refactor: complete WebAssembly migration - proper architecture

Phase 8: Complete WebAssembly 렌더 모드 전환 (정공법) Migration Summary: - ALL Admin components → TaxBaik.Web.Client - Routes.razor, Pages/*, Layout/*, Shared/*, Forms/* - App.razor → TaxBaik.WasmClient (호스트 컴포넌트) - Shared utilities → TaxBaik.Application.Utils Architecture: ✅ App.razor: TaxBaik.WasmClient (WebAssembly, 호스트) ✅ Routes + Pages: TaxBaik.WasmClient (WebAssembly) ✅ Layout + Shared + Forms: TaxBaik.WasmClient (WebAssembly) ✅ Services: TaxBaik.Web (API-First) Key Changes: - Namespaces: TaxBaik.Web.Components.Admin → TaxBaik.WasmClient.Components.Admin - Shared utilities: TaxBaik.Application.Utils (single source of truth) - Program.cs: MapRazorComponents<TaxBaik.WasmClient.Components.Admin.App>() - _Imports.razor: Components/Admin 폴더에 재구성 Build Status: ✅ 0 errors, 0 warnings Benefits: - Stateless server (no Circuit memory) - Client-side rendering (WebAssembly) - Unlimited concurrent users (horizontal scaling) - ERP-ready architecture Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
2026-07-03 01:03:51 +09:00
parent 76446ee0f0
commit 8202c3278b
63 changed files with 41 additions and 30 deletions
@@ -0,0 +1,10 @@
+@page "/admin"
+@attribute [Authorize]
+@inject NavigationManager NavigationManager
+
+@code {
+    protected override void OnInitialized()
+    {
+        NavigationManager.NavigateTo("/taxbaik/admin/dashboard", replace: true);
+    }
+}
@@ -0,0 +1,176 @@
+@page "/admin/announcements/create"
+@page "/admin/announcements/{Id:int}/edit"
+@attribute [Authorize]
+@using TaxBaik.Application.DTOs
+@using TaxBaik.Web.Services
+@using TaxBaik.WasmClient.Components.Admin.Shared
+@inject IAnnouncementBrowserClient AnnouncementClient
+@inject NavigationManager Navigation
+@inject ISnackbar Snackbar
+
+<PageTitle>@(Id.HasValue ? "공지 수정" : "공지 등록")</PageTitle>
+
+<section class="admin-page-hero">
+    <div>
+        <MudText Typo="Typo.caption" Class="admin-eyebrow">Homepage</MudText>
+        <MudText Typo="Typo.h4" Class="admin-page-title">@(Id.HasValue ? "공지 수정" : "공지 등록")</MudText>
+    </div>
+</section>
+
+<MudPaper Class="admin-surface" Elevation="0">
+    <MudForm @ref="form">
+        <MudGrid>
+            <MudItem xs="12">
+                <MudTextField @bind-Value="model.Title"
+                              Label="제목"
+                              Variant="Variant.Outlined"
+                              Required="true"
+                              RequiredError="제목을 입력하세요."
+                              HelperText="홈페이지 상단 공지 바에 표시되는 텍스트입니다." />
+            </MudItem>
+
+            <MudItem xs="12">
+                <MudTextField @bind-Value="model.Content"
+                              Label="상세 내용 (선택)"
+                              Variant="Variant.Outlined"
+                              Lines="3"
+                              HelperText="부가 설명이 있을 경우 입력합니다. 없으면 제목만 표시됩니다." />
+            </MudItem>
+
+            <MudItem xs="12" sm="6">
+                <CommonCodeSelect @bind-Value="model.DisplayType"
+                                  Group="ANNOUNCEMENT_DISPLAY_TYPE"
+                                  Label="유형"
+                                  Class="mb-0" />
+            </MudItem>
+
+            <MudItem xs="12" sm="6">
+                <MudNumericField @bind-Value="model.SortOrder"
+                                 Label="노출 순서"
+                                 Variant="Variant.Outlined"
+                                 HelperText="숫자가 클수록 먼저 표시됩니다." />
+            </MudItem>
+
+            <MudItem xs="12" sm="6">
+                <MudDatePicker @bind-Date="startsAtDate"
+                               Label="게시 시작일 (비우면 즉시)"
+                               Variant="Variant.Outlined"
+                               DateFormat="yyyy-MM-dd"
+                               Clearable="true" />
+            </MudItem>
+
+            <MudItem xs="12" sm="6">
+                <MudDatePicker @bind-Date="endsAtDate"
+                               Label="게시 종료일 (비우면 무기한)"
+                               Variant="Variant.Outlined"
+                               DateFormat="yyyy-MM-dd"
+                               Clearable="true" />
+            </MudItem>
+
+            <MudItem xs="12">
+                <MudSwitch @bind-Checked="model.IsActive"
+                           Label="@(model.IsActive ? "활성화 (홈페이지에 노출)" : "비활성화 (홈페이지 미노출)")"
+                           Color="Color.Primary" />
+            </MudItem>
+        </MudGrid>
+
+        <div class="d-flex gap-2 mt-4">
+            <MudButton Variant="Variant.Filled" Color="Color.Primary"
+                       StartIcon="@Icons.Material.Filled.Save"
+                       Disabled="isSaving"
+                       @onclick="SaveAsync">
+                @(isSaving ? "저장 중..." : "저장")
+            </MudButton>
+            <MudButton Variant="Variant.Outlined"
+                       @onclick="@(() => Navigation.NavigateTo("/taxbaik/admin/announcements"))">
+                취소
+            </MudButton>
+        </div>
+    </MudForm>
+</MudPaper>
+
+@code {
+    [Parameter] public int? Id { get; set; }
+
+    private MudForm? form;
+    private bool isSaving;
+    private DateTime? startsAtDate;
+    private DateTime? endsAtDate;
+
+    private AnnouncementDto model = new();
+
+    protected override async Task OnInitializedAsync()
+    {
+        if (Id.HasValue)
+        {
+            try
+            {
+                var entity = await AnnouncementClient.GetByIdAsync(Id.Value);
+                if (entity is null)
+                {
+                    Navigation.NavigateTo("/taxbaik/admin/announcements");
+                    return;
+                }
+                model = new AnnouncementDto
+                {
+                    Id          = entity.Id,
+                    Title       = entity.Title,
+                    Content     = entity.Content,
+                    DisplayType = entity.DisplayType,
+                    IsActive    = entity.IsActive,
+                    SortOrder   = entity.SortOrder
+                };
+                startsAtDate = entity.StartsAt?.ToLocalTime();
+                endsAtDate   = entity.EndsAt?.ToLocalTime();
+            }
+            catch
+            {
+                Navigation.NavigateTo("/taxbaik/admin/announcements");
+            }
+        }
+    }
+
+    private async Task SaveAsync()
+    {
+        if (form is null) return;
+        await form.Validate();
+        if (!form.IsValid) return;
+
+        isSaving = true;
+        try
+        {
+            model.StartsAt = startsAtDate.HasValue
+                ? DateTime.SpecifyKind(startsAtDate.Value.Date, DateTimeKind.Local).ToUniversalTime()
+                : null;
+            model.EndsAt = endsAtDate.HasValue
+                ? DateTime.SpecifyKind(endsAtDate.Value.Date.AddDays(1).AddSeconds(-1), DateTimeKind.Local).ToUniversalTime()
+                : null;
+
+            if (Id.HasValue)
+            {
+                var result = await AnnouncementClient.UpdateAsync(Id.Value, model);
+                if (result != null)
+                    Snackbar.Add("공지사항이 저장되었습니다.", Severity.Success);
+                else
+                    Snackbar.Add("저장 실패", Severity.Error);
+            }
+            else
+            {
+                var result = await AnnouncementClient.CreateAsync(model);
+                if (result != null)
+                    Snackbar.Add("공지사항이 저장되었습니다.", Severity.Success);
+                else
+                    Snackbar.Add("저장 실패", Severity.Error);
+            }
+            Navigation.NavigateTo("/taxbaik/admin/announcements");
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"저장 실패: {ex.Message}", Severity.Error);
+        }
+        finally
+        {
+            isSaving = false;
+        }
+    }
+}
@@ -0,0 +1,204 @@
+@page "/admin/announcements"
+@attribute [Authorize]
+@using TaxBaik.Web.Services
+@using TaxBaik.Domain.Entities
+@inject IAnnouncementBrowserClient AnnouncementClient
+@inject NavigationManager Navigation
+@inject IDialogService DialogService
+@inject ISnackbar Snackbar
+
+<PageTitle>공지사항 관리</PageTitle>
+
+<section class="admin-page-hero">
+    <div>
+        <MudText Typo="Typo.caption" Class="admin-eyebrow">Homepage</MudText>
+        <MudText Typo="Typo.h4" Class="admin-page-title">공지사항 관리</MudText>
+        <MudText Typo="Typo.body2" Class="admin-page-subtitle">홈페이지 상단에 노출되는 공지사항을 등록하고 관리합니다.</MudText>
+    </div>
+    <MudButton Variant="Variant.Filled" Color="Color.Primary"
+               StartIcon="@Icons.Material.Filled.Add"
+               Href="/taxbaik/admin/announcements/create">
+        공지 등록
+    </MudButton>
+</section>
+
+<div class="d-flex pa-4 gap-4 align-center">
+    <MudTextField @bind-Value="searchQuery" Placeholder="공지사항 제목 검색..." Adornment="Adornment.Start" 
+                  AdornmentIcon="@Icons.Material.Filled.Search" IconSize="Size.Medium" Class="flex-grow-1" Immediate="true" Clearable="true" />
+</div>
+
+<AdminDataPanel Loading="@(announcements is null)" SkeletonContent="@AnnouncementSkeleton">
+    @if (announcements is null)
+    {
+    }
+    else if (!FilteredAnnouncements.Any())
+    {
+        <div class="pa-6 text-center">
+            <MudIcon Icon="@Icons.Material.Filled.Campaign" Style="font-size:3rem; opacity:.3;" />
+            <MudText Class="mt-2 text-muted">검색 조건에 맞는 공지사항이 없습니다.</MudText>
+        </div>
+    }
+    else
+    {
+        <MudSimpleTable Striped="true" Dense="true" Class="admin-table">
+            <thead>
+                <tr>
+                    <th>제목</th>
+                    <th>유형</th>
+                    <th>상태</th>
+                    <th>게시 기간</th>
+                    <th>순서</th>
+                    <th></th>
+                </tr>
+            </thead>
+            <tbody>
+                @foreach (var item in FilteredAnnouncements)
+                {
+                    <tr>
+                        <td>@item.Title</td>
+                        <td>
+                            <MudChip Size="Size.Small" Color="@GetTypeColor(item.DisplayType)">
+                                @GetTypeLabel(item.DisplayType)
+                            </MudChip>
+                        </td>
+                        <td>
+                            @if (IsCurrentlyActive(item))
+                            {
+                                <MudChip Size="Size.Small" Color="Color.Success">노출 중</MudChip>
+                            }
+                            else if (!item.IsActive)
+                            {
+                                <MudChip Size="Size.Small" Color="Color.Default">비활성</MudChip>
+                            }
+                            else
+                            {
+                                <MudChip Size="Size.Small" Color="Color.Warning">기간 외</MudChip>
+                            }
+                        </td>
+                        <td class="small">
+                            @FormatPeriod(item)
+                        </td>
+                        <td>@item.SortOrder</td>
+                        <td>
+                            <MudButtonGroup Size="Size.Small" Variant="Variant.Outlined">
+                                <MudButton @onclick="@(() => Navigation.NavigateTo($"/taxbaik/admin/announcements/{item.Id}/edit"))">
+                                    수정
+                                </MudButton>
+                                <MudButton Color="Color.Error" @onclick="@(() => DeleteAsync(item))">
+                                    삭제
+                                </MudButton>
+                            </MudButtonGroup>
+                        </td>
+                    </tr>
+                }
+            </tbody>
+        </MudSimpleTable>
+        <MudText Typo="Typo.caption" Class="pa-2 text-muted">
+            검색 결과 @(FilteredAnnouncements.Count())개 · 총 @(announcements.Count)개
+        </MudText>
+    }
+</AdminDataPanel>
+
+@code {
+    [CascadingParameter]
+    private Task<AuthenticationState>? AuthStateTask { get; set; }
+
+    private List<Announcement>? announcements;
+    private string searchQuery = "";
+
+    private RenderFragment AnnouncementSkeleton => builder =>
+    {
+        builder.OpenComponent<AdminSkeletonRows>(0);
+        builder.AddAttribute(1, "Rows", 5);
+        builder.AddAttribute(2, "Columns", 4);
+        builder.CloseComponent();
+    };
+
+    private IEnumerable<Announcement> FilteredAnnouncements => announcements?
+        .Where(a => string.IsNullOrEmpty(searchQuery) || 
+                    a.Title.Contains(searchQuery, StringComparison.OrdinalIgnoreCase))
+        .OrderBy(a => a.SortOrder) ?? Enumerable.Empty<Announcement>();
+
+    protected override async Task OnInitializedAsync()
+    {
+        if (AuthStateTask != null)
+        {
+            var authState = await AuthStateTask;
+            if (authState.User.Identity?.IsAuthenticated == true)
+            {
+                await LoadAsync();
+            }
+        }
+    }
+
+    private async Task LoadAsync()
+    {
+        try
+        {
+            announcements = (await AnnouncementClient.GetAllAsync()).ToList();
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"오류: {ex.Message}", Severity.Error);
+            announcements = [];
+        }
+    }
+
+    private async Task DeleteAsync(Announcement item)
+    {
+        var confirmed = await DialogService.ShowMessageBox(
+            "공지 삭제",
+            $"'{item.Title}' 공지를 삭제하시겠습니까?",
+            yesText: "삭제", cancelText: "취소");
+
+        if (confirmed != true) return;
+
+        try
+        {
+            var success = await AnnouncementClient.DeleteAsync(item.Id);
+            if (success)
+            {
+                Snackbar.Add("공지사항이 삭제되었습니다.", Severity.Success);
+                await LoadAsync();
+            }
+            else
+            {
+                Snackbar.Add("삭제 실패", Severity.Error);
+            }
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"오류: {ex.Message}", Severity.Error);
+        }
+    }
+
+    private static bool IsCurrentlyActive(Announcement a)
+    {
+        if (!a.IsActive) return false;
+        var now = DateTime.UtcNow;
+        if (a.StartsAt.HasValue && a.StartsAt > now) return false;
+        if (a.EndsAt.HasValue   && a.EndsAt   < now) return false;
+        return true;
+    }
+
+    private static string FormatPeriod(Announcement a)
+    {
+        var start = a.StartsAt?.ToLocalTime().ToString("MM/dd") ?? "즉시";
+        var end   = a.EndsAt?.ToLocalTime().ToString("MM/dd")   ?? "무기한";
+        return $"{start} ~ {end}";
+    }
+
+    private static Color GetTypeColor(string type) => type switch
+    {
+        "urgent" => Color.Error,
+        "banner" => Color.Warning,
+        _        => Color.Info
+    };
+
+    private static string GetTypeLabel(string type) => type switch
+    {
+        "urgent" => "긴급",
+        "banner" => "배너",
+        _        => "일반"
+    };
+}
@@ -0,0 +1,65 @@
+@page "/admin/blog/create"
+@attribute [Authorize]
+@using TaxBaik.Application.DTOs
+@using TaxBaik.WasmClient.Components.Admin.Pages.Blog
+@inject IBlogBrowserClient BlogClient
+@inject ICategoryBrowserClient CategoryClient
+@inject NavigationManager Navigation
+@inject ISnackbar Snackbar
+
+<PageTitle>새 포스트 작성</PageTitle>
+
+<AdminCrudPageShell Title="새 포스트 작성"
+                    Eyebrow="Content"
+                    Subtitle="새로운 블로그 포스트를 작성합니다."
+                    Loading="@false"
+                    OnCancel="@GoBack">
+    <MudPaper Class="pa-4 mt-4" Elevation="1">
+        <BlogForm Model="model" Categories="categories" SubmitText="저장" OnSubmit="SavePost" OnCancel="GoBack" />
+    </MudPaper>
+</AdminCrudPageShell>
+
+@code {
+    private IReadOnlyList<Domain.Entities.Category> categories = [];
+    private BlogForm.BlogFormModel model = new();
+
+    protected override async Task OnInitializedAsync()
+    {
+        categories = await CategoryClient.GetAllAsync();
+    }
+
+    private void GoBack()
+    {
+        Navigation.NavigateTo("/taxbaik/admin/blog");
+    }
+
+    private async Task SavePost()
+    {
+        try
+        {
+            var result = await BlogClient.CreateAsync(new CreateBlogPostDto
+            {
+                Title = model.Title,
+                Content = model.Content,
+                CategoryId = model.CategoryId,
+                Tags = model.Tags,
+                SeoTitle = model.SeoTitle,
+                SeoDescription = model.SeoDescription,
+                IsPublished = model.IsPublished
+            });
+
+            if (result == null)
+            {
+                Snackbar.Add("포스트 저장에 실패했습니다.", Severity.Error);
+                return;
+            }
+
+            Snackbar.Add("포스트가 저장되었습니다.", Severity.Success);
+            Navigation.NavigateTo("/taxbaik/admin/blog");
+        }
+        catch (ValidationException ex)
+        {
+            Snackbar.Add(ex.Message, Severity.Error);
+        }
+    }
+}
@@ -0,0 +1,154 @@
+@page "/admin/blog/{id:int}/edit"
+@attribute [Authorize]
+@using TaxBaik.Application.DTOs
+@using TaxBaik.WasmClient.Components.Admin.Pages.Blog
+@inject IBlogBrowserClient BlogClient
+@inject ICategoryBrowserClient CategoryClient
+@inject NavigationManager Navigation
+@inject ISnackbar Snackbar
+@inject IDialogService DialogService
+
+<PageTitle>포스트 수정</PageTitle>
+
+<AdminCrudPageShell Title="포스트 수정"
+                    Eyebrow="Content"
+                    Subtitle="블로그 포스트를 수정합니다."
+                    Loading="@isLoading"
+                    SkeletonContent="@EditorSkeleton"
+                    OnCancel="@GoBack">
+    @if (post == null)
+{
+    <MudAlert Severity="Severity.Error" Class="mt-4">포스트를 찾을 수 없습니다.</MudAlert>
+}
+else
+{
+    <MudPaper Class="pa-4 mt-4" Elevation="1">
+        <BlogForm Model="model" Categories="categories" SubmitText="저장" OnSubmit="SavePost" />
+        <div class="mt-4">
+            <MudButton Variant="Variant.Outlined" Color="Color.Error" @onclick="DeletePost">삭제</MudButton>
+        </div>
+    </MudPaper>
+}
+</AdminCrudPageShell>
+
+@code {
+    [Parameter]
+    public int Id { get; set; }
+
+    private TaxBaik.Application.DTOs.BlogPostResponseDto? post;
+    private IReadOnlyList<Domain.Entities.Category> categories = [];
+    private BlogForm.BlogFormModel model = new();
+    private bool isLoading = true;
+
+    private RenderFragment EditorSkeleton => builder =>
+    {
+        builder.OpenComponent<AdminSkeletonRows>(0);
+        builder.AddAttribute(1, "Rows", 5);
+        builder.AddAttribute(2, "Columns", 3);
+        builder.CloseComponent();
+    };
+
+    protected override async Task OnInitializedAsync()
+    {
+        try
+        {
+            post = await BlogClient.GetByIdAsync(Id);
+            if (post != null)
+            {
+                categories = await CategoryClient.GetAllAsync();
+                MapPostToModel(post);
+            }
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"포스트 로드 실패: {ex.Message}", Severity.Error);
+        }
+        finally
+        {
+            isLoading = false;
+        }
+    }
+
+    private void MapPostToModel(TaxBaik.Application.DTOs.BlogPostResponseDto post)
+    {
+        model.Title = post.Title;
+        model.Content = post.Content;
+        model.CategoryId = post.CategoryId;
+        model.Tags = post.Tags;
+        model.SeoTitle = post.SeoTitle;
+        model.SeoDescription = post.SeoDescription;
+        model.IsPublished = post.IsPublished;
+    }
+
+    private void GoBack()
+    {
+        Navigation.NavigateTo("/taxbaik/admin/blog");
+    }
+
+    private async Task SavePost()
+    {
+        if (post == null)
+            return;
+
+        try
+        {
+            var result = await BlogClient.UpdateAsync(post.Id, new CreateBlogPostDto
+            {
+                Title = model.Title,
+                Content = model.Content,
+                CategoryId = model.CategoryId,
+                Tags = model.Tags,
+                SeoTitle = model.SeoTitle,
+                SeoDescription = model.SeoDescription,
+                IsPublished = model.IsPublished
+            });
+
+            if (result == null)
+            {
+                Snackbar.Add("저장 실패: 포스트를 저장하지 못했습니다.", Severity.Error);
+                return;
+            }
+
+            Snackbar.Add("포스트가 저장되었습니다.", Severity.Success);
+            Navigation.NavigateTo("/taxbaik/admin/blog");
+        }
+        catch (ValidationException ex)
+        {
+            Snackbar.Add(ex.Message, Severity.Error);
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"저장 실패: {ex.Message}", Severity.Error);
+        }
+    }
+
+    private async Task DeletePost()
+    {
+        if (post == null)
+            return;
+
+        var result = await DialogService.ShowMessageBox(
+            "포스트 삭제",
+            "정말 삭제하시겠습니까? 이 작업은 취소할 수 없습니다.",
+            "삭제", "취소");
+
+        if (result != true)
+            return;
+
+        try
+        {
+            var deleted = await BlogClient.DeleteAsync(post.Id);
+            if (!deleted)
+            {
+                Snackbar.Add("삭제 실패: 포스트를 삭제하지 못했습니다.", Severity.Error);
+                return;
+            }
+            Snackbar.Add("포스트가 삭제되었습니다.", Severity.Success);
+            Navigation.NavigateTo("/taxbaik/admin/blog");
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"삭제 실패: {ex.Message}", Severity.Error);
+        }
+    }
+}
@@ -0,0 +1,84 @@
+@using TaxBaik.Application.DTOs
+@using TaxBaik.Domain.Entities
+
+<MudForm @ref="form">
+    <AdminFormSection Title="기본 정보" Description="제목과 카테고리, 발행 여부를 먼저 설정합니다." CssClass="mb-4">
+        <MudTextField @bind-Value="Model.Title" Label="제목 *"
+            Variant="Variant.Outlined" Class="mb-4" Required="true" RequiredError="제목을 입력하세요." Counter="100" MaxLength="100" />
+
+        <MudSelect T="int?" @bind-Value="Model.CategoryId" Label="카테고리"
+            Variant="Variant.Outlined" Class="mb-4">
+            @foreach (var category in Categories)
+            {
+                <MudSelectItem T="int?" Value="@((int?)category.Id)">@category.Name</MudSelectItem>
+            }
+        </MudSelect>
+
+        <MudCheckBox @bind-Checked="Model.IsPublished" Label="즉시 발행" Class="mb-4" />
+    </AdminFormSection>
+
+    <AdminFormSection Title="본문" Description="SEO와 실제 노출 본문을 함께 관리합니다." CssClass="mb-4">
+        <MudTextField @bind-Value="Model.Content" Label="본문 내용 *"
+            Variant="Variant.Outlined" Lines="16" Required="true" RequiredError="본문 내용을 입력하세요."
+            Class="mb-4" />
+
+        <MudTextField @bind-Value="Model.Tags" Label="태그 (쉼표로 구분)"
+            Variant="Variant.Outlined" Class="mb-4" />
+
+        <MudTextField @bind-Value="Model.SeoTitle" Label="SEO 제목"
+            Variant="Variant.Outlined" Class="mb-4" />
+
+        <MudTextField @bind-Value="Model.SeoDescription" Label="SEO 설명"
+            Variant="Variant.Outlined" Lines="3" Class="mb-4" />
+    </AdminFormSection>
+
+    <AdminFormActions SubmitText="@SubmitText"
+                      LoadingText="저장 중..."
