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.Infrastructure/DependencyInjection.cs

@@ -18,6 +18,8 @@ public static class DependencyInjection
         services.AddScoped<IAnnouncementRepository, AnnouncementRepository>();
         services.AddScoped<IClientRepository, ClientRepository>();
         services.AddScoped<IFaqRepository, FaqRepository>();
+        services.AddScoped<IConsultationRepository, ConsultationRepository>();
+        services.AddScoped<ITaxFilingRepository, TaxFilingRepository>();
 
         return services;
     }

TaxBaik.Infrastructure/Repositories/ConsultationRepository.cs

@@ -0,0 +1,35 @@
+namespace TaxBaik.Infrastructure.Repositories;
+
+using Dapper;
+using TaxBaik.Domain.Entities;
+using TaxBaik.Domain.Interfaces;
+
+public class ConsultationRepository(IDbConnectionFactory connectionFactory) : BaseRepository(connectionFactory), IConsultationRepository
+{
+    public async Task<IEnumerable<Consultation>> GetByClientIdAsync(int clientId, CancellationToken ct = default)
+    {
+        using var conn = Conn();
+        return await conn.QueryAsync<Consultation>(
+            @"SELECT id, client_id, consultation_date, service_type, summary, result, fee, created_at
+              FROM consultations
+              WHERE client_id = @ClientId
+              ORDER BY consultation_date DESC, id DESC",
+            new { ClientId = clientId });
+    }
+
+    public async Task<int> CreateAsync(Consultation consultation, CancellationToken ct = default)
+    {
+        using var conn = Conn();
+        return await conn.QueryFirstAsync<int>(
+            @"INSERT INTO consultations (client_id, consultation_date, service_type, summary, result, fee, created_at)
+              VALUES (@ClientId, @ConsultationDate, @ServiceType, @Summary, @Result, @Fee, NOW())
+              RETURNING id",
+            consultation);
+    }
+
+    public async Task DeleteAsync(int id, CancellationToken ct = default)
+    {
+        using var conn = Conn();
+        await conn.ExecuteAsync("DELETE FROM consultations WHERE id = @Id", new { Id = id });
+    }
+}

TaxBaik.Infrastructure/Repositories/InquiryRepository.cs

@@ -20,7 +20,9 @@ public class InquiryRepository(IDbConnectionFactory connectionFactory) : BaseRep
     {
         using var conn = Conn();
         return await conn.QueryFirstOrDefaultAsync<Inquiry>(
-            "SELECT id, name, phone, email, service_type, message, status, ip_address, created_at FROM inquiries WHERE id = @Id",
+            @"SELECT id, name, phone, email, service_type, message, status, ip_address,
+                     client_id, admin_memo, created_at, updated_at
+              FROM inquiries WHERE id = @Id",
             new { Id = id });
     }
 
@@ -31,7 +33,8 @@ public class InquiryRepository(IDbConnectionFactory connectionFactory) : BaseRep
         var offset = (page - 1) * pageSize;
 
         using var reader = await conn.QueryMultipleAsync(
-            @"SELECT id, name, phone, email, service_type, message, status, ip_address, created_at
+            @"SELECT id, name, phone, email, service_type, message, status, ip_address,
+                     client_id, admin_memo, created_at, updated_at
               FROM inquiries
               WHERE @Status::text IS NULL OR status = @Status
               ORDER BY created_at DESC
@@ -74,6 +77,24 @@ public class InquiryRepository(IDbConnectionFactory connectionFactory) : BaseRep
     public async Task UpdateStatusAsync(int id, string status, CancellationToken cancellationToken = default)
     {
         using var conn = Conn();
-        await conn.ExecuteAsync("UPDATE inquiries SET status = @Status WHERE id = @Id", new { Id = id, Status = status });
+        await conn.ExecuteAsync(
+            "UPDATE inquiries SET status = @Status, updated_at = NOW() WHERE id = @Id",
+            new { Id = id, Status = status });
+    }
+
+    public async Task UpdateAdminMemoAsync(int id, string? adminMemo, CancellationToken cancellationToken = default)
+    {
+        using var conn = Conn();
+        await conn.ExecuteAsync(
+            "UPDATE inquiries SET admin_memo = @AdminMemo, updated_at = NOW() WHERE id = @Id",
+            new { Id = id, AdminMemo = adminMemo });
+    }
+
+    public async Task LinkClientAsync(int inquiryId, int clientId, CancellationToken cancellationToken = default)
+    {
+        using var conn = Conn();
+        await conn.ExecuteAsync(
+            "UPDATE inquiries SET client_id = @ClientId, updated_at = NOW() WHERE id = @Id",
+            new { Id = inquiryId, ClientId = clientId });
     }
 }

