diff --git a/.claude/settings.local.json b/.claude/settings.local.json
index 1b58eff..229797d 100644
--- a/.claude/settings.local.json
+++ b/.claude/settings.local.json
@@ -49,7 +49,10 @@
       "Bash(docker info:*)",
       "Bash(docker:*)",
       "Bash(docker-compose:*)",
-      "Bash(Start-Sleep -Seconds 30)"
+      "Bash(Start-Sleep -Seconds 30)",
+      "Bash(Select-String -Pattern \"error|Build succeeded\")",
+      "Bash(Select-String -Pattern \"error|warning|succeeded\")",
+      "Bash(Select-Object -Last 20)"
     ],
     "deny": [],
     "ask": []
diff --git a/PHASE5-TEST-SUMMARY.md b/PHASE5-TEST-SUMMARY.md
new file mode 100644
index 0000000..6ccdefa
--- /dev/null
+++ b/PHASE5-TEST-SUMMARY.md
@@ -0,0 +1,160 @@
+# Phase 5: Docker E2E Testing - Executive Summary
+
+## Status: 🟡 PARTIAL PASS with CRITICAL BLOCKERS
+
+**Date:** 2025-11-04
+**Full Report:** [DOCKER-E2E-TEST-REPORT.md](./DOCKER-E2E-TEST-REPORT.md)
+
+---
+
+## Quick Status
+
+| Metric | Result |
+|--------|--------|
+| Tests Executed | 7 of 10 (70%) |
+| Tests Passed | 4 of 7 (57%) |
+| Infrastructure | ✅ Functional |
+| Application | ❌ Blocked |
+| Critical Bugs | 4 P0 issues |
+| Time to Fix | ~5 hours |
+
+---
+
+## Critical Issues (P0)
+
+### 🔴 BUG-001: Database Migrations Not Running
+- **Impact:** Schema never created, application unusable
+- **Root Cause:** No auto-migration code in Program.cs
+- **Fix Time:** 2 hours
+- **Fix:** Add migration execution to backend startup
+
+### 🔴 BUG-002: Demo Data Seeding Fails
+- **Impact:** No users, cannot test authentication
+- **Root Cause:** Depends on BUG-001 (tables don't exist)
+- **Fix Time:** N/A (fixed by BUG-001)
+
+### 🔴 BUG-003: Placeholder Password Hash
+- **Impact:** Login will fail even after migrations run
+- **Root Cause:** Seed script has dummy BCrypt hash
+- **Fix Time:** 30 minutes
+- **Fix:** Generate real hash for `Demo@123456`
+
+### 🔴 BUG-004: Missing Frontend Health Endpoint
+- **Impact:** Container shows "unhealthy" (cosmetic)
+- **Root Cause:** `/api/health` route not implemented
+- **Fix Time:** 15 minutes
+- **Fix:** Create `app/api/health/route.ts`
+
+---
+
+## What Works ✅
+
+1. Docker Compose orchestration
+2. PostgreSQL + Redis containers
+3. Backend API endpoints
+4. Swagger documentation
+5. Frontend Next.js app
+6. Service networking
+7. Startup performance (60s)
+
+---
+
+## What's Broken ❌
+
+1. Database schema (not created)
+2. Demo users (don't exist)
+3. Authentication (impossible)
+4. Frontend health check (404)
+5. PowerShell script (parse error)
+
+---
+
+## Quick Fixes
+
+### Fix 1: Auto-Migrations (CRITICAL)
+
+**File:** `colaflow-api/src/ColaFlow.API/Program.cs`
+
+**Add after line 162:**
+
+```csharp
+// Auto-apply migrations in Development
+if (app.Environment.IsDevelopment())
+{
+    using var scope = app.Services.CreateScope();
+    var identityDb = scope.ServiceProvider.GetRequiredService<IdentityDbContext>();
+    var projectDb = scope.ServiceProvider.GetRequiredService<ProjectManagementDbContext>();
+    var issueDb = scope.ServiceProvider.GetRequiredService<IssueManagementDbContext>();
+
+    await identityDb.Database.MigrateAsync();
+    await projectDb.Database.MigrateAsync();
+    await issueDb.Database.MigrateAsync();
+}
+```
+
+### Fix 2: Password Hash (CRITICAL)
+
+Generate BCrypt hash and update `scripts/seed-data.sql` lines 74, 98.
+
+### Fix 3: Frontend Health Check
+
+**Create:** `colaflow-web/app/api/health/route.ts`
+
+```typescript
+import { NextResponse } from 'next/server';
+
+export async function GET() {
+  return NextResponse.json({ status: 'healthy' }, { status: 200 });
+}
+```
+
+---
+
+## Recommendation
+
+**Status:** 🔴 DO NOT RELEASE to frontend developers yet
+
+**Required Actions:**
+1. Fix automatic migrations (2h)
+2. Fix password hashing (30m)
+3. Add health endpoint (15m)
+4. Update docs (1h)
+5. Re-test (1h)
+
+**Total Time:** ~5 hours
+
+**Alternative:** Document known issues and proceed with manual migration workaround for Sprint 1.
+
+---
+
+## Test Results
+
+| Test | Status | Notes |
+|------|--------|-------|
+| Clean startup | ✅ 🟡 | Containers up, app not initialized |
+| API access | ✅ | All endpoints accessible |
+| Demo data | ❌ | Blocked by missing schema |
+| User login | ❌ | Blocked by missing users |
+| Hot reload | ⏭️ | Skipped (app not functional) |
+| Script params | ❌ | PowerShell parse error |
+| Error handling | ⏭️ | Partially tested |
+| Performance | ✅ | 60s startup (good) |
+| Documentation | 🟡 | Mostly accurate, some gaps |
+| Cross-platform | ⏭️ | Not tested (no Linux/Mac) |
+
+---
+
+## Next Steps
+
+1. **Backend Team:** Implement auto-migrations (highest priority)
+2. **Backend Team:** Fix password hash in seed script
+3. **Frontend Team:** Add health check endpoint
+4. **PM/QA:** Update documentation
+5. **QA:** Re-run full test suite after fixes
+
+**ETA to Production-Ready:** 1 developer day
+
+---
+
+**Report By:** QA Agent
+**Full Report:** [DOCKER-E2E-TEST-REPORT.md](./DOCKER-E2E-TEST-REPORT.md)
diff --git a/colaflow-api/src/ColaFlow.API/Controllers/SprintsController.cs b/colaflow-api/src/ColaFlow.API/Controllers/SprintsController.cs
new file mode 100644
index 0000000..dab400f
--- /dev/null
+++ b/colaflow-api/src/ColaFlow.API/Controllers/SprintsController.cs
@@ -0,0 +1,137 @@
+using MediatR;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using ColaFlow.Modules.ProjectManagement.Application.Commands.CreateSprint;
+using ColaFlow.Modules.ProjectManagement.Application.Commands.UpdateSprint;
+using ColaFlow.Modules.ProjectManagement.Application.Commands.DeleteSprint;
+using ColaFlow.Modules.ProjectManagement.Application.Commands.StartSprint;
+using ColaFlow.Modules.ProjectManagement.Application.Commands.CompleteSprint;
+using ColaFlow.Modules.ProjectManagement.Application.Commands.AddTaskToSprint;
+using ColaFlow.Modules.ProjectManagement.Application.Commands.RemoveTaskFromSprint;
+using ColaFlow.Modules.ProjectManagement.Application.Queries.GetSprintById;
+using ColaFlow.Modules.ProjectManagement.Application.Queries.GetSprintsByProjectId;
+using ColaFlow.Modules.ProjectManagement.Application.Queries.GetActiveSprints;
+using ColaFlow.Modules.ProjectManagement.Application.DTOs;
+
+namespace ColaFlow.API.Controllers;
+
+/// <summary>
+/// Sprint management endpoints
+/// </summary>
+[ApiController]
+[Route("api/v1/sprints")]
+[Authorize]
+public class SprintsController : ControllerBase
+{
+    private readonly IMediator _mediator;
+
+    public SprintsController(IMediator mediator)
+    {
+        _mediator = mediator;
+    }
+
+    /// <summary>
+    /// Create a new sprint
+    /// </summary>
+    [HttpPost]
+    public async Task<ActionResult<SprintDto>> Create([FromBody] CreateSprintCommand command)
+    {
+        var result = await _mediator.Send(command);
+        return CreatedAtAction(nameof(GetById), new { id = result.Id }, result);
+    }
+
+    /// <summary>
+    /// Update an existing sprint
+    /// </summary>
+    [HttpPut("{id}")]
+    public async Task<IActionResult> Update(Guid id, [FromBody] UpdateSprintCommand command)
+    {
+        if (id != command.SprintId)
+            return BadRequest("Sprint ID mismatch");
+
+        await _mediator.Send(command);
+        return NoContent();
+    }
+
+    /// <summary>
+    /// Delete a sprint
+    /// </summary>
+    [HttpDelete("{id}")]
+    public async Task<IActionResult> Delete(Guid id)
+    {
+        await _mediator.Send(new DeleteSprintCommand(id));
+        return NoContent();
+    }
+
+    /// <summary>
+    /// Get sprint by ID
+    /// </summary>
+    [HttpGet("{id}")]
+    public async Task<ActionResult<SprintDto>> GetById(Guid id)
+    {
+        var result = await _mediator.Send(new GetSprintByIdQuery(id));
+        if (result == null)
+            return NotFound();
+        return Ok(result);
+    }
+
+    /// <summary>
+    /// Get all sprints for a project
+    /// </summary>
+    [HttpGet]
+    public async Task<ActionResult<IReadOnlyList<SprintDto>>> GetByProject([FromQuery] Guid projectId)
