chore: correct namespaces and hiearchy

src/TrackApi/TrackQrApi/Features/Projects/Endpoints/ListProjectsEndpoint.cs

@@ -0,0 +1,53 @@
+using System.Security.Claims;
+using FastEndpoints;
+using Microsoft.EntityFrameworkCore;
+using TrackQrApi.Data;
+using TrackQrApi.Features.Auth.Common;
+using TrackQrApi.Features.Projects.Common;
+
+namespace TrackQrApi.Features.Projects.Endpoints;
+
+public class ListProjectsRequest
+{
+    public Guid WorkspaceId { get; set; }
+}
+
+public class ListProjectsEndpoint(AppDbContext db)
+    : Endpoint<ListProjectsRequest, ProjectListResponse>
+{
+    public override void Configure()
+    {
+        Get("/workspaces/{WorkspaceId}/projects");
+    }
+
+    public override async Task HandleAsync(ListProjectsRequest req, CancellationToken ct)
+    {
+        var userId = Guid.Parse(User.FindFirstValue(ClaimTypes.NameIdentifier)!);
+
+        // Verify workspace ownership
+        var workspaceExists = await db.Workspaces
+            .AnyAsync(w => w.Id == req.WorkspaceId && w.OwnerUserId == userId, ct);
+
+        if (!workspaceExists)
+        {
+            await HttpContext.Response.SendAsync(new MessageResponse("Workspace not found"), 404, cancellation: ct);
+            return;
+        }
+
+        var projects = await db.Projects
+            .Where(p => p.WorkspaceId == req.WorkspaceId)
+            .OrderByDescending(p => p.CreatedAt)
+            .Select(p => new ProjectResponse(
+                p.Id,
+                p.WorkspaceId,
+                p.Name,
+                p.Description,
+                p.ShortLinks.Count(l => l.DeletedAt == null),
+                p.QRCodeDesigns.Count,
+                p.CreatedAt
+            ))
+            .ToListAsync(ct);
+
+        await HttpContext.Response.SendAsync(new ProjectListResponse(projects), cancellation: ct);
+    }
+}