完善素材管理 UI 交互并修复列表解析与时间选择。

MaterialItem 兼容 Android 缺失字段默认值，优化素材详情/列表/标签布局与上下架开关交互，修复个人空间时间选择器初始值。

Co-authored-by: Cursor <cursoragent@cursor.com>

suixinkan/Features/MaterialManagement/Models/MaterialManagementModels.swift

@@ -121,6 +121,22 @@ struct MaterialItem: Decodable, Sendable, Equatable, Hashable, Identifiable {
         self.projectName = projectName
         self.listingStatus = listingStatus
     }
+
+    init(from decoder: Decoder) throws {
+        let container = try decoder.container(keyedBy: CodingKeys.self)
+        id = try container.decodeIfPresent(Int.self, forKey: .id) ?? 0
+        name = try container.decodeIfPresent(String.self, forKey: .name) ?? ""
+        coverUrl = try container.decodeIfPresent(String.self, forKey: .coverUrl) ?? ""
+        createdAt = try container.decodeIfPresent(String.self, forKey: .createdAt) ?? ""
+        status = try container.decodeIfPresent(Int.self, forKey: .status) ?? 0
+        downloadCount = try container.decodeIfPresent(Int.self, forKey: .downloadCount) ?? 0
+        likesCount = try container.decodeIfPresent(Int.self, forKey: .likesCount) ?? 0
+        collectCount = try container.decodeIfPresent(Int.self, forKey: .collectCount) ?? 0
+        shareCount = try container.decodeIfPresent(Int.self, forKey: .shareCount) ?? 0
+        scenicSpotName = try container.decodeIfPresent(String.self, forKey: .scenicSpotName) ?? ""
+        projectName = try container.decodeIfPresent(String.self, forKey: .projectName) ?? ""
+        listingStatus = try container.decodeIfPresent(Int.self, forKey: .listingStatus) ?? 0
+    }
 }
 
 /// 素材列表响应，对齐 Android `MaterialListResponse`。