feat: remove file attachment

TaskTrackingSystem.Database/AppDbContextModels/AppDbContext.cs

@@ -20,7 +20,6 @@ public partial class AppDbContext : DbContext
 
     public virtual DbSet<Comment> Comments { get; set; }
 
-    public virtual DbSet<FileAttachment> FileAttachments { get; set; }
 
     public virtual DbSet<Menu> Menus { get; set; }
 
@@ -98,27 +97,10 @@ public partial class AppDbContext : DbContext
                 .HasConstraintName("FK_Comments_Users");
         });
 
-        modelBuilder.Entity<FileAttachment>(entity =>
-        {
-            entity.HasIndex(e => e.TaskId, "IX_FileAttachments_TaskId");
-
-            entity.Property(e => e.CreatedAt)
-                .HasDefaultValueSql("(getdate())")
-                .HasColumnType("datetime");
-            entity.Property(e => e.FileName).HasMaxLength(255);
-            entity.Property(e => e.FileType).HasMaxLength(100);
-            entity.Property(e => e.UpdatedAt).HasColumnType("datetime");
 
-            entity.HasOne(d => d.Task).WithMany(p => p.FileAttachments)
-                .HasForeignKey(d => d.TaskId)
-                .OnDelete(DeleteBehavior.ClientSetNull)
-                .HasConstraintName("FK_FileAttachments_Tasks");
-        });
 
         modelBuilder.Entity<Menu>(entity =>
         {
-            entity.HasIndex(e => e.ParentMenuId, "IX_Menus_ParentMenuId");
-
             entity.HasIndex(e => e.MenuCode, "UQ_Menus_MenuCode").IsUnique();
 
             entity.Property(e => e.CreatedAt)

TaskTrackingSystem.Database/AppDbContextModels/FileAttachment.cs

@@ -1,31 +0,0 @@
-using System;
-using System.Collections.Generic;
-
-namespace TaskTrackingSystem.Database.AppDbContextModels;
-
-public partial class FileAttachment
-{
-    public long Id { get; set; }
-
-    public long TaskId { get; set; }
-
-    public string FileName { get; set; } = null!;
-
-    public string FileType { get; set; } = null!;
-
-    public string FilePath { get; set; } = null!;
-
-    public long FileSizeInBytes { get; set; }
-
-    public DateTime? CreatedAt { get; set; }
-
-    public long? CreatedBy { get; set; }
-
-    public DateTime? UpdatedAt { get; set; }
-
-    public long? UpdatedBy { get; set; }
-
-    public bool IsDeleted { get; set; }
-
-    public virtual Task Task { get; set; } = null!;
-}

TaskTrackingSystem.Database/AppDbContextModels/Task.cs

@@ -42,8 +42,6 @@ public partial class Task
 
     public virtual ICollection<Comment> Comments { get; set; } = new List<Comment>();
 
-    public virtual ICollection<FileAttachment> FileAttachments { get; set; } = new List<FileAttachment>();
-
     public virtual Project Project { get; set; } = null!;
 
     public virtual ICollection<TaskHistory> TaskHistories { get; set; } = new List<TaskHistory>();

TaskTrackingSystem.Shared/Models/Attachment/FileAttachmentDto.cs

@@ -1,16 +0,0 @@
-using System;
-
-namespace TaskTrackingSystem.Shared.Models.Attachment
-{
-    public class FileAttachmentDto
-    {
-        public long Id { get; set; }
-        public long TaskId { get; set; }
-        public string FileName { get; set; } = null!;
-        public string FileType { get; set; } = null!;
-        public long FileSizeInBytes { get; set; }
-        public DateTime CreatedAt { get; set; }
-        public long? CreatedBy { get; set; }
-        public string CreatedByName { get; set; } = null!;
-    }
-}