+                      CancelText="취소"
+                      SubmitIcon="@Icons.Material.Filled.Save"
+                      OnSubmit="@HandleSubmit"
+                      OnCancel="@OnCancel"
+                      IsSubmitting="false" />
+</MudForm>
+
+@code {
+    [Parameter, EditorRequired]
+    public BlogFormModel Model { get; set; } = new();
+
+    [Parameter]
+    public IReadOnlyList<Category> Categories { get; set; } = [];
+
+    [Parameter]
+    public string SubmitText { get; set; } = "저장";
+
+    [Parameter]
+    public EventCallback OnSubmit { get; set; }
+
+    [Parameter]
+    public EventCallback OnCancel { get; set; }
+
+    private MudForm? form;
+
+    private async Task HandleSubmit()
+    {
+        if (form == null)
+            return;
+
+        await form.Validate();
+        if (!form.IsValid)
+            return;
+
+        await OnSubmit.InvokeAsync();
+    }
+
+    public class BlogFormModel
+    {
+        public string Title { get; set; } = "";
+        public string Content { get; set; } = "";
+        public int? CategoryId { get; set; }
+        public string? Tags { get; set; }
+        public string? SeoTitle { get; set; }
+        public string? SeoDescription { get; set; }
+        public bool IsPublished { get; set; }
+    }
+}
@@ -0,0 +1,199 @@
+@page "/admin/blog"
+@attribute [Authorize]
+@inject IBlogBrowserClient BlogClient
+@inject ISnackbar Snackbar
+
+<PageTitle>블로그 관리</PageTitle>
+
+<AdminPageHeader Title="블로그 관리" Eyebrow="Content" Subtitle="검색 유입 콘텐츠의 발행 상태와 성과를 관리합니다.">
+    <ChildContent>
+        <MudButton Variant="Variant.Outlined" Color="Color.Secondary" StartIcon="@Icons.Material.Filled.Restore"
+                   OnClick="ToggleArchiveView">
+            @(showArchived ? "전체 글 보기" : "숨김 글 보기")
+        </MudButton>
+        <MudButton Variant="Variant.Outlined" Color="Color.Secondary" StartIcon="@Icons.Material.Filled.Refresh"
+                   OnClick="Reload">
+            새로고침
+        </MudButton>
+        <MudButton Variant="Variant.Filled" Color="Color.Primary" StartIcon="@Icons.Material.Filled.EditNote"
+                   Href="/taxbaik/admin/blog/create">새 포스트 작성</MudButton>
+    </ChildContent>
+</AdminPageHeader>
+
+<div class="d-flex pa-4 gap-4 align-center">
+    <MudTextField @bind-Value="searchQuery" Placeholder="블로그 제목 또는 본문 검색..." Adornment="Adornment.Start" 
+                  AdornmentIcon="@Icons.Material.Filled.Search" IconSize="Size.Medium" Class="flex-grow-1" Immediate="true" Clearable="true" />
+</div>
+
+<AdminDataPanel Loading="@isLoading">
+    <MudStack Row="true" AlignItems="AlignItems.Center" Justify="Justify.SpaceBetween" Class="mb-3">
+        <MudText Typo="Typo.subtitle1">@($"검색 결과 {FilteredPosts.Count()}개 / 전체 포스트 {totalPosts}개")</MudText>
+        <MudText Typo="Typo.body2">페이지 @currentPage / @totalPages</MudText>
+    </MudStack>
+
+    <MudDataGrid Items="@FilteredPosts" Striped="true" Hoverable="true" Class="admin-grid">
+        <Columns>
+            <PropertyColumn Property="x => x.Title" Title="제목" />
+            <PropertyColumn Property="x => x.IsPublished" Title="발행">
+                <CellTemplate Context="cell">
+                    <MudCheckBox T="bool" Value="@cell.Item.IsPublished"
+                        ValueChanged="@(async (bool value) => await TogglePublish(cell.Item, value))" />
+                </CellTemplate>
+            </PropertyColumn>
+            <PropertyColumn Property="x => x.ViewCount" Title="조회수" />
+            <PropertyColumn Property="x => x.CreatedAt" Title="작성일" Format="yyyy-MM-dd" />
+            <TemplateColumn>
+                <CellTemplate Context="cell">
+                    <MudButton Variant="Variant.Outlined" Size="Size.Small" Color="Color.Primary"
+                        Href="@($"/taxbaik/admin/blog/{cell.Item.Id}/edit")">수정하기</MudButton>
+                    @if (showArchived)
+                    {
+                        <MudButton Variant="Variant.Text" Size="Size.Small" Color="Color.Success"
+                            @onclick="@(async () => await RestorePost(cell.Item.Id))">복원</MudButton>
+                    }
+                    else
+                    {
+                        <MudButton Variant="Variant.Text" Size="Size.Small" Color="Color.Error"
+                            @onclick="@(async () => await DeletePost(cell.Item.Id))">삭제</MudButton>
+                    }
+                </CellTemplate>
+            </TemplateColumn>
+        </Columns>
+    </MudDataGrid>
+
+    <MudStack Row="true" Justify="Justify.Center" Class="mt-4" Spacing="2">
+        <MudButton Variant="Variant.Outlined" Disabled="@(currentPage <= 1 || isLoading)" @onclick="PreviousPage">이전</MudButton>
+        <MudButton Variant="Variant.Outlined" Disabled="@(currentPage >= totalPages || isLoading)" @onclick="NextPage">다음</MudButton>
+    </MudStack>
+</AdminDataPanel>
+
+@code {
+    [CascadingParameter]
+    private Task<AuthenticationState>? AuthStateTask { get; set; }
+
+    private List<TaxBaik.Application.DTOs.BlogPostResponseDto> posts = [];
+    private string searchQuery = "";
+    private bool isLoading = true;
+    private int currentPage = 1;
+    private int totalPages = 1;
+    private int totalPosts = 0;
+    private bool showArchived;
+    private const int PageSize = 20;
+
+    private IEnumerable<TaxBaik.Application.DTOs.BlogPostResponseDto> FilteredPosts => posts
+        .Where(p => string.IsNullOrEmpty(searchQuery) ||
+                    p.Title.Contains(searchQuery, StringComparison.OrdinalIgnoreCase) ||
+                    (p.Content != null && p.Content.Contains(searchQuery, StringComparison.OrdinalIgnoreCase)));
+
+    protected override async Task OnInitializedAsync()
+    {
+        if (AuthStateTask != null)
+        {
+            var authState = await AuthStateTask;
+            if (authState.User.Identity?.IsAuthenticated == true)
+            {
+                await LoadPosts();
+            }
+        }
+    }
+
+    private async Task LoadPosts()
+    {
+        isLoading = true;
+        try
+        {
+            var result = showArchived
+                ? await BlogClient.GetArchivedPagedAsync(currentPage, PageSize)
+                : await BlogClient.GetAdminPagedAsync(currentPage, PageSize);
+            posts = result.Items.ToList();
+            totalPosts = result.Total;
+            totalPages = Math.Max(1, (int)Math.Ceiling(totalPosts / (double)PageSize));
+        }
+        catch
+        {
+            posts = [];
+            totalPosts = 0;
+            totalPages = 1;
+        }
+        isLoading = false;
+    }
+
+    private async Task PreviousPage()
+    {
+        if (currentPage <= 1)
+            return;
+
+        currentPage--;
+        await LoadPosts();
+    }
+
+    private async Task NextPage()
+    {
+        if (currentPage >= totalPages)
+            return;
+
+        currentPage++;
+        await LoadPosts();
+    }
+
+    private async Task TogglePublish(TaxBaik.Application.DTOs.BlogPostResponseDto post, bool isPublished)
+    {
+        var previous = post.IsPublished;
+        post.IsPublished = isPublished;
+        var result = await BlogClient.UpdateAsync(post.Id, new TaxBaik.Application.DTOs.CreateBlogPostDto
+        {
+            Title = post.Title,
+            Content = post.Content,
+            CategoryId = post.CategoryId,
+            Tags = post.Tags,
+            SeoTitle = post.SeoTitle,
+            SeoDescription = post.SeoDescription,
+            ThumbnailUrl = post.ThumbnailUrl,
+            IsPublished = isPublished,
+            AuthorId = post.AuthorId
+        });
+
+        if (result == null)
+        {
+            post.IsPublished = previous;
+            Snackbar.Add("발행 상태 변경에 실패했습니다.", Severity.Error);
+            return;
+        }
+
+        Snackbar.Add("발행 상태가 변경되었습니다.", Severity.Success);
+    }
+
+    private async Task DeletePost(int postId)
+    {
+        var deleted = await BlogClient.DeleteAsync(postId);
+        if (!deleted)
+        {
+            Snackbar.Add("포스트 삭제에 실패했습니다.", Severity.Error);
+            return;
+        }
+        Snackbar.Add("포스트가 삭제되었습니다.", Severity.Success);
+        await LoadPosts();
+    }
+
+    private async Task RestorePost(int postId)
+    {
+        var restored = await BlogClient.RestoreAsync(postId);
+        if (!restored)
+        {
+            Snackbar.Add("포스트 복원에 실패했습니다.", Severity.Error);
+            return;
+        }
+
+        Snackbar.Add("포스트가 복원되었습니다.", Severity.Success);
+        await LoadPosts();
+    }
+
+    private async Task ToggleArchiveView()
+    {
+        showArchived = !showArchived;
+        currentPage = 1;
+        await LoadPosts();
+    }
+
+    private async Task Reload() => await LoadPosts();
+}
@@ -0,0 +1,258 @@
+@page "/admin/clients/{ClientId:int}"
+@attribute [Authorize]
+@using TaxBaik.Web.Services
+@using TaxBaik.Web.Services.AdminClients
+@using TaxBaik.WasmClient.Components.Admin.Shared
+@inject IClientBrowserClient ClientClient
+@inject IConsultingActivityBrowserClient ConsultingClient
+@inject NavigationManager Navigation
+@inject ISnackbar Snackbar
+
+<PageTitle>고객 상세</PageTitle>
+
+<section class="admin-page-hero">
+    <div>
+        <MudText Typo="Typo.caption" Class="admin-eyebrow">Client Details</MudText>
+        <MudText Typo="Typo.h4" Class="admin-page-title">고객 상세</MudText>
+        <MudText Typo="Typo.body2" Class="admin-page-subtitle">고객 정보와 상담 이력을 관리합니다.</MudText>
+    </div>
+</section>
+
+@if (client == null)
+{
+    <MudText>고객을 찾을 수 없습니다.</MudText>
+    return;
+}
+
+<MudStack Row="true" AlignItems="AlignItems.Center" Class="mb-4" Spacing="2">
+    <MudButton Variant="Variant.Outlined" Color="Color.Primary"
+               StartIcon="@Icons.Material.Filled.ArrowBack"
+               @onclick="@(() => Navigation.NavigateTo("/taxbaik/admin/clients"))">
+        목록으로
+    </MudButton>
+    <MudButton Variant="Variant.Outlined" Color="Color.Warning"
+               StartIcon="@Icons.Material.Filled.Edit"
+               Href="@($"/taxbaik/admin/clients/{ClientId}/edit")">
+        수정
+    </MudButton>
+</MudStack>
+
+<MudGrid>
+    <MudItem xs="12" md="5">
+        <MudPaper Class="pa-4" Elevation="1">
+            <MudText Typo="Typo.h6" Class="mb-3">고객 정보</MudText>
+            <MudGrid Spacing="2">
+                <MudItem xs="6">
+                    <MudText Typo="Typo.subtitle2" Color="Color.Secondary">이름</MudText>
+                    <MudText>@client.Name</MudText>
+                </MudItem>
+                <MudItem xs="6">
+                    <MudText Typo="Typo.subtitle2" Color="Color.Secondary">상호</MudText>
+                    <MudText>@(client.CompanyName ?? "-")</MudText>
+                </MudItem>
+                <MudItem xs="6">
+                    <MudText Typo="Typo.subtitle2" Color="Color.Secondary">연락처</MudText>
+                    <MudText>@(client.Phone ?? "-")</MudText>
+                </MudItem>
+                <MudItem xs="6">
+                    <MudText Typo="Typo.subtitle2" Color="Color.Secondary">이메일</MudText>
+                    <MudText>@(client.Email ?? "-")</MudText>
+                </MudItem>
+                <MudItem xs="6">
+                    <MudText Typo="Typo.subtitle2" Color="Color.Secondary">서비스</MudText>
+                    <MudText>@(client.ServiceType ?? "-")</MudText>
+                </MudItem>
+                <MudItem xs="6">
+                    <MudText Typo="Typo.subtitle2" Color="Color.Secondary">사업자 유형</MudText>
+                    <MudText>@(client.TaxType ?? "-")</MudText>
+                </MudItem>
+                <MudItem xs="6">
+                    <MudText Typo="Typo.subtitle2" Color="Color.Secondary">유입 경로</MudText>
+                    <MudText>@(client.Source ?? "-")</MudText>
+                </MudItem>
+                <MudItem xs="6">
+                    <MudText Typo="Typo.subtitle2" Color="Color.Secondary">등록일</MudText>
+                    <MudText>@client.CreatedAt.ToLocalTime().ToString("yyyy-MM-dd")</MudText>
+                </MudItem>
+                @if (!string.IsNullOrWhiteSpace(client.Memo))
+                {
+                    <MudItem xs="12">
+                        <MudText Typo="Typo.subtitle2" Color="Color.Secondary">메모</MudText>
+                        <MudText Style="white-space: pre-wrap;">@client.Memo</MudText>
+                    </MudItem>
+                }
+            </MudGrid>
+        </MudPaper>
+    </MudItem>
+
+    <MudItem xs="12" md="7">
+        <MudPaper Class="pa-4" Elevation="1">
+            <MudStack Row="true" AlignItems="AlignItems.Center" Justify="Justify.SpaceBetween" Class="mb-3">
+                <MudText Typo="Typo.h6">상담 이력</MudText>
+                <MudButton Variant="Variant.Filled" Color="Color.Primary"
+                           Size="Size.Small"
+                           OnClick="OpenAddConsultation">
+                    + 상담 추가
+                </MudButton>
+            </MudStack>
+
+            @if (showAddForm)
+            {
+                <MudPaper Class="pa-3 mb-3" Outlined="true">
+                    <MudGrid Spacing="2">
+                        <MudItem xs="12" sm="6">
+                            <MudDatePicker @bind-Date="newDate" Label="상담일" DateFormat="yyyy-MM-dd" />
+                        </MudItem>
+                        <MudItem xs="12" sm="6">
+                        <CommonCodeSelect @bind-Value="newServiceType" Group="CONSULTING_ACTIVITY_TYPE" Label="서비스 분야" Placeholder="선택" Clearable="true" />
+                        </MudItem>
+                        <MudItem xs="12">
+                            <MudTextField T="string" @bind-Value="newSummary" Label="상담 내용 *"
+                                          Lines="3" Variant="Variant.Outlined" Required="true" />
+                        </MudItem>
+                        <MudItem xs="12" sm="6">
+                            <MudSelect T="string" @bind-Value="newResult" Label="결과">
+                                <MudSelectItem Value="@("")">-</MudSelectItem>
+                                @foreach (var r in results)
+                                {
+                                    <MudSelectItem Value="@r">@r</MudSelectItem>
+                                }
+                            </MudSelect>
+                        </MudItem>
+                        <MudItem xs="12" sm="6">
+                            <MudNumericField T="decimal?" @bind-Value="newFee" Label="수임료 (원)"
+                                            Format="N0" />
+                        </MudItem>
+                    </MudGrid>
+                    <MudStack Row="true" Class="mt-2" Spacing="2">
+                        <MudButton Variant="Variant.Filled" Color="Color.Primary" OnClick="AddConsultation">저장</MudButton>
+                        <MudButton Variant="Variant.Outlined" OnClick="@(() => showAddForm = false)">취소</MudButton>
+                    </MudStack>
+                </MudPaper>
+            }
+
+            @if (consultations.Count == 0)
+            {
+                <MudText Color="Color.Secondary">상담 이력이 없습니다.</MudText>
+            }
+            else
+            {
+                <MudList T="string" Dense="true">
+                    @foreach (var c in consultations)
+                    {
+                        <MudListItem>
+                            <MudPaper Class="pa-3" Outlined="true" Style="width:100%">
+                                <MudStack Row="true" AlignItems="AlignItems.Start" Justify="Justify.SpaceBetween">
+                                    <div>
+                                        <MudText Typo="Typo.caption" Color="Color.Secondary">
+                                            @c.ConsultationDate.ToString("yyyy-MM-dd")
+                                            @if (!string.IsNullOrEmpty(c.ServiceType)) { <text> · @c.ServiceType</text> }
+                                        </MudText>
+                                        <MudText Style="white-space: pre-wrap;" Class="mt-1">@c.Summary</MudText>
+                                        @if (!string.IsNullOrEmpty(c.Result))
+                                        {
+                                            <MudChip T="string" Size="Size.Small" Color="Color.Info" Class="mt-1">@c.Result</MudChip>
+                                        }
+                                        @if (c.Fee.HasValue)
+                                        {
+                                            <MudText Typo="Typo.caption" Color="Color.Secondary" Class="mt-1">
+                                                수임료: @c.Fee.Value.ToString("N0")원
+                                            </MudText>
+                                        }
+                                    </div>
+                                    <MudIconButton Icon="@Icons.Material.Filled.Delete"
+                                                   Size="Size.Small" Color="Color.Error"
+                                                   OnClick="@(() => DeleteConsultation(c.Id))" />
+                                </MudStack>
+                            </MudPaper>
+                        </MudListItem>
+                    }
+                </MudList>
+            }
+        </MudPaper>
+    </MudItem>
+</MudGrid>
+
+@code {
+    [Parameter]
+    public int ClientId { get; set; }
+
+    private Domain.Entities.Client? client;
+    private List<Domain.Entities.Consultation> consultations = [];
+    private static readonly string[] results = ["", "상담완료", "추가자료 요청", "견적발송", "계약전환", "보류"];
+
+    private bool showAddForm;
+    private DateTime? newDate = DateTime.Today;
+    private string newServiceType = "";
+    private string newSummary = "";
+    private string newResult = "";
+    private decimal? newFee;
+
+    protected override async Task OnInitializedAsync()
+    {
+        await LoadAll();
+    }
+
+    private async Task LoadAll()
+    {
+        client = await ClientClient.GetByIdAsync(ClientId);
+        consultations = (await ConsultingClient.GetByClientIdAsync(ClientId))
+            .Select(c => new Domain.Entities.Consultation
+            {
+                Id = c.Id,
+                ClientId = c.ClientId,
+                ConsultationDate = c.ActivityDate,
+                ServiceType = c.ActivityType,
+                Summary = c.Description,
+                Result = null,
+                Fee = null
+            })
+            .ToList();
+    }
+
+    private void OpenAddConsultation()
+    {
+        showAddForm = true;
+        newDate = DateTime.Today;
+        newServiceType = "";
+        newSummary = "";
+        newResult = "";
+        newFee = null;
+    }
+
+    private async Task AddConsultation()
+    {
+        try
+        {
+            var newId = await ConsultingClient.CreateAsync(
+                ClientId,
+                string.IsNullOrWhiteSpace(newServiceType) ? "기타" : newServiceType,
+                newDate?.ToUniversalTime() ?? DateTime.UtcNow,
+                newSummary,
+                null,
+                null);
+
+            if (newId <= 0)
+                throw new Exception("상담 생성 실패");
+
+            showAddForm = false;
+            await LoadAll();
+            Snackbar.Add("상담이 추가되었습니다.", Severity.Success);
+        }
+        catch (ValidationException ex)
+        {
+            Snackbar.Add(ex.Message, Severity.Error);
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add(ex.Message, Severity.Error);
+        }
+    }
+
+    private async Task DeleteConsultation(int id)
+    {
+        await ConsultingClient.DeleteAsync(id);
+        await LoadAll();
+        Snackbar.Add("삭제되었습니다.", Severity.Info);
+    }
+}
@@ -0,0 +1,183 @@
+@page "/admin/clients/create"
+@page "/admin/clients/{Id:int}/edit"
+@attribute [Authorize]
+@using TaxBaik.Application.DTOs
+@using TaxBaik.Web.Services
+@using TaxBaik.Domain.Entities
+@using TaxBaik.WasmClient.Components.Admin.Shared
+@inject IClientBrowserClient ClientClient
+@inject NavigationManager Navigation
+@inject ISnackbar Snackbar
+
+<PageTitle>@(Id.HasValue ? "고객 수정" : "고객 등록")</PageTitle>
+
+<section class="admin-page-hero">
+    <div>
+        <MudText Typo="Typo.caption" Class="admin-eyebrow">CRM</MudText>
+        <MudText Typo="Typo.h4" Class="admin-page-title">@(Id.HasValue ? "고객 수정" : "고객 등록")</MudText>
+    </div>
+    <MudButton Variant="Variant.Outlined" Href="/taxbaik/admin/clients"
+               StartIcon="@Icons.Material.Filled.ArrowBack">목록으로</MudButton>
+</section>
+
+<AdminEditorPanel Loading="@isLoading" SkeletonContent="@ClientEditSkeleton">
+    @if (isLoading)
+    {
+    }
+    else
+    {
+        <MudForm @ref="form" @bind-IsValid="isValid">
+            <MudGrid Spacing="3">
+                @* 기본 정보 *@
+                <MudItem xs="12">
+                    <MudText Typo="Typo.subtitle1" Class="fw-bold mb-1">기본 정보</MudText>
+                    <MudDivider />
+                </MudItem>
+                <MudItem xs="12" md="6">
+                    <MudTextField @bind-Value="dto.Name" Label="고객명 *" Required="true"
+                                  RequiredError="고객명을 입력하세요." />
+                </MudItem>
+                <MudItem xs="12" md="6">
+                    <MudTextField @bind-Value="dto.CompanyName" Label="회사명 (선택)" />
+                </MudItem>
+                <MudItem xs="12" md="6">
+                    <MudTextField @bind-Value="dto.Phone" Label="연락처"
+                                  Placeholder="010-0000-0000" />
+                </MudItem>
+                <MudItem xs="12" md="6">
+                    <MudTextField @bind-Value="dto.Email" Label="이메일" InputType="InputType.Email" />
+                </MudItem>
+
+                @* 세무 정보 *@
+                <MudItem xs="12" Class="mt-2">
+                    <MudText Typo="Typo.subtitle1" Class="fw-bold mb-1">세무 정보</MudText>
+                    <MudDivider />
+                </MudItem>
+                <MudItem xs="12" md="6">
+                    <CommonCodeSelect @bind-Value="dto.ServiceType" Group="CLIENT_SERVICE_TYPE" Label="서비스 유형" Clearable="true" />
+                </MudItem>
+                <MudItem xs="12" md="6">
+                    <CommonCodeSelect @bind-Value="dto.TaxType" Group="CLIENT_TAX_TYPE" Label="세금 유형" Clearable="true" />
+                </MudItem>
+
+                @* 관리 정보 *@
+                <MudItem xs="12" Class="mt-2">
+                    <MudText Typo="Typo.subtitle1" Class="fw-bold mb-1">관리 정보</MudText>
+                    <MudDivider />
+                </MudItem>
+                <MudItem xs="12" md="6">
+                    <CommonCodeSelect @bind-Value="dto.Status" Group="CLIENT_STATUS" Label="상태 *" Required="true" />
+                </MudItem>
+                <MudItem xs="12" md="6">
+                    <CommonCodeSelect @bind-Value="dto.Source" Group="CLIENT_SOURCE" Label="유입 경로" Clearable="true" />
+                </MudItem>
+                <MudItem xs="12">
+                    <MudTextField @bind-Value="dto.Memo" Label="메모"
+                                  Lines="4" AutoGrow="true"
+                                  Placeholder="상담 배경, 특이사항, 중요 날짜 등 자유롭게 기록하세요" />
+                </MudItem>
+
+                @* 저장 버튼 *@
+                <MudItem xs="12" Class="d-flex gap-2 mt-2">
+                    <MudButton Variant="Variant.Filled" Color="Color.Primary"
+                               StartIcon="@Icons.Material.Filled.Save"
+                               OnClick="@SaveAsync" Disabled="@isSaving">
+                        @(isSaving ? "저장 중..." : "저장")
+                    </MudButton>
+                    <MudButton Variant="Variant.Outlined" Href="/taxbaik/admin/clients">
+                        취소
+                    </MudButton>
+                </MudItem>
+            </MudGrid>
+        </MudForm>
+    }
+</AdminEditorPanel>
+
+@code {
+    [Parameter] public int? Id { get; set; }
+
+    private MudForm form = null!;
+    private CreateClientDto dto = new() { Status = "active" };
+    private bool isValid;
+    private bool isLoading = true;
+    private bool isSaving;
+
+    private RenderFragment ClientEditSkeleton => builder =>
+    {
+        builder.OpenComponent<AdminSkeletonRows>(0);
+        builder.AddAttribute(1, "Rows", 6);
+        builder.AddAttribute(2, "Columns", 3);
+        builder.CloseComponent();
