release(ios): 发布 0.2.1 并重构图标与界面细节

- 应用图标改用与 Web favicon 同源的扁平标记，金色 SIM 卡体加三格递增信号，29pt 下仍可读
- 标签统一为胶囊形状，提高深色主题下的描边权重，避免标签在暗色下消失
- 消息卡片与详情分区卡片收紧行距，单屏信息密度明显提升
- 详情头部指标精简为 4 行，数据模块改为单条读数
- 批量选择勾选框移出名称区域，工具栏控件统一为等高 34pt
- 分组编辑器改为点选即生效，移除说明文字与常驻禁用按钮

apps/ios/Sources/MultiSimAdmin/Features/Settings/SettingsView.swift

@@ -20,8 +20,8 @@ struct SettingsView: View {
           AIStatusBanner(notice, tint: AITheme.success, systemImage: "checkmark.circle")
         }
 
-        runtimeCard
         themeCard
+        runtimeCard
         storageCard
         securityCard
         dangerZoneCard
@@ -33,11 +33,7 @@ struct SettingsView: View {
     .navigationTitle("设置")
     .toolbar {
       ToolbarItemGroup(placement: .primaryAction) {
-        AIToolbarButton(
-          "刷新",
-          systemImage: "arrow.clockwise",
-          kind: .primary
-        ) {
+        AIIconButton("刷新", systemImage: "arrow.clockwise") {
           Task { await model.refresh() }
         }
         .disabled(model.isLoading)
@@ -67,7 +63,7 @@ struct SettingsView: View {
         AISectionTitle("应用信息", systemImage: "info.circle")
         if let runtime = model.runtime {
           AIKeyValueRow("版本", value: "\(runtime.marketingVersion) (\(runtime.buildVersion))")
-          AIKeyValueRow("设备", value: runtime.deviceModel)
+          AIKeyValueRow("系统", value: runtime.systemVersion)
         } else {
           Text("正在读取应用信息…")
             .font(.subheadline)
@@ -80,19 +76,51 @@ struct SettingsView: View {
   private var themeCard: some View {
     AICard {
       VStack(alignment: .leading, spacing: 12) {
-        AISectionTitle("外观", systemImage: "circle.lefthalf.filled", detail: themeStore.mode.label)
-        AISegmentedControl(
-          "主题模式",
-          selection: Binding(
-            get: { themeStore.mode },
-            set: { themeStore.set($0) }
-          ),
-          options: ThemeMode.allCases.map { (value: $0, title: $0.label) }
-        )
+        // 三个选项块本身已经标出当前模式，标题右侧再重复一次是冗余信息。
+        AISectionTitle("主题外观", systemImage: "circle.lefthalf.filled")
+        Grid(alignment: .leading, horizontalSpacing: 8, verticalSpacing: 8) {
+          GridRow {
+            ForEach(ThemeMode.allCases) { mode in
+              themeOption(mode)
+            }
+          }
+        }
       }
     }
   }
 
