初始化

FutureMailAPI/Models/SentMail.cs

@@ -28,6 +28,9 @@ namespace FutureMailAPI.Models
         // 发送时间
         public DateTime SentAt { get; set; } = DateTime.UtcNow;
         
+        // 创建时间
+        public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+        
         // 投递时间
         [Required]
         public DateTime DeliveryTime { get; set; }
@@ -61,5 +64,7 @@ namespace FutureMailAPI.Models
         public virtual User Sender { get; set; } = null!;
         
         public virtual User? Recipient { get; set; }
+        
+        public virtual TimeCapsule? TimeCapsule { get; set; }
     }
 }

FutureMailAPI/Models/TimeCapsule.cs

@@ -32,6 +32,13 @@ namespace FutureMailAPI.Models
         // 胶囊旋转角度
         public double Rotation { get; set; } = 0;
         
+        // 胶囊样式/皮肤
+        [MaxLength(50)]
+        public string? Style { get; set; }
+        
+        // 发光强度
+        public double GlowIntensity { get; set; } = 0.8;
+        
         // 胶囊状态: 0-未激活, 1-漂浮中, 2-即将到达, 3-已开启
         [Required]
         public int Status { get; set; } = 0;