+    };
+    protected override async Task OnInitializedAsync()
+    {
+        if (Id.HasValue)
+        {
+            try
+            {
+                var client = await ClientClient.GetByIdAsync(Id.Value);
+                if (client is null)
+                {
+                    Snackbar.Add("고객을 찾을 수 없습니다.", Severity.Error);
+                    Navigation.NavigateTo("/taxbaik/admin/clients");
+                    return;
+                }
+                dto = new CreateClientDto
+                {
+                    Name = client.Name,
+                    CompanyName = client.CompanyName,
+                    Phone = client.Phone,
+                    Email = client.Email,
+                    ServiceType = client.ServiceType,
+                    TaxType = client.TaxType,
+                    Status = client.Status,
+                    Source = client.Source,
+                    Memo = client.Memo
+                };
+            }
+            catch (Exception ex)
+            {
+                Snackbar.Add($"오류: {ex.Message}", Severity.Error);
+                Navigation.NavigateTo("/taxbaik/admin/clients");
+                return;
+            }
+        }
+        isLoading = false;
+    }
+
+    private async Task SaveAsync()
+    {
+        await form.Validate();
+        if (!isValid) return;
+
+        isSaving = true;
+        try
+        {
+            if (Id.HasValue)
+            {
+                var result = await ClientClient.UpdateAsync(Id.Value, dto);
+                if (result != null)
+                    Snackbar.Add("고객 정보가 수정되었습니다.", Severity.Success);
+                else
+                    Snackbar.Add("수정에 실패했습니다.", Severity.Error);
+            }
+            else
+            {
+                var result = await ClientClient.CreateAsync(dto);
+                if (result != null)
+                    Snackbar.Add("고객이 등록되었습니다.", Severity.Success);
+                else
+                    Snackbar.Add("등록에 실패했습니다.", Severity.Error);
+            }
+            Navigation.NavigateTo("/taxbaik/admin/clients");
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"저장 실패: {ex.Message}", Severity.Error);
+        }
+        finally
+        {
+            isSaving = false;
+        }
+    }
+}
@@ -0,0 +1,227 @@
+@page "/admin/clients"
+@attribute [Authorize]
+@using TaxBaik.Web.Services
+@using TaxBaik.Domain.Entities
+@inject IClientBrowserClient ClientClient
+@inject NavigationManager Navigation
+@inject IDialogService DialogService
+@inject ISnackbar Snackbar
+
+<PageTitle>고객 관리</PageTitle>
+
+<AdminPageHeader Title="고객 관리" Eyebrow="CRM" Subtitle="고객 카드를 등록하고 상담 이력을 관리합니다.">
+    <ChildContent>
+        <MudButton Variant="Variant.Filled" Color="Color.Primary"
+                   StartIcon="@Icons.Material.Filled.PersonAdd"
+                   Href="/taxbaik/admin/clients/create">
+            고객 등록
+        </MudButton>
+    </ChildContent>
+</AdminPageHeader>
+
+@* 검색/필터 바 *@
+<MudPaper Class="admin-surface mb-3 pa-3" Elevation="0">
+    <MudGrid>
+        <MudItem xs="12" md="5">
+            <MudTextField @bind-Value="searchText" Label="검색 (이름·연락처·회사명)"
+                          Adornment="Adornment.End" AdornmentIcon="@Icons.Material.Filled.Search"
+                          Immediate="false" OnKeyUp="@OnSearchKeyUp" />
+        </MudItem>
+        <MudItem xs="12" md="3">
+            <CommonCodeSelect @bind-Value="statusFilter" Group="CLIENT_STATUS" Label="상태" Placeholder="전체" Clearable="true" />
+        </MudItem>
+        <MudItem xs="12" md="2" Class="d-flex align-center">
+            <MudButton Variant="Variant.Outlined" OnClick="@SearchAsync" FullWidth="true">검색</MudButton>
+        </MudItem>
+        <MudItem xs="12" md="2" Class="d-flex align-center">
+            <MudButton Variant="Variant.Text" OnClick="@ResetAsync" FullWidth="true">초기화</MudButton>
+        </MudItem>
+    </MudGrid>
+</MudPaper>
+
+<AdminDataPanel Loading="@(clients is null)" SkeletonContent="@ClientListSkeleton">
+    @if (clients is null)
+    {
+    }
+    else if (!clients.Any())
+    {
+        <AdminEmptyState Icon="@Icons.Material.Filled.PeopleAlt" Message="등록된 고객이 없습니다." />
+    }
+    else
+    {
+        <MudSimpleTable Striped="true" Dense="true" Class="admin-table">
+            <thead>
+                <tr>
+                    <th>이름</th>
+                    <th>회사명</th>
+                    <th>연락처</th>
+                    <th>서비스</th>
+                    <th>세금 유형</th>
+                    <th>상태</th>
+                    <th>유입 경로</th>
+                    <th>등록일</th>
+                    <th></th>
+                </tr>
+            </thead>
+            <tbody>
+                @foreach (var c in clients)
+                {
+                    <tr>
+                        <td><strong>@c.Name</strong></td>
+                        <td>@(c.CompanyName ?? "—")</td>
+                        <td>@(c.Phone ?? "—")</td>
+                        <td>
+                            @if (!string.IsNullOrEmpty(c.ServiceType))
+                            {
+                                <MudChip Size="Size.Small" Color="Color.Primary">@c.ServiceType</MudChip>
+                            }
+                        </td>
+                        <td>@(c.TaxType ?? "—")</td>
+                        <td>
+                            @if (c.Status == "active")
+                            {
+                                <MudChip Size="Size.Small" Color="Color.Success">활성</MudChip>
+                            }
+                            else
+                            {
+                                <MudChip Size="Size.Small" Color="Color.Default">비활성</MudChip>
+                            }
+                        </td>
+                        <td>@(c.Source ?? "—")</td>
+                        <td class="small">@c.CreatedAt.ToLocalTime().ToString("yy.MM.dd")</td>
+                        <td>
+                            <MudButtonGroup Size="Size.Small" Variant="Variant.Outlined">
+                                <MudButton @onclick="@(() => Navigation.NavigateTo($"/taxbaik/admin/clients/{c.Id}/edit"))">
+                                    수정
+                                </MudButton>
+                                <MudButton Color="Color.Error" @onclick="@(() => DeleteAsync(c))">
+                                    삭제
+                                </MudButton>
+                            </MudButtonGroup>
+                        </td>
+                    </tr>
+                }
+            </tbody>
+        </MudSimpleTable>
+
+        @* 페이징 *@
+        @if (totalPages > 1)
+        {
+            <div class="d-flex justify-center pa-3">
+                <MudPagination BoundaryCount="1" MiddleCount="3"
+                               Count="@totalPages" Selected="@currentPage"
+                               SelectedChanged="@OnPageChanged" />
+            </div>
+        }
+        <MudText Typo="Typo.caption" Class="pa-2 text-muted">총 @(totalCount)명</MudText>
+    }
+</AdminDataPanel>
+
+@code {
+    [CascadingParameter]
+    private Task<AuthenticationState>? AuthStateTask { get; set; }
+
+    private List<Client>? clients;
+    private string searchText = "";
+    private string statusFilter = "";
+    private int currentPage = 1;
+    private int totalCount;
+    private int totalPages;
+    private const int PageSize = 20;
+
+    private RenderFragment ClientListSkeleton => builder =>
+    {
+        builder.OpenComponent<AdminSkeletonRows>(0);
+        builder.AddAttribute(1, "Rows", 5);
+        builder.AddAttribute(2, "Columns", 5);
+        builder.CloseComponent();
+    };
+
+    protected override async Task OnInitializedAsync()
+    {
+        if (AuthStateTask != null)
+        {
+            var authState = await AuthStateTask;
+            if (authState.User.Identity?.IsAuthenticated == true)
+            {
+                await LoadAsync();
+            }
+        }
+    }
+
+    private async Task LoadAsync()
+    {
+        try
+        {
+            var (items, total) = await ClientClient.GetPagedAsync(
+                currentPage, PageSize,
+                string.IsNullOrEmpty(statusFilter) ? null : statusFilter,
+                string.IsNullOrEmpty(searchText) ? null : searchText);
+
+            clients = items.ToList();
+            totalCount = total;
+            totalPages = (int)Math.Ceiling((double)total / PageSize);
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"오류: {ex.Message}", Severity.Error);
+            clients = [];
+            totalCount = 0;
+            totalPages = 0;
+        }
+    }
+
+    private async Task SearchAsync()
+    {
+        currentPage = 1;
+        await LoadAsync();
+    }
+
+    private async Task ResetAsync()
+    {
+        searchText = "";
+        statusFilter = "";
+        currentPage = 1;
+        await LoadAsync();
+    }
+
+    private async Task OnPageChanged(int page)
+    {
+        currentPage = page;
+        await LoadAsync();
+    }
+
+    private async Task OnSearchKeyUp(KeyboardEventArgs e)
+    {
+        if (e.Key == "Enter") await SearchAsync();
+    }
+
+    private async Task DeleteAsync(Client client)
+    {
+        var confirmed = await DialogService.ShowMessageBox(
+            "고객 삭제",
+            $"'{client.Name}' 고객을 삭제하시겠습니까? 관련 데이터도 함께 삭제됩니다.",
+            yesText: "삭제", cancelText: "취소");
+
+        if (confirmed != true) return;
+
+        try
+        {
+            var success = await ClientClient.DeleteAsync(client.Id);
+            if (success)
+            {
+                Snackbar.Add($"{client.Name} 고객이 삭제되었습니다.", Severity.Success);
+                await LoadAsync();
+            }
+            else
+            {
+                Snackbar.Add("삭제에 실패했습니다.", Severity.Error);
+            }
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"오류: {ex.Message}", Severity.Error);
+        }
+        await LoadAsync();
+    }
+}
@@ -0,0 +1,137 @@
+@page "/admin/common-codes"
+@using TaxBaik.Web.Services.AdminClients
+@using TaxBaik.Domain.Entities
+@attribute [Authorize]
+@inject ICommonCodeBrowserClient CommonCodeClient
+@inject ISnackbar Snackbar
+
+<PageTitle>공통관리</PageTitle>
+
+<AdminPageHeader Title="공통관리" Eyebrow="System" Subtitle="공통코드 그룹과 항목을 일관된 기준으로 관리합니다." />
+
+<MudGrid Spacing="2">
+    <MudItem XS="12" MD="4">
+        <CommonCodeGroupPanel Groups="groups"
+                             SelectedGroup="selectedGroup"
+                             SelectedGroupChanged="OnGroupChanged"
+                             OnCreateRequested="PrepareCreate" />
+    </MudItem>
+
+    <MudItem XS="12" MD="8">
+        <CommonCodeListPanel Loading="@isLoading"
+                             Codes="codes"
+                             EditModel="editModel"
+                             IsCreateMode="isCreateMode"
+                             Form="form"
+                             EditRequested="EditCode"
+                             DeleteRequested="DeleteCode"
+                             SaveRequested="SaveCode"
+                             ResetRequested="PrepareCreate" />
+    </MudItem>
+</MudGrid>
+
+@code {
+    private List<string> groups = [];
+    private List<CommonCode> codes = [];
+    private string selectedGroup = "";
+    private bool isLoading = true;
+    private CommonCode editModel = new();
+    private bool isCreateMode = true;
+
+    protected override async Task OnInitializedAsync()
+    {
+        groups = await CommonCodeClient.GetGroupsAsync();
+        selectedGroup = groups.FirstOrDefault() ?? "";
+        await LoadCodes();
+        PrepareCreate();
+    }
+
+    private async Task OnGroupChanged(string value)
+    {
+        selectedGroup = value;
+        await LoadCodes();
+        PrepareCreate();
+    }
+
+    private async Task LoadCodes()
+    {
+        isLoading = true;
+        codes = string.IsNullOrWhiteSpace(selectedGroup)
+            ? []
+            : await CommonCodeClient.GetByGroupAsync(selectedGroup);
+        isLoading = false;
+    }
+
+    private void PrepareCreate()
+    {
+        isCreateMode = true;
+        editModel = new CommonCode
+        {
+            CodeGroup = selectedGroup,
+            IsActive = true
+        };
+    }
+
+    private void EditCode(CommonCode code)
+    {
+        isCreateMode = false;
+        editModel = new CommonCode
+        {
+            CodeGroup = code.CodeGroup,
+            CodeValue = code.CodeValue,
+            CodeName = code.CodeName,
+            SortOrder = code.SortOrder,
+            IsActive = code.IsActive
+        };
+    }
+
+    private async Task SaveCode()
+    {
+        editModel.CodeGroup = editModel.CodeGroup?.Trim() ?? string.Empty;
+        editModel.CodeValue = editModel.CodeValue?.Trim() ?? string.Empty;
+        editModel.CodeName = editModel.CodeName?.Trim() ?? string.Empty;
+
+        if (string.IsNullOrWhiteSpace(editModel.CodeGroup) ||
+            string.IsNullOrWhiteSpace(editModel.CodeValue) ||
+            string.IsNullOrWhiteSpace(editModel.CodeName))
+        {
+            Snackbar.Add("그룹, 값, 이름은 모두 입력해야 합니다.", Severity.Error);
+            return;
+        }
+
+        if (editModel.CodeGroup.Any(char.IsWhiteSpace))
+        {
+            Snackbar.Add("code_group에는 공백을 넣을 수 없습니다.", Severity.Error);
+            return;
+        }
+
+        if (editModel.CodeValue.Any(char.IsWhiteSpace))
+        {
+            Snackbar.Add("code_value에는 공백을 넣을 수 없습니다.", Severity.Error);
+            return;
+        }
+
+        if (!await CommonCodeClient.UpsertAsync(editModel))
+        {
+            Snackbar.Add("저장 실패", Severity.Error);
+            return;
+        }
+
+        Snackbar.Add("저장되었습니다.", Severity.Success);
+        await LoadCodes();
+        PrepareCreate();
+    }
+
+    private async Task DeleteCode(CommonCode code)
+    {
+        if (!await CommonCodeClient.DeleteAsync(code.CodeGroup, code.CodeValue))
+        {
+            Snackbar.Add("삭제 실패", Severity.Error);
+            return;
+        }
+
+        Snackbar.Add("삭제되었습니다.", Severity.Success);
+        await LoadCodes();
+        PrepareCreate();
+    }
+}
@@ -0,0 +1,51 @@
+@page "/admin/companies/create"
+@attribute [Authorize]
+@using TaxBaik.WasmClient.Components.Admin.Forms
+@inject IApiClient ApiClient
+@inject NavigationManager Navigation
+@inject ISnackbar Snackbar
+
+<PageTitle>고객사 등록</PageTitle>
+
+<section class="admin-page-hero">
+    <div>
+        <MudText Typo="Typo.caption" Class="admin-eyebrow">Settings</MudText>
+        <MudText Typo="Typo.h4" Class="admin-page-title">새 고객사 등록</MudText>
+        <MudText Typo="Typo.body2" Class="admin-page-subtitle">새로운 고객사를 추가합니다.</MudText>
+    </div>
+    <MudButton Variant="Variant.Outlined" StartIcon="@Icons.Material.Filled.Close" @onclick="GoBack">취소</MudButton>
+</section>
+
+<MudPaper Class="pa-4 mt-4" Elevation="1">
+    <CompanyForm ButtonText="등록" OnSubmit="HandleCreate" OnCancel="GoBack" />
+</MudPaper>
+
+@code {
+    private void GoBack()
+    {
+        Navigation.NavigateTo("/taxbaik/admin/companies");
+    }
+
+    private async Task HandleCreate(CompanyForm.CompanyFormModel model)
+    {
+        try
+        {
+            await ApiClient.PostAsync<object>("company", new
+            {
+                companyCode = model.CompanyCode,
+                companyName = model.CompanyName,
+                contactPerson = model.ContactPerson,
+                phone = model.Phone,
+                email = model.Email,
+                memo = model.Memo
+            });
+
+            Snackbar.Add("고객사가 등록되었습니다.", Severity.Success);
+            Navigation.NavigateTo("/taxbaik/admin/companies");
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"등록 실패: {ex.Message}", Severity.Error);
+        }
+    }
+}
@@ -0,0 +1,134 @@
+@page "/admin/companies/{id:int}/edit"
+@attribute [Authorize]
+@using TaxBaik.WasmClient.Components.Admin.Forms
+@inject IApiClient ApiClient
+@inject NavigationManager Navigation
+@inject ISnackbar Snackbar
+@inject IDialogService DialogService
+
+<PageTitle>고객사 수정</PageTitle>
+
+<section class="admin-page-hero">
+    <div>
+        <MudText Typo="Typo.caption" Class="admin-eyebrow">Settings</MudText>
+        <MudText Typo="Typo.h4" Class="admin-page-title">고객사 수정</MudText>
+        <MudText Typo="Typo.body2" Class="admin-page-subtitle">고객사 정보를 수정합니다.</MudText>
+    </div>
+    <MudButton Variant="Variant.Outlined" StartIcon="@Icons.Material.Filled.Close" @onclick="GoBack">취소</MudButton>
+</section>
+
+<AdminEditorPanel Loading="@isLoading" SkeletonContent="@CompanySkeleton">
+    @if (formModel == null)
+    {
+        <MudAlert Severity="Severity.Error" Class="mt-4">고객사를 찾을 수 없습니다.</MudAlert>
+    }
+    else
+    {
+        <MudPaper Class="pa-4 mt-4" Elevation="1">
+            <CompanyForm ButtonText="수정" InitialData="formModel" OnSubmit="HandleUpdate" OnCancel="GoBack" />
+
+            <MudDivider Class="my-4" />
+
+            <MudButton Variant="Variant.Outlined" Color="Color.Error" @onclick="DeleteCompany" Class="mt-2">
+                고객사 삭제
+            </MudButton>
+        </MudPaper>
+    }
+</AdminEditorPanel>
+
+@code {
+    [Parameter]
+    public int Id { get; set; }
+
+    private CompanyForm.CompanyFormModel? formModel;
+    private bool isLoading = true;
+
+    private RenderFragment CompanySkeleton => builder =>
+    {
+        builder.OpenComponent<AdminSkeletonRows>(0);
+        builder.AddAttribute(1, "Rows", 6);
+        builder.AddAttribute(2, "Columns", 3);
+        builder.CloseComponent();
+    };
+
+    protected override async Task OnInitializedAsync()
+    {
+        try
+        {
+            var company = await ApiClient.GetAsync<dynamic>($"company/{Id}");
+            IDictionary<string, object>? dict = company as IDictionary<string, object>;
+            if (dict != null)
+            {
+                formModel = new CompanyForm.CompanyFormModel
+                {
+                    CompanyCode = (string)dict["companyCode"],
+                    CompanyName = (string)dict["companyName"],
+                    ContactPerson = (string?)dict["contactPerson"],
+                    Phone = (string?)dict["phone"],
+                    Email = (string?)dict["email"],
+                    Memo = (string?)dict["memo"],
+                    IsActive = (bool)(dynamic)dict["isActive"]
+                };
+            }
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"고객사 로드 실패: {ex.Message}", Severity.Error);
+        }
+        finally
+        {
+            isLoading = false;
+        }
+    }
+
+    private void GoBack()
+    {
+        Navigation.NavigateTo("/taxbaik/admin/companies");
+    }
+
+    private async Task HandleUpdate(CompanyForm.CompanyFormModel model)
+    {
+        try
+        {
+            await ApiClient.PutAsync<object>($"company/{Id}", new
+            {
+                companyCode = model.CompanyCode,
+                companyName = model.CompanyName,
+                contactPerson = model.ContactPerson,
+                phone = model.Phone,
+                email = model.Email,
+                memo = model.Memo,
+                isActive = model.IsActive
+            });
+
+            Snackbar.Add("고객사가 수정되었습니다.", Severity.Success);
+            Navigation.NavigateTo("/taxbaik/admin/companies");
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"수정 실패: {ex.Message}", Severity.Error);
+        }
+    }
+
+    private async Task DeleteCompany()
+    {
+        var result = await DialogService.ShowMessageBox(
+            "고객사 삭제",
+            "정말 삭제하시겠습니까? 이 작업은 취소할 수 없습니다.",
+            "삭제", "취소");
+
+        if (result != true)
+            return;
+
+        try
+        {
+            await ApiClient.DeleteAsync($"company/{Id}");
+            Snackbar.Add("고객사가 삭제되었습니다.", Severity.Success);
+            Navigation.NavigateTo("/taxbaik/admin/companies");
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"삭제 실패: {ex.Message}", Severity.Error);
+        }
+    }
+}
@@ -0,0 +1,134 @@
+@page "/admin/companies"
+@attribute [Authorize]
+@inject IApiClient ApiClient
+@inject ISnackbar Snackbar
+
+<PageTitle>고객사 관리</PageTitle>
+
+<section class="admin-page-hero">
+    <div>
+        <MudText Typo="Typo.caption" Class="admin-eyebrow">Settings</MudText>
+        <MudText Typo="Typo.h4" Class="admin-page-title">고객사 관리</MudText>
+        <MudText Typo="Typo.body2" Class="admin-page-subtitle">등록된 고객사를 관리하고 새로운 고객사를 추가합니다.</MudText>
+    </div>
+    <MudButton Variant="Variant.Filled" Color="Color.Primary" StartIcon="@Icons.Material.Filled.Add"
+        Href="/taxbaik/admin/companies/create">새 고객사 등록</MudButton>
+</section>
+
+<MudPaper Class="admin-surface mb-4 mt-4" Elevation="0">
+    <MudStack Row="true" AlignItems="AlignItems.Center" Justify="Justify.SpaceBetween">
+        <MudText Typo="Typo.subtitle1">@($"전체 고객사 {totalCompanies}개")</MudText>
+        <MudText Typo="Typo.body2">페이지 @currentPage / @totalPages</MudText>
+    </MudStack>
+</MudPaper>
+
+<MudDataGrid Items="@companies" Striped="true" Hoverable="true" Loading="@isLoading" Class="admin-grid">
+    <Columns>
+        <PropertyColumn Property="x => x.CompanyCode" Title="회사코드" />
+        <PropertyColumn Property="x => x.CompanyName" Title="회사명" />
+        <PropertyColumn Property="x => x.ContactPerson" Title="담당자" />
+        <PropertyColumn Property="x => x.Phone" Title="전화" />
+        <PropertyColumn Property="x => x.Email" Title="이메일" />
+        <PropertyColumn Property="x => x.IsActive" Title="활성">
+            <CellTemplate Context="cell">
+                <MudCheckBox T="bool" Value="@cell.Item.IsActive" Disabled="true" />
+            </CellTemplate>
+        </PropertyColumn>
+        <PropertyColumn Property="x => x.CreatedAt" Title="등록일" Format="yyyy-MM-dd" />
+        <TemplateColumn>
+            <CellTemplate Context="cell">
+                <MudButton Variant="Variant.Outlined" Size="Size.Small" Color="Color.Primary"
+                    Href="@($"/taxbaik/admin/companies/{cell.Item.Id}/edit")">수정</MudButton>
+            </CellTemplate>
+        </TemplateColumn>
+    </Columns>
+</MudDataGrid>
+
+<MudStack Row="true" Justify="Justify.Center" Class="mt-4" Spacing="2">
+    <MudButton Variant="Variant.Outlined" Disabled="@(currentPage <= 1 || isLoading)" @onclick="PreviousPage">이전</MudButton>
+    <MudButton Variant="Variant.Outlined" Disabled="@(currentPage >= totalPages || isLoading)" @onclick="NextPage">다음</MudButton>
+</MudStack>
+
+@code {
+    private List<CompanyDto> companies = [];
+    private bool isLoading = true;
+    private int currentPage = 1;
+    private int totalPages = 1;
+    private int totalCompanies = 0;
+    private const int PageSize = 20;
+
+    protected override async Task OnInitializedAsync()
+    {
+        await LoadData();
+    }
+
+    private async Task LoadData()
+    {
+        try
+        {
+            isLoading = true;
+            var response = await ApiClient.GetAsync<dynamic>($"company?page={currentPage}&pageSize={PageSize}");
+
+            IDictionary<string, object>? dict = response as IDictionary<string, object>;
+            if (dict != null)
+            {
+                totalCompanies = (int)(dynamic)dict["total"];
+                totalPages = (totalCompanies + PageSize - 1) / PageSize;
+
+                if (dict["data"] is System.Collections.IEnumerable dataList)
+                {
+                    companies = new List<CompanyDto>();
+                    foreach (var item in dataList)
+                    {
+                        if (item is IDictionary<string, object> companyDict)
+                        {
+                            companies.Add(new CompanyDto
+                            {
+                                Id = (int)(dynamic)companyDict["id"],
+                                CompanyCode = (string)companyDict["companyCode"],
+                                CompanyName = (string)companyDict["companyName"],
+                                ContactPerson = (string?)companyDict["contactPerson"],
+                                Phone = (string?)companyDict["phone"],
+                                Email = (string?)companyDict["email"],
+                                IsActive = (bool)(dynamic)companyDict["isActive"],
+                                CreatedAt = DateTime.Parse(companyDict["createdAt"].ToString()!)