+  private func themeOption(_ mode: ThemeMode) -> some View {
+    let isSelected = themeStore.mode == mode
+
+    return Button {
+      themeStore.set(mode)
+    } label: {
+      VStack(spacing: 7) {
+        Image(systemName: mode.systemImage)
+          .font(.system(size: 18, weight: .semibold))
+          .foregroundStyle(isSelected ? AITheme.primary : AITheme.muted)
+          .accessibilityHidden(true)
+        Text(mode.label)
+          .font(.caption.weight(isSelected ? .semibold : .medium))
+          .foregroundStyle(isSelected ? AITheme.ink : AITheme.muted)
+          .lineLimit(1)
+          .minimumScaleFactor(0.8)
+      }
+      .frame(maxWidth: .infinity, minHeight: 68)
+      .background(isSelected ? AITheme.primary.opacity(0.10) : AITheme.control)
+      .clipShape(RoundedRectangle(cornerRadius: 14, style: .continuous))
+      .overlay {
+        RoundedRectangle(cornerRadius: 14, style: .continuous)
+          .strokeBorder(isSelected ? AITheme.primary.opacity(0.42) : AITheme.line)
+      }
+      .contentShape(RoundedRectangle(cornerRadius: 14, style: .continuous))
+    }
+    .buttonStyle(.plain)
+    .accessibilityLabel("主题：\(mode.label)")
+    .accessibilityAddTraits(isSelected ? [.isSelected, .isButton] : .isButton)
+  }
+
+
   private var storageCard: some View {
     AICard {
       NavigationLink {
@@ -107,8 +135,7 @@ struct SettingsView: View {
               .foregroundStyle(AITheme.muted)
               .accessibilityHidden(true)
           }
-          AIKeyValueRow("数据位置", value: "仅保存在本机设备")
-          AIKeyValueRow("当前占用", value: model.storageLabel)
+          AIKeyValueRow("日志记录", value: model.storageLabel)
         }
       }
       .buttonStyle(.plain)
@@ -120,14 +147,21 @@ struct SettingsView: View {
     AICard {
       VStack(alignment: .leading, spacing: 12) {
         AISectionTitle("隐私与数据", systemImage: "lock.shield")
-        AIKeyValueRow("节点信息", value: "仅保存在本机设备")
-        AIKeyValueRow("实例密码", value: "保存在本地数据文件中")
-        AIKeyValueRow("登录会话", value: "应用关闭后自动清除")
-        AIStatusBanner(
-          "节点地址、实例密码和运行数据都保存在本机。应用只连接你添加的节点，登录会话关闭应用后即被清除。",
-          tint: AITheme.primary,
-          systemImage: "shield.checkered"
-        )
+        AIKeyValueRow("节点与凭据", value: "仅写入本机存储")
+        AIKeyValueRow("网络请求", value: "只访问你添加的节点")
+        // 卡内再套一个描边框会变成"卡中卡"，这里退成一段脚注。
+        HStack(alignment: .top, spacing: 7) {
+          Image(systemName: "checkmark.seal")
+            .font(.system(size: 12, weight: .semibold))
+            .foregroundStyle(AITheme.success)
+            .padding(.top, 2)
+            .accessibilityHidden(true)
+          Text("不经过中转服务器，也不上传遥测数据；节点地址、密码与日志只保存在这台 iPhone 上，删除应用即彻底清除。")
+            .font(.caption)
+            .foregroundStyle(AITheme.muted)
+            .fixedSize(horizontal: false, vertical: true)
+        }
+        .padding(.top, 2)
       }
     }
   }
@@ -136,12 +170,35 @@ struct SettingsView: View {
     AICard {
       VStack(alignment: .leading, spacing: 12) {
         AISectionTitle("数据清理", systemImage: "trash.square", detail: "不可恢复")
+        // 整块实心红是这页最大的色块，会把"读设置"的视线抢走；退成一行危险色入口。
         Button {
           showsClearDialog = true
         } label: {
-          Label("清除运行日志", systemImage: "trash")
+          HStack(spacing: 8) {
+            Image(systemName: "trash")
+              .font(.system(size: 14, weight: .semibold))
+              .accessibilityHidden(true)
+            Text("清除运行日志")
+              .font(.subheadline.weight(.semibold))
+            Spacer(minLength: 8)
+            Image(systemName: "chevron.right")
+              .font(.footnote.weight(.semibold))
+              .opacity(0.7)
+              .accessibilityHidden(true)
+          }
+          .foregroundStyle(AITheme.danger)
+          .padding(.horizontal, 12)
+          .frame(minHeight: AITheme.compactControlHeight)
+          .frame(maxWidth: .infinity, alignment: .leading)
+          .background(AITheme.danger.opacity(0.07))
+          .clipShape(RoundedRectangle(cornerRadius: AITheme.inputRadius, style: .continuous))
+          .overlay {
+            RoundedRectangle(cornerRadius: AITheme.inputRadius, style: .continuous)
+              .strokeBorder(AITheme.danger.opacity(0.20))
+          }
+          .contentShape(RoundedRectangle(cornerRadius: AITheme.inputRadius, style: .continuous))
         }
-        .buttonStyle(AIButtonStyle(kind: .danger, size: .regular, fillsWidth: true))
+        .buttonStyle(.plain)
       }
     }
   }

apps/ios/Sources/MultiSimAdmin/Features/Settings/SettingsViewModel.swift

@@ -1,12 +1,14 @@
 import Foundation
-import Darwin
+#if canImport(UIKit)
+  import UIKit
+#endif
 
 struct SettingsRuntime: Equatable {
     let appName: String
     let marketingVersion: String
     let buildVersion: String
     let platform: String
-    let deviceModel: String
+    let systemVersion: String
 }
 
 @MainActor
@@ -32,7 +34,7 @@ final class SettingsViewModel: ObservableObject {
             marketingVersion: AppMetadata.marketingVersion,
             buildVersion: AppMetadata.buildVersion,
             platform: "iOS",
-            deviceModel: Self.deviceModel()
+            systemVersion: Self.systemVersion()
         )
         await loadStorageLabel()
 
@@ -64,14 +66,14 @@ final class SettingsViewModel: ObservableObject {
         }
     }
 
-    private static func deviceModel() -> String {
-        var systemInfo = utsname()
-        guard uname(&systemInfo) == 0 else { return "未知设备" }
-        let bytes = withUnsafeBytes(of: systemInfo.machine) { Data($0) }
-        let model = String(
-            decoding: bytes.prefix { $0 != 0 },
-            as: UTF8.self
-        )
-        return model.isEmpty ? "未知设备" : model
+    /// 只报对用户有意义的系统版本，不暴露机器标识之类的原始信息。
+    private static func systemVersion() -> String {
+        #if canImport(UIKit)
+          let device = UIDevice.current
+          return "\(device.systemName) \(device.systemVersion)"
+        #else
+          let version = ProcessInfo.processInfo.operatingSystemVersion
+          return "iOS \(version.majorVersion).\(version.minorVersion)"
+        #endif
     }
 }