TaskTrackingSystem.WebApi/Features/Task/TaskDetailsController.cs

@@ -10,7 +10,6 @@ using System.Threading.Tasks;
 using TaskTrackingSystem.Database.AppDbContextModels;
 using TaskTrackingSystem.Shared;
 using TaskTrackingSystem.Shared.Models.Comment;
-using TaskTrackingSystem.Shared.Models.Attachment;
 using TaskTrackingSystem.WebApi.Infrastructure;
 
 namespace TaskTrackingSystem.WebApi.Features.Task
@@ -143,157 +142,5 @@ namespace TaskTrackingSystem.WebApi.Features.Task
 
             return Ok(Result.Success(200));
         }
-
-        // ─── ATTACHMENTS ──────────────────────────────────────────────────────
-
-        [HttpGet("tasks/{taskId}/attachments")]
-        public async Task<ActionResult<IEnumerable<FileAttachmentDto>>> GetAttachments(long taskId)
-        {
-            var taskExists = await _db.Tasks.AnyAsync(t => t.Id == taskId && !t.IsDeleted);
-            if (!taskExists)
-            {
-                return NotFound(new { message = $"Task with ID {taskId} not found." });
-            }
-
-            var attachments = await _db.FileAttachments
-                .Where(f => f.TaskId == taskId && !f.IsDeleted)
-                .OrderBy(f => f.CreatedAt)
-                .Select(f => new FileAttachmentDto
-                {
-                    Id = f.Id,
-                    TaskId = f.TaskId,
-                    FileName = f.FileName,
-                    FileType = f.FileType,
-                    FileSizeInBytes = f.FileSizeInBytes,
-                    CreatedAt = f.CreatedAt ?? DateTime.UtcNow,
-                    CreatedBy = f.CreatedBy,
-                    CreatedByName = _db.Users
-                        .Where(u => u.Id == f.CreatedBy)
-                        .Select(u => $"{u.FirstName} {u.LastName}")
-                        .FirstOrDefault() ?? "Unknown"
-                })
-                .ToListAsync();
-
-            return Ok(attachments);
-        }
-
-        [HttpPost("tasks/{taskId}/attachments")]
-        public async Task<ActionResult<Result<FileAttachmentDto>>> UploadAttachment(long taskId, IFormFile file)
-        {
-            if (file == null || file.Length == 0)
-            {
-                return BadRequest(Result<FileAttachmentDto>.Failure("No file was uploaded.", 400));
-            }
-
-            var task = await _db.Tasks.FirstOrDefaultAsync(t => t.Id == taskId && !t.IsDeleted);
-            if (task == null)
-            {
-                return NotFound(Result<FileAttachmentDto>.Failure($"Task with ID {taskId} not found.", 404));
-            }
-
-            var userId = User.GetUserId();
-            var user = await _db.Users.FirstOrDefaultAsync(u => u.Id == userId);
-            if (user == null)
-            {
-                return Unauthorized();
-            }
-
-            // Create uploads directory
-            var uploadsFolder = Path.Combine(Directory.GetCurrentDirectory(), "Uploads");
-            if (!Directory.Exists(uploadsFolder))
-            {
-                Directory.CreateDirectory(uploadsFolder);
-            }
-
-            // Generate unique name
-            var uniqueFileName = $"{Guid.NewGuid()}_{file.FileName}";
-            var filePath = Path.Combine(uploadsFolder, uniqueFileName);
-
-            // Save file physically
-            using (var stream = new FileStream(filePath, FileMode.Create))
-            {
-                await file.CopyToAsync(stream);
-            }
-
-            var attachment = new FileAttachment
-            {
-                TaskId = taskId,
-                FileName = file.FileName,
-                FileType = file.ContentType,
-                FilePath = uniqueFileName, // Store the unique disk filename as FilePath
-                FileSizeInBytes = file.Length,
-                CreatedAt = DateTime.UtcNow,
-                CreatedBy = userId,
-                IsDeleted = false
-            };
-
-            _db.FileAttachments.Add(attachment);
-            await _db.SaveChangesAsync();
-
-            var resultDto = new FileAttachmentDto
-            {
-                Id = attachment.Id,
-                TaskId = attachment.TaskId,
-                FileName = attachment.FileName,
-                FileType = attachment.FileType,
-                FileSizeInBytes = attachment.FileSizeInBytes,
-                CreatedAt = attachment.CreatedAt ?? DateTime.UtcNow,
-                CreatedBy = attachment.CreatedBy,
-                CreatedByName = $"{user.FirstName} {user.LastName}"
-            };
-
-            return StatusCode(201, Result<FileAttachmentDto>.Success(resultDto, 201));
-        }
-
-        [HttpGet("attachments/{attachmentId}/download")]
-        [AllowAnonymous] // Allow download endpoint to stream, we can check custom token validation or basic checks if desired, or let Blazor fetch it
-        public async Task<IActionResult> DownloadAttachment(long attachmentId)
-        {
-            var attachment = await _db.FileAttachments.FirstOrDefaultAsync(f => f.Id == attachmentId && !f.IsDeleted);
-            if (attachment == null)
-            {
-                return NotFound();
-            }
-
-            var uploadsFolder = Path.Combine(Directory.GetCurrentDirectory(), "Uploads");
-            var filePath = Path.Combine(uploadsFolder, attachment.FilePath);
-
-            if (!System.IO.File.Exists(filePath))
-            {
-                return NotFound();
-            }
-
-            var bytes = await System.IO.File.ReadAllBytesAsync(filePath);
-            return File(bytes, attachment.FileType, attachment.FileName);
-        }
-
-        [HttpDelete("attachments/{attachmentId}")]
-        public async Task<ActionResult<Result>> DeleteAttachment(long attachmentId)
-        {
-            var attachment = await _db.FileAttachments.FirstOrDefaultAsync(f => f.Id == attachmentId && !f.IsDeleted);
-            if (attachment == null)
-            {
-                return NotFound(Result.Failure("Attachment not found.", 404));
-            }
-
-            var userId = User.GetUserId();
-            var isAdmin = User.IsAdmin();
-
-            // Only attachment creator or Admin can delete
-            if (attachment.CreatedBy != userId && !isAdmin)
-            {
-                return Forbid();
-            }
-
-            attachment.IsDeleted = true;
-            attachment.UpdatedAt = DateTime.UtcNow;
-            attachment.UpdatedBy = userId;
-
-            _db.FileAttachments.Update(attachment);
-            await _db.SaveChangesAsync();
-
-            // Optional: delete physical file or leave it for archiving. We'll leave it as soft-deleted in DB.
-            return Ok(Result.Success(200));
-        }
     }
 }