+    {
+        var result = await _mediator.Send(new GetSprintsByProjectIdQuery(projectId));
+        return Ok(result);
+    }
+
+    /// <summary>
+    /// Get all active sprints
+    /// </summary>
+    [HttpGet("active")]
+    public async Task<ActionResult<IReadOnlyList<SprintDto>>> GetActive()
+    {
+        var result = await _mediator.Send(new GetActiveSprintsQuery());
+        return Ok(result);
+    }
+
+    /// <summary>
+    /// Start a sprint (Planned to Active)
+    /// </summary>
+    [HttpPost("{id}/start")]
+    public async Task<IActionResult> Start(Guid id)
+    {
+        await _mediator.Send(new StartSprintCommand(id));
+        return NoContent();
+    }
+
+    /// <summary>
+    /// Complete a sprint (Active to Completed)
+    /// </summary>
+    [HttpPost("{id}/complete")]
+    public async Task<IActionResult> Complete(Guid id)
+    {
+        await _mediator.Send(new CompleteSprintCommand(id));
+        return NoContent();
+    }
+
+    /// <summary>
+    /// Add a task to a sprint
+    /// </summary>
+    [HttpPost("{id}/tasks/{taskId}")]
+    public async Task<IActionResult> AddTask(Guid id, Guid taskId)
+    {
+        await _mediator.Send(new AddTaskToSprintCommand(id, taskId));
+        return NoContent();
+    }
+
+    /// <summary>
+    /// Remove a task from a sprint
+    /// </summary>
+    [HttpDelete("{id}/tasks/{taskId}")]
+    public async Task<IActionResult> RemoveTask(Guid id, Guid taskId)
+    {
+        await _mediator.Send(new RemoveTaskFromSprintCommand(id, taskId));
+        return NoContent();
+    }
+}
diff --git a/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/ColaFlow.Modules.ProjectManagement.Application.csproj b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/ColaFlow.Modules.ProjectManagement.Application.csproj
index dd69e17..fac8a86 100644
--- a/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/ColaFlow.Modules.ProjectManagement.Application.csproj
+++ b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/ColaFlow.Modules.ProjectManagement.Application.csproj
@@ -10,6 +10,7 @@
     <PackageReference Include="MediatR" Version="13.1.0" />
     <PackageReference Include="FluentValidation" Version="11.10.0" />
     <PackageReference Include="FluentValidation.DependencyInjectionExtensions" Version="11.10.0" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="9.0.1" />
   </ItemGroup>
 
   <PropertyGroup>
diff --git a/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/AddTaskToSprint/AddTaskToSprintCommand.cs b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/AddTaskToSprint/AddTaskToSprintCommand.cs
new file mode 100644
index 0000000..4933572
--- /dev/null
+++ b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/AddTaskToSprint/AddTaskToSprintCommand.cs
@@ -0,0 +1,8 @@
+using MediatR;
+
+namespace ColaFlow.Modules.ProjectManagement.Application.Commands.AddTaskToSprint;
+
+/// <summary>
+/// Command to add a task to a sprint
+/// </summary>
+public sealed record AddTaskToSprintCommand(Guid SprintId, Guid TaskId) : IRequest<Unit>;
diff --git a/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/AddTaskToSprint/AddTaskToSprintCommandHandler.cs b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/AddTaskToSprint/AddTaskToSprintCommandHandler.cs
new file mode 100644
index 0000000..8768a26
--- /dev/null
+++ b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/AddTaskToSprint/AddTaskToSprintCommandHandler.cs
@@ -0,0 +1,47 @@
+using MediatR;
+using Microsoft.EntityFrameworkCore;
+using ColaFlow.Modules.ProjectManagement.Application.Common.Interfaces;
+using ColaFlow.Modules.ProjectManagement.Domain.Repositories;
+using ColaFlow.Modules.ProjectManagement.Domain.ValueObjects;
+using ColaFlow.Modules.ProjectManagement.Domain.Exceptions;
+
+namespace ColaFlow.Modules.ProjectManagement.Application.Commands.AddTaskToSprint;
+
+/// <summary>
+/// Handler for AddTaskToSprintCommand
+/// </summary>
+public sealed class AddTaskToSprintCommandHandler(
+    IApplicationDbContext context,
+    IUnitOfWork unitOfWork)
+    : IRequestHandler<AddTaskToSprintCommand, Unit>
+{
+    private readonly IApplicationDbContext _context = context ?? throw new ArgumentNullException(nameof(context));
+    private readonly IUnitOfWork _unitOfWork = unitOfWork ?? throw new ArgumentNullException(nameof(unitOfWork));
+
+    public async Task<Unit> Handle(AddTaskToSprintCommand request, CancellationToken cancellationToken)
+    {
+        // Get sprint with tracking
+        var sprintId = SprintId.From(request.SprintId);
+        var sprint = await _context.Sprints
+            .FirstOrDefaultAsync(s => s.Id == sprintId, cancellationToken);
+
+        if (sprint == null)
+            throw new NotFoundException("Sprint", request.SprintId);
+
+        // Verify task exists
+        var taskId = TaskId.From(request.TaskId);
+        var taskExists = await _context.Tasks
+            .AnyAsync(t => t.Id == taskId, cancellationToken);
+
+        if (!taskExists)
+            throw new NotFoundException("Task", request.TaskId);
+
+        // Add task to sprint
+        sprint.AddTask(taskId);
+
+        // Save changes
+        await _unitOfWork.SaveChangesAsync(cancellationToken);
+
+        return Unit.Value;
+    }
+}
diff --git a/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/CompleteSprint/CompleteSprintCommand.cs b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/CompleteSprint/CompleteSprintCommand.cs
new file mode 100644
index 0000000..cbe57fb
--- /dev/null
+++ b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/CompleteSprint/CompleteSprintCommand.cs
@@ -0,0 +1,8 @@
+using MediatR;
+
+namespace ColaFlow.Modules.ProjectManagement.Application.Commands.CompleteSprint;
+
+/// <summary>
+/// Command to complete a Sprint (Active → Completed)
+/// </summary>
+public sealed record CompleteSprintCommand(Guid SprintId) : IRequest<Unit>;
diff --git a/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/CompleteSprint/CompleteSprintCommandHandler.cs b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/CompleteSprint/CompleteSprintCommandHandler.cs
new file mode 100644
index 0000000..8d49853
--- /dev/null
+++ b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/CompleteSprint/CompleteSprintCommandHandler.cs
@@ -0,0 +1,39 @@
+using MediatR;
+using Microsoft.EntityFrameworkCore;
+using ColaFlow.Modules.ProjectManagement.Application.Common.Interfaces;
+using ColaFlow.Modules.ProjectManagement.Domain.Repositories;
+using ColaFlow.Modules.ProjectManagement.Domain.ValueObjects;
+using ColaFlow.Modules.ProjectManagement.Domain.Exceptions;
+
+namespace ColaFlow.Modules.ProjectManagement.Application.Commands.CompleteSprint;
+
+/// <summary>
+/// Handler for CompleteSprintCommand
+/// </summary>
+public sealed class CompleteSprintCommandHandler(
+    IApplicationDbContext context,
+    IUnitOfWork unitOfWork)
+    : IRequestHandler<CompleteSprintCommand, Unit>
+{
+    private readonly IApplicationDbContext _context = context ?? throw new ArgumentNullException(nameof(context));
+    private readonly IUnitOfWork _unitOfWork = unitOfWork ?? throw new ArgumentNullException(nameof(unitOfWork));
+
+    public async Task<Unit> Handle(CompleteSprintCommand request, CancellationToken cancellationToken)
+    {
+        // Get sprint with tracking
+        var sprintId = SprintId.From(request.SprintId);
+        var sprint = await _context.Sprints
+            .FirstOrDefaultAsync(s => s.Id == sprintId, cancellationToken);
+
+        if (sprint == null)
+            throw new NotFoundException("Sprint", request.SprintId);
+
+        // Complete sprint (business rules enforced in domain)
+        sprint.Complete();
+
+        // Save changes
+        await _unitOfWork.SaveChangesAsync(cancellationToken);
+
+        return Unit.Value;
+    }
+}
diff --git a/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/CreateSprint/CreateSprintCommand.cs b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/CreateSprint/CreateSprintCommand.cs
new file mode 100644
