feat(data): add WaitingForReview status and review_feedback column

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

src/ClaudeDo.Data/Models/TaskEntity.cs

@@ -5,6 +5,7 @@ public enum TaskStatus
     Idle,
     Queued,
     Running,
+    WaitingForReview,
     Done,
     Failed,
     Cancelled,
@@ -28,6 +29,7 @@ public sealed class TaskEntity
     public string? BlockedByTaskId { get; set; }
     public DateTime? ScheduledFor { get; set; }
     public string? Result { get; set; }
+    public string? ReviewFeedback { get; set; }
     public string? LogPath { get; set; }
     public required DateTime CreatedAt { get; init; }
     public DateTime? StartedAt { get; set; }