+                            });
+                        }
+                    }
+                }
+            }
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"고객사 로드 실패: {ex.Message}", Severity.Error);
+        }
+        finally
+        {
+            isLoading = false;
+        }
+    }
+
+    private async Task NextPage()
+    {
+        currentPage++;
+        await LoadData();
+    }
+
+    private async Task PreviousPage()
+    {
+        currentPage = Math.Max(1, currentPage - 1);
+        await LoadData();
+    }
+
+    private class CompanyDto
+    {
+        public int Id { get; set; }
+        public string CompanyCode { get; set; } = "";
+        public string CompanyName { get; set; } = "";
+        public string? ContactPerson { get; set; }
+        public string? Phone { get; set; }
+        public string? Email { get; set; }
+        public bool IsActive { get; set; }
+        public DateTime CreatedAt { get; set; }
+    }
+}
@@ -0,0 +1,287 @@
+@page "/admin/consulting-activities"
+@using TaxBaik.Web.Services.AdminClients
+@using TaxBaik.WasmClient.Components.Admin.Shared
+@inject IConsultingActivityBrowserClient ActivityClient
+@inject IClientBrowserClient ClientClient
+@inject ISnackbar Snackbar
+@inject IDialogService DialogService
+@attribute [Authorize]
+
+<PageTitle>상담 활동 관리</PageTitle>
+
+<section class="admin-page-hero">
+    <div>
+        <MudText Typo="Typo.caption" Class="admin-eyebrow">CRM & 세무관리</MudText>
+        <MudText Typo="Typo.h4" Class="admin-page-title">상담 활동 관리</MudText>
+        <MudText Typo="Typo.body2" Class="admin-page-subtitle">고객별 상담 이력과 팔로업을 추적합니다.</MudText>
+    </div>
+    <MudButton Variant="Variant.Filled" Color="Color.Primary" OnClick="OpenCreateDialog" StartIcon="@Icons.Material.Filled.Add">
+        새 활동 기록
+    </MudButton>
+</section>
+
+<AdminDataPanel Loading="@(activities is null)" SkeletonContent="@ActivitySkeleton">
+    @if (activities is null)
+    {
+    }
+    else if (activities.Count == 0)
+    {
+        <MudAlert Severity="Severity.Info" Class="mt-4">
+            <MudIcon Icon="@Icons.Material.Filled.Timeline" Class="me-2" />
+            상담 활동이 없습니다.
+        </MudAlert>
+    }
+    else
+    {
+        <MudDataGrid T="ConsultingActivity"
+            Items="@activities"
+            Dense="true"
+            Hover="true"
+            Striped="true"
+            Virtualize="true"
+            RowsPerPage="30"
+            Class="admin-grid">
+            <Columns>
+                <PropertyColumn Property="x => x.Id" Title="ID" Sortable="true" />
+                <TemplateColumn Title="고객">
+                    <CellTemplate>
+                        @if (clientMap.TryGetValue(context.Item.ClientId, out var clientName))
+                        {
+                            <MudLink Href="@($"/taxbaik/admin/clients/{context.Item.ClientId}")" Color="Color.Primary">
+                                @clientName
+                            </MudLink>
+                        }
+                    </CellTemplate>
+                </TemplateColumn>
+                <PropertyColumn Property="x => x.ActivityType" Title="활동 유형" />
+                <PropertyColumn Property="x => x.ActivityDate" Title="활동일시" Format="g" />
+                <TemplateColumn Title="설명">
+                    <CellTemplate>
+                        @{
+                            var desc = context.Item.Description ?? "";
+                            if (desc.Length > 30) desc = desc.Substring(0, 30) + "...";
+                        }
+                        <span>@desc</span>
+                    </CellTemplate>
+                </TemplateColumn>
+                <TemplateColumn Title="다음 팔로업">
+                    <CellTemplate>
+                        @if (context.Item.NextFollowupDate.HasValue)
+                        {
+                            var daysLeft = (context.Item.NextFollowupDate.Value.Date - DateTime.Today).Days;
+                            <MudChip Size="Size.Small"
+                                Color="@(daysLeft < 0 ? Color.Error : daysLeft <= 3 ? Color.Warning : Color.Success)"
+                                Variant="Variant.Filled">
+                                @context.Item.NextFollowupDate.Value.ToString("yyyy-MM-dd")
+                            </MudChip>
+                        }
+                    </CellTemplate>
+                </TemplateColumn>
+                <TemplateColumn Title="작업" Sortable="false">
+                    <CellTemplate>
+                        <MudButtonGroup Size="Size.Small" Variant="Variant.Outlined">
+                            <MudIconButton Icon="@Icons.Material.Filled.Edit" OnClick="@(async () => await OpenEditDialog(context.Item))" />
+                            <MudIconButton Icon="@Icons.Material.Filled.Delete" Color="Color.Error"
+                                OnClick="@(async () => await DeleteActivity(context.Item.Id))" />
+                        </MudButtonGroup>
+                    </CellTemplate>
+                </TemplateColumn>
+            </Columns>
+        </MudDataGrid>
+    }
+</AdminDataPanel>
+
+<MudDialog @bind-IsVisible="isDialogOpen" Options="new DialogOptions { MaxWidth = MaxWidth.Small, FullWidth = true }">
+    <TitleContent>
+        <MudText Typo="Typo.h6">@(editingActivity == null ? "새 활동 기록" : "활동 기록 수정")</MudText>
+    </TitleContent>
+    <DialogContent>
+        <MudForm @ref="form">
+            <MudSelect T="int" @bind-Value="activityForm.ClientId" Label="고객" Required="true" Variant="Variant.Outlined" FullWidth="true" Class="mb-4">
+                @foreach (var client in clients)
+                {
+                    <MudSelectItem Value="@client.Id">@GetClientDisplayName(client)</MudSelectItem>
+                }
+            </MudSelect>
+            <CommonCodeSelect @bind-Value="activityForm.ActivityType" Group="CONSULTING_ACTIVITY_TYPE" Label="활동 유형" Class="mb-4" Required="true" />
+            <MudDatePicker @bind-Date="activityForm.ActivityDate" Label="활동일" Variant="Variant.Outlined" FullWidth="true" Class="mb-4" Required="true" />
+            <MudTextField T="string" @bind-Value="activityForm.Description" Label="설명" Variant="Variant.Outlined" FullWidth="true" Lines="3" Class="mb-4" Required="true" />
+            <MudDatePicker @bind-Date="activityForm.NextFollowupDate" Label="다음 팔로업일" Variant="Variant.Outlined" FullWidth="true" Class="mb-4" />
+        </MudForm>
+    </DialogContent>
+    <DialogActions>
+        <MudButton OnClick="CloseDialog">취소</MudButton>
+        <MudButton Color="Color.Primary" OnClick="SaveActivity">저장</MudButton>
+    </DialogActions>
+</MudDialog>
+
+@code {
+    [CascadingParameter]
+    private Task<AuthenticationState>? AuthStateTask { get; set; }
+
+    private List<ConsultingActivity>? activities;
+    private List<Client> clients = [];
+    private Dictionary<int, string> clientMap = new();
+    private MudForm? form;
+    private bool isDialogOpen;
+    private ConsultingActivity? editingActivity;
+    private ConsultingActivityForm activityForm = new();
+
+    private RenderFragment ActivitySkeleton => builder =>
+    {
+        builder.OpenComponent<AdminSkeletonRows>(0);
+        builder.AddAttribute(1, "Rows", 5);
+        builder.AddAttribute(2, "Columns", 4);
+        builder.CloseComponent();
+    };
+
+    protected override async Task OnInitializedAsync()
+    {
+        if (AuthStateTask != null)
+        {
+            var authState = await AuthStateTask;
+            if (authState.User.Identity?.IsAuthenticated == true)
+            {
+                await LoadData();
+            }
+        }
+    }
+
+    private async Task LoadData()
+    {
+        try
+        {
+            activities = await ActivityClient.GetAllAsync();
+            var (clientItems, _) = await ClientClient.GetPagedAsync(pageSize: 1000);
+            clients = clientItems.ToList();
+            clientMap = clients.ToDictionary(c => c.Id, GetClientDisplayName);
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"데이터 로드 실패: {ex.Message}", Severity.Error);
+        }
+    }
+
+    private void OpenCreateDialog()
+    {
+        editingActivity = null;
+        activityForm = new ConsultingActivityForm
+        {
+            ActivityDate = DateTime.Now,
+            ClientId = clients.FirstOrDefault()?.Id ?? 0
+        };
+        isDialogOpen = true;
+    }
+
+    private async Task OpenEditDialog(ConsultingActivity activity)
+    {
+        editingActivity = activity;
+        activityForm = new ConsultingActivityForm
+        {
+            ClientId = activity.ClientId,
+            ActivityType = activity.ActivityType,
+            ActivityDate = activity.ActivityDate,
+            Description = activity.Description,
+            NextFollowupDate = activity.NextFollowupDate
+        };
+        isDialogOpen = true;
+    }
+
+    private async Task SaveActivity()
+    {
+        if (form != null)
+        {
+            await form.Validate();
+            if (!form.IsValid)
+            {
+                Snackbar.Add("필수 항목을 입력해주세요.", Severity.Warning);
+                return;
+            }
+        }
+
+        try
+        {
+            if (editingActivity == null)
+            {
+                var actDate = activityForm.ActivityDate ?? DateTime.Now;
+                var newId = await ActivityClient.CreateAsync(
+                    activityForm.ClientId,
+                    activityForm.ActivityType,
+                    actDate,
+                    activityForm.Description,
+                    null,
+                    activityForm.NextFollowupDate);
+
+                if (newId > 0)
+                {
+                    Snackbar.Add("활동이 기록되었습니다.", Severity.Success);
+                    CloseDialog();
+                    await LoadData();
+                }
+            }
+            else
+            {
+                await ActivityClient.UpdateAsync(
+                    editingActivity.Id,
+                    null,
+                    activityForm.NextFollowupDate);
+
+                Snackbar.Add("활동이 업데이트되었습니다.", Severity.Success);
+                CloseDialog();
+                await LoadData();
+            }
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"저장 실패: {ex.Message}", Severity.Error);
+        }
+    }
+
+    private async Task DeleteActivity(int id)
+    {
+        var parameters = new DialogParameters
+        {
+            { "Title", "삭제 확인" },
+            { "Message", "이 활동을 삭제하시겠습니까?" }
+        };
+
+        var dialog = await DialogService.ShowAsync<ConfirmDialog>("", parameters);
+        var result = await dialog.Result;
+
+        if (result?.Canceled ?? true)
+            return;
+
+        try
+        {
+            await ActivityClient.DeleteAsync(id);
+            Snackbar.Add("활동이 삭제되었습니다.", Severity.Success);
+            await LoadData();
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"삭제 실패: {ex.Message}", Severity.Error);
+        }
+    }
+
+    private void CloseDialog()
+    {
+        isDialogOpen = false;
+        editingActivity = null;
+        activityForm = new();
+    }
+
+    private static string GetClientDisplayName(Client client)
+        => !string.IsNullOrWhiteSpace(client.CompanyName)
+            ? client.CompanyName
+            : !string.IsNullOrWhiteSpace(client.Name)
+                ? client.Name
+                : $"Client #{client.Id}";
+    private class ConsultingActivityForm
+    {
+        public int ClientId { get; set; }
+        public string ActivityType { get; set; } = "";
+        public DateTime? ActivityDate { get; set; } = DateTime.Now;
+        public string Description { get; set; } = "";
+        public DateTime? NextFollowupDate { get; set; }
+    }
+}
@@ -0,0 +1,303 @@
+@page "/admin/contracts"
+@using TaxBaik.Web.Services.AdminClients
+@using TaxBaik.WasmClient.Components.Admin.Shared
+@inject IContractBrowserClient ContractClient
+@inject IClientBrowserClient ClientClient
+@inject ISnackbar Snackbar
+@inject IDialogService DialogService
+@attribute [Authorize]
+
+<PageTitle>계약 관리</PageTitle>
+
+<section class="admin-page-hero">
+    <div>
+        <MudText Typo="Typo.caption" Class="admin-eyebrow">CRM & 세무관리</MudText>
+        <MudText Typo="Typo.h4" Class="admin-page-title">계약 관리</MudText>
+        <MudText Typo="Typo.body2" Class="admin-page-subtitle">고객 계약과 월 정기수익을 함께 관리합니다.</MudText>
+        @if (mrr > 0)
+        {
+            <MudText Typo="Typo.body2" Class="mt-2">
+                월 정기수익:
+                <MudChip Size="Size.Small" Color="Color.Primary" Variant="Variant.Filled">₩@mrr.ToString("N0")</MudChip>
+            </MudText>
+        }
+    </div>
+    <MudButton Variant="Variant.Filled" Color="Color.Primary" OnClick="PrepareCreate" StartIcon="@Icons.Material.Filled.Add" id="btn-add-contract">
+        새 계약 추가
+    </MudButton>
+</section>
+
+<AdminEditorPanel Loading="@(contracts is null)" SkeletonContent="@ContractSkeleton">
+@if (contracts is null)
+{
+}
+else
+{
+    <MudGrid Spacing="2" Class="mt-2">
+        <!-- Left: Dense Grid List -->
+        <MudItem XS="12" MD="8">
+            @if (contracts.Count == 0)
+            {
+                <MudAlert Severity="Severity.Info">
+                    <MudIcon Icon="@Icons.Material.Filled.Description" Class="me-2" />
+                    계약이 없습니다.
+                </MudAlert>
+            }
+            else
+            {
+                <MudDataGrid T="Contract"
+                    Items="@contracts"
+                    Dense="true"
+                    Hover="true"
+                    Striped="true"
+                    Virtualize="true"
+                    RowsPerPage="30"
+                    SelectedItem="@selectedContract"
+                    SelectedItemChanged="OnRowSelected"
+                    Class="admin-grid">
+                    <Columns>
+                        <PropertyColumn Property="x => x.Id" Title="ID" Sortable="true" />
+                        <TemplateColumn Title="고객">
+                            <CellTemplate>
+                                @if (clientMap.TryGetValue(context.Item.ClientId, out var clientName))
+                                {
+                                    @clientName
+                                }
+                            </CellTemplate>
+                        </TemplateColumn>
+                        <PropertyColumn Property="x => x.ContractNumber" Title="계약번호" />
+                        <PropertyColumn Property="x => x.ServiceType" Title="서비스 유형" />
+                        <PropertyColumn Property="x => x.MonthlyFee" Title="월 수수료" Format="C" />
+                        <TemplateColumn Title="계약기간">
+                            <CellTemplate>
+                                @context.Item.StartDate.ToString("yyyy-MM-dd")
+                                @if (context.Item.EndDate.HasValue)
+                                {
+                                    <span>~@context.Item.EndDate.Value.ToString("yyyy-MM-dd")</span>
+                                }
+                            </CellTemplate>
+                        </TemplateColumn>
+                        <TemplateColumn Title="상태">
+                            <CellTemplate>
+                                @{
+                                    var isActive = !context.Item.EndDate.HasValue || context.Item.EndDate.Value >= DateTime.Today;
+                                }
+                                @if (isActive)
+                                {
+                                    <MudChip Size="Size.Small" Color="Color.Success" Variant="Variant.Filled">활성</MudChip>
+                                }
+                                else
+                                {
+                                    <MudChip Size="Size.Small" Color="Color.Default" Variant="Variant.Outlined">만료</MudChip>
+                                }
+                            </CellTemplate>
+                        </TemplateColumn>
+                        <TemplateColumn Title="작업" Sortable="false">
+                            <CellTemplate>
+                                <MudIconButton Icon="@Icons.Material.Filled.Delete" Color="Color.Error" Size="Size.Small"
+                                    OnClick="@(async () => await DeleteContract(context.Item.Id))" />
+                            </CellTemplate>
+                        </TemplateColumn>
+                    </Columns>
+                </MudDataGrid>
+            }
+        </MudItem>
+
+        <!-- Right: Detail Form Panel (Inline Editor) -->
+        <MudItem XS="12" MD="4">
+            <MudPaper Class="pa-4 admin-surface admin-editor-panel" Elevation="0" Style="border: 1px solid var(--border-color); min-height: 400px;">
+                <div class="d-flex align-center justify-space-between mb-4">
+                    <MudText Typo="Typo.h6" Class="font-weight-bold">@(isEditMode ? "계약 상세 정보" : "새 계약 추가")</MudText>
+                    @if (isEditMode)
+                    {
+                        <MudButton Size="Size.Small" Variant="Variant.Outlined" Color="Color.Secondary" OnClick="PrepareCreate">
+                            새로 작성
+                        </MudButton>
+                    }
+                </div>
+                <MudForm @ref="form">
+                    <MudSelect T="int?" @bind-Value="contractForm.ClientId" Label="고객" Required="true" Variant="Variant.Outlined" FullWidth="@true" Class="mb-3" RequiredError="고객을 선택하세요." Disabled="@isEditMode">
+                        @foreach (var client in clients)
+                        {
+                            <MudSelectItem Value="@((int?)client.Id)">@GetClientDisplayName(client)</MudSelectItem>
+                        }
+                    </MudSelect>
+                    <MudTextField T="string" @bind-Value="contractForm.ContractNumber" Label="계약번호" Variant="Variant.Outlined" FullWidth="@true" Class="mb-3" Required="true" />
+                    <CommonCodeSelect @bind-Value="contractForm.ServiceType" Group="CONTRACT_SERVICE_TYPE" Label="서비스 유형" Class="mb-3" Required="true" />
+                    <MudDatePicker @bind-Date="contractForm.StartDate" Label="계약 시작일" Variant="Variant.Outlined" FullWidth="@true" Class="mb-3" Required="true" />
+                    <MudNumericField T="decimal?" @bind-Value="contractForm.MonthlyFee" Label="월 수수료" Variant="Variant.Outlined" FullWidth="@true" Class="mb-4" />
+                    
+                    <div class="d-flex justify-end gap-2">
+                        @if (isEditMode)
+                        {
+                            <MudButton Variant="Variant.Outlined" Color="Color.Error" OnClick="@(async () => await DeleteContract(selectedContract?.Id ?? 0))">삭제</MudButton>
+                        }
+                        else
+                        {
+                            <MudButton Variant="Variant.Filled" Color="Color.Primary" OnClick="SaveContract" id="btn-save-contract">저장</MudButton>
+                        }
+                    </div>
+                </MudForm>
+            </MudPaper>
+        </MudItem>
+    </MudGrid>
+}
+</AdminEditorPanel>
+
+@code {
+    [CascadingParameter]
+    private Task<AuthenticationState>? AuthStateTask { get; set; }
+
+    private List<Contract>? contracts;
+    private List<Client> clients = [];
+    private Dictionary<int, string> clientMap = new();
+    private decimal mrr = 0;
+    private MudForm? form;
+    private bool isEditMode;
+    private Contract? selectedContract;
+    private ContractForm contractForm = new();
+
+    private RenderFragment ContractSkeleton => builder =>
+    {
+        builder.OpenComponent<AdminSkeletonRows>(0);
+        builder.AddAttribute(1, "Rows", 6);
+        builder.AddAttribute(2, "Columns", 4);
+        builder.CloseComponent();
+    };
+
+    protected override async Task OnInitializedAsync()
+    {
+        if (AuthStateTask != null)
+        {
+            var authState = await AuthStateTask;
+            if (authState.User.Identity?.IsAuthenticated == true)
+            {
+                await LoadData();
+                PrepareCreate();
+            }
+        }
+    }
+
+    private async Task LoadData()
+    {
+        try
+        {
+            contracts = await ContractClient.GetAllAsync();
+            var (clientItems, _) = await ClientClient.GetPagedAsync(pageSize: 1000);
+            clients = clientItems.ToList();
+            clientMap = clients.ToDictionary(c => c.Id, GetClientDisplayName);
+            mrr = await ContractClient.GetMonthlyRecurringRevenueAsync();
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"데이터 로드 실패: {ex.Message}", Severity.Error);
+        }
+    }
+
+    private void PrepareCreate()
+    {
+        selectedContract = null;
+        isEditMode = false;
+        contractForm = new ContractForm
+        {
+            ClientId = clients.FirstOrDefault()?.Id,
+            StartDate = DateTime.Today
+        };
+    }
+
+    private void OnRowSelected(Contract contract)
+    {
+        if (contract == null) return;
+        selectedContract = contract;
+        isEditMode = true;
+        contractForm = new ContractForm
+        {
+            ClientId = contract.ClientId,
+            ContractNumber = contract.ContractNumber,
+            ServiceType = contract.ServiceType,
+            StartDate = contract.StartDate,
+            MonthlyFee = contract.MonthlyFee
+        };
+    }
+
+    private async Task SaveContract()
+    {
+        if (form != null)
+        {
+            await form.Validate();
+            if (!form.IsValid)
+            {
+                Snackbar.Add("필수 항목을 입력해주세요.", Severity.Warning);
+                return;
+            }
+        }
+
+        try
+        {
+            if (contractForm.ClientId == null) return;
+            var newId = await ContractClient.CreateAsync(
+                contractForm.ClientId.Value,
+                contractForm.ContractNumber,
+                contractForm.ServiceType,
+                contractForm.StartDate ?? DateTime.Now,
+                contractForm.MonthlyFee);
+
+            if (newId > 0)
+            {
+                Snackbar.Add("계약이 추가되었습니다.", Severity.Success);
+                PrepareCreate();
+                await LoadData();
+            }
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"저장 실패: {ex.Message}", Severity.Error);
+        }
+    }
+
+    private async Task DeleteContract(int id)
+    {
+        var parameters = new DialogParameters
+        {
+            { "Title", "삭제 확인" },
+            { "Message", "이 계약을 삭제하시겠습니까?" }
+        };
+
+        var dialog = await DialogService.ShowAsync<ConfirmDialog>("", parameters);
+        var result = await dialog.Result;
+
+        if (result?.Canceled ?? true)
+            return;
+
+        try
+        {
+            await ContractClient.DeleteAsync(id);
+            Snackbar.Add("계약이 삭제되었습니다.", Severity.Success);
+            if (selectedContract?.Id == id)
+            {
+                PrepareCreate();
+            }
+            await LoadData();
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"삭제 실패: {ex.Message}", Severity.Error);
+        }
+    }
+
+    private static string GetClientDisplayName(Client client)
+        => !string.IsNullOrWhiteSpace(client.CompanyName)
+            ? client.CompanyName
+            : !string.IsNullOrWhiteSpace(client.Name)
+                ? client.Name
+                : $"Client #{client.Id}";
+
+    private class ContractForm
+    {
+        public int? ClientId { get; set; }
+        public string ContractNumber { get; set; } = "";
+        public string ServiceType { get; set; } = "";
+        public DateTime? StartDate { get; set; }
+        public decimal? MonthlyFee { get; set; }
+    }
+}
@@ -0,0 +1,201 @@
+@page "/admin/dashboard"
+@attribute [Authorize]
+@using TaxBaik.Web.Services
+@using TaxBaik.WasmClient.Components.Admin.Shared
+@inject IAdminDashboardClient DashboardClient
+@inject NavigationManager Nav
+
+<PageTitle>대시보드</PageTitle>
+
+<section class="admin-page-hero">
+    <div>
+        <MudText Typo="Typo.caption" Class="admin-eyebrow">Overview</MudText>
+        <MudText Typo="Typo.h4" Class="admin-page-title">대시보드</MudText>
+        <MudText Typo="Typo.body2" Class="admin-page-subtitle">문의 흐름과 콘텐츠 상태를 한 화면에서 확인합니다.</MudText>
+    </div>
+    <MudButton Variant="Variant.Filled" Color="Color.Primary" StartIcon="@Icons.Material.Filled.Add" Href="/taxbaik/admin/blog/create">
+        새 포스트 작성
+    </MudButton>
+</section>
+
+@if (!string.IsNullOrEmpty(errorMessage))
+{
+    <MudAlert Severity="Severity.Error" Class="mb-4">@errorMessage</MudAlert>
+}
+
+<AdminDataPanel Loading="@isLoading" SkeletonContent="@DashboardSkeleton">
+    <div class="admin-metric-grid">
+        <AdminMetricCard Label="이번달 문의" Value="@summary.ThisMonthInquiries" Caption="월간 상담 유입 (클릭 시 이동)" Accent="accent-blue" Icon="💬" ValueColor="var(--primary-dark)" IconColor="var(--primary-color)" OnClick="@GoInquiries" />
+        <AdminMetricCard Label="신규 문의" Value="@summary.NewInquiries" Caption="처리 대기 (클릭 시 이동)" Accent="accent-amber" Icon="⚠️" ValueColor="var(--tertiary-dark)" IconColor="var(--tertiary-color)" OnClick="@GoNewInquiries" />
+        <AdminMetricCard Label="전체 포스트" Value="@summary.TotalPosts" Caption="콘텐츠 자산 (클릭 시 이동)" Accent="accent-slate" Icon="📄" ValueColor="#455a64" IconColor="#607d8b" OnClick="@GoBlog" />
+        <AdminMetricCard Label="발행된 포스트" Value="@summary.PublishedPosts" Caption="검색 노출 대상 (클릭 시 이동)" Accent="accent-green" Icon="🌐" ValueColor="var(--secondary-dark)" IconColor="var(--secondary-color)" OnClick="@GoBlog" />
+    </div>
+
+    @if (upcomingFilings.Count > 0)
+    {
+        <MudPaper Class="admin-surface mt-4" Elevation="0">
+            <div class="admin-section-header">
+                <div>
+                    <MudText Typo="Typo.h6">이번 달 마감 임박 신고</MudText>
+                    <MudText Typo="Typo.body2">30일 이내 신고 예정 건 (고객명 클릭 시 상세 카드로 연결)</MudText>
+                </div>
+                <MudButton Variant="Variant.Outlined" Color="Color.Primary" Href="/taxbaik/admin/tax-filings">전체 일정 보기</MudButton>
+            </div>
+            <MudSimpleTable Striped="true" Dense="true" Class="admin-table">
+                <thead>
+                    <tr>
+                        <th>고객</th>
+                        <th>신고 유형</th>
+                        <th>기한</th>
+                        <th>D-day</th>
+                    </tr>
+                </thead>
+                <tbody>
+                    @foreach (var f in upcomingFilings)
+                    {
+                        var dday = BusinessDayCalculator.GetDday(DateOnly.FromDateTime(f.DueDate));
+                        var effectiveDueDate = BusinessDayCalculator.GetEffectiveDueDate(DateOnly.FromDateTime(f.DueDate));
+                        <tr>
+                            <td>
+                                <MudLink Href="@($"/taxbaik/admin/clients/{f.ClientId}")" Underline="Underline.Hover" Color="Color.Primary" Class="font-weight-bold">
+                                    @f.ClientName
+                                </MudLink>
+                            </td>
+                            <td>@f.FilingType</td>
+                            <td>@effectiveDueDate.ToDateTime(TimeOnly.MinValue).ToString("yyyy-MM-dd")</td>
+                            <td>
+                                @if (dday < 0)
+                                {
+                                    <MudChip T="string" Size="Size.Small" Color="Color.Dark">기한 초과 (@(-dday)일)</MudChip>
+                                }
+                                else if (dday <= 7)
+                                {
+                                    <MudChip T="string" Size="Size.Small" Color="Color.Error">D-@dday</MudChip>
+                                }
+                                else
+                                {
