Sync migrated iOS modules

suixinkan/Core/Design/AppDesign.swift

@@ -13,6 +13,9 @@ enum AppDesign {
     static let primarySoft = Color(hex: 0xEFF6FF)
     static let textPrimary = Color(hex: 0x1F2937)
     static let textSecondary = Color(hex: 0x6B7280)
+    static let placeholder = Color(hex: 0xA8B2C1)
+    static let success = Color(hex: 0x14964A)
+    static let warning = Color(hex: 0xFF7B00)
 }
 
 extension Color {
@@ -27,3 +30,16 @@ extension Color {
         )
     }
 }
+
+extension View {
+    /// 应用通用输入框背景、圆角和描边样式。
+    func appInputFieldStyle(cornerRadius: CGFloat, minHeight: CGFloat) -> some View {
+        padding(.horizontal, AppMetrics.Spacing.medium)
+            .frame(minHeight: minHeight)
+            .background(Color(hex: 0xF8FAFC), in: RoundedRectangle(cornerRadius: cornerRadius))
+            .overlay {
+                RoundedRectangle(cornerRadius: cornerRadius)
+                    .stroke(Color(hex: 0xE2E8F0), lineWidth: 1)
+            }
+    }
+}

suixinkan/Core/Networking/ListPayload.swift

@@ -32,6 +32,34 @@ struct ListPayload<T: Decodable>: Decodable {
     }
 }
 
+/// 数据列表响应实体，表示后端常见的 total + data 分页结构，并兼容 list 字段。
+struct DataListPayload<T: Decodable>: Decodable {
+    let total: Int
+    let data: [T]
+
+    /// 数据列表响应的 JSON 字段映射。
+    enum CodingKeys: String, CodingKey {
+        case total
+        case data
+        case list
+    }
+
+    /// 创建数据列表响应，主要用于测试和本地兜底数据。
+    init(total: Int, data: [T]) {
+        self.total = total
+        self.data = data
+    }
+
+    /// 自定义解码，兼容 data/list 字段和 total 字符串。
+    init(from decoder: Decoder) throws {
+        let container = try decoder.container(keyedBy: CodingKeys.self)
+        total = try container.decodeLossyInt(forKey: .total) ?? 0
+        data = try container.decodeIfPresent([T].self, forKey: .data)
+            ?? container.decodeIfPresent([T].self, forKey: .list)
+            ?? []
+    }
+}
+
 private extension KeyedDecodingContainer {
     /// 将 Int、Double 或数字字符串宽松解码为整数。
     func decodeLossyInt(forKey key: Key) throws -> Int? {