index 0000000..41af891
--- /dev/null
+++ b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/CreateSprint/CreateSprintCommand.cs
@@ -0,0 +1,17 @@
+using MediatR;
+using ColaFlow.Modules.ProjectManagement.Application.DTOs;
+
+namespace ColaFlow.Modules.ProjectManagement.Application.Commands.CreateSprint;
+
+/// <summary>
+/// Command to create a new Sprint
+/// </summary>
+public sealed record CreateSprintCommand : IRequest<SprintDto>
+{
+    public Guid ProjectId { get; init; }
+    public string Name { get; init; } = string.Empty;
+    public string? Goal { get; init; }
+    public DateTime StartDate { get; init; }
+    public DateTime EndDate { get; init; }
+    public Guid CreatedBy { get; init; }
+}
diff --git a/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/CreateSprint/CreateSprintCommandHandler.cs b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/CreateSprint/CreateSprintCommandHandler.cs
new file mode 100644
index 0000000..a4446c4
--- /dev/null
+++ b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/CreateSprint/CreateSprintCommandHandler.cs
@@ -0,0 +1,76 @@
+using MediatR;
+using ColaFlow.Modules.ProjectManagement.Application.DTOs;
+using ColaFlow.Modules.ProjectManagement.Application.Common.Interfaces;
+using ColaFlow.Modules.ProjectManagement.Domain.Repositories;
+using ColaFlow.Modules.ProjectManagement.Domain.ValueObjects;
+using ColaFlow.Modules.ProjectManagement.Domain.Exceptions;
+using ColaFlow.Modules.ProjectManagement.Domain.Aggregates.ProjectAggregate;
+using ColaFlow.Modules.ProjectManagement.Domain.Events;
+
+namespace ColaFlow.Modules.ProjectManagement.Application.Commands.CreateSprint;
+
+/// <summary>
+/// Handler for CreateSprintCommand
+/// </summary>
+public sealed class CreateSprintCommandHandler(
+    IProjectRepository projectRepository,
+    IApplicationDbContext context,
+    IUnitOfWork unitOfWork,
+    IMediator mediator)
+    : IRequestHandler<CreateSprintCommand, SprintDto>
+{
+    private readonly IProjectRepository _projectRepository = projectRepository ?? throw new ArgumentNullException(nameof(projectRepository));
+    private readonly IApplicationDbContext _context = context ?? throw new ArgumentNullException(nameof(context));
+    private readonly IUnitOfWork _unitOfWork = unitOfWork ?? throw new ArgumentNullException(nameof(unitOfWork));
+    private readonly IMediator _mediator = mediator ?? throw new ArgumentNullException(nameof(mediator));
+
+    public async Task<SprintDto> Handle(CreateSprintCommand request, CancellationToken cancellationToken)
+    {
+        // Verify project exists (Global Query Filter ensures tenant isolation)
+        var projectId = ProjectId.From(request.ProjectId);
+        var project = await _projectRepository.GetByIdAsync(projectId, cancellationToken);
+
+        if (project == null)
+            throw new NotFoundException("Project", request.ProjectId);
+
+        // Create sprint
+        var createdById = UserId.From(request.CreatedBy);
+        var sprint = Sprint.Create(
+            project.TenantId,
+            projectId,
+            request.Name,
+            request.Goal,
+            request.StartDate,
+            request.EndDate,
+            createdById
+        );
+
+        // Add to context
+        await _context.Sprints.AddAsync(sprint, cancellationToken);
+        await _unitOfWork.SaveChangesAsync(cancellationToken);
+
+        // Publish domain event
+        await _mediator.Publish(new SprintCreatedEvent(sprint.Id.Value, sprint.Name, projectId.Value), cancellationToken);
+
+        // Map to DTO
+        return new SprintDto
+        {
+            Id = sprint.Id.Value,
+            ProjectId = sprint.ProjectId.Value,
+            ProjectName = project.Name,
+            Name = sprint.Name,
+            Goal = sprint.Goal,
+            StartDate = sprint.StartDate,
+            EndDate = sprint.EndDate,
+            Status = sprint.Status.Name,
+            TotalTasks = 0,
+            CompletedTasks = 0,
+            TotalStoryPoints = 0,
+            RemainingStoryPoints = 0,
+            TaskIds = new List<Guid>(),
+            CreatedAt = sprint.CreatedAt,
+            CreatedBy = sprint.CreatedBy.Value,
+            UpdatedAt = sprint.UpdatedAt
+        };
+    }
+}
diff --git a/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/CreateSprint/CreateSprintCommandValidator.cs b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/CreateSprint/CreateSprintCommandValidator.cs
new file mode 100644
index 0000000..5a38ccb
--- /dev/null
+++ b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/CreateSprint/CreateSprintCommandValidator.cs
@@ -0,0 +1,38 @@
+using FluentValidation;
+
+namespace ColaFlow.Modules.ProjectManagement.Application.Commands.CreateSprint;
+
+/// <summary>
+/// Validator for CreateSprintCommand
+/// </summary>
+public sealed class CreateSprintCommandValidator : AbstractValidator<CreateSprintCommand>
+{
+    public CreateSprintCommandValidator()
+    {
+        RuleFor(x => x.ProjectId)
+            .NotEmpty().WithMessage("ProjectId is required");
+
+        RuleFor(x => x.Name)
+            .NotEmpty().WithMessage("Name is required")
+            .MaximumLength(200).WithMessage("Name must not exceed 200 characters");
+
+        RuleFor(x => x.Goal)
+            .MaximumLength(1000).WithMessage("Goal must not exceed 1000 characters");
+
+        RuleFor(x => x.StartDate)
+            .NotEmpty().WithMessage("StartDate is required");
+
+        RuleFor(x => x.EndDate)
+            .NotEmpty().WithMessage("EndDate is required")
+            .GreaterThan(x => x.StartDate).WithMessage("EndDate must be after StartDate");
+
+        RuleFor(x => x)
+            .Must(x => (x.EndDate - x.StartDate).TotalDays >= 1)
+            .WithMessage("Sprint duration must be at least 1 day")
+            .Must(x => (x.EndDate - x.StartDate).TotalDays <= 30)
+            .WithMessage("Sprint duration cannot exceed 30 days");
+
+        RuleFor(x => x.CreatedBy)
+            .NotEmpty().WithMessage("CreatedBy is required");
+    }
+}
diff --git a/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/DeleteSprint/DeleteSprintCommand.cs b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/DeleteSprint/DeleteSprintCommand.cs
new file mode 100644
index 0000000..f88a12f
--- /dev/null
+++ b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/DeleteSprint/DeleteSprintCommand.cs
@@ -0,0 +1,8 @@
+using MediatR;
+
+namespace ColaFlow.Modules.ProjectManagement.Application.Commands.DeleteSprint;
+
+/// <summary>
+/// Command to delete a Sprint
+/// </summary>
+public sealed record DeleteSprintCommand(Guid SprintId) : IRequest<Unit>;
diff --git a/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/DeleteSprint/DeleteSprintCommandHandler.cs b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/DeleteSprint/DeleteSprintCommandHandler.cs
new file mode 100644
index 0000000..0fb2799
--- /dev/null
+++ b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/DeleteSprint/DeleteSprintCommandHandler.cs
@@ -0,0 +1,44 @@
+using MediatR;
+using Microsoft.EntityFrameworkCore;
+using ColaFlow.Modules.ProjectManagement.Application.Common.Interfaces;
+using ColaFlow.Modules.ProjectManagement.Domain.Repositories;
+using ColaFlow.Modules.ProjectManagement.Domain.ValueObjects;
+using ColaFlow.Modules.ProjectManagement.Domain.Exceptions;
+using ColaFlow.Modules.ProjectManagement.Domain.Enums;
+
+namespace ColaFlow.Modules.ProjectManagement.Application.Commands.DeleteSprint;
+
+/// <summary>
+/// Handler for DeleteSprintCommand
+/// </summary>
+public sealed class DeleteSprintCommandHandler(
+    IApplicationDbContext context,
+    IUnitOfWork unitOfWork)
+    : IRequestHandler<DeleteSprintCommand, Unit>
+{
+    private readonly IApplicationDbContext _context = context ?? throw new ArgumentNullException(nameof(context));
+    private readonly IUnitOfWork _unitOfWork = unitOfWork ?? throw new ArgumentNullException(nameof(unitOfWork));
+
+    public async Task<Unit> Handle(DeleteSprintCommand request, CancellationToken cancellationToken)
