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/MultiSimAdminApp.swift

@@ -7,13 +7,21 @@ struct MultiSimAdminApp: App {
 
   init() {
     let arguments = ProcessInfo.processInfo.arguments
+    var initial: AppTab = .fleet
     if arguments.contains("--tab-messages") {
-      _tab = State(initialValue: .messages)
+      initial = .messages
     } else if arguments.contains("--tab-settings") {
-      _tab = State(initialValue: .settings)
-    } else {
-      _tab = State(initialValue: .fleet)
+      initial = .settings
     }
+    #if DEBUG
+      if arguments.contains("--tab-detail") {
+        initial = .debugDetail
+      }
+      if arguments.contains("--tab-logs") {
+        initial = .debugLogs
+      }
+    #endif
+    _tab = State(initialValue: initial)
   }
 
   var body: some Scene {
@@ -26,6 +34,12 @@ struct MultiSimAdminApp: App {
           NavigationStack { MessagesView().aiInlineTitle() }
         case .settings:
           NavigationStack { SettingsView().aiInlineTitle() }
+        #if DEBUG
+        case .debugDetail:
+          NavigationStack { DebugDetailView().aiInlineTitle() }
+        case .debugLogs:
+          NavigationStack { LogsView().aiInlineTitle() }
+        #endif
         }
       }
       .safeAreaInset(edge: .bottom, spacing: 0) {
@@ -57,8 +71,40 @@ enum AppTab: Hashable {
   case fleet
   case messages
   case settings
+  #if DEBUG
+    case debugDetail
+    case debugLogs
+  #endif
 }
 
+#if DEBUG
+  /// 本地截图验证用的入口，Release 构建不包含。
+  struct DebugDetailView: View {
+    @State private var target: (Instance, String?)?
+
+    var body: some View {
+      Group {
+        if let (instance, groupName) = target {
+          InstanceDetailView(instance: instance, groupName: groupName)
+        } else {
+          ProgressView()
+            .frame(maxWidth: .infinity, maxHeight: .infinity)
+        }
+      }
+      .task {
+        let repository = FileInstanceRepository(location: DefaultContainer.documentFileURL("instances.json"))
+        let groups = FileInstanceGroupStore(location: DefaultContainer.documentFileURL("instance-groups.json"))
+        guard let listed = try? await repository.list(InstanceQuery()), listed.isEmpty == false else { return }
+        // 截图验证优先看可达节点（3000），否则详情页全是空态，看不出真实排版。
+        let instance =
+          listed.first { $0.origin.port == 3000 } ?? listed[0]
+        let name = (try? await groups.list())?.first { $0.id == instance.groupId }?.name
+        target = (instance, name)
+      }
+    }
+  }
+#endif
+
 struct AITabBar: View {
   @Binding var selection: AppTab