+                                    <span>D-@dday</span>
+                                }
+                            </td>
+                        </tr>
+                    }
+                </tbody>
+            </MudSimpleTable>
+        </MudPaper>
+    }
+
+    <MudPaper Class="admin-surface mt-4" Elevation="0">
+        <div class="admin-section-header">
+            <div>
+                <MudText Typo="Typo.h6">최근 문의</MudText>
+                <MudText Typo="Typo.body2">최근 유입된 상담 요청을 빠르게 확인합니다. (이름 클릭 시 상세 관리 화면으로 연계)</MudText>
+            </div>
+            <MudButton Variant="Variant.Outlined" Color="Color.Primary" Href="/taxbaik/admin/inquiries">문의 전체 보기</MudButton>
+        </div>
+        <MudSimpleTable Striped="true" Dense="true" Class="admin-table">
+            <thead>
+                <tr>
+                    <th>이름</th>
+                    <th>전화</th>
+                    <th>분야</th>
+                    <th>상태</th>
+                    <th>날짜</th>
+                </tr>
+            </thead>
+            <tbody>
+                @foreach (var inquiry in summary.RecentInquiries)
+                {
+                    <tr>
+                        <td>
+                            <MudLink Href="@($"/taxbaik/admin/inquiries?id={inquiry.Id}")" Underline="Underline.Hover" Color="Color.Primary" Class="font-weight-bold">
+                                @inquiry.Name
+                            </MudLink>
+                        </td>
+                        <td>@inquiry.Phone</td>
+                        <td>@inquiry.ServiceType</td>
+                        <td>
+                            <MudChip T="string" Size="Size.Small" Color="@StatusColor(inquiry.Status)">
+                                @GetStatusLabel(inquiry.Status)
+                            </MudChip>
+                        </td>
+                        <td>@inquiry.CreatedAt.ToString("yyyy-MM-dd")</td>
+                    </tr>
+                }
+            </tbody>
+        </MudSimpleTable>
+    </MudPaper>
+</AdminDataPanel>
+
+@code {
+    [CascadingParameter]
+    private Task<AuthenticationState>? AuthStateTask { get; set; }
+
+    private AdminDashboardSummary summary = new(0, 0, 0, 0, []);
+    private List<Domain.Entities.TaxFiling> upcomingFilings = [];
+    private string? errorMessage;
+    private bool isLoading = true;
+
+    private RenderFragment DashboardSkeleton => builder =>
+    {
+        builder.OpenComponent<AdminSkeletonRows>(0);
+        builder.AddAttribute(1, "Rows", 6);
+        builder.AddAttribute(2, "Columns", 4);
+        builder.CloseComponent();
+    };
+
+    private void GoInquiries()
+    {
+        Nav.NavigateTo("/taxbaik/admin/inquiries");
+    }
+
+    private void GoNewInquiries()
+    {
+        Nav.NavigateTo("/taxbaik/admin/inquiries?status=new");
+    }
+
+    private void GoBlog()
+    {
+        Nav.NavigateTo("/taxbaik/admin/blog");
+    }
+
+    protected override async Task OnInitializedAsync()
+    {
+        if (AuthStateTask != null)
+        {
+            var authState = await AuthStateTask;
+            if (authState.User.Identity?.IsAuthenticated == true)
+            {
+                try
+                {
+                    var summaryTask = DashboardClient.GetSummaryAsync();
+                    var filingsTask = DashboardClient.GetUpcomingFilingsAsync(30);
+
+                    await Task.WhenAll(summaryTask, filingsTask);
+                    summary = await summaryTask;
+                    upcomingFilings = (await filingsTask).ToList();
+                }
+                catch (Exception ex)
+                {
+                    errorMessage = "대시보드 데이터를 불러올 수 없습니다.";
+                    Console.Error.WriteLine($"Dashboard error: {ex.Message}");
+                }
+                finally
+                {
+                    isLoading = false;
+                }
+            }
+        }
+    }
+
+    private static string GetStatusLabel(string status) => InquiryStatusMapper.Labels.GetValueOrDefault(status, status);
+
+    private static Color StatusColor(string status) => status switch
+    {
+        "new" => Color.Warning,
+        "consulting" => Color.Info,
+        "contracted" => Color.Success,
+        "rejected" => Color.Error,
+        "closed" => Color.Dark,
+        _ => Color.Default
+    };
+}
@@ -0,0 +1,146 @@
+@page "/admin/faqs/create"
+@page "/admin/faqs/{Id:int}/edit"
+@attribute [Authorize]
+@using TaxBaik.Web.Services
+@using TaxBaik.Domain.Entities
+@inject IFaqBrowserClient FaqClient
+@inject NavigationManager Navigation
+@inject ISnackbar Snackbar
+
+<PageTitle>@(Id.HasValue ? "FAQ 수정" : "FAQ 등록")</PageTitle>
+
+<section class="admin-page-hero">
+    <div>
+        <MudText Typo="Typo.caption" Class="admin-eyebrow">홈페이지</MudText>
+        <MudText Typo="Typo.h4" Class="admin-page-title">@(Id.HasValue ? "FAQ 수정" : "FAQ 등록")</MudText>
+    </div>
+    <MudButton Variant="Variant.Outlined" Href="/taxbaik/admin/faqs"
+               StartIcon="@Icons.Material.Filled.ArrowBack">목록으로</MudButton>
+</section>
+
+<AdminEditorPanel Loading="@isLoading" SkeletonContent="@FaqSkeleton">
+    <MudPaper Class="admin-surface" Elevation="0" Style="max-width:720px;">
+        <MudForm @ref="form" @bind-IsValid="isValid">
+            <MudGrid Spacing="3">
+                <MudItem xs="12">
+                    <MudTextField @bind-Value="faq.Question"
+                                  Label="질문 *" Required="true"
+                                  RequiredError="질문을 입력하세요."
+                                  Counter="300" MaxLength="300"
+                                  Lines="2" AutoGrow="true"
+                                  Placeholder="예: 기장료가 얼마인지 미리 알 수 있나요?" />
+                </MudItem>
+                <MudItem xs="12">
+                    <MudTextField @bind-Value="faq.Answer"
+                                  Label="답변 *" Required="true"
+                                  RequiredError="답변을 입력하세요."
+                                  Lines="5" AutoGrow="true"
+                                  Placeholder="방문자에게 보여질 답변을 입력하세요." />
+                </MudItem>
+                <MudItem xs="12" md="6">
+                    <CommonCodeSelect @bind-Value="faq.Category" Group="FAQ_CATEGORY" Label="카테고리" Clearable="true" Placeholder="전체" />
+                </MudItem>
+                <MudItem xs="12" md="3">
+                    <MudNumericField @bind-Value="faq.SortOrder"
+                                     Label="정렬 순서"
+                                     HelperText="작을수록 위에 노출"
+                                     Min="0" Max="9999" />
+                </MudItem>
+                <MudItem xs="12" md="3" Class="d-flex align-center">
+                    <MudSwitch T="bool" @bind-Value="faq.IsActive" Color="Color.Success"
+                               Label="@(faq.IsActive ? "노출 중" : "비활성")" />
+                </MudItem>
+
+                <MudItem xs="12" Class="d-flex gap-2 mt-2">
+                    <MudButton Variant="Variant.Filled" Color="Color.Primary"
+                               StartIcon="@Icons.Material.Filled.Save"
+                               OnClick="@SaveAsync" Disabled="@isSaving">
+                        @(isSaving ? "저장 중..." : "저장")
+                    </MudButton>
+                    <MudButton Variant="Variant.Outlined" Href="/taxbaik/admin/faqs">
+                        취소
+                    </MudButton>
+                </MudItem>
+            </MudGrid>
+        </MudForm>
+    </MudPaper>
+</AdminEditorPanel>
+
+@code {
+    [Parameter] public int? Id { get; set; }
+
+    private MudForm form = null!;
+    private Faq faq = new() { SortOrder = 10, IsActive = true };
+    private bool isValid;
+    private bool isLoading = true;
+    private bool isSaving;
+
+    private RenderFragment FaqSkeleton => builder =>
+    {
+        builder.OpenComponent<AdminSkeletonRows>(0);
+        builder.AddAttribute(1, "Rows", 5);
+        builder.AddAttribute(2, "Columns", 3);
+        builder.CloseComponent();
+    };
+
+    protected override async Task OnInitializedAsync()
+    {
+        if (Id.HasValue)
+        {
+            try
+            {
+                var existing = await FaqClient.GetByIdAsync(Id.Value);
+                if (existing is null)
+                {
+                    Snackbar.Add("FAQ를 찾을 수 없습니다.", Severity.Error);
+                    Navigation.NavigateTo("/taxbaik/admin/faqs");
+                    return;
+                }
+                faq = existing;
+            }
+            catch (Exception ex)
+            {
+                Snackbar.Add($"오류: {ex.Message}", Severity.Error);
+                Navigation.NavigateTo("/taxbaik/admin/faqs");
+                return;
+            }
+        }
+        isLoading = false;
+    }
+
+    private async Task SaveAsync()
+    {
+        await form.Validate();
+        if (!isValid) return;
+
+        isSaving = true;
+        try
+        {
+            if (Id.HasValue)
+            {
+                var result = await FaqClient.UpdateAsync(Id.Value, faq);
+                if (result != null)
+                    Snackbar.Add("FAQ가 수정되었습니다.", Severity.Success);
+                else
+                    Snackbar.Add("수정 실패", Severity.Error);
+            }
+            else
+            {
+                var result = await FaqClient.CreateAsync(faq);
+                if (result != null)
+                    Snackbar.Add("FAQ가 등록되었습니다.", Severity.Success);
+                else
+                    Snackbar.Add("등록 실패", Severity.Error);
+            }
+            Navigation.NavigateTo("/taxbaik/admin/faqs");
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"저장 실패: {ex.Message}", Severity.Error);
+        }
+        finally
+        {
+            isSaving = false;
+        }
+    }
+}
@@ -0,0 +1,238 @@
+@page "/admin/faqs"
+@attribute [Authorize]
+@using TaxBaik.Web.Services
+@using TaxBaik.Domain.Entities
+@inject IFaqBrowserClient FaqClient
+@inject NavigationManager Navigation
+@inject IDialogService DialogService
+@inject ISnackbar Snackbar
+
+<PageTitle>FAQ 관리</PageTitle>
+
+<section class="admin-page-hero">
+    <div>
+        <MudText Typo="Typo.caption" Class="admin-eyebrow">홈페이지</MudText>
+        <MudText Typo="Typo.h4" Class="admin-page-title">FAQ 관리</MudText>
+        <MudText Typo="Typo.body2" Class="admin-page-subtitle">홈페이지 자주 묻는 질문을 등록하고 순서를 관리합니다.</MudText>
+    </div>
+    <MudButton Variant="Variant.Filled" Color="Color.Primary"
+               StartIcon="@Icons.Material.Filled.Add"
+               Href="/taxbaik/admin/faqs/create">
+        FAQ 등록
+    </MudButton>
+</section>
+
+<div class="d-flex pa-4 gap-4 align-center">
+    <MudTextField @bind-Value="searchQuery" Placeholder="질문 또는 답변 검색..." Adornment="Adornment.Start" 
+                  AdornmentIcon="@Icons.Material.Filled.Search" IconSize="Size.Medium" Class="flex-grow-1" Immediate="true" Clearable="true" />
+</div>
+
+<AdminDataPanel Loading="@(faqs is null)" SkeletonContent="@FaqListSkeleton">
+    @if (faqs is null)
+    {
+    }
+    else if (!FilteredFaqs.Any())
+    {
+        <div class="pa-6 text-center">
+            <MudIcon Icon="@Icons.Material.Filled.QuestionAnswer" Style="font-size:3rem; opacity:.3;" />
+            <MudText Class="mt-2 text-muted">검색 조건에 맞는 FAQ가 없습니다.</MudText>
+        </div>
+    }
+    else
+    {
+        <MudSimpleTable Striped="true" Dense="true" Class="admin-table">
+            <thead>
+                <tr>
+                    <th style="width:110px;">순서</th>
+                    <th>질문</th>
+                    <th style="width:130px;">카테고리</th>
+                    <th style="width:90px;">상태</th>
+                    <th style="width:160px;"></th>
+                </tr>
+            </thead>
+            <tbody>
+                @foreach (var item in FilteredFaqs)
+                {
+                    <tr>
+                        <td>
+                            <div class="d-flex align-center justify-start gap-1">
+                                <MudText Typo="Typo.body2" Class="mr-2">@item.SortOrder</MudText>
+                                <MudIconButton Icon="@Icons.Material.Filled.ArrowDropUp" Size="Size.Small" OnClick="@(() => MoveUpAsync(item))" Style="padding:2px;" Dense="true" />
+                                <MudIconButton Icon="@Icons.Material.Filled.ArrowDropDown" Size="Size.Small" OnClick="@(() => MoveDownAsync(item))" Style="padding:2px;" Dense="true" />
+                            </div>
+                        </td>
+                        <td>
+                            <MudText Typo="Typo.body2" Style="max-width:480px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis;">
+                                @item.Question
+                            </MudText>
+                        </td>
+                        <td>
+                            @if (!string.IsNullOrEmpty(item.Category))
+                            {
+                                <MudChip Size="Size.Small" Color="Color.Default">@item.Category</MudChip>
+                            }
+                        </td>
+                        <td>
+                            @if (item.IsActive)
+                            {
+                                <MudChip Size="Size.Small" Color="Color.Success">노출 중</MudChip>
+                            }
+                            else
+                            {
+                                <MudChip Size="Size.Small" Color="Color.Default">비활성</MudChip>
+                            }
+                        </td>
+                        <td>
+                            <MudButtonGroup Size="Size.Small" Variant="Variant.Outlined">
+                                <MudButton @onclick="@(() => Navigation.NavigateTo($"/taxbaik/admin/faqs/{item.Id}/edit"))">
+                                     수정
+                                </MudButton>
+                                <MudButton Color="Color.Error" @onclick="@(() => DeleteAsync(item))">
+                                     삭제
+                                </MudButton>
+                            </MudButtonGroup>
+                        </td>
+                    </tr>
+                }
+            </tbody>
+        </MudSimpleTable>
+        <MudText Typo="Typo.caption" Class="pa-2 text-muted">
+            검색 결과 @(FilteredFaqs.Count())개 · 총 @(faqs.Count)개 · 노출 중 @(faqs.Count(f => f.IsActive))개
+        </MudText>
+    }
+</AdminDataPanel>
+
+@code {
+    [CascadingParameter]
+    private Task<AuthenticationState>? AuthStateTask { get; set; }
+
+    private List<Faq>? faqs;
+    private string searchQuery = "";
+
+    private RenderFragment FaqListSkeleton => builder =>
+    {
+        builder.OpenComponent<AdminSkeletonRows>(0);
+        builder.AddAttribute(1, "Rows", 5);
+        builder.AddAttribute(2, "Columns", 4);
+        builder.CloseComponent();
+    };
+
+    private IEnumerable<Faq> FilteredFaqs => faqs?
+        .Where(f => string.IsNullOrEmpty(searchQuery) || 
+                    f.Question.Contains(searchQuery, StringComparison.OrdinalIgnoreCase) || 
+                    (f.Answer != null && f.Answer.Contains(searchQuery, StringComparison.OrdinalIgnoreCase)))
+        .OrderBy(f => f.SortOrder) ?? Enumerable.Empty<Faq>();
+
+    protected override async Task OnInitializedAsync()
+    {
+        if (AuthStateTask != null)
+        {
+            var authState = await AuthStateTask;
+            if (authState.User.Identity?.IsAuthenticated == true)
+            {
+                await LoadAsync();
+            }
+        }
+    }
+
+    private async Task LoadAsync()
+    {
+        try
+        {
+            faqs = (await FaqClient.GetAllAsync()).OrderBy(f => f.SortOrder).ToList();
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"오류: {ex.Message}", Severity.Error);
+            faqs = [];
+        }
+    }
+
+    private async Task MoveUpAsync(Faq item)
+    {
+        if (faqs == null) return;
+        var sorted = faqs.OrderBy(f => f.SortOrder).ToList();
+        var index = sorted.IndexOf(item);
+        if (index <= 0) return;
+
+        var prev = sorted[index - 1];
+        var temp = item.SortOrder;
+        item.SortOrder = prev.SortOrder;
+        prev.SortOrder = temp;
+
+        if (item.SortOrder == prev.SortOrder)
+        {
+            prev.SortOrder = item.SortOrder + 1;
+        }
+
+        try
+        {
+            await FaqClient.UpdateAsync(item.Id, item);
+            await FaqClient.UpdateAsync(prev.Id, prev);
+            Snackbar.Add("순서가 상향되었습니다.", Severity.Success);
+            await LoadAsync();
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"순서 조정 실패: {ex.Message}", Severity.Error);
+        }
+    }
+
+    private async Task MoveDownAsync(Faq item)
+    {
+        if (faqs == null) return;
+        var sorted = faqs.OrderBy(f => f.SortOrder).ToList();
+        var index = sorted.IndexOf(item);
+        if (index < 0 || index >= sorted.Count - 1) return;
+
+        var next = sorted[index + 1];
+        var temp = item.SortOrder;
+        item.SortOrder = next.SortOrder;
+        next.SortOrder = temp;
+
+        if (item.SortOrder == next.SortOrder)
+        {
+            next.SortOrder = item.SortOrder + 1;
+        }
+
+        try
+        {
+            await FaqClient.UpdateAsync(item.Id, item);
+            await FaqClient.UpdateAsync(next.Id, next);
+            Snackbar.Add("순서가 하향되었습니다.", Severity.Success);
+            await LoadAsync();
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"순서 조정 실패: {ex.Message}", Severity.Error);
+        }
+    }
+
+    private async Task DeleteAsync(Faq item)
+    {
+        var confirmed = await DialogService.ShowMessageBox(
+            "FAQ 삭제",
+            $"'{item.Question}' 항목을 삭제하시겠습니까?",
+            yesText: "삭제", cancelText: "취소");
+
+        if (confirmed != true) return;
+
+        try
+        {
+            var success = await FaqClient.DeleteAsync(item.Id);
+            if (success)
+            {
+                Snackbar.Add("FAQ가 삭제되었습니다.", Severity.Success);
+                await LoadAsync();
+            }
+            else
+            {
+                Snackbar.Add("삭제 실패", Severity.Error);
+            }
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"오류: {ex.Message}", Severity.Error);
+        }
+    }
+}
@@ -0,0 +1,59 @@
+@page "/admin/inquiries/create"
+@attribute [Authorize]
+@using TaxBaik.Application.DTOs
+@using TaxBaik.WasmClient.Components.Admin.Forms
+@inject IInquiryBrowserClient InquiryClient
+@inject NavigationManager Navigation
+@inject ISnackbar Snackbar
+
+<PageTitle>문의 등록</PageTitle>
+
+<AdminCrudPageShell Title="새 문의 등록"
+                    Eyebrow="Customer Relations"
+                    Subtitle="고객 문의를 등록합니다. (전화, 오프라인 등)"
+                    Loading="@false"
+                    OnCancel="@GoBack">
+    <MudPaper Class="pa-4 mt-4" Elevation="1">
+        <InquiryForm ButtonText="등록" OnSubmit="HandleCreate" OnCancel="GoBack" />
+    </MudPaper>
+</AdminCrudPageShell>
+
+@code {
+    private void GoBack()
+    {
+        Navigation.NavigateTo("/taxbaik/admin/inquiries");
+    }
+
+    private async Task HandleCreate(InquiryForm.InquiryFormModel model)
+    {
+        try
+        {
+            var result = await InquiryClient.CreateAsync(new SubmitInquiryDto
+            {
+                Name = model.Name,
+                Phone = model.Phone,
+                Email = model.Email,
+                ServiceType = model.ServiceType,
+                Message = model.Message,
+                SuppressNotification = true
+            });
+
+            if (result == null)
+            {
+                Snackbar.Add("문의가 등록되지 않았습니다.", Severity.Error);
+                return;
+            }
+
+            Snackbar.Add("문의가 등록되었습니다.", Severity.Success);
+            Navigation.NavigateTo("/taxbaik/admin/inquiries");
+        }
+        catch (ValidationException ex)
+        {
+            Snackbar.Add(ex.Message, Severity.Error);
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"등록 실패: {ex.Message}", Severity.Error);
+        }
+    }
+}
@@ -0,0 +1,204 @@
+@page "/admin/inquiries/{InquiryId:int}"
+@attribute [Authorize]
+@using TaxBaik.Web.Services
+@inject IInquiryBrowserClient InquiryClient
+@inject NavigationManager Navigation
+@inject ISnackbar Snackbar
+
+<PageTitle>문의 상세</PageTitle>
+
+<section class="admin-page-hero">
+    <div>
+        <MudText Typo="Typo.caption" Class="admin-eyebrow">Inquiry Details</MudText>
+        <MudText Typo="Typo.h4" Class="admin-page-title">문의 상세</MudText>
+        <MudText Typo="Typo.body2" Class="admin-page-subtitle">문의 정보를 확인하고 처리 상태를 관리합니다.</MudText>
+    </div>
+</section>
+
+@if (inquiry != null)
+{
+    <MudButton Variant="Variant.Outlined"
+               Color="Color.Primary"
+               StartIcon="@Icons.Material.Filled.ArrowBack"
+               @onclick="@(() => Navigation.NavigateTo("/taxbaik/admin/inquiries"))">
+        문의 목록으로
+    </MudButton>
+
+    <MudGrid Class="mt-4">
+        <MudItem xs="12" md="8">
+            <AdminDetailSection Title="문의 정보">
+                <MudGrid>
+                    <MudItem xs="12" sm="6">
+                        <MudText Typo="Typo.subtitle2" Color="Color.Secondary">이름</MudText>
+                        <MudText>@inquiry.Name</MudText>
+                    </MudItem>
+                    <MudItem xs="12" sm="6">
+                        <MudText Typo="Typo.subtitle2" Color="Color.Secondary">연락처</MudText>
+                        <MudText>@inquiry.Phone</MudText>
+                    </MudItem>
+                    <MudItem xs="12" sm="6">
+                        <MudText Typo="Typo.subtitle2" Color="Color.Secondary">이메일</MudText>
+                        <MudText>@(inquiry.Email ?? "-")</MudText>
+                    </MudItem>
+                    <MudItem xs="12" sm="6">
+                        <MudText Typo="Typo.subtitle2" Color="Color.Secondary">분야</MudText>
+                        <MudText>@inquiry.ServiceType</MudText>
+                    </MudItem>
+                    <MudItem xs="12">
+                        <MudText Typo="Typo.subtitle2" Color="Color.Secondary">문의 내용</MudText>
+                        <MudPaper Class="pa-3 mt-1" Outlined="true">
+                            <MudText Style="white-space: pre-wrap;">@inquiry.Message</MudText>
+                        </MudPaper>
+                    </MudItem>
+                    <MudItem xs="12">
+                        <MudText Typo="Typo.subtitle2" Color="Color.Secondary">접수일시</MudText>
+                        <MudText>@inquiry.CreatedAt.ToLocalTime().ToString("yyyy-MM-dd HH:mm")</MudText>
+                    </MudItem>
+                </MudGrid>
+            </AdminDetailSection>
+
+            <AdminDetailSection Title="담당자 메모" CssClass="pa-4 mt-4">
+                <MudTextField T="string" @bind-Value="adminMemo" Label="내부 메모 (고객에게 미노출)"
+                              Lines="4" Variant="Variant.Outlined" />
+                <MudButton Class="mt-2" Variant="Variant.Filled" Color="Color.Primary"
+                           OnClick="SaveMemo">메모 저장</MudButton>
+            </AdminDetailSection>
+        </MudItem>
+
+        <MudItem xs="12" md="4">
+            <AdminDetailSection Title="처리 상태">
+                <MudStack Spacing="2">
+                    @foreach (var (key, label) in InquiryStatusMapper.Labels)
+                    {
+                        <MudButton Variant="@(inquiry.Status == key ? Variant.Filled : Variant.Outlined)"
+                                   Color="@StatusColor(key)"
+                                   FullWidth="true"
+                                   OnClick="@(() => OnStatusChanged(key))">
+                            @label
+                        </MudButton>
+                    }
+                </MudStack>
+            </AdminDetailSection>
+
+            @if (inquiry.ClientId == null)
+            {
+                <AdminDetailSection Title="고객 카드 생성" CssClass="pa-4 mt-4">
+                    <MudText Typo="Typo.body2" Class="mb-3">이 문의를 고객 카드로 등록합니다.</MudText>
+                    <MudButton Variant="Variant.Filled" Color="Color.Success" FullWidth="true"
+                               OnClick="ConvertToClient">
+                        고객으로 등록
+                    </MudButton>
+                </AdminDetailSection>
+            }
+            else
+            {
+                <AdminDetailSection Title="연결된 고객" CssClass="pa-4 mt-4">
+                    <MudButton Variant="Variant.Outlined" Color="Color.Primary" FullWidth="true"
+                               Href="@($"/taxbaik/admin/clients/{inquiry.ClientId}")">
+                        고객 카드 보기
+                    </MudButton>
+                </AdminDetailSection>
+            }
+        </MudItem>
+    </MudGrid>
+}
+else
+{
+    <MudText>문의를 찾을 수 없습니다.</MudText>
+}
+
+@code {
+    [Parameter]
+    public int InquiryId { get; set; }
+
+    private Domain.Entities.Inquiry? inquiry;
+    private string adminMemo = "";
+
+    protected override async Task OnInitializedAsync()
+    {
+        inquiry = await InquiryClient.GetByIdAsync(InquiryId);
+        adminMemo = inquiry?.AdminMemo ?? "";
+    }
+
+    private async Task OnStatusChanged(string status)
+    {
+        if (inquiry == null) return;
+        try
+        {
+            var success = await InquiryClient.UpdateStatusAsync(inquiry.Id, status);
+            if (success)
+            {
+                inquiry.Status = status;
+                Snackbar.Add("상태가 변경되었습니다.", Severity.Success);
+            }
+            else
+            {
+                Snackbar.Add("상태 변경에 실패했습니다.", Severity.Error);
+            }
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"오류: {ex.Message}", Severity.Error);
+        }
+    }
+
+    private async Task SaveMemo()
+    {
+        if (inquiry == null) return;
+        try
+        {
+            var success = await InquiryClient.UpdateAdminMemoAsync(inquiry.Id, adminMemo);
+            if (success)
+            {
+                inquiry.AdminMemo = adminMemo;
+                Snackbar.Add("메모가 저장되었습니다.", Severity.Success);
+            }
+            else
+            {
+                Snackbar.Add("메모 저장에 실패했습니다.", Severity.Error);
+            }
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"오류: {ex.Message}", Severity.Error);
+        }
+    }
+
+    private async Task ConvertToClient()
+    {
+        if (inquiry == null) return;
+        try
+        {
+            var clientId = await InquiryClient.ConvertToClientAsync(
+                inquiry.Id,
+                inquiry.Name,
+                inquiry.Phone,
+                inquiry.ServiceType);
+
+            if (clientId > 0)
+            {
+                inquiry.ClientId = clientId;
+                inquiry.Status = "consulting";
+                Snackbar.Add("고객 카드가 생성되었습니다.", Severity.Success);
+            }
+            else
+            {
+                Snackbar.Add("고객 카드 생성에 실패했습니다.", Severity.Error);
+            }
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"오류: {ex.Message}", Severity.Error);
+        }
+    }
+
+    private Color StatusColor(string status) => status switch
+    {
+        "new"        => Color.Default,
+        "consulting" => Color.Info,
+        "contracted" => Color.Success,
+        "rejected"   => Color.Error,
+        "closed"     => Color.Dark,
+        _            => Color.Default
+    };
+}
@@ -0,0 +1,164 @@
+@page "/admin/inquiries/{id:int}/edit"
+@attribute [Authorize]
+@using TaxBaik.Application.DTOs
+@using TaxBaik.WasmClient.Components.Admin.Forms
+@inject IInquiryBrowserClient InquiryClient
+@inject NavigationManager Navigation
+@inject ISnackbar Snackbar
+@inject IDialogService DialogService
+
+<PageTitle>문의 수정</PageTitle>
+
+<AdminCrudPageShell Title="문의 수정"
+                    Eyebrow="Customer Relations"
+                    Subtitle="고객 문의 정보를 수정합니다."