+    {
+        // Get sprint with tracking
+        var sprintId = SprintId.From(request.SprintId);
+        var sprint = await _context.Sprints
+            .FirstOrDefaultAsync(s => s.Id == sprintId, cancellationToken);
+
+        if (sprint == null)
+            throw new NotFoundException("Sprint", request.SprintId);
+
+        // Business rule: Cannot delete Active sprints
+        if (sprint.Status.Name == SprintStatus.Active.Name)
+            throw new DomainException("Cannot delete an active sprint. Please complete it first.");
+
+        // Remove sprint
+        _context.Sprints.Remove(sprint);
+
+        // Save changes
+        await _unitOfWork.SaveChangesAsync(cancellationToken);
+
+        return Unit.Value;
+    }
+}
diff --git a/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/RemoveTaskFromSprint/RemoveTaskFromSprintCommand.cs b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/RemoveTaskFromSprint/RemoveTaskFromSprintCommand.cs
new file mode 100644
index 0000000..727d86e
--- /dev/null
+++ b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/RemoveTaskFromSprint/RemoveTaskFromSprintCommand.cs
@@ -0,0 +1,8 @@
+using MediatR;
+
+namespace ColaFlow.Modules.ProjectManagement.Application.Commands.RemoveTaskFromSprint;
+
+/// <summary>
+/// Command to remove a task from a sprint
+/// </summary>
+public sealed record RemoveTaskFromSprintCommand(Guid SprintId, Guid TaskId) : IRequest<Unit>;
diff --git a/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/RemoveTaskFromSprint/RemoveTaskFromSprintCommandHandler.cs b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/RemoveTaskFromSprint/RemoveTaskFromSprintCommandHandler.cs
new file mode 100644
index 0000000..33bf872
--- /dev/null
+++ b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/RemoveTaskFromSprint/RemoveTaskFromSprintCommandHandler.cs
@@ -0,0 +1,40 @@
+using MediatR;
+using Microsoft.EntityFrameworkCore;
+using ColaFlow.Modules.ProjectManagement.Application.Common.Interfaces;
+using ColaFlow.Modules.ProjectManagement.Domain.Repositories;
+using ColaFlow.Modules.ProjectManagement.Domain.ValueObjects;
+using ColaFlow.Modules.ProjectManagement.Domain.Exceptions;
+
+namespace ColaFlow.Modules.ProjectManagement.Application.Commands.RemoveTaskFromSprint;
+
+/// <summary>
+/// Handler for RemoveTaskFromSprintCommand
+/// </summary>
+public sealed class RemoveTaskFromSprintCommandHandler(
+    IApplicationDbContext context,
+    IUnitOfWork unitOfWork)
+    : IRequestHandler<RemoveTaskFromSprintCommand, Unit>
+{
+    private readonly IApplicationDbContext _context = context ?? throw new ArgumentNullException(nameof(context));
+    private readonly IUnitOfWork _unitOfWork = unitOfWork ?? throw new ArgumentNullException(nameof(unitOfWork));
+
+    public async Task<Unit> Handle(RemoveTaskFromSprintCommand request, CancellationToken cancellationToken)
+    {
+        // Get sprint with tracking
+        var sprintId = SprintId.From(request.SprintId);
+        var sprint = await _context.Sprints
+            .FirstOrDefaultAsync(s => s.Id == sprintId, cancellationToken);
+
+        if (sprint == null)
+            throw new NotFoundException("Sprint", request.SprintId);
+
+        // Remove task from sprint
+        var taskId = TaskId.From(request.TaskId);
+        sprint.RemoveTask(taskId);
+
+        // Save changes
+        await _unitOfWork.SaveChangesAsync(cancellationToken);
+
+        return Unit.Value;
+    }
+}
diff --git a/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/StartSprint/StartSprintCommand.cs b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/StartSprint/StartSprintCommand.cs
new file mode 100644
index 0000000..328162f
--- /dev/null
+++ b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/StartSprint/StartSprintCommand.cs
@@ -0,0 +1,8 @@
+using MediatR;
+
+namespace ColaFlow.Modules.ProjectManagement.Application.Commands.StartSprint;
+
+/// <summary>
+/// Command to start a Sprint (Planned → Active)
+/// </summary>
+public sealed record StartSprintCommand(Guid SprintId) : IRequest<Unit>;
diff --git a/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/StartSprint/StartSprintCommandHandler.cs b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/StartSprint/StartSprintCommandHandler.cs
new file mode 100644
index 0000000..6158e73
--- /dev/null
+++ b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/StartSprint/StartSprintCommandHandler.cs
@@ -0,0 +1,39 @@
+using MediatR;
+using Microsoft.EntityFrameworkCore;
+using ColaFlow.Modules.ProjectManagement.Application.Common.Interfaces;
+using ColaFlow.Modules.ProjectManagement.Domain.Repositories;
+using ColaFlow.Modules.ProjectManagement.Domain.ValueObjects;
+using ColaFlow.Modules.ProjectManagement.Domain.Exceptions;
+
+namespace ColaFlow.Modules.ProjectManagement.Application.Commands.StartSprint;
+
+/// <summary>
+/// Handler for StartSprintCommand
+/// </summary>
+public sealed class StartSprintCommandHandler(
+    IApplicationDbContext context,
+    IUnitOfWork unitOfWork)
+    : IRequestHandler<StartSprintCommand, Unit>
+{
+    private readonly IApplicationDbContext _context = context ?? throw new ArgumentNullException(nameof(context));
+    private readonly IUnitOfWork _unitOfWork = unitOfWork ?? throw new ArgumentNullException(nameof(unitOfWork));
+
+    public async Task<Unit> Handle(StartSprintCommand request, CancellationToken cancellationToken)
+    {
+        // Get sprint with tracking
+        var sprintId = SprintId.From(request.SprintId);
+        var sprint = await _context.Sprints
+            .FirstOrDefaultAsync(s => s.Id == sprintId, cancellationToken);
+
+        if (sprint == null)
+            throw new NotFoundException("Sprint", request.SprintId);
+
+        // Start sprint (business rules enforced in domain)
+        sprint.Start();
+
+        // Save changes
+        await _unitOfWork.SaveChangesAsync(cancellationToken);
+
+        return Unit.Value;
+    }
+}
diff --git a/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/UpdateSprint/UpdateSprintCommand.cs b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/UpdateSprint/UpdateSprintCommand.cs
new file mode 100644
index 0000000..4a3a49f
--- /dev/null
+++ b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/UpdateSprint/UpdateSprintCommand.cs
@@ -0,0 +1,15 @@
+using MediatR;
+
+namespace ColaFlow.Modules.ProjectManagement.Application.Commands.UpdateSprint;
+
+/// <summary>
+/// Command to update an existing Sprint
+/// </summary>
+public sealed record UpdateSprintCommand : IRequest<Unit>
+{
+    public Guid SprintId { get; init; }
+    public string Name { get; init; } = string.Empty;
+    public string? Goal { get; init; }
+    public DateTime StartDate { get; init; }
+    public DateTime EndDate { get; init; }
+}
diff --git a/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/UpdateSprint/UpdateSprintCommandHandler.cs b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/UpdateSprint/UpdateSprintCommandHandler.cs
new file mode 100644
index 0000000..a5bf17a
--- /dev/null
+++ b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/UpdateSprint/UpdateSprintCommandHandler.cs
@@ -0,0 +1,44 @@
+using MediatR;
+using Microsoft.EntityFrameworkCore;
+using ColaFlow.Modules.ProjectManagement.Application.Common.Interfaces;
+using ColaFlow.Modules.ProjectManagement.Domain.Repositories;
+using ColaFlow.Modules.ProjectManagement.Domain.ValueObjects;
+using ColaFlow.Modules.ProjectManagement.Domain.Exceptions;
+
+namespace ColaFlow.Modules.ProjectManagement.Application.Commands.UpdateSprint;
+
+/// <summary>
+/// Handler for UpdateSprintCommand
+/// </summary>
+public sealed class UpdateSprintCommandHandler(
+    IApplicationDbContext context,
+    IUnitOfWork unitOfWork)
+    : IRequestHandler<UpdateSprintCommand, Unit>
+{
+    private readonly IApplicationDbContext _context = context ?? throw new ArgumentNullException(nameof(context));
+    private readonly IUnitOfWork _unitOfWork = unitOfWork ?? throw new ArgumentNullException(nameof(unitOfWork));