TaskTrackingSystem.WebApp/Components/Pages/Backlog.razor

@@ -147,7 +147,7 @@
                     <div class="bg-white border border-slate-200 rounded-2xl p-12 shadow-sm text-center flex flex-col items-center justify-center min-h-[600px] text-slate-400">
                         <i data-lucide="layers" class="h-12 w-12 text-slate-300 mb-3 animate-pulse"></i>
                         <h4 class="text-sm font-bold text-slate-700">Select a task from the backlog</h4>
-                        <p class="text-xs text-slate-400 mt-1 max-w-sm">Click any task on the left list to view details, update status, post comments, or upload file attachments inline.</p>
+                        <p class="text-xs text-slate-400 mt-1 max-w-sm">Click any task on the left list to view details, update status, or post comments inline.</p>
                     </div>
                 }
             </div>

TaskTrackingSystem.WebApp/Components/Pages/TaskDetails.razor

@@ -5,7 +5,6 @@
 @using TaskTrackingSystem.Shared
 @using TaskTrackingSystem.Shared.Models.Task
 @using TaskTrackingSystem.Shared.Models.Comment
-@using TaskTrackingSystem.Shared.Models.Attachment
 @using TaskTrackingSystem.Shared.Models.Project
 @using TaskTrackingSystem.Shared.Models.User
 @using TaskTrackingSystem.WebApp.Components.Partial
@@ -247,144 +246,70 @@
                 </div>
             </div>
 