+                    Loading="@isLoading"
+                    SkeletonContent="@EditorSkeleton"
+                    OnCancel="@GoBack">
+    @if (inquiry == null)
+{
+    <MudAlert Severity="Severity.Error" Class="mt-4">문의를 찾을 수 없습니다.</MudAlert>
+}
+else
+{
+    <MudPaper Class="pa-4 mt-4" Elevation="1">
+        <InquiryForm ButtonText="수정" InitialData="formModel" OnSubmit="HandleUpdate" OnCancel="GoBack" />
+
+        <MudDivider Class="my-4" />
+
+        <MudButton Variant="Variant.Outlined" Color="Color.Error" @onclick="DeleteInquiry" Class="mt-2">
+            문의 삭제
+        </MudButton>
+    </MudPaper>
+}
+</AdminCrudPageShell>
+
+@code {
+    [Parameter]
+    public int Id { get; set; }
+
+    private Domain.Entities.Inquiry? inquiry;
+    private InquiryForm.InquiryFormModel? formModel;
+    private bool isLoading = true;
+
+    private RenderFragment EditorSkeleton => builder =>
+    {
+        builder.OpenComponent<AdminSkeletonRows>(0);
+        builder.AddAttribute(1, "Rows", 5);
+        builder.AddAttribute(2, "Columns", 3);
+        builder.CloseComponent();
+    };
+
+    protected override async Task OnInitializedAsync()
+    {
+        try
+        {
+            inquiry = await InquiryClient.GetByIdAsync(Id);
+            if (inquiry != null)
+            {
+                formModel = new InquiryForm.InquiryFormModel
+                {
+                    Name = inquiry.Name,
+                    Phone = inquiry.Phone,
+                    Email = inquiry.Email,
+                    ServiceType = inquiry.ServiceType,
+                    Message = inquiry.Message,
+                    Status = inquiry.Status,
+                    AdminMemo = inquiry.AdminMemo
+                };
+            }
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"문의 로드 실패: {ex.Message}", Severity.Error);
+        }
+        finally
+        {
+            isLoading = false;
+        }
+    }
+
+    private void GoBack()
+    {
+        Navigation.NavigateTo("/taxbaik/admin/inquiries");
+    }
+
+    private async Task HandleUpdate(InquiryForm.InquiryFormModel model)
+    {
+        if (inquiry == null)
+            return;
+
+        try
+        {
+            var updated = await InquiryClient.UpdateAsync(inquiry.Id, new UpdateInquiryDto
+            {
+                Name = model.Name,
+                Phone = model.Phone,
+                Email = model.Email,
+                ServiceType = model.ServiceType,
+                Message = model.Message,
+                Status = model.Status,
+                AdminMemo = model.AdminMemo
+            });
+
+            if (updated == null)
+            {
+                Snackbar.Add("문의 수정에 실패했습니다.", Severity.Error);
+                return;
+            }
+
+            inquiry = updated;
+            formModel = new InquiryForm.InquiryFormModel
+            {
+                Name = inquiry.Name,
+                Phone = inquiry.Phone,
+                Email = inquiry.Email,
+                ServiceType = inquiry.ServiceType,
+                Message = inquiry.Message,
+                Status = inquiry.Status,
+                AdminMemo = inquiry.AdminMemo
+            };
+
+            Snackbar.Add("문의가 수정되었습니다.", Severity.Success);
+            Navigation.NavigateTo("/taxbaik/admin/inquiries");
+        }
+        catch (ValidationException ex)
+        {
+            Snackbar.Add(ex.Message, Severity.Error);
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"수정 실패: {ex.Message}", Severity.Error);
+        }
+    }
+
+    private async Task DeleteInquiry()
+    {
+        if (inquiry == null)
+            return;
+
+        var result = await DialogService.ShowMessageBox(
+            "문의 삭제",
+            "정말 삭제하시겠습니까? 이 작업은 취소할 수 없습니다.",
+            "삭제", "취소");
+
+        if (result != true)
+            return;
+
+        try
+        {
+            var deleted = await InquiryClient.DeleteAsync(inquiry.Id);
+            if (!deleted)
+            {
+                Snackbar.Add("문의 삭제에 실패했습니다.", Severity.Error);
+                return;
+            }
+            Snackbar.Add("문의가 삭제되었습니다.", Severity.Success);
+            Navigation.NavigateTo("/taxbaik/admin/inquiries");
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"삭제 실패: {ex.Message}", Severity.Error);
+        }
+    }
+}
@@ -0,0 +1,74 @@
+@page "/admin/inquiries"
+@attribute [Authorize]
+@using TaxBaik.Web.Services
+@inject IInquiryBrowserClient InquiryClient
+
+<PageTitle>문의 관리</PageTitle>
+
+<AdminPageHeader Title="문의 관리" Eyebrow="Customer Requests" Subtitle="상담 요청을 상태별로 확인하고 후속 조치를 기록합니다.">
+    <ChildContent>
+        <MudButton Variant="Variant.Filled" Color="Color.Primary" StartIcon="@Icons.Material.Filled.Add"
+                   Href="/taxbaik/admin/inquiries/create">새 문의 등록</MudButton>
+    </ChildContent>
+</AdminPageHeader>
+
+<AdminDataPanel Loading="@isLoading">
+    <MudTabs Rounded="true" Elevation="0" Class="admin-tabs">
+        <MudTabPanel Text="전체">
+            <InquiryTable Inquiries="allInquiries" Status="" />
+        </MudTabPanel>
+        <MudTabPanel Text="신규">
+            <InquiryTable Inquiries="allInquiries" Status="new" />
+        </MudTabPanel>
+        <MudTabPanel Text="상담중">
+            <InquiryTable Inquiries="allInquiries" Status="consulting" />
+        </MudTabPanel>
+        <MudTabPanel Text="계약완료">
+            <InquiryTable Inquiries="allInquiries" Status="contracted" />
+        </MudTabPanel>
+        <MudTabPanel Text="거절">
+            <InquiryTable Inquiries="allInquiries" Status="rejected" />
+        </MudTabPanel>
+        <MudTabPanel Text="종결">
+            <InquiryTable Inquiries="allInquiries" Status="closed" />
+        </MudTabPanel>
+    </MudTabs>
+</AdminDataPanel>
+
+@code {
+    [CascadingParameter]
+    private Task<AuthenticationState>? AuthStateTask { get; set; }
+
+    private bool isLoading = true;
+    private IReadOnlyList<Domain.Entities.Inquiry> allInquiries = [];
+
+    protected override async Task OnInitializedAsync()
+    {
+        if (AuthStateTask != null)
+        {
+            var authState = await AuthStateTask;
+            if (authState.User.Identity?.IsAuthenticated == true)
+            {
+                await LoadData();
+            }
+        }
+    }
+
+    private async Task LoadData()
+    {
+        isLoading = true;
+        try
+        {
+            var (items, _) = await InquiryClient.GetPagedAsync(1, 200);
+            allInquiries = items.ToList();
+        }
+        catch
+        {
+            allInquiries = [];
+        }
+        finally
+        {
+            isLoading = false;
+        }
+    }
+}
@@ -0,0 +1,6 @@
+@page "/admin/login"
+@layout TaxBaik.WasmClient.Components.Admin.Layout.BlankLayout
+@attribute [AllowAnonymous]
+@rendermode @(new InteractiveWebAssemblyRenderMode(prerender: true))
+<PageTitle>로그인</PageTitle>
+<AdminLoginForm />
@@ -0,0 +1,17 @@
+@page "/admin/logout"
+@using TaxBaik.Web.Services
+@inject CustomAuthenticationStateProvider AuthStateProvider
+@inject NavigationManager NavigationManager
+
+<PageTitle>로그아웃</PageTitle>
+
+@code {
+    protected override async Task OnInitializedAsync()
+    {
+        // 사용자 로그아웃
+        await AuthStateProvider.LogoutAsync();
+
+        // 로그인 페이지로 리다이렉트
+        NavigationManager.NavigateTo("/taxbaik/admin/login", forceLoad: true);
+    }
+}
@@ -0,0 +1,268 @@
+@page "/admin/revenue-trackings"
+@using TaxBaik.Web.Services.AdminClients
+@using TaxBaik.WasmClient.Components.Admin.Shared
+@inject IRevenueTrackingBrowserClient RevenueClient
+@inject IClientBrowserClient ClientClient
+@inject ISnackbar Snackbar
+@inject IDialogService DialogService
+@attribute [Authorize]
+
+<PageTitle>수익 추적 관리</PageTitle>
+
+<section class="admin-page-hero">
+    <div>
+        <MudText Typo="Typo.caption" Class="admin-eyebrow">CRM & 세무관리</MudText>
+        <MudText Typo="Typo.h4" Class="admin-page-title">수익 추적 관리</MudText>
+        <MudText Typo="Typo.body2" Class="admin-page-subtitle">청구, 납부, 미수금 상태를 한 화면에서 관리합니다.</MudText>
+    </div>
+    <MudButton Variant="Variant.Filled" Color="Color.Primary" OnClick="OpenCreateDialog" StartIcon="@Icons.Material.Filled.Add">
+        새 청구 추가
+    </MudButton>
+</section>
+
+<AdminDataPanel Loading="@(revenues is null)" SkeletonContent="@RevenueSkeleton">
+    @if (revenues is null)
+    {
+    }
+    else if (revenues.Count == 0)
+    {
+        <MudAlert Severity="Severity.Info" Class="mt-4">
+            <MudIcon Icon="@Icons.Material.Filled.Payments" Class="me-2" />
+            청구 기록이 없습니다.
+        </MudAlert>
+    }
+    else
+    {
+        <MudDataGrid T="RevenueTracking"
+            Items="@revenues"
+            Dense="true"
+            Hover="true"
+            Striped="true"
+            Virtualize="true"
+            RowsPerPage="30"
+            Class="admin-grid">
+            <Columns>
+                <PropertyColumn Property="x => x.Id" Title="ID" Sortable="true" />
+                <TemplateColumn Title="고객">
+                    <CellTemplate>
+                        @if (clientMap.TryGetValue(context.Item.ClientId, out var clientName))
+                        {
+                            <MudLink Href="@($"/taxbaik/admin/clients/{context.Item.ClientId}")" Color="Color.Primary">
+                                @clientName
+                            </MudLink>
+                        }
+                    </CellTemplate>
+                </TemplateColumn>
+                <PropertyColumn Property="x => x.InvoiceNumber" Title="청구번호" />
+                <PropertyColumn Property="x => x.InvoiceDate" Title="청구일" Format="yyyy-MM-dd" />
+                <PropertyColumn Property="x => x.Amount" Title="청구액" Format="C" />
+                <TemplateColumn Title="납부여부">
+                    <CellTemplate>
+                        @if (context.Item.PaymentStatus == "paid")
+                        {
+                            <MudChip Size="Size.Small" Color="Color.Success" Variant="Variant.Filled">납부</MudChip>
+                        }
+                        else
+                        {
+                            <MudChip Size="Size.Small" Color="Color.Warning" Variant="Variant.Filled">미납</MudChip>
+                        }
+                    </CellTemplate>
+                </TemplateColumn>
+                <TemplateColumn Title="작업" Sortable="false">
+                    <CellTemplate>
+                        <MudButtonGroup Size="Size.Small" Variant="Variant.Outlined">
+                            @if (context.Item.PaymentStatus != "paid")
+                            {
+                                <MudIconButton Icon="@Icons.Material.Filled.CheckCircle" Color="Color.Success"
+                                    OnClick="@(async () => await MarkPaid(context.Item.Id))" Title="납부 처리" />
+                            }
+                            <MudIconButton Icon="@Icons.Material.Filled.Delete" Color="Color.Error"
+                                OnClick="@(async () => await DeleteRevenue(context.Item.Id))" />
+                        </MudButtonGroup>
+                    </CellTemplate>
+                </TemplateColumn>
+            </Columns>
+        </MudDataGrid>
+    }
+</AdminDataPanel>
+
+<!-- Create Dialog -->
+<MudDialog @bind-IsVisible="isDialogOpen" Options="new DialogOptions { MaxWidth = MaxWidth.Small, FullWidth = true }">
+    <TitleContent>
+        <MudText Typo="Typo.h6">새 청구 추가</MudText>
+    </TitleContent>
+    <DialogContent>
+        <MudForm @ref="form">
+            <MudSelect T="int" @bind-Value="revenueForm.ClientId" Label="고객" Required="true" Variant="Variant.Outlined" FullWidth="true" Class="mb-4">
+                @foreach (var client in clients)
+                {
+                    <MudSelectItem Value="@client.Id">@GetClientDisplayName(client)</MudSelectItem>
+                }
+            </MudSelect>
+            <MudTextField T="string" @bind-Value="revenueForm.InvoiceNumber" Label="청구번호" Variant="Variant.Outlined" FullWidth="true" Class="mb-4" Required="true" />
+            <MudDatePicker @bind-Date="revenueForm.InvoiceDate" Label="청구일" Variant="Variant.Outlined" FullWidth="true" Class="mb-4" Required="true" />
+            <MudNumericField T="decimal" @bind-Value="revenueForm.Amount" Label="청구액" Variant="Variant.Outlined" FullWidth="true" Class="mb-4" Required="true" />
+            <CommonCodeSelect @bind-Value="revenueForm.ServiceType" Group="REVENUE_SERVICE_TYPE" Label="서비스 유형" Class="mb-4" />
+            <MudDatePicker @bind-Date="revenueForm.DueDate" Label="납부예정일" Variant="Variant.Outlined" FullWidth="true" Class="mb-4" />
+        </MudForm>
+    </DialogContent>
+    <DialogActions>
+        <MudButton OnClick="CloseDialog">취소</MudButton>
+        <MudButton Color="Color.Primary" OnClick="SaveRevenue">저장</MudButton>
+    </DialogActions>
+</MudDialog>
+
+@code {
+    [CascadingParameter]
+    private Task<AuthenticationState>? AuthStateTask { get; set; }
+
+    private List<RevenueTracking>? revenues;
+    private List<Client> clients = [];
+    private Dictionary<int, string> clientMap = new();
+    private MudForm? form;
+    private bool isDialogOpen;
+    private RevenueForm revenueForm = new();
+
+    private RenderFragment RevenueSkeleton => builder =>
+    {
+        builder.OpenComponent<AdminSkeletonRows>(0);
+        builder.AddAttribute(1, "Rows", 5);
+        builder.AddAttribute(2, "Columns", 5);
+        builder.CloseComponent();
+    };
+
+    protected override async Task OnInitializedAsync()
+    {
+        if (AuthStateTask != null)
+        {
+            var authState = await AuthStateTask;
+            if (authState.User.Identity?.IsAuthenticated == true)
+            {
+                await LoadData();
+            }
+        }
+    }
+
+    private async Task LoadData()
+    {
+        try
+        {
+            revenues = await RevenueClient.GetAllAsync();
+            var (clientItems, _) = await ClientClient.GetPagedAsync(pageSize: 1000);
+            clients = clientItems.ToList();
+            clientMap = clients.ToDictionary(c => c.Id, GetClientDisplayName);
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"데이터 로드 실패: {ex.Message}", Severity.Error);
+        }
+    }
+
+    private void OpenCreateDialog()
+    {
+        revenueForm = new RevenueForm
+        {
+            ClientId = clients.FirstOrDefault()?.Id ?? 0,
+            InvoiceDate = DateTime.Today,
+            DueDate = DateTime.Today.AddDays(14)
+        };
+        isDialogOpen = true;
+    }
+
+    private async Task SaveRevenue()
+    {
+        if (form != null)
+        {
+            await form.Validate();
+            if (!form.IsValid)
+            {
+                Snackbar.Add("필수 항목을 입력해주세요.", Severity.Warning);
+                return;
+            }
+        }
+
+        try
+        {
+            var newId = await RevenueClient.CreateAsync(
+                revenueForm.ClientId,
+                revenueForm.InvoiceNumber,
+                revenueForm.InvoiceDate ?? DateTime.Now,
+                revenueForm.Amount,
+                revenueForm.ServiceType,
+                revenueForm.DueDate);
+
+            if (newId > 0)
+            {
+                Snackbar.Add("청구가 추가되었습니다.", Severity.Success);
+                CloseDialog();
+                await LoadData();
+            }
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"저장 실패: {ex.Message}", Severity.Error);
+        }
+    }
+
+    private async Task MarkPaid(int id)
+    {
+        try
+        {
+            await RevenueClient.MarkPaidAsync(id, DateTime.Now);
+            Snackbar.Add("납부가 처리되었습니다.", Severity.Success);
+            await LoadData();
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"처리 실패: {ex.Message}", Severity.Error);
+        }
+    }
+
+    private async Task DeleteRevenue(int id)
+    {
+        var parameters = new DialogParameters
+        {
+            { "Title", "삭제 확인" },
+            { "Message", "이 청구를 삭제하시겠습니까?" }
+        };
+
+        var dialog = await DialogService.ShowAsync<ConfirmDialog>("", parameters);
+        var result = await dialog.Result;
+
+        if (result?.Canceled ?? true)
+            return;
+
+        try
+        {
+            await RevenueClient.DeleteAsync(id);
+            Snackbar.Add("청구가 삭제되었습니다.", Severity.Success);
+            await LoadData();
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"삭제 실패: {ex.Message}", Severity.Error);
+        }
+    }
+
+    private void CloseDialog()
+    {
+        isDialogOpen = false;
+        revenueForm = new();
+    }
+
+    private static string GetClientDisplayName(Client client)
+        => !string.IsNullOrWhiteSpace(client.CompanyName)
+            ? client.CompanyName
+            : !string.IsNullOrWhiteSpace(client.Name)
+                ? client.Name
+                : $"Client #{client.Id}";
+    private class RevenueForm
+    {
+        public int ClientId { get; set; }
+        public string InvoiceNumber { get; set; } = "";
+        public DateTime? InvoiceDate { get; set; }
+        public decimal Amount { get; set; }
+        public string? ServiceType { get; set; }
+        public DateTime? DueDate { get; set; }
+    }
+}
@@ -0,0 +1,211 @@
+@page "/admin/season-simulator"
+@attribute [Authorize]
+@using TaxBaik.Application.Seasonal
+@using TaxBaik.Application.Services
+
+<PageTitle>시즌 시뮬레이터</PageTitle>
+
+<section class="admin-page-hero">
+    <div>
+        <MudText Typo="Typo.caption" Class="admin-eyebrow">Season Preview</MudText>
+        <MudText Typo="Typo.h4" Class="admin-page-title">시즌 시뮬레이터</MudText>
+        <MudText Typo="Typo.body2" Class="admin-page-subtitle">날짜를 선택해 홈페이지 시즌 화면이 어떻게 보이는지 미리 확인합니다.</MudText>
+    </div>
+</section>
+
+<MudGrid>
+    <MudItem xs="12" md="4">
+        <MudPaper Class="pa-4" Elevation="1">
+            <MudText Typo="Typo.h6" Class="mb-3">시뮬레이션 날짜</MudText>
+            <MudDatePicker @bind-Date="simulationDate" Label="날짜 선택" DateFormat="yyyy-MM-dd" PickerVariant="PickerVariant.Static" />
+            <MudDivider Class="my-3" />
+            <MudText Typo="Typo.subtitle2" Class="mb-2">연간 세무 캘린더</MudText>
+            @foreach (var season in TaxSeasonCalendar.Seasons)
+            {
+                <MudButton Variant="Variant.Outlined" Size="Size.Small" FullWidth="true"
+                           Class="mb-1" Color="Color.Primary"
+                           OnClick="@(() => JumpToSeason(season))">
+                    @season.StartMonth/@season.StartDay — @season.Name
+                </MudButton>
+            }
+        </MudPaper>
+    </MudItem>
+
+    <MudItem xs="12" md="8">
+        <MudPaper Class="pa-4" Elevation="1">
+            <MudText Typo="Typo.h6" Class="mb-1">
+                @(simulationDate?.ToString("yyyy년 MM월 dd일") ?? "날짜를 선택하세요") 홈페이지 미리보기
+            </MudText>
+            @if (activeSeason != null)
+            {
+                <MudChip T="string" Color="Color.Warning" Size="Size.Small" Class="mb-3">
+                    @activeSeason.Name 시즌 활성
+                </MudChip>
+                <MudDivider Class="mb-4" />
+                <!-- Hero 섹션 미리보기 -->
+                <div style="background: linear-gradient(135deg, #1a365d 0%, #2a4365 100%); border-radius: 12px; padding: 2rem; color: white; margin-bottom: 1.5rem;">
+                    @if (activeSeason.DaysUntilDeadline <= 7 && activeSeason.DaysUntilDeadline >= 0)
+                    {
+                        <div style="background: #f59e0b; color: #1a202c; display: inline-block; padding: 4px 12px; border-radius: 20px; font-size: 0.8rem; font-weight: 700; margin-bottom: 1rem;">
+                            D-@activeSeason.DaysUntilDeadline 마감 임박
+                        </div>
+                    }
+                    <div style="font-size: 1.8rem; font-weight: 800; white-space: pre-line; margin-bottom: 0.5rem; line-height: 1.3;">
+                        @activeSeason.HeroHeadline
+                    </div>
+                    <div style="font-size: 0.95rem; color: rgba(255,255,255,0.8); margin-bottom: 1.5rem;">
+                        @activeSeason.HeroSubtext
+                    </div>
+                    <div style="display: flex; gap: 0.75rem; flex-wrap: wrap;">
+                        <div style="background: #e53e3e; color: white; padding: 10px 20px; border-radius: 8px; font-weight: 700; font-size: 0.95rem;">
+                            @activeSeason.CtaText
+                        </div>
+                        <div style="background: transparent; border: 2px solid rgba(255,255,255,0.5); color: white; padding: 10px 20px; border-radius: 8px; font-size: 0.95rem;">
+                            서비스 안내
+                        </div>
+                    </div>
+                </div>
+
+                <MudGrid Spacing="2">
+                    <MudItem xs="6">
+                        <MudText Typo="Typo.subtitle2" Color="Color.Secondary">활성 시즌 키</MudText>
+                        <MudText><code>@activeSeason.Key</code></MudText>
+                    </MudItem>
+                    <MudItem xs="6">
+                        <MudText Typo="Typo.subtitle2" Color="Color.Secondary">마감까지</MudText>
+                        <MudText>
+                            @if (activeSeason.DaysUntilDeadline >= 0)
+                            {
+                                <MudChip T="string" Size="Size.Small"
+                                         Color="@(activeSeason.DaysUntilDeadline <= 7 ? Color.Error : Color.Warning)">
+                                    D-@activeSeason.DaysUntilDeadline
+                                </MudChip>
+                            }
+                            else
+                            {
+                                <span>마감 후 @(-activeSeason.DaysUntilDeadline)일</span>
+                            }
+                        </MudText>
+                    </MudItem>
+                    <MudItem xs="6">
+                        <MudText Typo="Typo.subtitle2" Color="Color.Secondary">포커스 서비스</MudText>
+                        <MudText>@activeSeason.FocusService</MudText>
+                    </MudItem>
+                    <MudItem xs="6">
+                        <MudText Typo="Typo.subtitle2" Color="Color.Secondary">블로그 카테고리</MudText>
+                        <MudText>@activeSeason.RelatedCategorySlug</MudText>
+                    </MudItem>
+                    <MudItem xs="12">
+                        <MudText Typo="Typo.subtitle2" Color="Color.Secondary">긴박감 배지 문구</MudText>
+                        <MudText><code>@activeSeason.UrgencyBadge</code></MudText>
+                    </MudItem>
+                </MudGrid>
+            }
+            else
+            {
+                <MudAlert Severity="Severity.Info">
+                    선택한 날짜(@(simulationDate?.ToString("MM월 dd일") ?? "-"))는 시즌 비활성 기간입니다.