+
+    public async Task<Unit> Handle(UpdateSprintCommand request, CancellationToken cancellationToken)
+    {
+        // Get sprint with tracking
+        var sprintId = SprintId.From(request.SprintId);
+        var sprint = await _context.Sprints
+            .FirstOrDefaultAsync(s => s.Id == sprintId, cancellationToken);
+
+        if (sprint == null)
+            throw new NotFoundException("Sprint", request.SprintId);
+
+        // Update sprint details
+        sprint.UpdateDetails(
+            request.Name,
+            request.Goal,
+            request.StartDate,
+            request.EndDate
+        );
+
+        // Save changes
+        await _unitOfWork.SaveChangesAsync(cancellationToken);
+
+        return Unit.Value;
+    }
+}
diff --git a/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/UpdateSprint/UpdateSprintCommandValidator.cs b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/UpdateSprint/UpdateSprintCommandValidator.cs
new file mode 100644
index 0000000..3238955
--- /dev/null
+++ b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/UpdateSprint/UpdateSprintCommandValidator.cs
@@ -0,0 +1,38 @@
+using FluentValidation;
+
+namespace ColaFlow.Modules.ProjectManagement.Application.Commands.UpdateSprint;
+
+/// <summary>
+/// Validator for UpdateSprintCommand
+/// </summary>
+public sealed class UpdateSprintCommandValidator : AbstractValidator<UpdateSprintCommand>
+{
+    public UpdateSprintCommandValidator()
+    {
+        RuleFor(x => x.SprintId)
+            .NotEmpty()
+            .WithMessage("Sprint ID is required");
+
+        RuleFor(x => x.Name)
+            .NotEmpty()
+            .WithMessage("Sprint name is required")
+            .MaximumLength(200)
+            .WithMessage("Sprint name cannot exceed 200 characters");
+
+        RuleFor(x => x.StartDate)
+            .NotEmpty()
+            .WithMessage("Start date is required");
+
+        RuleFor(x => x.EndDate)
+            .NotEmpty()
+            .WithMessage("End date is required")
+            .GreaterThan(x => x.StartDate)
+            .WithMessage("End date must be after start date");
+
+        RuleFor(x => x)
+            .Must(x => (x.EndDate - x.StartDate).Days <= 30)
+            .WithMessage("Sprint duration cannot exceed 30 days")
+            .Must(x => (x.EndDate - x.StartDate).Days >= 1)
+            .WithMessage("Sprint duration must be at least 1 day");
+    }
+}
diff --git a/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Common/Interfaces/IApplicationDbContext.cs b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Common/Interfaces/IApplicationDbContext.cs
new file mode 100644
index 0000000..976aba9
--- /dev/null
+++ b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Common/Interfaces/IApplicationDbContext.cs
@@ -0,0 +1,20 @@
+using Microsoft.EntityFrameworkCore;
+using ColaFlow.Modules.ProjectManagement.Domain.Aggregates.ProjectAggregate;
+using ColaFlow.Modules.ProjectManagement.Domain.Entities;
+
+namespace ColaFlow.Modules.ProjectManagement.Application.Common.Interfaces;
+
+/// <summary>
+/// Application database context interface for direct access to DbSets
+/// </summary>
+public interface IApplicationDbContext
+{
+    DbSet<Project> Projects { get; }
+    DbSet<Epic> Epics { get; }
+    DbSet<Story> Stories { get; }
+    DbSet<WorkTask> Tasks { get; }
+    DbSet<Sprint> Sprints { get; }
+    DbSet<AuditLog> AuditLogs { get; }
+
+    Task<int> SaveChangesAsync(CancellationToken cancellationToken = default);
+}
diff --git a/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/DTOs/SprintDto.cs b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/DTOs/SprintDto.cs
new file mode 100644
index 0000000..adbaa9f
--- /dev/null
+++ b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/DTOs/SprintDto.cs
@@ -0,0 +1,24 @@
+namespace ColaFlow.Modules.ProjectManagement.Application.DTOs;
+
+/// <summary>
+/// Sprint Data Transfer Object
+/// </summary>
+public class SprintDto
+{
+    public Guid Id { get; set; }
+    public Guid ProjectId { get; set; }
+    public string ProjectName { get; set; } = string.Empty;
+    public string Name { get; set; } = string.Empty;
+    public string? Goal { get; set; }
+    public DateTime StartDate { get; set; }
+    public DateTime EndDate { get; set; }
+    public string Status { get; set; } = string.Empty;
+    public int TotalTasks { get; set; }
+    public int CompletedTasks { get; set; }
+    public int TotalStoryPoints { get; set; }
+    public int RemainingStoryPoints { get; set; }
+    public List<Guid> TaskIds { get; set; } = new();
+    public DateTime CreatedAt { get; set; }
+    public Guid CreatedBy { get; set; }
+    public DateTime? UpdatedAt { get; set; }
+}
diff --git a/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Queries/GetActiveSprints/GetActiveSprintsQuery.cs b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Queries/GetActiveSprints/GetActiveSprintsQuery.cs
new file mode 100644
index 0000000..4dc655b
--- /dev/null
+++ b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Queries/GetActiveSprints/GetActiveSprintsQuery.cs
@@ -0,0 +1,9 @@
+using MediatR;
+using ColaFlow.Modules.ProjectManagement.Application.DTOs;
+
+namespace ColaFlow.Modules.ProjectManagement.Application.Queries.GetActiveSprints;
+
+/// <summary>
+/// Query to get all active sprints
+/// </summary>
+public sealed record GetActiveSprintsQuery : IRequest<IReadOnlyList<SprintDto>>;
diff --git a/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Queries/GetActiveSprints/GetActiveSprintsQueryHandler.cs b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Queries/GetActiveSprints/GetActiveSprintsQueryHandler.cs
new file mode 100644
index 0000000..922ab8c
--- /dev/null
+++ b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Queries/GetActiveSprints/GetActiveSprintsQueryHandler.cs
@@ -0,0 +1,39 @@
+using MediatR;
+using ColaFlow.Modules.ProjectManagement.Application.DTOs;
+using ColaFlow.Modules.ProjectManagement.Domain.Repositories;
+
+namespace ColaFlow.Modules.ProjectManagement.Application.Queries.GetActiveSprints;
+
+/// <summary>
+/// Handler for GetActiveSprintsQuery
+/// </summary>
+public sealed class GetActiveSprintsQueryHandler(IProjectRepository projectRepository)
+    : IRequestHandler<GetActiveSprintsQuery, IReadOnlyList<SprintDto>>
+{
+    private readonly IProjectRepository _projectRepository = projectRepository ?? throw new ArgumentNullException(nameof(projectRepository));
+
+    public async Task<IReadOnlyList<SprintDto>> Handle(GetActiveSprintsQuery request, CancellationToken cancellationToken)
+    {
+        var sprints = await _projectRepository.GetActiveSprintsAsync(cancellationToken);
+
+        return sprints.Select(sprint => new SprintDto
+        {
+            Id = sprint.Id.Value,
+            ProjectId = sprint.ProjectId.Value,
+            ProjectName = string.Empty, // Could join with project if needed
+            Name = sprint.Name,
+            Goal = sprint.Goal,
+            StartDate = sprint.StartDate,
+            EndDate = sprint.EndDate,
+            Status = sprint.Status.Name,
+            TotalTasks = sprint.TaskIds.Count,
+            CompletedTasks = 0, // TODO: Calculate from tasks
+            TotalStoryPoints = 0, // TODO: Calculate from tasks
+            RemainingStoryPoints = 0, // TODO: Calculate from tasks
+            TaskIds = sprint.TaskIds.Select(t => t.Value).ToList(),
+            CreatedAt = sprint.CreatedAt,
+            CreatedBy = sprint.CreatedBy.Value,
+            UpdatedAt = sprint.UpdatedAt
+        }).ToList();
+    }
+}
diff --git a/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Queries/GetSprintById/GetSprintByIdQuery.cs b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Queries/GetSprintById/GetSprintByIdQuery.cs
new file mode 100644
index 0000000..ddb2b3d
--- /dev/null
+++ b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Queries/GetSprintById/GetSprintByIdQuery.cs
@@ -0,0 +1,9 @@
+using MediatR;
+using ColaFlow.Modules.ProjectManagement.Application.DTOs;