-            <!-- Right Grid: Collaboration Hub (Comments & Attachments) -->
+            <!-- Right Grid: Comments -->
             <div class="space-y-6">
                 <div class="rounded-2xl border border-slate-200 bg-white shadow-sm overflow-hidden flex flex-col h-[580px]">
-                    <!-- Hub Tabs -->
-                    <div class="flex border-b border-slate-100 bg-slate-50/50 p-1">
-                        <button @onclick='() => SetTab("comments")' class="flex-1 py-2 rounded-lg text-xs font-bold flex items-center justify-center gap-2 transition-all @(currentTab == "comments" ? "bg-white text-slate-800 shadow-sm" : "text-slate-500 hover:text-slate-800")">
-                            <i data-lucide="message-square" class="h-4 w-4"></i>
-                            <span>Comments (@comments.Count)</span>
-                        </button>
-                        <button @onclick='() => SetTab("files")' class="flex-1 py-2 rounded-lg text-xs font-bold flex items-center justify-center gap-2 transition-all @(currentTab == "files" ? "bg-white text-slate-800 shadow-sm" : "text-slate-500 hover:text-slate-800")">
-                            <i data-lucide="paperclip" class="h-4 w-4"></i>
-                            <span>Files (@attachments.Count)</span>
-                        </button>
+                    <!-- Header -->
+                    <div class="border-b border-slate-100 bg-slate-50/50 p-4">
+                        <h3 class="text-sm font-bold text-slate-800 flex items-center gap-2">
+                            <i data-lucide="message-square" class="h-4 w-4 text-violet-600"></i>
+                            Comments (@comments.Count)
+                        </h3>
                     </div>
 
