaFlow.Application/AuditLog/MappingProfiles/AuditLogProfile.cs`
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```csharp
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public class AuditLogProfile : Profile
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{
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public AuditLogProfile()
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{
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CreateMap<AuditLog, AuditLogDto>()
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.ForMember(dest => dest.UserName, opt => opt.MapFrom(src => src.User != null ? src.User.UserName : null))
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.ForMember(dest => dest.ChangedFields, opt => opt.MapFrom(src => DeserializeChangedFields(src.NewValues)));
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}
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private Dictionary<string, FieldChangeDto>? DeserializeChangedFields(string? json)
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{
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if (string.IsNullOrEmpty(json)) return null;
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try
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{
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return JsonSerializer.Deserialize<Dictionary<string, FieldChangeDto>>(json);
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}
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catch
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{
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return null;
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}
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}
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}
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```
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**Example API Requests**:
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```bash
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# Get audit history for a project
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GET /api/auditlogs/entity/Project/abc-123?limit=20
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# Get audit logs for last 7 days
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GET /api/auditlogs/entity/Epic/def-456?fromDate=2025-10-29
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# Get audit logs by specific user
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GET /api/auditlogs/entity/Story/ghi-789?userId=user-123
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# Get specific audit log
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GET /api/auditlogs/abc-123
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```
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## Technical Notes
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- Use `AsNoTracking()` for read-only queries (performance)
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- Implement pagination for large result sets
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- Cache frequently accessed audit logs (Redis - future)
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- Add rate limiting to prevent abuse
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## Testing
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**Integration Tests**:
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```csharp
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[Fact]
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public async Task GetEntityAuditHistory_ShouldReturnAuditLogs()
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{
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// Arrange
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var projectId = await CreateTestProject();
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// Act
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var response = await Client.GetAsync($"/api/auditlogs/entity/Project/{projectId}");
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// Assert
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response.EnsureSuccessStatusCode();
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var logs = await response.Content.ReadFromJsonAsync<List<AuditLogDto>>();
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Assert.NotEmpty(logs);
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}
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[Fact]
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public async Task GetEntityAuditHistory_ShouldFilterByDateRange()
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{
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// Test date range filtering
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// ...
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}
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```
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---
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**Created**: 2025-11-05 by Backend Agent
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