+
+namespace ColaFlow.Modules.ProjectManagement.Application.Queries.GetSprintById;
+
+/// <summary>
+/// Query to get a sprint by ID
+/// </summary>
+public sealed record GetSprintByIdQuery(Guid SprintId) : IRequest<SprintDto?>;
diff --git a/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Queries/GetSprintById/GetSprintByIdQueryHandler.cs b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Queries/GetSprintById/GetSprintByIdQueryHandler.cs
new file mode 100644
index 0000000..269f621
--- /dev/null
+++ b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Queries/GetSprintById/GetSprintByIdQueryHandler.cs
@@ -0,0 +1,47 @@
+using MediatR;
+using ColaFlow.Modules.ProjectManagement.Application.DTOs;
+using ColaFlow.Modules.ProjectManagement.Domain.Repositories;
+using ColaFlow.Modules.ProjectManagement.Domain.ValueObjects;
+
+namespace ColaFlow.Modules.ProjectManagement.Application.Queries.GetSprintById;
+
+/// <summary>
+/// Handler for GetSprintByIdQuery
+/// </summary>
+public sealed class GetSprintByIdQueryHandler(IProjectRepository projectRepository)
+    : IRequestHandler<GetSprintByIdQuery, SprintDto?>
+{
+    private readonly IProjectRepository _projectRepository = projectRepository ?? throw new ArgumentNullException(nameof(projectRepository));
+
+    public async Task<SprintDto?> Handle(GetSprintByIdQuery request, CancellationToken cancellationToken)
+    {
+        var sprintId = SprintId.From(request.SprintId);
+        var sprint = await _projectRepository.GetSprintByIdReadOnlyAsync(sprintId, cancellationToken);
+
+        if (sprint == null)
+            return null;
+
+        // Get project name
+        var project = await _projectRepository.GetByIdAsync(sprint.ProjectId, cancellationToken);
+
+        return new SprintDto
+        {
+            Id = sprint.Id.Value,
+            ProjectId = sprint.ProjectId.Value,
+            ProjectName = project?.Name ?? string.Empty,
+            Name = sprint.Name,
+            Goal = sprint.Goal,
+            StartDate = sprint.StartDate,
+            EndDate = sprint.EndDate,
+            Status = sprint.Status.Name,
+            TotalTasks = sprint.TaskIds.Count,
+            CompletedTasks = 0, // TODO: Calculate from tasks
+            TotalStoryPoints = 0, // TODO: Calculate from tasks
+            RemainingStoryPoints = 0, // TODO: Calculate from tasks
+            TaskIds = sprint.TaskIds.Select(t => t.Value).ToList(),
+            CreatedAt = sprint.CreatedAt,
+            CreatedBy = sprint.CreatedBy.Value,
+            UpdatedAt = sprint.UpdatedAt
+        };
+    }
+}
diff --git a/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Queries/GetSprintsByProjectId/GetSprintsByProjectIdQuery.cs b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Queries/GetSprintsByProjectId/GetSprintsByProjectIdQuery.cs
new file mode 100644
index 0000000..351d5d9
--- /dev/null
+++ b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Queries/GetSprintsByProjectId/GetSprintsByProjectIdQuery.cs
@@ -0,0 +1,9 @@
+using MediatR;
+using ColaFlow.Modules.ProjectManagement.Application.DTOs;
+
+namespace ColaFlow.Modules.ProjectManagement.Application.Queries.GetSprintsByProjectId;
+
+/// <summary>
+/// Query to get all sprints for a project
+/// </summary>
+public sealed record GetSprintsByProjectIdQuery(Guid ProjectId) : IRequest<IReadOnlyList<SprintDto>>;
diff --git a/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Queries/GetSprintsByProjectId/GetSprintsByProjectIdQueryHandler.cs b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Queries/GetSprintsByProjectId/GetSprintsByProjectIdQueryHandler.cs
new file mode 100644
index 0000000..0612978
--- /dev/null
+++ b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Queries/GetSprintsByProjectId/GetSprintsByProjectIdQueryHandler.cs
@@ -0,0 +1,45 @@
+using MediatR;
+using ColaFlow.Modules.ProjectManagement.Application.DTOs;
+using ColaFlow.Modules.ProjectManagement.Domain.Repositories;
+using ColaFlow.Modules.ProjectManagement.Domain.ValueObjects;
+
+namespace ColaFlow.Modules.ProjectManagement.Application.Queries.GetSprintsByProjectId;
+
+/// <summary>
+/// Handler for GetSprintsByProjectIdQuery
+/// </summary>
+public sealed class GetSprintsByProjectIdQueryHandler(IProjectRepository projectRepository)
+    : IRequestHandler<GetSprintsByProjectIdQuery, IReadOnlyList<SprintDto>>
+{
+    private readonly IProjectRepository _projectRepository = projectRepository ?? throw new ArgumentNullException(nameof(projectRepository));
+
+    public async Task<IReadOnlyList<SprintDto>> Handle(GetSprintsByProjectIdQuery request, CancellationToken cancellationToken)
+    {
+        var projectId = ProjectId.From(request.ProjectId);
+        var sprints = await _projectRepository.GetSprintsByProjectIdAsync(projectId, cancellationToken);
+
+        // Get project name
+        var project = await _projectRepository.GetByIdAsync(projectId, cancellationToken);
+        var projectName = project?.Name ?? string.Empty;
+
+        return sprints.Select(sprint => new SprintDto
+        {
+            Id = sprint.Id.Value,
+            ProjectId = sprint.ProjectId.Value,
+            ProjectName = projectName,
+            Name = sprint.Name,
+            Goal = sprint.Goal,
+            StartDate = sprint.StartDate,
+            EndDate = sprint.EndDate,
+            Status = sprint.Status.Name,
+            TotalTasks = sprint.TaskIds.Count,
+            CompletedTasks = 0, // TODO: Calculate from tasks
+            TotalStoryPoints = 0, // TODO: Calculate from tasks
+            RemainingStoryPoints = 0, // TODO: Calculate from tasks
+            TaskIds = sprint.TaskIds.Select(t => t.Value).ToList(),
+            CreatedAt = sprint.CreatedAt,
+            CreatedBy = sprint.CreatedBy.Value,
+            UpdatedAt = sprint.UpdatedAt
+        }).ToList();
+    }
+}
diff --git a/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Domain/Repositories/IUnitOfWork.cs b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Domain/Repositories/IUnitOfWork.cs
index 25dec89..32e3f20 100644
--- a/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Domain/Repositories/IUnitOfWork.cs
+++ b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Domain/Repositories/IUnitOfWork.cs
@@ -12,4 +12,12 @@ public interface IUnitOfWork
     /// <param name="cancellationToken">Cancellation token</param>
     /// <returns>The number of entities written to the database</returns>
     Task<int> SaveChangesAsync(CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// Gets the DbContext for direct access to DbSets
+    /// Note: Returns object to avoid EF Core dependency in Domain layer
+    /// Cast to concrete DbContext type in Application layer
+    /// </summary>
+    /// <returns>The DbContext instance</returns>
+    object GetDbContext();
 }
diff --git a/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Infrastructure/Persistence/PMDbContext.cs b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Infrastructure/Persistence/PMDbContext.cs
index 01100a9..c80c172 100644
--- a/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Infrastructure/Persistence/PMDbContext.cs
+++ b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Infrastructure/Persistence/PMDbContext.cs
@@ -1,6 +1,7 @@
 using System.Reflection;
 using Microsoft.AspNetCore.Http;
 using Microsoft.EntityFrameworkCore;
+using ColaFlow.Modules.ProjectManagement.Application.Common.Interfaces;
 using ColaFlow.Modules.ProjectManagement.Domain.Aggregates.ProjectAggregate;
 using ColaFlow.Modules.ProjectManagement.Domain.Entities;
 using ColaFlow.Modules.ProjectManagement.Domain.ValueObjects;
@@ -10,7 +11,7 @@ namespace ColaFlow.Modules.ProjectManagement.Infrastructure.Persistence;
 /// <summary>
 /// Project Management Module DbContext
 /// </summary>
-public class PMDbContext : DbContext
+public class PMDbContext : DbContext, IApplicationDbContext
 {
     private readonly IHttpContextAccessor _httpContextAccessor;
 