-                    <!-- Hub Body -->
+                    <!-- Comments Body -->
                     <div class="flex-1 overflow-y-auto p-4 min-h-0">
-                        @if (currentTab == "comments")
-                        {
-                            <!-- Comments List -->
-                            <div class="space-y-4 font-sans">
-                                @if (comments.Any())
-                                {
-                                    @foreach (var c in comments)
-                                    {
-                                        <div class="flex items-start gap-3">
-                                            <span class="flex h-7 w-7 items-center justify-center rounded-full bg-violet-100 text-violet-700 text-xs font-bold shrink-0 mt-0.5">
-                                                @(c.UserFullName.Length > 0 ? c.UserFullName[0].ToString().ToUpper() : "U")
-                                            </span>
-                                            <div class="flex-1 min-w-0 bg-slate-50 rounded-xl p-3 border border-slate-100">
-                                                <div class="flex items-center justify-between gap-2">
-                                                    <span class="text-xs font-bold text-slate-800 truncate">@c.UserFullName</span>
-                                                    <span class="text-[9px] text-slate-400 shrink-0 font-sans">@c.CreatedAt.ToString("g")</span>
-                                                </div>
-                                                <p class="text-xs text-slate-400 mt-0.5">@c.UserRoleName</p>
-                                                <div class="text-xs text-slate-700 mt-2 whitespace-pre-wrap break-words">@c.Message</div>
-                                            </div>
-                                            @if (c.UserId == currentUserId || isAdmin)
-                                            {
-                                                <button @onclick="() => ConfirmDeleteComment(c.Id)" class="p-1 text-slate-300 hover:text-rose-500 rounded-lg transition-colors shrink-0" title="Delete comment">
-                                                    <i data-lucide="trash-2" class="h-3.5 w-3.5"></i>
-                                                </button>
-                                            }
-                                        </div>
-                                    }
-                                }
-                                else
-                                {
-                                    <div class="text-center py-12 text-slate-400 space-y-2">
-                                        <i data-lucide="messages-square" class="h-8 w-8 mx-auto text-slate-300"></i>
-                                        <p class="text-xs">No comments posted yet.</p>
-                                        <p class="text-[10px]">Start the conversation below!</p>
-                                    </div>
-                                }
-                            </div>
-                        }
-                        else
-                        {
-                            <!-- Attachments List -->
-                            <div class="space-y-3 font-sans">
-                                @if (attachments.Any())
+                        <div class="space-y-4 font-sans">
+                            @if (comments.Any())
+                            {
+                                @foreach (var c in comments)
                                 {
-                                    @foreach (var file in attachments)
-                                    {
-                                        <div class="flex items-center justify-between p-2.5 rounded-xl border border-slate-200 bg-white hover:bg-slate-50/50 transition-colors gap-3">
-                                            <div class="flex items-center gap-2.5 min-w-0">
-                                                <span class="flex h-8 w-8 items-center justify-center rounded-lg bg-slate-100 text-slate-500 shrink-0">
-                                                    <i data-lucide="@GetFileIcon(file.FileType)" class="h-4 w-4"></i>
-                                                </span>
-                                                <div class="min-w-0">
-                                                    <p class="text-xs font-semibold text-slate-800 truncate" title="@file.FileName">@file.FileName</p>
-                                                    <p class="text-[10px] text-slate-400 mt-0.5 font-sans">@FormatBytes(file.FileSizeInBytes) • by @file.CreatedByName</p>
-                                                </div>
-                                            </div>
-                                            <div class="flex items-center gap-1.5 shrink-0">
-                                                <a href="@($"{ApiClient.BaseUrl}/api/TaskDetails/attachments/{file.Id}/download")" target="_blank" class="p-1.5 text-slate-400 hover:text-violet-600 hover:bg-violet-50 rounded-lg transition-all" title="Download">
-                                                    <i data-lucide="download" class="h-4 w-4"></i>
-                                                </a>
-                                                @if (file.CreatedBy == currentUserId || isAdmin)
-                                                {
-                                                    <button @onclick="() => ConfirmDeleteAttachment(file.Id)" class="p-1.5 text-slate-300 hover:text-rose-500 hover:bg-rose-50 rounded-lg transition-all" title="Delete file">
-                                                        <i data-lucide="trash-2" class="h-4 w-4"></i>
-                                                    </button>
-                                                }
+                                    <div class="flex items-start gap-3">
+                                        <span class="flex h-7 w-7 items-center justify-center rounded-full bg-violet-100 text-violet-700 text-xs font-bold shrink-0 mt-0.5">
+                                            @(c.UserFullName.Length > 0 ? c.UserFullName[0].ToString().ToUpper() : "U")
+                                        </span>
+                                        <div class="flex-1 min-w-0 bg-slate-50 rounded-xl p-3 border border-slate-100">
+                                            <div class="flex items-center justify-between gap-2">
+                                                <span class="text-xs font-bold text-slate-800 truncate">@c.UserFullName</span>
+                                                <span class="text-[9px] text-slate-400 shrink-0 font-sans">@c.CreatedAt.ToString("g")</span>
                                             </div>
+                                            <p class="text-xs text-slate-400 mt-0.5">@c.UserRoleName</p>
+                                            <div class="text-xs text-slate-700 mt-2 whitespace-pre-wrap break-words">@c.Message</div>
                                         </div>
-                                    }
-                                }
-                                else
-                                {
-                                    <div class="text-center py-8 text-slate-400 space-y-2">
-                                        <i data-lucide="file-up" class="h-8 w-8 mx-auto text-slate-300"></i>
-                                        <p class="text-xs">No attachments found.</p>
+                                        @if (c.UserId == currentUserId || isAdmin)
+                                        {
+                                            <button @onclick="() => ConfirmDeleteComment(c.Id)" class="p-1 text-slate-300 hover:text-rose-500 rounded-lg transition-colors shrink-0" title="Delete comment">
+                                                <i data-lucide="trash-2" class="h-3.5 w-3.5"></i>
+                                            </button>
+                                        }
                                     </div>
                                 }
-                            </div>
-                        }
+                            }
+                            else
+                            {
+                                <div class="text-center py-12 text-slate-400 space-y-2">
+                                    <i data-lucide="messages-square" class="h-8 w-8 mx-auto text-slate-300"></i>
+                                    <p class="text-xs">No comments posted yet.</p>
+                                    <p class="text-[10px]">Start the conversation below!</p>
+                                </div>
+                            }
+                        </div>
                     </div>
 