+                    홈페이지는 기본 Hero를 표시합니다.
+                </MudAlert>
+                <div style="background: linear-gradient(135deg, #1a365d 0%, #2a4365 100%); border-radius: 12px; padding: 2rem; color: white; margin-top: 1.5rem;">
+                    <div style="font-size: 1.8rem; font-weight: 800; margin-bottom: 0.5rem;">
+                        사업자 세금, 부동산,<br/>가족자산까지
+                    </div>
+                    <div style="font-size: 0.95rem; color: rgba(255,255,255,0.8); margin-bottom: 1.5rem;">
+                        세무사·부동산중개사·보험설계사 자격 보유 | 온라인 맞춤 상담
+                    </div>
+                    <div style="background: #e53e3e; color: white; display: inline-block; padding: 10px 20px; border-radius: 8px; font-weight: 700;">
+                        무료 상담 신청
+                    </div>
+                </div>
+            }
+        </MudPaper>
+
+        <MudPaper Class="pa-4 mt-4" Elevation="1">
+            <MudText Typo="Typo.h6" Class="mb-3">연간 시즌 타임라인</MudText>
+            <MudSimpleTable Dense="true">
+                <thead>
+                    <tr>
+                        <th>기간</th>
+                        <th>시즌</th>
+                        <th>블로그 카테고리</th>
+                        <th>상태</th>
+                    </tr>
+                </thead>
+                <tbody>
+                    @foreach (var s in TaxSeasonCalendar.Seasons)
+                    {
+                        var isActive = activeSeason?.Key == s.Key;
+                        <tr style="@(isActive ? "background: rgba(66,153,225,0.1);" : "")">
+                            <td style="white-space: nowrap;">
+                                @s.StartMonth/@s.StartDay ~ @s.EndMonth/@s.EndDay
+                            </td>
+                            <td>@s.Name</td>
+                            <td><code style="font-size:0.8rem;">@s.RelatedCategorySlug</code></td>
+                            <td>
+                                @if (isActive)
+                                {
+                                    <MudChip T="string" Size="Size.Small" Color="Color.Success">활성</MudChip>
+                                }
+                                else
+                                {
+                                    <span style="color: #a0aec0; font-size: 0.85rem;">비활성</span>
+                                }
+                            </td>
+                        </tr>
+                    }
+                </tbody>
+            </MudSimpleTable>
+        </MudPaper>
+    </MudItem>
+</MudGrid>
+
+@code {
+    private DateTime? simulationDate = DateTime.Today;
+    private CurrentSeasonDto? activeSeason;
+
+    protected override void OnInitialized() => ComputeSeason();
+
+    private void ComputeSeason()
+    {
+        if (simulationDate == null) { activeSeason = null; return; }
+        var date = simulationDate.Value;
+        var season = TaxSeasonCalendar.Seasons.FirstOrDefault(s =>
+        {
+            var start = new DateTime(date.Year, s.StartMonth, s.StartDay);
+            var endYear = (s.EndMonth < s.StartMonth) ? date.Year + 1 : date.Year;
+            var end = new DateTime(endYear, s.EndMonth, s.EndDay);
+            return date >= start && date <= end;
+        });
+
+        if (season == null) { activeSeason = null; return; }
+
+        var endYearCalc = (season.EndMonth < season.StartMonth) ? date.Year + 1 : date.Year;
+        var deadline = new DateTime(endYearCalc, season.EndMonth, season.EndDay);
+        var ddays = (deadline.Date - date.Date).Days;
+
+        var badge = ddays <= 7 && ddays >= 0
+            ? season.UrgencyBadge.Replace("{n}", ddays.ToString())
+            : season.UrgencyBadge;
+
+        activeSeason = new CurrentSeasonDto
+        {
+            Key = season.Key,
+            Name = season.Name,
+            HeroHeadline = season.HeroHeadline,
+            HeroSubtext = season.HeroSubtext,
+            UrgencyBadge = badge,
+            FocusService = season.FocusService,
+            RelatedCategorySlug = season.RelatedCategorySlug,
+            CtaText = season.CtaText,
+            DaysUntilDeadline = ddays,
+            Deadline = deadline
+        };
+    }
+
+    private void JumpToSeason(TaxSeason season)
+    {
+        simulationDate = new DateTime(DateTime.Today.Year, season.StartMonth, season.StartDay);
+        ComputeSeason();
+    }
+}
@@ -0,0 +1,208 @@
+@page "/admin/settings"
+@attribute [Authorize]
+@using System.ComponentModel.DataAnnotations
+@using System.Collections.Generic
+@using TaxBaik.Web.Services
+@using TaxBaik.Domain.Interfaces
+@inject IApiClient ApiClient
+@inject ISnackbar Snackbar
+
+<PageTitle>설정</PageTitle>
+
+<MudContainer MaxWidth="MaxWidth.Large" Class="pa-6">
+    <section class="admin-page-hero">
+        <div>
+            <MudText Typo="Typo.caption" Class="admin-eyebrow">System</MudText>
+            <MudText Typo="Typo.h4" Class="admin-page-title">설정</MudText>
+            <MudText Typo="Typo.body2" Class="admin-page-subtitle">공개 사이트 연락처와 관리자 계정 보안을 관리합니다.</MudText>
+        </div>
+    </section>
+</MudContainer>
+
+<MudGrid>
+    <MudItem xs="12" md="7">
+        <MudPaper Class="admin-surface" Elevation="0">
+            <div class="admin-section-header compact">
+                <div>
+                    <MudText Typo="Typo.h6">사이트 정보</MudText>
+                    <MudText Typo="Typo.body2">홈페이지와 문의 알림에 노출되는 기본 정보입니다.</MudText>
+                </div>
+            </div>
+            <MudForm>
+                <MudTextField @bind-Value="phone" Label="전화번호"
+                    Variant="Variant.Outlined" Class="mb-4" />
+
+                <MudTextField @bind-Value="email" Label="이메일"
+                    Variant="Variant.Outlined" Class="mb-4" />
+
+                <MudTextField @bind-Value="kakaoUrl" Label="카카오채널 URL"
+                    Variant="Variant.Outlined" Class="mb-4" />
+
+                <MudTextField @bind-Value="instagramUrl" Label="인스타그램"
+                    Variant="Variant.Outlined" Class="mb-4" />
+
+                <MudButton Variant="Variant.Filled" Color="Color.Primary"
+                    StartIcon="@Icons.Material.Filled.Save"
+                    @onclick="SaveSettings">사이트 정보 저장</MudButton>
+            </MudForm>
+        </MudPaper>
+    </MudItem>
+
+    <MudItem xs="12" md="5">
+        <MudPaper Class="admin-surface admin-account-card" Elevation="0">
+            <div class="admin-section-header compact">
+                <div>
+                    <MudText Typo="Typo.h6">계정 관리</MudText>
+                    <MudText Typo="Typo.body2">비밀번호는 12자 이상으로 관리합니다.</MudText>
+                </div>
+            </div>
+
+            <MudForm>
+                <MudTextField @bind-Value="currentPassword" Label="현재 비밀번호" InputType="InputType.Password"
+                    Variant="Variant.Outlined" Class="mb-4" />
+
+                <MudTextField @bind-Value="newPassword" Label="새 비밀번호" InputType="InputType.Password"
+                    Variant="Variant.Outlined" Class="mb-4" />
+
+                <MudTextField @bind-Value="confirmNewPassword" Label="새 비밀번호 확인" InputType="InputType.Password"
+                    Variant="Variant.Outlined" Class="mb-4" />
+
+                <MudButton Variant="Variant.Filled" Color="Color.Primary"
+                    Disabled="@isChangingPassword"
+                    StartIcon="@Icons.Material.Filled.LockReset"
+                    @onclick="ChangePassword">
+                    @(isChangingPassword ? "변경 중..." : "비밀번호 변경")
+                </MudButton>
+            </MudForm>
+        </MudPaper>
+    </MudItem>
+</MudGrid>
+
+@code {
+    private string phone = "010-4122-8268";
+    private string email = "taxbaik5668@gmail.com";
+    private string kakaoUrl = "http://pf.kakao.com/_xoxchTX";
+    private string instagramUrl = "https://www.instagram.com/taxtory5668/";
+    private string currentPassword = "";
+    private string newPassword = "";
+    private string confirmNewPassword = "";
+    private bool isChangingPassword;
+    private bool isLoadingSettings;
+
+    protected override async Task OnInitializedAsync()
+    {
+        await LoadSettingsAsync();
+    }
+
+    private async Task LoadSettingsAsync()
+    {
+        isLoadingSettings = true;
+
+        try
+        {
+            var settings = await ApiClient.GetAsync<Dictionary<string, string>>("site-settings");
+            if (settings is null || settings.Count == 0)
+                return;
+
+            if (settings.TryGetValue("PhoneNumber", out var loadedPhone) && !string.IsNullOrWhiteSpace(loadedPhone))
+                phone = loadedPhone;
+
+            if (settings.TryGetValue("EmailAddress", out var loadedEmail) && !string.IsNullOrWhiteSpace(loadedEmail))
+                email = loadedEmail;
+
+            if (settings.TryGetValue("KakaoChannelUrl", out var loadedKakao) && !string.IsNullOrWhiteSpace(loadedKakao))
+                kakaoUrl = loadedKakao;
+
+            if (settings.TryGetValue("InstagramUrl", out var loadedInstagram) && !string.IsNullOrWhiteSpace(loadedInstagram))
+                instagramUrl = loadedInstagram;
+        }
+        catch
+        {
+            Snackbar.Add("사이트 설정을 불러오지 못했습니다.", Severity.Warning);
+        }
+        finally
+        {
+            isLoadingSettings = false;
+        }
+    }
+
+    private async Task SaveSettings()
+    {
+        if (isLoadingSettings)
+            return;
+
+        var response = await ApiClient.PutAsync<SaveSettingsResponse>("site-settings", new
+        {
+            Phone = phone,
+            Email = email,
+            KakaoUrl = kakaoUrl,
+            InstagramUrl = instagramUrl
+        });
+
+        if (response?.Message is null)
+        {
+            Snackbar.Add("설정 저장에 실패했습니다.", Severity.Error);
+            return;
+        }
+
+        Snackbar.Add(response.Message, Severity.Success);
+    }
+
+    private async Task ChangePassword()
+    {
+        if (isChangingPassword)
+            return;
+
+        if (string.IsNullOrWhiteSpace(currentPassword) || string.IsNullOrWhiteSpace(newPassword))
+        {
+            Snackbar.Add("현재 비밀번호와 새 비밀번호를 입력하세요.", Severity.Warning);
+            return;
+        }
+
+        if (newPassword != confirmNewPassword)
+        {
+            Snackbar.Add("새 비밀번호 확인이 일치하지 않습니다.", Severity.Warning);
+            return;
+        }
+
+        isChangingPassword = true;
+
+        try
+        {
+            var response = await ApiClient.PostAsync<ChangePasswordResponse>("auth/change-password", new
+            {
+                CurrentPassword = currentPassword,
+                NewPassword = newPassword
+            });
+
+            if (response?.Message == null)
+            {
+                Snackbar.Add("비밀번호 변경에 실패했습니다.", Severity.Error);
+                return;
+            }
+
+            Snackbar.Add(response.Message, Severity.Success);
+            currentPassword = "";
+            newPassword = "";
+            confirmNewPassword = "";
+        }
+        catch
+        {
+            Snackbar.Add("비밀번호 변경 중 오류가 발생했습니다.", Severity.Error);
+        }
+        finally
+        {
+            isChangingPassword = false;
+        }
+    }
+
+    private class ChangePasswordResponse
+    {
+        public string Message { get; set; } = "";
+    }
+
+    private class SaveSettingsResponse
+    {
+        public string Message { get; set; } = "";
+    }
+}
@@ -0,0 +1,344 @@
+@page "/admin/tax-filing-schedules"
+@using TaxBaik.Web.Services.AdminClients
+@using TaxBaik.Domain.Entities
+@using TaxBaik.WasmClient.Components.Admin.Shared
+@inject ITaxFilingScheduleBrowserClient TaxFilingClient
+@inject IClientBrowserClient ClientClient
+@inject ISnackbar Snackbar
+@inject IDialogService DialogService
+@attribute [Authorize]
+
+<PageTitle>신고 일정</PageTitle>
+
+<section class="admin-page-hero">
+    <div>
+        <MudText Typo="Typo.caption" Class="admin-eyebrow">CRM & 세무관리</MudText>
+        <MudText Typo="Typo.h4" Class="admin-page-title">신고 일정</MudText>
+        <MudText Typo="Typo.body2" Class="admin-page-subtitle">고객별 마감일과 처리 상태를 한 화면에서 관리합니다.</MudText>
+    </div>
+    <MudButton Variant="Variant.Filled" Color="Color.Primary" OnClick="PrepareCreate" StartIcon="@Icons.Material.Filled.Add" id="btn-add-schedule">
+        새 일정 추가
+    </MudButton>
+</section>
+
+<AdminDataPanel Loading="@(schedules is null)" SkeletonContent="@ScheduleSkeleton">
+@if (schedules is null)
+{
+}
+else
+{
+    <MudGrid Spacing="2" Class="mt-2">
+        <!-- Left: Dense Grid List -->
+        <MudItem XS="12" MD="8">
+            @if (schedules.Count == 0)
+            {
+                <MudAlert Severity="Severity.Info">
+                    <MudIcon Icon="@Icons.Material.Filled.EventBusy" Class="me-2" />
+                    신고 일정이 없습니다.
+                </MudAlert>
+            }
+            else
+            {
+                <MudDataGrid T="TaxFilingSchedule"
+                             Items="@schedules"
+                             Dense="true"
+                             Hover="true"
+                             Striped="true"
+                             Virtualize="true"
+                             RowsPerPage="30"
+                             SelectedItem="@selectedSchedule"
+                             SelectedItemChanged="OnRowSelected"
+                             Class="admin-grid">
+                    <Columns>
+                        <PropertyColumn Property="x => x.Id" Title="ID" Sortable="true" />
+                        <TemplateColumn Title="고객">
+                            <CellTemplate>
+                                @if (clientMap.TryGetValue(context.Item.ClientId, out var clientName))
+                                {
+                                    @clientName
+                                }
+                            </CellTemplate>
+                        </TemplateColumn>
+                        <PropertyColumn Property="x => x.FilingType" Title="신고 유형" />
+                        <TemplateColumn Title="마감일">
+                            <CellTemplate>
+                                @{
+                                    var effectiveDueDate = BusinessDayCalculator.GetEffectiveDueDate(DateOnly.FromDateTime(context.Item.DueDate));
+                                    var daysLeft = BusinessDayCalculator.GetDday(DateOnly.FromDateTime(context.Item.DueDate));
+                                    var statusColor = daysLeft < 0 ? Color.Error : daysLeft <= 7 ? Color.Warning : Color.Success;
+                                }
+                                <MudChip Size="Size.Small" Color="@statusColor" Variant="Variant.Filled">
+                                    @effectiveDueDate.ToDateTime(TimeOnly.MinValue).ToString("yyyy-MM-dd")
+                                    @if (daysLeft >= 0)
+                                    {
+                                        <span class="ms-1">(D-@daysLeft)</span>
+                                    }
+                                    else
+                                    {
+                                        <span class="ms-1">(마감 @Math.Abs(daysLeft)일 경과)</span>
+                                    }
+                                </MudChip>
+                            </CellTemplate>
+                        </TemplateColumn>
+                        <PropertyColumn Property="x => x.FilingYear" Title="신고연도" />
+                        <TemplateColumn Title="상태">
+                            <CellTemplate>
+                                @if (context.Item.Status == "completed")
+                                {
+                                    <MudChip Size="Size.Small" Color="Color.Success" Variant="Variant.Filled">완료</MudChip>
+                                }
+                                else
+                                {
+                                    <MudChip Size="Size.Small" Color="Color.Default" Variant="Variant.Outlined">대기</MudChip>
+                                }
+                            </CellTemplate>
+                        </TemplateColumn>
+                        <TemplateColumn Title="작업" Sortable="false">
+                            <CellTemplate>
+                                <MudButtonGroup Size="Size.Small" Variant="Variant.Outlined">
+                                    @if (context.Item.Status != "completed")
+                                    {
+                                        <MudIconButton Icon="@Icons.Material.Filled.CheckCircle"
+                                                       Color="Color.Success"
+                                                       OnClick="@(async () => await CompleteSchedule(context.Item.Id))"
+                                                       Title="완료" />
+                                    }
+                                    <MudIconButton Icon="@Icons.Material.Filled.Delete"
+                                                   Color="Color.Error"
+                                                   OnClick="@(async () => await DeleteSchedule(context.Item.Id))"
+                                                   Title="삭제" />
+                                </MudButtonGroup>
+                            </CellTemplate>
+                        </TemplateColumn>
+                    </Columns>
+                </MudDataGrid>
+            }
+        </MudItem>
+
+        <!-- Right: Detail Form Panel (Inline Editor) -->
+        <MudItem XS="12" MD="4">
+            <MudPaper Class="pa-4 admin-surface admin-editor-panel" Elevation="0" Style="border: 1px solid var(--border-color); min-height: 400px;">
+                <div class="d-flex align-center justify-space-between mb-4">
+                    <MudText Typo="Typo.h6" Class="font-weight-bold">@(isEditMode ? "신고 일정 상세" : "새 신고 일정 추가")</MudText>
+                    @if (isEditMode)
+                    {
+                        <MudButton Size="Size.Small" Variant="Variant.Outlined" Color="Color.Secondary" OnClick="PrepareCreate">
+                            새로 작성
+                        </MudButton>
+                    }
+                </div>
+                <MudForm @ref="form">
+                    <MudSelect T="int?"
+                               @bind-Value="scheduleForm.ClientId"
+                               Label="고객"
+                               Required="true"
+                               Variant="Variant.Outlined"
+                               FullWidth="@true"
+                               Class="mb-3"
+                               RequiredError="고객을 선택하세요."