diff --git a/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Infrastructure/Persistence/UnitOfWork.cs b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Infrastructure/Persistence/UnitOfWork.cs
index cff5916..a6f003b 100644
--- a/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Infrastructure/Persistence/UnitOfWork.cs
+++ b/colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Infrastructure/Persistence/UnitOfWork.cs
@@ -1,3 +1,4 @@
+using Microsoft.EntityFrameworkCore;
 using ColaFlow.Modules.ProjectManagement.Domain.Repositories;
 using ColaFlow.Shared.Kernel.Common;
 
@@ -19,6 +20,11 @@ public class UnitOfWork(PMDbContext context) : IUnitOfWork
         return await _context.SaveChangesAsync(cancellationToken);
     }
 
+    public object GetDbContext()
+    {
+        return _context;
+    }
+
     private async Task DispatchDomainEventsAsync(CancellationToken cancellationToken)
     {
         // Get all entities with domain events
diff --git a/colaflow-api/src/Modules/ProjectManagement/ProjectManagementModule.cs b/colaflow-api/src/Modules/ProjectManagement/ProjectManagementModule.cs
index 6f53033..45827e4 100644
--- a/colaflow-api/src/Modules/ProjectManagement/ProjectManagementModule.cs
+++ b/colaflow-api/src/Modules/ProjectManagement/ProjectManagementModule.cs
@@ -41,6 +41,9 @@ public class ProjectManagementModule : IModule
                    .AddInterceptors(auditInterceptor);
         });
 
+        // Register IApplicationDbContext
+        services.AddScoped<IApplicationDbContext>(sp => sp.GetRequiredService<PMDbContext>());
+
         // Register repositories
         services.AddScoped<IProjectRepository, ProjectRepository>();
         services.AddScoped<IUnitOfWork, UnitOfWork>();
diff --git a/docs/reports/DOCKER-VERIFICATION-REPORT-DAY18.md b/docs/reports/DOCKER-VERIFICATION-REPORT-DAY18.md
new file mode 100644
index 0000000..a4926fe
--- /dev/null
+++ b/docs/reports/DOCKER-VERIFICATION-REPORT-DAY18.md
@@ -0,0 +1,398 @@
+# Docker Environment Verification Report - Day 18
+
+**Date**: 2025-11-05
+**QA Engineer**: QA Agent
+**Test Objective**: Verify all P0 Bug fixes and validate Docker environment readiness
+**Test Scope**: Complete environment reset, rebuild, and validation
+
+---
+
+## Executive Summary
+
+### CRITICAL STATUS: BLOCKER FOUND 🔴
+
+**Result**: **FAILED - NO GO**
+
+The verification testing discovered a **CRITICAL P0 BLOCKER** that prevents the Docker environment from building and deploying. While the previously reported bugs (BUG-001, BUG-003, BUG-004) have been addressed in source code, **new compilation errors** were introduced in the Sprint management code, blocking the entire build process.
+
+### Key Findings
+
+| Status | Finding | Severity | Impact |
+|--------|---------|----------|--------|
+| 🔴 FAILED | Backend compilation errors in Sprint code | **P0 - BLOCKER** | Docker build fails completely |
+| ⚠️ PARTIAL | BUG-001 fix present in code but not verified (blocked) | P0 | Cannot verify until build succeeds |
+| ⚠️ PARTIAL | BUG-003 fix present in seed data (not verified) | P0 | Cannot verify until build succeeds |
+| ⚠️ PARTIAL | BUG-004 fix present in frontend (not verified) | P0 | Cannot verify until build succeeds |
+
+---
+
+## NEW BUG REPORT: BUG-005
+
+### BUG-005: Backend Compilation Failure - Sprint Command Handlers
+
+**Severity**: 🔴 **CRITICAL (P0 - BLOCKER)**
+**Priority**: **P0 - Fix Immediately**
+**Impact**: Docker build fails completely, environment cannot be deployed
+
+#### Description
+The Docker build process fails with compilation errors in the ProjectManagement module Sprint command handlers. This is a **regression** introduced in recent code changes.
+
+#### Compilation Errors
+
+**Error 1**: `CreateSprintCommandHandler.cs` Line 47
+```
+error CS1061: 'IUnitOfWork' does not contain a definition for 'GetDbContext'
+and no accessible extension method 'GetDbContext' accepting a first argument
+of type 'IUnitOfWork' could be found
+```
+
+**File**: `colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/CreateSprint/CreateSprintCommandHandler.cs`
+
+**Problematic Code** (Line 47):
+```csharp
+await _unitOfWork.GetDbContext().Sprints.AddAsync(sprint, cancellationToken);
+```
+
+**Error 2**: `UpdateSprintCommandHandler.cs` Line 28
+```
+error CS1061: 'Project' does not contain a definition for 'Sprints'
+and no accessible extension method 'Sprints' accepting a first argument
+of type 'Project' could be found
+```
+
+**File**: `colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/UpdateSprint/UpdateSprintCommandHandler.cs`
+
+**Problematic Code** (Line 28):
+```csharp
+var sprint = project.Sprints.FirstOrDefault(s => s.Id.Value == request.SprintId);
+```
+
+#### Root Cause Analysis
+
+**Error 1 Root Cause**:
+- `IUnitOfWork` interface does not expose a `GetDbContext()` method
+- This violates the **Repository Pattern** and **Unit of Work Pattern**
+- The handler should not access the DbContext directly
+- **Solution**: Use a repository pattern (e.g., `ISprintRepository`) or add the Sprint entity through the appropriate aggregate root
+
+**Error 2 Root Cause**:
+- The `Project` domain entity does not have a `Sprints` navigation property
+- This suggests Sprint is being treated as a child entity of Project aggregate
+- However, the current domain model does not include this relationship
+- **Solution**: Either:
+  1. Add `Sprints` collection to `Project` aggregate (if Sprint is part of Project aggregate)
+  2. OR treat Sprint as a separate aggregate root with its own repository
+  3. OR use `IProjectRepository.GetProjectWithSprintAsync()` correctly
+
+#### Impact Assessment
+
+- **Development**: ❌ Complete blocker - no containers can be built
+- **Testing**: ❌ Cannot perform any Docker testing
+- **Deployment**: ❌ Environment cannot be deployed
+- **Frontend Development**: ❌ Backend API unavailable
+- **Sprint Scope**: 🚨 **CRITICAL** - Blocks all M1 Sprint 1 deliverables
+
+#### Recommended Fix
+
+**Option 1: Use Sprint Repository (Recommended)**
+```csharp
+// CreateSprintCommandHandler.cs Line 47
+// Replace:
+await _unitOfWork.GetDbContext().Sprints.AddAsync(sprint, cancellationToken);
+
+// With:
+await _sprintRepository.AddAsync(sprint, cancellationToken);
+await _unitOfWork.SaveChangesAsync(cancellationToken);
+```
+
+**Option 2: Fix Domain Model**
+- Ensure `Project` aggregate includes `Sprints` collection if Sprint is truly a child entity
+- Update `UpdateSprintCommandHandler` to correctly navigate Project → Sprints
+
+**Immediate Action Required**:
+1. Backend team to fix compilation errors IMMEDIATELY
+2. Rebuild Docker images
+3. Re-run full verification test suite
+
+---
+
+## Test Environment
+
+### Environment Setup
+- **OS**: Windows 11
+- **Docker**: Docker Desktop (latest)
+- **Docker Compose**: Version 2.x
+- **Test Date**: 2025-11-05 00:12-00:15 UTC+01:00
+
+### Test Procedure
+1. ✅ Complete environment cleanup: `docker-compose down -v`
+2. ✅ Docker system cleanup: `docker system prune -f` (reclaimed 2.8GB)
+3. ❌ Docker image rebuild: `docker-compose build --no-cache` **FAILED**
+
+---
+
+## Test 1: Complete Environment Reset and Startup
+
+### Test Objective
+Verify that Docker environment can be completely reset and restarted with automatic migrations.
+
+### Steps Executed
+```powershell
+# Step 1: Stop and remove all containers and volumes
+docker-compose down -v
+# Result: SUCCESS ✅
+
+# Step 2: Clean Docker system
+docker system prune -f
+# Result: SUCCESS ✅ (Reclaimed 2.8GB)
+
+# Step 3: Rebuild images without cache
+docker-compose build --no-cache
+# Result: FAILED ❌ - Compilation errors
+```
+
+### Expected Result
+- All services rebuild successfully
+- API container includes updated Program.cs with migration code
+- No compilation errors
+
+### Actual Result
+❌ **FAILED**: Backend compilation failed with 2 errors in Sprint command handlers
+
+### Evidence
+```
+Build FAILED.
+
+/src/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/CreateSprint/CreateSprintCommandHandler.cs(47,27):
+error CS1061: 'IUnitOfWork' does not contain a definition for 'GetDbContext' ...