-                    <!-- Hub Footer (Inputs) (Free for everyone) -->
+                    <!-- Footer (Inputs) -->
                     <div class="p-4 border-t border-slate-100 bg-slate-50/50">
-                        @if (currentTab == "comments")
-                        {
-                            <div class="flex items-start gap-2">
-                                <div class="flex-1">
-                                    <textarea @bind="newCommentMessage" rows="2" placeholder="Write a comment..." class="w-full rounded-xl border border-slate-200 px-3 py-2 text-xs text-slate-900 placeholder:text-slate-400 focus:outline-none focus:ring-2 focus:ring-violet-600 focus:border-transparent transition-all" disabled="@isSavingComment"></textarea>
-                                    @if (!string.IsNullOrEmpty(commentError))
-                                    {
-                                        <p class="text-[10px] text-red-500 mt-1 font-sans">@commentError</p>
-                                    }
-                                </div>
-                                <button @onclick="PostComment" disabled="@(isSavingComment || string.IsNullOrWhiteSpace(newCommentMessage))" class="rounded-xl bg-violet-600 text-white p-2.5 hover:bg-violet-700 disabled:opacity-50 transition-all shadow-sm shrink-0">
-                                    <i data-lucide="send" class="h-4 w-4"></i>
-                                </button>
-                            </div>
-                        }
-                        else
-                        {
-                            <div>
-                                <InputFile OnChange="OnInputFileChange" class="hidden" id="fileUpload" disabled="@isUploading" />
-                                <label for="fileUpload" class="cursor-pointer flex flex-col items-center justify-center border-2 border-dashed border-slate-200 rounded-xl p-4 hover:border-violet-500 hover:bg-violet-50/20 transition-all">
-                                    @if (isUploading)
-                                    {
-                                        <LoadingSpinner Message="Uploading file..." />
-                                    }
-                                    else
-                                    {
-                                        <i data-lucide="upload-cloud" class="h-7 w-7 text-slate-400 mb-1.5"></i>
-                                        <span class="text-xs font-semibold text-slate-600">Click to upload file</span>
-                                        <span class="text-[9px] text-slate-400 mt-0.5">Maximum size: 10MB</span>
-                                    }
-                                </label>
-                                @if (!string.IsNullOrEmpty(uploadError))
+                        <div class="flex items-start gap-2">
+                            <div class="flex-1">
+                                <textarea @bind="newCommentMessage" rows="2" placeholder="Write a comment..." class="w-full rounded-xl border border-slate-200 px-3 py-2 text-xs text-slate-900 placeholder:text-slate-400 focus:outline-none focus:ring-2 focus:ring-violet-600 focus:border-transparent transition-all" disabled="@isSavingComment"></textarea>
+                                @if (!string.IsNullOrEmpty(commentError))
                                 {
-                                    <p class="text-[10px] text-red-500 mt-1.5 font-sans">@uploadError</p>
+                                    <p class="text-[10px] text-red-500 mt-1 font-sans">@commentError</p>
                                 }
                             </div>
-                        }
+                            <button @onclick="PostComment" disabled="@(isSavingComment || string.IsNullOrWhiteSpace(newCommentMessage))" class="rounded-xl bg-violet-600 text-white p-2.5 hover:bg-violet-700 disabled:opacity-50 transition-all shadow-sm shrink-0">
+                                <i data-lucide="send" class="h-4 w-4"></i>
+                            </button>
+                        </div>
                     </div>
                 </div>
             </div>
@@ -392,7 +317,6 @@
     }
 </div>
 
-@* Confirm Actions dialog *@
 <ConfirmDialog IsVisible="showConfirm"
                Title="@confirmTitle"
                Message="@confirmMessage"
@@ -410,13 +334,13 @@
     [Parameter] public EventCallback OnTaskUpdated { get; set; }
     [SupplyParameterFromQuery(Name = "tab")]
     public string? TabQuery { get; set; }
+    private Func<Task>? confirmAction;
 
     private bool isLoading = true;
     private TaskDto? task;
     private ProjectDto? project;
     private UserDto? assignee;
     private List<CommentDto> comments = new();
-    private List<FileAttachmentDto> attachments = new();
     private List<UserDto> allUsers = new();
 
     private bool isAdmin = false;
@@ -427,22 +351,15 @@
 
     private List<string> scopes = new();
 
