feat: 新增租户审核领取和审核日志接口

- 新增 TenantReviewClaim 和 TenantAuditLog 实体
- 新增 TenantAuditAction 枚举
- 新增审核领取相关接口：GET/POST /review/claim, /review/force-claim, /review/release
- 新增审核日志接口：GET /audits
- 更新 ITenantRepository 和 EfTenantRepository
- 更新 TakeoutAppDbContext 添加 DbSet

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/Infrastructure/TakeoutSaaS.Infrastructure/App/Persistence/TakeoutAppDbContext.cs

@@ -69,6 +69,14 @@ public class TakeoutAppDbContext(
     /// </summary>
     public DbSet<TenantPayment> TenantPayments => Set<TenantPayment>();
     /// <summary>
+    /// 租户审核领取记录。
+    /// </summary>
+    public DbSet<TenantReviewClaim> TenantReviewClaims => Set<TenantReviewClaim>();
+    /// <summary>
+    /// 租户审核日志。
+    /// </summary>
+    public DbSet<TenantAuditLog> TenantAuditLogs => Set<TenantAuditLog>();
+    /// <summary>
     /// 商户实体。
     /// </summary>
     public DbSet<Merchant> Merchants => Set<Merchant>();

src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantRepository.cs

@@ -236,4 +236,54 @@ public sealed class EfTenantRepository(TakeoutAdminDbContext context) : ITenantR
         // 1. 保存变更
         return context.SaveChangesAsync(cancellationToken);
     }
+
+    /// <inheritdoc />
+    public Task<TenantReviewClaim?> GetActiveReviewClaimAsync(long tenantId, CancellationToken cancellationToken = default)
+    {
+        // 1. 查询当前有效的审核领取记录（未释放的）
+        return context.TenantReviewClaims
+            .Where(c => c.TenantId == tenantId && c.ReleasedAt == null && c.DeletedAt == null)
+            .OrderByDescending(c => c.ClaimedAt)
+            .FirstOrDefaultAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public async Task AddReviewClaimAsync(TenantReviewClaim claim, CancellationToken cancellationToken = default)
+    {
+        // 1. 新增审核领取记录
+        await context.TenantReviewClaims.AddAsync(claim, cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public async Task AddAuditLogAsync(TenantAuditLog auditLog, CancellationToken cancellationToken = default)
+    {
+        // 1. 新增审核日志
+        await context.TenantAuditLogs.AddAsync(auditLog, cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public async Task<(IReadOnlyList<TenantAuditLog> Items, int TotalCount)> GetAuditLogsAsync(
+        long tenantId,
+        int page,
+        int pageSize,
+        CancellationToken cancellationToken = default)
+    {
+        // 1. 构建基础查询
+        var query = context.TenantAuditLogs
+            .AsNoTracking()
+            .Where(a => a.TenantId == tenantId && a.DeletedAt == null);
+
+        // 2. 获取总数
+        var totalCount = await query.CountAsync(cancellationToken);
+
+        // 3. 分页查询（按创建时间倒序）
+        var items = await query
+            .OrderByDescending(a => a.CreatedAt)
+            .Skip((page - 1) * pageSize)
+            .Take(pageSize)
+            .ToListAsync(cancellationToken);
+
+        // 4. 返回结果
+        return (items, totalCount);
+    }
 }