+
+/src/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/UpdateSprint/UpdateSprintCommandHandler.cs(28,30):
+error CS1061: 'Project' does not contain a definition for 'Sprints' ...
+
+    0 Warning(s)
+    2 Error(s)
+
+Time Elapsed 00:00:06.88
+```
+
+### Status
+🔴 **BLOCKED**: Cannot proceed with remaining tests until compilation errors are fixed
+
+---
+
+## Tests NOT Executed (Blocked)
+
+The following tests were planned but could not be executed due to the P0 blocker:
+
+### Test 2: Database Schema Verification ⚠️ BLOCKED
+- **Objective**: Verify all EF Core migrations created database tables correctly
+- **Status**: Cannot execute - containers not running
+
+### Test 3: Demo Data Verification ⚠️ BLOCKED
+- **Objective**: Verify seed data including BCrypt password hashes (BUG-003 fix)
+- **Status**: Cannot execute - database not initialized
+
+### Test 4: Container Health Status ⚠️ BLOCKED
+- **Objective**: Verify all containers report "healthy" status
+- **Status**: Cannot execute - containers not built
+
+### Test 5: Frontend Health Check Endpoint ⚠️ BLOCKED
+- **Objective**: Verify BUG-004 fix (health check endpoint)
+- **Status**: Cannot execute - frontend container not running
+
+### Test 6: User Login Functionality ⚠️ BLOCKED
+- **Objective**: Verify BUG-003 fix (login with real BCrypt hash)
+- **Status**: Cannot execute - API not available
+
+### Test 7: Auto-Migration Verification ⚠️ BLOCKED
+- **Objective**: Verify BUG-001 fix (automatic database migration)
+- **Status**: Cannot execute - API not built
+
+---
+
+## Analysis: Previously Reported Bug Fixes
+
+### BUG-001: Database Auto-Migration ✅ FIX PRESENT (Not Verified)
+
+**Status**: Code fix is present in `Program.cs` but NOT verified due to blocker
+
+**Evidence**:
+- File: `colaflow-api/src/ColaFlow.API/Program.cs` (Lines 204-248)
+- Migration code added to Program.cs:
+  ```csharp
+  if (app.Environment.IsDevelopment())
+  {
+      app.Logger.LogInformation("Running in Development mode, applying database migrations...");
+      // ... migration code ...
+      app.Logger.LogInformation("✅ Identity module migrations applied successfully");
+      app.Logger.LogInformation("✅ ProjectManagement module migrations applied successfully");
+  }
+  ```
+
+**Verification Status**: ⚠️ **Cannot verify** - Docker image not built with this code
+
+---
+
+### BUG-003: Password Hash Fix ✅ FIX PRESENT (Not Verified)
+
+**Status**: Fix is present in seed data but NOT verified due to blocker
+
+**Evidence**:
+- File: `scripts/seed-data.sql`
+- Real BCrypt hashes added (reported by backend team)
+- Password: `Demo@123456`
+
+**Verification Status**: ⚠️ **Cannot verify** - Database not seeded
+
+---
+
+### BUG-004: Frontend Health Check ✅ FIX PRESENT (Not Verified)
+
+**Status**: Fix is present in frontend code but NOT verified due to blocker
+
+**Evidence**:
+- File: `colaflow-web/app/api/health/route.ts` (reported by frontend team)
+- Health check endpoint implemented
+
+**Verification Status**: ⚠️ **Cannot verify** - Frontend container not running
+
+---
+
+## Quality Gate Assessment
+
+### Release Criteria Evaluation
+
+| Criteria | Target | Actual | Status |
+|----------|--------|--------|--------|
+| P0/P1 Bugs | 0 | **1 NEW P0** + 3 unverified | 🔴 FAIL |
+| Test Pass Rate | ≥ 95% | 0% (0/7 tests) | 🔴 FAIL |
+| Code Coverage | ≥ 80% | N/A - Cannot measure | 🔴 FAIL |
+| Container Health | All healthy | Cannot verify | 🔴 FAIL |
+| Build Success | 100% | **0% (Build fails)** | 🔴 FAIL |
+
+### Go/No-Go Decision
+
+**Decision**: 🔴 **NO GO - CRITICAL BLOCKER**
+
+**Justification**:
+1. **P0 BLOCKER**: Backend code does not compile
+2. **Zero tests passed**: No verification possible
+3. **Regression**: New errors introduced in Sprint code
+4. **Impact**: Complete development halt - no Docker environment available
+
+---
+
+## Critical Issues Summary
+
+### P0 Blockers (Must Fix Immediately)
+
+1. **BUG-005**: Backend compilation failure in Sprint command handlers
+   - **Impact**: Complete build failure
+   - **Owner**: Backend Team
+   - **ETA**: IMMEDIATE (< 2 hours)
+
+### P0 Issues (Cannot Verify Until Blocker Fixed)
+
+2. **BUG-001**: Database auto-migration (fix present, not verified)
+3. **BUG-003**: Password hash fix (fix present, not verified)
+4. **BUG-004**: Frontend health check (fix present, not verified)
+
+---
+
+## Recommendations
+
+### Immediate Actions (Next 2 Hours)
+
+1. **Backend Team**:
+   - ⚠️ Fix `CreateSprintCommandHandler.cs` Line 47 (GetDbContext issue)
+   - ⚠️ Fix `UpdateSprintCommandHandler.cs` Line 28 (Sprints navigation property)
+   - ⚠️ Run `dotnet build` locally to verify compilation
+   - ⚠️ Commit and push fixes immediately
+
+2. **QA Team**:
+   - ⏸️ Wait for backend fixes
+   - ⏸️ Re-run full verification suite after fixes
+   - ⏸️ Generate updated verification report
+
+3. **Coordinator**:
+   - 🚨 Escalate BUG-005 to highest priority
+   - 🚨 Block all other work until blocker is resolved
+   - 🚨 Schedule emergency bug fix session
+
+### Code Quality Actions
+
+1. **Add Pre-commit Hooks**:
+   - Run `dotnet build` before allowing commits
+   - Prevent compilation errors from reaching main branch
+
+2. **CI/CD Pipeline**:
+   - Add automated build checks on pull requests
+   - Block merge if build fails
+
+3. **Code Review**:
+   - Review Sprint command handlers for architectural issues
+   - Ensure proper use of Repository and Unit of Work patterns
+
+### Process Improvements
+
+1. **Build Verification**: Always run `dotnet build` before claiming fix complete
+2. **Integration Testing**: Run Docker build as part of CI/CD
+3. **Regression Prevention**: Add automated tests for Sprint CRUD operations
+
+---
+
+## Next Steps
+
+### Step 1: Fix BUG-005 (CRITICAL)
+- **Owner**: Backend Team
+- **Priority**: P0 - Immediate
+- **ETA**: < 2 hours
+
+### Step 2: Re-run Verification (After Fix)
+- **Owner**: QA Team
+- **Duration**: 1 hour
+- **Scope**: Full 7-test suite
+
+### Step 3: Generate Final Report
+- **Owner**: QA Team
+- **Deliverable**: Updated verification report with Go/No-Go decision
+
+---
+
+## Appendix A: Test Environment Details
+
+### Docker Compose Services
+- `postgres`: PostgreSQL 17 database
+- `postgres-test`: Test database instance
+- `redis`: Redis cache
+- `colaflow-api`: Backend API (.NET 9)
+- `colaflow-web`: Frontend (Next.js 15)
+
+### Volumes
+- `postgres_data`: Persistent database storage
+- `redis_data`: Persistent cache storage
+
+### Networks
+- `colaflow-network`: Internal Docker network
+
+---
+
+## Appendix B: Related Documents
+
+- Original Bug Reports: (in project history)
+- BUG-001 Fix: `colaflow-api/src/ColaFlow.API/Program.cs`
+- BUG-003 Fix: `scripts/seed-data.sql`
+- BUG-004 Fix: `colaflow-web/app/api/health/route.ts`
+- BUG-005 Files:
+  - `colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/CreateSprint/CreateSprintCommandHandler.cs`
+  - `colaflow-api/src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/Commands/UpdateSprint/UpdateSprintCommandHandler.cs`
+
+---
+
+**Report Generated**: 2025-11-05 00:15 UTC+01:00
+**QA Engineer**: QA Agent
+**Status**: 🔴 BLOCKER - NO GO
+
+---
+
+**IMMEDIATE ESCALATION REQUIRED**: This report must be reviewed by the Coordinator and Backend Team immediately. All M1 Sprint 1 deliverables are blocked until BUG-005 is resolved.