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.Application/Services/InquiryStatusMapper.cs

@@ -4,24 +4,37 @@ using TaxBaik.Domain.Enums;
 
 public static class InquiryStatusMapper
 {
+    public static readonly Dictionary<string, string> Labels = new()
+    {
+        ["new"]        = "신규",
+        ["consulting"] = "상담중",
+        ["contracted"] = "계약완료",
+        ["rejected"]   = "거절",
+        ["closed"]     = "종결",
+    };
+
     public static string ToStorageValue(InquiryStatus status) => status switch
     {
-        InquiryStatus.New => "new",
-        InquiryStatus.Contacted => "contacted",
-        InquiryStatus.Completed => "completed",
+        InquiryStatus.New        => "new",
+        InquiryStatus.Consulting => "consulting",
+        InquiryStatus.Contracted => "contracted",
+        InquiryStatus.Rejected   => "rejected",
+        InquiryStatus.Closed     => "closed",
         _ => throw new ArgumentOutOfRangeException(nameof(status), status, null)
     };
 
     public static bool TryParse(string? value, out InquiryStatus status)
     {
-        status = value?.Trim().ToLowerInvariant() switch
+        var key = value?.Trim().ToLowerInvariant();
+        status = key switch
         {
-            "new" => InquiryStatus.New,
-            "contacted" => InquiryStatus.Contacted,
-            "completed" => InquiryStatus.Completed,
+            "new"        => InquiryStatus.New,
+            "consulting" => InquiryStatus.Consulting,
+            "contracted" => InquiryStatus.Contracted,
+            "rejected"   => InquiryStatus.Rejected,
+            "closed"     => InquiryStatus.Closed,
             _ => default
         };
-
-        return value?.Trim().ToLowerInvariant() is "new" or "contacted" or "completed";
+        return key is "new" or "consulting" or "contracted" or "rejected" or "closed";
     }
 }