-    private string currentTab = "comments";
-
     // Comments Form
     private string newCommentMessage = "";
     private bool isSavingComment = false;
     private string? commentError;
 
-    // Attachments Form
-    private bool isUploading = false;
-    private string? uploadError;
-
     // Confirm dialog
     private bool showConfirm = false;
     private string confirmTitle = "";
     private string confirmMessage = "";
-    private Func<Task>? confirmAction;
 
     // Inline edit states
     private bool isEditingDescription = false;
@@ -480,11 +397,6 @@
             assignee = null;
             await LoadAllData();
         }
-
-        if (!string.IsNullOrWhiteSpace(TabQuery))
-        {
-            currentTab = TabQuery.Equals("files", StringComparison.OrdinalIgnoreCase) ? "files" : "comments";
-        }
     }
 
     protected override async Task OnAfterRenderAsync(bool firstRender)
@@ -492,15 +404,6 @@
         await JS.InvokeVoidAsync("initIcons");
     }
 
-    private void SetTab(string tab)
-    {
-        currentTab = tab;
-        _ = InvokeAsync(async () => {
-            await Task.Delay(50);
-            await JS.InvokeVoidAsync("initIcons");
-        });
-    }
-
     private async Task LoadAllData()
     {
         isLoading = true;
@@ -509,15 +412,13 @@
         {
             var taskUrl = $"Task/{TaskId}";
             var commentsUrl = $"TaskDetails/tasks/{TaskId}/comments";
-            var attachmentsUrl = $"TaskDetails/tasks/{TaskId}/attachments";
             var usersUrl = "User";
 
             var taskResponseTask = client.GetAsync(taskUrl);
             var commentsResponseTask = client.GetAsync(commentsUrl);
-            var attachmentsResponseTask = client.GetAsync(attachmentsUrl);
             var usersResponseTask = client.GetAsync(usersUrl);
 
-            await Task.WhenAll(taskResponseTask, commentsResponseTask, attachmentsResponseTask, usersResponseTask);
+            await Task.WhenAll(taskResponseTask, commentsResponseTask, usersResponseTask);
 
             var taskResponse = taskResponseTask.Result;
             if (taskResponse.IsSuccessStatusCode)
@@ -531,12 +432,6 @@
                 comments = await commentsResponse.Content.ReadFromJsonAsync<List<CommentDto>>(Serialization.CaseInsensitive) ?? new();
             }
 
-            var attachmentsResponse = attachmentsResponseTask.Result;
-            if (attachmentsResponse.IsSuccessStatusCode)
-            {
-                attachments = await attachmentsResponse.Content.ReadFromJsonAsync<List<FileAttachmentDto>>(Serialization.CaseInsensitive) ?? new();
-            }
-
             var usersResponse = usersResponseTask.Result;
             if (usersResponse.IsSuccessStatusCode)
             {
@@ -591,7 +486,7 @@
         }
     }
 
-    // ─── INLINE MUTATIONS ───────────────────────────────────────────────────
+    // ─── INLINE MUTATIONS ──────────────────────────────────────────────────────
 
     private async Task OnStatusChanged(ChangeEventArgs e)
     {
@@ -736,7 +631,7 @@
         isSavingTitle = false;
     }
 
-    // ─── COMMENTS ACTIONS ───────────────────────────────────────────────────
+    // ─── COMMENTS ACTIONS ──────────────────────────────────────────────────────
 
     private async Task PostComment()
     {
@@ -750,7 +645,7 @@
             var response = await client.PostAsJsonAsync($"TaskDetails/tasks/{TaskId}/comments", new CreateCommentDto { Message = newCommentMessage });
             var res = await response.Content.ReadFromJsonAsync<Result<CommentDto>>(Serialization.CaseInsensitive);
 
-            if (response.IsSuccessStatusCode && res != null && res.IsSuccess)
+            if (response.IsSuccessStatusCode && res != null && res.IsSuccess && res.Value != null)
             {
                 comments.Add(res.Value);
                 newCommentMessage = "";
@@ -798,75 +693,7 @@
         }
     }
 
