feat: CRM Phase 1-2 완성 + 시즌 시뮬레이터 + 개인정보처리방침/이용약관

- WBS-CRM-02: 상담 이력 (consultations 테이블 V008, ClientDetail.razor)
- WBS-CRM-03: 문의→고객 전환 (V009 client_id FK, InquiryDetail 고객등록 버튼)
- WBS-CRM-04: 신고 일정 캘린더 (tax_filings 테이블 V010, TaxFilingList.razor)
- WBS-CRM-05: 문의 상태 5단계 확장 (V011, InquiryStatus enum, InquiryList 탭)
- WBS-MKT-04: 시즌 시뮬레이터 어드민 페이지 (SeasonSimulator.razor)
- WBS-UX-04: 개인정보처리방침 /taxbaik/privacy, 이용약관 /taxbaik/terms
- Dashboard.razor 마감 임박 신고 위젯 추가

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

TaxBaik.Web/Components/Admin/Pages/Dashboard.razor

@@ -2,6 +2,7 @@
 @attribute [Authorize]
 @using TaxBaik.Application.Services
 @inject AdminDashboardService DashboardService
+@inject TaxFilingService FilingService
 
 <PageTitle>대시보드</PageTitle>
 
@@ -50,6 +51,50 @@
     </MudItem>
 </MudGrid>
 
+@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</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 = (f.DueDate.Date - DateTime.Today).Days;
+                    <tr>
+                        <td>@f.ClientName</td>
+                        <td>@f.FilingType</td>
+                        <td>@f.DueDate.ToString("yyyy-MM-dd")</td>
+                        <td>
+                            @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>
@@ -76,8 +121,7 @@
                     <td>@inquiry.Phone</td>
                     <td>@inquiry.ServiceType</td>
                     <td>
-                        <MudChip Size="Size.Small"
-                            Color="@(inquiry.Status == "new" ? Color.Warning : inquiry.Status == "contacted" ? Color.Info : Color.Success)">
+                        <MudChip T="string" Size="Size.Small" Color="@StatusColor(inquiry.Status)">
                             @GetStatusLabel(inquiry.Status)
                         </MudChip>
                     </td>
@@ -90,17 +134,26 @@
 
 @code {
     private AdminDashboardSummary summary = new(0, 0, 0, 0, []);
+    private List<Domain.Entities.TaxFiling> upcomingFilings = [];
 
     protected override async Task OnInitializedAsync()
     {
-        summary = await DashboardService.GetSummaryAsync();
-}
+        var summaryTask = DashboardService.GetSummaryAsync();
+        var filingsTask = FilingService.GetUpcomingAsync(30);
+        await Task.WhenAll(summaryTask, filingsTask);
+        summary = await summaryTask;
+        upcomingFilings = (await filingsTask).ToList();
+    }
 
-    private static string GetStatusLabel(string status) => status switch
+    private static string GetStatusLabel(string status) => InquiryStatusMapper.Labels.GetValueOrDefault(status, status);
+
+    private static Color StatusColor(string status) => status switch
     {
-        "new" => "신규",
-        "contacted" => "연락함",
-        "completed" => "완료",
-        _ => status
+        "new"        => Color.Warning,
+        "consulting" => Color.Info,
+        "contracted" => Color.Success,
+        "rejected"   => Color.Error,
+        "closed"     => Color.Dark,
+        _            => Color.Default
     };
 }