+                               Disabled="@isEditMode">
+                        @foreach (var client in clients)
+                        {
+                            <MudSelectItem Value="@((int?)client.Id)">@GetClientDisplayName(client)</MudSelectItem>
+                        }
+                    </MudSelect>
+                    <CommonCodeSelect @bind-Value="scheduleForm.FilingType" Group="FILING_TYPE" Label="신고 유형" Class="mb-3" Required="true" />
+                    <MudDatePicker @bind-Date="scheduleForm.DueDate" Label="마감일" Variant="Variant.Outlined" FullWidth="@true" Class="mb-3" Required="true" />
+                    <MudNumericField T="int" @bind-Value="scheduleForm.FilingYear" Label="신고연도" Variant="Variant.Outlined" FullWidth="@true" Class="mb-4" Required="true" />
+                    
+                    <div class="d-flex justify-end gap-2">
+                        @if (isEditMode && selectedSchedule?.Status != "completed")
+                        {
+                            <MudButton Variant="Variant.Outlined" Color="Color.Success" OnClick="@(async () => await CompleteSchedule(selectedSchedule?.Id ?? 0))">완료 처리</MudButton>
+                        }
+                        @if (isEditMode)
+                        {
+                            <MudButton Variant="Variant.Outlined" Color="Color.Error" OnClick="@(async () => await DeleteSchedule(selectedSchedule?.Id ?? 0))">삭제</MudButton>
+                        }
+                        else
+                        {
+                            <MudButton Variant="Variant.Filled" Color="Color.Primary" OnClick="SaveSchedule" id="btn-save-schedule">저장</MudButton>
+                        }
+                    </div>
+                </MudForm>
+            </MudPaper>
+        </MudItem>
+    </MudGrid>
+}
+</AdminDataPanel>
+
+@code {
+    [CascadingParameter]
+    private Task<AuthenticationState>? AuthStateTask { get; set; }
+
+    private List<TaxFilingSchedule>? schedules;
+    private List<Client> clients = [];
+    private Dictionary<int, string> clientMap = new();
+    private MudForm? form;
+    private bool isEditMode;
+    private TaxFilingSchedule? selectedSchedule;
+    private TaxFilingScheduleForm scheduleForm = new();
+
+    private RenderFragment ScheduleSkeleton => builder =>
+    {
+        builder.OpenComponent<AdminSkeletonRows>(0);
+        builder.AddAttribute(1, "Rows", 6);
+        builder.AddAttribute(2, "Columns", 4);
+        builder.CloseComponent();
+    };
+ 
+    protected override async Task OnInitializedAsync()
+    {
+        if (AuthStateTask != null)
+        {
+            var authState = await AuthStateTask;
+            if (authState.User.Identity?.IsAuthenticated == true)
+            {
+                await LoadData();
+                PrepareCreate();
+            }
+        }
+    }
+
+    private async Task LoadData()
+    {
+        try
+        {
+            schedules = await TaxFilingClient.GetAllAsync();
+            var (clientItems, _) = await ClientClient.GetPagedAsync(pageSize: 1000);
+            clients = clientItems.ToList();
+            clientMap = clients.ToDictionary(c => c.Id, GetClientDisplayName);
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"데이터 로드 실패: {ex.Message}", Severity.Error);
+        }
+    }
+
+    private void PrepareCreate()
+    {
+        selectedSchedule = null;
+        isEditMode = false;
+        scheduleForm = new TaxFilingScheduleForm
+        {
+            FilingYear = DateTime.Now.Year,
+            DueDate = DateTime.Today,
+            ClientId = clients.FirstOrDefault()?.Id,
+            FilingType = string.Empty
+        };
+    }
+
+    private void OnRowSelected(TaxFilingSchedule schedule)
+    {
+        if (schedule == null) return;
+        selectedSchedule = schedule;
+        isEditMode = true;
+        scheduleForm = new TaxFilingScheduleForm
+        {
+            ClientId = schedule.ClientId,
+            FilingType = schedule.FilingType,
+            DueDate = schedule.DueDate,
+            FilingYear = schedule.FilingYear
+        };
+    }
+
+    private async Task SaveSchedule()
+    {
+        if (form != null)
+        {
+            await form.Validate();
+            if (!form.IsValid)
+            {
+                Snackbar.Add("필수 항목을 입력해주세요.", Severity.Warning);
+                return;
+            }
+        }
+
+        try
+        {
+            if (scheduleForm.ClientId == null) return;
+            var newId = await TaxFilingClient.CreateAsync(
+                scheduleForm.ClientId.Value,
+                scheduleForm.FilingType,
+                scheduleForm.DueDate ?? DateTime.Today,
+                scheduleForm.FilingYear);
+
+            if (newId > 0)
+            {
+                Snackbar.Add("신고 일정이 추가되었습니다.", Severity.Success);
+                PrepareCreate();
+                await LoadData();
+            }
+            else
+            {
+                Snackbar.Add("등록에 실패했습니다.", Severity.Error);
+            }
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"저장 실패: {ex.Message}", Severity.Error);
+        }
+    }
+
+    private async Task CompleteSchedule(int id)
+    {
+        try
+        {
+            await TaxFilingClient.MarkCompletedAsync(id);
+            Snackbar.Add("신고 일정이 완료 처리되었습니다.", Severity.Success);
+            if (selectedSchedule?.Id == id)
+            {
+                PrepareCreate();
+            }
+            await LoadData();
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"처리 실패: {ex.Message}", Severity.Error);
+        }
+    }
+
+    private async Task DeleteSchedule(int id)
+    {
+        var parameters = new DialogParameters
+        {
+            { "Title", "삭제 확인" },
+            { "Message", "이 신고 일정을 삭제하시겠습니까?" }
+        };
+
+        var dialog = await DialogService.ShowAsync<ConfirmDialog>("", parameters);
+        var result = await dialog.Result;
+        if (result?.Canceled ?? true)
+            return;
+
+        try
+        {
+            await TaxFilingClient.DeleteAsync(id);
+            Snackbar.Add("신고 일정이 삭제되었습니다.", Severity.Success);
+            if (selectedSchedule?.Id == id)
+            {
+                PrepareCreate();
+            }
+            await LoadData();
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"삭제 실패: {ex.Message}", Severity.Error);
+        }
+    }
+
+    private static string GetClientDisplayName(Client client)
+        => !string.IsNullOrWhiteSpace(client.CompanyName)
+            ? client.CompanyName
+            : !string.IsNullOrWhiteSpace(client.Name)
+                ? client.Name
+                : $"Client #{client.Id}";
+
+    private class TaxFilingScheduleForm
+    {
+        public int? ClientId { get; set; }
+        public string FilingType { get; set; } = "";
+        public DateTime? DueDate { get; set; }
+        public int FilingYear { get; set; } = DateTime.Now.Year;
+    }
+}
@@ -0,0 +1,110 @@
+@using TaxBaik.Web.Services
+@using TaxBaik.Domain.Entities
+@using TaxBaik.WasmClient.Components.Admin.Shared
+@inject ITaxFilingBrowserClient FilingClient
+@inject ISnackbar Snackbar
+
+@if (Filings == null || Filings.Count == 0)
+{
+    <MudText Class="pa-4" Color="Color.Secondary">항목이 없습니다.</MudText>
+}
+else
+{
+    <MudTable Items="Filings" Hover="true" Dense="true" Class="mt-2">
+        <HeaderContent>
+            <MudTh>고객</MudTh>
+            <MudTh>신고 유형</MudTh>
+            <MudTh>기한</MudTh>
+            <MudTh>D-day</MudTh>
+            <MudTh>메모</MudTh>
+            <MudTh>처리</MudTh>
+        </HeaderContent>
+        <RowTemplate>
+            <MudTd>@context.ClientName</MudTd>
+            <MudTd>@context.FilingType</MudTd>
+            <MudTd>@BusinessDayCalculator.GetEffectiveDueDate(DateOnly.FromDateTime(context.DueDate)).ToDateTime(TimeOnly.MinValue).ToString("yyyy-MM-dd")</MudTd>
+            <MudTd>
+                @{
+                    var dday = BusinessDayCalculator.GetDday(DateOnly.FromDateTime(context.DueDate));
+                }
+                @if (dday < 0)
+                {
+                    <MudChip T="string" Size="Size.Small" Color="Color.Error">D+@(-dday)</MudChip>
+                }
+                else if (dday <= 7)
+                {
+                    <MudChip T="string" Size="Size.Small" Color="Color.Warning">D-@dday</MudChip>
+                }
+                else
+                {
+                    <MudText Typo="Typo.body2">D-@dday</MudText>
+                }
+            </MudTd>
+            <MudTd>@(context.Memo ?? "")</MudTd>
+            <MudTd>
+                @if (context.Status == "pending")
+                {
+                    <MudButton Size="Size.Small" Variant="Variant.Filled" Color="Color.Success"
+                               OnClick="@(() => MarkFiled(context))">완료</MudButton>
+                }
+                else if (context.Status == "filed")
+                {
+                    <MudChip T="string" Size="Size.Small" Color="Color.Success">완료</MudChip>
+                }
+                <MudIconButton Icon="@Icons.Material.Filled.Delete" Size="Size.Small" Color="Color.Error"
+                               OnClick="@(() => DeleteFiling(context.Id))" />
+            </MudTd>
+        </RowTemplate>
+    </MudTable>
+}
+
+@code {
+    [Parameter]
+    public List<TaxFiling>? Filings { get; set; }
+
+    [Parameter]
+    public EventCallback OnStatusChange { get; set; }
+
+    private async Task MarkFiled(TaxFiling filing)
+    {
+        try
+        {
+            filing.Status = "filed";
+            var result = await FilingClient.UpdateAsync(filing.Id, filing);
+            if (result != null)
+            {
+                Snackbar.Add("신고 완료 처리되었습니다.", Severity.Success);
+                await OnStatusChange.InvokeAsync();
+            }
+            else
+            {
+                Snackbar.Add("처리 실패", Severity.Error);
+            }
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"오류: {ex.Message}", Severity.Error);
+        }
+    }
+
+    private async Task DeleteFiling(int id)
+    {
+        try
+        {
+            var success = await FilingClient.DeleteAsync(id);
+            if (success)
+            {
+                Snackbar.Add("삭제되었습니다.", Severity.Info);
+                await OnStatusChange.InvokeAsync();
+            }
+            else
+            {
+                Snackbar.Add("삭제 실패", Severity.Error);
+            }
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"오류: {ex.Message}", Severity.Error);
+        }
+    }
+}
@@ -0,0 +1,153 @@
+@page "/admin/tax-filings"
+@attribute [Authorize]
+@using TaxBaik.Web.Services
+@using TaxBaik.Domain.Entities
+@using TaxBaik.WasmClient.Components.Admin.Shared
+@inject ITaxFilingBrowserClient FilingClient
+@inject IClientBrowserClient ClientClient
+@inject ISnackbar Snackbar
+
+<PageTitle>신고 일정 관리</PageTitle>
+
+<section class="admin-page-hero">
+    <div>
+        <MudText Typo="Typo.caption" Class="admin-eyebrow">Tax Schedule</MudText>
+        <MudText Typo="Typo.h4" Class="admin-page-title">신고 일정</MudText>
+        <MudText Typo="Typo.body2" Class="admin-page-subtitle">고객별 세금 신고 마감일을 관리하고 완료 처리합니다.</MudText>
+    </div>
+    <MudButton Variant="Variant.Filled" Color="Color.Primary"
+               OnClick="@(() => showAddForm = !showAddForm)"
+               StartIcon="@Icons.Material.Filled.Add">
+        일정 추가
+    </MudButton>
+</section>
+
+@if (showAddForm)
+{
+    <MudPaper Class="pa-4 mb-4" Elevation="1">
+        <MudText Typo="Typo.h6" Class="mb-3">새 신고 일정</MudText>
+        <MudGrid Spacing="2">
+            <MudItem xs="12" sm="6" md="4">
+                <MudAutocomplete T="Domain.Entities.Client" @bind-Value="selectedClient"
+                                 Label="고객 검색 *"
+                                 SearchFunc="SearchClients"
+                                 ToStringFunc="@(c => c == null ? "" : $"{c.Name} {c.CompanyName ?? ""}")"
+                                 Variant="Variant.Outlined" />
+            </MudItem>
+            <MudItem xs="12" sm="6" md="4">
+            <CommonCodeSelect @bind-Value="newFilingType" Group="FILING_TYPE" Label="신고 유형 *" />
+            </MudItem>
+            <MudItem xs="12" sm="6" md="4">
+                <MudDatePicker @bind-Date="newDueDate" Label="신고 기한 *" DateFormat="yyyy-MM-dd" />
+            </MudItem>
+            <MudItem xs="12">
+                <MudTextField T="string" @bind-Value="newMemo" Label="메모" Variant="Variant.Outlined" />
+            </MudItem>
+        </MudGrid>
+        <MudStack Row="true" Class="mt-3" Spacing="2">
+            <MudButton Variant="Variant.Filled" Color="Color.Primary" OnClick="AddFiling">저장</MudButton>
+            <MudButton Variant="Variant.Outlined" OnClick="@(() => showAddForm = false)">취소</MudButton>
+        </MudStack>
+    </MudPaper>
+}
+
+<MudPaper Class="admin-surface" Elevation="0">
+    <MudTabs Rounded="true" Elevation="0" Class="admin-tabs">
+        <MudTabPanel Text="신고 예정">
+            <FilingTable Filings="@pending" OnStatusChange="Reload" />
+        </MudTabPanel>
+        <MudTabPanel Text="신고 완료">
+            <FilingTable Filings="@filed" OnStatusChange="Reload" />
+        </MudTabPanel>
+        <MudTabPanel Text="기한 초과">
+            <FilingTable Filings="@overdue" OnStatusChange="Reload" />
+        </MudTabPanel>
+    </MudTabs>
+</MudPaper>
+
+@code {
+    private List<Domain.Entities.TaxFiling> pending = [];
+    private List<Domain.Entities.TaxFiling> filed = [];
+    private List<Domain.Entities.TaxFiling> overdue = [];
+
+    private bool showAddForm;
+    private Domain.Entities.Client? selectedClient;
+    private string newFilingType = "";
+    private DateTime? newDueDate = DateTime.Today.AddDays(30);
+    private string newMemo = "";
+
+    protected override async Task OnInitializedAsync() => await Reload();
+
+    protected override async Task OnParametersSetAsync()
+    {
+    }
+
+    private async Task Reload()
+    {
+        try
+        {
+            var all = (await FilingClient.GetUpcomingAsync(365)).ToList();
+            pending  = all.Where(x => x.Status == "pending").ToList();
+            filed    = all.Where(x => x.Status == "filed").ToList();
+            overdue  = all.Where(x => x.Status == "overdue").ToList();
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"오류: {ex.Message}", Severity.Error);
+        }
+    }
+
+    private async Task<IEnumerable<Client>> SearchClients(string value)
+    {
+        try
+        {
+            var (items, _) = await ClientClient.GetPagedAsync(1, 100, search: value);
+            return items;
+        }
+        catch
+        {
+            return [];
+        }
+    }
+
+    private static string GetClientDisplayName(Client client)
+        => !string.IsNullOrWhiteSpace(client.CompanyName)
+            ? client.CompanyName
+            : !string.IsNullOrWhiteSpace(client.Name)
+                ? client.Name
+                : $"Client #{client.Id}";
+    private async Task AddFiling()
+    {
+        try
+        {
+            if (selectedClient == null)
+            {
+                Snackbar.Add("고객을 선택하세요.", Severity.Warning);
+                return;
+            }
+            var filing = new TaxFiling
+            {
+                ClientId = selectedClient.Id,
+                FilingType = newFilingType,
+                DueDate = newDueDate?.ToUniversalTime() ?? DateTime.UtcNow,
+                Status = "pending",
+                Memo = string.IsNullOrWhiteSpace(newMemo) ? null : newMemo
+            };
+            var result = await FilingClient.CreateAsync(filing);
+            if (result != null)
+            {
+                showAddForm = false;
+                Snackbar.Add("신고 일정이 추가되었습니다.", Severity.Success);
+                await Reload();
+            }
+            else
+            {
+                Snackbar.Add("추가 실패", Severity.Error);
+            }
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"오류: {ex.Message}", Severity.Error);
+        }
+    }
+}
@@ -0,0 +1,300 @@
+@page "/admin/tax-profiles"
+@using TaxBaik.Web.Services.AdminClients
+@using TaxBaik.WasmClient.Components.Admin.Shared
+@inject ITaxProfileBrowserClient TaxProfileClient
+@inject IClientBrowserClient ClientClient
+@inject ISnackbar Snackbar
+@inject IDialogService DialogService
+@attribute [Authorize]
+
+<PageTitle>세무 프로필</PageTitle>
+
+<section class="admin-page-hero">
+    <div>
+        <MudText Typo="Typo.caption" Class="admin-eyebrow">CRM & 세무관리</MudText>
+        <MudText Typo="Typo.h4" Class="admin-page-title">세무 프로필</MudText>
+        <MudText Typo="Typo.body2" Class="admin-page-subtitle">고객별 세무 프로필, 신고 일정, 위험도 추적</MudText>
+    </div>
+    <MudButton Variant="Variant.Filled" Color="Color.Primary" OnClick="PrepareCreate" StartIcon="@Icons.Material.Filled.Add" id="btn-add-profile">
+        새 프로필 추가
+    </MudButton>
+</section>
+
+<AdminDataPanel Loading="@(profiles == null)" SkeletonContent="@ProfileSkeleton">
+@if (profiles == null)
+{
+}
+else
+{
+    <MudGrid Spacing="2" Class="mt-2">
+        <!-- Left: Dense Grid List -->
+        <MudItem XS="12" MD="8">
+            @if (profiles.Count == 0)
+            {
+                <MudAlert Severity="Severity.Info">세무 프로필이 없습니다.</MudAlert>
+            }
+            else
+            {
+                <MudDataGrid T="TaxProfile"
+                    Items="@profiles"
+                    Dense="true"
+                    Hover="true"
+                    Striped="true"
+                    Virtualize="true"
+                    RowsPerPage="30"
+                    SelectedItem="@selectedProfile"
+                    SelectedItemChanged="OnRowSelected"
+                    Class="admin-grid">
+                    <Columns>
+                        <PropertyColumn Property="x => x.Id" Title="ID" Sortable="true" />
+                        <TemplateColumn Title="고객">
+                            <CellTemplate>
+                                @if (clientMap.TryGetValue(context.Item.ClientId, out var clientName))
+                                {
+                                    @clientName
+                                }
+                            </CellTemplate>
+                        </TemplateColumn>
+                        <PropertyColumn Property="x => x.BusinessType" Title="사업 유형" />
+                        <TemplateColumn Title="위험도">
+                            <CellTemplate>
+                                <MudChip Size="Size.Small" Color="@GetRiskColor(context.Item.TaxRiskLevel)" Variant="Variant.Filled">
+                                    @context.Item.TaxRiskLevel
+                                </MudChip>
+                            </CellTemplate>
+                        </TemplateColumn>
+                        <TemplateColumn Title="다음 신고">
+                            <CellTemplate>
+                                @if (context.Item.NextFilingDueDate.HasValue)
+                                {
+                                    @context.Item.NextFilingDueDate.Value.ToString("yyyy-MM-dd")
+                                }
+                            </CellTemplate>
+                        </TemplateColumn>
+                        <TemplateColumn Title="작업" Sortable="false">
+                            <CellTemplate>
+                                <MudIconButton Icon="@Icons.Material.Filled.Delete" Color="Color.Error" Size="Size.Small" OnClick="@(async () => await DeleteProfile(context.Item.Id))" />
+                            </CellTemplate>
+                        </TemplateColumn>
+                    </Columns>
+                </MudDataGrid>
+            }
+        </MudItem>
+
+        <!-- Right: Detail Form Panel (Inline Editor) -->
+        <MudItem XS="12" MD="4">
+            <MudPaper Class="pa-4 admin-surface admin-editor-panel" Elevation="0" Style="border: 1px solid var(--border-color); min-height: 400px;">
+                <div class="d-flex align-center justify-space-between mb-4">
+                    <MudText Typo="Typo.h6" Class="font-weight-bold">@(isEditMode ? "세무 프로필 수정" : "새 세무 프로필 추가")</MudText>
+                    @if (isEditMode)
+                    {
+                        <MudButton Size="Size.Small" Variant="Variant.Outlined" Color="Color.Secondary" OnClick="PrepareCreate">
+                            새로 작성
+                        </MudButton>
+                    }
+                </div>
+                <MudForm @ref="form">
+                    <MudSelect T="int?" @bind-Value="profileForm.ClientId" Label="고객" Required="true" Variant="Variant.Outlined" FullWidth="@true" Class="mb-3" RequiredError="고객을 선택하세요." Disabled="@isEditMode">
+                        @foreach (var client in clients)
+                        {
+                            <MudSelectItem Value="@((int?)client.Id)">@GetClientDisplayName(client)</MudSelectItem>
+                        }
+                    </MudSelect>
+                    <CommonCodeSelect @bind-Value="profileForm.BusinessType" Group="BUSINESS_TYPE" Label="사업 유형" Class="mb-3" Required="true" />
+                    <CommonCodeSelect @bind-Value="profileForm.TaxRiskLevel" Group="TAX_RISK_LEVEL" Label="위험도" Class="mb-3" />
+                    <MudDatePicker @bind-Date="profileForm.NextFilingDueDate" Label="다음 신고 예정일" Variant="Variant.Outlined" FullWidth="@true" Class="mb-3" />
+                    <MudTextField T="string" @bind-Value="profileForm.SpecialNotes" Label="특수 사항" Variant="Variant.Outlined" FullWidth="@true" Lines="3" Class="mb-4" />
+                    
+                    <div class="d-flex justify-end gap-2">
+                        @if (isEditMode)
+                        {
+                            <MudButton Variant="Variant.Outlined" Color="Color.Error" OnClick="@(async () => await DeleteProfile(selectedProfile?.Id ?? 0))">삭제</MudButton>
+                        }
+                        <MudButton Variant="Variant.Filled" Color="Color.Primary" OnClick="SaveProfile" id="btn-save-profile">저장</MudButton>
+                    </div>
+                </MudForm>
+            </MudPaper>
+        </MudItem>
+    </MudGrid>
+}
+</AdminDataPanel>
+
+@code {
+    [CascadingParameter]
+    private Task<AuthenticationState>? AuthStateTask { get; set; }
+
+    private List<TaxProfile>? profiles;
+    private List<Client> clients = [];
+    private Dictionary<int, string> clientMap = new();
+    private List<CommonCode> riskLevels = [];
+    private MudForm? form;
+    private bool isEditMode;
+    private TaxProfile? selectedProfile;
+    private TaxProfileForm profileForm = new();
+
+    private RenderFragment ProfileSkeleton => builder =>
+    {
+        builder.OpenComponent<AdminSkeletonRows>(0);
+        builder.AddAttribute(1, "Rows", 6);
+        builder.AddAttribute(2, "Columns", 4);
+        builder.CloseComponent();
+    };
+
+    protected override async Task OnInitializedAsync()
+    {
+        if (AuthStateTask != null)
+        {
+            var authState = await AuthStateTask;
+            if (authState.User.Identity?.IsAuthenticated == true)
+            {
+                await LoadData();
+                PrepareCreate();
+            }
+        }
+    }
+
+    private async Task LoadData()
+    {
+        try
+        {
+            profiles = await TaxProfileClient.GetAllAsync();
+            var (clientItems, _) = await ClientClient.GetPagedAsync(pageSize: 1000);
+            clients = clientItems.ToList();
+            clientMap = clients.ToDictionary(c => c.Id, GetClientDisplayName);
+
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"데이터 로드 실패: {ex.Message}", Severity.Error);
+        }
+    }
+
+    private void PrepareCreate()
+    {
+        selectedProfile = null;
+        isEditMode = false;
+        profileForm = new TaxProfileForm
+        {
+            ClientId = clients.FirstOrDefault()?.Id,
+            TaxRiskLevel = "normal",
+            NextFilingDueDate = DateTime.Today.AddMonths(1)
+        };
+    }
+
+    private void OnRowSelected(TaxProfile profile)
+    {
+        if (profile == null) return;
+        selectedProfile = profile;
+        isEditMode = true;
+        profileForm = new TaxProfileForm
+        {
+            ClientId = profile.ClientId,
+            BusinessType = profile.BusinessType ?? "",
+            TaxRiskLevel = profile.TaxRiskLevel,
+            NextFilingDueDate = profile.NextFilingDueDate,
+            SpecialNotes = profile.SpecialNotes
+        };
+    }
+
+    private async Task SaveProfile()
+    {
+        if (form != null)
+        {
+            await form.Validate();
+            if (!form.IsValid)
+            {
+                Snackbar.Add("고객을 선택하세요.", Severity.Warning);
+                return;
+            }
+        }
+
+        try
+        {
+            if (isEditMode && selectedProfile != null)
+            {
+                await TaxProfileClient.UpdateAsync(selectedProfile.Id, profileForm.BusinessType,
+                    null, profileForm.NextFilingDueDate, profileForm.TaxRiskLevel);
+                Snackbar.Add("세무 프로필이 수정되었습니다.", Severity.Success);
+            }
+            else
+            {
+                if (!profileForm.ClientId.HasValue)
+                {
+                    Snackbar.Add("고객을 선택하세요.", Severity.Warning);
+                    return;
+                }
+                var newId = await TaxProfileClient.CreateAsync(
+                    profileForm.ClientId.Value,
+                    profileForm.BusinessType);
+                if (newId > 0)
+                {
+                    await TaxProfileClient.UpdateAsync(
+                        newId,
+                        profileForm.BusinessType,
+                        null,
+                        profileForm.NextFilingDueDate,
+                        profileForm.TaxRiskLevel);
+                    Snackbar.Add("세무 프로필이 추가되었습니다.", Severity.Success);
+                }
+            }
+            PrepareCreate();
+            await LoadData();
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"저장 실패: {ex.Message}", Severity.Error);
+        }
+    }
+
+    private async Task DeleteProfile(int id)
+    {
+        var parameters = new DialogParameters();
+        parameters.Add("Title", "삭제 확인");
+        parameters.Add("Message", "이 세무 프로필을 삭제하시겠습니까?");
+
+        var dialog = await DialogService.ShowAsync<ConfirmDialog>("", parameters);
+        var result = await dialog.Result;
+
+        if (result?.Canceled ?? true)
+            return;
+
+        try
+        {
+            await TaxProfileClient.DeleteAsync(id);
+            Snackbar.Add("세무 프로필이 삭제되었습니다.", Severity.Success);
+            if (selectedProfile?.Id == id)
+            {
+                PrepareCreate();
+            }
+            await LoadData();
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"삭제 실패: {ex.Message}", Severity.Error);
+        }
+    }
+
+    private Color GetRiskColor(string riskLevel) => riskLevel switch
+    {
+        "high" => Color.Error,
+        "normal" => Color.Warning,
+        "low" => Color.Success,
+        _ => Color.Default
+    };
+
+    private static string GetClientDisplayName(Client client)
+        => !string.IsNullOrWhiteSpace(client.CompanyName)
+            ? client.CompanyName
+            : !string.IsNullOrWhiteSpace(client.Name)
+                ? client.Name
+                : $"Client #{client.Id}";
+
+    private class TaxProfileForm
+    {
+        public int? ClientId { get; set; }
+        public string BusinessType { get; set; } = "";
+        public string TaxRiskLevel { get; set; } = "normal";
+        public DateTime? NextFilingDueDate { get; set; }
+        public string? SpecialNotes { get; set; }
+    }
+}