-    // ─── ATTACHMENTS ACTIONS ────────────────────────────────────────────────
-
-    private async Task OnInputFileChange(InputFileChangeEventArgs e)
-    {
-        var file = e.File;
-        if (file == null) return;
-
-        isUploading = true;
-        uploadError = null;
-
-        try
-        {
-            var content = new MultipartFormDataContent();
-            var fileContent = new StreamContent(file.OpenReadStream(maxAllowedSize: 10 * 1024 * 1024));
-            fileContent.Headers.ContentType = new System.Net.Http.Headers.MediaTypeHeaderValue(file.ContentType);
-            content.Add(fileContent, "file", file.Name);
-
-            var client = ApiClient.CreateClient();
-            var response = await client.PostAsync($"TaskDetails/tasks/{TaskId}/attachments", content);
-            var res = await response.Content.ReadFromJsonAsync<Result<FileAttachmentDto>>(Serialization.CaseInsensitive);
-
-            if (response.IsSuccessStatusCode && res != null && res.IsSuccess)
-            {
-                attachments.Add(res.Value);
-                await JS.InvokeVoidAsync("initIcons");
-            }
-            else
-            {
-                uploadError = res?.ErrorMessage ?? "Failed to upload file.";
-            }
-        }
-        catch (Exception ex)
-        {
-            uploadError = ex.Message;
-        }
-        finally
-        {
-            isUploading = false;
-        }
-    }
-
-    private void ConfirmDeleteAttachment(long attachmentId)
-    {
-        confirmTitle = "Delete File?";
-        confirmMessage = "Are you sure you want to delete this file attachment?";
-        confirmAction = () => DeleteAttachment(attachmentId);
-        showConfirm = true;
-    }
-
-    private async Task DeleteAttachment(long attachmentId)
-    {
-        var client = ApiClient.CreateClient();
-        try
-        {
-            var response = await client.DeleteAsync($"TaskDetails/attachments/{attachmentId}");
-            var res = await response.Content.ReadFromJsonAsync<Result>(Serialization.CaseInsensitive);
-            if (response.IsSuccessStatusCode && res != null && res.IsSuccess)
-            {
-                var idx = attachments.FindIndex(f => f.Id == attachmentId);
-                if (idx >= 0) attachments.RemoveAt(idx);
-            }
-        }
-        catch (Exception ex)
-        {
-            Console.WriteLine($"Delete file error: {ex.Message}");
-        }
-    }
-
-    // ─── CONFIRM DIALOG LOGIC ───────────────────────────────────────────────
+    // ——— CONFIRM DIALOG LOGIC —————————————————————————————————————————————————
 
     private async Task ExecuteConfirmAction()
     {
@@ -884,7 +711,7 @@
         confirmAction = null;
     }
 
-    // ─── DISPLAY UTILITIES ──────────────────────────────────────────────────
+    // ——— DISPLAY UTILITIES ————————————————————————————————————————————————————
 
     private string GetStatusLabel(AppTaskStatus statusId) => statusId switch
     {
@@ -917,25 +744,4 @@
         TaskPriority.High => "bg-rose-50 text-rose-700 border border-rose-100",
         _ => "bg-slate-50 text-slate-600"
     };
-
-    private string GetFileIcon(string fileType)
-    {
-        if (fileType.StartsWith("image/", StringComparison.OrdinalIgnoreCase)) return "image";
-        if (fileType.Equals("application/pdf", StringComparison.OrdinalIgnoreCase)) return "file-text";
-        if (fileType.Contains("word") || fileType.Contains("officedocument.wordprocessingml")) return "file-text";
-        if (fileType.Contains("excel") || fileType.Contains("officedocument.spreadsheetml")) return "file-spreadsheet";
-        return "file";
-    }
-
-    private string FormatBytes(long bytes)
-    {
-        string[] suffix = { "B", "KB", "MB", "GB", "TB" };
-        int i;
-        double dblBytes = bytes;
-        for (i = 0; i < suffix.Length && bytes >= 1024; i++, bytes /= 1024)
-        {
-            dblBytes = bytes / 1024.0;
-        }
-        return $"{dblBytes:0.##} {suffix[i]}";
-    }
 }