TaxBaik.Infrastructure/Repositories/TaxFilingRepository.cs

@@ -0,0 +1,76 @@
+namespace TaxBaik.Infrastructure.Repositories;
+
+using Dapper;
+using TaxBaik.Domain.Entities;
+using TaxBaik.Domain.Interfaces;
+
+public class TaxFilingRepository(IDbConnectionFactory connectionFactory) : BaseRepository(connectionFactory), ITaxFilingRepository
+{
+    private const string SelectColumns = @"
+        tf.id, tf.client_id, c.name AS client_name, tf.filing_type, tf.due_date,
+        tf.status, tf.memo, tf.created_at, tf.updated_at";
+
+    public async Task<IEnumerable<TaxFiling>> GetByClientIdAsync(int clientId, CancellationToken ct = default)
+    {
+        using var conn = Conn();
+        return await conn.QueryAsync<TaxFiling>(
+            $@"SELECT {SelectColumns}
+               FROM tax_filings tf
+               JOIN clients c ON c.id = tf.client_id
+               WHERE tf.client_id = @ClientId
+               ORDER BY tf.due_date ASC",
+            new { ClientId = clientId });
+    }
+
+    public async Task<IEnumerable<TaxFiling>> GetUpcomingAsync(int daysAhead, CancellationToken ct = default)
+    {
+        using var conn = Conn();
+        return await conn.QueryAsync<TaxFiling>(
+            $@"SELECT {SelectColumns}
+               FROM tax_filings tf
+               JOIN clients c ON c.id = tf.client_id
+               WHERE tf.status = 'pending'
+                 AND tf.due_date <= CURRENT_DATE + @DaysAhead::int
+                 AND tf.due_date >= CURRENT_DATE
+               ORDER BY tf.due_date ASC",
+            new { DaysAhead = daysAhead });
+    }
+
+    public async Task<TaxFiling?> GetByIdAsync(int id, CancellationToken ct = default)
+    {
+        using var conn = Conn();
+        return await conn.QueryFirstOrDefaultAsync<TaxFiling>(
+            $@"SELECT {SelectColumns}
+               FROM tax_filings tf
+               JOIN clients c ON c.id = tf.client_id
+               WHERE tf.id = @Id",
+            new { Id = id });
+    }
+
+    public async Task<int> CreateAsync(TaxFiling filing, CancellationToken ct = default)
+    {
+        using var conn = Conn();
+        return await conn.QueryFirstAsync<int>(
+            @"INSERT INTO tax_filings (client_id, filing_type, due_date, status, memo, created_at, updated_at)
+              VALUES (@ClientId, @FilingType, @DueDate, @Status, @Memo, NOW(), NOW())
+              RETURNING id",
+            filing);
+    }
+
+    public async Task UpdateAsync(TaxFiling filing, CancellationToken ct = default)
+    {
+        using var conn = Conn();
+        await conn.ExecuteAsync(
+            @"UPDATE tax_filings
+              SET filing_type = @FilingType, due_date = @DueDate, status = @Status,
+                  memo = @Memo, updated_at = NOW()
+              WHERE id = @Id",
+            filing);
+    }
+
+    public async Task DeleteAsync(int id, CancellationToken ct = default)
+    {
+        using var conn = Conn();
+        await conn.ExecuteAsync("DELETE FROM tax_filings WHERE id = @Id", new { Id = id });
+    }
+}